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Cohen P, Cross D, Jänne PA. Kinase drug discovery 20 years after imatinib: progress and future directions. Nat Rev Drug Discov 2021; 20:551-569. [PMID: 34002056 PMCID: PMC8127496 DOI: 10.1038/s41573-021-00195-4] [Citation(s) in RCA: 464] [Impact Index Per Article: 154.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2021] [Indexed: 02/04/2023]
Abstract
Protein kinases regulate nearly all aspects of cell life, and alterations in their expression, or mutations in their genes, cause cancer and other diseases. Here, we review the remarkable progress made over the past 20 years in improving the potency and specificity of small-molecule inhibitors of protein and lipid kinases, resulting in the approval of more than 70 new drugs since imatinib was approved in 2001. These compounds have had a significant impact on the way in which we now treat cancers and non-cancerous conditions. We discuss how the challenge of drug resistance to kinase inhibitors is being met and the future of kinase drug discovery.
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Affiliation(s)
- Philip Cohen
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK.
| | | | - Pasi A Jänne
- Lowe Center for Thoracic Oncology, Dana Farber Cancer Institute, Harvard University, Boston, MA, USA.
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52
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Frontline pembrolizumab for the treatment of RET-rearranged non-small cell lung cancer: A case report. Cancer Treat Res Commun 2021; 28:100423. [PMID: 34166867 DOI: 10.1016/j.ctarc.2021.100423] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/08/2021] [Accepted: 06/10/2021] [Indexed: 11/19/2022]
Abstract
RET-rearrangement occurs in 1 to 2% of patients with non-small cell lung cancer (NSCLC), typically among non-smokers, and it is associated with an increased incidence of brain metastasis. While selpercatinib and pralsetinib are active for RET-rearranged NSCLC, the optimal standard frontline regimen for this clinical setting remains undefined. Here, we report on a patient with RET-rearranged NSCLC who received frontline pembrolizumab and achieved a complete tumor response lasting for 29 months and ongoing. Single-agent ICI can be an effective frontline treatment for RET-rearranged NSCLC.
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53
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Yue CH, Oner M, Chiu CY, Chen MC, Teng CL, Wang HY, Hsieh JT, Lai CH, Lin H. RET Regulates Human Medullary Thyroid Cancer Cell Proliferation through CDK5 and STAT3 Activation. Biomolecules 2021; 11:biom11060860. [PMID: 34207842 PMCID: PMC8229599 DOI: 10.3390/biom11060860] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 12/11/2022] Open
Abstract
Medullary thyroid cancer (MTC) is a neuroendocrine tumor that arises from the parafollicular C-cells, which produces the hormone calcitonin. RET is a transmembrane receptor protein-tyrosine kinase, which is highly expressed in MTC. Our previous studies reported that cyclin-dependent kinase 5 (CDK5) plays a crucial role in cancer progression, including MTC. However, the role of CDK5 in GDNF-induced RET signaling in medullary thyroid cancer proliferation remains unknown. Here, we investigated RET activation and its biochemically interaction with CDK5 in GDNF-induced medullary thyroid cancer proliferation. Our results demonstrated that GDNF stimulated RET phosphorylation and thus subsequently resulted in CDK5 activation by its phosphorylation. Activated CDK5 further caused STAT3 activation by its specific phosphorylation at Ser727. Moreover, we also found that GDNF treatment enhanced ERK1/2 and EGR1 activity, which is involved in p35 activation. Interestingly, we identified for the first time that CDK5 physically interacted with RET protein in MTC. Overall, our results provide a new mechanism for medullary thyroid cancer cell proliferation, suggesting that targeting CDK5 may be a promising therapeutic candidate for human medullary thyroid cancer in the near future.
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Affiliation(s)
- Chia-Herng Yue
- Department of Surgery, Tung’s Taichung Metro Harbor Hospital, Taichung 435403, Taiwan;
| | - Muhammet Oner
- Department of Life Sciences, National Chung Hsing University, Taichung 402204, Taiwan; (M.O.); (C.-Y.C.)
| | - Chih-Yuan Chiu
- Department of Life Sciences, National Chung Hsing University, Taichung 402204, Taiwan; (M.O.); (C.-Y.C.)
| | - Mei-Chih Chen
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung 404332, Taiwan;
| | - Chieh-Lin Teng
- Division of Hematology/Medical Oncology, Department of Medicine, Taichung Veterans General Hospital, Taichung 40201, Taiwan;
- Department of Life Science, Tunghai University, Taichung 40704, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Hsin-Yi Wang
- Department of Nuclear Medicine, Taichung Veterans General Hospital, Taichung 40705, Taiwan;
| | - Jer-Tsong Hsieh
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA;
| | - Chih-Ho Lai
- Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
| | - Ho Lin
- Department of Life Sciences, National Chung Hsing University, Taichung 402204, Taiwan; (M.O.); (C.-Y.C.)
- Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402204, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402204, Taiwan
- Correspondence: ; Tel.: +886-4-22840-416 (ext. 311); Fax: +886-4-22874-740
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54
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Morimoto H, Kanatsu-Shinohara M, Orwig KE, Shinohara T. Expression and functional analyses of ephrin type-A receptor 2 in mouse spermatogonial stem cells†. Biol Reprod 2021; 102:220-232. [PMID: 31403678 DOI: 10.1093/biolre/ioz156] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 07/06/2019] [Accepted: 08/02/2019] [Indexed: 12/22/2022] Open
Abstract
Spermatogonial stem cells (SSCs) undergo continuous self-renewal division in response to self-renewal factors. The present study identified ephrin type-A receptor 2 (EPHA2) on mouse SSCs and showed that supplementation of glial cell-derived neurotrophic factor (GDNF) and fibroblast growth factor 2 (FGF2), which are both SSC self-renewal factors, induced EPHA2 expression in cultured SSCs. Spermatogonial transplantation combined with magnetic-activated cell sorting or fluorescence-activated cell sorting also revealed that EPHA2 was expressed in SSCs. Additionally, ret proto-oncogene (RET) phosphorylation levels decreased following the knockdown (KD) of Epha2 expression via short hairpin ribonucleic acid (RNA). Although the present immunoprecipitation experiments did not reveal an association between RET with EPHA2, RET interacted with FGFR2. The Epha2 KD decreased the proliferation of cultured SSCs and inhibited the binding of cultured SSCs to laminin-coated plates. The Epha2 KD also significantly reduced the colonization of testis cells by spermatogonial transplantation. EPHA2 was also expressed in human GDNF family receptor alpha 1-positive spermatogonia. The present results indicate that SSCs express EPHA2 and suggest that it is a critical modifier of self-renewal signals in SSCs.
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Affiliation(s)
- Hiroko Morimoto
- Department of Molecular Genetics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Mito Kanatsu-Shinohara
- Department of Molecular Genetics, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Agency for Medical Research and Development-Core Research for Evolutional Science and Technology, Tokyo, Japan
| | - Kyle E Orwig
- Department of Obstetrics, Gynecology and Reproductive Sciences, School of Medicine, Magee-Womens Research Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Takashi Shinohara
- Department of Molecular Genetics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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55
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Capellini A, Williams M, Onel K, Huang KL. The Functional Hallmarks of Cancer Predisposition Genes. Cancer Manag Res 2021; 13:4351-4357. [PMID: 34103990 PMCID: PMC8179747 DOI: 10.2147/cmar.s311548] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/08/2021] [Indexed: 11/23/2022] Open
Abstract
The canonical model for hereditary cancer predisposition is a cancer predisposition gene (CPG) that drives either one or both of two fundamental hallmarks of cancer, defective genomic integrity and deregulated cell proliferation, ultimately resulting in the accumulation of mutations within cells. Thus, the genes most commonly associated with cancer-predisposing genetic syndromes are tumor suppressor genes that regulate DNA repair (eg, BRCA1, BRCA2, MMR genes) and/or cell cycle (eg, APC, RB1). In recent years, however, the spectrum of high-penetrance CPGs has expanded considerably to include genes in non-canonical pathways such as oncogenic signaling, metabolism, and protein translation. We propose here that, given the variety of pathways that may ultimately affect genome integrity and cell proliferation, the model of cancer genetic predisposition needs to be expanded to account for diverse mechanisms. This synthesis calls for modeling and multi-omic studies applying novel experimental and computational approaches to understand cancer genetic predisposition.
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Affiliation(s)
- Alexandra Capellini
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA
| | - Matthew Williams
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA
| | - Kenan Onel
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA.,Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA.,Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA
| | - Kuan-Lin Huang
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA.,Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA.,Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, USA, New York, NY, 10029, USA
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56
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Discovery and optimization of selective RET inhibitors via scaffold hopping. Bioorg Med Chem Lett 2021; 47:128149. [PMID: 34058344 DOI: 10.1016/j.bmcl.2021.128149] [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: 03/31/2021] [Revised: 05/18/2021] [Accepted: 05/25/2021] [Indexed: 10/21/2022]
Abstract
Aberrant alterations of rearranged during transfection (RET) have been identified as actionable drivers of multiple cancers, including thyroid carcinoma and lung cancer. Currently, several approved multikinase inhibitors such as vandetanib and cabozantinib demonstrate clinical activity in patients with RET-rearranged or RET-mutant cancers. However, the observed response rates are only modest and the 'off-target' toxicities resulted from the inhibition of other kinases is also a concern. Herein, we designed and synthesized a series of RET inhibitors based on the structure of selective RET inhibitor BLU-667 and investigated their biological activities. We identified compound 9 as a novel potent and selective RET inhibitor with improved drug-like properties. Compound 9 exhibits a selective inhibitory profile with an inhibitory concentration 50 (IC50) of 1.29 nM for RET and 1.97 (RET V804M) or 0.99 (RET M918T) for mutant RETs. The proliferation of Ba/F3 cells transformed with NSCLC related KIF5B-RET fusion was effectively suppressed by compound 9 (IC50 = 19 nM). Additionally, compound 9 displayed less 'off-target' effects than BLU-667. In mouse xenograft models, compound 9 repressed tumor growth driven by KIF5B-RET-Ba/F3 cells in a dose-dependent manner. Based on its exceptional kinase selectivity, good potency and high exposure in tumor tissues, compound 9 represents a promising lead for the discovery of RET directed therapeutic agents and the study of RET-driven tumor biology.
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57
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Parums DV. Editorial: 2021 European Society for Medical Oncology (ESMO) Recommendations on Laboratory Diagnostics for RET Gene Fusions and Mutations: A New Era in Targeted Therapy for RET-Altered Solid Tumors. MEDICAL SCIENCE MONITOR : INTERNATIONAL MEDICAL JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2021; 27:e933206. [PMID: 34024902 PMCID: PMC8162049 DOI: 10.12659/msm.933206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
During the past four decades, the identification of phenotypic changes in malignant tumor cells has been refined by the standardization of immunohistochemistry methods. Regulatory-approved companion diagnostics were initially developed for immunohistochemistry and to support early tumor tissue-based clinical trials. In the last decade, molecular profiling and gene sequencing data have identified specific molecular targets that have resulted in increasing drug development programs and regulatory approvals. As an example, RET-altered cancers include RET gene mutations and RET gene fusions. In January 2021, the European Society for Medical Oncology (ESMO) published new guidelines for routine clinical laboratory detection of targetable RET gene rearrangements and mutations. FDA approval has now been given for selpercatinib for RET fusion-positive NSCLC and papillary thyroid cancer, and RET mutation-positive thyroid cancer. This Editorial aims to present a brief overview of the evolution of personalized medicine in oncology and how the 2021 ESMO guidelines have anticipated the need to detect targetable RET-altered tumors using technology currently available in accredited clinical diagnostic laboratories.
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Affiliation(s)
- Dinah V Parums
- Science Editor, Medical Science Monitor, International Scientific Information, Inc., Melville, NY, USA
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58
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Saha D, Ryan KR, Lakkaniga NR, Smith EL, Frett B. Pyrazoloadenine Inhibitors of the RET Lung Cancer Oncoprotein Discovered by a Fragment Optimization Approach. ChemMedChem 2021; 16:1605-1608. [PMID: 33559353 PMCID: PMC9969764 DOI: 10.1002/cmdc.202100013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/01/2021] [Indexed: 12/24/2022]
Abstract
A fragment-based drug-discovery approach was used on a pyrazoloadenine fragment library to uncover new molecules that target the RET (REarranged during Transfection) oncoprotein, which is a driver oncoprotein in ∼2 % of non-small-cell lung cancers. The fragment library was screened against the RET kinase and LC-2/ad (RET-driven), KM-12 (TRKA-driven matched control) and A549 (cytotoxic control) cells to identify selective scaffolds that could inhibit RET-driven growth. An unsubstituted pyrazoloadenine fragment was found to be active on RET in a biochemical assay, but reduced cell viability in non-RET-driven cell lines (EC50 =1 and 3 μM, respectively). To increase selectivity for RET, the pyrazoloadenine was modeled in the RET active site, and two domains were identified that were probed with pyrazoloadenine fragment derivatives to improve RET affinity. Scaffolds at each domain were merged to generate a novel lead compound, 8 p, which exhibited improved activity and selectivity for the RET oncoprotein (A549 EC50 =5.92 μM, LC-2/ad EC50 =0.016 μM, RET IC50 =0.000326 μM).
