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Tang S, Sun C, He X, Gan W, Wang L, Qiao D, Guan X, Xu S, Zheng P, Zhu W. Design, synthesis, and biological evaluation of 4-(2-fluorophenoxy)-7-methoxyquinazoline derivatives as dual EGFR/c-Met inhibitors for the treatment of NSCLC. Eur J Med Chem 2024; 263:115939. [PMID: 37984296 DOI: 10.1016/j.ejmech.2023.115939] [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: 09/13/2023] [Revised: 11/04/2023] [Accepted: 11/05/2023] [Indexed: 11/22/2023]
Abstract
In non-small cell lung cancer (NSCLC) treatment, aberrant expression of c-mesenchymal-epithelial transition factor (c-Met) has been identified as a driving factor in epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) resistance. Unfortunately, none of the EGFR/c-Met dual-target inhibitors have successfully passed clinical trials. Hence, based on molecular docking analysis and combination principles of EGFR and c-Met inhibitors, three series of 4-(2-fluorophenoxy)-7-methoxyquinazoline derivatives as new EGFR/c-Met inhibitors were designed, synthesized, and evaluated for their biological activities. Among these compounds, TS-41 displayed the best inhibitory activity against EGFRL858R and c-Met kinases, with an IC50 value of 68.1 nM and 0.26 nM respectively. Moreover, it also showed excellent inhibitory activity on three NSCLC cell lines A549-P, H1975 and PC-9 with IC50 values ranging from 1.48 to 2.76 μM. Flow cytometry assays demonstrated that TS-41 induced apoptosis and cell cycle arrest of A549-P cells in a concentration-dependent manner, corresponding to JC-1 staining assay results. Western blot analysis revealed that TS-41 significantly downregulated the phosphorylation of EGFR, c-Met, and downstream AKT at molecular level. Importantly, TS-41 exhibited potent in vivo anticancer efficacy in an A549-P-bearing allograft nude mouse model at a dose of 60 mg/kg with a tumor growth inhibition rate of 55.3 % compared with Afatinib (46.4 %), as well as low hemolytic toxicity and organ toxicity. Molecular docking results showed that TS-41 was well embedded into the cavity of EGFR (PDB: 5GMP) and c-Met (PDB: 3LQ8) proteins, respectively. In summary, TS-41 is a high-efficiency and low-toxicity EGFR/c-Met inhibitor for the treatment of NSCLC and is worthy of further exploration.
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Affiliation(s)
- Sheng Tang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Chuanchuan Sun
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Xintao He
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Wenhui Gan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Linxiao Wang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Dan Qiao
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Xinyu Guan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Shan Xu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Pengwu Zheng
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Wufu Zhu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China.
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2
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Zhang H, Gan W, Fan D, Zheng P, Lv Q, Pan Q, Zhu W. Novel quinazoline-based dual EGFR/c-Met inhibitors overcoming drug resistance for the treatment of NSCLC: Design, synthesis and anti-tumor activity. Bioorg Chem 2024; 142:106938. [PMID: 37913585 DOI: 10.1016/j.bioorg.2023.106938] [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: 09/13/2023] [Revised: 10/19/2023] [Accepted: 10/22/2023] [Indexed: 11/03/2023]
Abstract
Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR TKIs) have demonstrated the ability to impede tumor cell proliferation by suppressing EGFR expression. Nonetheless, patients undergoing treatment may acquire resistance, which may occur through an EGFR-dependent (such as T790M mutation) or an EGFR-independent (such as c-Met amplification) manner. Therefore, developing dual-target inhibitors might present a potential avenue for addressing treatment-acquired resistance in patients. Herein, we designed, synthesized, and screened several novel 4-phenoxyquinazoline derivatives, aiming to identify a potent dual EGFR/c-Met inhibitor for the treatment of NSCLC, among which H-22 emerged as the most promising candidate exhibiting significant antitumor properties. Moreover, we assessed the in vitro inhibitory effect of H-22 on EGFR kinase and c-Met kinase in five cancer cell lines. In addition, a series of functional experiments (cell cycle, apoptosis assays, in vitro/in vivo animal model, etc.) were conducted to further investigate the anti-tumor mechanisms of H-22. The present study revealed that H-22 exhibited strong antitumor activity both in vitro and in vivo. Interestingly, H-22 exhibited anti-proliferative activity (2.27-3.35 μM) similar to Afatinib against all five cancer cells, with inhibitory functions against EGFRWT, EGFRL858R/T790M, and c-Met kinases at a concentration of 64.8, 305.4 and 137.4 nM, respectively. Cell cycle analysis indicated that the antiproliferative activity of H-22 was associated with its ability to cause G2/M arrest. Furthermore, in vivo data showed that H-22 could inhibit tumor growth in our xenograft models and induce apoptosis. Collectively, our findings uncovered that H-22 is a novel dual EGFR and c-Met inhibitor and a prospective anti-tumor therapeutic drug.
