1
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Adashek JJ, Kato S, Sicklick JK, Lippman SM, Kurzrock R. Considering molecular alterations as pan-cancer tissue-agnostic targets. NATURE CANCER 2023; 4:1622-1626. [PMID: 38102355 DOI: 10.1038/s43018-023-00676-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Affiliation(s)
- Jacob J Adashek
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins Hospital, Baltimore, MD, USA.
| | - Shumei Kato
- Center for Personalized Cancer Therapy and Division of Hematology and Oncology, Department of Medicine, UC San Diego Moores Cancer Center, La Jolla, CA, USA
| | - Jason K Sicklick
- Center for Personalized Cancer Therapy and Division of Hematology and Oncology, Department of Medicine, UC San Diego Moores Cancer Center, La Jolla, CA, USA
- Department of Surgery, Division of Surgical Oncology, University of California San Diego, UC San Diego Health, San Diego, CA, USA
- Department of Pharmacology, University of California San Diego, UC San Diego Health, San Diego, CA, USA
| | - Scott M Lippman
- Center for Personalized Cancer Therapy and Division of Hematology and Oncology, Department of Medicine, UC San Diego Moores Cancer Center, La Jolla, CA, USA
| | - Razelle Kurzrock
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA.
- WIN Consortium, Paris, France.
- University of Nebraska, Lincoln, NE, USA.
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2
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Saft L, Kvasnicka HM, Boudova L, Gianelli U, Lazzi S, Rozman M. Myeloid/lymphoid neoplasms with eosinophilia and tyrosine kinase fusion genes: A workshop report with focus on novel entities and a literature review including paediatric cases. Histopathology 2023; 83:829-849. [PMID: 37551450 DOI: 10.1111/his.15021] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/18/2023] [Indexed: 08/09/2023]
Abstract
Myeloid/lymphoid neoplasms with eosinophilia (M/LN-eo) and tyrosine kinase (TK) gene fusions are a rare group of haematopoietic neoplasms with a broad range of clinical and morphological presentations. Paediatric cases have increasingly been recognised. Importantly, not all appear as a chronic myeloid neoplasm and eosinophilia is not always present. In addition, standard cytogenetic and molecular methods may not be sufficient to diagnose M/LN-eo due to cytogenetically cryptic aberrations. Therefore, additional evaluation with fluorescence in-situ hybridisation and other molecular genetic techniques (array-based comparative genomic hybridisation, RNA sequencing) are recommended for the identification of specific TK gene fusions. M/LN-eo with JAK2 and FLT3-rearrangements and ETV6::ABL1 fusion were recently added as a formal member to this category in the International Consensus Classification (ICC) and the 5th edition of the WHO classification (WHO-HAEM5). In addition, other less common defined genetic alterations involving TK genes have been described. This study is an update on M/LN-eo with TK gene fusions with focus on novel entities, as illustrated by cases submitted to the Bone Marrow Workshop, organised by the European Bone Marrow Working Group (EBMWG) within the frame of the 21st European Association for Haematopathology congress (EAHP-SH) in Florence 2022. A literature review was performed including paediatric cases of M/LN-eo with TK gene fusions.