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Affiliation(s)
- Debasmita Saha
- Department of Pharmaceutical Sciences, College of Pharm
acy, University of Arkansas for Medical Sciences, Little Rock, AR USA
| | - Katie Rose Ryan
- Department of Biochemistry and Molecular Biology, College
of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR USA
| | - Naga Rajiv Lakkaniga
- Department of Pharmaceutical Sciences, College of Pharm
acy, University of Arkansas for Medical Sciences, Little Rock, AR USA,SmartBio Labs, Chennai, India
| | - Erica Lane Smith
- Department of Pharmaceutical Sciences, College of Pharm
acy, University of Arkansas for Medical Sciences, Little Rock, AR USA
| | - Brendan Frett
- Department of Pharmaceutical Sciences, College of Pharm
acy, University of Arkansas for Medical Sciences, Little Rock, AR USA
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59
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Multiple endocrine neoplasia type 2: A reveiw. Semin Cancer Biol 2021; 79:163-179. [PMID: 33812987 DOI: 10.1016/j.semcancer.2021.03.035] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 03/13/2021] [Accepted: 03/27/2021] [Indexed: 12/16/2022]
Abstract
Multiple endocrine neoplasias are rare hereditary syndromes some of them with malignant potential. Multiple endocrine neoplasia type 2 (MEN 2) is an autosomal dominant hereditary cancer syndrome due to germline variants in the REarranged during Transfection (RET) proto-oncogene. There are two distinct clinical entities: MEN 2A and MEN 2B. MEN 2A is associated with medullary thyroid carcinoma (MTC), phaeochromocytoma, primary hyperparathyroidism, cutaneous lichen amyloidosis and Hirschprung's disease and MEN 2B with MTC, phaeochromocytoma, ganglioneuromatosis of the aerodigestive tract, musculoskeletal and ophthalmologic abnormalities. Germline RET variants causing MEN 2 result in gain-of-function; since the discovery of the genetic variants a thorough search for genotype-phenotype associations began in order to understand the high variability both between families and within family members. These studies have successfully led to improved risk classification of prognosis in relation to the genotype, thus improving the management of the patients by thorough genetic counseling. The present review summarizes the recent developments in the knowledge of these hereditary syndromes as well as the impact on clinical management, including genetic counseling, of both individual patients and families. It furthermore points to future directions of research for better clarification of timing of treatments of the various manifestations of the syndromes in order to improve survival and morbidity in these patients.
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60
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Therapeutic strategies in RET gene rearranged non-small cell lung cancer. J Hematol Oncol 2021; 14:50. [PMID: 33771190 PMCID: PMC7995721 DOI: 10.1186/s13045-021-01063-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/12/2021] [Indexed: 12/13/2022] Open
Abstract
The recent approvals by the Food and Drug Administration several tumor-agnostic drugs have resulted in a paradigm shift in cancer treatment from an organ/histology-specific strategy to biomarker-guided approaches. RET gene fusions are oncogenic drivers in multiple tumor types and are known to occur in 1-2% of non-squamous NSCLC patients. RET gene fusions give rise to chimeric, cytosolic proteins with constitutively active RET kinase domain. Standard therapeutic regimens provide limited benefit for NSCLC patients with RET fusion-positive tumors, and the outcomes with immunotherapy in the these patients are generally poor. Selpercatinib (LOXO-292) and pralsetinib (BLU-667) are potent and selective inhibitors that target RET alterations, including fusions and mutations, irrespective of the tissue of origin. Recently, the results from the LIBRETTO-001 and ARROW clinical trials demonstrated significant clinical benefits with selpercatinib and pralsetinib respectively, in NSCLC patients with RET gene fusions, with tolerable toxicity profiles. These studies also demonstrated that these RET-TKIs crossed the blood brain barrier with significant activity. As has been observed with other TKIs, the emergence of acquired resistance may limit long-term efficacy of these agents. Therefore, understanding the mechanisms of resistance is necessary for the development of strategies to overcome them.
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61
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Fancelli S, Caliman E, Mazzoni F, Brugia M, Castiglione F, Voltolini L, Pillozzi S, Antonuzzo L. Chasing the Target: New Phenomena of Resistance to Novel Selective RET Inhibitors in Lung Cancer. Updated Evidence and Future Perspectives. Cancers (Basel) 2021; 13:cancers13051091. [PMID: 33806299 PMCID: PMC7961559 DOI: 10.3390/cancers13051091] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/13/2021] [Accepted: 02/26/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary REarranged during Transfection (RET) is an emerging target for several types of cancer, including non-small cell lung cancer (NSCLC). The recent U.S. FDA approval of pralsetinib and selpercatinib raises issues regarding the emergence of secondary mutations and amplifications involved in parallel signaling pathways and receptors, liable for resistance mechanisms. The aim of this review is to explore recent knowledge on RET resistance in NSCLC in pre-clinic and in clinical settings and accordingly, the state-of-the-art in new drugs or combination of drugs development. Abstract The potent, RET-selective tyrosine kinase inhibitors (TKIs) pralsetinib and selpercatinib, are effective against the RET V804L/M gatekeeper mutants, however, adaptive mutations that cause resistance at the solvent front RET G810 residue have been found, pointing to the need for the development of the next-generation of RET-specific TKIs. Also, as seen in EGFR- and ALK-driven NSCLC, the rising of the co-occurring amplifications of KRAS and MET could represent other escaping mechanisms from direct inhibition. In this review, we summarize actual knowledge on RET fusions, focusing on those involved in NSCLC, the results of main clinical trials of approved RET-inhibition drugs, with particular attention on recent published results of selective TKIs, and finally, pre-clinical evidence regarding resistance mechanisms and suggestion on hypothetical and feasible drugs combinations and strategies viable in the near future.
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Affiliation(s)
- Sara Fancelli
- Medical Oncology Unit, Careggi University Hospital, 50134 Florence, Italy; (S.F.); (E.C.); (F.M.); (M.B.); (S.P.)
| | - Enrico Caliman
- Medical Oncology Unit, Careggi University Hospital, 50134 Florence, Italy; (S.F.); (E.C.); (F.M.); (M.B.); (S.P.)
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy;
| | - Francesca Mazzoni
- Medical Oncology Unit, Careggi University Hospital, 50134 Florence, Italy; (S.F.); (E.C.); (F.M.); (M.B.); (S.P.)
| | - Marco Brugia
- Medical Oncology Unit, Careggi University Hospital, 50134 Florence, Italy; (S.F.); (E.C.); (F.M.); (M.B.); (S.P.)
| | - Francesca Castiglione
- Pathological Histology and Molecular Diagnostics Unit, Careggi University Hospital, 50134 Florence, Italy;
| | - Luca Voltolini
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy;
- Thoraco-Pulmonary Surgery Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Serena Pillozzi
- Medical Oncology Unit, Careggi University Hospital, 50134 Florence, Italy; (S.F.); (E.C.); (F.M.); (M.B.); (S.P.)
| | - Lorenzo Antonuzzo
- Medical Oncology Unit, Careggi University Hospital, 50134 Florence, Italy; (S.F.); (E.C.); (F.M.); (M.B.); (S.P.)
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy;
- Correspondence: ; Tel.: +39-055-7948406
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62
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Belli C, Penault-Llorca F, Ladanyi M, Normanno N, Scoazec JY, Lacroix L, Reis-Filho JS, Subbiah V, Gainor JF, Endris V, Repetto M, Drilon A, Scarpa A, André F, Douillard JY, Curigliano G. ESMO recommendations on the standard methods to detect RET fusions and mutations in daily practice and clinical research. Ann Oncol 2021; 32:337-350. [PMID: 33455880 DOI: 10.1016/j.annonc.2020.11.021] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/26/2020] [Accepted: 11/28/2020] [Indexed: 12/17/2022] Open
Abstract
Aberrant activation of RET is a critical driver of growth and proliferation in diverse solid tumours. Multikinase inhibitors (MKIs) showing anti-RET activities have been tested in RET-altered tumours with variable results. The low target specificity with consequent increase in side-effects and off-target toxicities resulting in dose reduction and drug discontinuation are some of the major issues with MKIs. To overcome these issues, new selective RET inhibitors such as pralsetinib (BLU-667) and selpercatinib (LOXO-292) have been developed in clinical trials, with selpercatinib recently approved by the Food and Drug Administration (FDA). The results of these trials showed marked and durable antitumour activity and manageable toxicity profiles in patients with RET-altered tumours. The European Society for Medical Oncology (ESMO) Translational Research and Precision Medicine Working Group (TR and PM WG) launched a collaborative project to review the available methods for the detection of RET gene alterations, their potential applications and strategies for the implementation of a rational approach for the detection of RET fusion genes and mutations in human malignancies. We present here recommendations for the routine clinical detection of targetable RET rearrangements and mutations.
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Affiliation(s)
- C Belli
- Division of Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy
| | - F Penault-Llorca
- University Clermont Auvergne, INSERM U1240, Centre Jean Perrin, Department of BioPathology, Clermont-Ferrand, France
| | - M Ladanyi
- Department of Pathology and Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA
| | - N Normanno
- Cell Biology and Biotherapy Unit, Istituto Nazionale Tumori "Fondazione G. Pascale"-IRCCS, Naples, Italy
| | - J-Y Scoazec
- AMMICa, CNRS-UMS 3655 and INSERM-US23, Gustave Roussy, Villejuif, France; Department of Pathology and Translational Research, Gustave Roussy Cancer Centre, Villejuif, France
| | - L Lacroix
- Translational Research Laboratory and Biobank, Gustave Roussy, Villejuif, France; Inserm U981, Gustave Roussy, Villejuif, France; Department of Medical Biology and Pathology, Gustave Roussy, Villejuif, France
| | - J S Reis-Filho
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, USA
| | - V Subbiah
- The University of Texas MD Anderson Cancer Center, Houston, USA
| | - J F Gainor
- Massachusetts General Hospital, Boston, USA
| | - V Endris
- Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - M Repetto
- Division of Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - A Drilon
- Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA; Department of Medicine, Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, USA
| | - A Scarpa
- ARC-Net Research Centre and Department of Diagnostics and Public Health - Section of Pathology, University of Verona, Verona, Italy
| | - F André
- Gustave Roussy Cancer Center, Villejuif, France
| | - J-Y Douillard
- Scientific and Medical Division, European Society for Medical Oncology, Lugano, Switzerland
| | - G Curigliano
- Division of Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy.
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63
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Yang SR, Aypar U, Rosen EY, Mata DA, Benayed R, Mullaney K, Jayakumaran G, Zhang Y, Frosina D, Drilon A, Ladanyi M, Jungbluth AA, Rekhtman N, Hechtman JF. A Performance Comparison of Commonly Used Assays to Detect RET Fusions. Clin Cancer Res 2021; 27:1316-1328. [PMID: 33272981 PMCID: PMC8285056 DOI: 10.1158/1078-0432.ccr-20-3208] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/23/2020] [Accepted: 11/30/2020] [Indexed: 01/02/2023]
Abstract
PURPOSE Selpercatinib and pralsetinib induce deep and durable responses in patients with advanced RET fusion-positive lung and thyroid cancer. RET fusion testing strategies with rapid and reliable results are critical given recent FDA approval. Here, we assess various clinical assays in a large pan-cancer cohort. EXPERIMENTAL DESIGN Tumors underwent DNA-based next-generation sequencing (NGS) with reflex to RNA-based NGS if no mitogenic driver or if a RET structural variant of unknown significance (SVUS) were present. Canonical DNA-level RET fusions and RNA-confirmed RET fusions were considered true fusions. Break-apart FISH and IHC performance were assessed in subgroups. RESULTS A total of 171 of 41,869 patients with DNA NGS harbored RET structural variants, including 139 canonical fusions and 32 SVUS. Twelve of 32 (37.5%) SVUS were transcribed into RNA-level fusions, resulting in 151 oncogenic RET fusions. The most common RET fusion-positive tumor types were lung (65.6%) and thyroid (23.2%). The most common partners were KIF5B (45%), CCDC6 (29.1%), and NCOA4 (13.3%). DNA NGS showed 100% (46/46) sensitivity and 99.6% (4,459/4,479) specificity. FISH showed 91.7% (44/48) sensitivity, with lower sensitivity for NCOA4-RET (66.7%, 8/12). A total of 87.5% (7/8) of RET SVUS negative for RNA-level fusions demonstrated rearrangement by FISH. The sensitivity of IHC varied by fusion partner: KIF5B sensitivity was highest (100%, 31/31), followed by CCDC6 (88.9%, 16/18) and NCOA4 (50%, 6/12). Specificity of RET IHC was 82% (73/89). CONCLUSIONS Although DNA sequencing has high sensitivity and specificity, RNA sequencing of RET SVUS is necessary. Both FISH and IHC demonstrated lower sensitivity for NCOA4-RET fusions.