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Affiliation(s)
- Han Zhang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China
| | - Wenhui Gan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China
| | - Dang Fan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China
| | - Pengwu Zheng
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China
| | - Qiaoli Lv
- Jiangxi Key Laboratory of Translational Cancer Research, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang, Jiangxi, 330029, PR China.
| | - Qingshan Pan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China.
| | - Wufu Zhu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China.
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Wang C, Zhang Y, Zhang T, Xu J, Yan S, Liang B, Xing D. Epidermal growth factor receptor dual-target inhibitors as a novel therapy for cancer: A review. Int J Biol Macromol 2023; 253:127440. [PMID: 37839594 DOI: 10.1016/j.ijbiomac.2023.127440] [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: 03/22/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/17/2023]
Abstract
Overexpression of the epidermal growth factor receptor (EGFR) has been linked to several human cancers, including esophageal cancer, pancreatic cancer, anal cancer, breast cancer, and lung cancer, particularly non-small cell lung cancer (NSCLC). Therefore, EGFR has emerged as a critical target for treating solid tumors. Many 1st-, 2nd-, 3rd-, and 4th-generation EGFR single-target inhibitors with clinical efficacy have been designed and synthesized in recent years. Drug resistance caused by EGFR mutations has posed a significant challenge to the large-scale clinical application of EGFR single-target inhibitors and the discovery of novel EGFR inhibitors. Therapeutic methods for overcoming multipoint EGFR mutations are still needed in medicine. EGFR dual-target inhibitors are more promising than single-target inhibitors as they have a lower risk of drug resistance, higher efficacy, lower dosage, and fewer adverse events. EGFR dual-target inhibitors have been developed sequentially to date, providing new options for remission in patients with previously untreatable malignancies and laying the groundwork for a future generation of compounds. This paper introduces the EGFR family proteins and their synergistic effects with other anticancer targets, and provides a comprehensive review of the development of EGFR dual-target inhibitors in cancer, as well as the opportunities and challenges associated with those fields.
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Affiliation(s)
- Chao Wang
- The Affiliated Hospital of Qingdao University, Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; Qingdao Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China
| | - Yujing Zhang
- The Affiliated Cardiovascular Hospital of Qingdao University, Qingdao University, Qingdao 266071, Shandong, China.
| | - Tingting Zhang
- The Affiliated Hospital of Qingdao University, Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; Qingdao Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China
| | - Jiazhen Xu
- The Affiliated Hospital of Qingdao University, Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; Qingdao Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China
| | - Saisai Yan
- The Affiliated Hospital of Qingdao University, Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; Qingdao Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China.
| | - Bing Liang
- The Affiliated Hospital of Qingdao University, Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; Qingdao Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China.
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; Qingdao Cancer Institute, Qingdao University, Qingdao 266071, Shandong, China; School of Life Sciences, Tsinghua University, Beijing 100084, China
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Tan L, Zhang J, Wang Y, Wang X, Wang Y, Zhang Z, Shuai W, Wang G, Chen J, Wang C, Ouyang L, Li W. Development of Dual Inhibitors Targeting Epidermal Growth Factor Receptor in Cancer Therapy. J Med Chem 2022; 65:5149-5183. [PMID: 35311289 DOI: 10.1021/acs.jmedchem.1c01714] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Epidermal growth factor receptor (EGFR) is of great significance in mediating cell signaling transduction and tumor behaviors. Currently, third-generation inhibitors of EGFR, especially osimertinib, are at the clinical frontier for the treatment of EGFR-mutant non-small-cell lung cancer (NSCLC). Regrettably, the rapidly developing drug resistance caused by EGFR mutations and the compensatory mechanism have largely limited their clinical efficacy. Given the synergistic effect between EGFR and other compensatory targets during tumorigenesis and tumor development, EGFR dual-target inhibitors are promising for their reduced risk of drug resistance, higher efficacy, lower dosage, and fewer adverse events than those of single-target inhibitors. Hence, we present the synergistic mechanism underlying the role of EGFR dual-target inhibitors against drug resistance, their structure-activity relationships, and their therapeutic potential. Most importantly, we emphasize the optimal target combinations and design strategies for EGFR dual-target inhibitors and provide some perspectives on new challenges and future directions in this field.
