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Guérin C, Tulasne D. Recording and classifying MET receptor mutations in cancers. eLife 2024; 13:e92762. [PMID: 38652103 DOI: 10.7554/elife.92762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
Tyrosine kinase inhibitors (TKI) directed against MET have been recently approved to treat advanced non-small cell lung cancer (NSCLC) harbouring activating MET mutations. This success is the consequence of a long characterization of MET mutations in cancers, which we propose to outline in this review. MET, a receptor tyrosine kinase (RTK), displays in a broad panel of cancers many deregulations liable to promote tumour progression. The first MET mutation was discovered in 1997, in hereditary papillary renal cancer (HPRC), providing the first direct link between MET mutations and cancer development. As in other RTKs, these mutations are located in the kinase domain, leading in most cases to ligand-independent MET activation. In 2014, novel MET mutations were identified in several advanced cancers, including lung cancers. These mutations alter splice sites of exon 14, causing in-frame exon 14 skipping and deletion of a regulatory domain. Because these mutations are not located in the kinase domain, they are original and their mode of action has yet to be fully elucidated. Less than five years after the discovery of such mutations, the efficacy of a MET TKI was evidenced in NSCLC patients displaying MET exon 14 skipping. Yet its use led to a resistance mechanism involving acquisition of novel and already characterized MET mutations. Furthermore, novel somatic MET mutations are constantly being discovered. The challenge is no longer to identify them but to characterize them in order to predict their transforming activity and their sensitivity or resistance to MET TKIs, in order to adapt treatment.
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Affiliation(s)
- Célia Guérin
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - David Tulasne
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
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Fang Y, Wan JP, Wang Z, Song SY, Zhang CX, Yang L, Zhang QY, Yan CY, Wu FY, Lu SY, Sun F, Han B, Zhao SX, Dong M, Song HD. Deficiency of the HGF/Met pathway leads to thyroid dysgenesis by impeding late thyroid expansion. Nat Commun 2024; 15:3165. [PMID: 38605010 PMCID: PMC11009301 DOI: 10.1038/s41467-024-47363-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 03/28/2024] [Indexed: 04/13/2024] Open
Abstract
The mechanisms of bifurcation, a key step in thyroid development, are largely unknown. Here we find three zebrafish lines from a forward genetic screening with similar thyroid dysgenesis phenotypes and identify a stop-gain mutation in hgfa and two missense mutations in met by positional cloning from these zebrafish lines. The elongation of the thyroid primordium along the pharyngeal midline was dramatically disrupted in these zebrafish lines carrying a mutation in hgfa or met. Further studies show that MAPK inhibitor U0126 could mimic thyroid dysgenesis in zebrafish, and the phenotypes are rescued by overexpression of constitutively active MEK or Snail, downstream molecules of the HGF/Met pathway, in thyrocytes. Moreover, HGF promotes thyrocyte migration, which is probably mediated by downregulation of E-cadherin expression. The delayed bifurcation of the thyroid primordium is also observed in thyroid-specific Met knockout mice. Together, our findings reveal that HGF/Met is indispensable for the bifurcation of the thyroid primordium during thyroid development mediated by downregulation of E-cadherin in thyrocytes via MAPK-snail pathway.
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Affiliation(s)
- Ya Fang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Department of Endocrinology and Metabolism, The Fourth Affiliated Hospital of Soochow University, Medical Center of Soochow University, Suzhou, Jiangsu, 215000, China
| | - Jia-Ping Wan
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Department of Endocrinology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zheng Wang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Shi-Yang Song
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cao-Xu Zhang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Liu Yang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Qian-Yue Zhang
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Chen-Yan Yan
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Feng-Yao Wu
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Sang-Yu Lu
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Feng Sun
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Bing Han
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Shuang-Xia Zhao
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Mei Dong
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Huai-Dong Song
- Department of Molecular Diagnostics & Endocrinology, The Core Laboratory in Medical Center of Clinical Research, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
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3
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Xiang C, Lv X, Chen K, Guo L, Zhao R, Teng H, Ye M, Kuang T, Hou T, Liu C, Du H, Zhang Z, Han Y. Unraveling the Significance of MET Focal Amplification in Lung Cancer: Integrative NGS, FISH, and IHC Investigation. Mod Pathol 2024; 37:100451. [PMID: 38369190 DOI: 10.1016/j.modpat.2024.100451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/24/2024] [Accepted: 02/04/2024] [Indexed: 02/20/2024]
Abstract
MET amplification (METamp) represents a promising therapeutic target in non-small cell lung cancer, but no consensus has been established to identify METamp-dependent tumors that could potentially benefit from MET inhibitors. In this study, an analysis of MET amplification/overexpression status was performed in a retrospectively recruited cohort comprising 231 patients with non-small cell lung cancer from Shanghai Chest Hospital (SCH cohort) using 3 methods: fluorescence in situ hybridization (FISH), hybrid capture-based next-generation sequencing, and immunohistochemistry for c-MET and phospho-MET. The SCH cohort included 130 cases known to be METamp positive by FISH and 101 negative controls. The clinical relevance of these approaches in predicting the efficacy of MET inhibitors was evaluated. Additionally, next-generation sequencing data from another 2 cohorts including 22,010 lung cancer cases were utilized to examine the biological characteristics of different METamp subtypes. Of the 231 cases, 145 showed MET amplification/overexpression using at least 1 method, whereas only half of them could be identified by all 3 methods. METamp can occur as focal amplification or polysomy. Our study revealed that the inconsistency between next-generation sequencing and FISH primarily occurred in the polysomy subtype. Further investigations indicated that compared with polysomy, focal amplification correlated with fewer co-occurring driver mutations, higher protein expressions of c-MET and phospho-MET, and higher incidence in acquired resistance than in de novo setting. Moreover, patients with focal amplification presented a more robust response to MET inhibitors compared with those with polysomy. Notably, a strong correlation was observed between focal amplification and programmed cell death ligand-1 expression, indicating potential therapeutic implications with combined MET inhibitor and immunotherapy for patients with both alterations. Our findings provide insights into the molecular complexity and clinical relevance of METamp in lung cancer, highlighting the role of MET focal amplification as an oncogenic driver and its feasibility as a primary biomarker to further investigate the clinical activity of MET inhibitors in future studies.
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Affiliation(s)
- Chan Xiang
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xinze Lv
- Burning Rock Biotech, Guangzhou, China
| | - Ke Chen
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Department of Pathology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lianying Guo
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruiying Zhao
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haohua Teng
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Ye
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | | | - Ting Hou
- Burning Rock Biotech, Guangzhou, China
| | | | - Haiwei Du
- Burning Rock Biotech, Guangzhou, China
| | | | - Yuchen Han
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Ramesh S, Cifci A, Javeri S, Minne RL, Longhurst CA, Nickel KP, Kimple RJ, Baschnagel AM. MET Inhibitor Capmatinib Radiosensitizes MET Exon 14-Mutated and MET-Amplified Non-Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2024; 118:1379-1390. [PMID: 37979706 DOI: 10.1016/j.ijrobp.2023.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 11/20/2023]
Abstract
PURPOSE The objective of this study was to investigate the effects of inhibiting the MET receptor with capmatinib, a potent and clinically relevant ATP-competitive tyrosine kinase inhibitor, in combination with radiation in MET exon 14-mutated and MET-amplified non-small cell lung (NSCLC) cancer models. METHODS AND MATERIALS In vitro effects of capmatinib and radiation on cell proliferation, colony formation, MET signaling, apoptosis, and DNA damage repair were evaluated. In vivo tumor responses were assessed in cell line xenograft and patient-derived xenograft models. Immunohistochemistry was used to confirm the in vitro results. RESULTS In vitro clonogenic survival assays demonstrated radiosensitization with capmatinib in both MET exon 14-mutated and MET-amplified NSCLC cell lines. No radiation-enhancing effect was observed in MET wild-type NSCLC and a human bronchial epithelial cell line. Minimal apoptosis was detected with the combination of capmatinib and radiation. Capmatinib plus radiation compared with radiation alone resulted in inhibition of DNA double-strand break repair, as measured by prolonged expression of γH2AX. In vivo, the combination of capmatinib and radiation significantly delayed tumor growth compared with vehicle control, capmatinib alone, or radiation alone. Immunohistochemistry indicated inhibition of phospho-MET and phospho-S6 and a decrease in Ki67 with inhibition of MET. CONCLUSIONS Inhibition of MET with capmatinib enhances the effect of radiation in both MET exon 14-mutated and MET-amplified NSCLC models.
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Affiliation(s)
- Shrey Ramesh
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Ahmet Cifci
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Saahil Javeri
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Rachel L Minne
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Colin A Longhurst
- Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Kwangok P Nickel
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Randall J Kimple
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin; University of Wisconsin Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin.
| | - Andrew M Baschnagel
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin; University of Wisconsin Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin.
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5
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Luo NY, Minne RL, Gallant JP, Gunaratne GS, West JL, Javeri S, Robertson AJ, Lake EW, Engle JW, Mixdorf JC, Aluicio-Sarduy E, Nickel KP, Hernandez R, Kimple RJ, Baschnagel AM, LeBeau AM. Development of an Engineered Single-Domain Antibody for Targeting MET in Non-Small Cell Lung Cancer. Bioconjug Chem 2024; 35:389-399. [PMID: 38470611 DOI: 10.1021/acs.bioconjchem.4c00019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
The Mesenchymal Epithelial Transition (MET) receptor tyrosine kinase is upregulated or mutated in 5% of non-small-cell lung cancer (NSCLC) patients and overexpressed in multiple other cancers. We sought to develop a novel single-domain camelid antibody with high affinity for MET that could be used to deliver conjugated payloads to MET expressing cancers. From a naïve camelid variable-heavy-heavy (VHH) domain phage display library, we identified a VHH clone termed 1E7 that displayed high affinity for human MET and was cross-reactive with MET across multiple species. When expressed as a bivalent human Fc fusion protein, 1E7-Fc was found to selectively bind to EBC-1 (MET amplified) and UW-Lung 21 (MET exon 14 mutated) cell lines by flow cytometry and immunofluorescence imaging. Next, we investigated the ability of [89Zr]Zr-1E7-Fc to detect MET expression in vivo by PET/CT imaging. [89Zr]Zr-1E7-Fc demonstrated rapid localization and high tumor uptake in both xenografts with a %ID/g of 6.4 and 5.8 for EBC-1 and UW-Lung 21 at 24 h, respectively. At the 24 h time point, clearance from secondary and nontarget tissues was also observed. Altogether, our data suggest that 1E7-Fc represents a platform technology that can be employed to potentially both image and treat MET-altered NSCLC.
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Affiliation(s)
- Natalie Y Luo
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Rachel L Minne
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Joseph P Gallant
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Molecular and Cellular Pharmacology Program, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Gihan S Gunaratne
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Jayden L West
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Molecular and Cellular Pharmacology Program, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Saahil Javeri
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Austin J Robertson
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Molecular and Cellular Pharmacology Program, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Eric W Lake
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Jonathan W Engle
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Jason C Mixdorf
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Eduardo Aluicio-Sarduy
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Kwang P Nickel
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Reinier Hernandez
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Randall J Kimple
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Andrew M Baschnagel
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
| | - Aaron M LeBeau
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, United States
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Roper N, El Meskini R, Maity T, Atkinson D, Day A, Pate N, Cultraro CM, Pack S, Zgonc V, Weaver Ohler Z, Guha U. Functional Heterogeneity in MET Pathway Activation in PDX Models of Osimertinib-resistant EGFR-driven Lung Cancer. Cancer Res Commun 2024; 4:337-348. [PMID: 38276867 PMCID: PMC10851855 DOI: 10.1158/2767-9764.crc-23-0321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 11/20/2023] [Accepted: 01/20/2024] [Indexed: 01/27/2024]
Abstract
MET pathway activation is one of the most common mechanisms of resistance to osimertinib in EGFR-mutant non-small cell lung cancer (NSCLC). We previously demonstrated spatial and temporal heterogeneity in MET pathway activation upon osimertinib resistance in EGFR-mutant NSCLC; however, the functional relevance of these findings is unclear. Here, we generated 19 patient-derived xenografts (PDX) from 9 patients with multi-region and temporal sampling of osimertinib-resistant tumor tissue from patients with EGFR-mutant NSCLC. MET pathway activation was a putative mechanism of osimertinib resistance in 66% (n = 6/9) patients from whom PDXs were generated. Significant spatial and temporal heterogeneity in MET pathway activation was evident. Osimertinib-resistant PDXs with MET amplification by FISH (defined as MET/CEP7 ratio ≥2.0 or mean MET ≥ 6.0 copies/cell) and high-level phospho-MET, but not c-MET expression, had better responses to osimertinib and savolitinib combination than to osimertinib alone. MET polysomy tumors by FISH from both PDXs and patients had evidence of subclonal phospho-MET expression. Select MET polysomy PDX tumors with phospho-MET expression responded better to osimertinib and savolitinib combination than MET polysomy PDX tumors without phospho-MET expression. Our results suggest osimertinib and savolitinib combination is most effective for osimertinib-resistant EGFR-mutant tumors with MET pathway activation as evidenced by phospho-MET. As subclonal MET amplification may be evident in MET polysomy tumor progression, MET polysomy warrants close clinical follow-up with phospho-MET IHC in parallel with FISH diagnostic. SIGNIFICANCE Using a novel cohort of in vivo PDX models of MET pathway activation with acquired resistance to osimertinib in EGFR-mutant lung cancer, we demonstrate that phospho-MET may be a clinically relevant assay to guide treatment selection with osimertinib and savolitinib combination. In addition, our work shows that patients with MET polysomy tumors may have subclonal MET amplification and therefore require close follow up for the use of osimertinib and savolitinib combination.
