1
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Hing ZA, Walker JS, Whipp EC, Brinton L, Cannon M, Zhang P, Sher S, Cempre CB, Brown F, Smith PL, Agostinelli C, Pileri SA, Skinner JN, Williams K, Phillips H, Shaffer J, Beaver LP, Pan A, Shin K, Gregory CT, Ozer GH, Yilmaz SA, Harrington BK, Lehman AM, Yu L, Coppola V, Yan P, Scherle P, Wang M, Pitis P, Xu C, Vaddi K, Chen-Kiang S, Woyach J, Blachly JS, Alinari L, Yang Y, Byrd JC, Baiocchi RA, Blaser BW, Lapalombella R. Dysregulation of PRMT5 in chronic lymphocytic leukemia promotes progression with high risk of Richter's transformation. Nat Commun 2023; 14:97. [PMID: 36609611 PMCID: PMC9823097 DOI: 10.1038/s41467-022-35778-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 12/22/2022] [Indexed: 01/08/2023] Open
Abstract
Richter's Transformation (RT) is a poorly understood and fatal progression of chronic lymphocytic leukemia (CLL) manifesting histologically as diffuse large B-cell lymphoma. Protein arginine methyltransferase 5 (PRMT5) is implicated in lymphomagenesis, but its role in CLL or RT progression is unknown. We demonstrate herein that tumors uniformly overexpress PRMT5 in patients with progression to RT. Furthermore, mice with B-specific overexpression of hPRMT5 develop a B-lymphoid expansion with increased risk of death, and Eµ-PRMT5/TCL1 double transgenic mice develop a highly aggressive disease with transformation that histologically resembles RT; where large-scale transcriptional profiling identifies oncogenic pathways mediating PRMT5-driven disease progression. Lastly, we report the development of a SAM-competitive PRMT5 inhibitor, PRT382, with exclusive selectivity and optimal in vitro and in vivo activity compared to available PRMT5 inhibitors. Taken together, the discovery that PRMT5 drives oncogenic pathways promoting RT provides a compelling rationale for clinical investigation of PRMT5 inhibitors such as PRT382 in aggressive CLL/RT cases.
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Affiliation(s)
- Zachary A Hing
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Janek S Walker
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Ethan C Whipp
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Lindsey Brinton
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Matthew Cannon
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Pu Zhang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Steven Sher
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Casey B Cempre
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Fiona Brown
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Porsha L Smith
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Claudio Agostinelli
- Haematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Stefano A Pileri
- European Institute of Oncology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
- Department of Specialized, Experimental and Diagnostic Medicine, University of Bologna, Bologna, Italy
| | - Jordan N Skinner
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Katie Williams
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Hannah Phillips
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Jami Shaffer
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Larry P Beaver
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Alexander Pan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Kyle Shin
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Charles T Gregory
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Gulcin H Ozer
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Selen A Yilmaz
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Bonnie K Harrington
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
| | - Amy M Lehman
- Center for Biostatistics, The Ohio State University, Columbus, OH, USA
| | - Lianbo Yu
- Center for Biostatistics, The Ohio State University, Columbus, OH, USA
| | - Vincenzo Coppola
- Department of Cancer Biology and Genetics, The Ohio State University, Columbus, OH, USA
| | - Pearlly Yan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | | | - Min Wang
- Prelude Therapeutics, Wilmington, DE, USA
| | | | - Chaoyi Xu
- Prelude Therapeutics, Wilmington, DE, USA
| | - Kris Vaddi
- Prelude Therapeutics, Wilmington, DE, USA
| | - Selina Chen-Kiang
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jennifer Woyach
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - James S Blachly
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Lapo Alinari
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Yiping Yang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - John C Byrd
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Robert A Baiocchi
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Bradley W Blaser
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Rosa Lapalombella
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA.