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Affiliation(s)
- Lun Tan
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Jifa Zhang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Yuxi Wang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Xiye Wang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Yanyan Wang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Zhixiong Zhang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Wen Shuai
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Guan Wang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Juncheng Chen
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Chengdi Wang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Liang Ouyang
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Weimin Li
- Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Precision Medicine Key Laboratory of Sichuan Province and Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
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5
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Zsákai L, Sipos A, Dobos J, Erős D, Szántai-Kis C, Bánhegyi P, Pató J, Őrfi L, Matula Z, Mikala G, Kéri G, Peták I, Vályi-Nagy I. Targeted drug combination therapy design based on driver genes. Oncotarget 2019; 10:5255-5266. [PMID: 31523388 PMCID: PMC6731102 DOI: 10.18632/oncotarget.26985] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 06/25/2018] [Indexed: 11/25/2022] Open
Abstract
Targeted therapies against cancer types with more than one driver gene hold bright but elusive promise, since approved drugs are not available for all driver mutations and monotherapies often result in resistance. Targeting multiple driver genes in different pathways at the same time may provide an impact extensive enough to fight resistance. Our goal was to find synergistic drug combinations based on the availability of targeted drugs and their biological activity profiles and created an associated compound library based on driver gene-related protein targets. In this study, we would like to show that driver gene pattern based customized combination therapies are more effective than monotherapies on six cell lines and patient-derived primary cell cultures. We tested 55–102 drug combinations targeting driver genes and driver pathways for each cell line and found 25–85% of these combinations highly synergistic. Blocking 2–5 cancer pathways using only 2–3 targeted drugs was sufficient to reach high rates of tumor cell eradication at remarkably low concentrations. Our results demonstrate that the efficiency of cancer treatment may be significantly improved by combining drugs against multiple tumor specific drivers.
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Affiliation(s)
- Lilian Zsákai
- Vichem Chemie Research Ltd., Budapest, Hungary.,Department of Hematology and Stem Cell Transplantation, Central Hospital of Southern Pest National Institute of Hematology and Infectious Diseases, Budapest, Hungary
| | - Anna Sipos
- Vichem Chemie Research Ltd., Budapest, Hungary.,Oncompass Medicine Hungary Ltd., Budapest, Hungary
| | - Judit Dobos
- Vichem Chemie Research Ltd., Budapest, Hungary
| | - Dániel Erős
- Vichem Chemie Research Ltd., Budapest, Hungary
| | | | | | - János Pató
- Vichem Chemie Research Ltd., Budapest, Hungary
| | - László Őrfi
- Vichem Chemie Research Ltd., Budapest, Hungary.,Department of Pharmaceutical Chemistry, Semmelweis University, Budapest, Hungary
| | - Zsolt Matula
- Department of Hematology and Stem Cell Transplantation, Central Hospital of Southern Pest National Institute of Hematology and Infectious Diseases, Budapest, Hungary
| | - Gábor Mikala
- Department of Hematology and Stem Cell Transplantation, Central Hospital of Southern Pest National Institute of Hematology and Infectious Diseases, Budapest, Hungary
| | - György Kéri
- Vichem Chemie Research Ltd., Budapest, Hungary.,MTA-SE Patho-Biochemistry Research Group, Department of Medical Chemistry, Semmelweis University, Budapest, Hungary.,Author deceased
| | - István Peták
- Oncompass Medicine Hungary Ltd., Budapest, Hungary.,Department of Pharmacology, Semmelweis University, Budapest, Hungary
| | - István Vályi-Nagy
- Department of Hematology and Stem Cell Transplantation, Central Hospital of Southern Pest National Institute of Hematology and Infectious Diseases, Budapest, Hungary
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6
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Parikh PK, Ghate MD. Recent advances in the discovery of small molecule c-Met Kinase inhibitors. Eur J Med Chem 2018; 143:1103-1138. [DOI: 10.1016/j.ejmech.2017.08.044] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Revised: 08/03/2017] [Accepted: 08/21/2017] [Indexed: 12/17/2022]