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Affiliation(s)
- Nitin Roper
- Developmental Therapeutics Branch, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Rajaa El Meskini
- Center for Advanced Preclinical Research, Frederick National Laboratory for Cancer Research, NCI, Frederick, Maryland
| | - Tapan Maity
- Thoracic and GI Malignancies Branch, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Devon Atkinson
- Center for Advanced Preclinical Research, Frederick National Laboratory for Cancer Research, NCI, Frederick, Maryland
| | - Amanda Day
- Center for Advanced Preclinical Research, Frederick National Laboratory for Cancer Research, NCI, Frederick, Maryland
| | - Nathan Pate
- Center for Advanced Preclinical Research, Frederick National Laboratory for Cancer Research, NCI, Frederick, Maryland
| | - Constance M. Cultraro
- Thoracic and GI Malignancies Branch, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Svetlana Pack
- Laboratory of Pathology, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Valerie Zgonc
- Laboratory of Pathology, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Zoe Weaver Ohler
- Center for Advanced Preclinical Research, Frederick National Laboratory for Cancer Research, NCI, Frederick, Maryland
| | - Udayan Guha
- Thoracic and GI Malignancies Branch, Center for Cancer Research, NCI, Bethesda, Maryland
- NextCure Inc., Beltsville, Maryland
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7
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Liang Q, Hu Y, Yuan Q, Yu M, Wang H, Zhao B. MET exon 14 skipping mutation drives cancer progression and recurrence via activation of SMAD2 signalling. Br J Cancer 2024; 130:380-393. [PMID: 38110666 PMCID: PMC10844616 DOI: 10.1038/s41416-023-02495-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 10/26/2023] [Accepted: 11/06/2023] [Indexed: 12/20/2023] Open
Abstract
BACKGROUND c-Met encoded by the proto-oncogene MET, also known as hepatocyte growth factor (HGF) receptor, plays a crucial role in cellular processes. MET exon 14 skipping alteration (METΔ14EX) is a newly discovered MET mutation. SMAD2 is an important downstream transcription factor in TGF-β pathway. Unfortunately, the mechanisms by which METΔ14EX leads to oncogenic transformation are scarcely understood. The relationship between METΔ14EX and SMAD2 has not been studied yet. METHODS We generate METΔ14EX models by CRISPR-Cas9. In vitro transwell, wound-healing, soft-agar assay, in vivo metastasis and subcutaneous recurrence assay were used to study the role of METΔ14EX in tumour progression. RNA-seq, Western blotting, co-immunoprecipitation (CO-IP) and immunofluorescent were performed to explore the interaction between c-Met and SMAD2. RESULTS Our results demonstrated that METΔ14EX, independent of HGF, can prolong the constitutive activation of c-Met downstream signalling pathways by impeding c-Met degradation and facilitating tumour metastasis and recurrence. Meanwhile, METΔ14EX strengthens the interaction between c-Met and SMAD2, promoting SMAD2 phosphorylation. Therapeutically, MET inhibitor crizotinib impedes METΔ14EX-mediated tumour metastasis by decreasing SMAD2 phosphorylation. CONCLUSIONS These data elucidated the previously unrecognised role of METΔ14EX in cancer progression via activation of SMAD2 independent of TGF-β, which helps to develop more effective therapies for such patients. METΔ14EX alteration significantly triggers tumour progression via activation of SMAD2 signalling that are involved in activating tumour invasion, metastasis and recurrence. On the left, in the MET wild-type (METWT), the juxtamembrane (JM) domain is involved in the regulation of tyrosine kinase activity, receptor degradation, and caspase cleavage. On the right, the METΔ14EX mutation leads to the loss of the juxtamembrane domain, resulting in an abnormal MET protein lacking a CBL-binding site. This causes the accumulation of truncated MET receptors followed by constitutive activation of the MET signalling pathway. Thus, the METΔ14EX-mutated protein has strong binding and phosphorylation to SMAD2, which results in the phosphorylation of a large number of SMAD2/3 proteins that combine with SMAD4 to form a complex in the nucleus, activating downstream signalling pathways, such as EMT and ECM remodelling, resulting in tumour progression and recurrence. TF transcription factor.
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Affiliation(s)
- Qiaoyan Liang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yajun Hu
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Qingyun Yuan
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Min Yu
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
| | - Huijie Wang
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Department of Medical Oncology, Shanghai Cancer Center, Fudan University, Shanghai, China.
| | - Bing Zhao
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
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Zhao S, Ma Y, Liu L, Fang J, Ma H, Feng G, Xie B, Zeng S, Chang J, Ren J, Zhang Y, Xi N, Zhuang Y, Jiang Y, Zhang Q, Kang N, Zhang L, Zhao H. Ningetinib plus gefitinib in EGFR-mutant non-small-cell lung cancer with MET and AXL dysregulations: A phase 1b clinical trial and biomarker analysis. Lung Cancer 2024; 188:107468. [PMID: 38181454 DOI: 10.1016/j.lungcan.2024.107468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/26/2023] [Accepted: 01/01/2024] [Indexed: 01/07/2024]
Abstract
BACKGROUND MET and AXL dysregulations are implicated in acquired resistance to EGFR-TKIs in NSCLC. But consensus on the optimal definition for MET/AXL dysregulations in EGFR-mutant NSCLC is lacking. Here, we investigated the efficacy and tolerability of ningetinib (a MET/AXL inhibitor) plus gefitinib in EGFR-mutant NSCLC, and evaluated the clinical relevance of MET/AXL dysregulations by different definitions. METHODS Patients in this phase 1b dose-escalation/dose-expansion trial received ningetinib 30 mg/40 mg/60 mg plus gefitinib 250 mg once daily. Primary endpoints were tolerability (dose-escalation) and objective response rate (dose-expansion). MET/AXL status were analyzed using FISH and IHC. RESULTS Between March 2017 and January 2021, 108 patients were enrolled. The proportion of MET focal amplification, MET polysomy, MET overexpression, AXL amplification and AXL overexpression is 18.1 %, 5.6 %, 55.8 %, 8.1 % and 45.3 %, respectively. 6.8 % patients have concurrent MET amplification and AXL overexpression. ORR is 30.8 % for tumors with MET amplification, 0 % for MET polysomy, 24.1 % for MET overexpression, 20 % for AXL amplification and 27.6 % for AXL overexpression. For patients with concurrent MET amplification and AXL overexpression, ningetinib plus gefitinib provides an ORR of 80 %, DCR of 100 % and median PFS of 4.7 months. Tumors with higher MET copy number and AXL expression tend to have higher likelihood of response. Biomarker analyses show that MET focal amplification and overexpression are complementary in predicting clinical benefit from MET inhibition, while AXL dysregulations defined by an arbitrary level may dilute the efficacy of AXL blockade. CONCLUSIONS This study demonstrates that combined blockade of MET, AXL and EGFR is a feasible strategy for a subset of EGFR-mutant NSCLC. TRIAL REGISTRATION Chinadrugtrials.org.cn, CTR20160875.
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Affiliation(s)
- Shen Zhao
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yuxiang Ma
- Department of Clinical Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Lianke Liu
- Department of Oncology, Jiangsu Provincial Hospital, Nanjing, China
| | - Jian Fang
- Department of Thoracic Oncology, Beijing Cancer Hospital, Beijing, China
| | - Haiqing Ma
- Department of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Guosheng Feng
- Department of Oncology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Bo Xie
- Department of Oncology, General Hospital of the PLA South Military Command, PLA, Guangzhou, China
| | - Shan Zeng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, China
| | - Jianhua Chang
- Department of Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jun Ren
- Department of Oncology, Beijing Shijitan Hospital, Beijing, China
| | | | - Ning Xi
- Sunshine Lake Pharma Co., Ltd, Dongguan, China; Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
| | | | | | - Qi Zhang
- Sunshine Lake Pharma Co., Ltd, Dongguan, China
| | - Ning Kang
- Sunshine Lake Pharma Co., Ltd, Dongguan, China
| | - Li Zhang
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.
| | - Hongyun Zhao
- Department of Clinical Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.
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Qin S, Pan H, Blanc JF, Grando V, Lim HY, Chang XY, O'Brate A, Stroh C, Friese-Hamim M, Albers J, Johne A, Faivre S. Activity of Tepotinib in Hepatocellular Carcinoma With High-Level MET Amplification: Preclinical and Clinical Evidence. JCO Precis Oncol 2024; 8:e2300328. [PMID: 38354329 DOI: 10.1200/po.23.00328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 09/29/2023] [Accepted: 12/11/2023] [Indexed: 02/16/2024] Open
Abstract
PURPOSE MET amplification (METamp) has been reported in 1%-5% of patients with hepatocellular carcinoma (HCC) and may be sensitive to MET inhibition. Tepotinib, a selective MET inhibitor, has shown promising activity in HCC with MET overexpression. We investigated the preclinical and clinical activity of tepotinib in HCC with METamp (MET gene copy number [GCN] ≥5), including high-level METamp (MET GCN ≥10). METHODS Preclinical antitumor activity of tepotinib 100 mg/kg (orally, days 1-5, every 7 days, 3-5 weeks; 3-12 replicates) was evaluated according to METamp status, as determined using the nCounter platform (NanoString), in 37 HCC patient-derived xenografts (PDXs) in immunodeficient mice. Clinical outcomes were evaluated in patients with METamp by fluorescence in situ hybridization who received tepotinib 500 mg (450 mg active moiety) in two phase Ib/II trials in HCC with MET overexpression. RESULTS Across the PDX models, tepotinib induced complete or near-complete tumor regression in the only two models with high-level METamp. Median tumor volume reductions were 100% and 99.8% in models with MET GCN 47.1 and 44.0, respectively. Across the two clinical trials, 15/121 patients had METamp. Disease control was achieved by 11/15 patients with METamp (complete response [CR], n = 1; partial response [PR], n = 4; stable disease [SD], n = 6) and 4/4 with high-level METamp (CR, n = 1; PR, n = 2; SD, n = 1). All three patients with high-level METamp and objective response received treatment for >1 year, including one patient who received first-line tepotinib for >6 years. CONCLUSION High-level METamp may be an oncogenic driver in HCC that is sensitive to MET inhibitors such as tepotinib.
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Affiliation(s)
- Shukui Qin
- PLA Cancer Center, Nanjing Bayi Hospital, Nanjing, China
- Cancer Center of Jinling Hospital, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hongming Pan
- Sir Run Run Shaw Hospital, Zhejiang University, School of Medicine, Hangzhou, China
| | | | | | - Ho Yeong Lim
- Samsung Medical Center, Sungkyunkwan University, Seoul, Republic of Korea
| | - Xin Ying Chang
- Global Clinical Development China, Merck Serono Co., Ltd, Beijing, China, an affiliate of Merck KGaA, Darmstadt, Germany
| | - Aurora O'Brate
- The healthcare business of Merck KGaA, Darmstadt, Germany
| | | | | | - Joachim Albers
- The healthcare business of Merck KGaA, Darmstadt, Germany
| | - Andreas Johne
- The healthcare business of Merck KGaA, Darmstadt, Germany
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10
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Sohn SH, Sul HJ, Kim BJ, Zang DY. Comparison of Tepotinib, Paclitaxel, or Ramucirumab Efficacy According to the Copy Number or Phosphorylation Status of the MET Gene: Doublet Treatment versus Single Agent Treatment. Int J Mol Sci 2024; 25:1769. [PMID: 38339049 PMCID: PMC10855451 DOI: 10.3390/ijms25031769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/19/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
Although conventional combination chemotherapies for advanced gastric cancer (GC) increase survival, such therapies are associated with major adverse effects; more effective and less toxic treatments are required. Combinations of different anti-cancer drugs, for example, paclitaxel plus ramucirumab, have recently been used as second-line treatments for advanced GC. This study evaluated how copy number variations of the MET gene, MET mutations, and MET gene and protein expression levels in human GC cells modulate the susceptibility of such cells to single-agent (tepotinib, ramucirumab, or paclitaxel) and doublet (tepotinib-plus-paclitaxel or ramucirumab-plus-paclitaxel treatment regimens. Compared with ramucirumab-plus-paclitaxel, tepotinib-plus-paclitaxel better inhibited the growth of GC cells with MET exon 14 skipping mutations and those lacking MET amplification but containing phosphorylated MET; such inhibition was dose-dependent and associated with cell death. Tepotinib-plus-paclitaxel and ramucirumab-plus-paclitaxel similarly inhibited the growth of GC cells lacking MET amplification or MET phosphorylation, again in a dose-dependent manner, but without induction of cell death. However, tepotinib alone or tepotinib-plus-ramucirumab was more effective against c-MET-positive GC cells (>30 copy number variations) than was ramucirumab or paclitaxel alone or ramucirumab-plus-paclitaxel. These in vitro findings suggest that compared with ramucirumab-plus-paclitaxel, tepotinib-plus-paclitaxel better inhibits the growth of c-MET-positive GC cells, cells lacking MET amplification but containing phosphorylated MET, and cells containing MET mutations. Clinical studies are required to confirm the therapeutic effects of these regimens.
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Affiliation(s)
- Sung-Hwa Sohn
- Hallym Translational Research Institute, Hallym University Sacred Heart Hospital, Anyang-si 14066, Republic of Korea; (S.-H.S.); (H.J.S.)
| | - Hee Jung Sul
- Hallym Translational Research Institute, Hallym University Sacred Heart Hospital, Anyang-si 14066, Republic of Korea; (S.-H.S.); (H.J.S.)
| | - Bum Jun Kim
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University Medical Center, Hallym University College of Medicine, Anyang-si 14068, Republic of Korea;
| | - Dae Young Zang
- Hallym Translational Research Institute, Hallym University Sacred Heart Hospital, Anyang-si 14066, Republic of Korea; (S.-H.S.); (H.J.S.)
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University Medical Center, Hallym University College of Medicine, Anyang-si 14068, Republic of Korea;
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11
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Al-Ghabkari A, Huang B, Park M. Aberrant MET Receptor Tyrosine Kinase Signaling in Glioblastoma: Targeted Therapy and Future Directions. Cells 2024; 13:218. [PMID: 38334610 PMCID: PMC10854665 DOI: 10.3390/cells13030218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/27/2023] [Accepted: 01/12/2024] [Indexed: 02/10/2024] Open
Abstract
Brain tumors represent a heterogeneous group of neoplasms characterized by a high degree of aggressiveness and a poor prognosis. Despite recent therapeutic advances, the treatment of brain tumors, including glioblastoma (GBM), an aggressive primary brain tumor associated with poor prognosis and resistance to therapy, remains a significant challenge. Receptor tyrosine kinases (RTKs) are critical during development and in adulthood. Dysregulation of RTKs through activating mutations and gene amplification contributes to many human cancers and provides attractive therapeutic targets for treatment. Under physiological conditions, the Met RTK, the hepatocyte growth factor/scatter factor (HGF/SF) receptor, promotes fundamental signaling cascades that modulate epithelial-to-mesenchymal transition (EMT) involved in tissue repair and embryogenesis. In cancer, increased Met activity promotes tumor growth and metastasis by providing signals for proliferation, survival, and migration/invasion. Recent clinical genomic studies have unveiled multiple mechanisms by which MET is genetically altered in GBM, including focal amplification, chromosomal rearrangements generating gene fusions, and a splicing variant mutation (exon 14 skipping, METex14del). Notably, MET overexpression contributes to chemotherapy resistance in GBM by promoting the survival of cancer stem-like cells. This is linked to distinctive Met-induced pathways, such as the upregulation of DNA repair mechanisms, which can protect tumor cells from the cytotoxic effects of chemotherapy. The development of MET-targeted therapies represents a major step forward in the treatment of brain tumours. Preclinical studies have shown that MET-targeted therapies (monoclonal antibodies or small molecule inhibitors) can suppress growth and invasion, enhancing the efficacy of conventional therapies. Early-phase clinical trials have demonstrated promising results with MET-targeted therapies in improving overall survival for patients with recurrent GBM. However, challenges remain, including the need for patient stratification, the optimization of treatment regimens, and the identification of mechanisms of resistance. This review aims to highlight the current understanding of mechanisms underlying MET dysregulation in GBM. In addition, it will focus on the ongoing preclinical and clinical assessment of therapies targeting MET dysregulation in GBM.
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Affiliation(s)
- Abdulhameed Al-Ghabkari
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC H3A 1A3, Canada; (A.A.-G.); (B.H.)
| | - Bruce Huang
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC H3A 1A3, Canada; (A.A.-G.); (B.H.)
- Department of Biochemistry, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Morag Park
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC H3A 1A3, Canada; (A.A.-G.); (B.H.)
