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E S, Xu J, Wang SA, Tang G, Jabbour EJ, Li S, You MJ, Medeiros LJ, Yin CC. Blast phase of chronic myeloid leukemia presenting as early T-cell precursor acute lymphoblastic leukemia. Am J Clin Pathol 2024:aqae115. [PMID: 39235991 DOI: 10.1093/ajcp/aqae115] [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: 05/20/2024] [Accepted: 08/15/2024] [Indexed: 09/07/2024] Open
Abstract
OBJECTIVES The blasts in most cases of chronic myeloid leukemia blast phase (CML-BP) have a myeloid or precursor-B immunophenotype, with only a small subset having T-cell or natural killer-cell lineage. Patients with CML-BP having early T-cell precursor acute lymphoblastic leukemia (ETP-ALL) are extremely rare. METHODS We report the clinicopathologic, immunophenotypic, and molecular genetic features and outcome of 3 patients with CML-BP who had ETP-ALL, with a review of the literature. RESULTS Only patient 1 had a history of chronic myeloid leukemia chronic phase. Fluorescence in situ hybridization revealed BCR::ABL1 rearrangement in cells with round nuclei (blasts) and cells with segmented nuclei (neutrophils) in cases 2 and 3, supporting a diagnosis of CML-BP rather than de novo Ph+ ETP-ALL. The blasts were positive for cytoplasmic CD3, CD7, CD33, and CD117; were negative for CD1a and CD8; and had dim CD5 expression in 2 cases. Next-generation sequencing showed a TET2 mutation in case 1 and BCOR, RUNX1, and STAG2 mutations in case 3. All patients received chemotherapy and tyrosine kinase inhibitors. Patients 2 and 3 died 33 days and 39 days, respectively, after diagnosis. Patient 1 received stem cell transplantation and was alive 14 months after blast phase. CONCLUSIONS Patients with CML-BP may have ETP-ALL. These patients usually have an aggressive clinical course, requiring intensive therapy, and may benefit from stem cell transplantation.
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Affiliation(s)
- Shuyu E
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - Jie Xu
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - Sa A Wang
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - Guilin Tang
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - Elias J Jabbour
- Department of Leukemia, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - Shaoying Li
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - M James You
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
| | - C Cameron Yin
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, US
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2
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Izzo F, Myers RM, Ganesan S, Mekerishvili L, Kottapalli S, Prieto T, Eton EO, Botella T, Dunbar AJ, Bowman RL, Sotelo J, Potenski C, Mimitou EP, Stahl M, El Ghaity-Beckley S, Arandela J, Raviram R, Choi DC, Hoffman R, Chaligné R, Abdel-Wahab O, Smibert P, Ghobrial IM, Scandura JM, Marcellino B, Levine RL, Landau DA. Mapping genotypes to chromatin accessibility profiles in single cells. Nature 2024; 629:1149-1157. [PMID: 38720070 PMCID: PMC11139586 DOI: 10.1038/s41586-024-07388-y] [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: 05/22/2022] [Accepted: 04/04/2024] [Indexed: 05/19/2024]
Abstract
In somatic tissue differentiation, chromatin accessibility changes govern priming and precursor commitment towards cellular fates1-3. Therefore, somatic mutations are likely to alter chromatin accessibility patterns, as they disrupt differentiation topologies leading to abnormal clonal outgrowth. However, defining the impact of somatic mutations on the epigenome in human samples is challenging due to admixed mutated and wild-type cells. Here, to chart how somatic mutations disrupt epigenetic landscapes in human clonal outgrowths, we developed genotyping of targeted loci with single-cell chromatin accessibility (GoT-ChA). This high-throughput platform links genotypes to chromatin accessibility at single-cell resolution across thousands of cells within a single assay. We applied GoT-ChA to CD34+ cells from patients with myeloproliferative neoplasms with JAK2V617F-mutated haematopoiesis. Differential accessibility analysis between wild-type and JAK2V617F-mutant progenitors revealed both cell-intrinsic and cell-state-specific shifts within mutant haematopoietic precursors, including cell-intrinsic pro-inflammatory signatures in haematopoietic stem cells, and a distinct profibrotic inflammatory chromatin landscape in megakaryocytic progenitors. Integration of mitochondrial genome profiling and cell-surface protein expression measurement allowed expansion of genotyping onto DOGMA-seq through imputation, enabling single-cell capture of genotypes, chromatin accessibility, RNA expression and cell-surface protein expression. Collectively, we show that the JAK2V617F mutation leads to epigenetic rewiring in a cell-intrinsic and cell type-specific manner, influencing inflammation states and differentiation trajectories. We envision that GoT-ChA will empower broad future investigations of the critical link between somatic mutations and epigenetic alterations across clonal populations in malignant and non-malignant contexts.
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Affiliation(s)
- Franco Izzo
- New York Genome Center, New York, NY, USA.
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA.
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Robert M Myers
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Tri-Institutional MD-PhD Program, Weill Cornell Medicine, Rockefeller University, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Saravanan Ganesan
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Levan Mekerishvili
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Physiology, Biophysics and Systems Biology Graduate Program, Weill Cornell Medicine, New York, NY, USA
| | - Sanjay Kottapalli
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Tamara Prieto
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Elliot O Eton
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Tri-Institutional MD-PhD Program, Weill Cornell Medicine, Rockefeller University, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Theo Botella
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Andrew J Dunbar
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Robert L Bowman
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jesus Sotelo
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Catherine Potenski
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Eleni P Mimitou
- New York Genome Center, New York, NY, USA
- Immunai, New York, NY, USA
| | - Maximilian Stahl
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Medical Oncology, Division of Leukemia, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Sebastian El Ghaity-Beckley
- Division of Hematology/Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - JoAnn Arandela
- Division of Hematology/Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ramya Raviram
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Daniel C Choi
- Laboratory of Molecular Hematopoiesis, Hematology and Oncology, Weill Cornell Medicine, New York, NY, USA
- Richard T. Silver MD Myeloproliferative Neoplasm Center, Weill Cornell Medicine, New York, NY, USA
- Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ronald Hoffman
- Division of Hematology/Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ronan Chaligné
- New York Genome Center, New York, NY, USA
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- SAIL: Single-cell Analytics Innovation Lab, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Omar Abdel-Wahab
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Peter Smibert
- New York Genome Center, New York, NY, USA
- 10x Genomics, Pleasanton, CA, USA
| | - Irene M Ghobrial
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Joseph M Scandura
- Laboratory of Molecular Hematopoiesis, Hematology and Oncology, Weill Cornell Medicine, New York, NY, USA
- Richard T. Silver MD Myeloproliferative Neoplasm Center, Weill Cornell Medicine, New York, NY, USA
- Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Bridget Marcellino
- Division of Hematology/Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ross L Levine
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Dan A Landau
- New York Genome Center, New York, NY, USA.