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Affiliation(s)
- Soo-Ryum Yang
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York.
| | - Umut Aypar
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ezra Y Rosen
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Douglas A Mata
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ryma Benayed
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kerry Mullaney
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gowtham Jayakumaran
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Yanming Zhang
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Denise Frosina
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Alexander Drilon
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Marc Ladanyi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Achim A Jungbluth
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Natasha Rekhtman
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jaclyn F Hechtman
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
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Zhu FB, Gou QH, Zhao LY. The Efficacy and Safety of RET-selective Inhibitors for Cancer Patients. JOURNAL OF EXPLORATORY RESEARCH IN PHARMACOLOGY 2021; 000:000-000. [DOI: 10.14218/jerp.2020.00035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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65
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Tilak M, Holborn J, New LA, Lalonde J, Jones N. Receptor Tyrosine Kinase Signaling and Targeting in Glioblastoma Multiforme. Int J Mol Sci 2021; 22:1831. [PMID: 33673213 PMCID: PMC7918566 DOI: 10.3390/ijms22041831] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 12/20/2022] Open
Abstract
Glioblastoma multiforme (GBM) is amongst the deadliest of human cancers, with a median survival rate of just over one year following diagnosis. Characterized by rapid proliferation and diffuse infiltration into the brain, GBM is notoriously difficult to treat, with tumor cells showing limited response to existing therapies and eventually developing resistance to these interventions. As such, there is intense interest in better understanding the molecular alterations in GBM to guide the development of more efficient targeted therapies. GBM tumors can be classified into several molecular subtypes which have distinct genetic signatures, and they show aberrant activation of numerous signal transduction pathways, particularly those connected to receptor tyrosine kinases (RTKs) which control glioma cell growth, survival, migration, invasion, and angiogenesis. There are also non-canonical modes of RTK signaling found in GBM, which involve G-protein-coupled receptors and calcium channels. This review uses The Cancer Genome Atlas (TCGA) GBM dataset in combination with a data-mining approach to summarize disease characteristics, with a focus on select molecular pathways that drive GBM pathogenesis. We also present a unique genomic survey of RTKs that are frequently altered in GBM subtypes, as well as catalog the GBM disease association scores for all RTKs. Lastly, we discuss current RTK targeted therapies and highlight emerging directions in GBM research.
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Affiliation(s)
| | | | | | | | - Nina Jones
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada; (M.T.); (J.H.); (L.A.N.); (J.L.)
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Lu C, Zhou Q. Diagnostics, therapeutics and RET inhibitor resistance for RET fusion-positive non-small cell lung cancers and future perspectives. Cancer Treat Rev 2021; 96:102153. [PMID: 33773204 DOI: 10.1016/j.ctrv.2021.102153] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 12/08/2020] [Accepted: 01/02/2021] [Indexed: 12/17/2022]
Abstract
Selective RET inhibitors is the current hot topic, making multikinase inhibitors a thing of the past. However, the limitation of various test approaches, coupled with lack of knowledge of acquired resistance mechanisms, and specific patient groups that bear special consideration, remains a challenge. Herein, we outline utility of various diagnostic techniques, provide evidence to guide management of RET-fusion-positive Non-Small Cell Lung Cancer (NSCLC) patients, including specific patient groups, such as EGFR-mutant NSCLC patients who acquired RET fusions after resisting EGFR TKIs, and offer a compendium of mechanisms of acquired resistance to RET targeted therapies. This review further provides a list of ongoing clinical trials and summarizes perspectives to guide future development of drugs and trials for this population.
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Affiliation(s)
- Chang Lu
- Guangdong Lung Cancer Institute, Guangdong Provincial People's Hospital, and Guangdong Academy of Medical Sciences, Guangzhou, China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Qing Zhou
- Guangdong Lung Cancer Institute, Guangdong Provincial People's Hospital, and Guangdong Academy of Medical Sciences, Guangzhou, China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China.
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Hayashi T, Odintsov I, Smith RS, Ishizawa K, Liu AJW, Delasos L, Kurzatkowski C, Tai H, Gladstone E, Vojnic M, Kohsaka S, Suzawa K, Liu Z, Kunte S, Mattar MS, Khodos I, Davare MA, Drilon A, Cheng E, Stanchina ED, Ladanyi M, Somwar R. RET inhibition in novel patient-derived models of RET-fusion positive lung adenocarcinoma reveals a role for MYC upregulation. Dis Model Mech 2020; 14:dmm.047779. [PMID: 33318047 PMCID: PMC7888717 DOI: 10.1242/dmm.047779] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 12/08/2020] [Indexed: 11/25/2022] Open
Abstract
Multi-kinase RET inhibitors, such as cabozantinib and RXDX-105, are active in lung cancer patients with RET fusions; however, the overall response rates to these two drugs are unsatisfactory compared to other targeted therapy paradigms. Moreover, these inhibitors may have different efficacies against RET rearrangements depending on the upstream fusion partner. A comprehensive preclinical analysis of the efficacy of RET inhibitors is lacking due to a paucity of disease models harboring RET rearrangements. Here we generated two new patient-derived xenograft (PDX) models, one new patient-derived cell line, one PDX-derived cell line, and several isogenic cell lines with RET fusions. Using these models, we re-examined the efficacy and mechanism of action of cabozantinib and found that this RET inhibitor was effective at blocking growth of cell lines, activating caspase 3/7 and inhibiting activation of ERK and AKT. Cabozantinib treatment of mice bearing RET-fusion-positive cell line xenografts and two PDXs significantly reduced tumor proliferation without adverse toxicity. Moreover, cabozantinib was effective at reducing growth of a lung cancer PDX that was not responsive to RXDX-105. Transcriptomic analysis of lung tumors and cell lines with RET alterations showed activation of a MYC signature and this was suppressed by treatment of cell lines with cabozantinib. MYC protein levels were rapidly depleted following cabozantinib treatment. Taken together, our results demonstrate that cabozantinib is an effective agent in preclinical models harboring RET rearrangements with three different 5' fusion partners (CCDC6, KIF5B and TRIM33). Notably, we identify MYC as a protein that is upregulated by RET expression and down-regulated by cabozantinib treatment, opening up potentially new therapeutic avenues for combinatorial targeting RET-fusion driven lung cancers. The novel RET fusion-dependent preclinical models described herein represent valuable tools for further refinement of current therapies and the evaluation of novel therapeutic strategies.
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Affiliation(s)
- Takuo Hayashi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Current address: Department of Human Pathology, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo, Japan
| | - Igor Odintsov
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Roger S Smith
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Current address: Medical Scientist Training Program, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Kota Ishizawa
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Allan J W Liu
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, China
| | - Lukas Delasos
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Huichun Tai
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Eric Gladstone
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Morana Vojnic
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Shinji Kohsaka
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ken Suzawa
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Zebing Liu
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Siddharth Kunte
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Marissa S Mattar
- Anti-tumor Core Facility, Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Inna Khodos
- Anti-tumor Core Facility, Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Monika A Davare
- Department of Pediatrics, Oregon Health Sciences University, USA
| | - Alexander Drilon
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Emily Cheng
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Elisa de Stanchina
- Anti-tumor Core Facility, Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Marc Ladanyi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Romel Somwar
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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Li X, Su J, Yang Y, Lian W, Deng Z, Yang Z, Chen G, Zhang B, Dong C, Liu X, Li L, Wang Z, Hu Z, Xu Q, Deng X. Discovery of 4-methyl-N-(4-((4-methylpiperazin- 1-yl)methyl)-3-(trifluoromethyl)phenyl)-3-((6-(pyridin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-oxy)benzamide as a potent inhibitor of RET and its gatekeeper mutant. Eur J Med Chem 2020; 207:112755. [PMID: 32882611 DOI: 10.1016/j.ejmech.2020.112755] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/26/2020] [Accepted: 07/19/2020] [Indexed: 11/17/2022]
Abstract
The receptor tyrosine kinase rearranged during transfection (RET) plays pivotal roles in several cancers, including thyroid carcinoma and non-small cell lung cancer (NSCLC). Currently, there are several FDA-approved RET inhibitors, but their indication is limited to thyroid cancer, and none can overcome their gatekeeper mutants (V804L and V804M). Here, we report the discovery of 9x representing a new chemotype of potent and selective RET inhibitors, using a rational design strategy of type II kinase inhibitors. 9x exhibited both superior antiproliferative activities against NSCLC-related carcinogenic fusions KIF5B-RET and CCDC6-RET and gatekeeper mutant-transformed Ba/F3 cells, with the lowest GI50 of 9 nM, and substantial inhibitory activities against wild-type RET and RET mutant proteins, with the best IC50 of 4 nM. More importantly, 9x also showed nanomole potency against RET-positive NSCLC cells LC-2/ad, but not against a panel of RET-negative cancer cells, such as A549, H3122, A375 or parental Ba/F3 cells, demonstrating its selective 'on-target' effect. In mouse xenograft models, 9x repressed tumor growth driven by both wild type KIF5B-RET-Ba/F3 and gatekeeper mutant KIF5B-RET(V804M)-Ba/F3 cells in a dose-dependent manner. Together, these data establish that 9x provides a good starting point for the development of targeted therapeutics against RET-positive cancers, especially NSCLC.
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Affiliation(s)
- Xiaoyang Li
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Jingyi Su
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Yanru Yang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Wenhua Lian
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Zhou Deng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Zaiyou Yang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Guyue Chen
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Baoding Zhang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Chao Dong
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Xueyan Liu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Li Li
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Zheng Wang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Zhiyu Hu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Qingyan Xu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Xianming Deng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China; State-province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China.
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Nagy N, Guyer RA, Hotta R, Zhang D, Newgreen DF, Halasy V, Kovacs T, Goldstein AM. RET overactivation leads to concurrent Hirschsprung disease and intestinal ganglioneuromas. Development 2020; 147:dev190900. [PMID: 32994173 PMCID: PMC7657479 DOI: 10.1242/dev.190900] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 09/08/2020] [Indexed: 12/17/2022]
Abstract
Appropriately balanced RET signaling is of crucial importance during embryonic neural crest cell migration, proliferation and differentiation. RET deficiency, for example, leads to intestinal aganglionosis (Hirschsprung disease), whereas overactive RET can lead to multiple endocrine neoplasia (MEN) syndromes. Some RET mutations are associated with both intestinal aganglionosis and MEN-associated tumors. This seemingly paradoxical occurrence has led to speculation of a 'Janus mutation' in RET that causes overactivation or impairment of RET activity depending on the cellular context. Using an intestinal catenary culture system to test the effects of GDNF-mediated RET activation, we demonstrate the concurrent development of distal colonic aganglionosis and intestinal ganglioneuromas. Interestingly, the tumors induced by GDNF stimulation contain enteric neuronal progenitors capable of reconstituting an enteric nervous system when transplanted into a normal developmental environment. These results suggest that a Janus mutation may not be required to explain co-existing Hirschsprung disease and MEN-associated tumors, but rather that RET overstimulation alone is enough to cause both phenotypes. The results also suggest that reprogramming tumor cells toward non-pathological fates may represent a possible therapeutic avenue for MEN-associated neoplasms.