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Narayanan D, Gani OABSM, Gruber FXE, Engh RA. Data driven polypharmacological drug design for lung cancer: analyses for targeting ALK, MET, and EGFR. J Cheminform 2017; 9:43. [PMID: 29086093 PMCID: PMC5496928 DOI: 10.1186/s13321-017-0229-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Accepted: 06/18/2017] [Indexed: 12/14/2022] Open
Abstract
Drug design of protein kinase inhibitors is now greatly enabled by thousands of publicly available X-ray structures, extensive ligand binding data, and optimized scaffolds coming off patent. The extensive data begin to enable design against a spectrum of targets (polypharmacology); however, the data also reveal heterogeneities of structure, subtleties of chemical interactions, and apparent inconsistencies between diverse data types. As a result, incorporation of all relevant data requires expert choices to combine computational and informatics methods, along with human insight. Here we consider polypharmacological targeting of protein kinases ALK, MET, and EGFR (and its drug resistant mutant T790M) in non small cell lung cancer as an example. Both EGFR and ALK represent sources of primary oncogenic lesions, while drug resistance arises from MET amplification and EGFR mutation. A drug which inhibits these targets will expand relevant patient populations and forestall drug resistance. Crizotinib co-targets ALK and MET. Analysis of the crystal structures reveals few shared interaction types, highlighting proton-arene and key CH–O hydrogen bonding interactions. These are not typically encoded into molecular mechanics force fields. Cheminformatics analyses of binding data show EGFR to be dissimilar to ALK and MET, but its structure shows how it may be co-targeted with the addition of a covalent trap. This suggests a strategy for the design of a focussed chemical library based on a pan-kinome scaffold. Tests of model compounds show these to be compatible with the goal of ALK, MET, and EGFR polypharmacology.
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Affiliation(s)
- Dilip Narayanan
- The Norwegian Structural Biology Center, Department of Chemistry, Faculty of Science, UiT The Arctic University of Norway, Tromsø, Norway
| | - Osman A B S M Gani
- The Norwegian Structural Biology Center, Department of Chemistry, Faculty of Science, UiT The Arctic University of Norway, Tromsø, Norway
| | - Franz X E Gruber
- The Norwegian Structural Biology Center, Department of Chemistry, Faculty of Science, UiT The Arctic University of Norway, Tromsø, Norway
| | - Richard A Engh
- The Norwegian Structural Biology Center, Department of Chemistry, Faculty of Science, UiT The Arctic University of Norway, Tromsø, Norway.
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8
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Chung C, Yoo G, Kim T, Lee D, Lee CS, Cha HR, Park YH, Moon JY, Jung SS, Kim JO, Lee JC, Kim SY, Park HS, Park M, Park DI, Lim DS, Jang KW, Lee JE. The E3 ubiquitin ligase CHIP selectively regulates mutant epidermal growth factor receptor by ubiquitination and degradation. Biochem Biophys Res Commun 2016; 479:152-158. [PMID: 27475501 DOI: 10.1016/j.bbrc.2016.07.111] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 07/25/2016] [Indexed: 12/11/2022]
Abstract
Somatic mutation in the tyrosine kinase domain of epidermal growth factor receptor (EGFR) is a decisive factor for the therapeutic response to EGFR tyrosine kinase inhibitors (EGFR-TKIs) in lung adenocarcinoma. The stability of mutant EGFR is maintained by various regulators, including heat shock protein 90 (Hsp90). The C terminus of Hsc70-interacting protein (CHIP) is a Hsp70/Hsp90 co-chaperone and exhibits E3 ubiquitin ligase activity. The high-affinity Hsp90-CHIP complex recognizes and selectively regulates their client proteins. CHIP also works with its own E3 ligase activity independently of Hsp70/Hsp90. Here, we investigated the role of CHIP in regulating EGFR in lung adenocarcinoma and also evaluated the specificity of CHIP's effects on mutant EGFR. In HEK 293T cells transfected with either WT EGFR or EGFR mutants, the overexpression of CHIP selectively decreased the expression of certain EGFR mutants (G719S, L747_E749del A750P and L858R) but not WT EGFR. In a pull-down assay, CHIP selectively interacted with EGFR mutants and simultaneously induced their ubiquitination and proteasomal degradation. The expressions of mutant EGFR in PC9 and H1975 were diminished by CHIP, while the expression of WT EGFR in A549 was nearly not affected. In addition, CHIP overexpression inhibited cell proliferation and xenograft's tumor growth of EGFR mutant cell lines, but not WT EGFR cell lines. EGFR mutant specific ubiquitination by CHIP may provide a crucial regulating mechanism for EGFR in lung adenocarcinoma. Our results suggest that CHIP can be novel therapeutic target for overcoming the EGFR TKI resistance.