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA.
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3
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Kreissig S, Windisch R, Wichmann C. Deciphering Acute Myeloid Leukemia Associated Transcription Factors in Human Primary CD34+ Hematopoietic Stem/Progenitor Cells. Cells 2023; 13:78. [PMID: 38201282 PMCID: PMC10777941 DOI: 10.3390/cells13010078] [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: 11/10/2023] [Revised: 12/14/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Hemato-oncological diseases account for nearly 10% of all malignancies and can be classified into leukemia, lymphoma, myeloproliferative diseases, and myelodysplastic syndromes. The causes and prognosis of these disease entities are highly variable. Most entities are not permanently controllable and ultimately lead to the patient's death. At the molecular level, recurrent mutations including chromosomal translocations initiate the transformation from normal stem-/progenitor cells into malignant blasts finally floating the patient's bone marrow and blood system. In acute myeloid leukemia (AML), the so-called master transcription factors such as RUNX1, KMT2A, and HOX are frequently disrupted by chromosomal translocations, resulting in neomorphic oncogenic fusion genes. Triggering ex vivo expansion of primary human CD34+ stem/progenitor cells represents a distinct characteristic of such chimeric AML transcription factors. Regarding oncogenic mechanisms of AML, most studies focus on murine models. However, due to biological differences between mice and humans, findings are only partly transferable. This review focuses on the genetic manipulation of human CD34+ primary hematopoietic stem/progenitor cells derived from healthy donors to model acute myeloid leukemia cell growth. Analysis of defined single- or multi-hit human cellular AML models will elucidate molecular mechanisms of the development, maintenance, and potential molecular intervention strategies to counteract malignant human AML blast cell growth.
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Affiliation(s)
| | | | - Christian Wichmann
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, LMU University Hospital, LMU Munich, 81377 Munich, Germany; (S.K.)
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4
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Wu PS, Wang CY, Hsu HJ, Yen JH, Wu MJ. 8-Hydroxydaidzein Induces Apoptosis and Inhibits AML-Associated Gene Expression in U-937 Cells: Potential Phytochemical for AML Treatment. Biomolecules 2023; 13:1575. [PMID: 38002257 PMCID: PMC10669020 DOI: 10.3390/biom13111575] [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: 09/10/2023] [Revised: 09/30/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND 8-hydroxydaidzein (8-OHD) is a compound derived from daidzein, known for its anti-inflammatory and anti-proliferative properties in K562 human chronic myeloid leukemia (CML) cells. However, its effects on acute myeloid leukemia (AML) cells have not been fully understood. METHOD To investigate its potential anti-AML mechanism, we employed an integrated in vitro-in silico approach. RESULTS Our findings demonstrate that 8-OHD suppresses the expression of CDK6 and CCND2 proteins and induces cell apoptosis in U-937 cells by activating Caspase-7 and cleaving PARP-1. Microarray analysis revealed that 8-OHD downregulates differentially expressed genes (DEGs) associated with rRNA processing and ribosome biogenesis pathways. Moreover, AML-target genes, including CCND2, MYC, NPM1, FLT3, and TERT, were downregulated by 8-OHD. Additionally, molecular docking software predicted that 8-OHD has the potential to interact with CDK6, FLT3, and TERT proteins, thereby reducing their activity and inhibiting cell proliferation. Notably, we discovered a synergic pharmacological interaction between 8-OHD and cytarabine (Ara-C). CONCLUSIONS Overall, this study provides insights into the therapeutic applications of 8-OHD in treating AML and elucidates its underlying mechanisms of action.
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Affiliation(s)
- Pei-Shan Wu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan;
- Department of Biotechnology, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan
| | - Chih-Yang Wang
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, Taipei Medical University, Taipei 110301, Taiwan;
- Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei 110301, Taiwan
| | - Hao-Jen Hsu
- Department of Biomedical Sciences and Engineering, Tzu Chi University, Hualien 970, Taiwan;
| | - Jui-Hung Yen
- Department of Molecular Biology and Human Genetics, Tzu Chi University, Hualien 970374, Taiwan;
- Institute of Medical Sciences, Tzu Chi University, Hualien 970374, Taiwan
| | - Ming-Jiuan Wu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan;
- Department of Biotechnology, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan
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5
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Guo T, Wei Q. Cell Reprogramming Techniques: Contributions to Cancer Therapy. Cell Reprogram 2023; 25:142-153. [PMID: 37530737 DOI: 10.1089/cell.2023.0011] [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] [Indexed: 08/03/2023] Open
Abstract
The reprogramming of terminally differentiated cells over the past few years has become important for induced pluripotent stem cells (iPSCs) in the field of regenerative medicine and disease drug modeling. At the same time, iPSCs have also played an important role in human cancer research. iPSCs derived from cancer patients can be used to simulate the early progression of cancer, for drug testing, and to study the molecular mechanism of cancer occurrence. In recent years, with the application of cellular immunotherapy in cancer therapy, patient-derived iPSC-induced immune cells (T, natural killer, and macrophage cells) solve the problem of immune rejection and have higher immunogenicity, which greatly improves the therapeutic efficiency of immune cell therapy. With the continuous progress of cancer differentiation therapy, iPSC technology can reprogram cancer cells to a more primitive pluripotent undifferentiated state, and successfully reverse cancer cells to a benign phenotype by changing the epigenetic inheritance of cancer cells. This article reviews the recent progress of cell reprogramming technology in human cancer research, focuses on the application of reprogramming technology in cancer immunotherapy and the problems solved, and summarizes the malignant phenotype changes of cancer cells in the process of reprogramming and subsequent differentiation.
