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Ramirez CA, Becker-Hapak M, Singhal K, Russler-Germain DA, Frenkel F, Barnell EK, McClain ED, Desai S, Schappe T, Onyeador OC, Kudryashova O, Belousov V, Bagaev A, Ocheredko E, Kiwala S, Hundal J, Skidmore ZL, Watkins MP, Mooney TB, Walker JR, Krysiak K, Gomez F, Fronick CC, Fulton RS, Schreiber RD, Mehta-Shah N, Cashen AF, Kahl BS, Ataullakhanov R, Bartlett NL, Griffith M, Griffith OL, Fehniger TA. Neoantigen landscape supports feasibility of personalized cancer vaccine for follicular lymphoma. Blood Adv 2024; 8:4035-4049. [PMID: 38713894 DOI: 10.1182/bloodadvances.2022007792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 04/18/2024] [Accepted: 04/23/2024] [Indexed: 05/09/2024] Open
Abstract
ABSTRACT Personalized cancer vaccines designed to target neoantigens represent a promising new treatment paradigm in oncology. In contrast to classical idiotype vaccines, we hypothesized that "polyvalent" vaccines could be engineered for the personalized treatment of follicular lymphoma (FL) using neoantigen discovery by combined whole-exome sequencing (WES) and RNA sequencing (RNA-seq). Fifty-eight tumor samples from 57 patients with FL underwent WES and RNA-seq. Somatic and B-cell clonotype neoantigens were predicted and filtered to identify high-quality neoantigens. B-cell clonality was determined by the alignment of B-cell receptor (BCR) CDR3 regions from RNA-seq data, grouping at the protein level, and comparison with the BCR repertoire from healthy individuals using RNA-seq data. An average of 52 somatic mutations per patient (range, 2-172) were identified, and ≥2 (median, 15) high-quality neoantigens were predicted for 56 of 58 FL samples. The predicted neoantigen peptides were composed of missense mutations (77%), indels (9%), gene fusions (3%), and BCR sequences (11%). Building off of these preclinical analyses, we initiated a pilot clinical trial using personalized neoantigen vaccination combined with PD-1 blockade in patients with relapsed or refractory FL (#NCT03121677). Synthetic long peptide vaccines targeting predicted high-quality neoantigens were successfully synthesized for and administered to all 4 patients enrolled. Initial results demonstrate feasibility, safety, and potential immunologic and clinical responses. Our study suggests that a genomics-driven personalized cancer vaccine strategy is feasible for patients with FL, and this may overcome prior challenges in the field. This trial was registered at www.ClinicalTrials.gov as #NCT03121677.
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Affiliation(s)
- Cody A Ramirez
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | | | - Kartik Singhal
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - David A Russler-Germain
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | | | - Erica K Barnell
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Ethan D McClain
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Sweta Desai
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Timothy Schappe
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | | | | | | | | | | | - Susanna Kiwala
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Jasreet Hundal
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Zachary L Skidmore
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Marcus P Watkins
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Thomas B Mooney
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Jason R Walker
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Kilannin Krysiak
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Felicia Gomez
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Catrina C Fronick
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Robert S Fulton
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Robert D Schreiber
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Neha Mehta-Shah
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Amanda F Cashen
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Brad S Kahl
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | | | - Nancy L Bartlett
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Malachi Griffith
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- Department of Genetics, Washington University School of Medicine, St. Louis, MO
| | - Obi L Griffith
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- Department of Genetics, Washington University School of Medicine, St. Louis, MO
| | - Todd A Fehniger
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
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2
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Qiu Z, Khalife J, Ethiraj P, Jaafar C, Lin AP, Holder KN, Ritter JP, Chiou L, Huelgas-Morales G, Aslam S, Zhang Z, Liu Z, Arya S, Gupta YK, Dahia PLM, Aguiar RC. IRF8-mutant B cell lymphoma evades immunity through a CD74-dependent deregulation of antigen processing and presentation in MHCII complexes. SCIENCE ADVANCES 2024; 10:eadk2091. [PMID: 38996030 PMCID: PMC11244530 DOI: 10.1126/sciadv.adk2091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 06/06/2024] [Indexed: 07/14/2024]
Abstract
The mechanism by which interferon regulatory factor 8 (IRF8) mutation contributes to lymphomagenesis is unknown. We modeled IRF8 variants in B cell lymphomas and found that they affected the expression of regulators of antigen presentation. Expression of IRF8 mutants in murine B cell lymphomas suppressed CD4, but not CD8, activation elicited by antigen presentation and downmodulated CD74 and human leukocyte antigen (HLA) DM, intracellular regulators of antigen peptide processing/loading in the major histocompatibility complex (MHC) II. Concordantly, mutant IRF8 bound less efficiently to the promoters of these genes. Mice harboring IRF8 mutant lymphomas displayed higher tumor burden and remodeling of the tumor microenvironment, typified by depletion of CD4, CD8, and natural killer cells, increase in regulatory T cells and T follicular helper cells. Deconvolution of bulk RNA sequencing data from IRF8-mutant human diffuse large B cell lymphoma (DLBCL) recapitulated part of the immune remodeling detected in mice. We concluded that IRF8 mutations contribute to DLBCL biology by facilitating immune escape.
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MESH Headings
- Interferon Regulatory Factors/genetics
- Interferon Regulatory Factors/metabolism
- Animals
- Antigen Presentation/immunology
- Antigen Presentation/genetics
- Humans
- Mice
- Mutation
- Histocompatibility Antigens Class II/genetics
- Histocompatibility Antigens Class II/immunology
- Histocompatibility Antigens Class II/metabolism
- Antigens, Differentiation, B-Lymphocyte/genetics
- Antigens, Differentiation, B-Lymphocyte/metabolism
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/immunology
- Tumor Microenvironment/immunology
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/immunology
- Lymphoma, Large B-Cell, Diffuse/pathology
- Cell Line, Tumor
- Tumor Escape/genetics
- Gene Expression Regulation, Neoplastic
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Affiliation(s)
- Zhijun Qiu
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Jihane Khalife
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Purushoth Ethiraj
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Carine Jaafar
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - An-Ping Lin
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Kenneth N. Holder
- Department of Pathology, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Jacob P. Ritter
- Department of Pathology, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Lilly Chiou
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Gabriela Huelgas-Morales
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Sadia Aslam
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Zhao Zhang
- Department of Molecular Medicine, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Zhijie Liu
- Department of Molecular Medicine, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Shailee Arya
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Yogesh K. Gupta
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Patricia L. M. Dahia
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Ricardo C.T. Aguiar
- Division of Hematology and Medical Oncology, Department of Medicine, Mays Cancer Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
- South Texas Veterans Health Care System, Audie Murphy VA Hospital, San Antonio, TX 78229, USA
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3
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Deng Q, Lakra P, Gou P, Yang H, Meydan C, Teater M, Chin C, Zhang W, Dinh T, Hussein U, Li X, Rojas E, Liu W, Reville PK, Kizhakeyil A, Barisic D, Parsons S, Wilson A, Henderson J, Scull B, Gurumurthy C, Vega F, Chadburn A, Cuglievan B, El-Mallawany NK, Allen C, Mason C, Melnick A, Green MR. SMARCA4 is a haploinsufficient B cell lymphoma tumor suppressor that fine-tunes centrocyte cell fate decisions. Cancer Cell 2024; 42:605-622.e11. [PMID: 38458188 PMCID: PMC11003852 DOI: 10.1016/j.ccell.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/30/2023] [Accepted: 02/14/2024] [Indexed: 03/10/2024]
Abstract
SMARCA4 encodes one of two mutually exclusive ATPase subunits in the BRG/BRM associated factor (BAF) complex that is recruited by transcription factors (TFs) to drive chromatin accessibility and transcriptional activation. SMARCA4 is among the most recurrently mutated genes in human cancer, including ∼30% of germinal center (GC)-derived Burkitt lymphomas. In mice, GC-specific Smarca4 haploinsufficiency cooperated with MYC over-expression to drive lymphomagenesis. Furthermore, monoallelic Smarca4 deletion drove GC hyperplasia with centroblast polarization via significantly increased rates of centrocyte recycling to the dark zone. Mechanistically, Smarca4 loss reduced the activity of TFs that are activated in centrocytes to drive GC-exit, including SPI1 (PU.1), IRF family, and NF-κB. Loss of activity for these factors phenocopied aberrant BCL6 activity within murine centrocytes and human Burkitt lymphoma cells. SMARCA4 therefore facilitates chromatin accessibility for TFs that shape centrocyte trajectories, and loss of fine-control of these programs biases toward centroblast cell-fate, GC hyperplasia and lymphoma.
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Affiliation(s)
- Qing Deng
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Priya Lakra
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Panhong Gou
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Haopeng Yang
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Cem Meydan
- Department of Medicine and Weill Cornell Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Matthew Teater
- Department of Medicine and Weill Cornell Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Christopher Chin
- Department of Medicine and Weill Cornell Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Wenchao Zhang
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Tommy Dinh
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Usama Hussein
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xubin Li
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Estela Rojas
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Weiguang Liu
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Patrick K Reville
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Atish Kizhakeyil
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Darko Barisic
- Department of Medicine and Weill Cornell Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Sydney Parsons
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ashley Wilson
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jared Henderson
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Brooks Scull
- Department of Pediatrics, Baylor College of Medicine, Texas Children's Cancer Center, Houston, TX, USA
| | | | - Francisco Vega
- Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Amy Chadburn
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Branko Cuglievan
- Department of Pediatrics, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Nader Kim El-Mallawany
- Department of Pediatrics, Baylor College of Medicine, Texas Children's Cancer Center, Houston, TX, USA
| | - Carl Allen
- Department of Pediatrics, Baylor College of Medicine, Texas Children's Cancer Center, Houston, TX, USA
| | - Christopher Mason
- Department of Medicine and Weill Cornell Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Ari Melnick
- Department of Medicine and Weill Cornell Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Michael R Green
- Department of Lymphoma & Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Genomic Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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4
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Krull JE, Wenzl K, Hopper MA, Manske MK, Sarangi V, Maurer MJ, Larson MC, Mondello P, Yang Z, Novak JP, Serres M, Whitaker KR, Villasboas Bisneto JC, Habermann TM, Witzig TE, Link BK, Rimsza LM, King RL, Ansell SM, Cerhan JR, Novak AJ. Follicular lymphoma B cells exhibit heterogeneous transcriptional states with associated somatic alterations and tumor microenvironments. Cell Rep Med 2024; 5:101443. [PMID: 38428430 PMCID: PMC10983045 DOI: 10.1016/j.xcrm.2024.101443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 08/14/2023] [Accepted: 02/05/2024] [Indexed: 03/03/2024]
Abstract
Follicular lymphoma (FL) is an indolent non-Hodgkin lymphoma of germinal center origin, which presents with significant biologic and clinical heterogeneity. Using RNA-seq on B cells sorted from 87 FL biopsies, combined with machine-learning approaches, we identify 3 transcriptional states that divide the biological ontology of FL B cells into inflamed, proliferative, and chromatin-modifying states, with relationship to prior GC B cell phenotypes. When integrated with whole-exome sequencing and immune profiling, we find that each state was associated with a combination of mutations in chromatin modifiers, copy-number alterations to TNFAIP3, and T follicular helper cells (Tfh) cell interactions, or primarily by a microenvironment rich in activated T cells. Altogether, these data define FL B cell transcriptional states across a large cohort of patients, contribute to our understanding of FL heterogeneity at the tumor cell level, and provide a foundation for guiding therapeutic intervention.
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Affiliation(s)
| | - Kerstin Wenzl
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | | | | | | | - Matthew J Maurer
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Melissa C Larson
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | | | - ZhiZhang Yang
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | | | | | | | | | | | | | - Brian K Link
- Division of Hematology, Oncology, and Blood & Marrow Transplantation, University of Iowa, Iowa City, IA, USA
| | - Lisa M Rimsza
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, AZ, USA
| | - Rebecca L King
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - James R Cerhan
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Anne J Novak
- Division of Hematology, Mayo Clinic, Rochester, MN, USA.
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5
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Kawaji‐Kanayama Y, Tsukamoto T, Nakano M, Tokuda Y, Nagata H, Mizuhara K, Katsuragawa‐Taminishi Y, Isa R, Fujino T, Matsumura‐Kimoto Y, Mizutani S, Shimura Y, Taniwaki M, Tashiro K, Kuroda J. miR-17-92 cluster-BTG2 axis regulates B-cell receptor signaling in mantle cell lymphoma. Cancer Sci 2024; 115:452-464. [PMID: 38050664 PMCID: PMC10859618 DOI: 10.1111/cas.16027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 10/04/2023] [Accepted: 11/03/2023] [Indexed: 12/06/2023] Open
Abstract
B-cell receptor (BCR) signaling is critically activated and stable for mantle cell lymphoma (MCL), but the underlying mechanism of the activated BCR signaling pathway is not clear. The pathogenic basis of miR-17-92 cluster remains unclear although the oncogenic microRNA (miRNA) miR-17-92 cluster is highly expressed in patients with MCL. We revealed that miR-17-92 cluster overexpression is partly dependent on SOX11 expression and chromatin acetylation of MIR17HG enhancer regions. Moreover, miR-17-92 cluster regulates not only cell proliferation but BCR signaling activation in MCL cell lines. To comprehensively identify miR-17-92 cluster target genes, we performed pulldown-seq, where target RNA of miRNA was captured using the biotinylated miRNA mimics and magnetic bead-coated streptavidin, and quantified using next-generation sequencing. The pulldown-seq identified novel miRNA target genes, including tumor suppressors such as BTG2 (miR-19b), CDKN2A (miR-17), SYNE1 (miR-20a), TET2 (miR-18, miR-19b, and miR-92a), TNFRSF10A (miR-92a), and TRAF3 (miR-17). Notably, the gene expression profile data of patients with MCL revealed that BTG2 expression was negatively associated with that of BCR signature genes, and low BTG2 expression was associated with poor overall survival. Moreover, BTG2 silencing in MCL cell lines significantly induced BCR signaling overactivation and cell proliferation. Our results suggest an oncogenic role of miR-17-92 cluster-activating BCR signaling throughout BTG2 deregulation in MCL. Furthermore, this may contribute to the prediction of the therapeutic efficacy and improved outcomes of MCL.
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Affiliation(s)
- Yuka Kawaji‐Kanayama
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Taku Tsukamoto
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Masakazu Nakano
- Department of Genomic Medical SciencesKyoto Prefectural University of MedicineKyotoJapan
| | - Yuichi Tokuda
- Department of Genomic Medical SciencesKyoto Prefectural University of MedicineKyotoJapan
| | - Hiroaki Nagata
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Kentaro Mizuhara
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Yoko Katsuragawa‐Taminishi
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Reiko Isa
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Takahiro Fujino
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Yayoi Matsumura‐Kimoto
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
- Department of HematologyJapan Community Health Care Organization, Kyoto Kuramaguchi Medical CenterKyotoJapan
| | - Shinsuke Mizutani
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Yuji Shimura
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
| | - Masafumi Taniwaki
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
- Department of HematologyAiseikai Yamashina HospitalKyotoJapan
- Center for Molecular Diagnostic and TherapeuticsKyoto Prefectural University of MedicineKyotoJapan
| | - Kei Tashiro
- Department of Genomic Medical SciencesKyoto Prefectural University of MedicineKyotoJapan
| | - Junya Kuroda
- Department of Medicine, Division of Hematology and OncologyKyoto Prefectural University of MedicineKyotoJapan
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6
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Koraboina CP, Maddipati VC, Annadurai N, Gurská S, Džubák P, Hajdúch M, Das V, Gundla R. Synthesis and Biological Evaluation of Oxindole Sulfonamide Derivatives as Bruton's Tyrosine Kinase Inhibitors. ChemMedChem 2024; 19:e202300511. [PMID: 37916435 DOI: 10.1002/cmdc.202300511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/26/2023] [Accepted: 11/01/2023] [Indexed: 11/03/2023]
Abstract
Bruton's tyrosine kinase (BTK) is a promising molecular target for several human B-cell-related autoimmune disorders, inflammation, and haematological malignancies. The pathogenic alterations in various cancer tissues depend on mutant BTK for cell proliferation and survival, and BTK is also overexpressed in a range of hematopoietic cells. Due to this, BTK is emerging as a potential drug target to treat various human diseases, and several reversible and irreversible inhibitors have been developed and are being developed. As a result, BTK inhibition, clinically validated as an anticancer treatment, is finding great interest in B-cell malignancies and solid tumours. This study focuses on the design and synthesis of new oxindole sulfonamide derivatives as promising inhibitors of BTK with negligible off-target effects. The most cytotoxic compounds with greater basicity were PID-4 (2.29±0.52 μM), PID-6 (9.37±2.47 μM), and PID-19 (2.64±0.88 μM). These compounds caused a selective inhibition of Burkitt's lymphoma RAMOS cells without significant cytotoxicity in non-BTK cancerous and non-cancerous cell lines. Further, PID-4 showed promising activity in inhibiting BTK and downstream signalling cascades. As a potent inhibitor of Burkitt's lymphoma cells, PID-4 is a promising lead for developing novel chemotherapeutics.