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2
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Walker JS, Hing ZA, Sher S, Cronin J, Williams K, Harrington B, Skinner JN, Cempre CB, Gregory CT, Yano M, Beaver LP, Walker BR, Labanowska JM, Heerema NA, Mrozek K, Woyach JA, Ruppert AS, Lehman A, Ozer HG, Coppola V, Byrd JC, Blachly JS, Lapalombella R. Abstract 2260: Evaluating a rare t(X;14)(q28;q32) translocation reveals MTCP1 as a driving factor in chronic lymphocytic leukemia. Cancer Res 2021. [DOI: 10.1158/1538-7445.am2021-2260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Chronic lymphocytic leukemia (CLL) is the most prevalent adult leukemia in Western countries and is spelled by substantial genetic and clinical heterogeneity. During CLL transformation, loss or gain of genetic material appears to be a key determinant of disease phenotype and clinical outcome, with major chromosome aberrations observed in up to 80% of patients. Alternatively, balanced translocations, specifically those resulting in constitutive over-expression of various proto-oncogenes under the immunoglobulin heavy chain locus (IGH; 14q32), occur far less frequently. Despite their infrequence, molecular profiling of these rare rearrangements have revealed broad importance of un-recognized genes critical to the pathogenesis of CLL. Employing this strategy, we identified a young CLL patient with a previously undescribed t(X;14)(q28;q32) translocation, co-localization of the mature T cell proliferation 1 (MTCP1; Xq28) coding region with the IGH locus, triggering overexpression of MTCP1 in the CLL cells. Translocations involving MTCP1 are a driving factor in T-prolymphocytic leukemia; however, a role for MTCP1 in CLL has not been described. Inspired by this observation, we screened >1700 suspected CLL cases and evaluated gene expression data for further evidence of MCTP1 aberrations. This query identified seven additional Xq28 rearrangements, revealed MTCP1 mRNA was globally over-expressed in CLL cells compared to normal B-cells, and increased MTCP1 mRNA expression portends a poor response to chemoimmunotherapy. To establish a role for MTCP1 as an oncogene in B cell malignancies, we generated a mouse model with B cell-specific MTCP1 overexpression (Eµ-MTCP1). Longitudinal evaluation revealed a majority of Eµ-MTCP1 mice developed a lethal hematologic malignancy between 5-12 months of age, highlighted by the progressive emergence of clonally related CLL-like B lymphocytes (CD19+/CD5+ B cells) in the blood and accumulating in the spleen and lymph nodes. To support the use of the newly generated Eµ-MTCP1 mouse as a tool for pre-clinical evaluation of CLL therapeutics, we demonstrate that continuous ibrutinib administration in Eµ-MTCP1 mice was sufficient to delay the onset of the CLL-like disease and significantly prolonged survival. In summary, we report Xq28 translocations as rare genetic abnormalities in CLL, yet being one mechanism by which CLL cells amplify expression of MTCP1 compared to normal B cell subsets. Further, the Eµ-MTCP1 mouse model should be considered as an alternative tool for both biologic assessment of co-expressed genes and pre-clinical evaluation of novel CLL therapeutics. Lastly, relevant to all cancer types, successful application of a strategy pursuing the functional consequence of genes involved in rare translocations contributed to the understanding of this disease and identified a novel target for future therapeutic consideration.