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Affiliation(s)
- Tongtong Guo
- College of Life Science, Northwest University, Xi'an, China
| | - Qi Wei
- Wuhan Institute of Technology, Wuhan, China
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6
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Windisch R, Kreissig S, Wichmann C. Defined Human Leukemic CD34+ Liquid Cultures to Study HDAC/Transcriptional Repressor Complexes. Methods Mol Biol 2023; 2589:27-49. [PMID: 36255616 DOI: 10.1007/978-1-0716-2788-4_3] [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] [Indexed: 06/16/2023]
Abstract
Defined human primary cell model systems with growth dependence on oncogenes are highly requested to investigate tumor pathogenesis and to validate pharmacological inhibitors that specifically target oncoproteins and their executing protein complex partners. In acute myeloid leukemia (AML), transcription factors such as RUNX1 and MLL1, which are important for normal blood cell development, frequently harbor mutations including chromosomal translocations with other coding genes, resulting in tumor-promoting gain-of-function fusion proteins. These oncoproteins completely modify transcriptional programs, thereby inducing malignant cell phenotypes. A common theme of the chimeric gene products is their physical interaction with a variety of chromatin-modifying effector molecules, including histone acetyltransferases (HATs) and histone deacetylases (HDACs). These aberrant multiprotein machineries disturb gene expression and promote malignant cell growth. In this chapter, we briefly summarize the current understanding regarding AML-associated oncogene-driven human CD34+ blood progenitor cell expansion in ex vivo liquid cultures. We provide a step-by-step protocol to establish oncogene-induced human CD34+ blood progenitor cell cultures suitable to analyze the impact of transcriptional repressor/HDAC activity in these human AML cell models.
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Affiliation(s)
- Roland Windisch
- Department of Transfusion Medicine, Cell Therapeutics and Hemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Sophie Kreissig
- Department of Transfusion Medicine, Cell Therapeutics and Hemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Christian Wichmann
- Department of Transfusion Medicine, Cell Therapeutics and Hemostaseology, University Hospital, LMU Munich, Munich, Germany.
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7
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PANAGOPOULOS IOANNIS, HEIM SVERRE. Neoplasia-associated Chromosome Translocations Resulting in Gene Truncation. Cancer Genomics Proteomics 2022; 19:647-672. [PMID: 36316036 PMCID: PMC9620447 DOI: 10.21873/cgp.20349] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 11/27/2022] Open
Abstract
Chromosomal translocations in cancer as well as benign neoplasias typically lead to the formation of fusion genes. Such genes may encode chimeric proteins when two protein-coding regions fuse in-frame, or they may result in deregulation of genes via promoter swapping or translocation of the gene into the vicinity of a highly active regulatory element. A less studied consequence of chromosomal translocations is the fusion of two breakpoint genes resulting in an out-of-frame chimera. The breaks then occur in one or both protein-coding regions forming a stop codon in the chimeric transcript shortly after the fusion point. Though the latter genetic events and mechanisms at first awoke little research interest, careful investigations have established them as neither rare nor inconsequential. In the present work, we review and discuss the truncation of genes in neoplastic cells resulting from chromosomal rearrangements, especially from seemingly balanced translocations.
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Affiliation(s)
- IOANNIS PANAGOPOULOS
- Section for Cancer Cytogenetics, Institute for Cancer Genetics and Informatics, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - SVERRE HEIM
- Section for Cancer Cytogenetics, Institute for Cancer Genetics and Informatics, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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8
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Mann Z, Sengar M, Verma YK, Rajalingam R, Raghav PK. Hematopoietic Stem Cell Factors: Their Functional Role in Self-Renewal and Clinical Aspects. Front Cell Dev Biol 2022; 10:664261. [PMID: 35399522 PMCID: PMC8987924 DOI: 10.3389/fcell.2022.664261] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 02/14/2022] [Indexed: 01/29/2023] Open
Abstract
Hematopoietic stem cells (HSCs) possess two important properties such as self-renewal and differentiation. These properties of HSCs are maintained through hematopoiesis. This process gives rise to two subpopulations, long-term and short-term HSCs, which have become a popular convention for treating various hematological disorders. The clinical application of HSCs is bone marrow transplant in patients with aplastic anemia, congenital neutropenia, sickle cell anemia, thalassemia, or replacement of damaged bone marrow in case of chemotherapy. The self-renewal attribute of HSCs ensures long-term hematopoiesis post-transplantation. However, HSCs need to be infused in large numbers to reach their target site and meet the demands since they lose their self-renewal capacity after a few passages. Therefore, a more in-depth understanding of ex vivo HSCs expansion needs to be developed to delineate ways to enhance the self-renewability of isolated HSCs. The multifaceted self-renewal process is regulated by factors, including transcription factors, miRNAs, and the bone marrow niche. A developed classical hierarchical model that outlines the hematopoiesis in a lineage-specific manner through in vivo fate mapping, barcoding, and determination of self-renewal regulatory factors are still to be explored in more detail. Thus, an in-depth study of the self-renewal property of HSCs is essentially required to be utilized for ex vivo expansion. This review primarily focuses on the Hematopoietic stem cell self-renewal pathway and evaluates the regulatory molecular factors involved in considering a targeted clinical approach in numerous malignancies and outlining gaps in the current knowledge.