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Affiliation(s)
- Chandra Prakash Koraboina
- Department of Chemistry, School of Science, GITAM (Deemed to be University), Hyderabad, Telangana, 502 329, India
| | | | - Narendran Annadurai
- Institute of Molecular and Translational Medicine Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Hněvotínská 1333/5, 77900, Olomouc, Czech Republic
| | - Soňa Gurská
- Institute of Molecular and Translational Medicine Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Hněvotínská 1333/5, 77900, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Křížkovského 511/8, 77900, Olomouc, Czech Republic
| | - Petr Džubák
- Institute of Molecular and Translational Medicine Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Hněvotínská 1333/5, 77900, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Křížkovského 511/8, 77900, Olomouc, Czech Republic
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Hněvotínská 1333/5, 77900, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Křížkovského 511/8, 77900, Olomouc, Czech Republic
| | - Viswanath Das
- Institute of Molecular and Translational Medicine Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Hněvotínská 1333/5, 77900, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Křížkovského 511/8, 77900, Olomouc, Czech Republic
| | - Rambabu Gundla
- Department of Chemistry, School of Science, GITAM (Deemed to be University), Hyderabad, Telangana, 502 329, India
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7
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Rodriguez-Pinilla SM, Dojcinov S, Dotlic S, Gibson SE, Hartmann S, Klimkowska M, Sabattini E, Tousseyn TA, de Jong D, Hsi ED. Aggressive B-cell non-Hodgkin lymphomas: a report of the lymphoma workshop of the 20th meeting of the European Association for Haematopathology. Virchows Arch 2024; 484:15-29. [PMID: 37530792 PMCID: PMC10791773 DOI: 10.1007/s00428-023-03579-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/22/2023] [Accepted: 06/07/2023] [Indexed: 08/03/2023]
Abstract
Aggressive B-cell non-Hodgkin lymphomas are a heterogeneous group of diseases and our concepts are evolving as we learn more about their clinical, pathologic, molecular genetic features. Session IV of the 2020 EAHP Workshop covered aggressive, predominantly high-grade B-cell lymphomas, many that were difficult to classify. In this manuscript, we summarize the features of the submitted cases and highlight differential diagnostic difficulties. We specifically review issues related to high-grade B-cell lymphomas (HGBCLs) with MYC and BCL2 and/or BCL6 rearrangements including TdT expression in these cases, HGBCL, not otherwise specified, large B-cell lymphomas with IRF4 rearrangement, high-grade/large B-cell lymphomas with 11q aberration, Burkitt lymphoma, and pleomorphic mantle cell lymphoma. Since the workshop, the 5th edition of the WHO Classification for Haematolymphoid Tumours (WHO-HAEM5) and International Consensus Classification (ICC) 2022 were published. We endeavor to use the updated terminology.
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Affiliation(s)
| | - Stefan Dojcinov
- Department of Pathology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
| | - Snjezana Dotlic
- Department of Pathology and Cytology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Sarah E Gibson
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ, USA
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, Goethe University Frankfurt Am Main, Frankfurt Am Main, Germany
| | - Monika Klimkowska
- Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital, Stockholm, Sweden
| | - Elena Sabattini
- Haematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Thomas A Tousseyn
- Department of Imaging and Pathology, Translational Cell and Tissue Research Lab, KU Leuven, Leuven, Belgium
| | - Daphne de Jong
- Department of Pathology, Amsterdam UMC, Location VUMC, De Boelelaan 1117, 1081HV, Amsterdam, The Netherlands.
| | - Eric D Hsi
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
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8
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Betzler AC, Brunner C. The Role of the Transcriptional Coactivator BOB.1/OBF.1 in Adaptive Immunity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1459:53-77. [PMID: 39017839 DOI: 10.1007/978-3-031-62731-6_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
BOB.1/OBF.1 is a transcriptional coactivator involved in octamer-dependent transcription. Thereby, BOB.1/OBF.1 is involved in the transcriptional regulation of genes important for lymphocyte physiology. BOB.1/OBF.1-deficient mice reveal multiple B- and T-cell developmental defects. The most prominent defect of these mice is the complete absence of germinal centers (GCs) resulting in severely impaired T-cell-dependent immune responses. In humans, BOB.1/OBF.1 is associated with several autoimmune and inflammatory diseases but also linked to liquid and solid tumors. Although its role for B-cell development is relatively well understood, its exact role for the GC reaction and T-cell biology has long been unclear. Here, the contribution of BOB.1/OBF.1 for B-cell maturation is summarized, and recent findings regarding its function in GC B- as well as in various T-cell populations are discussed. Finally, a detailed perspective on how BOB.1/OBF.1 contributes to different pathologies is provided.
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Affiliation(s)
- Annika C Betzler
- Department of Oto-Rhino-Larnygology, Ulm University Medical Center, Ulm, Germany
- Core Facility Immune Monitoring, Ulm University, Ulm, Germany
| | - Cornelia Brunner
- Department of Oto-Rhino-Larnygology, Ulm University Medical Center, Ulm, Germany.
- Core Facility Immune Monitoring, Ulm University, Ulm, Germany.
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9
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Tkachenko A, Kupcova K, Havranek O. B-Cell Receptor Signaling and Beyond: The Role of Igα (CD79a)/Igβ (CD79b) in Normal and Malignant B Cells. Int J Mol Sci 2023; 25:10. [PMID: 38203179 PMCID: PMC10779339 DOI: 10.3390/ijms25010010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/11/2023] [Accepted: 12/11/2023] [Indexed: 01/12/2024] Open
Abstract
B-cell receptor (BCR) is a B cell hallmark surface complex regulating multiple cellular processes in normal as well as malignant B cells. Igα (CD79a)/Igβ (CD79b) are essential components of BCR that are indispensable for its functionality, signal initiation, and signal transduction. CD79a/CD79b-mediated BCR signaling is required for the survival of normal as well as malignant B cells via a wide signaling network. Recent studies identified the great complexity of this signaling network and revealed the emerging role of CD79a/CD79b in signal integration. In this review, we have focused on functional features of CD79a/CD79b, summarized signaling consequences of CD79a/CD79b post-translational modifications, and highlighted specifics of CD79a/CD79b interactions within BCR and related signaling cascades. We have reviewed the complex role of CD79a/CD79b in multiple aspects of normal B cell biology and how is the normal BCR signaling affected by lymphoid neoplasms associated CD79A/CD79B mutations. We have also summarized important unresolved questions and highlighted issues that remain to be explored for better understanding of CD79a/CD79b-mediated signal transduction and the eventual identification of additional therapeutically targetable BCR signaling vulnerabilities.
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Affiliation(s)
- Anton Tkachenko
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 252 50 Vestec, Czech Republic
| | - Kristyna Kupcova
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 252 50 Vestec, Czech Republic
- First Department of Internal Medicine–Hematology, General University Hospital and First Faculty of Medicine, Charles University, 128 08 Prague, Czech Republic
| | - Ondrej Havranek
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 252 50 Vestec, Czech Republic
- First Department of Internal Medicine–Hematology, General University Hospital and First Faculty of Medicine, Charles University, 128 08 Prague, Czech Republic
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10
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Grau M, López C, Martín-Subero JI, Beà S. Cytogenomics of B-cell non-Hodgkin lymphomas: The "old" meets the "new". Best Pract Res Clin Haematol 2023; 36:101513. [PMID: 38092483 DOI: 10.1016/j.beha.2023.101513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 12/18/2023]
Abstract
For the routine diagnosis of haematological neoplasms an integrative approach is used considering the morphology, and the immunophenotypic, and molecular features of the tumor sample, along with clinical information. The identification and characterization of recurrent chromosomal aberrations mainly detected by conventional and molecular cytogenetics in the tumor cells has a major impact on the classification of lymphoid neoplasms. Some of the B-cell non-Hodgkin lymphomas are characterized by particular chromosomal aberrations, highlighting the relevance of conventional and molecular cytogenetic studies in their diagnosis and prognosis. In the current genomics era, next generation sequencing provides relevant information as the mutational profiles of haematological malignancies, improving their classification and also the clinical management of the patients. In addition, other new technologies have emerged recently, such as the optical genome mapping, which can overcome some of the limitations of conventional and molecular cytogenetics and may become more widely used in the cytogenetic laboratories in the upcoming years. Moreover, epigenetic alterations may complement genetic changes for a deeper understanding of the pathogenesis underlying B-cell neoplasms and a more precise risk-based patient stratification. Overall, here we describe the current state of the genomic data integrating chromosomal rearrangements, copy number alterations, and somatic variants, as well as a succinct overview of epigenomic changes, which altogether constitute a comprehensive diagnostic approach in B-cell non-Hodgkin lymphomas.
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Affiliation(s)
- Marta Grau
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain
| | - Cristina López
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Universitat de Barcelona, Spain
| | - José Ignacio Martín-Subero
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Universitat de Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Sílvia Beà
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Universitat de Barcelona, Spain; Hematopathology Section, Pathology Department, Hospital Clínic Barcelona, Barcelona, Spain.
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11
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Ragusa D, Vagnarelli P. Contribution of histone variants to aneuploidy: a cancer perspective. Front Genet 2023; 14:1290903. [PMID: 38075697 PMCID: PMC10702394 DOI: 10.3389/fgene.2023.1290903] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/27/2023] [Indexed: 07/29/2024] Open
Abstract
Histone variants, which generally differ in few amino acid residues, can replace core histones (H1, H2A, H2B, and H3) to confer specific structural and functional features to regulate cellular functions. In addition to their role in DNA packaging, histones modulate key processes such as gene expression regulation and chromosome segregation, which are frequently dysregulated in cancer cells. During the years, histones variants have gained significant attention as gatekeepers of chromosome stability, raising interest in understanding how structural and functional alterations can contribute to tumourigenesis. Beside the well-established role of the histone H3 variant CENP-A in centromere specification and maintenance, a growing body of literature has described mutations, aberrant expression patterns and post-translational modifications of a variety of histone variants in several cancers, also coining the term "oncohistones." At the molecular level, mechanistic studies have been dissecting the biological mechanisms behind histones and missegregation events, with the potential to uncover novel clinically-relevant targets. In this review, we focus on the current understanding and highlight knowledge gaps of the contribution of histone variants to aneuploidy, and we have compiled a database (HistoPloidyDB) of histone gene alterations linked to aneuploidy in cancers of the The Cancer Genome Atlas project.
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Affiliation(s)
- Denise Ragusa
- College of Health, Medicine and Life Sciences, Department of Life Sciences, Brunel University London, London, United Kingdom
| | - Paola Vagnarelli
- College of Health, Medicine and Life Sciences, Department of Life Sciences, Brunel University London, London, United Kingdom
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12
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Espinoza Pereira KN, Shan J, Licht JD, Bennett RL. Histone mutations in cancer. Biochem Soc Trans 2023; 51:1749-1763. [PMID: 37721138 PMCID: PMC10657182 DOI: 10.1042/bst20210567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/19/2023]
Abstract
Genes encoding histone proteins are recurrently mutated in tumor samples, and these mutations may impact nucleosome stability, histone post-translational modification, or chromatin dynamics. The prevalence of histone mutations across diverse cancer types suggest that normal chromatin structure is a barrier to tumorigenesis. Oncohistone mutations disrupt chromatin structure and gene regulatory mechanisms, resulting in aberrant gene expression and the development of cancer phenotypes. Examples of oncohistones include the histone H3 K27M mutation found in pediatric brain cancers that blocks post-translational modification of the H3 N-terminal tail and the histone H2B E76K mutation found in some solid tumors that disrupts nucleosome stability. Oncohistones may comprise a limited fraction of the total histone pool yet cause global effects on chromatin structure and drive cancer phenotypes. Here, we survey histone mutations in cancer and review their function and role in tumorigenesis.
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Affiliation(s)
| | - Jixiu Shan
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, U.S.A
| | - Jonathan D. Licht
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, U.S.A
| | - Richard L. Bennett
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, U.S.A
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13
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Qiu Z, Khalife J, Lin AP, Ethiraj P, Jaafar C, Chiou L, Huelgas-Morales G, Aslam S, Arya S, Gupta YK, Dahia PLM, Aguiar RCT. IRF8-mutant B cell lymphoma evades immunity through a CD74-dependent deregulation of antigen processing and presentation in MHC CII complexes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.14.560755. [PMID: 37873241 PMCID: PMC10592808 DOI: 10.1101/2023.10.14.560755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
In diffuse large B-cell lymphoma (DLBCL), the transcription factor IRF8 is the target of a series of potentially oncogenic events, including, chromosomal translocation, focal amplification, and super-enhancer perturbations. IRF8 is also frequently mutant in DLBCL, but how these variants contribute to lymphomagenesis is unknown. We modeled IRF8 mutations in DLBCL and found that they did not meaningfully impact cell fitness. Instead, IRF8 mutants, mapping either to the DNA-binding domain (DBD) or c-terminal tail, displayed diminished transcription activity towards CIITA, a direct IRF8 target. In primary DLBCL, IRF8 mutations were mutually exclusive with mutations in genes involved in antigen presentation. Concordantly, expression of IRF8 mutants in murine B cell lymphomas uniformly suppressed CD4, but not CD8, activation elicited by antigen presentation. Unexpectedly, IRF8 mutation did not modify MHC CII expression on the cell surface, rather it downmodulated CD74 and HLA- DM, intracellular regulators of antigen peptide processing/loading in the MHC CII complex. These changes were functionally relevant as, in comparison to IRF8 WT, mice harboring IRF8 mutant lymphomas displayed a significantly higher tumor burden, in association with a substantial remodeling of the tumor microenvironment (TME), typified by depletion of CD4, CD8, Th1 and NK cells, and increase in T-regs and Tfh cells. Importantly, the clinical and immune phenotypes of IRF8-mutant lymphomas were rescued in vivo by ectopic expression of CD74. Deconvolution of bulk RNAseq data from primary human DLBCL recapitulated part of the immune remodeling detected in mice and pointed to depletion of dendritic cells as another feature of IRF8 mutant TME. We concluded that IRF8 mutations contribute to DLBCL biology by facilitating immune escape.
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14
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Yuan X, Yu T, Zhao J, Jiang H, Hao Y, Lei W, Liang Y, Li B, Qian W. Analysis of the genomic landscape of primary central nervous system lymphoma using whole-genome sequencing in Chinese patients. Front Med 2023; 17:889-906. [PMID: 37418076 DOI: 10.1007/s11684-023-0994-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 03/06/2023] [Indexed: 07/08/2023]
Abstract
Primary central nervous system lymphoma (PCNSL) is an uncommon non-Hodgkin's lymphoma with poor prognosis. This study aimed to depict the genetic landscape of Chinese PCNSLs. Whole-genome sequencing was performed on 68 newly diagnosed Chinese PCNSL samples, whose genomic characteristics and clinicopathologic features were also analyzed. Structural variations were identified in all patients with a mean of 349, which did not significantly influence prognosis. Copy loss occurred in all samples, while gains were detected in 77.9% of the samples. The high level of copy number variations was significantly associated with poor progression-free survival (PFS) and overall survival (OS). A total of 263 genes mutated in coding regions were identified, including 6 newly discovered genes (ROBO2, KMT2C, CXCR4, MYOM2, BCLAF1, and NRXN3) detected in ⩾ 10% of the cases. CD79B mutation was significantly associated with lower PFS, TMSB4X mutation and high expression of TMSB4X protein was associated with lower OS. A prognostic risk scoring system was also established for PCNSL, which included Karnofsky performance status and six mutated genes (BRD4, EBF1, BTG1, CCND3, STAG2, and TMSB4X). Collectively, this study comprehensively reveals the genomic landscape of newly diagnosed Chinese PCNSLs, thereby enriching the present understanding of the genetic mechanisms of PCNSL.