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Affiliation(s)
- Nandor Nagy
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Richard A Guyer
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Ryo Hotta
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Dongcheng Zhang
- Neural Crest Group, Murdoch Children's Research Institute, Parkville, VIC 3052, Australia
| | - Donald F Newgreen
- Neural Crest Group, Murdoch Children's Research Institute, Parkville, VIC 3052, Australia
| | - Viktoria Halasy
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Tamas Kovacs
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Allan M Goldstein
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
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A Molecular Dynamics Study Proposing the Existence of Structural Interaction Between Cancer Cell Receptor and RNA Aptamer. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01740-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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71
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Ding S, Wang R, Peng S, Luo X, Zhong L, Yang H, Ma Y, Chen S, Wang W. Targeted therapies for RET-fusion cancer: Dilemmas and breakthrough. Biomed Pharmacother 2020; 132:110901. [PMID: 33125973 DOI: 10.1016/j.biopha.2020.110901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 10/04/2020] [Accepted: 10/14/2020] [Indexed: 11/29/2022] Open
Abstract
Genomic profiling has revolutionized treatment options for patients with oncogene-driven cancers, such as epidermal growth factor receptor (EGFR) mutant carcinoma. Rearranged during transfection (RET) rearrangement, as one of the main activated oncogenes, has been well studied and found to be involved in the malignant behavior of carcinogenesis, resulting in acquired resistance to EGFR tyrosine kinase inhibitors and inducing an intrinsic resistance to immunotherapy. Thus, targeted therapies have been investigated against RET arrangement cancers, including several multi-kinase inhibitors and selective RET inhibitors. However, modest efficacy, a relatively high rate of toxicity, and poor effectiveness against brain metastasis are common limitations of multi-targeted novel molecular inhibitors. A promising prospect was shown recently in selective RET inhibitors in several ongoing clinical trials. In this review, we reviewed the concurrent dilemmas of targeted therapies against RET arrangement cancer from preclinical and clinical studies and proposed several clinical considerations for clinical practice prospectively.
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Affiliation(s)
- SiJie Ding
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Rong Wang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - ShunLi Peng
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Xiaoqing Luo
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - LongHui Zhong
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Hong Yang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China; Department of Oncology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, PR China
| | - YueYun Ma
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - ShiYu Chen
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Wei Wang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China.
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Lamberti G, Andrini E, Sisi M, Rizzo A, Parisi C, Di Federico A, Gelsomino F, Ardizzoni A. Beyond EGFR, ALK and ROS1: Current evidence and future perspectives on newly targetable oncogenic drivers in lung adenocarcinoma. Crit Rev Oncol Hematol 2020; 156:103119. [PMID: 33053439 DOI: 10.1016/j.critrevonc.2020.103119] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/31/2020] [Accepted: 09/27/2020] [Indexed: 02/06/2023] Open
Abstract
Lung cancer is the leading cause of cancer death worldwide. In the past decade EGFR, ALK and ROS1 TKIs lead to an unprecedented survival improvement of oncogene-addicted NSCLC patients, with better toxicity profile compared to chemotherapy. In recent years the implementation of high-throughput sequencing platforms led to the identification of uncommon molecular alterations in oncogenic drivers, such as BRAF, MET, RET, HER2 and NTRK. Moreover, newly developed drugs have been found to be active against hard to target drivers, such as KRAS. Specific TKIs targeting these genomic alterations are currently in clinical development and showed impressive activity and survival improvement, leading to FDA-accelerated approval for some of them. However, virtually all patients develop resistance to TKIs by on-target or off-target mechanisms. Here we review the clinicopathological features, the emerging targeted therapies and mechanisms of resistance and strategies to overcome them of KRAS, BRAF, MET, RET, HER2 and NTRK-addicted advanced NSCLCs.
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Affiliation(s)
- Giuseppe Lamberti
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Elisa Andrini
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Monia Sisi
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Alessandro Rizzo
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Claudia Parisi
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Alessandro Di Federico
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Francesco Gelsomino
- Oncologia Medica, Azienda Ospedaliero-Universitaria di Bologna, Via Albertoni - 15, Bologna, Italy.
| | - Andrea Ardizzoni
- Department of Specialized, Experimental and Diagnostic Medicine, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy; Oncologia Medica, Azienda Ospedaliero-Universitaria di Bologna, Via Albertoni - 15, Bologna, Italy
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73
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Fujimura T, Furugaki K, Harada N, Yoshimura Y. Enhanced antitumor effect of alectinib in combination with cyclin-dependent kinase 4/6 inhibitor against RET-fusion-positive non-small cell lung cancer cells. Cancer Biol Ther 2020; 21:863-870. [PMID: 32835580 DOI: 10.1080/15384047.2020.1806643] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Rearranged during transfection (RET) fusion-positive non-small cell lung cancer (NSCLC) accounts for 1% of lung adenocarcinoma. Although small molecule agents with RET kinase inhibitory activity such as alectinib, vandetanib, and cabozantinib have been clinically evaluated in RET-fusion-positive NSCLC, an effective monotherapy regimen has not been established. We explored agents to use in combination with alectinib to enhance the antitumor effect of alectinib against RET-fusion cells. Cell proliferation under co-treatment with alectinib plus each of six chemotherapeutic agents or six molecularly targeted agents was evaluated in vitro. The combination effect was analyzed by IC50 isobologram and combination index using LC-2/ad and Ba/F3-KIF5B-RET cells. The in vivo combination effect was investigated in a Ba/F3-KIF5B-RET xenograft model. The phosphorylation levels of proteins regulating proliferation were measured by immunoblotting. Palbociclib, a CDK4/6 inhibitor, showed the greatest synergy against LC-2/ad cells in the isobologram analysis and combination index. This synergistic effect was also observed against Ba/F3-KIF5B-RET cells. Another CDK4/6 inhibitor, abemaciclib, also showed a synergistic effect. In vivo, the combination of alectinib plus palbociclib showed a more enhanced antitumor effect than each single agent in a mouse xenograft model with transplanted Ba/F3-KIF5B-RET cells. This combination suppressed the phosphorylation of S6 and Rb more intensely than did either single agent in both LC-2/ad and Ba/F3-KIF5B-RET cell lines, both in vitro and in vivo. Combination therapy with alectinib plus the CDK4/6 inhibitor enhanced the antitumor effect against RET-fusion-positive cells in vitro and in vivo.
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Affiliation(s)
- Takaaki Fujimura
- Product Research Department, Kamakura Research Laboratories, Chugai Pharmaceutical , Kanagawa, Japan
| | - Koh Furugaki
- Product Research Department, Kamakura Research Laboratories, Chugai Pharmaceutical , Kanagawa, Japan
| | - Naoki Harada
- Product Research Department, Kamakura Research Laboratories, Chugai Pharmaceutical , Kanagawa, Japan
| | - Yasushi Yoshimura
- Product Research Department, Kamakura Research Laboratories, Chugai Pharmaceutical , Kanagawa, Japan
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74
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VanDeusen HR, Ramroop JR, Morel KL, Bae SY, Sheahan AV, Sychev Z, Lau NA, Cheng LC, Tan VM, Li Z, Petersen A, Lee JK, Park JW, Yang R, Hwang JH, Coleman I, Witte ON, Morrissey C, Corey E, Nelson PS, Ellis L, Drake JM. Targeting RET Kinase in Neuroendocrine Prostate Cancer. Mol Cancer Res 2020; 18:1176-1188. [PMID: 32461304 PMCID: PMC7415621 DOI: 10.1158/1541-7786.mcr-19-1245] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/01/2020] [Accepted: 05/19/2020] [Indexed: 12/14/2022]
Abstract
The increased treatment of metastatic castration-resistant prostate cancer (mCRPC) with second-generation antiandrogen therapies (ADT) has coincided with a greater incidence of lethal, aggressive variant prostate cancer (AVPC) tumors that have lost dependence on androgen receptor (AR) signaling. These AR-independent tumors may also transdifferentiate to express neuroendocrine lineage markers and are termed neuroendocrine prostate cancer (NEPC). Recent evidence suggests kinase signaling may be an important driver of NEPC. To identify targetable kinases in NEPC, we performed global phosphoproteomics comparing several AR-independent to AR-dependent prostate cancer cell lines and identified multiple altered signaling pathways, including enrichment of RET kinase activity in the AR-independent cell lines. Clinical NEPC patient samples and NEPC patient-derived xenografts displayed upregulated RET transcript and RET pathway activity. Genetic knockdown or pharmacologic inhibition of RET kinase in multiple mouse and human models of NEPC dramatically reduced tumor growth and decreased cell viability. Our results suggest that targeting RET in NEPC tumors with high RET expression could be an effective treatment option. Currently, there are limited treatment options for patients with aggressive neuroendocrine prostate cancer and none are curative. IMPLICATIONS: Identification of aberrantly expressed RET kinase as a driver of tumor growth in multiple models of NEPC provides a significant rationale for testing the clinical application of RET inhibitors in patients with AVPC.
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Affiliation(s)
- Halena R VanDeusen
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, Minnesota
| | - Johnny R Ramroop
- Departments of Cancer Biology and Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Katherine L Morel
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Song Yi Bae
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, Minnesota
| | - Anjali V Sheahan
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Zoi Sychev
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, Minnesota
| | - Nathan A Lau
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Larry C Cheng
- Graduate Program in Quantitative Biomedicine, School of Graduate Studies, Rutgers University, New Brunswick, New Jersey
| | - Victor M Tan
- Graduate Program in Quantitative Biomedicine, School of Graduate Studies, Rutgers University, New Brunswick, New Jersey
| | - Zhen Li
- Cancer Metabolism and Growth Program, Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | - Ashley Petersen
- Division of Biostatistics, School of Public Health, University of Minnesota-Twin Cities, Minneapolis, Minnesota
| | - John K Lee
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Department of Medicine, University of Washington, Seattle, Washington
| | - Jung Wook Park
- Department of Pathology, Duke School of Medicine, Duke University, Durham, North Carolina
- Department of Microbiology, Immunology, and Molecular Genetics, University of California-Los Angeles, Los Angeles, California
| | - Rendong Yang
- The Hormel Institute, University of Minnesota, Austin, Minnesota
| | - Justin H Hwang
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts
| | - Ilsa Coleman
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Owen N Witte
- Department of Microbiology, Immunology, and Molecular Genetics, University of California-Los Angeles, Los Angeles, California
| | - Colm Morrissey
- Department of Urology, University of Washington, Seattle, Washington
| | - Eva Corey
- Department of Urology, University of Washington, Seattle, Washington
| | - Peter S Nelson
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Department of Medicine, University of Washington, Seattle, Washington
| | - Leigh Ellis
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Boston, Massachusetts
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts
| | - Justin M Drake
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, Minnesota.
- Department of Urology, University of Minnesota-Twin Cities, Minneapolis, Minnesota
- Masonic Cancer Center, University of Minnesota-Twin Cities, Minneapolis, Minnesota
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75
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Belli C, Anand S, Gainor JF, Penault-Llorca F, Subbiah V, Drilon A, Andrè F, Curigliano G. Progresses Toward Precision Medicine in RET-altered Solid Tumors. Clin Cancer Res 2020; 26:6102-6111. [PMID: 32665298 DOI: 10.1158/1078-0432.ccr-20-1587] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/08/2020] [Accepted: 07/10/2020] [Indexed: 11/16/2022]
Abstract
RET (rearranged during transfection) gene encodes a receptor tyrosine kinase essential for many physiologic functions, but RET aberrations are involved in many pathologies. While RET loss-of-function mutations are associated with congenital disorders like Hirschsprung disease and CAKUT, RET gain-of-function mutations and rearrangements are critical drivers of tumor growth and proliferation in many different cancers. RET-altered (RET+ ) tumors have been hitherto targeted with multikinase inhibitors (MKI) having anti-RET activities, but they inhibit other kinase targets more potently and show limited clinical activities. The lack of target specificity and consequently increased side effects, responsible for dose reduction and drug discontinuation, are critical limitations of MKIs in the clinics. New selective RET inhibitors, selpercatinib and pralsetinib, are showing promising activities, improved response rates, and more favorable toxicity profiles in early clinical trials. This review critically discusses the oncogenic activation of RET and its role in different kinds of tumors, clinical features of RET+ tumors, clinically actionable genetic RET alterations and their diagnosis, and the available data and results of nonselective and selective targeting of RET.
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Affiliation(s)
- Carmen Belli
- Division of Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy
| | - Santosh Anand
- Department of Genetic Medicine and Development (GEDEV), Faculty of Medicine, University of Geneva Medical School, Geneva, Switzerland.,Department of Informatics, Systems and Communications (DISCo), University of Milano-Bicocca, Milan, Italy
| | | | - Frederique Penault-Llorca
- Department of Biopathology, Centre Jean Perrin and University Clermont Auvergne/INSERM U1240, Clermont-Ferrand, France
| | - Vivek Subbiah
- The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Alexander Drilon
- Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, New York.,Department of Medicine, Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, New York
| | | | - Giuseppe Curigliano
- Division of Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy. .,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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76
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San Román Gil M, Pozas J, Molina-Cerrillo J, Gómez J, Pian H, Pozas M, Carrato A, Grande E, Alonso-Gordoa T. Current and Future Role of Tyrosine Kinases Inhibition in Thyroid Cancer: From Biology to Therapy. Int J Mol Sci 2020; 21:E4951. [PMID: 32668761 PMCID: PMC7403957 DOI: 10.3390/ijms21144951] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 07/10/2020] [Indexed: 12/16/2022] Open
Abstract
Thyroid cancer represents a heterogenous disease whose incidence has increased in the last decades. Although three main different subtypes have been described, molecular characterization is progressively being included in the diagnostic and therapeutic algorithm of these patients. In fact, thyroid cancer is a landmark in the oncological approach to solid tumors as it harbors key genetic alterations driving tumor progression that have been demonstrated to be potential actionable targets. Within this promising and rapid changing scenario, current efforts are directed to improve tumor characterization for an accurate guidance in the therapeutic management. In this sense, it is strongly recommended to perform tissue genotyping to patients that are going to be considered for systemic therapy in order to select the adequate treatment, according to recent clinical trials data. Overall, the aim of this article is to provide a comprehensive review on the molecular biology of thyroid cancer focusing on the key role of tyrosine kinases. Additionally, from a clinical point of view, we provide a thorough perspective, current and future, in the treatment landscape of this tumor.