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Affiliation(s)
- Zoya Mann
- Independent Researcher, New Delhi, India
| | - Manisha Sengar
- Department of Zoology, Deshbandhu College, University of Delhi, Delhi, India
| | - Yogesh Kumar Verma
- Stem Cell and Gene Therapy Research Group, Institute of Nuclear Medicine and Allied Sciences (INMAS), Delhi, India
| | - Raja Rajalingam
- Immunogenetics and Transplantation Laboratory, Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Pawan Kumar Raghav
- Immunogenetics and Transplantation Laboratory, Department of Surgery, University of California San Francisco, San Francisco, CA, United States
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9
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Lin TC. RUNX1 and cancer. Biochim Biophys Acta Rev Cancer 2022; 1877:188715. [DOI: 10.1016/j.bbcan.2022.188715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/02/2022] [Accepted: 03/02/2022] [Indexed: 10/18/2022]
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10
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Li J, Jin W, Tan Y, Wang B, Wang X, Zhao M, Wang K. Distinct gene expression pattern of RUNX1 mutations coordinated by target repression and promoter hypermethylation in acute myeloid leukemia. Front Med 2021; 16:627-636. [PMID: 34958450 DOI: 10.1007/s11684-020-0815-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 07/08/2020] [Indexed: 11/30/2022]
Abstract
Runt-related transcription factor 1 (RUNX1) is an essential regulator of normal hematopoiesis. Its dysfunction, caused by either fusions or mutations, is frequently reported in acute myeloid leukemia (AML). However, RUNX1 mutations have been largely under-explored compared with RUNX1 fusions mainly due to their elusive genetic characteristics. Here, based on 1741 patients with AML, we report a unique expression pattern associated with RUNX1 mutations in AML. This expression pattern was coordinated by target repression and promoter hypermethylation. We first reanalyzed a joint AML cohort that consisted of three public cohorts and found that RUNX1 mutations were mainly distributed in the Runt domain and almost mutually exclusive with NPM1 mutations. Then, based on RNA-seq data from The Cancer Genome Atlas AML cohort, we developed a 300-gene signature that significantly distinguished the patients with RUNX1 mutations from those with other AML subtypes. Furthermore, we explored the mechanisms underlying this signature from the transcriptional and epigenetic levels. Using chromatin immunoprecipitation sequencing data, we found that RUNX1 target genes tended to be repressed in patients with RUNX1 mutations. Through the integration of DNA methylation array data, we illustrated that hypermethylation on the promoter regions of RUNX1-regulated genes also contributed to dysregulation in RUNX1-mutated AML. This study revealed the distinct gene expression pattern of RUNX1 mutations and the underlying mechanisms in AML development.
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Affiliation(s)
- Jingming Li
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wen Jin
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.,CNRS-LIA Hematology and Cancer, Sino-French Research Center for Life Sciences and Genomics, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yun Tan
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Beichen Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xiaoling Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ming Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Kankan Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China. .,CNRS-LIA Hematology and Cancer, Sino-French Research Center for Life Sciences and Genomics, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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11
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Savage AM, Alberio R, Johnson AD. Germline competent mesoderm: the substrate for vertebrate germline and somatic stem cells? Biol Open 2021; 10:272478. [PMID: 34648017 PMCID: PMC8524722 DOI: 10.1242/bio.058890] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
In vitro production of tissue-specific stem cells [e.g. haematopoietic stem cells (HSCs)] is a key goal of regenerative medicine. However, recent efforts to produce fully functional tissue-specific stem cells have fallen short. One possible cause of shortcomings may be that model organisms used to characterize basic vertebrate embryology (Xenopus, zebrafish, chick) may employ molecular mechanisms for stem cell specification that are not conserved in humans, a prominent example being the specification of primordial germ cells (PGCs). Germ plasm irreversibly specifies PGCs in many models; however, it is not conserved in humans, which produce PGCs from tissue termed germline-competent mesoderm (GLCM). GLCM is not conserved in organisms containing germ plasm, or even in mice, but understanding its developmental potential could unlock successful production of other stem cell types. GLCM was first discovered in embryos from the axolotl and its conservation has since been demonstrated in pigs, which develop from a flat-disc embryo like humans. Together these findings suggest that GLCM is a conserved basal trait of vertebrate embryos. Moreover, the immortal nature of germ cells suggests that immortality is retained during GLCM specification; here we suggest that the demonstrated pluripotency of GLCM accounts for retention of immortality in somatic stem cell types as well. This article has an associated Future Leaders to Watch interview with the author of the paper. Summary: Recent findings that germline and stem cell specification may differ between species may have important implications for regenerative medicine and the future of stem cell biology.
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Affiliation(s)
- Aaron M Savage
- School of Pharmacy, Division of Stem Cell and Regenerative Medicine, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Ramiro Alberio
- School of Biosciences, Stem Cell Biology, Reprogramming and Pluripotency, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK
| | - Andrew D Johnson
- School of Life Sciences, Division of Cells, Organisms and Molecular Genetics, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, NG7 2UH, UK
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12
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De Martino M, Esposito F, Fusco A. Critical role of the high mobility group A proteins in hematological malignancies. Hematol Oncol 2021; 40:2-10. [PMID: 34637548 PMCID: PMC9293314 DOI: 10.1002/hon.2934] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/27/2021] [Accepted: 10/01/2021] [Indexed: 12/17/2022]
Abstract
The high mobility group A (HMGA) protein family is composed of three non‐histone chromatin remodeling proteins that act as architectural transcriptional factors. Indeed, although HMGA proteins lack transcriptional activity per se, they bind the minor groove of DNA at AT‐rich sequences, and, interacting with the transcription machinery, are able to modify chromatin modeling, thus regulating the expression of several genes. HMGA proteins have been deeply involved in embryogenesis process, and a large volume of studies has pointed out their key role in human cancer. Here, we review the studies on the role of the HMGA proteins in human hematological malignancies: they are overexpressed in most of the cases and their expression correlates with a reduced survival. In some cases, such as in acute lymphoblastic leukemia and acute myelogenous leukemia, HMGA2 gene rearrangements have been also described. Finally, recent studies evidence a synergism between HMGA and EZH2 in diffuse B‐cell lymphomas, suggesting an innovative therapy for this disease based on the inhibition of the function of both these proteins.