- Department of Biochemistry, McGill University, Montreal, QC H3G 1Y6, Canada
- Department of Oncology, McGill University, Montreal, QC H4A 3T2, Canada
- Department of Medicine, McGill University, Montreal, QC H4A 3J1, Canada
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12
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Jones VT, Graves-Deal R, Cao Z, Bogatcheva G, Ramirez MA, Harmych SJ, Higginbotham JN, Sharma V, Damalanka VC, Wahoski CC, Joshi N, Irudayam MJ, Roland JT, Ayers GD, Liu Q, Coffey RJ, Janetka JW, Singh B. Inhibition of autocrine HGF maturation overcomes cetuximab resistance in colorectal cancer. Cell Mol Life Sci 2024; 81:28. [PMID: 38212428 PMCID: PMC10784391 DOI: 10.1007/s00018-023-05071-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/27/2023] [Accepted: 11/27/2023] [Indexed: 01/13/2024]
Abstract
Although amplifications and mutations in receptor tyrosine kinases (RTKs) act as bona fide oncogenes, in most cancers, RTKs maintain moderate expression and remain wild-type. Consequently, cognate ligands control many facets of tumorigenesis, including resistance to anti-RTK therapies. Herein, we show that the ligands for the RTKs MET and RON, HGF and HGFL, respectively, are synthesized as inactive precursors that are activated by cellular proteases. Our newly generated HGF/HGFL protease inhibitors could overcome both de novo and acquired cetuximab resistance in colorectal cancer (CRC). Conversely, HGF overexpression was necessary and sufficient to induce cetuximab resistance and loss of polarity. Moreover, HGF-induced cetuximab resistance could be overcome by the downstream MET inhibitor, crizotinib, and upstream protease inhibitors. Additionally, HAI-1, an endogenous inhibitor of HGF proteases, (i) was downregulated in CRC, (ii) exhibited increased genomic methylation that correlated with poor prognosis, (iii) HAI-1 expression correlated with cetuximab response in a panel of cancer cell lines, and (iv) exogenous addition of recombinant HAI-1 overcame cetuximab resistance in CC-HGF cells. Thus, we describe a targetable, autocrine HAI-1/Protease/HGF/MET axis in cetuximab resistance in CRC.
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Affiliation(s)
- Vivian Truong Jones
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
- Department of Pharmacology, Vanderbilt University, Nashville, TN, 37232, USA
| | - Ramona Graves-Deal
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Zheng Cao
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Galina Bogatcheva
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Marisol A Ramirez
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
- Center for Quantitative Sciences, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Sarah J Harmych
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN, 37232, USA
| | - James N Higginbotham
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Vineeta Sharma
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Vishnu C Damalanka
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, Saint Louis, MO, 63110, USA
| | - Claudia C Wahoski
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
- Program in Cancer Biology, Vanderbilt University, Nashville, TN, 37232, USA
| | - Neeraj Joshi
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Maria Johnson Irudayam
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
| | - Joseph T Roland
- Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Gregory D Ayers
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Qi Liu
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
- Center for Quantitative Sciences, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Robert J Coffey
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA
- Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - James W Janetka
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, Saint Louis, MO, 63110, USA
| | - Bhuminder Singh
- Department of Medicine, Vanderbilt University Medical Center, 10465J, MRB IV, 2213 Garland Avenue, Nashville, TN, 37232-0441, USA.
- Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
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13
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Chauhan S, Sen S, Irshad K, Kashyap S, Pushker N, Meel R, Sharma MC. Receptor tyrosine kinase gene expression profiling of orbital rhabdomyosarcoma unveils MET as a potential biomarker and therapeutic target. Hum Cell 2024; 37:297-309. [PMID: 37914903 DOI: 10.1007/s13577-023-00993-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 10/06/2023] [Indexed: 11/03/2023]
Abstract
Receptor tyrosine kinases (RTKs) serve as molecular targets for the development of novel personalized therapies in many malignancies. In the present study, expression pattern of receptor tyrosine kinases and its clinical significance in orbital RMS has been explored. Eighteen patients with histopathologically confirmed orbital RMS formed part of this study. Comprehensive q-PCR gene expression profiles of 19 RTKs were generated in the cases and controls. The patients were followed up for 59.53 ± 20.93 years. Clustering and statistical analysis tools were applied to identify the significant combination of RTKs associated with orbital rhabdomyosarcoma patients. mRNA overexpression of RTKs which included MET, AXL, EGFR was seen in 60-80% of cases; EGFR3, IGFR2, FGFR1, RET, PDGFR1, VEGFR2, PDGFR2 in 30-60% of cases; and EGFR4, FGFR3,VEGFR3 and ROS,IGFR1, EGFR1, FGFR2, VEGFR1 in 10-30% of cases. Immunoexpression of MET was seen in 89% of cases. A significant association was seen between MET mRNA and its protein expression. In all the cases MET gene expression was associated with worst overall survival (P = 0.03).There was a significant correlation of MET mRNA expression with RET, ROS, AXL, FGFR1, FGFR3, PDGFR1, IGFR1, VEGFR2, and EGFR3 genes. Association between MET gene and collective expression of RTKs was further evaluated by semi-supervised gene cluster analysis and Principal component analysis, which showed well-separated tumor clusters. MET gene overexpression could be a useful biomarker for identifying high risk orbital rhabdomyosarcoma patients. Well-separated tumor clusters confirmed the association between MET gene and collective expression of RTK genes. Therefore, the therapeutic potential of multi-kinase inhibitors targeting MET and the 9 other significant RTKs needs to be explored.
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Affiliation(s)
- Sheetal Chauhan
- Ocular Pathology, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, Room No. 725, New Delhi, 110029, India
| | - Seema Sen
- Ocular Pathology, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, Room No. 725, New Delhi, 110029, India.
| | - Khushboo Irshad
- Department of Biochemistry, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
| | - Seema Kashyap
- Ocular Pathology, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, Room No. 725, New Delhi, 110029, India
| | - Neelam Pushker
- Ophthalmoplasty Services, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
| | - Rachna Meel
- Ophthalmoplasty Services, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
| | - Mehar Chand Sharma
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, 110029, India
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14
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Jia X, Feng H, He S, Chen X, Feng H, Chen M, Hu X. HGF facilitates methylation of MEG3, potentially implicated in vemurafenib resistance in melanoma. J Gene Med 2024; 26:e3644. [PMID: 38072402 DOI: 10.1002/jgm.3644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/24/2023] [Accepted: 11/05/2023] [Indexed: 01/30/2024] Open
Abstract
BACKGROUND Melanoma, a frequently encountered cutaneous malignancy characterized by a poor prognosis, persists in presenting formidable challenges despite the advancement in molecularly targeted drugs designed to improve survival rates significantly. Unfortunately, as more therapeutic choices have developed over time, the gradual emergence of drug resistance has become a notable impediment to the effectiveness of these therapeutic interventions. The hepatocyte growth factor (HGF)/c-met signaling pathway has attracted considerable attention, associated with drug resistance stemming from multiple potential mutations within the c-met gene. The activation of the HGF/c-met pathway operates in an autocrine manner in melanoma. Notably, a key player in the regulatory orchestration of HGF/c-met activation is the long non-coding RNA MEG3. METHODS Melanoma tissues were collected to measure MEG3 expression. In vitro validation was performed on MEG3 to prove its oncogenic roles. Bioinformatic analyses were conducted on the TCGA database to build the MEG3-related score. The immune characteristics and mutation features of the MEG3-related score were explored. RESULTS We revealed a negative correlation between HGF and MEG3. In melanoma cells, HGF inhibited MEG3 expression by augmenting the methylation of the MEG3 promoter. Significantly, MEG3 exhibits a suppressive impact on the proliferation and migration of melanoma cells, concurrently inhibiting c-met expression. Moreover, a predictive model centered around MEG3 demonstrates notable efficacy in forecasting critical prognostic indicators, immunological profiles, and mutation statuses among melanoma patients. CONCLUSIONS The present study highlights the potential of MEG3 as a pivotal regulator of c-met, establishing it as a promising candidate for targeted drug development in the ongoing pursuit of effective therapeutic interventions.
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Affiliation(s)
- Xiaomin Jia
- Department of Pathology, Department of Pathology, Lhasa People's Hospital, Lhasa, Tibet Autonomous Region, China
| | - Hao Feng
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Shan He
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Xiao Chen
- Department of Medical Cosmetology, The First People's Hospital of Changde City, Changde, Hunan, China
| | - Hao Feng
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, Hunan, China
| | - Mingliang Chen
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xing Hu
- Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
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15
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Jacoba IM, Lu Z. Hereditary papillary renal cell carcinoma. Semin Diagn Pathol 2024; 41:28-31. [PMID: 38135585 DOI: 10.1053/j.semdp.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/14/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Hereditary papillary renal cell carcinoma (HPRCC) is an autosomal dominant syndrome characterized by the occurrence of bilateral and multifocal, classic type papillary renal cell carcinomas. In the recent decades, extensive molecular studies have narrowed the molecular underpinnings of this syndrome to missense mutations in tyrosine kinase domain of MET proto-oncogene. Although MET mutations are specific to HPRCC, it has been found in sporadic papillary renal cell carcinomas and as recently reported, in biphasic squamoid alveolar variant of papillary renal cell carcinoma. Dual MET/VEGFR2 kinase inhibitor and tyrosine kinase inhibitors have shown promising results in systemic therapy for HPRCC.
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Affiliation(s)
- Isa Mulingbayan Jacoba
- Boston Medical Center/Boston University Chobanian and Avedisian School of Medicine, Department of Pathology and Laboratory Medicine, United States
| | - Zhichun Lu
- Boston Medical Center/Boston University Chobanian and Avedisian School of Medicine, Department of Pathology and Laboratory Medicine, United States.
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16
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Pruis MA, Krebs MG, Plummer R, De Vos F, Angevin E, Prenen H, Forster MD, Clack G, Van der Aa A, Tjwa M, Jansen E, Perera T, Lolkema MP. A Phase I Trial of the Dual MET Kinase/OCT-2 Inhibitor OMO-1 in Metastatic Solid Malignancies Including MET Exon 14 Mutated Lung Cancer. Oncologist 2023; 28:e1248-e1258. [PMID: 37260332 PMCID: PMC10712729 DOI: 10.1093/oncolo/oyad146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 04/13/2023] [Indexed: 06/02/2023] Open
Abstract
INTRODUCTION Targeted therapy in non-small cell lung cancer (NSCLC) patients with mesenchymal epithelial transition (MET) exon 14 skipping mutations (METex14) and MET amplifications has improved patients' outcomes. The development of more potent MET kinase inhibitors could further benefit these patients. The aim of this trial is to determine the safety and recommended phase 2 dose (RP2D) of OMO-1 (an oral dual MET kinase/OCT-2 inhibitor) and to assess preliminary clinical efficacy in METex14-positive NSCLC and other MET-positive solid tumors. MATERIALS AND METHODS This was a first-in-patient, open-label, multicenter study of OMO-1 in patients with locally advanced or metastatic solid malignancies. A standard 3 + 3 dose escalation design was utilized starting at a dose level of 100 mg BID continuously. Preliminary efficacy was investigated in patients with METex14-positive NSCLC, and MET amplified NSCLC and other solid tumors (MET basket). RESULTS In the dose-escalation part, 24 patients were included in 5 dose levels ranging from 100 mg twice daily (BID) to 400 mg BID. Most common adverse events (≥ 20%) were nausea, fatigue, vomiting, increased blood creatinine, and headache. The RP2D was determined at 250 mg BID. In the expansion cohorts, 15 patients were included (10 in METex14-positive NSCLC cohort and 5 in MET basket cohort) and received either 200 or 250 mg BID. Eight out of the 10 patients with METex14 positive NSCLC had stable disease as the best response. CONCLUSION OMO-1 was tolerated at the dose of 250 mg BID and shows initial signs of MET inhibition and anti-tumor activity in METex14 mutated NSCLC patients.
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Affiliation(s)
- Melinda A Pruis
- Department of Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Matthew G Krebs
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, The University of Manchester and The Christie NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Ruth Plummer
- Oncology Department, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle, UK
| | - Filip De Vos
- Department Medical Oncology, University Medical Center Utrecht, University Utrecht, Utrecht, The Netherlands
| | - Eric Angevin
- Drug Development Department (DITEP), Gustave Roussy Institute, Villejuif, France
| | - Hans Prenen
- Department of Medical Oncology, University Hospital Antwerp, Antwerp, Belgium
| | - Martin D Forster
- Department of Oncology, UCL Cancer Institute/ University College London Hospitals NHS Foundation Trust, London, UK
| | | | | | | | | | - Timothy Perera
- Department of Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
- Octimet Oncology NV, Belgium
| | - Martijn P Lolkema
- Department of Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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17
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Li B, Wang Y, Liu B. Transformable DNA Nanorobots Reversibly Regulating Cell Membrane Receptors for Modulation of Cellular Migrations. ACS Nano 2023; 17:22571-22579. [PMID: 37965838 DOI: 10.1021/acsnano.3c06305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Oligomerization of cellular membrane receptors plays crucial roles in activating intracellular downstream signaling cascades for controlling cellular behaviors in physiological and pathological processes. However, the reversible and controllable regulation of receptors in a user-defined manner remains challenging. Herein, we developed a versatile DNA nanorobot (nR) with installed aptamers and hairpin structures to reversibly and controllably regulate cell migration. This was achieved by dimerization and de-dimerization of mesenchymal-epithelial transition (Met) receptors through DNA strand displacement reactions. The functionalized DNA nR not only plays similar roles as hepatocyte growth factor (HGF) in inducing cell migration but also allows a downgrade to the original state of cell migration. The advanced DNA nanomachines can be flexibly designed to target other receptors for manipulating cellular behaviors and thus represent a powerful tool for the future of biological and medical engineering.
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Affiliation(s)
- Bin Li
- Department of Chemistry, Shanghai Stomatological Hospital, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, People's Republic of China
| | - Yuning Wang
- State Key Laboratory for Oncogenes and Related Genes, School of Biomedical Engineering, Institute of Medical Robotics and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Baohong Liu
- Department of Chemistry, Shanghai Stomatological Hospital, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, People's Republic of China
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18
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Standardization Interpretation Expert Committee of MET immunohistochemistry, Molecular Pathology Collaboration Group of Tumor Pathology Committee of Chinese Anti-Cancer Association. [Chinese expert consensus on MET immunohistochemistry detection and interpretation standards for non-small cell lung cancer(2023 version)]. Zhonghua Bing Li Xue Za Zhi 2023; 52:1090-7. [PMID: 37899313 DOI: 10.3760/cma.j.cn112151-20230626-00423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
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19
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Wolf J, Souquet PJ, Goto K, Cortot A, Baik C, Heist R, Kim TM, Han JY, Neal JW, Mansfield AS, Gilloteau I, Nwana N, Waldron-Lynch M, Davis KL, Giovannini M, Awad MM. Improved Survival Outcomes in Patients With MET-Dysregulated Advanced NSCLC Treated With MET Inhibitors: Results of a Multinational Retrospective Chart Review. Clin Lung Cancer 2023; 24:641-650.e2. [PMID: 37741716 DOI: 10.1016/j.cllc.2023.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 08/10/2023] [Accepted: 08/10/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND We evaluated the disease and patient characteristics, treatment, and MET testing patterns, predictive biomarkers and survival outcomes in patients with MET-dysregulated metastatic non-small-cell lung cancer (NSCLC) in a real-world setting. PATIENTS AND METHODS This was a multinational, retrospective, noninterventional chart review study. Data from medical records of patients with advanced/metastatic EGFR wild-type, MET-dysregulated NSCLC (December 2017-September 2018) were abstracted into electronic data collection forms. RESULTS Overall, 211 patient charts were included in this analysis; 157 patients had MET exon 14 skipping mutations (METex14; with or without concomitant MET amplification) and 54 had MET amplification only. All patients were tested for METex14, whereas MET amplification was evaluated in 168 patients. No overlap was reported between MET dysregulation and ALK, ROS1 or RET rearrangements, or HER2 exon 20 insertions. Overall, 56 of 211 patients (26.5%) received MET inhibitor (METi) therapy in any treatment-line setting (31.2% in the METex14 cohort; 13% in the MET-amplified only cohort). In the METex14 cohort, median OS in patients receiving METi was 25.4 months versus 10.7 months in patients who did not (HR [95% CI]: 0.532 [0.340-0.832]; P = .0055). In the MET-amplified only cohort, median OS was 20.6 months in patients treated with METi compared with 7.6 months in those without METi (HR [95% CI]: 0.388 [0.152-0.991]; P = .0479). CONCLUSIONS MET alterations in NSCLC typically occur in the absence of other oncogenic driver mutations and are associated with poor survival outcomes. Notably, METi therapies are associated with improved survival outcomes in patients with MET-dysregulated NSCLC.