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MESH Headings
- Adenocarcinoma, Follicular/enzymology
- Adenocarcinoma, Follicular/genetics
- Adenocarcinoma, Follicular/therapy
- Adenoma, Oxyphilic/enzymology
- Adenoma, Oxyphilic/genetics
- Adenoma, Oxyphilic/therapy
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Antineoplastic Agents, Immunological/therapeutic use
- Carcinoma, Medullary/enzymology
- Carcinoma, Medullary/genetics
- Carcinoma, Medullary/therapy
- Carcinoma, Papillary/enzymology
- Carcinoma, Papillary/genetics
- Carcinoma, Papillary/therapy
- Clinical Trials as Topic
- Combined Modality Therapy
- Disease Management
- Forecasting
- Genes, Neoplasm
- Humans
- Immune Checkpoint Inhibitors/therapeutic use
- Immunoconjugates/therapeutic use
- Immunotherapy
- Iodine Radioisotopes/therapeutic use
- Molecular Targeted Therapy
- Multicenter Studies as Topic
- Neoplasm Proteins/antagonists & inhibitors
- Neoplasm Proteins/genetics
- Oncogene Proteins, Fusion/antagonists & inhibitors
- Oncogene Proteins, Fusion/genetics
- Protein Kinase Inhibitors/pharmacology
- Protein Kinase Inhibitors/therapeutic use
- Protein-Tyrosine Kinases/antagonists & inhibitors
- Protein-Tyrosine Kinases/genetics
- Randomized Controlled Trials as Topic
- Thyroid Neoplasms/enzymology
- Thyroid Neoplasms/genetics
- Thyroid Neoplasms/therapy
- Tumor Microenvironment/immunology
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Affiliation(s)
- María San Román Gil
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (M.S.R.G.); (J.P.); (M.P.); (A.C.); (T.A.-G.)
| | - Javier Pozas
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (M.S.R.G.); (J.P.); (M.P.); (A.C.); (T.A.-G.)
| | - Javier Molina-Cerrillo
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (M.S.R.G.); (J.P.); (M.P.); (A.C.); (T.A.-G.)
- The Ramon y Cajal Health Research Institute (IRYCIS), CIBERONC, 28034 Madrid, Spain
- Medicine School, Alcalá University, 28805 Madrid, Spain; (J.G.); (H.P.)
| | - Joaquín Gómez
- Medicine School, Alcalá University, 28805 Madrid, Spain; (J.G.); (H.P.)
- General Surgery Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain
| | - Héctor Pian
- Medicine School, Alcalá University, 28805 Madrid, Spain; (J.G.); (H.P.)
- Pathology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain
| | - Miguel Pozas
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (M.S.R.G.); (J.P.); (M.P.); (A.C.); (T.A.-G.)
| | - Alfredo Carrato
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (M.S.R.G.); (J.P.); (M.P.); (A.C.); (T.A.-G.)
- The Ramon y Cajal Health Research Institute (IRYCIS), CIBERONC, 28034 Madrid, Spain
- Medicine School, Alcalá University, 28805 Madrid, Spain; (J.G.); (H.P.)
| | - Enrique Grande
- Medical Oncology Department, MD Anderson Cancer Center, 28033 Madrid, Spain;
| | - Teresa Alonso-Gordoa
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (M.S.R.G.); (J.P.); (M.P.); (A.C.); (T.A.-G.)
- The Ramon y Cajal Health Research Institute (IRYCIS), CIBERONC, 28034 Madrid, Spain
- Medicine School, Alcalá University, 28805 Madrid, Spain; (J.G.); (H.P.)
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77
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Zhao Y, Zhang YN, Wang KT, Chen L. Lenvatinib for hepatocellular carcinoma: From preclinical mechanisms to anti-cancer therapy. Biochim Biophys Acta Rev Cancer 2020; 1874:188391. [PMID: 32659252 DOI: 10.1016/j.bbcan.2020.188391] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 12/12/2022]
Abstract
Lenvatinib, a multi-target tyrosine kinase inhibitor (TKI), is an emerging first-line therapy for hepatocellular carcinoma (HCC). Its application has changed the status of sorafenib as the only first-line TKI treatment for HCC for more than a decade. Evidence has shown that lenvatinib possesses antitumor proliferation and immunomodulatory activity in preclinical studies. In comparison, lenvatinib was non-inferior to sorafenib in overall survival (OS), and even shows superiority with regard to all the secondary efficacy endpoints. Immune-checkpoint inhibitors(ICIs)are now being incorporated into HCC treatment. Positive outcomes have been achieved in the combination of lenvatinib plus ICIs, bringing broader prospects for HCC. This review presents an overview on the therapeutic mechanisms and clinical efficacy of lenvatinib in HCC, and we discuss the future perspectives of lenvatinib in HCC management with focus on biomarker-guided precision medicine.
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Affiliation(s)
- Yan Zhao
- School of Life Sciences, Fudan University, Shanghai 200438, China.
| | - Ya-Ni Zhang
- School of Life Sciences, Fudan University, Shanghai 200438, China.
| | - Kai-Ting Wang
- School of Life Sciences, Fudan University, Shanghai 200438, China.
| | - Lei Chen
- International Cooperation Laboratory of Signal Transduction, Eastern Hepatobiliary Surgery Institute, China.
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78
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Sankar K, Gadgeel SM, Qin A. Molecular therapeutic targets in non-small cell lung cancer. Expert Rev Anticancer Ther 2020; 20:647-661. [PMID: 32580596 DOI: 10.1080/14737140.2020.1787156] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Several targetable genetic alterations have been identified in non-small cell lung cancers (NSCLC) and drugs targeting these alterations have been approved for the management of advanced NSCLC patients. Driver mutations with emerging clinical trial data include EGFR exon 20 insertion mutations, MET amplification, KRAS G12 C point mutations, RET rearrangements, HER2 amplification and mutations, and FGFR amplification and translocations. AREAS COVERED We reviewed English-language articles indexed in Medline and PubMed up to the 1st of June 2020. In addition, the proceedings of major conferences were reviewed for relevant abstracts. We report data published regarding targeted therapies which are currently approved and for those which are emerging in advanced or metastatic NSCLC. EXPERT REVIEW While these drugs have been shown to be efficacious and tolerable, resistance almost always develops. Though next-generation tyrosine kinase inhibitors (TKIs) have been developed, the appropriate sequencing of these drugs is not clear. Evaluating combination therapies to prevent or delay the onset of resistance and understanding mechanisms of resistance are critical areas of emerging research.
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Affiliation(s)
| | | | - Angel Qin
- University of Michigan , Ann Arbor, MI, USA
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79
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Tural S, Yuce M, K Polat A, Tekcan E, Celik BZ, Karabacak U, Kara N. Novel RET Proto-oncogene variants identified in Turkish patients with thyroid carcinoma. Gene 2020; 746:144611. [PMID: 32240776 DOI: 10.1016/j.gene.2020.144611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 03/16/2020] [Accepted: 03/20/2020] [Indexed: 12/23/2022]
Abstract
Thyroid cancer is one of the few malignancies whose incidence is increasing in the last decades. Advances in understanding the molecular mechanisms lead to provide opportunity for prevention, effective early identification and targeted therapies for management. A total of 63 patients with participated in this study Genomic DNA samples were obtained from the samples formalin- embedded tissue and peripheral blood. Following polymerase chain reaction amplification of the 6 RET key exons (10, 11, 13, 14, 15, and 16) were applied and PCR products were subjected to next generation DNA sequencing (ABI 3730). Results revealed that; genotype frequencies were for rs1800961 (G > T) , GG 6 (%9.5), GT 17 (%27) TT40 (%63.5) for rs2472732 (G > A), GG31 (%49.2) GA29 (%46) AA3 (%4.8,) for rs1799939, (G > A) GG42 (%66.7) GA19 (%30.2) AA2 (%3.2), for rs1800962, (C > T) CC54 (%85.7) CT9 (%14.3), for rs1800863 (C > G), CC39 (%61.9) CG22 (%34.9) GG2 (%3.2), for rs3026272 (C > G) CC 13 (%20.6) CG 50 (%79.4). Additionally 15 potential novel genetic variants were identified in these key exons. Detailed information was given both known and new detected variants in supplementary table. Genetic variants distribution frequencies and new variants represented in Turkish thyroid cancer patients for RET proto-oncogene and that results would provide contribution to the literature.
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Affiliation(s)
- Sengul Tural
- Ondokuz Mayis University Faculty of Medicine, Department of Medical Biology, Section of Medical Genetics, Samsun, Turkey.
| | - Melek Yuce
- Ondokuz Mayis University Health Services of Vocational School, Samsun, Turkey
| | - Ayfer K Polat
- Ondokuz Mayis University Faculty of Medicine, Department of General Surgery, Samsun, Turkey
| | - Esra Tekcan
- Ondokuz Mayis University Faculty of Medicine, Department of Medical Biology, Section of Medical Genetics, Samsun, Turkey
| | - Betul Z Celik
- Ondokuz Mayis University Faculty of Medicine, Department of Medical Biology, Section of Medical Genetics, Samsun, Turkey
| | - Ufuk Karabacak
- Ondokuz Mayis University Faculty of Medicine, Department of General Surgery, Samsun, Turkey
| | - Nurten Kara
- Ondokuz Mayis University Faculty of Medicine, Department of Medical Biology, Section of Medical Genetics, Samsun, Turkey
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80
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Subbiah V, Cote GJ. Advances in Targeting RET-Dependent Cancers. Cancer Discov 2020; 10:498-505. [PMID: 32094155 PMCID: PMC7125013 DOI: 10.1158/2159-8290.cd-19-1116] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 11/04/2019] [Accepted: 01/28/2020] [Indexed: 12/29/2022]
Abstract
RET alterations have been characterized as oncogenic drivers in multiple cancers. The clinical validation of highly selective RET inhibitors demonstrates the utility of specific targeting of aberrantly activated RET in patients with cancers such as medullary thyroid cancer or non-small cell lung cancer. The remarkable responses observed have opened the field of RET-targeted inhibitors. In this review, we seek to focus on the impact of therapeutic RET targeting in cancers. SIGNIFICANCE: Successful clinical translation of selective RET inhibitors is poised to alter the therapeutic landscape of altered cancers. Questions that clearly need to be addressed relate to the ability to maintain long-term inhibition of tumor cell growth, how to prepare for the potential mechanisms of acquired resistance, and the development of next-generation selective RET inhibitors.
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Affiliation(s)
- Vivek Subbiah
- Department of Investigational Cancer Therapeutics, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas.
- Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas
- MD Anderson Cancer Network, Houston, Texas
| | - Gilbert J Cote
- Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas
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81
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Hassan BB, Altstadt LA, Dirksen WP, Elshafae SM, Rosol TJ. Canine Thyroid Cancer: Molecular Characterization and Cell Line Growth in Nude Mice. Vet Pathol 2020; 57:227-240. [PMID: 32081094 DOI: 10.1177/0300985819901120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Thyroid cancer is the most common endocrine malignancy in dogs. Dogs and humans are similar in the spontaneous development of thyroid cancer and metastasis to lungs; however, thyroid cancer has a higher incidence of metastasis in dogs. This study developed a preclinical nude mouse model of canine thyroid cancer using a canine thyroid adenocarcinoma cell line (CTAC) and measured the expression of important invasion and metastasis genes in spontaneous canine thyroid carcinomas and CTAC cells. CTAC cells were examined by electron microscopy. Short tandem repeat analysis was performed for both the original neoplasm and CTAC cells. CTAC cells were transduced with luciferase and injected subcutaneously and into the tail vein. Tumors and metastases were monitored using bioluminescent imaging and confirmed with gross necropsy and histopathology. Invasion and metastasis genes were characterized in 8 follicular thyroid carcinomas (FTCs), 4 C-cell thyroid carcinomas, 3 normal thyroids, and CTAC cells. CTAC cells grew well as xenografts in the subcutis, and they resembled the primary neoplasm. Metastasis to the kidney and lung occurred infrequently following subcutaneous and tail vein injection of CTAC cells. STR analysis confirmed that CTAC cells were derived from the original neoplasm and were of canine origin. Finally, 24 genes were differentially expressed in spontaneous canine thyroid carcinomas, CTAC, and normal thyroids. This study demonstrated the usefulness of a nude mouse model of experimental canine thyroid carcinoma and identified potential molecular targets of canine follicular and C-cell thyroid carcinoma.