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Affiliation(s)
- Marco De Martino
- Department of Molecular Medicine and Medical Biotechnology (DMMBM), National Research Council (CNR), Institute for Experimental Endocrinology and Oncology (IEOS) "G. Salvatore", University of Naples "Federico II", Naples, Italy.,Department of Precision Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Francesco Esposito
- Department of Molecular Medicine and Medical Biotechnology (DMMBM), National Research Council (CNR), Institute for Experimental Endocrinology and Oncology (IEOS) "G. Salvatore", University of Naples "Federico II", Naples, Italy
| | - Alfredo Fusco
- Department of Molecular Medicine and Medical Biotechnology (DMMBM), National Research Council (CNR), Institute for Experimental Endocrinology and Oncology (IEOS) "G. Salvatore", University of Naples "Federico II", Naples, Italy
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13
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Sidhu I, Barwe SP, Pillai RK, Gopalakrishnapillai A. Harnessing the Power of Induced Pluripotent Stem Cells and Gene Editing Technology: Therapeutic Implications in Hematological Malignancies. Cells 2021; 10:2698. [PMID: 34685678 PMCID: PMC8534597 DOI: 10.3390/cells10102698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 12/16/2022] Open
Abstract
In vitro modeling of hematological malignancies not only provides insights into the influence of genetic aberrations on cellular and molecular mechanisms involved in disease progression but also aids development and evaluation of therapeutic agents. Owing to their self-renewal and differentiation capacity, induced pluripotent stem cells (iPSCs) have emerged as a potential source of short in supply disease-specific human cells of the hematopoietic lineage. Patient-derived iPSCs can recapitulate the disease severity and spectrum of prognosis dictated by the genetic variation among patients and can be used for drug screening and studying clonal evolution. However, this approach lacks the ability to model the early phases of the disease leading to cancer. The advent of genetic editing technology has promoted the generation of precise isogenic iPSC disease models to address questions regarding the underlying genetic mechanism of disease initiation and progression. In this review, we discuss the use of iPSC disease modeling in hematological diseases, where there is lack of patient sample availability and/or difficulty of engraftment to generate animal models. Furthermore, we describe the power of combining iPSC and precise gene editing to elucidate the underlying mechanism of initiation and progression of various hematological malignancies. Finally, we discuss the power of iPSC disease modeling in developing and testing novel therapies in a high throughput setting.
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Affiliation(s)
- Ishnoor Sidhu
- Nemours Centers for Childhood Cancer Research and Cancer & Blood Disorders, Nemours Children’s Health, Wilmington, DE 19803, USA; (I.S.); (S.P.B.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
| | - Sonali P. Barwe
- Nemours Centers for Childhood Cancer Research and Cancer & Blood Disorders, Nemours Children’s Health, Wilmington, DE 19803, USA; (I.S.); (S.P.B.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
| | - Raju K. Pillai
- National Medical Center, Department of Pathology, City of Hope, Duarte, CA 91105, USA;
| | - Anilkumar Gopalakrishnapillai
- Nemours Centers for Childhood Cancer Research and Cancer & Blood Disorders, Nemours Children’s Health, Wilmington, DE 19803, USA; (I.S.); (S.P.B.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
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14
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Li Y, Yang W, Devidas M, Winter SS, Kesserwan C, Yang W, Dunsmore KP, Smith C, Qian M, Zhao X, Zhang R, Gastier-Foster JM, Raetz EA, Carroll WL, Li C, Liu PP, Rabin KR, Sanda T, Mullighan CG, Nichols KE, Evans WE, Pui CH, Hunger SP, Teachey DT, Relling MV, Loh ML, Yang JJ. Germline RUNX1 variation and predisposition to childhood acute lymphoblastic leukemia. J Clin Invest 2021; 131:147898. [PMID: 34166225 PMCID: PMC8409579 DOI: 10.1172/jci147898] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 06/22/2021] [Indexed: 12/31/2022] Open
Abstract
Genetic alterations in the RUNX1 gene are associated with benign and malignant blood disorders, particularly of megakaryocyte and myeloid lineages. The role of RUNX1 in acute lymphoblastic leukemia (ALL) is less clear, particularly how germline genetic variation influences the predisposition to this type of leukemia. Sequencing 4,836 children with B-ALL and 1,354 cases of T-ALL, we identified 31 and 18 germline RUNX1 variants, respectively. RUNX1 variants in B-ALL consistently showed minimal damaging effects. By contrast, 6 T-ALL-related variants result in drastic loss of RUNX1 activity as a transcription activator in vitro. Ectopic expression of dominant-negative RUNX1 variants in human CD34+ cells repressed differentiation into erythroid, megakaryocytes, and T cells, while promoting myeloid cell development. Chromatin immunoprecipitation sequencing of T-ALL models showed distinctive patterns of RUNX1 binding by variant proteins. Further whole genome sequencing identified JAK3 mutation as the most frequent somatic genomic abnormality in T-ALL with germline RUNX1 variants. Co-introduction of RUNX1 variant and JAK3 mutation in hematopoietic stem and progenitor cells in mice gave rise to T-ALL with early T-cell precursor phenotype. Taken together, these results indicated that RUNX1 is an important predisposition gene for T-ALL and pointed to novel biology of RUNX1-mediated leukemogenesis in the lymphoid lineages.