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Affiliation(s)
- Leonie Saft
- Clinical Pathology and Cancer Diagnostics, Karolinska University Laboratory, Karolinska Institute, Stockholm, Sweden
| | - Hans M Kvasnicka
- Institute of Pathology and Molecular Pathology, Helios University Clinic Wuppertal, University of Witten/Herdecke, Wuppertal, Germany
| | - Ludmila Boudova
- Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
| | - Umberto Gianelli
- Università degli Studi di Milano, SC Anatomia Patologica, ASST Santi Paolo e Carlo, University of Milan, Milan, Italy
| | - Stefano Lazzi
- Department of Biotechnology, Institute of Pathology, University of Siena, Siena, Italy
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3
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Chen L, Zhang Y, Yin L, Cai B, Huang P, Li X, Liang G. Fibroblast growth factor receptor fusions in cancer: opportunities and challenges. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:345. [PMID: 34732230 PMCID: PMC8564965 DOI: 10.1186/s13046-021-02156-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/25/2021] [Indexed: 12/27/2022]
Abstract
Fibroblast growth factors (FGFs) and their receptors (FGFRs) play critical roles in many biological processes and developmental functions. Chromosomal translocation of FGFRs result in the formation of chimeric FGFR fusion proteins, which often cause aberrant signaling leading to the development and progression of human cancer. Due to the high recurrence rate and carcinogenicity, oncogenic FGFR gene fusions have been identified as promising therapeutic targets. Erdafitinib and pemigatinib, two FGFR selective inhibitors targeting FGFR fusions, have been approved by the U.S. Food and Drug Administration (FDA) to treat patients with urothelial cancer and cholangiocarcinoma, respectively. Futibatinib, a third-generation FGFR inhibitor, is under phase III clinical trials in patients with FGFR gene rearrangements. Herein, we review the current understanding of the FGF/FGFRs system and the oncogenic effect of FGFR fusions, summarize promising inhibitors under clinical development for patients with FGFR fusions, and highlight the challenges in this field.
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Affiliation(s)
- Lingfeng Chen
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China. .,School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, 310012, Zhejiang, China.
| | - Yanmei Zhang
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, 310012, Zhejiang, China
| | - Lina Yin
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, 310012, Zhejiang, China
| | - Binhao Cai
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Ping Huang
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Xiaokun Li
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Guang Liang
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China. .,School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, 310012, Zhejiang, China. .,Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China.
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4
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Comprehensive functional evaluation of variants of fibroblast growth factor receptor genes in cancer. NPJ Precis Oncol 2021; 5:66. [PMID: 34272467 PMCID: PMC8285406 DOI: 10.1038/s41698-021-00204-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 06/08/2021] [Indexed: 01/16/2023] Open
Abstract
Various genetic alterations of the fibroblast growth factor receptor (FGFR) family have been detected across a wide range of cancers. However, inhibition of FGFR signaling by kinase inhibitors demonstrated limited clinical effectiveness. Herein, we evaluated the transforming activity and sensitivity of 160 nonsynonymous FGFR mutations and ten fusion genes to seven FGFR tyrosine kinase inhibitors (TKI) using the mixed-all-nominated-in-one (MANO) method, a high-throughput functional assay. The oncogenicity of 71 mutants was newly discovered in this study. The FGFR TKIs showed anti-proliferative activities against the wild-type FGFRs and their fusions, while several hotspot mutants were relatively resistant to those TKIs. The drug sensitivities assessed with the MANO method were well concordant with those evaluated using in vitro and in vivo assays. Comprehensive analysis of published FGFR structures revealed a possible mechanism through which oncogenic FGFR mutations reduce sensitivity to TKIs. It was further revealed that recurrent compound mutations within FGFRs affect the transforming potential and TKI-sensitivity of corresponding kinases. In conclusion, our study suggests the importance of selecting suitable inhibitors against individual FGFR variants. Moreover, it reveals the necessity to develop next-generation FGFR inhibitors, which are effective against all oncogenic FGFR variants.