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Affiliation(s)
- Jürgen Wolf
- Department of Internal Medicine, Center for Integrated Oncology, University Hospital Cologne, Cologne, Germany.
| | | | - Koichi Goto
- Department of Thoracic Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Alexis Cortot
- Department of Thoracic Oncology, University of Lille, CHU Lille, CNRS, Inserm, Institut Pasteur De Lille, UMR9020-U1277-CANTHER, Lille, France
| | - Christina Baik
- Thoracic, Head and Neck Medical Oncology, University of Washington, Seattle, WA
| | | | - Tae Min Kim
- Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Ji-Youn Han
- Center for Lung Cancer, National Cancer Center, Goyang, Republic of Korea
| | - Joel W Neal
- Medical Oncology, Stanford University Medical Center, Stanford, CA
| | | | | | | | | | | | | | - Mark M Awad
- Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
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20
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Ma H, Wei W, Liang D, Xu X, Yang D, Wang Q, Wang Y, Wei Q, Sun B, Zhao X. HGF-Based CAR-T Cells Target Hepatocellular Carcinoma Cells That Express High Levels of c-Met. Immunol Invest 2023; 52:735-748. [PMID: 37409941 DOI: 10.1080/08820139.2023.2232402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
BACKGROUND CAR-T is emerging as an effective treatment strategy for hematologic malignancies, however its effectiveness for treating solid tumors, such as Hepatocellular Carcinoma (HCC) is limited. Here, we screened a variety of CAR-T cells that target c-Met to investigate their potential to induce HCC cell death in vitro. METHODS Human T cells were transduced to express CARs by lentiviral vector transfection. c-Met expression in human HCC cell lines and CARs expression were monitored by flow cytometry. Tumor cell killing was evaluated by Luciferase Assay System Kit. The concentrations of cytokine were tested by Enzyme-linked immunosorbent assays. Knock down and overexpression studies targeting c-Met were conducted to assess the targeting specificity of CARs. RESULTS We found that CAR T cells expressing a minimal amino-terminal polypeptide sequence comprising the first kringle (kringle 1) domain (denoted as NK1 CAR-T cells), efficiently killed HCC cell lines that expressed high levels of the HGF receptor c-Met. Furthermore, we report that while NK1 CAR-T cells were efficient at targeting SMMC7221 cells for destruction, and its potency was significantly attenuated in parallel experiments with cells stably expressing short hairpin RNAs (shRNAs) that suppressed c-Met expression. Correspondingly, overexpression of c-Met in the embryonic kidney cell line HEK293T led to their enhanced killing by NK1 CAR-T cells. CONCLUSION Our studies demonstrate that a minimal amino-terminal polypeptide sequence comprising the kirngle1 domain of HGF is highly relevant to the design of effective CAR-T cell therapies that kill HCC cells expressing high levels of c-Met.
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Affiliation(s)
- Haiyan Ma
- Department of Rehabilitation Medicine and Laboratory of Animal Tumor Models, National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wenwen Wei
- Department of Targeting Therapy & Immunology and Laboratory of Animal Tumor Models, Cancer Center and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Dandan Liang
- Department of Targeting Therapy & Immunology and Laboratory of Animal Tumor Models, Cancer Center and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xing Xu
- Core Facilities, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Dong Yang
- Department of Targeting Therapy & Immunology and Laboratory of Animal Tumor Models, Cancer Center and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qiong Wang
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Yun Wang
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Quan Wei
- Department of Rehabilitation Medicine and Institute of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province, Chengdu, Sichuan, China
| | - Bin Sun
- Department of Targeting Therapy & Immunology and Laboratory of Animal Tumor Models, Cancer Center and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xudong Zhao
- Department of Targeting Therapy & Immunology and Laboratory of Animal Tumor Models, Cancer Center and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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21
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Tarvestad-Laise K, Ceresa BP. Knockout of c-Cbl/Cbl-b slows c-Met trafficking resulting in enhanced signaling in corneal epithelial cells. J Biol Chem 2023; 299:105233. [PMID: 37690689 PMCID: PMC10622846 DOI: 10.1016/j.jbc.2023.105233] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/12/2023] Open
Abstract
In many cell types, the E3 ubiquitin ligases c-Cbl and Cbl-b induce ligand-dependent ubiquitylation of the hepatocyte growth factor (HGF)-stimulated c-Met receptor and target it for lysosomal degradation. This study determines whether c-Cbl/Cbl-b are negative regulators of c-Met in the corneal epithelium (CE) and if their inhibition can augment c-Met-mediated CE homeostasis. Immortalized human corneal epithelial cells were transfected with Cas9 only (Cas9, control cells) or with Cas9 and c-Cbl/Cbl-b guide RNAs to knockout each gene singularly (-c-Cbl or -Cbl-b cells) or both genes (double KO [DKO] cells) and monitored for their responses to HGF. Cells were assessed for ligand-dependent c-Met ubiquitylation via immunoprecipitation, magnitude, and duration of c-Met receptor signaling via immunoblot and receptor trafficking by immunofluorescence. Single KO cells displayed a decrease in receptor ubiquitylation and an increase in phosphorylation compared to control. DKO cells had no detectable ubiquitylation, had delayed receptor trafficking, and a 2.3-fold increase in c-Met phosphorylation. Based on the observed changes in receptor trafficking and signaling, we examined HGF-dependent in vitro wound healing via live-cell time-lapse microscopy in control and DKO cells. HGF-treated DKO cells healed at approximately twice the rate of untreated cells. From these data, we have generated a model in which c-Cbl/Cbl-b mediate the ubiquitylation of c-Met, which targets the receptor through the endocytic pathway toward lysosomal degradation. In the absence of ubiquitylation, the stimulated receptor stays phosphorylated longer and enhances in vitro wound healing. We propose that c-Cbl and Cbl-b are promising pharmacologic targets for enhancing c-Met-mediated CE re-epithelialization.
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Affiliation(s)
- Kate Tarvestad-Laise
- Department of Pharmacology and Toxicology (KTL, BPC) and Department of Ophthalmology and Vision Sciences (BPC), University of Louisville, Louisville, Kentucky, USA
| | - Brian P Ceresa
- Department of Pharmacology and Toxicology (KTL, BPC) and Department of Ophthalmology and Vision Sciences (BPC), University of Louisville, Louisville, Kentucky, USA.
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22
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Jóri B, Vössing C, Pirngruber J, Willing EM, Arndt K, Falk M, Tiemann M, Heukamp LC, Hoffknecht P. The Combined Therapy of Cabozantinib, Crizotinib, and Osimertinib in a Lung Cancer Patient with Acquired MET Amplification and Resistance Mutations. Curr Oncol 2023; 30:8805-8814. [PMID: 37887535 PMCID: PMC10605877 DOI: 10.3390/curroncol30100635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
EGFR-mutant lung cancers develop a wide range of potential resistance alterations under therapy with the third-generation EGFR tyrosine kinase inhibitor osimertinib. MET amplification ranks among the most common acquired resistance alterations and is currently being investigated as a therapeutic target in several studies. Nevertheless, targeted therapy of MET might similarly result in acquired resistance by point mutations in MET, which further expands therapeutic and diagnostic challenges. Here, we report a 50-year-old male patient with EGFR-mutant lung adenocarcinoma and stepwise acquired resistance by a focal amplification of MET followed by D1246N (D1228N), D1246H (D1228H), and L1213V (L1195V) point mutations in MET, all detected by NGS. The patient successfully responded to the combined and sequential treatment of osimertinib, osimertinib/crizotinib, and third-line osimertinib/cabozantinib. This case highlights the importance of well-designed, sequential molecular diagnostic analyses and the personalized treatment of patients with acquired resistance.
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Affiliation(s)
- Balázs Jóri
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Christine Vössing
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Judith Pirngruber
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Eva Maria Willing
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Kathrin Arndt
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Markus Falk
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Markus Tiemann
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Lukas C. Heukamp
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Institut für Hämatopathologie Hamburg, Fangdieckstraße 75A, 22547 Hamburg, Germany
| | - Petra Hoffknecht
- Lungenkrebsmedizin Oldenburg, Georgstraße 12, 26121 Oldenburg, Germany (K.A.); (L.C.H.)
- Department of Thorax Oncology, Niels-Stensen-Kliniken, Franziskus-Hospital Harderberg Alte, Rothen-Felder Straße 23, 49124 Georgsmarienhütte, Germany
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23
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Fernandes M, Paget S, Kherrouche Z, Truong MJ, Vinchent A, Meneboo JP, Sebda S, Werkmeister E, Descarpentries C, Figeac M, Cortot AB, Tulasne D. Transforming properties of MET receptor exon 14 skipping can be recapitulated by loss of the CBL ubiquitin ligase binding site. FEBS Lett 2023; 597:2301-2315. [PMID: 37468447 DOI: 10.1002/1873-3468.14702] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 06/07/2023] [Accepted: 06/19/2023] [Indexed: 07/21/2023]
Abstract
MET is a receptor tyrosine kinase that is activated in many cancers through various mechanisms. MET exon 14 (Ex14) skipping occurs in 3% of nonsmall cell lung tumors. However, the contribution of the regulatory sites lost upon this skipping, which include a phosphorylated serine (S985) and a binding site for the E3 ubiquitin ligase CBL (Y1003), remains elusive. Sequencing of 2808 lung tumors revealed 71 mutations leading to MET exon 14 skipping and three mutations affecting Y1003 or S985. In addition, MET exon 14 skipping and MET Y1003F induced similar transcriptional programs, increased the activation of downstream signaling pathways, and increased cell mobility. Therefore, the MET Y1003F mutation is able to fully recapitulate responses induced by MET exon 14 skipping, suggesting that loss of the CBL binding site is the main contributor of cell transformation induced by MET Ex14 mutations.
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Affiliation(s)
- Marie Fernandes
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
| | - Sonia Paget
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
| | - Zoulika Kherrouche
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
| | - Marie-José Truong
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
| | - Audrey Vinchent
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
| | - Jean-Pascal Meneboo
- Plateau de Génomique Fonctionnelle et Structurale, CHU Lille, Univ. Lille, France
| | - Shéhérazade Sebda
- Plateau de Génomique Fonctionnelle et Structurale, CHU Lille, Univ. Lille, France
| | - Elisabeth Werkmeister
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, US41 - UMS2014 - PLBS, Univ. Lille, France
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR9017 - CIIL - Center for Infection and Immunity of Lille, Univ. Lille, France
| | | | - Martin Figeac
- Plateau de Génomique Fonctionnelle et Structurale, CHU Lille, Univ. Lille, France
| | - Alexis B Cortot
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
- Thoracic Oncology Department, CHU Lille, Univ. Lille, France
| | - David Tulasne
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, Univ. Lille, France
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24
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Basse C, Régaldo-Saint Blancard L. [Capmatinib in advanced NSCLC for previously treated patients with MET exon 14 skipping mutation]. Bull Cancer 2023; 110:869-871. [PMID: 37442707 DOI: 10.1016/j.bulcan.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/04/2023] [Accepted: 05/12/2023] [Indexed: 07/15/2023]
Affiliation(s)
- Clémence Basse
- Centre de lutte contre le cancer, institut Curie, Paris, France
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25
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Mazieres J, Vioix H, Pfeiffer BM, Campden RI, Chen Z, Heeg B, Cortot AB. MET Exon 14 Skipping in NSCLC: A Systematic Literature Review of Epidemiology, Clinical Characteristics, and Outcomes. Clin Lung Cancer 2023; 24:483-497. [PMID: 37451931 DOI: 10.1016/j.cllc.2023.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/30/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023]
Abstract
INTRODUCTION MET exon 14 (METex14) skipping is a rare oncogenic driver in non-small-cell lung cancer (NSCLC) for which targeted therapy with MET tyrosine kinase inhibitors (TKIs) was recently approved. Given the heterogeneity in published data of METex14 skipping NSCLC, we conducted a systematic literature review to evaluate its frequency, patient characteristics, and outcomes. METHODS On June 13, 2022 we conducted a systematic literature review of publications and conference abstracts reporting frequency, patient characteristics, or outcomes of patients with METex14 skipping NSCLC. RESULTS We included 139 studies reporting frequency or patient characteristics (350,997 patients), and 39 studies reporting clinical outcomes (3989 patients). Median METex14 skipping frequency was 2.0% in unselected patients with NSCLC, with minimal geographic variation. Median frequency was 2.4% in adenocarcinoma or nonsquamous subgroups, 12.0% in sarcomatoid, and 1.3% in squamous histology. Patients with METex14 skipping NSCLC were more likely to be elderly, have adenocarcinoma histology; there was no marked sex or smoking status distribution. In first line of treatment, median objective response rate ranged from 50.7% to 68.8% with targeted therapies (both values correspond to MET TKIs), was 33.3% with immunotherapy, and ranged from 23.1% to 27.0% with chemotherapy. CONCLUSIONS Patients with METex14 skipping are more likely to have certain characteristics, but no patient subgroup can be ruled out; thus, it is crucial to test all patients with NSCLC to identify suitable candidates for MET inhibitor therapy. MET TKIs appeared to result in higher efficacy outcomes, although no direct comparison with chemotherapy or immunotherapy regimens was found.