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Affiliation(s)
- Yizhen Li
- Department of Pharmaceutical Sciences and
| | | | - Meenakshi Devidas
- Department of Global Pediatric Medicine, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Stuart S. Winter
- Children’s Minnesota Research Institute, Children’s Minnesota, Minneapolis, Minnesota, USA
| | - Chimene Kesserwan
- Center for Cancer Research, Genetics Branch, National Cancer Institute, Bethesda, Maryland, USA
| | | | - Kimberly P. Dunsmore
- Children’s Hematology and Oncology, Carilion Clinic and Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA
| | | | - Maoxiang Qian
- Institute of Pediatrics and Department of Hematology and Oncology, Children’s Hospital of Fudan University, Institutes of Biomedical Sciences, Shanghai, China
| | - Xujie Zhao
- Department of Pharmaceutical Sciences and
| | | | | | - Elizabeth A. Raetz
- Division of Pediatric Hematology and Oncology, Perlmutter Cancer Center, New York University Langone Health, New York, New York, USA
| | - William L. Carroll
- Division of Pediatric Hematology and Oncology, Perlmutter Cancer Center, New York University Langone Health, New York, New York, USA
| | - Chunliang Li
- Tumor Cell Biology, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Paul P. Liu
- Oncogenesis and Development Section, National Human Genome Research Institute, NIH, Bethesda, Maryland, USA
| | - Karen R. Rabin
- Texas Children’s Cancer and Hematology Centers, Baylor College of Medicine, Houston, Texas, USA
| | - Takaomi Sanda
- Cancer Science Institute of Singapore, and
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | | | | | - William E. Evans
- Department of Pharmaceutical Sciences and
- Hematological Malignancies Program, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Ching-Hon Pui
- Department of Oncology, and
- Hematological Malignancies Program, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Stephen P. Hunger
- Department of Pediatrics and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - David T. Teachey
- Department of Pediatrics and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mary V. Relling
- Department of Pharmaceutical Sciences and
- Hematological Malignancies Program, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Mignon L. Loh
- Department of Pediatrics, Benioff Children’s Hospital and the Helen Diller Family Comprehensive Cancer Center, UCSF, San Francisco, California, USA
| | - Jun J. Yang
- Department of Pharmaceutical Sciences and
- Department of Oncology, and
- Hematological Malignancies Program, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
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15
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Leukemic evolution of polycythemia vera and essential thrombocythemia: genomic profiles predict time to transformation. Blood Adv 2021; 4:4887-4897. [PMID: 33035330 DOI: 10.1182/bloodadvances.2020002271] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/03/2020] [Indexed: 02/07/2023] Open
Abstract
Among myeloproliferative neoplasms, polycythemia vera (PV) and essential thrombocythemia (ET) are the 2 entities associated with the most chronic disease course. Leukemic evolution occurs rarely but has a grim prognosis. The interval between diagnosis and leukemic evolution is highly variable, from a few years to >20 years. We performed a molecular evaluation of 49 leukemic transformations of PV and ET by targeted next-generation sequencing. Using a hierarchical classification, we identified 3 molecular groups associated with a distinct time to leukemic transformation. Short-term transformations were mostly characterized by a complex molecular landscape and mutations in IDH1/2, RUNX1, and U2AF1 genes, whereas long-term transformations were associated with mutations in TP53, NRAS, and BCORL1 genes. Studying paired samples from chronic phase and transformation, we detected some mutations already present during the chronic phase, either with a significant allele burden (short-term transformation) or with a very low allele burden (especially TP53 mutations). However, other mutations were not detected even 1 year before leukemic transformation. Our results suggest that the leukemic transformation of PV and ET may be driven by distinct time-dependent molecular mechanisms.
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16
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Chen M, Fu M, Wang A, Wu X, Zhen J, Gong M, Wu P, Du Q, Wang T, Liu H, Wang H. FACSorting help to analyze a rare case of acute myeloid leukemia with concurrent AML1-ETO and PML-RARA. Int J Lab Hematol 2021; 43:e276-e279. [PMID: 33943002 PMCID: PMC9292886 DOI: 10.1111/ijlh.13558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/30/2021] [Accepted: 04/09/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Man Chen
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Minjing Fu
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Aixian Wang
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Xueying Wu
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Junyi Zhen
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Meiwei Gong
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Ping Wu
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Qing Du
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Tong Wang
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Hongxing Liu
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
| | - Hui Wang
- Department of Laboratory Medicine, Hebei Yanda Ludaopei Hospital, Langfang, China
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17
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Osman AEG, Deininger MW. Chronic Myeloid Leukemia: Modern therapies, current challenges and future directions. Blood Rev 2021; 49:100825. [PMID: 33773846 DOI: 10.1016/j.blre.2021.100825] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/22/2021] [Accepted: 03/14/2021] [Indexed: 12/12/2022]
Abstract
Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm caused by a reciprocal translocation [t(9;22)(q34;q11.2)] that leads to the fusion of ABL1 gene sequences (9q34) downstream of BCR gene sequences (22q11) and is cytogenetically visible as Philadelphia chromosome (Ph). The resulting BCR/ABL1 chimeric protein is a constitutively active tyrosine kinase that activates multiple signaling pathways, which collectively lead to malignant transformation. During the early (chronic) phase of CML (CP-CML), the myeloid cell compartment is expanded, but differentiation is maintained. Without effective therapy, CP-CML invariably progresses to blast phase (BP-CML), an acute leukemia of myeloid or lymphoid phenotype. The development of BCR-AB1 tyrosine kinase inhibitors (TKIs) revolutionized the treatment of CML and ignited the start of a new era in oncology. With three generations of BCR/ABL1 TKIs approved today, the majority of CML patients enjoy long term remissions and near normal life expectancy. However, only a minority of patients maintain remission after TKI discontinuation, a status termed treatment free remission (TFR). Unfortunately, 5-10% of patients fail TKIs due to resistance and are at risk of progression to BP-CML, which is curable only with hematopoietic stem cell transplantation. Overcoming TKI resistance, improving the prognosis of BP-CML and improving the rates of TFR are areas of active research in CML.
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Affiliation(s)
- Afaf E G Osman
- Division of Hematology & Hematologic Malignancies, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA.