Citation Format: Janek S. Walker, Zachary A. Hing, Steven Sher, James Cronin, Katie Williams, Bonnie Harrington, Jordan N. Skinner, Casey B. Cempre, Charles T. Gregory, Max Yano, Larry P. Beaver, Brandi R. Walker, Jadwiga M. Labanowska, Nyla A. Heerema, Krzysztof Mrozek, Jennifer A. Woyach, Amy S. Ruppert, Amy Lehman, Hatice Gulcin Ozer, Vincenzo Coppola, John C. Byrd, James S. Blachly, Rosa Lapalombella. Evaluating a rare t(X;14)(q28;q32) translocation reveals MTCP1 as a driving factor in chronic lymphocytic leukemia [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 2260.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Max Yano
- The Ohio State University, Columbus, OH
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Walker JS, Hing ZA, Harrington B, Baumhardt J, Ozer HG, Lehman A, Giacopelli B, Beaver L, Williams K, Skinner JN, Cempre CB, Sun Q, Shacham S, Stromberg BR, Summers MK, Abruzzo LV, Rassenti L, Kipps TJ, Parikh S, Kay NE, Rogers KA, Woyach JA, Coppola V, Chook YM, Oakes C, Byrd JC, Lapalombella R. Recurrent XPO1 mutations alter pathogenesis of chronic lymphocytic leukemia. J Hematol Oncol 2021; 14:17. [PMID: 33451349 PMCID: PMC7809770 DOI: 10.1186/s13045-021-01032-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 01/01/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Exportin 1 (XPO1/CRM1) is a key mediator of nuclear export with relevance to multiple cancers, including chronic lymphocytic leukemia (CLL). Whole exome sequencing has identified hot-spot somatic XPO1 point mutations which we found to disrupt highly conserved biophysical interactions in the NES-binding groove, conferring novel cargo-binding abilities and forcing cellular mis-localization of critical regulators. However, the pathogenic role played by change-in-function XPO1 mutations in CLL is not fully understood. METHODS We performed a large, multi-center retrospective analysis of CLL cases (N = 1286) to correlate nonsynonymous mutations in XPO1 (predominantly E571K or E571G; n = 72) with genetic and epigenetic features contributing to the overall outcomes in these patients. We then established a mouse model with over-expression of wildtype (wt) or mutant (E571K or E571G) XPO1 restricted to the B cell compartment (Eµ-XPO1). Eµ-XPO1 mice were then crossed with the Eµ-TCL1 CLL mouse model. Lastly, we determined crystal structures of XPO1 (wt or E571K) bound to several selective inhibitors of nuclear export (SINE) molecules (KPT-185, KPT-330/Selinexor, and KPT-8602/Eltanexor). RESULTS We report that nonsynonymous mutations in XPO1 associate with high risk genetic and epigenetic features and accelerated CLL progression. Using the newly-generated Eµ-XPO1 mouse model, we found that constitutive B-cell over-expression of wt or mutant XPO1 could affect development of a CLL-like disease in aged mice. Furthermore, concurrent B-cell expression of XPO1 with E571K or E571G mutations and TCL1 accelerated the rate of leukemogenesis relative to that of Eµ-TCL1 mice. Lastly, crystal structures of E571 or E571K-XPO1 bound to SINEs, including Selinexor, are highly similar, suggesting that the activity of this class of compounds will not be affected by XPO1 mutations at E571 in patients with CLL. CONCLUSIONS These findings indicate that mutations in XPO1 at E571 can drive leukemogenesis by priming the pre-neoplastic lymphocytes for acquisition of additional genetic and epigenetic abnormalities that collectively result in neoplastic transformation.
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Affiliation(s)
- Janek S Walker
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Zachary A Hing
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Bonnie Harrington
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - Jordan Baumhardt
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Hatice Gulcin Ozer
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Amy Lehman
- Center for Biostatistics, Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Brian Giacopelli
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Larry Beaver
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Katie Williams
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Jordan N Skinner
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Casey B Cempre
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Qingxiang Sun
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | | | - Benjamin R Stromberg
- Department of Radiation Oncology, Arthur G James Comprehensive Cancer Center and Richard L. Solove Research Institute, The Ohio State University, Columbus, OH, USA
| | - Matthew K Summers
- Department of Radiation Oncology, Arthur G James Comprehensive Cancer Center and Richard L. Solove Research Institute, The Ohio State University, Columbus, OH, USA
| | - Lynne V Abruzzo
- Department of Pathology, The Ohio State University, Columbus, OH, USA
| | - Laura Rassenti
- Department of Medicine, Division of Hematology, University of California-San Diego School of Medicine, San Diego, CA, USA
| | - Thomas J Kipps
- Department of Medicine, Division of Hematology, University of California-San Diego School of Medicine, San Diego, CA, USA
| | - Sameer Parikh
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Neil E Kay
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Kerry A Rogers
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Jennifer A Woyach
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - Vincenzo Coppola
- Department of Cancer Biology and Genetics, The Ohio State University College of Medicine, Columbus, OH, USA
- Genetically Engineered Mouse Modeling Core, The Ohio State University and Arthur G. James Comprehensive Cancer Center, Columbus, OH, USA
| | - Yuh Min Chook
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Christopher Oakes
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
| | - John C Byrd
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA
- Division of Medicinal Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Rosa Lapalombella
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 460 OSUCCC, 410 West 12th Avenue, Columbus, OH, 43210, USA.