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Affiliation(s)
- Chaeuk Chung
- Cancer Institute of Chungnam National University, Daejeon 35015, South Korea; Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Geon Yoo
- School of Biological Sciences, Seoul National University, Seoul 151-742, South Korea
| | - Tackhoon Kim
- National Creative Research Center for Cell Division and Differentiation, Department of Biological Sciences, Korea Advanced Institute of Science and Technology(KAIST), Daejeon 34141, South Korea
| | - Dahye Lee
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Choong-Sik Lee
- Department of Pathology, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Hye Rim Cha
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Yeon Hee Park
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Jae Young Moon
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Sung Soo Jung
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Ju Ock Kim
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Jae Cheol Lee
- Department of Oncology, College of Medicine, University of Ulsan Asan Medical Center, Seoul, South Korea
| | - Sun Young Kim
- Cancer Institute of Chungnam National University, Daejeon 35015, South Korea; Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Hee Sun Park
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Myoungrin Park
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Dong Il Park
- Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Dae-Sik Lim
- National Creative Research Center for Cell Division and Differentiation, Department of Biological Sciences, Korea Advanced Institute of Science and Technology(KAIST), Daejeon 34141, South Korea
| | - Kang Won Jang
- Cancer Institute of Chungnam National University, Daejeon 35015, South Korea; Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea
| | - Jeong Eun Lee
- Cancer Institute of Chungnam National University, Daejeon 35015, South Korea; Division of Pulmonology, Department of Internal Medicine, College of Medicine, Chungnam National University, Daejeon 35015, South Korea.
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Wu DW, Chen TC, Huang HS, Lee H. TC-N19, a novel dual inhibitor of EGFR and cMET, efficiently overcomes EGFR-TKI resistance in non-small-cell lung cancer cells. Cell Death Dis 2016; 7:e2290. [PMID: 27362807 DOI: 10.1038/cddis.2016.192] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 06/03/2016] [Accepted: 06/06/2016] [Indexed: 12/22/2022]
Abstract
Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) show a clinical benefit when used to treat patients with EGFR-mutated non-small-cell lung cancer (NSCLC), but this treatment unfortunately fails in patients with TKI-resistant tumors. We here provide evidence that TC-N19 (N19), a novel dual inhibitor of EGFR and cMET, efficiently overcomes the EGFR-TKI resistance in EGFR-mutated NSCLC cells via simultaneous degradation of both proteins by ubiquitin proteasomes. Comparison with HSP90 inhibitor treatment and knockdown of EGFR and cMET by small hairpin RNAs reveal that the reduction of EGFR and cMET expression by N19 is responsible for overcoming the intrinsic TKI resistance mediated by paxillin (PXN) in high PXN-expressing cells, PXN-overexpressing PC9 cells (PC9-PXN), the EGFR-T790M-mediated TKI resistance in H1975 and CL97 cells, and the acquired resistance to gefitinib in gefitinib-resistant PC9 cells (PC9GR). Annexin V-PI staining assay showed that the induction of apoptosis in NSCLC cells by N19 depended on the reduction in levels of both proteins. Xenograft tumor formation in nude mice induced by a PC9-PXN-stable clone and by PC9GR cells was nearly completely suppressed by N19 treatment, with no changes in animal body weight. MTT assays of normal lung cells and reticulocytes showed no cytotoxicity responses to N19. In summary, N19 may act as a novel dual inhibitor of EGFR and cMET that induces apoptosis in TKI-resistant EGFR-mutated NSCLC cells and suppresses xenograft tumor formation. We suggest that N19 may be a potential new-generation TKI or HSP90 inhibitor used for treatment of NSCLC patients who show resistance to current TKI-targeting therapies.