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5
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Shallis RM, Siddon AJ, Zeidan AM. Clinical and Molecular Approach to Adult-Onset, Neoplastic Monocytosis. Curr Hematol Malig Rep 2021; 16:276-285. [PMID: 33890194 DOI: 10.1007/s11899-021-00632-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2021] [Indexed: 01/13/2023]
Abstract
PURPOSE OF REVIEW In this review, we provide a comprehensive and contemporary understanding of malignant monocytosis and provide a framework by which the appropriate diagnosis with malignant monocytosis can be rendered. RECENT FINDINGS Increasing data support the use of molecular data to refine the diagnostic approach to persistent monocytosis. The absence of a TET2, SRSF2, or ASXL1 mutation has ≥ 90% negative predictive value for a diagnosis of CMML. These data may also reliably differentiate chronic myelomonocytic leukemia, the malignancy that is most associated with mature monocytosis, from several other diseases that can be associated with typically a lesser degree of monocytosis. These include acute myelomonocytic leukemia, acute myeloid leukemia with monocytic differentiation, myelodysplastic syndromes, and myeloproliferative neoplasms driven by BCR-ABL1, PDGFRA, PDGFRB, or FGFR1 rearrangements or PCM1-JAK2 fusions among other rarer aberrations. The combination of monocyte partitioning with molecular data in patients with persistent monocytosis may increase the predictive power for the ultimate development of CMM but has not been prospectively validated. Many conditions, both benign and malignant, can be associated with an increase in mature circulating monocytes. After reasonably excluding a secondary or reactive monocytosis, there should be a concern for and investigation of malignant monocytosis, which includes hematopathologic review of blood and marrow tissues, flow cytometric analysis, and cytogenetic and molecular studies to arrive at an appropriate diagnosis.
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Affiliation(s)
- Rory M Shallis
- Section of Hematology, Department of Internal Medicine, Yale University School of Medicine and Yale Cancer Center, 333 Cedar Street, PO Box 208028, New Haven, CT, 06520-8028, USA
| | - Alexa J Siddon
- Departments of Laboratory Medicine & Pathology, Yale University, New Haven, CT, USA
| | - Amer M Zeidan
- Section of Hematology, Department of Internal Medicine, Yale University School of Medicine and Yale Cancer Center, 333 Cedar Street, PO Box 208028, New Haven, CT, 06520-8028, USA.
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6
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Liu Y, Mi X, Gadde R, Gao Q, Xiao W, Zhang Y, Benayed R, Arcila M, Dogan A, Geyer MB, Roshal M. FGFR1 Rearrangement Guides Diagnosis and Treatment of a Trilineage B, T, and Myeloid Mixed Phenotype Acute Leukemia. JCO Precis Oncol 2020; 4:1900402. [PMID: 32923913 DOI: 10.1200/po.19.00402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2020] [Indexed: 11/20/2022] Open
Affiliation(s)
- Ying Liu
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Xiaoli Mi
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ramya Gadde
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Qi Gao
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Wenbin Xiao
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Yanming Zhang
- Cytogenetics Laboratory, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Rayma Benayed
- Molecular Diagnostics Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Maria Arcila
- Molecular Diagnostics Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ahmet Dogan
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Mark B Geyer
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY.,Center for Cell Engineering, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Mikhail Roshal
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
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7
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Wang X, Huang X, Pang H, Xiao S, Gu H, Zhang H, Wang B, Zhang L, Yan X. Myeloid/Lymphoid Neoplasm With FGFR1 Rearrangement Accompanying RUNX1 and NOTCH1 Gene Mutations. Front Oncol 2019; 9:1304. [PMID: 31824864 PMCID: PMC6883488 DOI: 10.3389/fonc.2019.01304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 11/11/2019] [Indexed: 11/13/2022] Open
Abstract
Background: Myeloid/Lymphoid Neoplasm with FGFR1 Rearrangement is a rare kind of hematological malignant disease. Case presentation: A 37-year-old male patient experienced three distinct disease stages from myeloproliferative neoplasm (MPN), T-cell lymphoblastic lymphoma (T-LBL) to a much more complexed phage of a mixed phenotype acute leukemia (MPAL). Both genetic and genomic alternations were detected including chromosomal abnormality and genic mutations. Result: Karyotyping and fluorescence in situ hybridization (FISH) analysis of either bone marrow or lymph node sample confirmed the presence of the FGFR1 rearrangement. Amplifications of RUNX1, ERG, and U2AF1 genes were identified by next generation sequencing. Furthermore, a frame-shift variant of F330fs*>149 in the RUNX1 gene and a missense mutation of R2263Q in NOTCH1 were also detected. Conclusion: The FGFR1 rearrangement functions as a trigging oncogenic event. Then other genetic events such as RUNX1 and/or NOTCH1 alternations further lead to progression of disease with trilineage blasts assignment.