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Affiliation(s)
- Julien Mazieres
- CHU de Toulouse, Université Paul Sabatier, Toulouse, France.
| | - Helene Vioix
- The Healthcare Business of Merck KGaA, Darmstadt, Germany
| | | | | | - Zhiyuan Chen
- Ingress Health, A Cytel Company, Rotterdam, The Netherlands
| | - Bart Heeg
- Ingress Health, A Cytel Company, Rotterdam, The Netherlands
| | - Alexis B Cortot
- Université Lille, Centre Hospitalier Universitaire de Lille, Centre national de la recherche scientifique, Inserm, Institute Pasteur de Lille, Lille, France
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Urbanska EM, Grauslund M, Koffeldt PR, Truelsen SLB, Löfgren JO, Costa JC, Melchior LC, Sørensen JB, Santoni-Rugiu E. Real-World Data on Combined EGFR-TKI and Crizotinib Treatment for Acquired and De Novo MET Amplification in Patients with Metastatic EGFR-Mutated NSCLC. Int J Mol Sci 2023; 24:13077. [PMID: 37685884 PMCID: PMC10487649 DOI: 10.3390/ijms241713077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/15/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023] Open
Abstract
Amplification of the mesenchymal epithelial transition (MET) gene is a mechanism of acquired resistance to epidermal growth factor receptor (EGFR)-tyrosine-kinase-inhibitors (TKIs) in over 20% of patients with advanced EGFR-mutated (EGFRm+) non-small lung cancer (NSCLC). However, it may also occur de novo in 2-8% of EGFRm+ NSCLC cases as a potential mechanism of intrinsic resistance. These patients represent a group with unmet needs, since there is no standard therapy currently approved. Several new MET inhibitors are being investigated in clinical trials, but the results are awaited. Meanwhile, as an alternative strategy, combinations of EGFR-TKIs with the MET/ALK/ROS1-TKI Crizotinib may be used in this setting, despite this use is principally off-label. Thus, we studied five of these MET amplified cases receiving EGFR-TKI and Crizotinib doublet after progression on EGFR-TKI treatment to assess the benefits and challenges related to this combination and the possible occurrence of genomic and phenotypic co-alterations. Furthermore, we compared our cases with other real-world reports on Crizotinib/EGFR-TKI combinations, which appeared effective, especially in patients with high-level MET amplification. Yet, we observed that the co-occurrence of other genomic and phenotypical alterations may affect the response to combined EGFR-TKI and Crizotinib. Finally, given the heterogeneity of MET amplification, the diagnostic methods for assessing it may be discrepant. In this respect, we observed that for optimal detection, immunohistochemistry, fluorescence in situ hybridization, and next-generation sequencing should be used together, as these methods possess different sensitivities and complement each other in characterizing MET amplification. Additionally, we addressed the issue of managing EGFR-mutated NSCLC patients with de novo MET amplification causing primary EGFR-TKI resistance. We conclude that, while data from clinical trials with new MET inhibitors are still pending, adding Crizotinib to EGFR-TKI in NSCLC patients acquiring MET amplification at progression on EGFR-TKI monotherapy is a reasonable approach, with a progression-free survival of 3-19 months.
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Affiliation(s)
- Edyta M. Urbanska
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
| | - Morten Grauslund
- Department of Pathology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.G.); (P.R.K.); (S.L.B.T.); (L.C.M.)
| | - Peter R. Koffeldt
- Department of Pathology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.G.); (P.R.K.); (S.L.B.T.); (L.C.M.)
| | - Sarah L. B. Truelsen
- Department of Pathology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.G.); (P.R.K.); (S.L.B.T.); (L.C.M.)
| | - Johan O. Löfgren
- Department of Clinical Physiology and Nuclear Medicine, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
| | - Junia C. Costa
- Department of Radiology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
| | - Linea C. Melchior
- Department of Pathology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.G.); (P.R.K.); (S.L.B.T.); (L.C.M.)
| | - Jens B. Sørensen
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
- Department of Clinical Medicine, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Eric Santoni-Rugiu
- Department of Pathology, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.G.); (P.R.K.); (S.L.B.T.); (L.C.M.)
- Department of Clinical Medicine, University of Copenhagen, DK-2200 Copenhagen, Denmark
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Zhou Y, Cui G, Xu H, Chun J, Yang D, Zhang Z, Yang L, Wang J, Wan M, Calvisi DF, Lin S, Chen X, Wang H. Loss of TP53 cooperates with c-MET overexpression to drive hepatocarcinogenesis. Cell Death Dis 2023; 14:476. [PMID: 37500626 PMCID: PMC10374654 DOI: 10.1038/s41419-023-05958-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 06/13/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023]
Abstract
Hepatocellular carcinoma (HCC) is a deadly malignancy with high genetic heterogeneity. TP53 mutation and c-MET activation are frequent events in human HCCs. Here, we discovered that the simultaneous mutations in TP53 and activation of c-MET occur in ~20% of human HCCs, and these patients show a poor prognosis. Importantly, we found that concomitant deletion of Trp53 and overexpression of c-MET (c-MET/sgp53) in the mouse liver led to HCC formation in vivo. Consistent with human HCCs, RNAseq showed that c-MET/sgp53 mouse HCCs were characterized by activated c-MET and Ras/MAPK cascades and increased tumor cell proliferation. Subsequently, a stably passaged cell line derived from a c-MET/sgp53 HCC and corresponding subcutaneous xenografts were generated. Also, in silico analysis suggested that the MEK inhibitor trametinib has a higher inhibition score in TP53 null human HCC cell lines, which was validated experimentally. We consistently found that trametinib effectively inhibited the growth of c-MET/sgp53 HCC cells and xenografts, supporting the possible usefulness of this drug for treating human HCCs with TP53-null mutations. Altogether, our study demonstrates that loss of TP53 cooperates with c-MET to drive hepatocarcinogenesis in vivo. The c-MET/sgp53 mouse model and derived HCC cell lines represent novel and useful preclinical tools to study hepatocarcinogenesis in the TP53 null background.
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Affiliation(s)
- Yi Zhou
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Department of Bioengineering and Therapeutic Sciences and Liver Center, University of California, San Francisco, San Francisco, CA, USA
| | - Guofei Cui
- Department of Bioengineering and Therapeutic Sciences and Liver Center, University of California, San Francisco, San Francisco, CA, USA
- Liver Cancer Laboratory, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Hongwei Xu
- Department of Bioengineering and Therapeutic Sciences and Liver Center, University of California, San Francisco, San Francisco, CA, USA
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Joanne Chun
- Liver Cancer Laboratory, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Doris Yang
- Liver Cancer Laboratory, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Zheng Zhang
- Laboratory of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Lihui Yang
- Beijing University of Chinese Medicine, Beijing, China
| | - Jingxiao Wang
- School of Life Sciences, Beijing, University of Chinese Medicine, Beijing, China
| | - Meijuan Wan
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Diego F Calvisi
- Institute of Pathology, University of Regensburg, Regensburg, 93053, Germany
| | - Shumei Lin
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
| | - Xin Chen
- Department of Bioengineering and Therapeutic Sciences and Liver Center, University of California, San Francisco, San Francisco, CA, USA.
- Liver Cancer Laboratory, University of Hawaii Cancer Center, Honolulu, HI, USA.
| | - Haichuan Wang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, China.
- Laboratory of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China.
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Choi YR, Kang EH, Kim S, Park SY, Han JY, Lee Y. Single targeting of MET in EGFR-mutated and MET-amplified non-small cell lung cancer. Br J Cancer 2023; 128:2186-2196. [PMID: 37059804 PMCID: PMC10241937 DOI: 10.1038/s41416-023-02264-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 04/16/2023] Open
Abstract
BACKGROUND In EGFR-mutant and MET-amplified lung cancer resistant to EGFR inhibitors, double blockade of EGFR and MET is considered as a reasonable strategy despite increasing toxicity. This study evaluated the single MET inhibition in these specific tumours. METHODS We investigated the efficacy of a single MET inhibitor in EGFR-mutant, MET-amplified lung cancer cells (HCC827GR) and the matched clinical cases and patient-derived cells. Acquired resistance mechanisms to single MET inhibitor were further explored. RESULTS Single MET inhibitor sufficiently inhibited the EGFR downstream signalling and proliferation in the HCC827GR cells. The MET-inhibitor-sensitive clones had similar EGFR mutation allele frequency as the MET-inhibitor-resistant clones. The patients with EGFR-mutant, MET-amplified lung cancer resistant to EGFR inhibitors showed definite response to single MET inhibitor but the response duration was not durable. The MET gene copy number in their plasma circulating tumour DNA was significantly decreased during the treatment and was not re-increased after progression. In the cells resistant to single MET inhibitor, the EGFR pathway was reactivated, and gefitinib alone successfully suppressed their growth. CONCLUSIONS Single MET inhibition produced a short-lived response in EGFR-mutant and MET-amplified lung cancer. A further study of a novel combination therapy schedule is needed to achieve long-lasting efficacy and less toxicity.
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Affiliation(s)
- Yu-Ra Choi
- Research Institute, National Cancer Center, Goyang, Republic of Korea
| | - Eun Hye Kang
- Research Institute, National Cancer Center, Goyang, Republic of Korea
| | - Sunshin Kim
- Research Institute, National Cancer Center, Goyang, Republic of Korea
| | - Seog-Yun Park
- Department of Pathology, National Cancer Center, Goyang, Republic of Korea
| | - Ji-Youn Han
- Research Institute, National Cancer Center, Goyang, Republic of Korea
- Division of Hematology and Oncology, Department of Internal Medicine, National Cancer Center, Goyang, Republic of Korea
| | - Youngjoo Lee
- Research Institute, National Cancer Center, Goyang, Republic of Korea.
- Division of Hematology and Oncology, Department of Internal Medicine, National Cancer Center, Goyang, Republic of Korea.
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Al Jaberi M, Clough W, Dalia S. Latest updates on MET targeted therapy for EXON 14 mutations in lung cancer. Oncotarget 2023; 14:514. [PMID: 37235815 PMCID: PMC10219658 DOI: 10.18632/oncotarget.28419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Indexed: 05/28/2023] Open
Affiliation(s)
| | | | - Samir Dalia
- Correspondence to:Samir Dalia, Department of Medical Oncology, Mercy Hospital, Joplin, MO 64804, USA email
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Romano G, Le P, Nigita G, Saviana M, Micalo L, Lovat F, Del Valle Morales D, Li H, Nana-Sinkam P, Acunzo M. A-to-I edited miR-411-5p targets MET and promotes TKI response in NSCLC-resistant cells. Oncogene 2023; 42:1597-1606. [PMID: 37002315 PMCID: PMC10336698 DOI: 10.1038/s41388-023-02673-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 04/03/2023]
Abstract
Non-small cell lung cancer (NSCLC) patients carrying an epidermal growth factor receptor (EGFR) mutation have an initial favorable clinical response to the tyrosine kinase inhibitors (TKIs). Unfortunately, rapid resistance occurs mainly because of genetic alterations, including amplification of the hepatocyte growth factor receptor (MET) and its abnormal activity. The RNA post-transcriptional modifications that contribute to aberrant expression of MET in cancer are largely under-investigated and among them is the adenosine-to-inosine (A-to-I) RNA editing of microRNAs. A reduction of A-to-I editing in position 5 of miR-411-5p has been identified in several cancers, including NSCLC. In this study, thanks to cancer-associated gene expression analysis, we assessed the effect of the edited miR-411-5p on NSCLC cell lines. We found that edited miR-411-5p directly targets MET and negatively affects the mitogen-activated protein kinases (MAPKs) pathway. Considering the predominant role of the MAPKs pathway on TKIs resistance, we generated NSCLC EGFR mutated cell lines resistant to TK inhibitors and evaluated the effect of edited miR-411-5p overexpression. We found that the edited miR-411-5p reduces proliferation and induces apoptosis, promoting EGFR TKIs response in NSCLC-resistant cells.
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Affiliation(s)
- Giulia Romano
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Patricia Le
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Giovanni Nigita
- Department of Cancer Biology and Genetics and Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Michela Saviana
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Lavender Micalo
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Francesca Lovat
- Department of Cancer Biology and Genetics and Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Daniel Del Valle Morales
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Howard Li
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Patrick Nana-Sinkam
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Mario Acunzo
- Department of Internal Medicine, Division of Pulmonary Diseases and Critical Care Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA.
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Riedel R, Fassunke J, Tumbrink HL, Scheel AH, Heydt C, Hieggelke L, Scheffler M, Heimsoeth A, Nogova L, Michels S, Weber JP, Fischer RN, Eisert A, Westphal T, Schaufler D, Siemanowski J, Ihle MA, Wagener-Ryczek S, Castiglione R, Pappesch R, Rehker J, Jürgens J, Stoelben E, Bunck A, Kobe C, Merkelbach-Bruse S, Sos ML, Büttner R, Wolf J. Resistance to MET inhibition in MET-dependent NSCLC and therapeutic activity after switching from type I to type II MET inhibitors. Eur J Cancer 2023; 179:124-135. [PMID: 36521334 DOI: 10.1016/j.ejca.2022.11.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 10/30/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Resistance to MET inhibition occurs inevitably in MET-dependent non-small cell lung cancer and the underlying mechanisms are insufficiently understood. We describe resistance mechanisms in patients with MET exon 14 skipping mutation (METΔex14), MET amplification, and MET fusion and report treatment outcomes after switching therapy from type I to type II MET inhibitors. MATERIALS AND METHODS Pre- and post-treatment biopsies were analysed by NGS (next generation sequencing), digital droplet PCR (polymerase chain reaction), and FISH (fluorescense in situ hybridization). A patient-derived xenograft model was generated in one case. RESULTS Of 26 patients with MET tyrosine kinase inhibitor treatment, eight had paired pre- and post-treatment biopsies (Three with MET amplification, three with METΔex14, two with MET fusions (KIF5B-MET and PRKAR2B-MET).) In six patients, mechanisms of resistance were detected, whereas in two cases, the cause of resistance remained unclear. We found off-target resistance mechanisms in four cases with KRAS mutations and HER2 amplifications appearing. Two patients exhibited second-site MET mutations (p.D1246N and p. Y1248H). Three patients received type I and type II MET tyrosine kinase inhibitors sequentially. In two cases, further progressive disease was seen hereafter. The patient with KIF5B-MET fusion received three different MET inhibitors and showed long-lasting stable disease and a repeated response after switching therapy, respectively. CONCLUSION Resistance to MET inhibition is heterogeneous with on- and off-target mechanisms occurring regardless of the initial MET aberration. Switching therapy between different types of kinase inhibitors can lead to repeated responses in cases with second-site mutations. Controlled clinical trials in this setting with larger patient numbers are needed, as evidence to date is limited to preclinical data and case series.
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Affiliation(s)
- Richard Riedel
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Jana Fassunke
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Hannah L Tumbrink
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Germany
| | - Andreas H Scheel
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Carina Heydt
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Lena Hieggelke
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Matthias Scheffler
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Alena Heimsoeth
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Germany
| | - Lucia Nogova
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Sebastian Michels
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Jan-Phillip Weber
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Rieke N Fischer
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Anna Eisert
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Theresa Westphal
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Diana Schaufler
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany
| | - Janna Siemanowski
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Michaela A Ihle
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Svenja Wagener-Ryczek
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | | | - Roberto Pappesch
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Jan Rehker
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Jessica Jürgens
- Lung Clinic Merheim, Hospital of the City of Cologne, University of Witten-Herdecke, Germany
| | - Erich Stoelben
- Lung Clinic Merheim, Hospital of the City of Cologne, University of Witten-Herdecke, Germany
| | - Anne Bunck
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Radiology, Germany
| | - Carsten Kobe
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Nuclear Medicine, Germany
| | - Sabine Merkelbach-Bruse
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany
| | - Martin L Sos
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne, Germany
| | - Reinhard Büttner
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department of Pathology, Molecular Pathology, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne, Germany
| | - Jürgen Wolf
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Integrated Oncology, Department I of Internal Medicine, Germany; Lung Cancer Group, Cologne, Germany.