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Affiliation(s)
- Xianggui Yuan
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Teng Yu
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Jianzhi Zhao
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Huawei Jiang
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Yuanyuan Hao
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Wen Lei
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Yun Liang
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Baizhou Li
- Department of Pathology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China.
| | - Wenbin Qian
- Department of Hematology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China.
- National Clinical Research Center for Hematologic Diseases, the First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China.
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15
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Carreras J. The pathobiology of follicular lymphoma. J Clin Exp Hematop 2023; 63:152-163. [PMID: 37518274 PMCID: PMC10628832 DOI: 10.3960/jslrt.23014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/10/2023] [Accepted: 06/15/2023] [Indexed: 08/01/2023] Open
Abstract
Follicular lymphoma is one of the most frequent lymphomas. Histologically, it is characterized by a follicular (nodular) growth pattern of centrocytes and centroblasts; mixed with variable immune microenvironment cells. Clinically, it is characterized by diffuse lymphadenopathy, bone marrow involvement, and splenomegaly. It is biologically and clinically heterogeneous. In most patients it is indolent, but others have a more aggressive evolution with relapses; and transformation to diffuse large B-cell lymphoma. Tumorigenesis includes an asymptomatic preclinical phase in which premalignant B-lymphocytes with the t(14;18) chromosomal translocation acquire additional genetic alterations in the germinal centers, and clonal evolution occurs, although not all the cells progress to the tumor stage. This manuscript reviews the pathobiology and clinicopathological characteristics of follicular lymphoma. It includes a description of the physiology of the germinal center, the genetic alterations of BCL2 and BCL6, the mutational profile, the immune checkpoint, precision medicine, and highlights in the lymphoma classification. In addition, a comment and review on artificial intelligence and machine (deep) learning are made.
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Affiliation(s)
- Joaquim Carreras
- Department of Pathology, Tokai University, School of Medicine, Isehara, Kanagawa, Japan
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16
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Salaverria I, Weigert O, Quintanilla-Martinez L. The clinical and molecular taxonomy of t(14;18)-negative follicular lymphomas. Blood Adv 2023; 7:5258-5271. [PMID: 37561599 PMCID: PMC10500559 DOI: 10.1182/bloodadvances.2022009456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/11/2023] [Accepted: 08/09/2023] [Indexed: 08/12/2023] Open
Abstract
Follicular lymphoma (FL) is a neoplasm derived from germinal center B cells, composed of centrocytes and centroblasts, with at least a focal follicular growth pattern. The t(14;18) translocation together with epigenetic deregulation through recurrent genetic alterations are now recognized as the hallmark of FL. Nevertheless, FL is a heterogeneous disease, clinically, morphologically, and biologically. The existence of FL lacking the t(14;18) chromosomal alteration highlights the complex pathogenesis of FL, and indicates that there are alternative pathogenetic mechanisms that can induce a neoplasm with follicular center B-cell phenotype. Based on their clinical presentation, t(14;18)-negative FLs can be divided into 3 broad groups: nodal presentation, extranodal presentation, and those affecting predominantly children and young adults. Recent studies have shed some light into the genetic alterations of t(14;18)-negative FL. Within the group of t(14;18)-negative FL with nodal presentation, cases with STAT6 mutations are increasingly recognized as a distinctive molecular subgroup, often cooccurring with CREBBP and/or TNFRSF14 mutations. FL with BCL6 rearrangement shows clinicopathological similarities to its t(14;18)-positive counterpart. In contrast, t(14;18)-negative FL in extranodal sites is characterized mainly by TNFRSF14 mutations in the absence of chromatin modifying gene mutations. FL in children have a unique molecular landscape when compared with those in adults. Pediatric-type FL (PTFL) is characterized by MAP2K1, TNFRSF14, and/or IRF8 mutations, whereas large B-cell lymphoma with IRF4 rearrangement is now recognized as a distinct entity, different from PTFL. Ultimately, a better understanding of FL biology and heterogeneity should help to understand the clinical differences and help guide patient management and treatment decisions.
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Affiliation(s)
- Itziar Salaverria
- Institut d’Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - Oliver Weigert
- Laboratory for Experimental Leukemia and Lymphoma Research, Ludwig-Maximilians-University Hospital, Munich, Germany
- Department of Medicine III, Ludwig-Maximilians-University Hospital, Munich, Germany
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology and Comprehensive Cancer Center Tübingen, University Hospital Tübingen, Eberhard-Karls University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT “Image-guided and functionally Instructed Tumor therapies,” Eberhard-Karls University of Tübingen, Tübingen, Germany
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17
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Russler-Germain DA, Krysiak K, Ramirez C, Mosior M, Watkins MP, Gomez F, Skidmore ZL, Trani L, Gao F, Geyer S, Cashen AF, Mehta-Shah N, Kahl BS, Bartlett NL, Alderuccio JP, Lossos IS, Ondrejka SL, Hsi ED, Martin P, Leonard JP, Griffith M, Griffith OL, Fehniger TA. Mutations associated with progression in follicular lymphoma predict inferior outcomes at diagnosis: Alliance A151303. Blood Adv 2023; 7:5524-5539. [PMID: 37493986 PMCID: PMC10514406 DOI: 10.1182/bloodadvances.2023010779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/27/2023] Open
Abstract
Follicular lymphoma (FL) is clinically heterogeneous, with select patients tolerating extended watch-and-wait, whereas others require prompt treatment, suffer progression of disease within 24 months of treatment (POD24), and/or experience aggressive histologic transformation (t-FL). Because our understanding of the relationship between genetic alterations in FL and patient outcomes remains limited, we conducted a clinicogenomic analysis of 370 patients with FL or t-FL (from Cancer and Leukemia Group B/Alliance trials 50402/50701/50803, or real-world cohorts from Washington University School of Medicine, Cleveland Clinic, or University of Miami). FL subsets by grade, stage, watch-and-wait, or POD24 status did not differ by mutation burden, whereas mutation burden was significantly higher in relapsed/refractory (rel/ref) FL and t-FL than in newly diagnosed (dx) FL. Nonetheless, mutation burden in dx FL was not associated with frontline progression-free survival (PFS). CREBBP was the only gene more commonly mutated in FL than in t-FL yet mutated CREBBP was associated with shorter frontline PFS in FL. Mutations in 20 genes were more common in rel/ref FL or t-FL than in dx FL, including 6 significantly mutated genes (SMGs): STAT6, TP53, IGLL5, B2M, SOCS1, and MYD88. We defined a mutations associated with progression (MAP) signature as ≥2 mutations in these 7 genes (6 rel/ref FL or t-FL SMGs plus CREBBP). Patients with dx FL possessing a MAP signature had shorter frontline PFS, revealing a 7-gene set offering insight into FL progression risk potentially more generalizable than the m7-Follicular Lymphoma International Prognostic Index (m7-FLIPI), which had modest prognostic value in our cohort. Future studies are warranted to validate the poor prognosis associated with a MAP signature in dx FL, potentially facilitating novel trials specifically in this high-risk subset of patients.
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Affiliation(s)
- David A. Russler-Germain
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Kilannin Krysiak
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Cody Ramirez
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Matthew Mosior
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Marcus P. Watkins
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Felicia Gomez
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Zachary L. Skidmore
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Lee Trani
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Feng Gao
- Public Health Sciences Division, Department of Surgery, Washington University School of Medicine, St. Louis, MO
| | - Susan Geyer
- Alliance Statistics and Data Management Center, Mayo Clinic, Rochester, MN
| | - Amanda F. Cashen
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Neha Mehta-Shah
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Brad S. Kahl
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Nancy L. Bartlett
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Juan P. Alderuccio
- Division of Hematology, Sylvester Comprehensive Cancer Center, University of Miami School of Medicine, Miami, FL
| | - Izidore S. Lossos
- Division of Hematology, Sylvester Comprehensive Cancer Center, University of Miami School of Medicine, Miami, FL
| | - Sarah L. Ondrejka
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Eric D. Hsi
- Department of Pathology, Wake Forest Baptist Medical Center, Winston Salem, NC
| | - Peter Martin
- Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - John P. Leonard
- Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Malachi Griffith
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- Department of Genetics, Washington University School of Medicine, St. Louis, MO
| | - Obi L. Griffith
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- Department of Genetics, Washington University School of Medicine, St. Louis, MO
| | - Todd A. Fehniger
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
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18
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Singhal K, Watkins MP, Fehniger TA, Griffith M, Griffith OL, Kahl BS, Russler-Germain DA. Donor-Derived Follicular Lymphoma After Kidney Transplantation: A Case Report. JCO Precis Oncol 2023; 7:e2300177. [PMID: 37824796 DOI: 10.1200/po.23.00177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/11/2023] [Accepted: 08/22/2023] [Indexed: 10/14/2023] Open
Abstract
Donor-derived follicular lymphoma after kidney transplant revealed by genomic profiling.
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Affiliation(s)
- Kartik Singhal
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
| | - Marcus P Watkins
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
| | - Todd A Fehniger
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St Louis, MO
| | - Malachi Griffith
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St Louis, MO
| | - Obi L Griffith
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St Louis, MO
| | - Brad S Kahl
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
- Siteman Cancer Center, Washington University School of Medicine, St Louis, MO
| | - David A Russler-Germain
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St Louis, MO
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19
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Gao F, Liu H, Meng X, Liu J, Wang J, Yu J, Liu X, Liu X, Li L, Qiu L, Qian Z, Zhou S, Gong W, Meng B, Ren X, Golchehre Z, Chavoshzadeh Z, He J, Zhang H, Wang X. Integrative genomic and transcriptomic analysis reveals genetic alterations associated with the early progression of follicular lymphoma. Br J Haematol 2023; 202:1151-1164. [PMID: 37455019 DOI: 10.1111/bjh.18974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/25/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
Follicular lymphoma (FL), the most common indolent lymphoma, is a clinically and genetically heterogeneous disease. However, the prognostic value of driver gene mutations and copy number alterations has not been systematically assessed. Here, we analysed the clinical-biological features of 415 FL patients to identify variables associated with disease progression within 24 months of first-line therapy (POD24). Patients with B symptoms, elevated lactate dehydrogenase and β2-microglobulin levels, unfavourable baseline haemoglobin levels, advanced stage, and high-risk FL International Prognostic Index (FLIPI) scores had an increased risk of POD24, with FLIPI being the most important factor in logistic regression. HIST1H1D, identified as a driver mutation, was correlated with POD24. Gains of 6p22.2 (HIST1H1D) and 18q21.33 (BCL2) and loss of 1p36.13 (NBPF1) predicted POD24 independent of FLIPI. Gene expression profiling of FL samples showed that the POD24 cohort was significantly enriched in the inflammatory response (mediated by interferon and tumour necrosis factor), cell cycle regulation (transcription, replication and proliferation) sets and PI3K-AKT-mTOR signalling. This result was further validated with transcriptome-wide information provided by RNA-seq at single-cell resolution. Our study, performed on a large cohort of FL patients, highlights the importance of distinctive genetic alterations and gene expression relevant to disease diagnosis and early progression.
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Affiliation(s)
- Fenghua Gao
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Hengqi Liu
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Xiangrui Meng
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Jing Liu
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Jiesong Wang
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
- Department of Lymphoma & Head and Neck Oncology, College of Clinical Medicine for Oncology, Fujian Medical University, Fuzhou, China
| | - Jingwei Yu
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Xia Liu
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Xianming Liu
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Lanfang Li
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Lihua Qiu
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Zhengzi Qian
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Shiyong Zhou
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Wenchen Gong
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Bin Meng
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Xiubao Ren
- Department of Immunology/Biotherapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Zahra Golchehre
- Department of Medical Genetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Chavoshzadeh
- Department of Immunology/Allergy, Pediatric Infections Research Center, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jin He
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Huilai Zhang
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
| | - Xianhuo Wang
- Department of Lymphoma, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, the Sino-US Center for Lymphoma and Leukemia Research, Tianjin, China
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20
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Nagy Á, Bátai B, Kiss L, Gróf S, Király PA, Jóna Á, Demeter J, Sánta H, Bátai Á, Pettendi P, Szendrei T, Plander M, Körösmezey G, Alizadeh H, Kajtár B, Méhes G, Krenács L, Timár B, Csomor J, Tóth E, Schneider T, Mikala G, Matolcsy A, Alpár D, Masszi A, Bödör C. Parallel testing of liquid biopsy (ctDNA) and tissue biopsy samples reveals a higher frequency of EZH2 mutations in follicular lymphoma. J Intern Med 2023; 294:295-313. [PMID: 37259686 DOI: 10.1111/joim.13674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Recent genomic studies revealed enhancer of zeste homolog 2 (EZH2) gain-of-function mutations, representing novel therapeutic targets in follicular lymphoma (FL) in around one quarter of patients. However, these analyses relied on single-site tissue biopsies and did not investigate the spatial heterogeneity and temporal dynamics of these alterations. OBJECTIVES We aimed to perform a systematic analysis of EZH2 mutations using paired tissue (tumor biopsies [TB]) and liquid biopsies (LB) collected prior to treatment within the framework of a nationwide multicentric study. METHODS Pretreatment LB and TB samples were collected from 123 patients. Among these, 114 had paired TB and LB, with 39 patients characterized with paired diagnostic and relapse samples available. The EZH2 mutation status and allele burden were assessed using an in-house-designed, highly sensitive multiplex droplet digital PCR assay. RESULTS EZH2 mutation frequency was found to be 41.5% in the entire cohort. In patients with paired TB and LB samples, EZH2 mutations were identified in 37.8% of the patients with mutations exclusively found in 5.3% and 7.9% of TB and LB samples, respectively. EZH2 mutation status switch was documented in 35.9% of the patients with paired diagnostic and relapse samples. We also found that EZH2 wild-type clones may infiltrate the bone marrow more frequently compared to the EZH2 mutant ones. CONCLUSION The in-depth spatio-temporal analysis identified EZH2 mutations in a considerably higher proportion of patients than previously reported. This expands the subset of FL patients who most likely would benefit from EZH2 inhibitor therapy.