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Affiliation(s)
- Xiaoxue Wang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, Liaoning, China.,Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Xinyue Huang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Hui Pang
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Sheng Xiao
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Hongcang Gu
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States.,Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - Heyang Zhang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Baixun Wang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lijun Zhang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiaojing Yan
- Department of Hematology, The First Hospital of China Medical University, Shenyang, Liaoning, China
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8
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Katoh M. Fibroblast growth factor receptors as treatment targets in clinical oncology. Nat Rev Clin Oncol 2018; 16:105-122. [DOI: 10.1038/s41571-018-0115-y] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Wilberger AC, McMahon B, Ewalt MD. The power of the partner: defying expectations in a case of a myeloproliferative neoplasm with FGFR1 rearrangement. Leuk Lymphoma 2018; 60:1095-1097. [PMID: 30277124 DOI: 10.1080/10428194.2018.1516038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Adam C Wilberger
- a Division of Hematopathology , University of Pittsburgh Medical Center , Pittsburgh , PA , USA
| | - Brandon McMahon
- b Division of Hematology , University of Colorado Cancer Center , Aurora , CO , USA
| | - Mark D Ewalt
- a Division of Hematopathology , University of Pittsburgh Medical Center , Pittsburgh , PA , USA
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10
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Cao M, Carrasco RD, Dubuc AM, Dal Cin P, Fletcher JA, Xiao S. ZMYM2-FGFR1 fusion as secondary change in acute myeloid leukemia. Leuk Lymphoma 2018; 60:556-558. [PMID: 30160587 DOI: 10.1080/10428194.2018.1493733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Minghua Cao
- a Department of Pathology, Brigham and Women's Hospital , Harvard Medical School , Boston ( MA) , USA
| | - Ruben D Carrasco
- a Department of Pathology, Brigham and Women's Hospital , Harvard Medical School , Boston ( MA) , USA
| | - Adrian M Dubuc
- a Department of Pathology, Brigham and Women's Hospital , Harvard Medical School , Boston ( MA) , USA
| | - Paola Dal Cin
- a Department of Pathology, Brigham and Women's Hospital , Harvard Medical School , Boston ( MA) , USA
| | - Jonathan A Fletcher
- a Department of Pathology, Brigham and Women's Hospital , Harvard Medical School , Boston ( MA) , USA
| | - Sheng Xiao
- a Department of Pathology, Brigham and Women's Hospital , Harvard Medical School , Boston ( MA) , USA
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11
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Chang K, Liu JH, Yu SC, Lin CW. FGFR1 translocation with concurrent myeloproliferative neoplasm, systemic mastocytosis, and lymphoblastic lymphoma: a case report. Hum Pathol 2018; 74:114-121. [DOI: 10.1016/j.humpath.2017.10.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 09/27/2017] [Accepted: 10/13/2017] [Indexed: 11/29/2022]
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12
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Baer C, Muehlbacher V, Kern W, Haferlach C, Haferlach T. Molecular genetic characterization of myeloid/lymphoid neoplasms associated with eosinophilia and rearrangement of PDGFRA, PDGFRB, FGFR1 or PCM1-JAK2. Haematologica 2018; 103:e348-e350. [PMID: 29567772 DOI: 10.3324/haematol.2017.187302] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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13
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Umino K, Fujiwara SI, Ikeda T, Toda Y, Ito S, Mashima K, Minakata D, Nakano H, Yamasaki R, Kawasaki Y, Sugimoto M, Yamamoto C, Ashizawa M, Hatano K, Sato K, Oh I, Ohmine K, Muroi K, Kanda Y. Clinical outcomes of myeloid/lymphoid neoplasms with fibroblast growth factor receptor-1 (FGFR1) rearrangement. Hematology 2018; 23:470-477. [DOI: 10.1080/10245332.2018.1446279] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Affiliation(s)
- Kento Umino
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Shin-ichiro Fujiwara
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Takashi Ikeda
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Yumiko Toda
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Shoko Ito
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Kiyomi Mashima
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Daisuke Minakata
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Hirofumi Nakano
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Ryoko Yamasaki