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Tokarski M, Cierzniak A, Baczynska D. Role of hypoxia on microRNA-dependant regulation of HGFA - HGF - c-Met signalling pathway in human progenitor and mature endothelial cells. Int J Biochem Cell Biol 2022; 152:106310. [PMID: 36182093 DOI: 10.1016/j.biocel.2022.106310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/15/2022] [Accepted: 09/25/2022] [Indexed: 10/31/2022]
Abstract
Hepatocyte growth factor (HGF) is considered to be one of the key pro-angiogenic cytokines that stimulates endothelial cells to proliferate and migrate. The activation of the precursor form of HGF is primarily undertaken by the serine protease HGFA. Research indicates that HIF-1α hypoxia stimulates the expression of HGFA, which is synthesized by a range of cells including fibroblasts, endothelium, and macrophages. To date, little is known about the potential role of epigenetic factors in the regulation of the HGFA - HGF - c-Met signalling pathway. The literature suggests that there are several microRNAs (miRNAs, miRs) directly affecting the expression of c-Met under normoxic conditions. The main objective of the research described was to explore the effect of chemically-induced hypoxia on the expression of miRNA molecules in human progenitor and mature endothelial cells, with particulate attention paid to those miRNAs that may specifically affect the HGFA - HGF - c-Met signalling pathway. This publication sheds new light on the role of miRNAs in hypoxia, as well as identifying several miRNAs directly involved in the regulation of HGFA, HGF and c-Met expression in hypoxic conditions. The results indicate that hsa-miR-335-5p, hsa-miR-425-5p and hsa-miR-101-3p are the major miRNAs that appear to play an important role in the regulation of the HGFA - HGF - c-Met signalling pathway.
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Affiliation(s)
- Miron Tokarski
- Department of Molecular Techniques, Faculty of Medicine, Wroclaw Medical University, M. Curie-Skłodowskiej 52, Wrocław 50-369, Poland.
| | - Aneta Cierzniak
- Department of Molecular Techniques, Faculty of Medicine, Wroclaw Medical University, M. Curie-Skłodowskiej 52, Wrocław 50-369, Poland
| | - Dagmara Baczynska
- Department of Molecular and Cell Biology, Faculty of Pharmacy and Laboratory Medicine, Wroclaw Medical University, Borowska 211, Wrocław 50-556, Poland
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Tsui DCC, Drusbosky LM, Wienke S, Gao D, Bubie A, Barbacioru C, Camidge DR. Oncogene Overlap Analysis of Circulating Cell-free Tumor DNA to Explore the Appropriate Criteria for Defining MET Copy Number-Driven Lung Cancer. Clin Lung Cancer 2022; 23:630-638. [PMID: 35961935 PMCID: PMC10552597 DOI: 10.1016/j.cllc.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 07/10/2022] [Indexed: 01/27/2023]
Abstract
INTRODUCTION Defining clinically relevant MET amplification levels in non-small cell lung cancer (NSCLC) remains challenging. We hypothesize that oncogene overlap and MET amplicon size decline with increase in MET plasma copy number (pCN), thus enriching for MET-dependent states. PATIENTS AND METHODS We interrogated cell-free DNA NGS results of 16,782 patients with newly diagnosed advanced NSCLC to identify those with MET amplification as reported using Guardant360. Co-occurring genomic mutations and copy number alterations within each sample were evaluated. An exploratory method of adjusting for tumor fraction was also performed and amplicon size for MET was analyzed when available. RESULTS MET amplification was detected in 207 (1.2%) of samples. pCN ranged from 2.1 to 52.9. Of these, 43 (20.8%) had an overlapping oncogenic driver, including 23 (11.1%) METex14 skipping or other MET mutations. The degree of (non-MET) oncogene overlap decreased with increases in pCN. Patients with MET pCN ≥ 2.7 had lower rates of overlapping drivers compared to those with MET pCN < 2.7 (6.1% vs. 16.3%, P = .033). None of the 7 patients with pCN > 6.7 had an overlapping driver. After adjusting for tumor fraction, adjusted pCN (ApCN) was also lower for those with overlapping drivers than those without (median ApCN 4.9 vs. 7.3, P =.024). There was an inverse relationship between amplicon size and pCN. CONCLUSIONS We propose that a high MET pCN and/or ApCN, together with the absence of overlapping oncogenic drivers and small MET amplicon size, will enrich for patients most likely to derive benefit from MET targeted therapy.
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Affiliation(s)
- David C C Tsui
- Division of Medical Oncology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO
| | | | | | - Dexiang Gao
- Department of Pediatrics, Biostatistics and Bioinformatics Shared Resource, University of Colorado School of Medicine, University of Colorado Cancer Center, Aurora, CO
| | | | | | - D Ross Camidge
- Division of Medical Oncology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO.
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Lai GGY, Guo R, Drilon A, Shao Weng Tan D. Refining patient selection of MET-activated non-small cell lung cancer through biomarker precision. Cancer Treat Rev 2022; 110:102444. [PMID: 36108503 PMCID: PMC10961969 DOI: 10.1016/j.ctrv.2022.102444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 07/21/2022] [Accepted: 07/28/2022] [Indexed: 12/12/2022]
Abstract
Dysregulated MET signaling plays an important role in lung oncogenesis, tumor growth and invasiveness. It may occur through various mechanisms, such as MET overexpression or gene amplification or mutation, all of which can be detected by specific methods. The utility of MET overexpression as a biomarker remains unclear due to discrepancies in its occurrence and non-standardized cut-off thresholds. MET exon 14 skipping mutation (METex14) was established as a strong predictor of response to selective MET tyrosine kinase inhibitors (TKIs), and clinical trial results in patients with non-small cell lung cancer (NSCLC) harboring METex14 led to the approval of capmatinib and tepotinib by regulatory agencies worldwide. MET amplification is an emerging biomarker, with clinical data indicating an association between MET gene copy number and response to MET-TKIs. Additionally, MET amplification represents an important mechanism of resistance to TKIs in oncogene-driven NSCLC. The identification of molecular alterations for which targeted therapies are available is important, and high-throughput next-generation sequencing techniques can provide information on multiple genes at the same time, helping to provide valuable predictive information for oncogene-driven cancers. This review summarizes the current methods used for the detection of METex14, MET amplification and MET overexpression, and discusses the evidence for the use of MET-TKIs in patients with NSCLC with MET dysregulation. We discuss the practical challenges that impact the use of METex14 in the clinic and the evidence gaps that need to be addressed to validate additional genomic markers for MET-dependent cancers.
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Affiliation(s)
- Gillianne G Y Lai
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore
| | - Robin Guo
- Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, USA; Weill Cornell Medical College, New York, NY, USA
| | - Alexander Drilon
- Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, USA; Weill Cornell Medical College, New York, NY, USA
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Altintas DM, Gallo S, Basilico C, Cerqua M, Bocedi A, Vitacolonna A, Botti O, Casanova E, Rancati I, Milanese C, Notari S, Gambardella G, Ricci G, Mastroberardino PG, Boccaccio C, Crepaldi T, Comoglio PM. The PSI Domain of the MET Oncogene Encodes a Functional Disulfide Isomerase Essential for the Maturation of the Receptor Precursor. Int J Mol Sci 2022; 23:ijms232012427. [PMID: 36293286 PMCID: PMC9604360 DOI: 10.3390/ijms232012427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/28/2022] [Accepted: 10/13/2022] [Indexed: 11/29/2022] Open
Abstract
The tyrosine kinase receptor encoded by the MET oncogene has been extensively studied. Surprisingly, one extracellular domain, PSI, evolutionary conserved between plexins, semaphorins, and integrins, has no established function. The MET PSI sequence contains two CXXC motifs, usually found in protein disulfide isomerases (PDI). Using a scrambled oxidized RNAse enzymatic activity assay in vitro, we show, for the first time, that the MET extracellular domain displays disulfide isomerase activity, abolished by PSI domain antibodies. PSI domain deletion or mutations of CXXC sites to AXXA or SXXS result in a significant impairment of the cleavage of the MET 175 kDa precursor protein, abolishing the maturation of α and β chains, of, respectively, 50 kDa and 145 kDa, disulfide-linked. The uncleaved precursor is stuck in the Golgi apparatus and, interestingly, is constitutively phosphorylated. However, no signal transduction is observed as measured by AKT and MAPK phosphorylation. Consequently, biological responses to the MET ligand—hepatocyte growth factor (HGF)—such as growth and epithelial to mesenchymal transition, are hampered. These data show that the MET PSI domain is functional and is required for the maturation, surface expression, and biological functions of the MET oncogenic protein.
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Affiliation(s)
- Dogus Murat Altintas
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
- Correspondence: (D.M.A.); (P.M.C.)
| | - Simona Gallo
- Department of Oncology, University of Turin, 10060 Candiolo, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Strada Provinciale 142, 10060 Candiolo, Italy
| | | | - Marina Cerqua
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
| | - Alessio Bocedi
- Department of Chemical Sciences and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Annapia Vitacolonna
- Department of Oncology, University of Turin, 10060 Candiolo, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Strada Provinciale 142, 10060 Candiolo, Italy
| | - Orsola Botti
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
| | - Elena Casanova
- Candiolo Cancer Institute, FPO-IRCCS, Strada Provinciale 142, 10060 Candiolo, Italy
| | - Ilaria Rancati
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
| | - Chiara Milanese
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
| | - Sara Notari
- Department of Chemical Sciences and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Giorgia Gambardella
- Department of Chemical Sciences and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Giorgio Ricci
- Department of Chemical Sciences and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Pier Giorgio Mastroberardino
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
- Department of Life, Health, and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Carla Boccaccio
- Department of Oncology, University of Turin, 10060 Candiolo, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Strada Provinciale 142, 10060 Candiolo, Italy
| | - Tiziana Crepaldi
- Department of Oncology, University of Turin, 10060 Candiolo, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Strada Provinciale 142, 10060 Candiolo, Italy
| | - Paolo Maria Comoglio
- IFOM, FIRC Institute for Molecular Oncology, Via Adamello 16, 20139 Milano, Italy
- Correspondence: (D.M.A.); (P.M.C.)
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Dou X, Xu Q, Dong B, Xu G, Qian N, Yang C, Li H, Chen L, Gao X, Song H. Anti-c-MET Fab-Grb2-Gab1 Fusion Protein-Mediated Interference of c-MET Signaling Pathway Induces Methuosis in Tumor Cells. Int J Mol Sci 2022; 23:ijms231912018. [PMID: 36233320 PMCID: PMC9569552 DOI: 10.3390/ijms231912018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/17/2022] [Accepted: 09/20/2022] [Indexed: 11/16/2022] Open
Abstract
Bio-macromolecules have potential applications in cancer treatment due to their high selectivity and efficiency in hitting therapeutic targets. However, poor cell membrane permeability has limited their broad-spectrum application in cancer treatment. The current study developed highly internalizable anti-c-MET antibody Fab fusion proteins with intracellular epitope peptide chimera to achieve the dual intervention from the extracellular to intracellular targets in tumor therapy. In vitro experiments demonstrated that the fusion proteins could interfere with the disease-associated intracellular signaling pathways and inhibit the uncontrolled proliferation of tumor cells. Importantly, investigation of the underlying mechanism revealed that these protein chimeras could induce vacuolation in treated cells, thus interfering with the normal extension and arrangement of microtubules as well as the mitosis, leading to the induction of methuosis-mediated cell death. Furthermore, in vivo tumor models indicated that certain doses of fusion proteins could inhibit the A549 xenograft tumors in NOD SCID mice. This study thus provides new ideas for the intracellular delivery of bio-macromolecules and the dual intervention against tumor cell signaling pathways.
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Affiliation(s)
- Xiaoqian Dou
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Qinzhi Xu
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Bo Dong
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Guili Xu
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Niliang Qian
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Cuima Yang
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Hongjie Li
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Liting Chen
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
| | - Xin Gao
- Beijng Immunoah Pharma Tech Co., Ltd., Beijing 100071, China
- Correspondence: (X.G.); (H.S.)
| | - Haifeng Song
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
- Correspondence: (X.G.); (H.S.)
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Tseng LW, Chang JWC, Wu CE. Safety of Tepotinib Challenge after Capmatinib-Induced Pneumonitis in a Patient with Non-Small Cell Lung Cancer Harboring MET Exon 14 Skipping Mutation: A Case Report. Int J Mol Sci 2022; 23:ijms231911809. [PMID: 36233109 PMCID: PMC9570266 DOI: 10.3390/ijms231911809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/28/2022] [Accepted: 09/30/2022] [Indexed: 11/16/2022] Open
Abstract
The targeted agents capmatinib and tepotinib provide a new treatment for patients with non-small cell lung cancer (NSCLC) with MET exon 14 skipping mutation (METex14). However, drug-induced pneumonitis is an uncommon but threatening adverse effect found in patients treated with both capmatinib and tepotinib. The safety of treating a patient with a MET inhibitor after drug-induced pneumonitis by another MET inhibitor remains unclear. Here, we present a case of a patient with NSCLC harboring a METex14 who was treated with a standard dose of tepotinib after advanced capmatinib-induced pneumonitis and did not present pneumonitis relapse. Tepotinib may be a safe option when medical professionals consider switching MET inhibitors after patients experience pneumonitis.
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Affiliation(s)
- Liang-Wei Tseng
- Division of Chinese Internal Medicine, Center for Traditional Chinese Medicine, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - John Wen-Cheng Chang
- Division of Haematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, 5, Fu-Hsing Street, Kwei-Shan, Taoyuan 33302, Taiwan
| | - Chiao-En Wu
- Division of Haematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, 5, Fu-Hsing Street, Kwei-Shan, Taoyuan 33302, Taiwan
- Correspondence: ; Tel.: +886-3-3281200; Fax: +886-3-3278211
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Xiong W, Hietala SF, Nyberg J, Papasouliotis O, Johne A, Berghoff K, Goteti K, Dong J, Girard P, Venkatakrishnan K, Strotmann R. Exposure-response analyses for the MET inhibitor tepotinib including patients in the pivotal VISION trial: support for dosage recommendations. Cancer Chemother Pharmacol 2022; 90:53-69. [PMID: 35771259 PMCID: PMC9300558 DOI: 10.1007/s00280-022-04441-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 05/10/2022] [Indexed: 11/24/2022]
Abstract
Purpose Tepotinib is a highly selective MET inhibitor approved for treatment of non-small cell lung cancer (NSCLC) harboring METex14 skipping alterations. Analyses presented herein evaluated the relationship between tepotinib exposure, and efficacy and safety outcomes. Methods Exposure–efficacy analyses included data from an ongoing phase 2 study (VISION) investigating 500 mg/day tepotinib in NSCLC harboring METex14 skipping alterations. Efficacy endpoints included objective response, duration of response, and progression-free survival. Exposure–safety analyses included data from VISION, plus four completed studies in advanced solid tumors/hepatocellular carcinoma (30–1400 mg). Safety endpoints included edema, serum albumin, creatinine, amylase, lipase, alanine aminotransferase, aspartate aminotransferase, and QT interval corrected using Fridericia’s method (QTcF). Results Tepotinib exhibited flat exposure–efficacy relationships for all endpoints within the exposure range observed with 500 mg/day. Tepotinib also exhibited flat exposure–safety relationships for all endpoints within the exposure range observed with 30–1400 mg doses. Edema is the most frequently reported adverse event and the most frequent cause of tepotinib dose reductions and interruptions; however, the effect plateaued at low exposures. Concentration-QTc analyses using data from 30 to 1400 mg tepotinib resulted in the upper bounds of the 90% confidence interval being less than 10 ms for the mean exposures at the therapeutic (500 mg) and supratherapeutic (1000 mg) doses. Conclusions These analyses provide important quantitative pharmacologic support for benefit/risk assessment of the 500 mg/day dosage of tepotinib as being appropriate for the treatment of NSCLC harboring METex14 skipping alterations. Registration Numbers NCT01014936, NCT01832506, NCT01988493, NCT02115373, NCT02864992. Supplementary Information The online version contains supplementary material available at 10.1007/s00280-022-04441-3.