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4
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Lucas F, Rogers KA, Harrington BK, Pan A, Yu L, Breitbach J, Bundschuh R, Goettl VM, Hing ZA, Kanga P, Mantel R, Sampath D, Smith LL, Wasmuth R, White DK, Yan P, Byrd JC, Lapalombella R, Woyach JA. Eμ-TCL1xMyc: A Novel Mouse Model for Concurrent CLL and B-Cell Lymphoma. Clin Cancer Res 2019; 25:6260-6273. [PMID: 31296529 PMCID: PMC6801062 DOI: 10.1158/1078-0432.ccr-19-0273] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/23/2019] [Accepted: 07/08/2019] [Indexed: 12/16/2022]
Abstract
PURPOSE Aberrant Myc expression is a major factor in the pathogenesis of aggressive lymphoma, and these lymphomas, while clinically heterogeneous, often are resistant to currently available treatments and have poor survival. Myc expression can also be seen in aggressive lymphomas that are observed in the context of CLL, and we sought to develop a mouse model that could be used to study therapeutic strategies for aggressive lymphoma in the context of CLL. EXPERIMENTAL DESIGN We crossed the Eμ-TCL1 mouse model with the Eμ-Myc mouse model to investigate the clinical phenotype associated with B-cell-restricted expression of these oncogenes. The resulting malignancy was then extensively characterized, from both a clinical and biologic perspective. RESULTS Eμ-TCL1xMyc mice uniformly developed highly aggressive lymphoid disease with histologically, immunophenotypically, and molecularly distinct concurrent CLL and B-cell lymphoma, leading to a significantly reduced lifespan. Injection of cells from diseased Eμ-TCL1xMyc into WT mice established a disease similar to that in the double-transgenic mice. Both Eμ-TCL1xMyc mice and mice with disease after adoptive transfer failed to respond to ibrutinib. Effective and durable disease control was, however, observed by selective inhibition of nuclear export protein exportin-1 (XPO1) using a compound currently in clinical development for relapsed/refractory malignancies, including CLL and lymphoma. CONCLUSIONS The Eμ-TCL1xMyc mouse is a new preclinical tool for testing experimental drugs for aggressive B-cell lymphoma, including in the context of CLL.
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MESH Headings
- Agammaglobulinaemia Tyrosine Kinase/antagonists & inhibitors
- Animals
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Disease Models, Animal
- Drug Resistance, Neoplasm
- Drug Screening Assays, Antitumor/methods
- Female
- Humans
- Karyopherins/antagonists & inhibitors
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Lymphoma, B-Cell/drug therapy
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/pathology
- Male
- Mice
- Mice, Transgenic
- Neoplasms, Multiple Primary/genetics
- Neoplasms, Multiple Primary/pathology
- Proof of Concept Study
- Proto-Oncogene Proteins/genetics
- Proto-Oncogene Proteins c-myc/genetics
- Receptors, Cytoplasmic and Nuclear/antagonists & inhibitors
- Tumor Cells, Cultured/transplantation
- Exportin 1 Protein
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Affiliation(s)
- Fabienne Lucas
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Kerry A Rogers
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Bonnie K Harrington
- Division of Hematology, The Ohio State University, Columbus, Ohio
- Department of Veterinary Biosciences, The Ohio State University, Columbus, Ohio
| | - Alexander Pan
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Lianbo Yu
- Center for Biostatistics, Department of Bioinformatics, The Ohio State University, Columbus, Ohio
| | - Justin Breitbach
- Department of Veterinary Biosciences, The Ohio State University, Columbus, Ohio
| | - Ralf Bundschuh
- Division of Hematology, The Ohio State University, Columbus, Ohio
- Department of Physics, Department of Chemistry & Biochemistry, The Ohio State University, Columbus, Ohio
| | | | - Zachary A Hing
- Division of Hematology, The Ohio State University, Columbus, Ohio
- Medical Scientist Training Program, The Ohio State University, Columbus, Ohio
| | - Parviz Kanga
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Rose Mantel
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Deepa Sampath
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Lisa L Smith
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Ronni Wasmuth
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Danielle K White
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Pearlly Yan
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - John C Byrd
- Division of Hematology, The Ohio State University, Columbus, Ohio
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5