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Yasufumi Kawasaki
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Miyuki Sugimoto
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Chihiro Yamamoto
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Masahiro Ashizawa
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Kaoru Hatano
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Kazuya Sato
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Iekuni Oh
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Ken Ohmine
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Kazuo Muroi
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Yoshinobu Kanda
- Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
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14
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Hu T, Chong Y, Qin H, Kitamura E, Chang CS, Silva J, Ren M, Cowell JK. The miR-17/92 cluster is involved in the molecular etiology of the SCLL syndrome driven by the BCR-FGFR1 chimeric kinase. Oncogene 2018; 37:1926-1938. [PMID: 29367757 PMCID: PMC5889328 DOI: 10.1038/s41388-017-0091-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 10/13/2017] [Accepted: 11/28/2017] [Indexed: 01/15/2023]
Abstract
MicroRNAs (miRNAs) have pathogenic roles in the development of a variety of leukemias. Here we identify miRNAs that have important roles in the development of B lymphomas resulting from the expression of the chimeric BCR-FGFR1 kinase. The miR-17/92 cluster was particularly implicated and forced expression resulted in increased cell proliferation, while inhibiting its function using miRNA sponges reduced cell growth and induced apoptosis. Cells treated with the potent BGJ389 FGFR1 inhibitor led to miR-17/92 downregulation, suggesting regulation by FGFR1. Transient luciferase reporter assays and qRT-PCR detection of endogenous miR-17/92 expression in stable transduced cell lines demonstrated that BCR-FGFR1 can regulate miR-17/92 expression. This positive association of miR-17/92 with BCR-FGFR1 was also confirmed in primary mouse SCLL tissues and primary human CLL samples. miR-17/92 promotes cell proliferation and survival by targeting CDKN1A and PTEN in B-lymphoma cell lines and primary tumors. An inverse correlation in expression levels was seen between miR-17/92 and both CDKN1A and PTEN in two cohorts of CLL patients. Finally, in vivo engraftment studies demonstrated that manipulation of miR-17/92 was sufficient to affect BCR-FGFR1-driven leukemogenesis. Overall, our results define miR-17/92 as a downstream effector of FGFR1 in BCR-FGFR1-driven B-cell lymphoblastic leukemia.
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Affiliation(s)
- Tianxiang Hu
- Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | - Yating Chong
- Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | - Haiyan Qin
- Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | - Eiko Kitamura
- Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | | | - Jeane Silva
- Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | - Mingqiang Ren
- Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | - John K Cowell
- Georgia Cancer Center, Augusta University, Augusta, GA, USA. .,Consortium for Health and Military Performance, Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.
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15
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Babaian A, Mager DL. Endogenous retroviral promoter exaptation in human cancer. Mob DNA 2016; 7:24. [PMID: 27980689 PMCID: PMC5134097 DOI: 10.1186/s13100-016-0080-x] [Citation(s) in RCA: 142] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 11/11/2016] [Indexed: 12/13/2022] Open
Abstract
Cancer arises from a series of genetic and epigenetic changes, which result in abnormal expression or mutational activation of oncogenes, as well as suppression/inactivation of tumor suppressor genes. Aberrant expression of coding genes or long non-coding RNAs (lncRNAs) with oncogenic properties can be caused by translocations, gene amplifications, point mutations or other less characterized mechanisms. One such mechanism is the inappropriate usage of normally dormant, tissue-restricted or cryptic enhancers or promoters that serve to drive oncogenic gene expression. Dispersed across the human genome, endogenous retroviruses (ERVs) provide an enormous reservoir of autonomous gene regulatory modules, some of which have been co-opted by the host during evolution to play important roles in normal regulation of genes and gene networks. This review focuses on the “dark side” of such ERV regulatory capacity. Specifically, we discuss a growing number of examples of normally dormant or epigenetically repressed ERVs that have been harnessed to drive oncogenes in human cancer, a process we term onco-exaptation, and we propose potential mechanisms that may underlie this phenomenon.