| | - Michael W Deininger
- Division of Hematology & Hematologic Malignancies, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
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18
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Xiao W, Chan A, Waarts MR, Mishra T, Liu Y, Cai SF, Yao J, Gao Q, Bowman RL, Koche RP, Csete IS, DelGaudio NL, Derkach A, Baik J, Yanis S, Famulare CA, Patel M, Arcila ME, Stahl M, Rampal RK, Tallman MS, Zhang Y, Dogan A, Goldberg AD, Roshal M, Levine RL. Plasmacytoid dendritic cell expansion defines a distinct subset of RUNX1-mutated acute myeloid leukemia. Blood 2021; 137:1377-1391. [PMID: 32871587 PMCID: PMC7955409 DOI: 10.1182/blood.2020007897] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/18/2020] [Indexed: 02/06/2023] Open
Abstract
Plasmacytoid dendritic cells (pDCs) are the principal natural type I interferon-producing dendritic cells. Neoplastic expansion of pDCs and pDC precursors leads to blastic plasmacytoid dendritic cell neoplasm (BPDCN), and clonal expansion of mature pDCs has been described in chronic myelomonocytic leukemia. The role of pDC expansion in acute myeloid leukemia (AML) is poorly studied. Here, we characterize patients with AML with pDC expansion (pDC-AML), which we observe in ∼5% of AML cases. pDC-AMLs often possess cross-lineage antigen expression and have adverse risk stratification with poor outcome. RUNX1 mutations are the most common somatic alterations in pDC-AML (>70%) and are much more common than in AML without pDC expansion and BPDCN. We demonstrate that pDCs are clonally related to, as well as originate from, leukemic blasts in pDC-AML. We further demonstrate that leukemic blasts from RUNX1-mutated AML upregulate a pDC transcriptional program, poising the cells toward pDC differentiation and expansion. Finally, tagraxofusp, a targeted therapy directed to CD123, reduces leukemic burden and eliminates pDCs in a patient-derived xenograft model. In conclusion, pDC-AML is characterized by a high frequency of RUNX1 mutations and increased expression of a pDC transcriptional program. CD123 targeting represents a potential treatment approach for pDC-AML.
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Affiliation(s)
- Wenbin Xiao
- Department of Pathology, Hematopathology Service
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
| | | | - Michael R Waarts
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
| | - Tanmay Mishra
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
| | - Ying Liu
- Department of Pathology, Hematopathology Service
| | - Sheng F Cai
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
- Department of Medicine, Leukemia Service
| | - Jinjuan Yao
- Department of Pathology, Molecular Diagnostic Laboratory
| | - Qi Gao
- Department of Pathology, Hematopathology Service
| | - Robert L Bowman
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
| | | | - Isabelle S Csete
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
| | - Nicole L DelGaudio
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
| | | | - Jeeyeon Baik
- Department of Pathology, Hematopathology Service
| | - Sophia Yanis
- Department of Pathology, Hematopathology Service
| | | | | | - Maria E Arcila
- Department of Pathology, Hematopathology Service
- Department of Pathology, Molecular Diagnostic Laboratory
| | | | - Raajit K Rampal
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
- Department of Medicine, Leukemia Service
| | | | - Yanming Zhang
- Department of Pathology, Cytogenetics Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ahmet Dogan
- Department of Pathology, Hematopathology Service
| | | | | | - Ross L Levine
- Human Oncology and Pathogenesis Program, Molecular Cancer Medicine Service
- Department of Medicine, Leukemia Service
- Center for Epigenetics Research
- Center for Hematologic Malignancies, and
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19
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Danek P, Kardosova M, Janeckova L, Karkoulia E, Vanickova K, Fabisik M, Lozano-Asencio C, Benoukraf T, Tirado-Magallanes R, Zhou Q, Burocziova M, Rahmatova S, Pytlik R, Brdicka T, Tenen DG, Korinek V, Alberich-Jorda M. β-Catenin-TCF/LEF signaling promotes steady-state and emergency granulopoiesis via G-CSF receptor upregulation. Blood 2020; 136:2574-2587. [PMID: 32822472 PMCID: PMC7714095 DOI: 10.1182/blood.2019004664] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 08/09/2020] [Indexed: 12/11/2022] Open
Abstract
The canonical Wnt signaling pathway is mediated by interaction of β-catenin with the T-cell factor/lymphoid enhancer-binding factor (TCF/LEF) transcription factors and subsequent transcription activation of Wnt-target genes. In the hematopoietic system, the function of the pathway has been mainly investigated by rather unspecific genetic manipulations of β-catenin that yielded contradictory results. Here, we used a mouse expressing a truncated dominant negative form of the human TCF4 transcription factor (dnTCF4) that specifically abrogates β-catenin-TCF/LEF interaction. Disruption of the β-catenin-TCF/LEF interaction resulted in the accumulation of immature cells and reduced granulocytic differentiation. Mechanistically, dnTCF4 progenitors exhibited downregulation of the Csf3r gene, reduced granulocyte colony-stimulating factor (G-CSF) receptor levels, attenuation of downstream Stat3 phosphorylation after G-CSF treatment, and impaired G-CSF-mediated differentiation. Chromatin immunoprecipitation assays confirmed direct binding of TCF/LEF factors to the promoter and putative enhancer regions of CSF3R. Inhibition of β-catenin signaling compromised activation of the emergency granulopoiesis program, which requires maintenance and expansion of myeloid progenitors. Consequently, dnTCF4 mice were more susceptible to Candida albicans infection and more sensitive to 5-fluorouracil-induced granulocytic regeneration. Importantly, genetic and chemical inhibition of β-catenin-TCF/LEF signaling in human CD34+ cells reduced granulocytic differentiation, whereas its activation enhanced myelopoiesis. Altogether, our data indicate that the β-catenin-TCF/LEF complex directly regulates G-CSF receptor levels, and consequently controls proper differentiation of myeloid progenitors into granulocytes in steady-state and emergency granulopoiesis. Our results uncover a role for the β-catenin signaling pathway in fine tuning the granulocytic production, opening venues for clinical intervention that require enhanced or reduced production of neutrophils.