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Affiliation(s)
- Bardes B Hassan
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA.,Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Lucas A Altstadt
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Wessel P Dirksen
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Said M Elshafae
- Department of Radiology, College of Medicine, The Ohio State University, Columbus, OH, USA.,Department of Pathology, Faculty of Veterinary Medicine, Benha University, Kalyubia, Egypt
| | - Thomas J Rosol
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
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82
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Subbiah V, Yang D, Velcheti V, Drilon A, Meric-Bernstam F. State-of-the-Art Strategies for Targeting RET-Dependent Cancers. J Clin Oncol 2020; 38:1209-1221. [PMID: 32083997 DOI: 10.1200/jco.19.02551] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Activating receptor tyrosine kinase RET (rarranged during transfection) gene alterations have been identified as oncogenic in multiple malignancies. RET gene rearrangements retaining the kinase domain are oncogenic drivers in papillary thyroid cancer, non-small-cell lung cancer, and multiple other cancers. Activating RET mutations are associated with different phenotypes of multiple endocrine neoplasia type 2 as well as sporadic medullary thyroid cancer. RET is thus an attractive therapeutic target in patients with oncogenic RET alterations. Multikinase inhibitors with RET inhibitor activity, such as cabozantinib and vandetanib, have been explored in the clinic for tumors with activating RET gene alterations with modest clinical efficacy. As a result of the nonselective nature of these multikinase inhibitors, patients had off-target adverse effects, such as hypertension, rash, and diarrhea. This resulted in a narrow therapeutic index of these drugs, limiting ability to dose for clinically effective RET inhibition. In contrast, the recent discovery and clinical validation of highly potent selective RET inhibitors (pralsetinib, selpercatinib) demonstrating improved efficacy and a more favorable toxicity profile are poised to alter the landscape of RET-dependent cancers. These drugs appear to have broad activity across tumors with activating RET alterations. The mechanisms of resistance to these next-generation highly selective RET inhibitors is an area of active research. This review summarizes the current understanding of RET alterations and the state-of-the-art treatment strategies in RET-dependent cancers.
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Affiliation(s)
- Vivek Subbiah
- Department of Investigational Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX.,Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, TX.,MD Anderson Cancer Network, Houston, TX
| | - Dong Yang
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | | | - Alexander Drilon
- Thoracic Oncology Service, Early Drug Development Service, Division of Solid Tumor Oncology, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY.,Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Funda Meric-Bernstam
- Department of Investigational Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX.,Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
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Palve V, Liao Y, Remsing Rix LL, Rix U. Turning liabilities into opportunities: Off-target based drug repurposing in cancer. Semin Cancer Biol 2020; 68:209-229. [PMID: 32044472 DOI: 10.1016/j.semcancer.2020.02.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 12/12/2022]
Abstract
Targeted drugs and precision medicine have transformed the landscape of cancer therapy and significantly improved patient outcomes in many cases. However, as therapies are becoming more and more tailored to smaller patient populations and acquired resistance is limiting the duration of clinical responses, there is an ever increasing demand for new drugs, which is not easily met considering steadily rising drug attrition rates and development costs. Considering these challenges drug repurposing is an attractive complementary approach to traditional drug discovery that can satisfy some of these needs. This is facilitated by the fact that most targeted drugs, despite their implicit connotation, are not singularly specific, but rather display a wide spectrum of target selectivity. Importantly, some of the unintended drug "off-targets" are known anticancer targets in their own right. Others are becoming recognized as such in the process of elucidating off-target mechanisms that in fact are responsible for a drug's anticancer activity, thereby revealing potentially new cancer vulnerabilities. Harnessing such beneficial off-target effects can therefore lead to novel and promising precision medicine approaches. Here, we will discuss experimental and computational methods that are employed to specifically develop single target and network-based off-target repurposing strategies, for instance with drug combinations or polypharmacology drugs. By illustrating concrete examples that have led to clinical translation we will furthermore examine the various scientific and non-scientific factors that cumulatively determine the success of these efforts and thus can inform the future development of new and potentially lifesaving off-target based drug repurposing strategies for cancers that constitute important unmet medical needs.
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Affiliation(s)
- Vinayak Palve
- Department of Drug Discovery, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, 33612, USA
| | - Yi Liao
- Department of Drug Discovery, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, 33612, USA
| | - Lily L Remsing Rix
- Department of Drug Discovery, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, 33612, USA
| | - Uwe Rix
- Department of Drug Discovery, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, 33612, USA.
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Chin TM, Boopathy GTK, Man EP, Clohessy JG, Csizmadia E, Quinlan MP, Putti T, Wan SC, Xie C, Ali A, Wai FC, Ong YS, Goh BC, Settleman J, Hong W, Levantini E, Tenen DG. Targeting microtubules sensitizes drug resistant lung cancer cells to lysosomal pathway inhibitors. Am J Cancer Res 2020; 10:2727-2743. [PMID: 32194831 PMCID: PMC7052910 DOI: 10.7150/thno.38729] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 11/24/2019] [Indexed: 12/20/2022] Open
Abstract
Oncogene-addicted cancers are predominantly driven by specific oncogenic pathways and display initial exquisite sensitivity to designer therapies, but eventually become refractory to treatments. Clear understanding of lung tumorigenic mechanisms is essential for improved therapies. Methods: Lysosomes were analyzed in EGFR-WT and mutant cells and corresponding patient samples using immunofluorescence or immunohistochemistry and immunoblotting. Microtubule organization and dynamics were studied using immunofluorescence analyses. Also, we have validated our findings in a transgenic mouse model that contain EGFR-TKI resistant mutations. Results: We herein describe a novel mechanism that a mutated kinase disrupts the microtubule organization and results in a defective endosomal/lysosomal pathway. This prevents the efficient degradation of phosphorylated proteins that become trapped within the endosomes and continue to signal, therefore amplifying downstream proliferative and survival pathways. Phenotypically, a distinctive subcellular appearance of LAMP1 secondary to microtubule dysfunction in cells expressing EGFR kinase mutants is seen, and this may have potential diagnostic applications for the detection of such mutants. We demonstrate that lysosomal-inhibitors re-sensitize resistant cells to EGFR tyrosine-kinase inhibitors (TKIs). Identifying the endosome-lysosome pathway and microtubule dysfunction as a mechanism of resistance allows to pharmacologically intervene on this pathway. Conclusions: We find that the combination of microtubule stabilizing agent and lysosome inhibitor could reduce the tumor progression in EGFR TKI resistant mouse models of lung cancer.
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PTPRA Phosphatase Regulates GDNF-Dependent RET Signaling and Inhibits the RET Mutant MEN2A Oncogenic Potential. iScience 2020; 23:100871. [PMID: 32062451 PMCID: PMC7021549 DOI: 10.1016/j.isci.2020.100871] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 01/15/2020] [Accepted: 01/26/2020] [Indexed: 12/17/2022] Open
Abstract
The RET proto-oncogene encodes receptor tyrosine kinase, expressed primarily in tissues of neural crest origin. De-regulation of RET signaling is implicated in several human cancers. Recent phosphatome interactome analysis identified PTPRA interacting with the neurotrophic factor (GDNF)-dependent RET-Ras-MAPK signaling-axis. Here, by identifying comprehensive interactomes of PTPRA and RET, we reveal their close physical and functional association. The PTPRA directly interacts with RET, and using the phosphoproteomic approach, we identify RET as a direct dephosphorylation substrate of PTPRA both in vivo and in vitro. The protein phosphatase domain-1 is indispensable for the PTPRA inhibitory role on RET activity and downstream Ras-MAPK signaling, whereas domain-2 has only minor effect. Furthermore, PTPRA also regulates the RET oncogenic mutant variant MEN2A activity and invasion capacity, whereas the MEN2B is insensitive to PTPRA. In sum, we discern PTPRA as a novel regulator of RET signaling in both health and cancer. PTPRA inhibits ligand (GDNF-GFRα1)-mediated RET activity on Ras-MAPK signaling axis PTPRA dephosphorylate RET on key functional phosphotyrosine sites PTPRA catalytic (PTPase) domain 1 regulates RET-driven signaling PTPRA suppresses RET oncogenic mutant MEN2A in both Ras-MAPK and cell invasion models
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86
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Genova C, Rossi G, Tagliamento M, Rijavec E, Biello F, Cerbone L, Zullo L, Grossi F. Targeted therapy of oncogenic-driven advanced non-small cell lung cancer: recent advances and new perspectives. Expert Rev Respir Med 2020; 14:367-383. [DOI: 10.1080/17476348.2020.1714441] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Carlo Genova
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Giovanni Rossi
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Italy
| | - Marco Tagliamento
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Erika Rijavec
- Medical Oncology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Federica Biello
- Oncology Unit, Ospedale Maggiore della Carità, Novara, Italy
| | - Luigi Cerbone
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Lodovica Zullo
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Francesco Grossi
- Medical Oncology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
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87
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Lung Carcinoma. Genomic Med 2020. [DOI: 10.1007/978-3-030-22922-1_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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88
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Chatterjee S, Nandakumar P, Auer DR, Gabriel SB, Chakravarti A. Gene- and tissue-level interactions in normal gastrointestinal development and Hirschsprung disease. Proc Natl Acad Sci U S A 2019; 116:26697-26708. [PMID: 31818953 PMCID: PMC6936708 DOI: 10.1073/pnas.1908756116] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The development of the gut from endodermal tissue to an organ with multiple distinct structures and functions occurs over a prolonged time during embryonic days E10.5-E14.5 in the mouse. During this process, one major event is innervation of the gut by enteric neural crest cells (ENCCs) to establish the enteric nervous system (ENS). To understand the molecular processes underpinning gut and ENS development, we generated RNA-sequencing profiles from wild-type mouse guts at E10.5, E12.5, and E14.5 from both sexes. We also generated these profiles from homozygous Ret null embryos, a model for Hirschsprung disease (HSCR), in which the ENS is absent. These data reveal 4 major features: 1) between E10.5 and E14.5 the developmental genetic programs change from expression of major transcription factors and its modifiers to genes controlling tissue (epithelium, muscle, endothelium) specialization; 2) the major effect of Ret is not only on ENCC differentiation to enteric neurons but also on the enteric mesenchyme and epithelium; 3) a muscle genetic program exerts significant effects on ENS development; and 4) sex differences in gut development profiles are minor. The genetic programs identified, and their changes across development, suggest that both cell autonomous and nonautonomous factors, and interactions between the different developing gut tissues, are important for normal ENS development and its disorders.