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Affiliation(s)
- Ákos Nagy
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Bence Bátai
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Laura Kiss
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Stefánia Gróf
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Péter Attila Király
- Hematology and Lymphoma Unit, National Institute of Oncology, Budapest, Hungary
| | - Ádám Jóna
- Department of Hematology, Faculty of Medicine, Medical School of Clinical Medicine, University of Debrecen, Debrecen, Hungary
| | - Judit Demeter
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Hermina Sánta
- Szent György Hospital of County Fejér, Székesfehérvár, Hungary
| | - Árpád Bátai
- Szent György Hospital of County Fejér, Székesfehérvár, Hungary
| | - Piroska Pettendi
- Hetényi Géza Hospital, Clinic of County Jász-Nagykun-Szolnok, Szolnok, Hungary
| | - Tamás Szendrei
- Markusovszky University Teaching Hospital, Szombathely, Hungary
| | - Márk Plander
- Markusovszky University Teaching Hospital, Szombathely, Hungary
| | - Gábor Körösmezey
- Department of Medicine, Military Hospital - Medical Centre, Hungarian Defence Forces, Budapest, Hungary
| | - Hussain Alizadeh
- 1st Department of Internal Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Béla Kajtár
- Department of Pathology, Medical School, Clinical Centre, University of Pécs, Pécs, Hungary
| | - Gábor Méhes
- Department of Pathology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - László Krenács
- Laboratory of Tumor Pathology and Molecular Diagnostics, Szeged, Hungary
| | - Botond Timár
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Judit Csomor
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Erika Tóth
- Department of Surgical and Molecular Pathology, National Institute of Oncology, Budapest, Hungary
| | - Tamás Schneider
- Hematology and Lymphoma Unit, National Institute of Oncology, Budapest, Hungary
| | - Gábor Mikala
- Department of Hematology and Stem Cell Transplantation, National Institute for Hematology and Infectious Diseases, South Pest Central Hospital, Budapest, Hungary
| | - András Matolcsy
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
- Department of Laboratory Medicine, Karolinska Institutet, Solna, Sweden
| | - Donát Alpár
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - András Masszi
- Hematology and Lymphoma Unit, National Institute of Oncology, Budapest, Hungary
| | - Csaba Bödör
- HCEMM-SE Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
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21
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Jeong R, Bulyk ML. Blood cell traits' GWAS loci colocalization with variation in PU.1 genomic occupancy prioritizes causal noncoding regulatory variants. CELL GENOMICS 2023; 3:100327. [PMID: 37492098 PMCID: PMC10363807 DOI: 10.1016/j.xgen.2023.100327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 02/10/2023] [Accepted: 04/25/2023] [Indexed: 07/27/2023]
Abstract
Genome-wide association studies (GWASs) have uncovered numerous trait-associated loci across the human genome, most of which are located in noncoding regions, making interpretation difficult. Moreover, causal variants are hard to statistically fine-map at many loci because of widespread linkage disequilibrium. To address this challenge, we present a strategy utilizing transcription factor (TF) binding quantitative trait loci (bQTLs) for colocalization analysis to identify trait associations likely mediated by TF occupancy variation and to pinpoint likely causal variants using motif scores. We applied this approach to PU.1 bQTLs in lymphoblastoid cell lines and blood cell trait GWAS data. Colocalization analysis revealed 69 blood cell trait GWAS loci putatively driven by PU.1 occupancy variation. We nominate PU.1 motif-altering variants as the likely shared causal variants at 51 loci. Such integration of TF bQTL data with other GWAS data may reveal transcriptional regulatory mechanisms and causal noncoding variants underlying additional complex traits.
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Affiliation(s)
- Raehoon Jeong
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Bioinformatics and Integrative Genomics Graduate Program, Harvard University, Cambridge, MA 02138, USA
| | - Martha L. Bulyk
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Bioinformatics and Integrative Genomics Graduate Program, Harvard University, Cambridge, MA 02138, USA
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
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22
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Shen Y, Luo Y, Liao P, Zuo Y, Jiang R. Role of the Voltage-Gated Proton Channel Hv1 in Nervous Systems. Neurosci Bull 2023; 39:1157-1172. [PMID: 37029856 PMCID: PMC10313628 DOI: 10.1007/s12264-023-01053-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 02/20/2023] [Indexed: 04/09/2023] Open
Abstract
Hv1 is the only voltage-gated proton-selective channel in mammalian cells. It contains a conserved voltage-sensor domain, shared by a large class of voltage-gated ion channels, but lacks a pore domain. Its primary role is to extrude protons from the cytoplasm upon pH reduction and membrane depolarization. The best-known function of Hv1 is the regulation of cytosolic pH and the nicotinamide adenine dinucleotide phosphate oxidase-dependent production of reactive oxygen species. Accumulating evidence indicates that Hv1 is expressed in nervous systems, in addition to immune cells and others. Here, we summarize the molecular properties, distribution, and physiological functions of Hv1 in the peripheral and central nervous systems. We describe the recently discovered functions of Hv1 in various neurological diseases, including brain or spinal cord injury, ischemic stroke, demyelinating diseases, and pain. We also summarize the current advances in the discovery and application of Hv1-targeted small molecules in neurological diseases. Finally, we discuss the current limitations of our understanding of Hv1 and suggest future research directions.
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Affiliation(s)
- Yu Shen
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Yuncheng Luo
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Ping Liao
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Yunxia Zuo
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Ruotian Jiang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610000, China.
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23
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Berta D, Girma M, Melku M, Adane T, Birke B, Yalew A. Role of RNA Splicing Mutations in Diffuse Large B Cell Lymphoma. Int J Gen Med 2023; 16:2469-2480. [PMID: 37342407 PMCID: PMC10278864 DOI: 10.2147/ijgm.s414106] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 06/08/2023] [Indexed: 06/22/2023] Open
Abstract
Ribonucleic acid splicing is a crucial process to create a mature mRNA molecule by removing introns and ligating exons. This is a highly regulated process, but any alteration in splicing factors, splicing sites, or auxiliary components affects the final products of the gene. In diffuse large B-cell lymphoma, splicing mutations such as mutant splice sites, aberrant alternative splicing, exon skipping, and intron retention are detected. The alteration affects tumor suppression, DNA repair, cell cycle, cell differentiation, cell proliferation, and apoptosis. As a result, malignant transformation, cancer progression, and metastasis occurred in B cells at the germinal center. B-cell lymphoma 7 protein family member A (BCL7A), cluster of differentiation 79B (CD79B), myeloid differentiation primary response gene 88 (MYD88), tumor protein P53 (TP53), signal transducer and activator of transcription (STAT), serum- and glucose-regulated kinase 1 (SGK1), Pou class 2 associating factor 1 (POU2AF1), and neurogenic locus notch homolog protein 1 (NOTCH) are the most common genes affected by splicing mutations in diffuse large B cell lymphoma.
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Affiliation(s)
- Dereje Berta
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Mekonnen Girma
- Department of Quality Assurance and Laboratory Management, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Mulugeta Melku
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
- College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Tiruneh Adane
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Bisrat Birke
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Aregawi Yalew
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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24
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Schroers-Martin JG, Soo J, Brisou G, Scherer F, Kurtz DM, Sworder BJ, Khodadoust MS, Jin MC, Bru A, Liu CL, Stehr H, Vineis P, Natkunam Y, Teras LR, Song JY, Nadel B, Diehn M, Roulland S, Alizadeh AA. Tracing Founder Mutations in Circulating and Tissue-Resident Follicular Lymphoma Precursors. Cancer Discov 2023; 13:1310-1323. [PMID: 36939219 PMCID: PMC10239329 DOI: 10.1158/2159-8290.cd-23-0111] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/11/2023] [Accepted: 03/15/2023] [Indexed: 03/21/2023]
Abstract
Follicular lymphomas (FL) are characterized by BCL2 translocations, often detectable in blood years before FL diagnosis, but also observed in aging healthy individuals, suggesting additional lesions are required for lymphomagenesis. We directly characterized early cooperating mutations by ultradeep sequencing of prediagnostic blood and tissue specimens from 48 subjects who ultimately developed FL. Strikingly, CREBBP lysine acetyltransferase (KAT) domain mutations were the most commonly observed precursor lesions, and largely distinguished patients developing FL (14/48, 29%) from healthy adults with or without detected BCL2 rearrangements (0/13, P = 0.03 and 0/20, P = 0.007, respectively). CREBBP variants were detectable a median of 5.8 years before FL diagnosis, were clonally selected in FL tumors, and appeared restricted to the committed B-cell lineage. These results suggest that mutations affecting the CREBBP KAT domain are common lesions in FL cancer precursor cells (CPC), with the potential for discriminating subjects at risk of developing FL or monitoring residual disease. SIGNIFICANCE Our study provides direct evidence for recurrent genetic aberrations preceding FL diagnosis, revealing the combination of BCL2 translocation with CREBBP KAT domain mutations as characteristic committed lesions of FL CPCs. Such prediagnostic mutations are detectable years before clinical diagnosis and may help discriminate individuals at risk for lymphoma development. This article is highlighted in the In This Issue feature, p. 1275.
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Affiliation(s)
- Joseph G. Schroers-Martin
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Joanne Soo
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Gabriel Brisou
- Aix-Marseille University, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy, Marseille, France
| | - Florian Scherer
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - David M. Kurtz
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Brian J. Sworder
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Michael S. Khodadoust
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Michael C. Jin
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Agnès Bru
- Aix-Marseille University, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy, Marseille, France
| | - Chih Long Liu
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Henning Stehr
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
| | - Paolo Vineis
- MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College, London, UK
| | - Yasodha Natkunam
- Department of Pathology, Stanford University Medical Center, Stanford, CA
| | | | - Joo Y. Song
- City of Hope Cancer Research Hospital, Duarte, CA
| | - Bertrand Nadel
- Aix-Marseille University, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy, Marseille, France
| | - Maximilian Diehn
- Department of Radiation Oncology, Stanford University Medical Center, Stanford, CA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California, USA
- Stanford Cancer Institute, Stanford University, Stanford, California, USA
| | - Sandrine Roulland
- Aix-Marseille University, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy, Marseille, France
| | - Ash A. Alizadeh
- Department of Medicine, Divisions of Hematology & Oncology, Stanford University Medical Center, Stanford, CA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California, USA
- Stanford Cancer Institute, Stanford University, Stanford, California, USA
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25
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Jeong R, Bulyk ML. Colocalization of blood cell traits GWAS associations and variation in PU.1 genomic occupancy prioritizes causal noncoding regulatory variants. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.29.534582. [PMID: 37034747 PMCID: PMC10081269 DOI: 10.1101/2023.03.29.534582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Genome-wide association studies (GWAS) have uncovered numerous trait-associated loci across the human genome, most of which are located in noncoding regions, making interpretations difficult. Moreover, causal variants are hard to statistically fine-map at many loci because of widespread linkage disequilibrium. To address this challenge, we present a strategy utilizing transcription factor (TF) binding quantitative trait loci (bQTLs) for colocalization analysis to identify trait associations likely mediated by TF occupancy variation and to pinpoint likely causal variants using motif scores. We applied this approach to PU.1 bQTLs in lymphoblastoid cell lines and blood cell traits GWAS data. Colocalization analysis revealed 69 blood cell trait GWAS loci putatively driven by PU.1 occupancy variation. We nominate PU.1 motif-altering variants as the likely shared causal variants at 51 loci. Such integration of TF bQTL data with other GWAS data may reveal transcriptional regulatory mechanisms and causal noncoding variants underlying additional complex traits.
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Affiliation(s)
- Raehoon Jeong
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Bioinformatics and Integrative Genomics Graduate Program, Harvard University, Cambridge, MA 02138, USA
| | - Martha L. Bulyk
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Bioinformatics and Integrative Genomics Graduate Program, Harvard University, Cambridge, MA 02138, USA
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
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26
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Bende RJ, Slot LM, Kwakkenbos MJ, Wormhoudt TA, Jongejan A, Verstappen GM, van Kampen AC, Guikema JE, Kroese FG, van Noesel CJ. Lymphoma-associated mutations in autoreactive memory B cells of patients with Sjögren's syndrome. J Pathol 2023; 259:264-275. [PMID: 36426826 PMCID: PMC10108009 DOI: 10.1002/path.6039] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/01/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
We recently demonstrated that normal memory B lymphocytes carry a substantial number of de novo mutations in the genome. Here, we performed exome-wide somatic mutation analyses of bona fide autoreactive rheumatoid factor (RF)-expressing memory B cells retrieved from patients with Sjӧgren's syndrome (SS). The amount and repertoire of the de novo exome mutations of RF B cells were found to be essentially different from those detected in healthy donor memory B cells. In contrast to the mutation spectra of normal B cells, which appeared random and non-selected, the mutations of the RF B cells were greater in number and enriched for mutations in genes also found mutated in B-cell non-Hodgkin lymphomas. During the study, one of the SS patients developed a diffuse large B-cell lymphoma (DLBCL) out of an RF clone that was identified 2 years earlier in an inflamed salivary gland biopsy. The successive oncogenic events in the RF precursor clone and the DLBCL were assessed. In conclusion, our findings of enhanced and selected genomic damage in growth-regulating genes in RF memory B cells of SS patients together with the documented transformation of an RF-precursor clone into DLBCL provide unique novel insight into the earliest stages of B-cell derailment and lymphomagenesis. © 2022 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Richard J Bende
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | - Linda M Slot
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | | | - Thera Am Wormhoudt
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | - Aldo Jongejan
- Bioinformatics Laboratory, Epidemiology & Data Science, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Gwenny M Verstappen
- Department of Rheumatology and Clinical Immunology, UMC Groningen, University of Groningen, Groningen, The Netherlands
| | - Antoine Cm van Kampen
- Bioinformatics Laboratory, Epidemiology & Data Science, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Biosystems Data analysis, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Jeroen Ej Guikema
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | - Frans Gm Kroese
- Department of Rheumatology and Clinical Immunology, UMC Groningen, University of Groningen, Groningen, The Netherlands
| | - Carel Jm van Noesel
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
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27
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Andrades A, Peinado P, Alvarez-Perez JC, Sanjuan-Hidalgo J, García DJ, Arenas AM, Matia-González AM, Medina PP. SWI/SNF complexes in hematological malignancies: biological implications and therapeutic opportunities. Mol Cancer 2023; 22:39. [PMID: 36810086 PMCID: PMC9942420 DOI: 10.1186/s12943-023-01736-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 01/30/2023] [Indexed: 02/23/2023] Open
Abstract
Hematological malignancies are a highly heterogeneous group of diseases with varied molecular and phenotypical characteristics. SWI/SNF (SWItch/Sucrose Non-Fermentable) chromatin remodeling complexes play significant roles in the regulation of gene expression, being essential for processes such as cell maintenance and differentiation in hematopoietic stem cells. Furthermore, alterations in SWI/SNF complex subunits, especially in ARID1A/1B/2, SMARCA2/4, and BCL7A, are highly recurrent across a wide variety of lymphoid and myeloid malignancies. Most genetic alterations cause a loss of function of the subunit, suggesting a tumor suppressor role. However, SWI/SNF subunits can also be required for tumor maintenance or even play an oncogenic role in certain disease contexts. The recurrent alterations of SWI/SNF subunits highlight not only the biological relevance of SWI/SNF complexes in hematological malignancies but also their clinical potential. In particular, increasing evidence has shown that mutations in SWI/SNF complex subunits confer resistance to several antineoplastic agents routinely used for the treatment of hematological malignancies. Furthermore, mutations in SWI/SNF subunits often create synthetic lethality relationships with other SWI/SNF or non-SWI/SNF proteins that could be exploited therapeutically. In conclusion, SWI/SNF complexes are recurrently altered in hematological malignancies and some SWI/SNF subunits may be essential for tumor maintenance. These alterations, as well as their synthetic lethal relationships with SWI/SNF and non-SWI/SNF proteins, may be pharmacologically exploited for the treatment of diverse hematological cancers.
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Affiliation(s)
- Alvaro Andrades
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Paola Peinado
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain ,grid.451388.30000 0004 1795 1830Present Address: The Francis Crick Institute, London, UK
| | - Juan Carlos Alvarez-Perez
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Juan Sanjuan-Hidalgo
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain
| | - Daniel J. García
- grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.4489.10000000121678994Department of Biochemistry and Molecular Biology III and Immunology, University of Granada, Granada, Spain
| | - Alberto M. Arenas
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Ana M. Matia-González
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Pedro P. Medina
- grid.4489.10000000121678994Department of Biochemistry and Molecular Biology I. Faculty of Sciences, University of Granada, Granada, Spain ,grid.470860.d0000 0004 4677 7069GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
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28
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Zhu Y, Wang Z, Li Y, Peng H, Liu J, Zhang J, Xiao X. The Role of CREBBP/EP300 and Its Therapeutic Implications in Hematological Malignancies. Cancers (Basel) 2023; 15:cancers15041219. [PMID: 36831561 PMCID: PMC9953837 DOI: 10.3390/cancers15041219] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/17/2023] Open
Abstract
Disordered histone acetylation has emerged as a key mechanism in promoting hematological malignancies. CREB-binding protein (CREBBP) and E1A-binding protein P300 (EP300) are two key acetyltransferases and transcriptional cofactors that regulate gene expression by regulating the acetylation levels of histone proteins and non-histone proteins. CREBBP/EP300 dysregulation and CREBBP/EP300-containing complexes are critical for the initiation, progression, and chemoresistance of hematological malignancies. CREBBP/EP300 also participate in tumor immune responses by regulating the differentiation and function of multiple immune cells. Currently, CREBBP/EP300 are attractive targets for drug development and are increasingly used as favorable tools in preclinical studies of hematological malignancies. In this review, we summarize the role of CREBBP/EP300 in normal hematopoiesis and highlight the pathogenic mechanisms of CREBBP/EP300 in hematological malignancies. Moreover, the research basis and potential future therapeutic implications of related inhibitors were also discussed from several aspects. This review represents an in-depth insight into the physiological and pathological significance of CREBBP/EP300 in hematology.