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Ozer HG, El-Gamal D, Powell B, Hing ZA, Blachly JS, Harrington B, Mitchell S, Grieselhuber NR, Williams K, Lai TH, Alinari L, Baiocchi RA, Brinton L, Baskin E, Cannon M, Beaver L, Goettl VM, Lucas DM, Woyach JA, Sampath D, Lehman AM, Yu L, Zhang J, Ma Y, Zhang Y, Spevak W, Shi S, Severson P, Shellooe R, Carias H, Tsang G, Dong K, Ewing T, Marimuthu A, Tantoy C, Walters J, Sanftner L, Rezaei H, Nespi M, Matusow B, Habets G, Ibrahim P, Zhang C, Mathé EA, Bollag G, Byrd JC, Lapalombella R. BRD4 Profiling Identifies Critical Chronic Lymphocytic Leukemia Oncogenic Circuits and Reveals Sensitivity to PLX51107, a Novel Structurally Distinct BET Inhibitor. Cancer Discov 2018; 8:458-477. [PMID: 29386193 DOI: 10.1158/2159-8290.cd-17-0902] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 12/12/2017] [Accepted: 01/26/2018] [Indexed: 11/16/2022]
Abstract
Bromodomain and extra-terminal (BET) family proteins are key regulators of gene expression in cancer. Herein, we utilize BRD4 profiling to identify critical pathways involved in pathogenesis of chronic lymphocytic leukemia (CLL). BRD4 is overexpressed in CLL and is enriched proximal to genes upregulated or de novo expressed in CLL with known functions in disease pathogenesis and progression. These genes, including key members of the B-cell receptor (BCR) signaling pathway, provide a rationale for this therapeutic approach to identify new targets in alternative types of cancer. Additionally, we describe PLX51107, a structurally distinct BET inhibitor with novel in vitro and in vivo pharmacologic properties that emulates or exceeds the efficacy of BCR signaling agents in preclinical models of CLL. Herein, the discovery of the involvement of BRD4 in the core CLL transcriptional program provides a compelling rationale for clinical investigation of PLX51107 as epigenetic therapy in CLL and application of BRD4 profiling in other cancers.Significance: To date, functional studies of BRD4 in CLL are lacking. Through integrated genomic, functional, and pharmacologic analyses, we uncover the existence of BRD4-regulated core CLL transcriptional programs and present preclinical proof-of-concept studies validating BET inhibition as an epigenetic approach to target BCR signaling in CLL. Cancer Discov; 8(4); 458-77. ©2018 AACR.This article is highlighted in the In This Issue feature, p. 371.
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MESH Headings
- Animals
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Cell Cycle Proteins
- Cell Line, Tumor
- Cell Proliferation
- Gene Expression Profiling
- Gene Expression Regulation, Leukemic
- Humans
- Isoxazoles/pharmacology
- Isoxazoles/therapeutic use
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/physiopathology
- Mice
- Mice, SCID
- Nuclear Proteins/genetics
- Nuclear Proteins/metabolism
- Pyridines/pharmacology
- Pyridines/therapeutic use
- Pyrroles/pharmacology
- Pyrroles/therapeutic use
- Signal Transduction
- Transcription Factors/genetics
- Transcription Factors/metabolism
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Hatice Gulcin Ozer
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio
| | - Dalia El-Gamal
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | | | - Zachary A Hing
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - James S Blachly
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Bonnie Harrington
- College of Veterinary Medicine, The Ohio State University, Columbus, Ohio
| | - Shaneice Mitchell
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Nicole R Grieselhuber
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Katie Williams
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Tzung-Huei Lai
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Lapo Alinari
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Robert A Baiocchi
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Lindsey Brinton
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Elizabeth Baskin
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Matthew Cannon
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Larry Beaver
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Virginia M Goettl
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - David M Lucas
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Jennifer A Woyach
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Deepa Sampath
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio
| | - Amy M Lehman
- Center for Biostatistics, The Ohio State University, Columbus, Ohio
| | - Lianbo Yu
- Center for Biostatistics, The Ohio State University, Columbus, Ohio
| | | | - Yan Ma
- Plexxikon Inc., Berkeley, California
| | | | | | | | | | | | | | | | - Ken Dong
- Plexxikon Inc., Berkeley, California
| | | | | | | | | | | | | | | | | | | | | | | | - Ewy A Mathé
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio
| | | | - John C Byrd
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio.