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Affiliation(s)
- Sumantra Chatterjee
- Center for Complex Disease Genomics, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Center for Human Genetics and Genomics, New York University School of Medicine, New York, NY 10016
| | - Priyanka Nandakumar
- Center for Complex Disease Genomics, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Dallas R. Auer
- Center for Complex Disease Genomics, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Center for Human Genetics and Genomics, New York University School of Medicine, New York, NY 10016
| | - Stacey B. Gabriel
- Genomics Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142
| | - Aravinda Chakravarti
- Center for Complex Disease Genomics, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Center for Human Genetics and Genomics, New York University School of Medicine, New York, NY 10016
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89
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Säleby J, Bouzina H, Ahmed S, Lundgren J, Rådegran G. Plasma receptor tyrosine kinase RET in pulmonary arterial hypertension diagnosis and differentiation. ERJ Open Res 2019; 5:00037-2019. [PMID: 31754623 PMCID: PMC6856495 DOI: 10.1183/23120541.00037-2019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 09/14/2019] [Indexed: 12/16/2022] Open
Abstract
Background Pulmonary arterial hypertension (PAH) is a serious disease exhibiting unspecific symptoms, as a result of which diagnosis is often delayed and prognosis is poor. The underlying pathophysiology includes vasoconstriction and remodelling of small pulmonary arteries. As receptor tyrosine kinases (RTKs) and their ligands have been shown to promote PAH remodelling, our aim was to evaluate if their plasma levels may be utilised to differentiate between various causes of pulmonary hypertension. Methods 28 biomarkers involved in RTK signalling were measured using proximity extension assays in venous plasma from patients with PAH (n=48), chronic thromboembolic pulmonary hypertension (CTEPH) (n=20), pulmonary hypertension due to diastolic (n=33) or systolic (n=36) heart failure and heart failure patients without pulmonary hypertension (n=15), as well as healthy controls (n=20). Results Plasma proto-oncogene tyrosine-protein kinase receptor Ret (RET) was decreased (p<0.04) in PAH compared with all disease groups and controls. RET generated a sensitivity of 64.6% and a specificity of 81.6% for detecting PAH from other disease groups. PAH and the other pulmonary hypertension groups showed elevated plasma tyrosine-protein kinase MER (p<0.01), vascular endothelial growth factor (VEGF)-A (p<0.02), VEGF-D (p<0.01), placental growth factor (p<0.01), amphiregulin (p<0.02), hepatocyte growth factor (p<0.01) and transforming growth factor-α (p<0.05) and decreased VEGF receptor-2 (p<0.04) and epidermal growth factor receptor (p<0.01) levels compared with controls. Conclusion Plasma RET differentiates patients with PAH from those with CTEPH, systolic or diastolic heart failure with or without pulmonary hypertension as well as healthy controls. Future studies would be of value to determine the clinical usefulness of RET as a biomarker and its link to PAH pathophysiology. Receptor tyrosine kinases have been shown to promote PAH remodelling. Plasma RET differentiates PAH from other causes of PH. RET could have the potential to be used as a future diagnostic biomarker.http://bit.ly/2LChPUS
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Affiliation(s)
- Joanna Säleby
- Dept of Clinical Sciences Lund, Cardiology, Faculty of Medicine, Lund University, Lund, Sweden.,The Hemodynamic Lab, The Section for Heart Failure and Valvular Disease, VO Heart and Lung Medicine, Skåne University Hospital, Lund, Sweden
| | - Habib Bouzina
- Dept of Clinical Sciences Lund, Cardiology, Faculty of Medicine, Lund University, Lund, Sweden.,The Hemodynamic Lab, The Section for Heart Failure and Valvular Disease, VO Heart and Lung Medicine, Skåne University Hospital, Lund, Sweden
| | - Salaheldin Ahmed
- Dept of Clinical Sciences Lund, Cardiology, Faculty of Medicine, Lund University, Lund, Sweden.,The Hemodynamic Lab, The Section for Heart Failure and Valvular Disease, VO Heart and Lung Medicine, Skåne University Hospital, Lund, Sweden
| | - Jakob Lundgren
- Dept of Clinical Sciences Lund, Cardiology, Faculty of Medicine, Lund University, Lund, Sweden.,The Hemodynamic Lab, The Section for Heart Failure and Valvular Disease, VO Heart and Lung Medicine, Skåne University Hospital, Lund, Sweden
| | - Göran Rådegran
- Dept of Clinical Sciences Lund, Cardiology, Faculty of Medicine, Lund University, Lund, Sweden.,The Hemodynamic Lab, The Section for Heart Failure and Valvular Disease, VO Heart and Lung Medicine, Skåne University Hospital, Lund, Sweden
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90
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Li AY, McCusker MG, Russo A, Scilla KA, Gittens A, Arensmeyer K, Mehra R, Adamo V, Rolfo C. RET fusions in solid tumors. Cancer Treat Rev 2019; 81:101911. [PMID: 31715421 DOI: 10.1016/j.ctrv.2019.101911] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 10/20/2019] [Accepted: 10/21/2019] [Indexed: 12/14/2022]
Abstract
The RET proto-oncogene has been well-studied. RET is involved in many different physiological and developmental functions. When altered, RET mutations influence disease in a variety of organ systems from Hirschsprung's disease and multiple endocrine neoplasia 2 (MEN2) to papillary thyroid carcinoma (PTC) and non-small cell lung cancer (NSCLC). Changes in RET expression have been discovered in 30-70% of invasive breast cancers and 50-60% of pancreatic ductal adenocarcinomas in addition to colorectal adenocarcinoma, melanoma, small cell lung cancer, neuroblastoma, and small intestine neuroendocrine tumors. RET mutations have been associated with tumor proliferation, invasion, and migration. RET fusions or rearrangements are somatic juxtapositions of 5' sequences from other genes with 3' RET sequences encoding tyrosine kinase. RET rearrangements occur in approximately 2.5-73% of sporadic PTC and 1-3% of NSCLC patients. The most common RET fusions are CDCC6-RET and NCOA4-RET in PTC and KIF5B-RET in NSCLC. Tyrosine kinase inhibitors are drugs that target kinases such as RET in RET-driven (RET-mutation or RET-fusion-positive) disease. Multikinase inhibitors (MKI) target various kinases and other receptors. Several MKIs are FDA-approved for cancer therapy (sunitinib, sorafenib, vandetanib, cabozantinib, regorafenib, ponatinib, lenvatinib, alectinib) and non-oncologic disease (nintedanib). Selective RET inhibitor drugs LOXO-292 (selpercatinib) and BLU-667 (pralsetinib) are also undergoing phase I/II and I clinical trials, respectively, with preliminary results demonstrating partial response and low incidence of serious adverse events. RET fusions provide a viable therapeutic target for oncologic treatment, and further study is warranted into the prevalence and pathogenesis of RET fusions as well as development of current and new tyrosine kinase inhibitors.
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Affiliation(s)
- Andrew Y Li
- Department of Medicine, Division of General Internal Medicine, University of Maryland Medical Center, Baltimore, United States
| | - Michael G McCusker
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Alessandro Russo
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA; Medical Oncology Unit, A.O. Papardo & Department of Human Pathology, University of Messina, Italy
| | - Katherine A Scilla
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Allison Gittens
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Katherine Arensmeyer
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Ranee Mehra
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Vincenzo Adamo
- Medical Oncology Unit, A.O. Papardo & Department of Human Pathology, University of Messina, Italy
| | - Christian Rolfo
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA.
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91
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ANKRD26-RET - A novel gene fusion involving RET in papillary thyroid carcinoma. Cancer Genet 2019; 238:10-17. [DOI: 10.1016/j.cancergen.2019.07.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 05/13/2019] [Accepted: 07/01/2019] [Indexed: 12/14/2022]
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Ackermann CJ, Stock G, Tay R, Dawod M, Gomes F, Califano R. Targeted Therapy For RET-Rearranged Non-Small Cell Lung Cancer: Clinical Development And Future Directions. Onco Targets Ther 2019; 12:7857-7864. [PMID: 31576143 PMCID: PMC6767757 DOI: 10.2147/ott.s171665] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 09/09/2019] [Indexed: 12/11/2022] Open
Abstract
Approximately 1-2% of unselected patients with Non-small Cell Lung Cancer (NSCLC) harbor RET rearrangements resulting in enhanced cell survival and proliferation. The initial treatment strategy for RET rearranged NSCLC has been multi-target tyrosine kinase inhibition. With overall response rates (ORR) of 16-53% and a median progression-free survival (PFS) of 4.5-7.3 months these outcomes are clearly inferior to the efficacy outcomes of selective tyrosine kinase inhibitors (TKI) in other oncogene-addicted NSCLC. Additionally, multi-kinase inhibition in RET-driven NSCLC patients showed concerning rates of high-grade toxicity, mainly induced by anti-VEGFR-kinase activity. Novel selective RET inhibitors like BLU-667, LOXO-292 and RXDX-105 have been recently investigated in early phase clinical trials showing promising efficacy with a manageable toxicity profile.
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Affiliation(s)
| | - Gustavo Stock
- Department of Medical Oncology, Instituto do Câncer do Estado de São Paulo, São Paulo, Brazil
| | - Rebecca Tay
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Mohammed Dawod
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Fabio Gomes
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Raffaele Califano
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
- Department of Medical Oncology, Manchester University NHS Foundation Trust, Manchester, UK
- Division of Cancer Sciences, University of Manchester, Manchester, UK
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93
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Ramone T, Romei C, Ciampi R, Tacito A, Piaggi P, Torregrossa L, Ugolini C, Elisei R. Differential expression of RET isoforms in normal thyroid tissues, papillary and medullary thyroid carcinomas. Endocrine 2019; 65:623-629. [PMID: 31278686 DOI: 10.1007/s12020-019-01957-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/10/2019] [Indexed: 12/22/2022]
Abstract
POURPOSES We investigated the expression of RET9 and RET51 isoforms in medullary (MTC), papillary (PTC) thyroid carcinoma, normal thyroid tissues, and pheochromocytoma (PHEO) to verify if these isoforms are present also in follicular thyroid cell-derived tissues, and if there is a differential expression of RET9 and RET51 in MTC. METHODS Nineteen patients with MTC, 18 patients with PTC, 18 samples of contralateral normal thyroid tissues, and 5 cases of PHEO were included in this study. RET isoform expression was studied by real-time RT-PCR. RESULTS All MTCs and PHEOs were positive for RET9 and RET51. Fourteen/eighteen (77.7%) PTC cases were positive for RET9 and/or RET51, and four were positive for only one of the genes. In normal thyroid tissues, 3/18 (16.7%) cases were negative for both isoforms, 4/18 (22.2%) were positive for both, and 11/18 (61.1%) were positive for only one. RET isoforms were expressed at different levels in MTC, PHEO, PTC, and normal thyroid tissues: RET9 expression was higher in PHEO than in MTC, PTC, and normal thyroid tissues. RET9 expression was also higher in MTC than in PTC and normal thyroid tissues. No difference was observed between PTC and normal thyroid tissues. A similar pattern of expression was observed for RET51. In addition, RET51 was significantly more expressed than RET9 in MTC, while RET9 was the predominant isoform in PHEO. CONCLUSIONS Our study documented the expression of the RET9 and RET51 isoforms in normal thyroid and PTC tissues. RET9 and RET51 isoforms were also present in MTC and PHEO. RET51 expression was higher than RET9 expression in MTC, while there was no difference in the expression of these two isoforms in PTC and normal thyroid tissues. RET9 was more highly expressed than RET51 in PHEOs.
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Affiliation(s)
- Teresa Ramone
- Department of Clinical and Experimental Medicine, Unit of Endocrinology University of Pisa, Pisa, Italy
| | - Cristina Romei
- Department of Clinical and Experimental Medicine, Unit of Endocrinology University of Pisa, Pisa, Italy
| | - Raffaele Ciampi
- Department of Clinical and Experimental Medicine, Unit of Endocrinology University of Pisa, Pisa, Italy
| | - Alessia Tacito
- Department of Clinical and Experimental Medicine, Unit of Endocrinology University of Pisa, Pisa, Italy
| | - Paolo Piaggi
- Department of Clinical and Experimental Medicine, Unit of Endocrinology University of Pisa, Pisa, Italy
| | - Liborio Torregrossa
- Department of Surgical and Medical Pathology, Unit of Pathology, University of Pisa, Pisa, Italy
| | - Clara Ugolini
- Department of Surgical and Medical Pathology, Unit of Pathology, University of Pisa, Pisa, Italy
| | - Rossella Elisei
- Department of Clinical and Experimental Medicine, Unit of Endocrinology University of Pisa, Pisa, Italy.
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94
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Shakiba E, Movahedi M, Majd A, Hedayati M. Investigating the expression and promoter methylation of RET gene in patients with medullary thyroid cancer with unmutated RET. J Cell Physiol 2019; 234:16304-16311. [PMID: 30873628 DOI: 10.1002/jcp.28295] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/02/2018] [Accepted: 12/07/2018] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Thyroid cancer is one of the most common endocrine malignancies. Mutations in the rearranged during transfection (RET) gene, especially in exon 10, 11, and 16, as well as epigenetic modifications, constitute the major underlying molecular events leading to medullary thyroid cancer (MTC). There are few studies on the mutations and epigenetic changes of RET gene in Iranian patients with MTC. In the present study, we aimed to address this question and explore the clinical relevance of such genetic alternations in an Iranian population. METHODS Thirty-three patients with confirmed MTC who underwent thyroidectomy surgery in Imam Khomeini Hospital (Tehran, Iran) were enrolled. DNA extracted from cancerous tissues was amplified by polymerase chain reaction (PCR) and then was sequenced for identification of RET mutations. In patients with no identified mutations, the methylation status of RET promoter and its expression were further investigated using methylation-specific PCR and real-time PCR methods, respectively. RESULTS In MTC patients with no RET mutations, the promoter of the proto-oncogene was hypomethylated. Furthermore, RET gene expression was elevated in patients who revealed no mutations in neither of exon 10, 11, or 16 of the RET gene. CONCLUSION Hypomethylation of RET promoter may contribute to MTC pathogenesis. The methylation status of RET promoter could be a new potential prognostic, diagnostic and therapeutic marker in MTC.