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Affiliation(s)
- Yu Zhu
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China
| | - Zi Wang
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China
| | - Yanan Li
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China
| | - Hongling Peng
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China
| | - Jing Liu
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China
| | - Ji Zhang
- The Affiliated Nanhua Hospital, Department of Clinical Laboratory, Hengyang Medical School, University of South China, Hengyang 421001, China
- Correspondence: (J.Z.); (X.X.); Tel.: +86-734-8279050 (J.Z.); +86-731-84805449 (X.X.)
| | - Xiaojuan Xiao
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China
- Correspondence: (J.Z.); (X.X.); Tel.: +86-734-8279050 (J.Z.); +86-731-84805449 (X.X.)
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29
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Gordon MJ, Smith MR, Nastoupil LJ. Follicular lymphoma: The long and winding road leading to your cure? Blood Rev 2023; 57:100992. [PMID: 35908982 DOI: 10.1016/j.blre.2022.100992] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/18/2022] [Accepted: 07/20/2022] [Indexed: 01/28/2023]
Abstract
Follicular lymphoma, the most common indolent lymphoma, though highly responsive to therapy is coupled with multiple relapses for the majority of patients. Advances in biologic understanding of molecular events in lymphoma cells and the tumor microenvironment, along with novel cellular and targeted therapies, suggest this may soon change. Here we first review the development of the molecular concepts and classification of follicular lymphoma, along with therapeutic development of treatments based on chemotherapy plus monoclonal antibodies targeting CD20. We then focus on developments over the last decade in further defining follicular lymphoma pathophysiology, leading to targeted therapeutics, as well as novel immunotherapeutic strategies effective against B cell lymphomas including follicular, particularly patients with advanced stage disease. Additional alterations beyond the hallmark t(14;18) translocation are necessary for development of follicular lymphoma. Epigenetic mutations are almost universally identified in follicular lymphoma, most commonly involving histone-lysine N-methyltransferase 2D (KMT2D, the histone acetyltransferases, cAMP response element-binding protein binding protein (CREBBP) and E1A binding protein P300 (EP300) and the histone methyltransferase enhancer of zeste homologue 2 (EZH2). Mutations are also commonly identified in other proliferation/survival pathways such as B-cell receptor, RAS, mTOR and JAK-STAT pathways, as well as immune escape mutations. The host immune response plays a key role as well, based on studies correlating various immune cell subsets and gene expression signatures with outcomes. Over the last decade, many therapeutic options beyond the commonly used bendamustine-rituximab induction regimen have become available or are being investigated. We focus on these newer agents in the relapsed setting. New antibody-based agents include the naked CD19 directed antibody tafasitamab, the CD79b directed antibody drug conjugate (ADC) polatuzumab vedotin and the CD47 directed antibody magrolimab that targets macrophages rather than FL cells directly. Immune modulation by lenalidomide has moved to earlier lines of therapy and in combinations. Several small molecule inhibitors of proliferation signal pathways involving PI3kinase and BTK have activity against FL. Apoptotic pathway modulators also have activity. With increasing recognition of the high rate of epigenetic mutations in FL, HDAC inhibition has a role. More importantly, the EZH2 inhibitor tazemetostat is FDA approved for FL after 2 prior lines of therapy. The most exciting data currently involve immune attack against follicular lymphoma by chimeric antigen receptor T-cells (CART) or bispecific antibody constructs. Given these multiple potentially non-crossreactive mechanisms, studies of rationally designed combination strategies hold the promise of improving outcomes and possibly cure of follicular lymphoma.
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Affiliation(s)
- Max J Gordon
- Dept. of Lymphoma & Myeloma, MD Anderson Cancer Center, Houston, TX, USA.
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30
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Perrett M, Edmondson C, Okosun J. Biology of follicular lymphoma: insights and windows of clinical opportunity. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2022; 2022:688-694. [PMID: 36485095 PMCID: PMC9820323 DOI: 10.1182/hematology.2022000361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Follicular lymphoma (FL) is a heterogeneous disease, both clinically and biologically. The biological behavior and development of FL is a culmination of complex multistep processes underpinned by genetic and nongenetic determinants. Epigenetic deregulation through recurrent genetic alterations is now a recognized major biological hallmark of FL, alongside the t(14;18) translocation. In parallel, there is a strong interplay between the lymphoma B cells and the immune microenvironment, with the microenvironment serving as a critical enabler by creating a tumor-supportive niche and modulating the immune response to favor survival of the malignant B cells. A further layer of complexity arises from the biological heterogeneity that occurs between patients and within an individual, both over the course of the disease and at different sites of disease involvement. Altogether, taking the first steps to bridge the understanding of these various biological components and how to evaluate these clinically may aid and inform future strategies, including logical therapeutic interventions, risk stratification, therapy selection, and disease monitoring.
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Affiliation(s)
- Megan Perrett
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Carina Edmondson
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Jessica Okosun
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
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31
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Crouch S, Painter D, Barrans SL, Roman E, Beer PA, Cooke SL, Glover P, Van Hoppe SJ, Webster N, Lacy SE, Ruiz C, Campbell PJ, Hodson DJ, Patmore R, Burton C, Smith A, Tooze RM. Molecular subclusters of follicular lymphoma: a report from the United Kingdom's Haematological Malignancy Research Network. Blood Adv 2022; 6:5716-5731. [PMID: 35363872 PMCID: PMC9619185 DOI: 10.1182/bloodadvances.2021005284] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 03/06/2022] [Indexed: 11/20/2022] Open
Abstract
Follicular lymphoma (FL) is morphologically and clinically diverse, with mutations in epigenetic regulators alongside t(14;18) identified as disease-initiating events. Identification of additional mutational entities confirms this cancer's heterogeneity, but whether mutational data can be resolved into mechanistically distinct subsets remains an open question. Targeted sequencing was applied to an unselected population-based FL cohort (n = 548) with full clinical follow-up (n = 538), which included 96 diffuse large B-cell lymphoma (DLBCL) transformations. We investigated whether molecular subclusters of FL can be identified and whether mutational data provide predictive information relating to transformation. DNA extracted from FL samples was sequenced with a 293-gene panel representing genes frequently mutated in DLBCL and FL. Three clusters were resolved using mutational data alone, independent of translocation status: FL_aSHM, with high burden of aberrant somatic hypermutation (aSHM) targets; FL_STAT6, with high STAT6 & CREBBP mutation and low aSHM; and FL_Com, with the absence of features of other subtypes and enriched KMT2D mutation. Analysis of mutation signatures demonstrated differential enrichment of predicted mutation signatures between subgroups and a dominant preference in the FL_aSHM subgroup for G(C>T)T and G(C>T)C transitions consistent with previously defined aSHM-like patterns. Of transformed cases with paired samples, 17 of 26 had evidence of branching evolution. Poorer overall survival (OS) in the aSHM group (P = .04) was associated with older age; however, overall tumor genetics provided limited information to predict individual patient risk. Our approach identifies 3 molecular subclusters of FL linked to differences in underlying mechanistic pathways. These clusters, which may be further resolved by the inclusion of translocation status and wider mutation profiles, have implications for understanding pathogenesis as well as improving treatment strategies in the future.
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Affiliation(s)
- Simon Crouch
- Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, United Kingdom
| | - Daniel Painter
- Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, United Kingdom
| | - Sharon L. Barrans
- Haematological Malignancy Diagnostic Service, St. James’s Institute of Oncology, Leeds, United Kingdom
| | - Eve Roman
- Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, United Kingdom
| | - Philip A. Beer
- Wellcome Trust Sanger Institute, Hinxton, Cambridge, United Kingdom
| | - Susanna L. Cooke
- Institute of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Paul Glover
- Haematological Malignancy Diagnostic Service, St. James’s Institute of Oncology, Leeds, United Kingdom
| | - Suzan J.L. Van Hoppe
- Haematological Malignancy Diagnostic Service, St. James’s Institute of Oncology, Leeds, United Kingdom
| | - Nichola Webster
- Haematological Malignancy Diagnostic Service, St. James’s Institute of Oncology, Leeds, United Kingdom
| | - Stuart E. Lacy
- Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, United Kingdom
| | - Camilo Ruiz
- Wellcome Trust Sanger Institute, Hinxton, Cambridge, United Kingdom
| | | | - Daniel J. Hodson
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Russell Patmore
- Queen’s Centre for Oncology and Haematology, Castle Hill Hospital, Cottingham, United Kingdom
| | - Cathy Burton
- Haematological Malignancy Diagnostic Service, St. James’s Institute of Oncology, Leeds, United Kingdom
| | - Alexandra Smith
- Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, United Kingdom
| | - Reuben M. Tooze
- Section of Experimental Haematology, Leeds Institute of Molecular Medicine, University of Leeds, Leeds, United Kingdom
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32
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Genetics of Transformed Follicular Lymphoma. HEMATO 2022. [DOI: 10.3390/hemato3040042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Histological transformation (HT) to a more aggressive disease–mostly diffuse large B-cell lymphoma–is considered one of the most dismal events in the clinical course of follicular lymphoma (FL). Current knowledge has not found a single biological event specific for HT, although different studies have highlighted common genetic alterations, such as TP53 and CDKN2A/B loss, and MYC translocations, among others. Together, they increase genomic complexity and mutational burden at HT. A better knowledge of HT pathogenesis would presumably help to find diagnostic biomarkers allowing the identification of patients at high-risk of transformation, as well as the discrimination from patients with FL recurrence, and those who remain in remission. This would also help to identify new drug targets and the design of clinical trials for the treatment of transformation. In the present review we provide a comprehensive overview of the genetic events frequently identified in transformed FL contributing to the switch towards aggressive behaviour, and we will discuss current open questions in the field of HT.
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33
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Schejbel L, Breinholt MF, Gang AO, Nielsen TH, Pedersen LM, Høgdall E, Nørgaard P. Inactivating
BTK
mutations in large B‐cell lymphoma in a real‐world cohort: Strong correlation with
BCL2
translocation. EJHAEM 2022; 3:936-939. [PMID: 36051027 PMCID: PMC9421985 DOI: 10.1002/jha2.489] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/10/2022]
Abstract
Inactivating mutations in Bruton's tyrosine kinase (BTK) in patients with follicular lymphoma (FL) have recently been reported. These mutations were found in BTK inhibitor‐treatment naïve patients. Here, we report the BTK mutation status in a real‐world cohort of patients with non‐Hodgkin lymphoma. We found primary BTK mutations in 7.7% of patients with large B‐cell lymphoma (LBCL) and in 14.1% of patients with FL. All patients with BTK‐mutated LBCL were BCL2 translocation positive, and the correlation between BCL2 translocation and BTK mutation persisted even when patients with known transformation from FL were excluded.
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Affiliation(s)
- Lone Schejbel
- Department of Pathology Copenhagen University Hospital Herlev Denmark
| | | | - Anne Ortved Gang
- Department of Haematology Copenhagen University Hospital Rigshospitalet Denmark
| | | | | | - Estrid Høgdall
- Department of Pathology Copenhagen University Hospital Herlev Denmark
| | - Peter Nørgaard
- Department of Pathology Copenhagen University Hospital Herlev Denmark
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34
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Odutola MK, van Leeuwen MT, Turner J, Bruinsma F, Seymour JF, Prince HM, Milliken ST, Trotman J, Verner E, Tiley C, Roncolato F, Underhill CR, Opat SS, Harvey M, Hertzberg M, Benke G, Giles GG, Vajdic CM. Associations between Smoking and Alcohol and Follicular Lymphoma Incidence and Survival: A Family-Based Case-Control Study in Australia. Cancers (Basel) 2022; 14:cancers14112710. [PMID: 35681690 PMCID: PMC9179256 DOI: 10.3390/cancers14112710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/16/2022] [Accepted: 05/27/2022] [Indexed: 12/10/2022] Open
Abstract
The association between smoking and alcohol consumption and follicular lymphoma (FL) incidence and clinical outcome is uncertain. We conducted a population-based family case-control study (709 cases: 490 controls) in Australia. We assessed lifetime history of smoking and recent alcohol consumption and followed-up cases (median = 83 months). We examined associations with FL risk using unconditional logistic regression and with all-cause and FL-specific mortality of cases using Cox regression. FL risk was associated with ever smoking (OR = 1.38, 95%CI = 1.08−1.74), former smoking (OR = 1.36, 95%CI = 1.05−1.77), smoking initiation before age 17 (OR = 1.47, 95%CI = 1.06−2.05), the highest categories of cigarettes smoked per day (OR = 1.44, 95%CI = 1.04−2.01), smoking duration (OR = 1.53, 95%CI = 1.07−2.18) and pack-years (OR = 1.56, 95%CI = 1.10−2.22). For never smokers, FL risk increased for those exposed indoors to >2 smokers during childhood (OR = 1.84, 95%CI = 1.11−3.04). For cases, current smoking and the highest categories of smoking duration and lifetime cigarette exposure were associated with elevated all-cause mortality. The hazard ratio for current smoking and FL-specific mortality was 2.97 (95%CI = 0.91−9.72). We found no association between recent alcohol consumption and FL risk, all-cause or FL-specific mortality. Our study showed consistent evidence of an association between smoking and increased FL risk and possibly also FL-specific mortality. Strengthening anti-smoking policies and interventions may reduce the population burden of FL.
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Affiliation(s)
- Michael K. Odutola
- Centre for Big Data Research in Health, University of New South Wales, Sydney 2052, Australia; (M.K.O.); (M.T.v.L.)
| | - Marina T. van Leeuwen
- Centre for Big Data Research in Health, University of New South Wales, Sydney 2052, Australia; (M.K.O.); (M.T.v.L.)
| | - Jennifer Turner
- Department of Anatomical Pathology, Douglass Hanly Moir Pathology, Macquarie Park 2113, Australia;
- Department of Clinical Medicine, Faculty of Medicine, Health and Human Science, Macquarie University, North Ryde 2109, Australia
| | - Fiona Bruinsma
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne 3004, Australia; (F.B.); (G.G.G.)
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Parkville 3010, Australia
| | - John F. Seymour
- Royal Melbourne Hospital, Melbourne 3052, Australia;
- Peter MacCallum Cancer Centre, University of Melbourne, Parkville 3010, Australia;
| | - Henry M. Prince
- Peter MacCallum Cancer Centre, University of Melbourne, Parkville 3010, Australia;
- Epworth Healthcare, Richmond 3121, Australia
| | - Samuel T. Milliken
- St. Vincent’s Hospital, Sydney 2010, Australia;
- University of New South Wales, Sydney 2052, Australia; (F.R.); (M.H.)
| | - Judith Trotman
- Concord Repatriation General Hospital, Concord 2139, Australia; (J.T.); (E.V.)
- Faculty of Medicine and Health, University of Sydney, Concord 2139, Australia
| | - Emma Verner
- Concord Repatriation General Hospital, Concord 2139, Australia; (J.T.); (E.V.)
- Faculty of Medicine and Health, University of Sydney, Concord 2139, Australia
| | - Campbell Tiley
- Gosford Hospital, Gosford 2250, Australia;
- School of Medicine and Public Health, The University of Newcastle, Newcastle 2308, Australia
| | - Fernando Roncolato
- University of New South Wales, Sydney 2052, Australia; (F.R.); (M.H.)
- St. George Hospital, Kogarah 2217, Australia
| | - Craig R. Underhill
- Rural Medical School, Albury 2640, Australia;
- Border Medical Oncology Research Unit, Albury 2640, Australia
| | - Stephen S. Opat
- Clinical Haematology, Monash Health and Monash University, Clayton 3168, Australia;
| | - Michael Harvey
- Liverpool Hospital, Liverpool 2170, Australia;
- Western Sydney University, Sydney 2000, Australia
| | - Mark Hertzberg
- University of New South Wales, Sydney 2052, Australia; (F.R.); (M.H.)
- Department of Haematology, Prince of Wales Hospital, Sydney 2031, Australia
| | - Geza Benke
- School of Public Health and Preventive Medicine, Monash University, Melbourne 3004, Australia;
| | - Graham G. Giles
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne 3004, Australia; (F.B.); (G.G.G.)