| | - Rosa Lapalombella
- Division of Hematology, Department of Medicine, The Ohio State University, Columbus, Ohio.
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6
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Hing ZA, Fung HYJ, Ranganathan P, Mitchell S, El-Gamal D, Woyach JA, Williams K, Goettl VM, Smith J, Yu X, Meng X, Sun Q, Cagatay T, Lehman AM, Lucas DM, Baloglu E, Shacham S, Kauffman MG, Byrd JC, Chook YM, Garzon R, Lapalombella R. Next-generation XPO1 inhibitor shows improved efficacy and in vivo tolerability in hematological malignancies. Leukemia 2016; 30:2364-2372. [PMID: 27323910 PMCID: PMC5143172 DOI: 10.1038/leu.2016.136] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/11/2016] [Accepted: 04/27/2016] [Indexed: 12/24/2022]
Abstract
The nuclear export receptor, Exportin 1 (XPO1), mediates transport of growth-regulatory proteins, including tumor suppressors, and is overactive in many cancers, including chronic lymphocytic leukemia (CLL), acute myeloid leukemia (AML) and aggressive lymphomas. Oral selective inhibitor of nuclear export (SINE) compounds that block XPO1 function were recently identified and hold promise as a new therapeutic paradigm in many neoplasms. One of these compounds, KPT-330 (selinexor), has made progress in Phase I/II clinical trials, but systemic toxicities limit its administration to twice-per-week and requiring supportive care. We designed a new generation SINE compound, KPT-8602, with a similar mechanism of XPO1 inhibition and potency but considerably improved tolerability. Efficacy of KPT-8602 was evaluated in preclinical animal models of hematological malignancies, including CLL and AML. KPT-8602 shows similar in vitro potency compared with KPT-330 but lower central nervous system penetration, which resulted in enhanced tolerability, even when dosed daily, and improved survival in CLL and AML murine models compared with KPT-330. KPT-8602 is a promising compound for further development in hematological malignancies and other cancers in which upregulation of XPO1 is seen. The wider therapeutic window of KPT-8602 may also allow increased on-target efficacy leading to even more efficacious combinations with other targeted anticancer therapies.
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Affiliation(s)
- Zachary A. Hing
- Medical Scientist Training Program, The Ohio State University, Columbus, OH, USA
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Ho Yee Joyce Fung
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, US
| | - Parvathi Ranganathan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- The Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Shaneice Mitchell
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Dalia El-Gamal
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Jennifer A. Woyach
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Katie Williams
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Virginia M. Goettl
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Jordan Smith
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Xueyan Yu
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Xiaomei Meng
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Qingxiang Sun
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, US
| | - Tolga Cagatay
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, US
| | - Amy M. Lehman
- Center for Biostatistics, The Ohio State University, Columbus, OH, USA
| | - David M. Lucas
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | | | | | | | - John C. Byrd
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Division of Medicinal Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Yuh Min Chook
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, US
| | - Ramiro Garzon
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- The Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Rosa Lapalombella
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
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7
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Kim B, Hing ZA, Wu A, Schiller T, Struble EB, Liuwantara D, Kempert PH, Broxham EJ, Edwards NC, Marder VJ, Simhadri VL, Sauna ZE, Howard TE, Kimchi-Sarfaty C. Single-nucleotide variations defining previously unreported ADAMTS13 haplotypes are associated with differential expression and activity of the VWF-cleaving protease in a Salvadoran congenital thrombotic thrombocytopenic purpura family. Br J Haematol 2014; 165:154-8. [PMID: 24433405 DOI: 10.1111/bjh.12713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Benjamin Kim
- Division of Hematology/Oncology, Department of Medicine, University of California San Francisco School of Medicine, San Francisco, CA, USA
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8
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Hing ZA, Schiller T, Wu A, Hamasaki-Katagiri N, Struble EB, Russek-Cohen E, Kimchi-Sarfaty C. Multiplein silicotools predict phenotypic manifestations in congenital thrombotic thrombocytopenic purpura. Br J Haematol 2013; 160:825-37. [DOI: 10.1111/bjh.12214] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Accepted: 11/30/2012] [Indexed: 01/28/2023]