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Chang CC, Hsieh TL, Tiong TY, Hsiao CH, Ji AT, Hsu WT, Lee OK, Ho JH. Regulation of metastatic ability and drug resistance in pulmonary adenocarcinoma by matrix rigidity via activating c-Met and EGFR. Biomaterials 2015; 60:141-50. [PMID: 26000960 DOI: 10.1016/j.biomaterials.2015.04.058] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 04/24/2015] [Accepted: 04/30/2015] [Indexed: 12/30/2022]
Abstract
Lung fibrosis is a poor prognostic factor for pulmonary adenocarcinoma, and the effect of a rigid microenvironment on cancer behavior is unclear. We cultured A549 cells on matrices of 0.2, 2, and 25 kPa to mimic the rigidities of normal lung parenchyma, progressive fibrotic change, and lung fibrosis, respectively. Lung tissue from patients with pulmonary adenocarcinoma was used to confirm the in vitro findings. Increased matrix rigidity promoted cell proliferation and upregulated the epidermal growth factor receptor (EGFR), hepatocyte growth factor receptor (c-Met), and Snail expression in A549 cells. A549 cells became more resistant to the EGFR inhibitor (Erlotinib) and c-Met inhibitor (PHA-665752) when matrix rigidity increased; however, a high concentration of PHA-665752 reversed the rigidity-induced morphological pleomorphism. In human lung tissue, expression of type I collagen was more consistent with clinical fibrosis than the expression of alpha-smooth muscle antibody was. c-Met- and Snail-expressing tumor cells, rather than EGFR-experssing cells, were localized with lung parenchyma rich in type I collagen. Our findings suggest that c-Met causes the rigidity-induced biophysical reaction in pulmonary adenocarcinoma. Treatment targeting both EGFR and c-Met should be considered for patients with lung fibrosis and who are abundant type I collagen expression in the tumor mass.
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Mao ZY, Zhu GQ, Ren L, Guo XC, Su D, Bai L. Prognostic Value of C-met Expression in Cholangiocarcinoma. Technol Cancer Res Treat 2015; 15:227-33. [PMID: 25873560 DOI: 10.1177/1533034615578959] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 02/19/2015] [Indexed: 12/14/2022] Open
Abstract
Aim: To explore the relationship of clinicopathological features and the proteins of C-met expression in the prognosis of cholangiocarcinoma. Methods: Clinical data and the completed follow-up information of patients with cholangiocarcinoma who underwent cholangiocarcinoma operation from January 2004 to December 2010 were analyzed retrospectively. The relationship of clinicopathological features and C-met in the prognosis of the patients was analyzed. Results: Patients with high expression of C-met had significantly shorter overall survival than those with low expression of C-met, the difference being statistically significant ( P = .003). Patients with high C-met expression had significantly shorter disease-free survival time than those with low expression of C-met, the difference being statistically significant ( P = .009). By COX multivariate analysis, high C-met expression in tumor tissues was an independent risk factor in predicting overall survival and disease-free survival for patients with cholangiocarcinoma ( P = .038, .048, relative risk = 1.390, 1.427). Conclusion: Patients with high C-met expression in cancer tissues had shorter disease-free survival and overall survival. High expression of C-met is an independent risk factor for overall survival and disease-free survival.
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Affiliation(s)
- Zhi-Yuan Mao
- Department of Oncology, Air Force General Hospital of PLA, Beijing, China
| | - Guang-Qing Zhu
- Department of Oncology, Air Force General Hospital of PLA, Beijing, China
| | - Li Ren
- Department of Pathology, Air Force General Hospital of PLA, Beijing, China
| | - Xiao-Chuan Guo
- Department of Oncology, Chinese PLA General Hospital, Beijing, China
| | - Dan Su
- Department of Oncology, Chinese PLA General Hospital, Beijing, China
| | - Li Bai
- Department of Oncology, Chinese PLA General Hospital, Beijing, China
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