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Parkville 3010, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton 3168, Australia
| | - Claire M. Vajdic
- Centre for Big Data Research in Health, University of New South Wales, Sydney 2052, Australia; (M.K.O.); (M.T.v.L.)
- Kirby Institute, University of New South Wales, Sydney 2052, Australia
- Correspondence:
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López C, Schleussner N, Bernhart SH, Kleinheinz K, Sungalee S, Sczakiel HL, Kretzmer H, Toprak UH, Glaser S, Wagener R, Ammerpohl O, Bens S, Giefing M, González Sánchez JC, Apic G, Hübschmann D, Janz M, Kreuz M, Mottok A, Müller JM, Seufert J, Hoffmann S, Korbel JO, Russell RB, Schüle R, Trümper L, Klapper W, Radlwimmer B, Lichter P, Küppers R, Schlesner M, Mathas S, Siebert R. Focal structural variants revealed by whole genome sequencing disrupt the histone demethylase KDM4C in B-cell lymphomas. Haematologica 2022; 108:543-554. [PMID: 35522148 PMCID: PMC9890021 DOI: 10.3324/haematol.2021.280005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Indexed: 02/03/2023] Open
Abstract
Histone methylation-modifiers, such as EZH2 and KMT2D, are recurrently altered in B-cell lymphomas. To comprehensively describe the landscape of alterations affecting genes encoding histone methylation-modifiers in lymphomagenesis we investigated whole genome and transcriptome data of 186 mature B-cell lymphomas sequenced in the ICGC MMML-Seq project. Besides confirming common alterations of KMT2D (47% of cases), EZH2 (17%), SETD1B (5%), PRDM9 (4%), KMT2C (4%), and SETD2 (4%), also identified by prior exome or RNA-sequencing studies, we here found recurrent alterations to KDM4C in chromosome 9p24, encoding a histone demethylase. Focal structural variation was the main mechanism of KDM4C alterations, and was independent from 9p24 amplification. We also identified KDM4C alterations in lymphoma cell lines including a focal homozygous deletion in a classical Hodgkin lymphoma cell line. By integrating RNA-sequencing and genome sequencing data we predict that KDM4C structural variants result in loss-offunction. By functional reconstitution studies in cell lines, we provide evidence that KDM4C can act as a tumor suppressor. Thus, we show that identification of structural variants in whole genome sequencing data adds to the comprehensive description of the mutational landscape of lymphomas and, moreover, establish KDM4C as a putative tumor suppressive gene recurrently altered in subsets of B-cell derived lymphomas.
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Affiliation(s)
- Cristina López
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany,Institute of Human Genetics, Christian-Albrechts-University, Kiel, Germany,*CL and NS contributed equally as co-first authors
| | - Nikolai Schleussner
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany,Hematology, Oncology and Tumor Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany, and Experimental and Clinical Research Center, a joint cooperation between the MDC and the Charité, Berlin, Germany,*CL and NS contributed equally as co-first authors
| | - Stephan H. Bernhart
- Interdisciplinary Center for Bioinformatics, University of Leipzig, Leipzig, Germany,Bioinformatics Group, Department of Computer, University of Leipzig, Leipzig, Germany,Transcriptome Bioinformatics, LIFE Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany
| | - Kortine Kleinheinz
- Department for Bioinformatics and Functional Genomics, Institute of Pharmacy and Molecular Biotechnology and Bioquant, University of Heidelberg, Heidelberg, Germany
| | | | - Henrike L. Sczakiel
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany,Hematology, Oncology and Tumor Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany, and Experimental and Clinical Research Center, a joint cooperation between the MDC and the Charité, Berlin, Germany
| | - Helene Kretzmer
- Interdisciplinary Center for Bioinformatics, University of Leipzig, Leipzig, Germany,Bioinformatics Group, Department of Computer, University of Leipzig, Leipzig, Germany,Transcriptome Bioinformatics, LIFE Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany,Department of Genome Regulation, Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Umut H. Toprak
- Bioinformatics and Omics Data Analytics (B240), German Cancer Research Center (DKFZ), Heidelberg, Germany,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany,Hopp-Children’s Cancer Center at the NCT Heidelberg (KiTZ), Division of Neuroblastoma Genomics (B087), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Selina Glaser
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Rabea Wagener
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany,Institute of Human Genetics, Christian-Albrechts-University, Kiel, Germany
| | - Ole Ammerpohl
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany,Institute of Human Genetics, Christian-Albrechts-University, Kiel, Germany
| | - Susanne Bens
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany,Institute of Human Genetics, Christian-Albrechts-University, Kiel, Germany
| | - Maciej Giefing
- Institute of Human Genetics, Christian-Albrechts-University, Kiel, Germany,Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | | | - Gordana Apic
- BioQuant and Biochemie Zentrum Heidelberg (BZH), Heidelberg University, Heidelberg, Germany
| | - Daniel Hübschmann
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany,Department for Bioinformatics and Functional Genomics, Institute of Pharmacy and Molecular Biotechnology and Bioquant, University of Heidelberg, Heidelberg, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany,Heidelberg Institute of Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
| | - Martin Janz
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany,Hematology, Oncology and Tumor Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany, and Experimental and Clinical Research Center, a joint cooperation between the MDC and the Charité, Berlin, Germany
| | - Markus Kreuz
- Institute for Medical Informatics Statistics and Epidemiology, Leipzig, Germany
| | - Anja Mottok
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Judith M. Müller
- Klinik fur Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
| | - Julian Seufert
- Bioinformatics and Omics Data Analytics (B240), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Steve Hoffmann
- Interdisciplinary Center for Bioinformatics, University of Leipzig, Leipzig, Germany,Bioinformatics Group, Department of Computer, University of Leipzig, Leipzig, Germany,Transcriptome Bioinformatics, LIFE Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany,Leibniz Institute on Ageing-Fritz Lipmann Institute (FLI), Computational Biology, Jena, Germany
| | - Jan O. Korbel
- EMBL Heidelberg, Genome Biology Unit, Heidelberg,, Germany
| | - Robert B. Russell
- BioQuant and Biochemie Zentrum Heidelberg (BZH), Heidelberg University, Heidelberg, Germany
| | - Roland Schüle
- Klinik fur Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, Freiburg, Germany,BIOSS Centre of Biological Signalling Studies, Albert-Ludwigs-University Freiburg, Freiburg, Germany
| | - Lorenz Trümper
- Department of Hematology and Oncology, Georg-August-University of Göttingen, Göttingen, Germany
| | - Wolfram Klapper
- Hematopathology Section, Christian-Albrechts-University, Kiel, Germany
| | - Bernhard Radlwimmer
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Peter Lichter
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Ralf Küppers
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Essen, Germany, and German Cancer Consortium (DKTK)
| | - Matthias Schlesner
- Bioinformatics and Omics Data Analytics (B240), German Cancer Research Center (DKFZ), Heidelberg, Germany,Biomedical Informatics, Data Mining and Data Analytics, Augsburg University, Augsburg, Germany
| | - Stephan Mathas
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany,Hematology, Oncology and Tumor Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany, and Experimental and Clinical Research Center, a joint cooperation between the MDC and the Charité, Berlin, Germany,SM and RS contributed equally as co-senior authors
| | - Reiner Siebert
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany,Institute of Human Genetics, Christian-Albrechts-University, Kiel, Germany,SM and RS contributed equally as co-senior authors
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36
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Recurrent switch 2 domain RAC2 mutations in intravascular large B-cell lymphoma. Blood Adv 2022; 6:6051-6055. [PMID: 35395066 PMCID: PMC9706525 DOI: 10.1182/bloodadvances.2022006985] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/23/2022] [Indexed: 12/14/2022] Open
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Fu H, Shen J, Zhou H, Zhang F, Li H, Ma Z, Huang W, Chen L, Chen Y, Liu T. Mutation profiling of circulating tumor DNA identifies distinct mutation patterns in non-Hodgkin lymphoma. Eur J Haematol 2022; 108:298-309. [PMID: 34997652 DOI: 10.1111/ejh.13736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Circulating tumor DNA (ctDNA) is emerging as a versatile biomarker for noninvasive genotyping and response monitoring in specific B-cell lymphomas; however, few studies have been conducted to explore ctDNA-based mutation profiling across non-Hodgkin lymphomas (NHLs) and genomic changes after initiation of chemotherapy. METHODS A targeted sequencing of 362 genes was performed to detect the mutation profiles in paired blood and tissue samples from 42 NHL patients. Genomic alterations were explored in 11 diffuse large B-cell lymphoma (DLBCL) patients using paired blood samples collected pre- and post-R-CHOP chemotherapy. RESULTS The frequencies of PIM1, MYD88, MYC, ZNF292, JAK, and MAF mutations were higher in aggressive than in indolent B-cell lymphoma and NK/T subtypes. Tumor mutation burden in blood samples was higher in aggressive than in indolent B-cell lymphomas and higher in patients who progressed than in those who responded to treatments. Our data also revealed significant enhance of concordance index through integrating mutated genes that were significantly associated with prognosis into International Prognostic Index-based prognostic model. Moreover, acquisition of mutations such as PCLO_p.L1220Tfs*3 was associated with resistance to R-CHOP in DLBCL patients. CONCLUSIONS Our findings illustrated distinct mutation patterns across various NHL subtypes and suggested the association of genomic alterations in ctDNA with treatment outcomes.
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Affiliation(s)
- Haiying Fu
- Department of Hematology, The Third Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine, The Third People's Hospital of Fujian Province, Fuzhou, China
| | - Jianzhen Shen
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - Huarong Zhou
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - Feng Zhang
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - Hongping Li
- Research and Development Division, Oriomics Biotech Inc, Hangzhou, China
| | - Zhiming Ma
- Research and Development Division, Oriomics Biotech Inc, Hangzhou, China
| | - Wanling Huang
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - Lushan Chen
- Department of Pathology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yi Chen
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - Tingbo Liu
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
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Ward JP, Berrien-Elliott MM, Gomez F, Luo J, Becker-Hapak M, Cashen AF, Wagner-Johnston ND, Maddocks K, Mosior M, Foster M, Krysiak K, Schmidt A, Skidmore ZL, Desai S, Watkins MP, Fischer A, Griffith M, Griffith OL, Fehniger TA, Bartlett NL. Phase 1/dose expansion trial of brentuximab vedotin and lenalidomide in relapsed or refractory diffuse large B-cell lymphoma. Blood 2022; 139:1999-2010. [PMID: 34780623 PMCID: PMC8972094 DOI: 10.1182/blood.2021011894] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 11/02/2021] [Indexed: 11/20/2022] Open
Abstract
New therapies are needed for patients with relapsed/refractory (rel/ref) diffuse large B-cell lymphoma (DLBCL) who do not benefit from or are ineligible for stem cell transplant and chimeric antigen receptor therapy. The CD30-targeted, antibody-drug conjugate brentuximab vedotin (BV) and the immunomodulator lenalidomide (Len) have demonstrated promising activity as single agents in this population. We report the results of a phase 1/dose expansion trial evaluating the combination of BV/Len in rel/ref DLBCL. Thirty-seven patients received BV every 21 days, with Len administered continuously for a maximum of 16 cycles. The maximum tolerated dose of the combination was 1.2 mg/kg BV with 20 mg/d Len. BV/Len was well tolerated with a toxicity profile consistent with their use as single agents. Most patients required granulocyte colony-stimulating factor support because of neutropenia. The overall response rate was 57% (95% CI, 39.6-72.5), complete response rate, 35% (95% CI, 20.7-52.6); median duration of response, 13.1 months; median progression-free survival, 10.2 months (95% CI, 5.5-13.7); and median overall survival, 14.3 months (95% CI, 10.2-35.6). Response rates were highest in patients with CD30+ DLBCL (73%), but they did not differ according to cell of origin (P = .96). NK cell expansion and phenotypic changes in CD8+ T-cell subsets in nonresponders were identified by mass cytometry. BV/Len represents a potential treatment option for patients with rel/ref DLBCL. This combination is being further explored in a phase 3 study (registered on https://clinicaltrials.org as NCT04404283). This trial was registered on https://clinicaltrials.gov as NCT02086604.
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Affiliation(s)
- Jeffrey P Ward
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Melissa M Berrien-Elliott
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Felicia Gomez
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Jingqin Luo
- Division of Public Health Sciences, Washington University School of Medicine, St. Louis, MO
| | - Michelle Becker-Hapak
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Amanda F Cashen
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Nina D Wagner-Johnston
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Kami Maddocks
- Division of Hematology, The Ohio State University, Columbus, OH; and
| | - Matthew Mosior
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Mark Foster
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Kilannin Krysiak
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Alina Schmidt
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Zachary L Skidmore
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Sweta Desai
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Marcus P Watkins
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Anne Fischer
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Malachi Griffith
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Obi L Griffith
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Todd A Fehniger
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
| | - Nancy L Bartlett
- Division of Oncology and Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO
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Wang E, Mi X, Thompson MC, Montoya S, Notti RQ, Afaghani J, Durham BH, Penson A, Witkowski MT, Lu SX, Bourcier J, Hogg SJ, Erickson C, Cui D, Cho H, Singer M, Totiger TM, Chaudhry S, Geyer M, Alencar A, Linley AJ, Palomba ML, Coombs CC, Park JH, Zelenetz A, Roeker L, Rosendahl M, Tsai DE, Ebata K, Brandhuber B, Hyman DM, Aifantis I, Mato A, Taylor J, Abdel-Wahab O. Mechanisms of Resistance to Noncovalent Bruton's Tyrosine Kinase Inhibitors. N Engl J Med 2022; 386:735-743. [PMID: 35196427 PMCID: PMC9074143 DOI: 10.1056/nejmoa2114110] [Citation(s) in RCA: 105] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Covalent (irreversible) Bruton's tyrosine kinase (BTK) inhibitors have transformed the treatment of multiple B-cell cancers, especially chronic lymphocytic leukemia (CLL). However, resistance can arise through multiple mechanisms, including acquired mutations in BTK at residue C481, the binding site of covalent BTK inhibitors. Noncovalent (reversible) BTK inhibitors overcome this mechanism and other sources of resistance, but the mechanisms of resistance to these therapies are currently not well understood. METHODS We performed genomic analyses of pretreatment specimens as well as specimens obtained at the time of disease progression from patients with CLL who had been treated with the noncovalent BTK inhibitor pirtobrutinib. Structural modeling, BTK-binding assays, and cell-based assays were conducted to study mutations that confer resistance to noncovalent BTK inhibitors. RESULTS Among 55 treated patients, we identified 9 patients with relapsed or refractory CLL and acquired mechanisms of genetic resistance to pirtobrutinib. We found mutations (V416L, A428D, M437R, T474I, and L528W) that were clustered in the kinase domain of BTK and that conferred resistance to both noncovalent BTK inhibitors and certain covalent BTK inhibitors. Mutations in BTK or phospholipase C gamma 2 (PLCγ2), a signaling molecule and downstream substrate of BTK, were found in all 9 patients. Transcriptional activation reflecting B-cell-receptor signaling persisted despite continued therapy with noncovalent BTK inhibitors. CONCLUSIONS Resistance to noncovalent BTK inhibitors arose through on-target BTK mutations and downstream PLCγ2 mutations that allowed escape from BTK inhibition. A proportion of these mutations also conferred resistance across clinically approved covalent BTK inhibitors. These data suggested new mechanisms of genomic escape from established covalent and novel noncovalent BTK inhibitors. (Funded by the American Society of Hematology and others.).