Affiliation(s)
- Zachary A. Hing
- Laboratory of Hemostasis; Division of Hematology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
| | - Tal Schiller
- Laboratory of Hemostasis; Division of Hematology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
| | - Andrew Wu
- Laboratory of Hemostasis; Division of Hematology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
| | - Nobuko Hamasaki-Katagiri
- Laboratory of Hemostasis; Division of Hematology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
| | - Evi Budo Struble
- Laboratory of Plasma Derivatives; Division of Hematology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
| | - Estelle Russek-Cohen
- Division of Biostatistics; Office of Biostatistics and Epidemiology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
| | - Chava Kimchi-Sarfaty
- Laboratory of Hemostasis; Division of Hematology; Center for Biologics Evaluation & Research; FDA; Bethesda MD USA
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9
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Edwards NC, Hing ZA, Perry A, Blaisdell A, Kopelman DB, Fathke R, Plum W, Newell J, Allen CE, S. G, Shapiro A, Okunji C, Kosti I, Shomron N, Grigoryan V, Przytycka TM, Sauna ZE, Salari R, Mandel-Gutfreund Y, Komar AA, Kimchi-Sarfaty C. Characterization of coding synonymous and non-synonymous variants in ADAMTS13 using ex vivo and in silico approaches. PLoS One 2012; 7:e38864. [PMID: 22768050 PMCID: PMC3387200 DOI: 10.1371/journal.pone.0038864] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Accepted: 05/13/2012] [Indexed: 12/20/2022] Open
Abstract
Synonymous variations, which are defined as codon substitutions that do not change the encoded amino acid, were previously thought to have no effect on the properties of the synthesized protein(s). However, mounting evidence shows that these “silent” variations can have a significant impact on protein expression and function and should no longer be considered “silent”. Here, the effects of six synonymous and six non-synonymous variations, previously found in the gene of ADAMTS13, the von Willebrand Factor (VWF) cleaving hemostatic protease, have been investigated using a variety of approaches. The ADAMTS13 mRNA and protein expression levels, as well as the conformation and activity of the variants have been compared to that of wild-type ADAMTS13. Interestingly, not only the non-synonymous variants but also the synonymous variants have been found to change the protein expression levels, conformation and function. Bioinformatic analysis of ADAMTS13 mRNA structure, amino acid conservation and codon usage allowed us to establish correlations between mRNA stability, RSCU, and intracellular protein expression. This study demonstrates that variants and more specifically, synonymous variants can have a substantial and definite effect on ADAMTS13 function and that bioinformatic analysis may allow development of predictive tools to identify variants that will have significant effects on the encoded protein.
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Affiliation(s)
- Nathan C. Edwards
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Zachary A. Hing
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Avital Perry
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Adam Blaisdell
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - David B. Kopelman
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Robert Fathke
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - William Plum
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Jordan Newell
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Courtni E. Allen
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Geetha S.
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Aaron Shapiro
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Chinyere Okunji
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Idit Kosti
- Department of Biology, Technion-Israel Institute of Technology, Haifa, Israel
| | - Noam Shomron
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel
| | - Vahan Grigoryan
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Teresa M. Przytycka
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Zuben E. Sauna
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
| | - Raheleh Salari
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, United States of America
| | | | - Anton A. Komar
- Center for Gene Regulation in Health and Disease, Department of Biological, Geological and Environmental Sciences, Cleveland State University, Cleveland, Ohio, United States of America
- * E-mail: (CKS); (AAK)
| | - Chava Kimchi-Sarfaty
- Laboratory of Hemostasis, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America
- * E-mail: (CKS); (AAK)
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