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Affiliation(s)
- Elham Shakiba
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Monireh Movahedi
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Ahmad Majd
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Mehdi Hedayati
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Fallahi P, Ferrari SM, Elia G, Ragusa F, Paparo SR, Ruffilli I, Patrizio A, Materazzi G, Antonelli A. Evaluating vandetanib in the treatment of medullary thyroid cancer: patient-reported outcomes. Cancer Manag Res 2019; 11:7893-7907. [PMID: 31686907 PMCID: PMC6708888 DOI: 10.2147/cmar.s127848] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 07/23/2019] [Indexed: 12/18/2022] Open
Abstract
Medullary thyroid cancers (MTCs) are neuroendocrine tumors, which secrete calcitonin and carcinoembryonic antigen, both of which can serve as tumor markers. Extensive and accurate surgical resection is the primary treatment for MTC, whereas the use of external beam radiotherapy is limited. Moreover, since MTC is derived from thyroid parafollicular cells or C cells, it is not responsive to either radioiodine or thyroid-stimulating hormone suppression, and therefore, they cannot be considered as treatment strategies. Traditional therapies for advanced or metastatic progressive medullary thyroid cancer (pMTC) are poorly effective. Among the new approaches tested in clinical trials, targeted chemotherapies with tyrosine kinase inhibitors (TKIs) are now available and they represent effective interventions for progressive disease, with additional investigational options emerging. This paper reviews the efficacy and safety of vandetanib in patients with a pMTC, as it has been shown to improve progression-free survival (30.5 vs 19.3 months in controls). Vandetanib is approved by the FDA and EMA for symptomatic or progressive MTC in patients with unresectable locally advanced or metastatic disease in adults, adolescents, and children older than 5 years. The most common adverse events in vandetanib-treated patients are diarrhea, rash, folliculitis, nausea, QTc prolongation, hypertension, and fatigue. More data are required to deepen our knowledge on molecular biology of tumor and host defense, with the aim to achieve better prognosis and higher quality of life for affected patients.
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Affiliation(s)
- Poupak Fallahi
- Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | | | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Armando Patrizio
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Gabriele Materazzi
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University of Pisa, Pisa, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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Detection of RET rearrangements in papillary thyroid carcinoma using RT-PCR and FISH techniques - A molecular and clinical analysis. Eur J Surg Oncol 2019; 45:1018-1024. [DOI: 10.1016/j.ejso.2018.11.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 10/22/2018] [Accepted: 11/12/2018] [Indexed: 12/26/2022] Open
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97
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O'Leary C, Xu W, Pavlakis N, Richard D, O'Byrne K. Rearranged During Transfection Fusions in Non-Small Cell Lung Cancer. Cancers (Basel) 2019; 11:E620. [PMID: 31058838 PMCID: PMC6562639 DOI: 10.3390/cancers11050620] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 04/30/2019] [Accepted: 04/30/2019] [Indexed: 12/31/2022] Open
Abstract
Identifying and targeting specific oncogenic drivers has become standard of care in the routine management of patients with lung cancer. Research is ongoing to expand the number of drug targets that can offer clinically meaningful outcomes. Rearranged during transfection (RET) fusions are the latest oncogenic driver alterations that show potential as a drug target. RET fusions occur in 1-2% of non-small cell lung cancer (NSCLC) cases. They are more commonly associated with younger age, female gender, non-smokers and Asian ethnicity. The RET kinase is abnormally activated through fusion with a partner protein such as KIF5B, CCDC6 or NCOA4. This leads to downstream intracellular signalling and enhancement of gene transcription and cell proliferation. The effectiveness of multi-kinase inhibitors in RET positive NSCLC has been explored in early phase and retrospective studies. From these studies, the most effective agents identified include cabozantanib and vandetanib. Overall response rates (ORR) vary from 18-47% across studies. In general, these agents have a manageable toxicity profile, although there are a number of off-target toxicities. Similar to the increased activity in ALK rearranged disease, pemetrexed has demonstrated superior response rates in this patient group and should be considered. Selective RET inhibitors, including LOXO-292 and BLU-667, are progressing in clinical trials. LOXO-292 has demonstrated an impressive ORR of 77% in RET positive solid tumours. It is anticipated this agent will be an effective targeted therapeutic option for patients with RET positive lung cancer.
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Affiliation(s)
- Connor O'Leary
- Department of Medical Oncology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia.
- Translational Research Institute, Brisbane, QLD 4102, Australia.
| | - Wen Xu
- Department of Medical Oncology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia.
| | - Nick Pavlakis
- Royal North Shore Hospital, Sydney, NSW 2065, Australia.
| | - Derek Richard
- Translational Research Institute, Brisbane, QLD 4102, Australia.
| | - Ken O'Byrne
- Department of Medical Oncology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia.
- Translational Research Institute, Brisbane, QLD 4102, Australia.
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98
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Bronte G, Ulivi P, Verlicchi A, Cravero P, Delmonte A, Crinò L. Targeting RET-rearranged non-small-cell lung cancer: future prospects. LUNG CANCER-TARGETS AND THERAPY 2019; 10:27-36. [PMID: 30962732 PMCID: PMC6433115 DOI: 10.2147/lctt.s192830] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Non-small-cell lung cancer (NSCLC) patients with mutated or rearranged oncogene drivers can be treated with upfront selective inhibitors achieving higher response rates and longer survival than chemotherapy. The RET gene can undergo chromosomal rearrangements in 1%–2% of all NSCLC patients, involving various upstream fusion partners such as KIF5B, CCDC6, NCOA4, and TRIM33. Many multikinase inhibitors are active against rearranged RET. Cabozantinib, vandetanib, sunitinib, lenvatinib, and nintedanib achieved tumor responses in about 30% of these patients in retrospective studies. Prospective phase II trials investigated the activity and toxicity of cabozantinib, vandetanib, sorafenib, and lenvatinib, and did not reach significantly higher response rates. VEGFR and EGFR inhibition represented the main ways of developing off-target toxicity. An intrinsic resistance emerged according to the type of RET fusion partners, as KIF5B-RET fusion is the most resistant. Also acquired mutations in rearranged RET oncogene developed as resistance to these multikinase inhibitors. Interestingly, RET fusions have been found as a resistance mechanism to EGFR-TKIs in EGFR-mutant NSCLC patients. The combination of EGFR and RET inhibition can overcome this resistance. The limitations in terms of activity and tolerability of the various multikinase inhibitors prompted the investigation of new highly selective RET inhibitors, such as RXDX-105, BLU-667, and LOXO-292. Some data emerged about intracranial antitumor activity of BLU-667 and LOXO-292. If these novel drugs will achieve high activity in RET rearranged NSCLC, also these oncogene-addicted tumors can undergo a significant survival improvement.
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Affiliation(s)
- Giuseppe Bronte
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, FC, Italy,
| | - Paola Ulivi
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, FC, Italy,
| | - Alberto Verlicchi
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, FC, Italy,
| | - Paola Cravero
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, FC, Italy,
| | - Angelo Delmonte
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, FC, Italy,
| | - Lucio Crinò
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, FC, Italy,
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99
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Paratala BS, Chung JH, Williams CB, Yilmazel B, Petrosky W, Williams K, Schrock AB, Gay LM, Lee E, Dolfi SC, Pham K, Lin S, Yao M, Kulkarni A, DiClemente F, Liu C, Rodriguez-Rodriguez L, Ganesan S, Ross JS, Ali SM, Leyland-Jones B, Hirshfield KM. RET rearrangements are actionable alterations in breast cancer. Nat Commun 2018; 9:4821. [PMID: 30446652 PMCID: PMC6240119 DOI: 10.1038/s41467-018-07341-4] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 10/25/2018] [Indexed: 11/23/2022] Open
Abstract
Fusions involving the oncogenic gene RET have been observed in thyroid and lung cancers. Here we report RET gene alterations, including amplification, missense mutations, known fusions, novel fusions, and rearrangements in breast cancer. Their frequency, oncogenic potential, and actionability in breast cancer are described. Two out of eight RET fusions (NCOA4-RET and a novel RASGEF1A-RET fusion) and RET amplification were functionally characterized and shown to activate RET kinase and drive signaling through MAPK and PI3K pathways. These fusions and RET amplification can induce transformation of non-tumorigenic cells, support xenograft tumor formation, and render sensitivity to RET inhibition. An index case of metastatic breast cancer progressing on HER2-targeted therapy was found to have the NCOA4-RET fusion. Subsequent treatment with the RET inhibitor cabozantinib led to a rapid clinical and radiographic response. RET alterations, identified by genomic profiling, are promising therapeutic targets and are present in a subset of breast cancers. Fusions of the gene RET have been described in thyroid and lung cancers. Here, the AUs identify RET gene alterations, including known fusions, novel fusions, and rearrangements in breast cancer (BC) that are involved in the tumorigenic process and show the benefit of RET therapy in a recurrent BC patient carrying the NCOA4-RET fusion.
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Affiliation(s)
- Bhavna S Paratala
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Jon H Chung
- Foundation Medicine, Cambridge, MA, 02139, USA
| | - Casey B Williams
- Avera Cancer Institute Center for Precision Oncology, Sioux Falls, SD, 57105, USA
| | | | - Whitney Petrosky
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Kirstin Williams
- Avera Cancer Institute Center for Precision Oncology, Sioux Falls, SD, 57105, USA
| | | | | | - Ellen Lee
- University Radiology Group, New Brunswick, NJ, 08901, USA
| | - Sonia C Dolfi
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Kien Pham
- Department of Pathology and Laboratory Medicine, Rutgers New Jersey Medical School and Rutgers Robert Wood Johnson Medical School, Newark, NJ, 07103, USA
| | - Stephanie Lin
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Ming Yao
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Atul Kulkarni
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Frances DiClemente
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | - Chen Liu
- Department of Pathology and Laboratory Medicine, Rutgers New Jersey Medical School and Rutgers Robert Wood Johnson Medical School, Newark, NJ, 07103, USA
| | - Lorna Rodriguez-Rodriguez
- Rutgers University, Piscataway, NJ, 08854, USA.,Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA
| | - Shridar Ganesan
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.,Rutgers University, Piscataway, NJ, 08854, USA
| | | | - Siraj M Ali
- Foundation Medicine, Cambridge, MA, 02139, USA
| | - Brian Leyland-Jones
- Avera Cancer Institute Center for Precision Oncology, Sioux Falls, SD, 57105, USA.
| | - Kim M Hirshfield
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA. .,Rutgers University, Piscataway, NJ, 08854, USA.
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100
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Staubitz JI, Schad A, Springer E, Rajalingam K, Lang H, Roth W, Hartmann N, Musholt TJ. Novel rearrangements involving the RET gene in papillary thyroid carcinoma. Cancer Genet 2018; 230:13-20. [PMID: 30466862 DOI: 10.1016/j.cancergen.2018.11.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/07/2018] [Accepted: 11/07/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND In the field of gene fusions driving tumorigenesis in papillary thyroid carcinoma (PTC), rearrangement of the proto-oncogene RET is the most frequent alteration. Apart from the most common rearrangement of RET to CCDC6, more than 15 partner genes are yet reported. The landscape of RET rearrangements in PTC ("RET-PTC") can notably be enlarged by modern targeted next-generation sequencing, indicating similarities between oncogenic pathways in other cancer types with identical genetic alterations. METHODS Targeted next-generation sequencing was performed for two cases of BRAF-wild type PTC with confirmation of the results by Sanger sequencing. A "UniProt" database research was performed to assess protein alterations resulting from RET rearrangements. RESULTS RUFY2-RET and KIAA1468-RET were detected. The fusion genes were not present in normal tissue of the index patients. The rearrangement RUFY2-RET lead to a fusion of the RET tyrosine kinase domain to a RUN domain and a coiled-coil domain. For KIAA1468-RET, a fusion to a LisH domain and two coiled-coil domains resulted. CONCLUSIONS RUFY2-RET and KIAA1468-RET are novel RET/PTC rearrangements. The fusions were previously described in non-small cell lung cancer. The rearrangement results in a fusion of the RET tyrosine kinase to regulatory domains of RUFY2 and KIAA1468.
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Affiliation(s)
- Julia Isabelle Staubitz
- Section of Endocrine Surgery, Department of General, Visceral and Transplantation Surgery, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany.
| | - Arno Schad
- Institute of Pathology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Erik Springer
- Institute of Pathology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Krishnaraj Rajalingam
- Research Center for Immunotherapy, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Hauke Lang
- Department of General, Visceral and Transplantation Surgery, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Wilfried Roth
- Institute of Pathology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Nils Hartmann
- Institute of Pathology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Thomas Johannes Musholt
- Section of Endocrine Surgery, Department of General, Visceral and Transplantation Surgery, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstraße 1, D-55131 Mainz, Germany
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