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Affiliation(s)
- Wenyuan Xiong
- Merck Institute of Pharmacometrics, Lausanne, Switzerland
| | | | | | | | | | | | - Kosalaram Goteti
- EMD Serono Research and Development Institute Inc., Billerica, MA, USA
| | - Jennifer Dong
- EMD Serono Research and Development Institute Inc., Billerica, MA, USA
| | - Pascal Girard
- Merck Institute of Pharmacometrics, Lausanne, Switzerland
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Shalata W, Yakobson A, Weissmann S, Oscar E, Iraqi M, Kian W, Peled N, Agbarya A. Crizotinib in MET Exon 14-Mutated or MET-Amplified in Advanced Disease Non-Small Cell Lung Cancer - A Retrospective, Single Institution Experience. Oncology 2022; 100:467-474. [PMID: 35679833 DOI: 10.1159/000525188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 04/23/2022] [Indexed: 11/19/2022]
Abstract
Background Non-small cell lung cancer (NSCLC) accounts for most lung cancers and is a leading cause of cancer-related deaths in the USA. Alterations in c-MET, a tyrosine kinase receptor, have been involved in many cases of NSCLC progression and metastasis. Crizotinib and other tyrosine kinase inhibitors have been used in NSCLC treatment with limited success. Methods In this retrospective observational study, we analyzed data from patients diagnosed with lung cancer at Soroka University Medical Center between January 2015 and January 2020. We investigated patient characteristics, including disease-associated mutation type and median survival in response to different tyrosine kinase inhibitor treatments. Results A total of 780 patients with lung cancer were included in the study, 134 of whom had small cell lung cancer and 646 had NSCLC. Of the NSCLC patients, 403 were diagnosed with advanced or metastatic disease and 374 underwent molecular testing. We identified 16 patients with either c-MET mutations or amplifications who were treated with crizotinib. Of these patients, 7 expressed a c-MET exon 14 skipping mutation while the remaining 9 patients expressed c-MET amplification. Among the patients with a c-met exon 14 skip mutation, the overall survival was 22.8 months and the median PFS on crizotinib treatment was 12.4 months. Of the patients with c-met amplification, the median overall survival was 5.4 months and the median PFS with crizotinib treatment was 2.6 months. Conclusions We analyzed the data of a series of cases describing patients diagnosed with different stages of NSCLC, having either a c-MET exon 14 skipping mutation or an amplification mutation, and treated with various TKIs, including crizotinib. We investigated the characteristics of these patient groups in accordance with mutation types and compared median survival between patient groups. Crizotinib was found to be an optimal treatment for NSCLC harboring c-MET exon 14 skipping mutations.
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Affiliation(s)
- Walid Shalata
- The Legacy Heritage Oncology Center & Dr. Larry Norton Institute, Soroka Medical Center, Ben-Gurion University, Beer Sheva, Israel
| | - Alexander Yakobson
- The Legacy Heritage Oncology Center & Dr. Larry Norton Institute, Soroka Medical Center, Ben-Gurion University, Beer Sheva, Israel
| | - Sarah Weissmann
- Medical School for International Health, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Elron Oscar
- Medical School for International Health, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Muhammed Iraqi
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Science, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Waleed Kian
- Oncology Division and Cancer Institute, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Nir Peled
- Oncology Division and Cancer Institute, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Abed Agbarya
- Oncology Department, Bnai Zion Medical Centre, Haifa, Israel
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Tanaka A, Kashizaki F, Sugimoto S, Hattori S, Yazaki N, Obayashi S, Kitahara A, Asano K. Tepotinib Improves Prognosis in an Elderly Patient with Poor Performance Status and MET Exon 14 Skipping Mutation-positive Non-small Cell Lung Cancer. Tokai J Exp Clin Med 2022; 47:41-43. [PMID: 35383870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
Several target therapies for driver gene mutations related with lung cancer growth are clinically effective in patients with advanced non-small cell lung cancer. Gefitinib and alectinib have been reported as being effective and safe even in those with poor performance status (PS), but little is known about efficacy and tolerability of other TKIs. An 84-year-old man was diagnosed with non-small cell lung cancer (cT3N2M1c stage IVB). During the initial treatment with carboplatin and nab-paclitaxel, his Eastern Cooperative Oncology Group PS increased to 3. He was found to be positive for the mesenchymal-epithelial transition factor (MET) exon 14 skipping mutation, and tepotinib, a c-Met inhibitor, was started. His PS improved to 0-1 and partial response was maintained for 12 months or more. The MET exon 14 skipping mutation is common in the elderly, and TKI treatment may improve prognosis, even in patients with reduced PS.
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Affiliation(s)
| | | | | | | | | | | | | | - Koichiro Asano
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1193, Japan.
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Kengo N, Sou H, Yukiko K, Yuika S, Hiroaki S. Rapidly progressive squamous cell lung cancer with MET exon 14 skipping mutation metastasized to atypical bone sites - a case report. Klin Onkol 2022; 35:72-75. [PMID: 35236084 DOI: 10.48095/ccko202272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND The mesenchymal-epithelial transition factor (MET) exon 14 skipping mutation has recently emerged as a driver gene in non-small cell lung cancer (NSCLC) in clinical practice. Clinical trials of several MET inhibitors have shown the effectiveness of MET inhibitors in NSCLC patients with MET exon 14 skipping mutation. To the best of our knowledge, however, there was no patient with sole MET exon 14 skipping mutation who progressed rapidly and had a poor prognosis. CASE A 61-year-old man presented with pain in the dorsum of the left foot and in the left elbow. Chest CT revealed a mass in the right lower lobe of the lung, and FDG-PET showed metastases in the ribs, thoracic vertebra, left elbow, and left metacarpal bone. Corrected calcium level was elevated up to 14.1mg/dL. The histopathology of the transbronchial bio-psy specimen was morphologically consistent with squamous cell carcinoma. MET exon 14 skipping mutation was positive in Oncomine Dx Target Test Multi-CDx system. Within a few weeks of admission, the patients respiratory condition rapidly deteriorated carcinomatous lymphangiosis and died of acute respiratory failure one month after admission. In this patient, bone metastases to atypical sites and hypercalcemia were also observed. CONCLUSION Chest physicians should be noted that there might be rapidly progressive fatal patients among those with MET exon 14 skipping mutations.
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Elsheikh S, Kouzoukakis I, Fielden C, Li W, Lashin SE, Khair N, Raposo TP, Fadhil W, Rudland P, Aleskandarany M, Patel P, El-Tanani M, Ilyas M. Ran GTPase is an independent prognostic marker in malignant melanoma which promotes tumour cell migration and invasion. J Clin Pathol 2022; 75:24-29. [PMID: 33234696 DOI: 10.1136/jclinpath-2020-206871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/25/2020] [Accepted: 10/06/2020] [Indexed: 02/07/2023]
Abstract
AIMS Ran GTPase is involved in nucleocytoplasmic shuttling of proteins and is overexpressed in several cancers. The expression of Ran in malignant melanoma (MM) and its functional activity have not been described and were investigated in this study. METHODS The prognostic value of Ran expression was tested in a series of 185 primary cutaneous MM cases using immunohistochemistry. The functional activity of Ran was investigated in the two melanoma cell lines. Ran expression was knocked down using two siRNAs and the effect on the expression of the c-Met oncogene, a potential downstream target of Ran, was tested. Functional effects of Ran knockdown on cell motility and cell proliferation were also assessed. RESULTS Positive Ran expression was seen in 12.4% of MM and was associated with advanced clinical stage and greater Breslow thickness. Positive expression was an independent marker of shorter overall survival (p=0.023). Knockdown of Ran results in decreased expression of c-Met and the downstream c-met signalling targets ERK1/2. There was a significant reduction in cell migration (p<0.001) and cell invasion (p<0.001). c-Met knockdown decreased the expression of Ran through MAPK and PI3K-AKT in A375 cell line, inhibited the cell viability and migration of both A375 and G361 melanoma cell lines while invasion was enhanced. CONCLUSION Ran is a poor prognostic marker in cutaneous MM. It upregulates expression of the oncogene c-Met and, possibly through this, it promotes cell motility which may in turn promote metastasis.
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Affiliation(s)
- Somaia Elsheikh
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
- Cellular Pathology Department, Nottingham University Hospitals NHS Trust, Nottingham, Nottingham, UK
- Pathology Department, Menoufia University Faculty of Medicine, Shebin El-Kom, Egypt
| | - Ilias Kouzoukakis
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
| | - Catherine Fielden
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
| | - Wei Li
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
| | - Shaimaa Elsaid Lashin
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
- Dermatology, Menoufia University Faculty of Medicine, Shebin El-Kom, Egypt
| | - Nadia Khair
- Histology, Menoufia University Faculty of Medicine, Shebin El-Kom, Egypt
| | | | - Wakkas Fadhil
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
| | - Philip Rudland
- School of Biological Sciences, University of Liverpool, Liverpool, UK
| | | | - Poulam Patel
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
| | - Mohamed El-Tanani
- School of Chemistry and Biosciences, University of Bradford, Bradford, West Yorkshire, UK
| | - Mohammad Ilyas
- Division of Cancer and Stem Cell, University of Nottingham, Nottingham, UK
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Santoni-Rugiu E, Lü MJS, Jakobsen JN, Melchior LC, Ravn J, Sørensen JB. Correlation of MET-Receptor Overexpression with MET Gene Amplification and Patient Outcome in Malignant Mesothelioma. Int J Mol Sci 2021; 22:ijms222312868. [PMID: 34884673 PMCID: PMC8657838 DOI: 10.3390/ijms222312868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 11/30/2022] Open
Abstract
Thanks to clinically newly introduced inhibitors of the mesenchymal–epithelial transition (MET) receptor tyrosine-kinase, MET-gene copy number gain/amplification (MET-GCNG/GA) and increased expression of the MET protein are considered very promising therapeutic targets in lung cancer and other malignancies. However, to which extent these MET alterations occur in malignant mesothelioma (MM) remains unclear. Thus, we investigated by well-established immunohistochemistry and fluorescence in situ hybridization methods, the frequency of these alterations in specimens from 155 consecutive MMs of different subtypes obtained from pleural or peritoneal biopsies and pleurectomies. Thirty-three benign reactive mesothelial proliferations (RMPs) were used as controls. MET-protein upregulation was observed in 35% of all MM-cases, though restricted to predominantly epithelioid MMs. We detected low-/intermediate-level MET-GCNG/GA in 22.2% of MET-overexpressing MMs (7.8% of whole MM-cohort) and no MET-GCNG/GA in the other 77.8%, suggesting other upregulating mechanisms. In contrast, 100% of RMPs exhibited no MET-upregulation or MET-GCNG/-GA. Neither MET exon 14 skipping mutations nor MET-fusions were detected as mechanisms of MET overexpression in MM using RNA next-generation sequencing. Finally, in two cohorts of 30 MM patients with or without MET overexpression (MET-positive/-negative) that were matched for several variables and received the same standard chemotherapy, the MET-positive cases showed a significantly lower response rate, but no significant difference in progression-free or overall survival. Our results imply that MET overexpression occurs in a substantial fraction of predominantly epithelioid MMs, but correlates poorly with MET-amplification status, and may impact the likelihood of response to mesothelioma standard chemotherapy. The predictive significance of MET-IHC and -FISH for possible MET-targeted therapy of MM remains to be elucidated.
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Affiliation(s)
- Eric Santoni-Rugiu
- Department of Pathology/Danish National Mesothelioma Center, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
- Biotech Research & Innovation Centre (BRIC), University of Copenhagen, DK-2200 Copenhagen, Denmark
- Correspondence: (E.S.-R.); (J.B.S.)
| | - Maya Jeje Schuang Lü
- Department of Oncology/Danish National Mesothelioma Center, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.J.S.L.); (J.N.J.)
| | - Jan Nyrop Jakobsen
- Department of Oncology/Danish National Mesothelioma Center, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.J.S.L.); (J.N.J.)
| | - Linea Cecilie Melchior
- Department of Pathology/Danish National Mesothelioma Center, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
| | - Jesper Ravn
- Department of Thoracic Surgery/Danish National Mesothelioma Center, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark;
| | - Jens Benn Sørensen
- Department of Oncology/Danish National Mesothelioma Center, Rigshospitalet, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; (M.J.S.L.); (J.N.J.)
- Correspondence: (E.S.-R.); (J.B.S.)
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Gu Y, Chen Y, Wei L, Wu S, Shen K, Liu C, Dong Y, Zhao Y, Zhang Y, Zhang C, Zheng W, He J, Wang Y, Li Y, Zhao X, Wang H, Tan J, Wang L, Zhou Q, Xie G, Liang H, Ou J. ABHD5 inhibits YAP-induced c-Met overexpression and colon cancer cell stemness via suppressing YAP methylation. Nat Commun 2021; 12:6711. [PMID: 34795238 PMCID: PMC8602706 DOI: 10.1038/s41467-021-26967-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 10/26/2021] [Indexed: 01/05/2023] Open
Abstract
Cancer stemness represents a major source of development and progression of colorectal cancer (CRC). c-Met critically contributes to CRC stemness, but how c-Met is activated in CRC remains elusive. We previously identified the lipolytic factor ABHD5 as an important tumour suppressor gene in CRC. Here, we show that loss of ABHD5 promotes c-Met activation to sustain CRC stemness in a non-canonical manner. Mechanistically, we demonstrate that ABHD5 interacts in the cytoplasm with the core subunit of the SET1A methyltransferase complex, DPY30, thereby inhibiting the nuclear translocation of DPY30 and activity of SET1A. In the absence of ABHD5, DPY30 translocates to the nucleus and supports SET1A-mediated methylation of YAP and histone H3, which sequesters YAP in the nucleus and increases chromatin accessibility to synergistically promote YAP-induced transcription of c-Met, thus promoting the stemness of CRC cells. This study reveals a novel role of ABHD5 in regulating histone/non-histone methylation and CRC stemness.
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Affiliation(s)
- Yan Gu
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yanrong Chen
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Lai Wei
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Shuang Wu
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Kaicheng Shen
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Chengxiang Liu
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yan Dong
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yang Zhao
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yue Zhang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Chi Zhang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Wenling Zheng
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Jiangyi He
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yunlong Wang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yifei Li
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Xiaoxin Zhao
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Hongwei Wang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Jun Tan
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Liting Wang
- Biomedical Analysis Center, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Qi Zhou
- Department of Oncology, Fuling Central Hospital of Chongqing City, 408000, Chongqing, China.
| | - Ganfeng Xie
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China.
| | - Houjie Liang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China.
| | - Juanjuan Ou
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China.