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Affiliation(s)
- Eric Wang
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Xiaoli Mi
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Meghan C Thompson
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Skye Montoya
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Ryan Q Notti
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Jumana Afaghani
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Benjamin H Durham
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Alex Penson
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Matthew T Witkowski
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Sydney X Lu
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Jessie Bourcier
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Simon J Hogg
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Caroline Erickson
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Dan Cui
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Hana Cho
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Michael Singer
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Tulasigeri M Totiger
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Sana Chaudhry
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Mark Geyer
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Alvaro Alencar
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Adam J Linley
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - M Lia Palomba
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Catherine C Coombs
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Jae H Park
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Andrew Zelenetz
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Lindsey Roeker
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Mary Rosendahl
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Donald E Tsai
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Kevin Ebata
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Barbara Brandhuber
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - David M Hyman
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Iannis Aifantis
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Anthony Mato
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Justin Taylor
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
| | - Omar Abdel-Wahab
- From the Human Oncology and Pathogenesis Program (E.W., X.M., B.H.D., A.P., S.X.L., J.B., S.J.H., C.E., D.C., H.C., M.S., O.A.-W.), the Leukemia Service (M.C.T., M.G., J.H.P., L.R., A.M., O.A.-W.), and the Lymphoma Service (M.L.P., A.Z.), Department of Medicine, and the Department of Pathology (B.H.D.), Memorial Sloan Kettering Cancer Center, the Laboratory of Molecular Electron Microscopy, Rockefeller University (R.Q.N.), and the Department of Pathology and Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine (M.T.W., I.A.) - all in New York; Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, Miami (S.M., J.A., T.M.T., S.C., A.A., J.T.); the Department of Molecular Physiology and Cell Signaling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, United Kingdom (A.J.L.); University of North Carolina Medical Center, Chapel Hill (C.C.C.); and Loxo Oncology at Lilly, Boulder, CO (M.R., D.E.T., K.E., B.B., D.M.H.)
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Serganova I, Chakraborty S, Yamshon S, Isshiki Y, Bucktrout R, Melnick A, Béguelin W, Zappasodi R. Epigenetic, Metabolic, and Immune Crosstalk in Germinal-Center-Derived B-Cell Lymphomas: Unveiling New Vulnerabilities for Rational Combination Therapies. Front Cell Dev Biol 2022; 9:805195. [PMID: 35071240 PMCID: PMC8777078 DOI: 10.3389/fcell.2021.805195] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 11/30/2021] [Indexed: 12/24/2022] Open
Abstract
B-cell non-Hodgkin lymphomas (B-NHLs) are highly heterogenous by genetic, phenotypic, and clinical appearance. Next-generation sequencing technologies and multi-dimensional data analyses have further refined the way these diseases can be more precisely classified by specific genomic, epigenomic, and transcriptomic characteristics. The molecular and genetic heterogeneity of B-NHLs may contribute to the poor outcome of some of these diseases, suggesting that more personalized precision-medicine approaches are needed for improved therapeutic efficacy. The germinal center (GC) B-cell like diffuse large B-cell lymphomas (GCB-DLBCLs) and follicular lymphomas (FLs) share specific epigenetic programs. These diseases often remain difficult to treat and surprisingly do not respond advanced immunotherapies, despite arising in secondary lymphoid organs at sites of antigen recognition. Epigenetic dysregulation is a hallmark of GCB-DLBCLs and FLs, with gain-of-function (GOF) mutations in the histone methyltransferase EZH2, loss-of-function (LOF) mutations in histone acetyl transferases CREBBP and EP300, and the histone methyltransferase KMT2D representing the most prevalent genetic lesions driving these diseases. These mutations have the common effect to disrupt the interactions between lymphoma cells and the immune microenvironment, via decreased antigen presentation and responsiveness to IFN-γ and CD40 signaling pathways. This indicates that immune evasion is a key step in GC B-cell lymphomagenesis. EZH2 inhibitors are now approved for the treatment of FL and selective HDAC3 inhibitors counteracting the effects of CREBBP LOF mutations are under development. These treatments can help restore the immune control of GCB lymphomas, and may represent optimal candidate agents for more effective combination with immunotherapies. Here, we review recent progress in understanding the impact of mutant chromatin modifiers on immune evasion in GCB lymphomas. We provide new insights on how the epigenetic program of these diseases may be regulated at the level of metabolism, discussing the role of metabolic intermediates as cofactors of epigenetic enzymes. In addition, lymphoma metabolic adaptation can negatively influence the immune microenvironment, further contributing to the development of immune cold tumors, poorly infiltrated by effector immune cells. Based on these findings, we discuss relevant candidate epigenetic/metabolic/immune targets for rational combination therapies to investigate as more effective precision-medicine approaches for GCB lymphomas.
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Affiliation(s)
- Inna Serganova
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Sanjukta Chakraborty
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Samuel Yamshon
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Yusuke Isshiki
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Ryan Bucktrout
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Ari Melnick
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Wendy Béguelin
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Roberta Zappasodi
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, NY, United States.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States.,Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY, United States.,Parker Institute for Cancer Immunotherapy, San Francisco, CA, United States
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Distinct clinical and genetic features of hepatitis B virus-associated follicular lymphoma in Chinese patients. Blood Adv 2022; 6:2731-2744. [PMID: 35030632 PMCID: PMC9092402 DOI: 10.1182/bloodadvances.2021006410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 12/19/2021] [Indexed: 12/15/2022] Open
Abstract
Hepatitis B virus (HBV) infection has been associated with an increased risk for B-cell lymphomas. We previously showed that 20% of diffuse large B-cell lymphoma (DLBCL) patients from China, an endemic area of HBV infection, have chronic HBV infection (surface antigen positive, HBsAg+) and are characterized by distinct clinical and genetic features. Here, we showed that 24% of follicular lymphoma (FL) Chinese patients are HBsAg+. Compared to the HBsAg-negative FL patients, HBsAg+ patients are younger, have a higher histological grade at diagnosis and have a higher incidence of disease progression within 24 months. Moreover, by sequencing the genomes of 109 FL tumors, we observed enhanced mutagenesis and distinct genetic profile in HBsAg+ FLs, with a unique set of preferentially mutated genes (TNFAIP3, FAS, HIST1H1C, KLF2, TP53, PIM1, TMSB4X, DUSP2, TAGAP, LYN and SETD2), but lack of the hallmark of HBsAg-negative FLs, i.e., IGH/BCL2 translocations and CREBBP mutations. Transcriptomic analyses further showed that HBsAg+ FLs displayed gene-expression signatures resembling the activated B-cell-like subtype of DLBCL, involving IRF4-targeted genes and NF-κB/MYD88 signaling pathways. Finally, we identified an increased infiltration of CD8+ memory T-cells, CD4+ Th1-cells, and M1-macrophages and higher T-cell exhaustion gene signature in HBsAg+ FL samples. Taken together, we present new genetic/epigenetic evidence that links chronic HBV infection to B-cell lymphomagenesis, and HBV-associated FL is likely to have a distinct cell-of-origin and represent as a separate subtype of FL. Targetable genetic/epigenetic alterations identified in tumors and their associated tumor microenvironment may provide potential novel therapeutic approaches for this subgroup of patients.
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Gibson SE, Liu YC, Yatsenko SA, Barasch NJ, Swerdlow SH. Histopathologic, immunophenotypic, and mutational landscape of follicular lymphomas with plasmacytic differentiation. Mod Pathol 2022; 35:60-68. [PMID: 34601504 DOI: 10.1038/s41379-021-00938-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 12/24/2022]
Abstract
Follicular lymphomas with plasmacytic differentiation (FL-PCD) include two major subtypes: one with predominantly interfollicular PCD that usually harbors a BCL2 rearrangement (BCL2-R), and a second that has predominantly intrafollicular PCD and the frequent absence of a BCL2-R. It is proposed that these latter cases share some features with marginal zone lymphomas (MZL). To further explore this hypothesis in an expanded cohort of FL-PCD, a clinicopathologic investigation of 25 such cases was undertaken including an analysis of their mutational landscape. The 10 interfollicular FL-PCDs exhibited typical intrafollicular centrocytes/centroblasts (90%), CD10 expression (90%), full PCD including expression of CD138 by the plasma cells (PC) (100%), and PCs with class-switched immunoglobulin heavy chains (70%). These cases were BCL2-R positive (100%), BCL6-R positive in 30%, lacked extra BCL2 copies, and only 22% had extra copies of BCL6. Similar to classic FLs, 80% of interfollicular FL-PCDs harbored mutations in epigenetic regulators KMT2D (70%), CREBBP (40%), and/or EZH2 (30%). In contrast, only 45% of 11 intrafollicular FL-PCDs demonstrated typical intrafollicular centrocytes/centroblasts, 55% were CD10(-), 80% contained IgM+ PCs, and only 27% harbored BCL2-Rs. BCL6-Rs were identified in 27% of intrafollicular FL-PCD, while 60% showed extra copies of BCL2 and 50% extra copies of BCL6, consistent with complete or partial trisomies of chromosomes 18 and 3, respectively. Only 54% of intrafollicular FL-PCDs showed mutations in epigenetic regulators. Both subtypes showed mutational differences compared to classic FL, but only the interfollicular subtype showed differences from what is reported for nodal MZL. Four additional cases showed mixed intra- and interfollicular PCD. These results suggest that FL-PCD has some distinctive features and supports the existence of two major subtypes. The interfollicular PCD subtype shares many features with classic FL. The intrafollicular FL-PCDs are more heterogeneous, have differences from classic FL, and have a greater morphologic, immunophenotypic, and genetic overlap with MZL.
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Affiliation(s)
- Sarah E Gibson
- Mayo Clinic Arizona, Phoenix, AZ, USA. .,University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA.
| | - Yen-Chun Liu
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA.,St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Svetlana A Yatsenko
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA
| | - Nicholas J Barasch
- University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA.,Columbia University Medical Center, New York, NY, USA
| | - Steven H Swerdlow
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA
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Balasubramanian S, Hodkinson B, Schuster SJ, Fowler NH, Trotman J, Hess G, Cheson BD, Schaffer M, Sun S, Deshpande S, Vermeulen J, Salles G, Gopal AK. Identification of a genetic signature enriching for response to ibrutinib in relapsed/refractory follicular lymphoma in the DAWN phase 2 trial. Cancer Med 2021; 11:61-73. [PMID: 34791836 PMCID: PMC8704158 DOI: 10.1002/cam4.4422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 09/13/2021] [Accepted: 10/26/2021] [Indexed: 11/08/2022] Open
Abstract
Background The single‐arm DAWN trial (NCT01779791) of ibrutinib monotherapy in patients with relapsed/refractory follicular lymphoma (FL) showed an overall response rate (ORR) of 20.9% and a median response duration of 19.4 months. This biomarker analysis of the DAWN dataset sought to determine genetic classifiers for prediction of response to ibrutinib treatment. Methods Whole exome sequencing was performed on baseline tumor samples. Potential germline variants were excluded; a custom set of 1216 cancer‐related genes was examined. Responder‐ versus nonresponder‐associated variants were identified using Fisher's exact test. Classifiers with increasing numbers of genes were created using a greedy algorithm that repeatedly selected genes, adding the most nonresponders to the existing “predicted nonresponders” set and were evaluated with 10‐fold cross‐validation. Results Exome data were generated from 88 patient samples and 13,554 somatic mutation variants were inferred. Response data were available for 83 patients (17 responders, 66 nonresponders). Each sample showed 100 to >500 mutated genes, with greater variance across nonresponders. The overall variant pattern was consistent with previous FL studies; 75 genes had mutations in >10% of patients, including genes previously reported as associated with FL. Univariate analysis yielded responder‐associated genes FANCA, HISTH1B, ANXA6, BTG1, and PARP10, highlighting the importance of functions outside of B‐cell receptor signaling, including epigenetic processes, DNA damage repair, cell cycle/proliferation, and cell motility/invasiveness. While nonresponder‐associated genes included well‐known TP53 and CARD11, genetic classifiers developed using nonresponder‐associated genes included ATP6AP1, EP400, ARID1A, SOCS1, and TBL1XR1, suggesting resistance to ibrutinib may be related to broad biological functions connected to epigenetic modification, telomere maintenance, and cancer‐associated signaling pathways (mTOR, JAK/STAT, NF‐κB). Conclusion The results from univariate and genetic classifier analyses provide insights into genes associated with response or resistance to ibrutinib in FL and identify a classifier developed using nonresponder‐associated genes, which warrants further investigation. Trial registration: NCT01779791.
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Affiliation(s)
| | | | - Stephen J Schuster
- Lymphoma Program, Abramson Cancer Center of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Nathan H Fowler
- Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Judith Trotman
- Haematology Department, Concord Hospital, University of Sydney, Sydney, New South Wales, Australia
| | - Georg Hess
- Department of Hematology/Oncology, Johannes Gutenberg-University, Mainz, Germany
| | - Bruce D Cheson
- Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, District of Columbia, USA
| | | | - Steven Sun
- Janssen Research & Development, Raritan, New Jersey, USA
| | | | | | - Gilles Salles
- Hospices Civils de Lyon, Université de Lyon, Pierre-Bénite Cedex, Lyon, France
| | - Ajay K Gopal
- Division of Medical Oncology, Department of Medicine, The University of Washington, Seattle, Washington, USA.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Lymphoma Program, Seattle Cancer Care Alliance, Seattle, Washington, USA
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Mehta‐Shah N, Lunning MA, Moskowitz AJ, Boruchov AM, Ruan J, Lynch P, Hamlin PA, Leonard J, Matasar MJ, Myskowski PL, Marzouk E, Nair S, Sholklapper T, Minnal V, Palomba ML, Vredenburgh J, Kumar A, Noy A, Straus DJ, Zelenetz AD, Schoder H, Rademaker J, Schaffer W, Galasso N, Ganesan N, Horwitz SM. Romidepsin and lenalidomide-based regimens have efficacy in relapsed/refractory lymphoma: Combined analysis of two phase I studies with expansion cohorts. Am J Hematol 2021; 96:1211-1222. [PMID: 34251048 DOI: 10.1002/ajh.26288] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 06/06/2021] [Accepted: 07/02/2021] [Indexed: 12/17/2022]
Abstract
Romidepsin (histone deacetylase inhibitor), lenalidomide (immunomodulatory agent), and carfilzomib (proteasome inhibitor), have efficacy and lack cumulative toxicity in relapsed/refractory lymphoma. We performed two investigator initiated sequential phase I studies to evaluate the maximum tolerated dose (MTD) of romidepsin and lenalidomide (regimen A) and romidepsin, lenalidomide, and carfilzomib (regimen B) in relapsed/refractory lymphoma. Cohorts in T-cell lymphoma (TCL), B-cell lymphoma (BCL) were enrolled at the MTD. Forty-nine patients were treated in study A (27 TCL, 17 BCL, 5 Hodgkin lymphoma (HL)) and 27 (16 TCL, 11 BCL) in study B. The MTD of regimen A was romidepsin 14 mg/m2 IV on days 1, 8, and 15 and lenalidomide 25 mg oral on days 1-21 of a 28-day cycle. The MTD of regimen B was romidepsin 8 mg/m2 on days 1 and 8, lenalidomide 10 mg oral on days 1-14 and carfilzomib 36 mg/m2 IV on days 1 and 8 of a 21-day cycle. In study A, 94% had AEs ≥Grade 3, most commonly neutropenia (49%), thrombocytopenia (53%), and electrolyte abnormalities (49%). In study B 59% had AEs ≥Grade 3, including thrombocytopenia (30%) and neutropenia (26%). In study A the ORR was 49% (50% TCL, 47% BCL, 50% HL). In study B the ORR was 48% (50% TCL, 50% BCL). For study A and B the median progression free survival (PFS) was 5.7 months and 3.4 months respectively with 11 patients proceeding to allogeneic transplant. The combinations of romidepsin and lenalidomide and of romidepsin, lenalidomide and carfilzomib showed activity in relapsed/refractory lymphoma with an acceptable safety profile.