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Affiliation(s)
- Artem Babaian
- Terry Fox Laboratory, British Columbia Cancer Agency, 675 West 10th Avenue, Vancouver, BC V5Z1L3 Canada ; Department of Medical Genetics, University of British Columbia, Vancouver, BC Canada
| | - Dixie L Mager
- Terry Fox Laboratory, British Columbia Cancer Agency, 675 West 10th Avenue, Vancouver, BC V5Z1L3 Canada ; Department of Medical Genetics, University of British Columbia, Vancouver, BC Canada
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16
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Katoh M. FGFR inhibitors: Effects on cancer cells, tumor microenvironment and whole-body homeostasis (Review). Int J Mol Med 2016; 38:3-15. [PMID: 27245147 PMCID: PMC4899036 DOI: 10.3892/ijmm.2016.2620] [Citation(s) in RCA: 271] [Impact Index Per Article: 33.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 05/23/2016] [Indexed: 12/13/2022] Open
Abstract
Fibroblast growth factor (FGF)2, FGF4, FGF7 and FGF20 are representative paracrine FGFs binding to heparan-sulfate proteoglycan and fibroblast growth factor receptors (FGFRs), whereas FGF19, FGF21 and FGF23 are endocrine FGFs binding to Klotho and FGFRs. FGFR1 is relatively frequently amplified and overexpressed in breast and lung cancer, and FGFR2 in gastric cancer. BCR-FGFR1, CNTRL-FGFR1, CUX1-FGFR1, FGFR1OP-FGFR1, MYO18A-FGFR1 and ZMYM2-FGFR1 fusions in myeloproliferative neoplasms are non-receptor-type FGFR kinases, whereas FGFR1-TACC1, FGFR2-AFF3, FGFR2-BICC1, FGFR2-PPHLN1, FGFR3-BAIAP2L1 and FGFR3-TACC3 fusions in solid tumors are transmembrane-type FGFRs with C-terminal alterations. AZD4547, BGJ398 (infigratinib), Debio-1347 and dovitinib are FGFR1/2/3 inhibitors; BLU9931 is a selective FGFR4 inhibitor; FIIN-2, JNJ-42756493, LY2874455 and ponatinib are pan-FGFR inhibitors. AZD4547, dovitinib and ponatinib are multi-kinase inhibitors targeting FGFRs, colony stimulating factor 1 receptor (CSF1R), vascular endothelial growth factor (VEGF)R2, and others. The tumor microenvironment consists of cancer cells and stromal/immune cells, such as cancer-associated fibroblasts (CAFs), endothelial cells, M2-type tumor-associating macrophages (M2-TAMs), myeloid-derived suppressor cells (MDSCs) and regulatory T cells. FGFR inhibitors elicit antitumor effects directly on cancer cells, as well as indirectly through the blockade of paracrine signaling. The dual inhibition of FGF and CSF1 or VEGF signaling is expected to enhance the antitumor effects through the targeting of immune evasion and angiogenesis in the tumor microenvironment. Combination therapy using tyrosine kinase inhibitors (FGFR or CSF1R inhibitors) and immune checkpoint blockers (anti-PD-1 or anti-CTLA-4 monoclonal antibodies) may be a promising choice for cancer patients. The inhibition of FGF19-FGFR4 signaling is associated with a risk of liver toxicity, whereas the activation of FGF23-FGFR4 signaling is associated with a risk of heart toxicity. Endocrine FGF signaling affects the pathophysiology of cancer patients who are prescribed FGFR inhibitors. Whole-genome sequencing is necessary for the detection of promoter/enhancer alterations of FGFR genes and rare alterations of other genes causing FGFR overexpression. To sustain the health care system in an aging society, a benefit-cost analysis should be performed with a focus on disease-free survival and the total medical cost before implementing genome-based precision medicine for cancer patients.
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Affiliation(s)
- Masaru Katoh
- Department of Omics Network, National Cancer Center, Tokyo 104-0045, Japan
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