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Chiang KY, Li YW, Li YH, Huang SJ, Wu CL, Gong HY, Wu JL. Progranulin A Promotes Compensatory Hepatocyte Proliferation via HGF/c-Met Signaling after Partial Hepatectomy in Zebrafish. Int J Mol Sci 2021; 22:ijms222011217. [PMID: 34681875 PMCID: PMC8538350 DOI: 10.3390/ijms222011217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 01/11/2023] Open
Abstract
Compensatory hepatocyte proliferation and other liver regenerative processes are activated to sustain normal physiological function after liver injury. A major mitogen for liver regeneration is hepatocyte growth factor (HGF), and a previous study indicated that progranulin could modulate c-met, the receptor for HGF, to initiate hepatic outgrowth from hepatoblasts during embryonic development. However, a role for progranulin in compensatory hepatocyte proliferation has not been shown previously. Therefore, this study was undertaken to clarify whether progranulin plays a regulatory role during liver regeneration. To this end, we established a partial hepatectomy regeneration model in adult zebrafish that express a liver-specific fluorescent reporter. Using this model, we found that loss of progranulin A (GrnA) function by intraperitoneal-injection of a Vivo-Morpholino impaired and delayed liver regeneration after partial hepatectomy. Furthermore, transcriptome analysis and confirmatory quantitative real-time PCR suggested that cell cycle progression and cell proliferation was not as active in the morphants as controls, which may have been the result of comparative downregulation of the HGF/c-met axis by 36 h after partial hepatectomy. Finally, liver-specific overexpression of GrnA in transgenic zebrafish caused more abundant cell proliferation after partial hepatectomy compared to wild types. Thus, we conclude that GrnA positively regulates HGF/c-met signaling to promote hepatocyte proliferation during liver regeneration.
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Affiliation(s)
- Keng-Yu Chiang
- Department of Life Science, National Taiwan University, Taipei 10617, Taiwan;
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Ya-Wen Li
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Yen-Hsing Li
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Shin-Jie Huang
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Chih-Lu Wu
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 62145, Taiwan;
| | - Hong-Yi Gong
- Department of Aquaculture, National Taiwan Ocean University, Keelung 20224, Taiwan;
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Jen-Leih Wu
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
- College of Life Sciences, National Taiwan Ocean University, Keelung 20224, Taiwan
- Correspondence: ; Tel.: +886-2-27899568
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46
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Shah VV, Duncan AD, Jiang S, Stratton SA, Allton KL, Yam C, Jain A, Krause PM, Lu Y, Cai S, Tu Y, Zhou X, Zhang X, Jiang Y, Carroll CL, Kang Z, Liu B, Shen J, Gagea M, Manu SM, Huo L, Gilcrease M, Powell RT, Guo L, Stephan C, Davies PJ, Parker-Thornburg J, Lozano G, Behringer RR, Piwnica-Worms H, Chang JT, Moulder SL, Barton MC. Mammary-specific expression of Trim24 establishes a mouse model of human metaplastic breast cancer. Nat Commun 2021; 12:5389. [PMID: 34508101 PMCID: PMC8433435 DOI: 10.1038/s41467-021-25650-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 08/17/2021] [Indexed: 12/24/2022] Open
Abstract
Conditional overexpression of histone reader Tripartite motif containing protein 24 (TRIM24) in mouse mammary epithelia (Trim24COE) drives spontaneous development of mammary carcinosarcoma tumors, lacking ER, PR and HER2. Human carcinosarcomas or metaplastic breast cancers (MpBC) are a rare, chemorefractory subclass of triple-negative breast cancers (TNBC). Comparison of Trim24COE metaplastic carcinosarcoma morphology, TRIM24 protein levels and a derived Trim24COE gene signature reveals strong correlation with human MpBC tumors and MpBC patient-derived xenograft (PDX) models. Global and single-cell tumor profiling reveal Met as a direct oncogenic target of TRIM24, leading to aberrant PI3K/mTOR activation. Here, we find that pharmacological inhibition of these pathways in primary Trim24COE tumor cells and TRIM24-PROTAC treatment of MpBC TNBC PDX tumorspheres decreased cellular viability, suggesting potential in therapeutically targeting TRIM24 and its regulated pathways in TRIM24-expressing TNBC.
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Affiliation(s)
- Vrutant V Shah
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Aundrietta D Duncan
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA
- Salarius Pharmaceuticals, Houston, TX, USA
| | - Shiming Jiang
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Thoracic Head and Neck Medicine Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sabrina A Stratton
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kendra L Allton
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- The Neurodegeneration Consortium, Therapeutics Discovery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Clinton Yam
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Abhinav Jain
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA
| | - Patrick M Krause
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yue Lu
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shirong Cai
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yizheng Tu
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xinhui Zhou
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xiaomei Zhang
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yan Jiang
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Christopher L Carroll
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Institute of Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zhijun Kang
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Institute of Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Bin Liu
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jianjun Shen
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mihai Gagea
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Veterinary Medicine and Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sebastian M Manu
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Lei Huo
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael Gilcrease
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Reid T Powell
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M College of Medicine, Houston, TX, USA
| | - Lei Guo
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M College of Medicine, Houston, TX, USA
| | - Clifford Stephan
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M College of Medicine, Houston, TX, USA
| | - Peter J Davies
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M College of Medicine, Houston, TX, USA
| | - Jan Parker-Thornburg
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Guillermina Lozano
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA
| | - Richard R Behringer
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA
| | - Helen Piwnica-Worms
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jeffrey T Chang
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA.
- Department of Integrative Biology and Pharmacology, University of Texas Health Sciences Center at Houston, Houston, TX, USA.
| | - Stacy L Moulder
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Michelle Craig Barton
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- Department of Epigenetics and Molecular Carcinogenesis, Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, University of Texas, Houston, TX, USA.
- Division of Oncological Sciences, Cancer Early Detection Advanced Research, Center Knight Cancer Institute Oregon Health & Science University, Portland, OR, USA.
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Tsai JM, Hata AN, Lennerz JK. MET D1228N and D1246N are the Same Resistance Mutation in MET Exon 14 Skipping. Oncologist 2021; 26:e2297-e2301. [PMID: 34347347 DOI: 10.1002/onco.13924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 07/28/2021] [Indexed: 11/07/2022] Open
Abstract
Comprehensive genetic profiling using next-generation sequencing technologies has become an integral part of precision oncology. Variant annotation requires translating the DNA findings into protein level predictions. In this article we highlight inconsistencies in variant annotation for the MET D1228N exon 19 resistance mutations. MET D1228N and D1246N represent the same resistance mutation in MET exon 14 skipping alterations annotated on different transcripts. Additional examples of relevant variants annotated on different transcripts emphasize the importance of avoiding erroneous interpretation when realizing precision oncology.
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Affiliation(s)
- Jonathan M Tsai
- Department of Pathology, Brigham and Women's Hospital/Harvard Medical School, Boston, Massachusetts, USA
| | - Aaron N Hata
- Cancer Center, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts, USA
| | - Jochen K Lennerz
- Center for Integrated Diagnostics, Department of Pathology, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts, USA
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48
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Chen K, Ma X, Nehme A, Wei J, Cui Y, Cui Y, Yao D, Wu J, Anderson T, Ferguson D, Levitt P, Qiu S. Time-delimited signaling of MET receptor tyrosine kinase regulates cortical circuit development and critical period plasticity. Mol Psychiatry 2021; 26:3723-3736. [PMID: 31900430 PMCID: PMC7332377 DOI: 10.1038/s41380-019-0635-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 11/25/2019] [Accepted: 12/11/2019] [Indexed: 02/05/2023]
Abstract
Normal development of cortical circuits, including experience-dependent cortical maturation and plasticity, requires precise temporal regulation of gene expression and molecular signaling. Such regulation, and the concomitant impact on plasticity and critical periods, is hypothesized to be disrupted in neurodevelopmental disorders. A protein that may serve such a function is the MET receptor tyrosine kinase, which is tightly regulated developmentally in rodents and primates, and exhibits reduced cortical expression in autism spectrum disorder and Rett Syndrome. We found that the peak of MET expression in developing mouse cortex coincides with the heightened period of synaptogenesis, but is precipitously downregulated prior to extensive synapse pruning and certain peak periods of cortical plasticity. These results reflect a potential on-off regulatory synaptic mechanism for specific glutamatergic cortical circuits in which MET is enriched. In order to address the functional significance of the 'off' component of the proposed mechanism, we created a controllable transgenic mouse line that sustains cortical MET signaling. Continued MET expression in cortical excitatory neurons disrupted synaptic protein profiles, altered neuronal morphology, and impaired visual cortex circuit maturation and connectivity. Remarkably, sustained MET signaling eliminates monocular deprivation-induced ocular dominance plasticity during the normal cortical critical period; while ablating MET signaling leads to early closure of critical period plasticity. The results demonstrate a novel mechanism in which temporal regulation of a pleiotropic signaling protein underlies cortical circuit maturation and timing of cortical critical period, features that may be disrupted in neurodevelopmental disorders.
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Affiliation(s)
- Ke Chen
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Xiaokuang Ma
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
- Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, 515041, China
| | - Antoine Nehme
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
| | - Jing Wei
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
| | - Yan Cui
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Yuehua Cui
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
| | - Dezhong Yao
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Jie Wu
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
- Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, 515041, China
- Barrow Neurological Institute, St. Joseph's Hospital Medical Center, Phoenix, AZ, 85013, USA
| | - Trent Anderson
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
| | - Deveroux Ferguson
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA
| | - Pat Levitt
- Department of Pediatrics and Program in Developmental Neuroscience and Neurogenetics, The Saban Research Institute, Children's Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90027, USA.
| | - Shenfeng Qiu
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, 85004, USA.
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49
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Sakai H, Morise M, Kato T, Matsumoto S, Sakamoto T, Kumagai T, Tokito T, Atagi S, Kozuki T, Tanaka H, Chikamori K, Shinagawa N, Takeoka H, Bruns R, Straub J, Schumacher KM, Paik PK. Tepotinib in patients with NSCLC harbouring MET exon 14 skipping: Japanese subset analysis from the Phase II VISION study. Jpn J Clin Oncol 2021; 51:1261-1268. [PMID: 34037224 PMCID: PMC8326385 DOI: 10.1093/jjco/hyab072] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/30/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND MET exon 14 skipping is an oncogenic driver occurring in 3-4% of non-small cell lung cancer (NSCLC). The MET inhibitor tepotinib has demonstrated clinical efficacy in patients with MET exon 14 skipping NSCLC. Here, we present data from Japanese patients in the Phase II VISION study, evaluating the efficacy and safety of tepotinib. METHODS In the open-label, single-arm, Phase II VISION study, patients with advanced/metastatic NSCLC with MET exon 14 skipping received oral tepotinib 500 mg once daily. The primary endpoint was objective response by independent review. Subgroup analyses of Japanese patients were preplanned. RESULTS As of 1 January 2020, 19 Japanese patients received tepotinib and were evaluated for safety, 15 of whom had ≥9 months' follow-up and were also analysed for efficacy. By independent review, objective response rate (ORR) was 60.0% (95% confidence interval [CI]: 32.3, 83.7), median duration of response was not reached (95% CI: 6.9, not estimable [ne]), and progression-free survival was 11.0 months (95% CI: 1.4, ne). ORR in patients with MET exon 14 skipping identified by liquid biopsy (n = 8) was 87.5% (95% CI: 47.3, 99.7), and by tissue biopsy (n = 12) was 50.0% (95% CI: 21.1, 78.9). Patients' quality of life was maintained with tepotinib treatment. Among patients evaluated for safety, the most common treatment-related adverse events (any grade) were blood creatinine increase and peripheral oedema (12 and nine patients, respectively). CONCLUSIONS Tepotinib demonstrated robust and durable clinical efficacy in Japanese patients with advanced NSCLC harbouring MET exon 14 skipping, identified by either liquid or tissue biopsy. The main adverse events, blood creatinine increase and peripheral oedema, were manageable.
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Affiliation(s)
- Hiroshi Sakai
- Department of Thoracic Oncology, Saitama Cancer Center, Ina, Japan
| | - Masahiro Morise
- Department of Respiratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Terufumi Kato
- Department of Respiratory Medicine, Kanagawa Cancer Center, Yokohama, Japan
| | - Shingo Matsumoto
- Department of Thoracic Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Tomohiro Sakamoto
- Department of Respiratory Medicine, Tottori University Hospital, Yonago, Japan
| | - Toru Kumagai
- Department of Thoracic Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Takaaki Tokito
- Department of Lung Cancer Center, Kurume University Hospital, Kurume, Japan
| | - Shinji Atagi
- Department of Thoracic Oncology, NHO Kinki-Chuo Chest Medical Center, Sakai, Japan
| | - Toshiyuki Kozuki
- Department of Respiratory Medicine, NHO Shikoku Cancer Center, Matsuyama, Japan
| | - Hiroshi Tanaka
- Department of Internal Medicine, Niigata Cancer Center Hospital, Niigata, Japan
| | - Kenichi Chikamori
- Department of Oncology, NHO Yamaguchi—Ube Medical Center, Ube, Japan
| | - Naofumi Shinagawa
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hiroaki Takeoka
- Department of Respiratory Medicine, NHO Kyushu Medical Center, Fukuoka, Japan
| | - Rolf Bruns
- Department of Biostatistics, Merck KGaA, Darmstadt, Germany
| | - Josef Straub
- Translational Medicine, Department of Clinical Biomarkers and Companion Diagnostics, Merck KGaA, Darmstadt, Germany
| | | | - Paul K Paik
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Medicine, Weill Cornell Medical College, New York, NY, USA
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50
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Zhu Y, Zhang H, Han X, Wang Z, Cui Y, Tian R, Wang Z, Han B, Tian J, Zhang F, Niu R. STAT3 mediated upregulation of C-MET signaling acts as a compensatory survival mechanism upon EGFR family inhibition in chemoresistant breast cancer cells. Cancer Lett 2021; 519:328-342. [PMID: 34348188 DOI: 10.1016/j.canlet.2021.07.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/10/2021] [Accepted: 07/28/2021] [Indexed: 11/17/2022]
Abstract
Chemotherapy remains the most common treatment for all types of breast cancer. Chemoresistance in tumors is still a major obstacle for treating late-stage breast cancer. In the process of acquiring resistance, tumor cells dynamically evolve to adapt to the challenge of anti-cancer drugs. Besides the upregulation of drug-pumps, signal pathways related to proliferation and survival undergo adaptive evolution. Thus, these drug-resistant cells are more conducive to proliferation, even in stressful conditions. Nevertheless, the detailed mechanism that drives cancer cells to sustain their proliferation ability is unclear. Herein, we reported that the upregulated C-MET signaling acts as a compensatory mechanism that sustains the proliferation of chemoresistant cells in which EGFR family signaling was attenuated. Both C-MET and EGFR family are essential for cell proliferation due to their activation of the STAT3 signaling. Different from other cell models in which C-MET interacts with and phosphorylates EGFR family members, our cell model showed no direct interaction between C-MET and EGFR family members. Therefore, C-MET and EGFR family signaling pathways function independently to sustain the proliferation of resistant cells. Moreover, chemoresistant cells have evolved a novel, STAT3-C-MET feed-forward loop that plays a vital role in sustaining cell proliferation. The activated STAT3 interacts with the MET gene promoter to upregulate its transcription. Most importantly, the combined inhibition of C-MET and EGFR family synergistically inhibits the proliferation of drug-resistant cells in vitro and in xenograft tumor models. This work provides a new strategy for treating drug-resistant breast cancer.
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Affiliation(s)
- Yuying Zhu
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - He Zhang
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Xingxing Han
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Zhiyong Wang
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Yanfen Cui
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Ran Tian
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Zhaosong Wang
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Baoai Han
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Jianfei Tian
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Fei Zhang
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China.
| | - Ruifang Niu
- Public Laboratory, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China; Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China.
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