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Affiliation(s)
- Neha Mehta‐Shah
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
- Washington University School of Medicine in St. Louis St. Louis Missouri USA
| | - Matthew A. Lunning
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
- Department of Medicine University of Nebraska Medical Center Omaha Nebraska USA
| | - Alison J. Moskowitz
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Adam M. Boruchov
- Department of Medicine St. Francis Medical Center Hartford Connecticut USA
| | - Jia Ruan
- Department of Medicine Weill Cornell Medical Center New York New York USA
| | - Peggy Lynch
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Paul A. Hamlin
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - John Leonard
- Department of Medicine Weill Cornell Medical Center New York New York USA
| | - Matthew J. Matasar
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Patricia L. Myskowski
- Dermatology Service, Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Evan Marzouk
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Sumithra Nair
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Tamir Sholklapper
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Veena Minnal
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Maria L. Palomba
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - James Vredenburgh
- Department of Medicine St. Francis Medical Center Hartford Connecticut USA
| | - Anita Kumar
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Ariela Noy
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - David J. Straus
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Andrew D. Zelenetz
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Heiko Schoder
- Department of Radiology Memorial Sloan Kettering Cancer Center New York New York USA
| | - Jurgen Rademaker
- Department of Radiology Memorial Sloan Kettering Cancer Center New York New York USA
| | - Wendy Schaffer
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Natasha Galasso
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Nivetha Ganesan
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
| | - Steven M. Horwitz
- Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
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Małecka A, Trøen G, Delabie J, Małecki J, Østlie I, Tierens A, Randen U, Berentsen S, Tjønnfjord GE. The mutational landscape of cold agglutinin disease: CARD11 and CXCR4 mutations are correlated with lower hemoglobin levels. Am J Hematol 2021; 96:E279-E283. [PMID: 33891703 DOI: 10.1002/ajh.26205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 11/10/2022]
Affiliation(s)
- Agnieszka Małecka
- Department of Haematology Oslo University Hospital Oslo Norway
- Department of Pathology Oslo University Hospital Oslo Norway
- KG Jebsen Centre for B‐cell Malignancies and Institute of Clinical Medicine University of Oslo Oslo Norway
| | - Gunhild Trøen
- Department of Pathology Oslo University Hospital Oslo Norway
| | - Jan Delabie
- Hematology and Transfusion Medicine Laboratory Medicine Program University Health Network Toronto Ontario Canada
- University of Toronto Toronto Ontario Canada
| | | | - Ingunn Østlie
- Department of Pathology Oslo University Hospital Oslo Norway
| | - Anne Tierens
- Hematology and Transfusion Medicine Laboratory Medicine Program University Health Network Toronto Ontario Canada
- University of Toronto Toronto Ontario Canada
| | - Ulla Randen
- Department of Pathology Akershus University Hospital Oslo Norway
| | - Sigbjørn Berentsen
- Department of Research and Innovation Haugesund Hospital Haugesund Norway
| | - Geir E. Tjønnfjord
- Department of Haematology Oslo University Hospital Oslo Norway
- KG Jebsen Centre for B‐cell Malignancies and Institute of Clinical Medicine University of Oslo Oslo Norway
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Milpied P, Gandhi AK, Cartron G, Pasqualucci L, Tarte K, Nadel B, Roulland S. Follicular lymphoma dynamics. Adv Immunol 2021; 150:43-103. [PMID: 34176559 DOI: 10.1016/bs.ai.2021.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Follicular lymphoma (FL) is an indolent yet challenging disease. Despite a generally favorable response to immunochemotherapy regimens, a fraction of patients does not respond or relapses early with unfavorable prognosis. For the vast majority of those who initially respond, relapses will repeatedly occur with increasing refractoriness to available treatments. Addressing the clinical challenges in FL warrants deep understanding of the nature of treatment-resistant FL cells seeding relapses, and of the biological basis of early disease progression. Great progress has been made in the last decade in the description and interrogation of the (epi)genomic landscape of FL cells, of their major dependency to the tumor microenvironment (TME), and of the stepwise lymphomagenesis process, from healthy to subclinical disease and to overt FL. A new picture is emerging, in which an ever-evolving tumor-TME duo sparks a complex and multilayered clonal and functional heterogeneity, blurring the discovery of prognostic biomarkers, patient stratification and reliable designs of risk-adapted treatments. Novel technological approaches allowing to decipher both tumor and TME heterogeneity at the single-cell level are beginning to unravel unsuspected cell dynamics and plasticity of FL cells. The upcoming drawing of a comprehensive functional picture of FL within its ecosystem holds great promise to address the unmet medical needs of this complex lymphoma.
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Affiliation(s)
- Pierre Milpied
- Aix Marseille University, CNRS, INSERM, CIML, Marseille, France
| | - Anita K Gandhi
- Translational Medicine, Bristol Myers Squibb, Summit, NJ, United States
| | - Guillaume Cartron
- Department of Hematology, Centre Hospitalier Universitaire Montpellier, UMR-CNRS 5535, Montpellier, France
| | - Laura Pasqualucci
- Pathology and Cell Biology, Institute for Cancer Genetics, Columbia University, New York City, NY, United States
| | - Karin Tarte
- INSERM U1236, Univ Rennes, EFS Bretagne, CHU Rennes, Rennes, France
| | - Bertrand Nadel
- Aix Marseille University, CNRS, INSERM, CIML, Marseille, France.
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47
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Genomic landscape of cutaneous follicular lymphomas reveals 2 subgroups with clinically predictive molecular features. Blood Adv 2021; 5:649-661. [PMID: 33560380 DOI: 10.1182/bloodadvances.2020002469] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 11/20/2020] [Indexed: 01/14/2023] Open
Abstract
Primary cutaneous follicle center lymphomas (PCFCLs) are indolent B-cell lymphomas that predominantly remain skin restricted and manageable with skin-directed therapy. Conversely, secondary cutaneous involvement by usual systemic follicular lymphoma (secondary cutaneous follicular lymphoma [SCFL]) has a worse prognosis and often necessitates systemic therapy. Unfortunately, no histopathologic or genetic features reliably differentiate PCFCL from SCFL at diagnosis. Imaging may miss low-burden internal disease in some cases of SCFLs, leading to misclassification as PCFCL. Whereas usual systemic FL is well characterized genetically, the genomic landscapes of PCFCL and SCFL are unknown. Herein, we analyzed clinicopathologic and immunophenotypic data from 30 cases of PCFCL and 10 of SCFL and performed whole-exome sequencing on 18 specimens of PCFCL and 6 of SCFL. During a median follow-up of 7 years, 26 (87%) of the PCFCLs remained skin restricted. In the remaining 4 cases, systemic disease developed within 3 years of diagnosis. Although the SCFLs universally expressed BCL2 and had BCL2 rearrangements, 73% of the PCFCLs lacked BCL2 expression, and only 8% of skin-restricted PCFCLs had BCL2 rearrangements. SCFLs showed low proliferation fractions, whereas 75% of PCFCLs had proliferation fractions >30%. Of the SCFLs, 67% had characteristic loss-of-function CREBBP or KMT2D mutations vs none in skin-restricted PCFCL. Both SCFL and skin-restricted PCFCL showed frequent TNFRSF14 loss-of-function mutations and copy number loss at chromosome 1p36. These data together establish PCFCL as a unique entity with biological features distinct from usual systemic FL and SCFL. We propose 3 criteria based on BCL2 rearrangement, chromatin-modifying gene mutations (CREBBP, KMT2D, EZH2, and EP300), and proliferation index to classify cutaneous FL specimens based on the likelihood of concurrent or future systemic spread.
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48
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Klintman J, Appleby N, Stamatopoulos B, Ridout K, Eyre TA, Robbe P, Pascua LL, Knight SJL, Dreau H, Cabes M, Popitsch N, Ehinger M, Martín-Subero JI, Campo E, Månsson R, Rossi D, Taylor JC, Vavoulis DV, Schuh A. Genomic and transcriptomic correlates of Richter transformation in chronic lymphocytic leukemia. Blood 2021; 137:2800-2816. [PMID: 33206936 PMCID: PMC8163497 DOI: 10.1182/blood.2020005650] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023] Open
Abstract
The transformation of chronic lymphocytic leukemia (CLL) to high-grade B-cell lymphoma is known as Richter syndrome (RS), a rare event with dismal prognosis. In this study, we conducted whole-genome sequencing (WGS) of paired circulating CLL (PB-CLL) and RS biopsies (tissue-RS) from 17 patients recruited into a clinical trial (CHOP-O). We found that tissue-RS was enriched for mutations in poor-risk CLL drivers and genes in the DNA damage response (DDR) pathway. In addition, we identified genomic aberrations not previously implicated in RS, including the protein tyrosine phosphatase receptor (PTPRD) and tumor necrosis factor receptor-associated factor 3 (TRAF3). In the noncoding genome, we discovered activation-induced cytidine deaminase-related and unrelated kataegis in tissue-RS affecting regulatory regions of key immune-regulatory genes. These include BTG2, CXCR4, NFATC1, PAX5, NOTCH-1, SLC44A5, FCRL3, SELL, TNIP2, and TRIM13. Furthermore, differences between the global mutation signatures of pairs of PB-CLL and tissue-RS samples implicate DDR as the dominant mechanism driving transformation. Pathway-based clonal deconvolution analysis showed that genes in the MAPK and DDR pathways demonstrate high clonal-expansion probability. Direct comparison of nodal-CLL and tissue-RS pairs from an independent cohort confirmed differential expression of the same pathways by RNA expression profiling. Our integrated analysis of WGS and RNA expression data significantly extends previous targeted approaches, which were limited by the lack of germline samples, and it facilitates the identification of novel genomic correlates implicated in RS transformation, which could be targeted therapeutically. Our results inform the future selection of investigative agents for a UK clinical platform study. This trial was registered at www.clinicaltrials.gov as #NCT03899337.
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MESH Headings
- Aged
- Aged, 80 and over
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/administration & dosage
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Base Sequence
- Clonal Evolution/genetics
- Clone Cells/pathology
- Combined Modality Therapy
- Cyclophosphamide/administration & dosage
- DNA Repair
- Disease Progression
- Doxorubicin/administration & dosage
- Female
- Gene Expression Regulation, Neoplastic/genetics
- Gene Regulatory Networks
- Genes, Neoplasm
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Lymphoma, Large B-Cell, Diffuse/drug therapy
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/pathology
- Male
- Middle Aged
- Mutation
- Neoplasm Proteins/genetics
- Prednisone/administration & dosage
- Prospective Studies
- RNA, Neoplasm/biosynthesis
- RNA, Neoplasm/genetics
- Syndrome
- Transcriptome
- Vincristine/administration & dosage
- Whole Genome Sequencing
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Affiliation(s)
- Jenny Klintman
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Translational Medicine, Skåne University Hospital, Lund University, Lund, Sweden
| | - Niamh Appleby
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Hematology, Oxford University Hospitals National Health Service (NHS) Trust, Oxford, United Kingdom
| | - Basile Stamatopoulos
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Laboratory of Clinical Cell Therapy, Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Katie Ridout
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Toby A Eyre
- Department of Hematology, Oxford University Hospitals National Health Service (NHS) Trust, Oxford, United Kingdom
| | - Pauline Robbe
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Laura Lopez Pascua
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Samantha J L Knight
- National Institute for Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Helene Dreau
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Maite Cabes
- Department of Hematology, Oxford University Hospitals National Health Service (NHS) Trust, Oxford, United Kingdom
| | - Niko Popitsch
- National Institute for Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
- The Children's Cancer Research Institute (CCRI), Vienna, Austria
| | - Mats Ehinger
- Pathology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Lund, Sweden
| | - Jose I Martín-Subero
- Institut d'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Elías Campo
- Institut d'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain
| | - Robert Månsson
- Center for Hematology and Regenerative Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
- Hematology Center, Karolinska University Hospital, Stockholm, Sweden; and
| | - Davide Rossi
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
| | - Jenny C Taylor
- National Institute for Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Dimitrios V Vavoulis
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
- National Institute for Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Anna Schuh
- Molecular Diagnostic Centre, Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Oncology, University of Oxford, Oxford, United Kingdom
- Department of Hematology, Oxford University Hospitals National Health Service (NHS) Trust, Oxford, United Kingdom
- National Institute for Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
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49
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Evaluating upfront high-dose consolidation after R-CHOP for follicular lymphoma by clinical and genetic risk models. Blood Adv 2021; 4:4451-4462. [PMID: 32941649 DOI: 10.1182/bloodadvances.2020002546] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 08/02/2020] [Indexed: 12/30/2022] Open
Abstract
High-dose therapy and autologous stem cell transplantation (HDT/ASCT) is an effective salvage treatment for eligible patients with follicular lymphoma (FL) and early progression of disease (POD). Since the introduction of rituximab, HDT/ASCT is no longer recommended in first remission. We here explored whether consolidative HDT/ASCT improved survival in defined subgroups of previously untreated patients. We report survival analyses of 431 patients who received frontline rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) for advanced FL, and were randomized to receive consolidative HDT/ASCT. We performed targeted genotyping of 157 diagnostic biopsies, and calculated genotype-based risk scores. HDT/ASCT improved failure-free survival (FFS; hazard ratio [HR], 0.8, P = .07; as-treated: HR, 0.7, P = .04), but not overall survival (OS; HR, 1.3, P = .27; as-treated: HR, 1.4, P = .13). High-risk cohorts identified by FL International Prognostic Index (FLIPI), and the clinicogenetic risk models m7-FLIPI and POD within 24 months-prognostic index (POD24-PI) comprised 27%, 18%, and 22% of patients. HDT/ASCT did not significantly prolong FFS in high-risk patients as defined by FLIPI (HR, 0.9; P = .56), m7-FLIPI (HR, 0.9; P = .91), and POD24-PI (HR, 0.8; P = .60). Similarly, OS was not significantly improved. Finally, we used a machine-learning approach to predict benefit from HDT/ASCT by genotypes. Patients predicted to benefit from HDT/ASCT had longer FFS with HDT/ASCT (HR, 0.4; P = .03), but OS did not reach statistical significance. Thus, consolidative HDT/ASCT after frontline R-CHOP did not improve OS in unselected FL patients and subgroups selected by genotype-based risk models.
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50
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Mosquera Orgueira A, Ferreiro Ferro R, Díaz Arias JÁ, Aliste Santos C, Antelo Rodríguez B, Bao Pérez L, Alonso Vence N, Bendaña López Á, Abuin Blanco A, Melero Valentín P, Peleteiro Raindo A, Cid López M, Pérez Encinas MM, González Pérez MS, Fraga Rodríguez MF, Bello López JL. Detection of new drivers of frequent B-cell lymphoid neoplasms using an integrated analysis of whole genomes. PLoS One 2021; 16:e0248886. [PMID: 33945543 PMCID: PMC8096002 DOI: 10.1371/journal.pone.0248886] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 01/19/2021] [Indexed: 12/21/2022] Open
Abstract
B-cell lymphoproliferative disorders exhibit a diverse spectrum of diagnostic entities with heterogeneous behaviour. Multiple efforts have focused on the determination of the genomic drivers of B-cell lymphoma subtypes. In the meantime, the aggregation of diverse tumors in pan-cancer genomic studies has become a useful tool to detect new driver genes, while enabling the comparison of mutational patterns across tumors. Here we present an integrated analysis of 354 B-cell lymphoid disorders. 112 recurrently mutated genes were discovered, of which KMT2D, CREBBP, IGLL5 and BCL2 were the most frequent, and 31 genes were putative new drivers. Mutations in CREBBP, TNFRSF14 and KMT2D predominated in follicular lymphoma, whereas those in BTG2, HTA-A and PIM1 were more frequent in diffuse large B-cell lymphoma. Additionally, we discovered 31 significantly mutated protein networks, reinforcing the role of genes such as CREBBP, EEF1A1, STAT6, GNA13 and TP53, but also pointing towards a myriad of infrequent players in lymphomagenesis. Finally, we report aberrant expression of oncogenes and tumor suppressors associated with novel noncoding mutations (DTX1 and S1PR2), and new recurrent copy number aberrations affecting immune check-point regulators (CD83, PVR) and B-cell specific genes (TNFRSF13C). Our analysis expands the number of mutational drivers of B-cell lymphoid neoplasms, and identifies several differential somatic events between disease subtypes.
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Affiliation(s)
- Adrián Mosquera Orgueira
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - Roi Ferreiro Ferro
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - José Ángel Díaz Arias
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Carlos Aliste Santos
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Pathology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Beatriz Antelo Rodríguez
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Pathology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Laura Bao Pérez
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Natalia Alonso Vence
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Ággeles Bendaña López
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - Aitor Abuin Blanco
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Paula Melero Valentín
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - And´res Peleteiro Raindo
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - Miguel Cid López
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - Manuel Mateo Pérez Encinas
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - Marta Sonia González Pérez
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - Máximo Francisco Fraga Rodríguez
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
- Department of Pathology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
| | - José Luis Bello López
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Galicia, Spain
- Department of Hematology, Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Galicia, Spain
- University of Santiago de Compostela, Santiago de Compostela, Galicia, Spain
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