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Affiliation(s)
- Petr Danek
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
- Faculty of Science, Charles University, Prague, Czech Republic
| | - Miroslava Kardosova
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
- Childhood Leukemia Investigation Prague, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | | | - Elena Karkoulia
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Karolina Vanickova
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
- Faculty of Science, Charles University, Prague, Czech Republic
| | - Matej Fabisik
- Department of Leukocyte Cell Signaling, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Carlos Lozano-Asencio
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Touati Benoukraf
- Division of BioMedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, Canada
| | | | - Qiling Zhou
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Monika Burocziova
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Sarka Rahmatova
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic; and
| | - Robert Pytlik
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic; and
| | - Tomas Brdicka
- Department of Leukocyte Cell Signaling, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Daniel G Tenen
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
| | | | - Meritxell Alberich-Jorda
- Department of Hemato-oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
- Childhood Leukemia Investigation Prague, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
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20
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Distinct clinical and biological characteristics of acute myeloid leukemia with higher expression of long noncoding RNA KIAA0125. Ann Hematol 2020; 100:487-498. [PMID: 33225420 PMCID: PMC7817567 DOI: 10.1007/s00277-020-04358-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 11/18/2020] [Indexed: 12/12/2022]
Abstract
Expression of long non-coding RNA KIAA0125 has been incorporated in various gene expression signatures for prognostic prediction in acute myeloid leukemia (AML) patients, yet its functions and clinical significance remain unclear. This study aimed to investigate the clinical and biological characteristics of AML bearing different levels of KIAA0125. We profiled KIAA0125 expression levels in bone marrow cells from 347 de novo AML patients and found higher KIAA0125 expression was closely associated with RUNX1 mutation, but inversely correlated with t(8;21) and t(15;17) karyotypes. Among the 227 patients who received standard chemotherapy, those with higher KIAA0125 expression had a lower complete remission rate, shorter overall survival (OS) and disease-free survival (DFS) than those with lower expression. The prognostic significance was validated in both TCGA and GSE12417 cohorts. Subgroup analyses showed that higher KIAA0125 expression also predicted shorter DFS and OS in patients with normal karyotype or non-M3 AML. In multivariable analysis, higher KIAA0125 expression remained an adverse risk factor independent of age, WBC counts, karyotypes, and mutation patterns. Bioinformatics analyses revealed that higher KIAA0125 expression was associated with hematopoietic and leukemic stem cell signatures and ATP-binding cassette transporters, two predisposing factors for chemoresistance.
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21
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In't Hout FEM, Gerritsen M, Bullinger L, Van der Reijden BA, Huls G, Vellenga E, Jansen JH. Transcription factor 4 (<i>TCF4</i>) expression predicts clinical outcome in <i>RUNX1</i> mutated and translocated acute myeloid leukemia. Haematologica 2020; 105:e454-457. [PMID: 33054062 PMCID: PMC7556620 DOI: 10.3324/haematol.2019.232827] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Florentien E M In't Hout
- Department of Laboratory Medicine, Laboratory of Hematology, Radboud University Medical Centrer, Nijmegen, the Netherlands
| | - Mylène Gerritsen
- Department of Hematology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Lars Bullinger
- Department of Internal Medicine III, University Hospital of Ulm, Ulm, Germany; Department of Hematology, Oncology and Tumorimmunology, Charité University Medicine, Berlin, Germany
| | - Bert A Van der Reijden
- Department of Laboratory Medicine, Laboratory of Hematology, Radboud University Medical Centrer, Nijmegen, the Netherlands
| | - Gerwin Huls
- Department of Hematology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Edo Vellenga
- Department of Hematology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Joop H Jansen
- Department of Laboratory Medicine, Laboratory of Hematology, Radboud University Medical Centrer, Nijmegen, the Netherlands.
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22
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Minervini A, Coccaro N, Anelli L, Zagaria A, Specchia G, Albano F. HMGA Proteins in Hematological Malignancies. Cancers (Basel) 2020; 12:E1456. [PMID: 32503270 PMCID: PMC7353061 DOI: 10.3390/cancers12061456] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/25/2020] [Accepted: 06/01/2020] [Indexed: 02/07/2023] Open
Abstract
The high mobility group AT-Hook (HMGA) proteins are a family of nonhistone chromatin remodeling proteins known as "architectural transcriptional factors". By binding the minor groove of AT-rich DNA sequences, they interact with the transcription apparatus, altering the chromatin modeling and regulating gene expression by either enhancing or suppressing the binding of the more usual transcriptional activators and repressors, although they do not themselves have any transcriptional activity. Their involvement in both benign and malignant neoplasias is well-known and supported by a large volume of studies. In this review, we focus on the role of the HMGA proteins in hematological malignancies, exploring the mechanisms through which they enhance neoplastic transformation and how this knowledge could be exploited to devise tailored therapeutic strategies.
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Affiliation(s)
| | | | | | | | | | - Francesco Albano
- Department of Emergency and Organ Transplantation (D.E.T.O.), Hematology Section, University of Bari, 70124 Bari, Italy; (A.M.); (N.C.); (L.A.); (A.Z.); (G.S.)
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23
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Shokouhian M, Bagheri M, Poopak B, Chegeni R, Davari N, Saki N. Altering chromatin methylation patterns and the transcriptional network involved in regulation of hematopoietic stem cell fate. J Cell Physiol 2020; 235:6404-6423. [PMID: 32052445 DOI: 10.1002/jcp.29642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 01/31/2020] [Indexed: 12/15/2022]
Abstract
Hematopoietic stem cells (HSCs) are quiescent cells with self-renewal capacity and potential multilineage development. Various molecular regulatory mechanisms such as epigenetic modifications and transcription factor (TF) networks play crucial roles in establishing a balance between self-renewal and differentiation of HSCs. Histone/DNA methylations are important epigenetic modifications involved in transcriptional regulation of specific lineage HSCs via controlling chromatin structure and accessibility of DNA. Also, TFs contribute to either facilitation or inhibition of gene expression through binding to enhancer or promoter regions of DNA. As a result, epigenetic factors and TFs regulate the activation or repression of HSCs genes, playing a central role in normal hematopoiesis. Given the importance of histone/DNA methylation and TFs in gene expression regulation, their aberrations, including changes in HSCs-related methylation of histone/DNA and TFs (e.g., CCAAT-enhancer-binding protein α, phosphatase and tensin homolog deleted on the chromosome 10, Runt-related transcription factor 1, signal transducers and activators of transcription, and RAS family proteins) could disrupt HSCs fate. Herewith, we summarize how dysregulations in the expression of genes related to self-renewal, proliferation, and differentiation of HSCs caused by changes in epigenetic modifications and transcriptional networks lead to clonal expansion and leukemic transformation.
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Affiliation(s)
- Mohammad Shokouhian
- Department of Hematology and Blood Transfusion, School of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Marziye Bagheri
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Behzad Poopak
- Department of Hematology, Faculty of Paramedical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Rouzbeh Chegeni
- Michener Institute of Education at University Health Network, Toronto, Canada
| | - Nader Davari
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Najmaldin Saki
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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