Cited by 45Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchCancer therapeutics and mechanisms

Structural basis of mutant-selectivity and drug-resistance related to CO-1686

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Yan, Xiao-E, Zhu, Su-Jie, Liang, Ling, Zhao, Peng, Choi, Hwan Geun, Yun, Cai-Hong·2017·Oncotarget

Abstract

// Xiao-E Yan 1, 2, * , Su-Jie Zhu 1, 2, * , Ling Liang 1, 2 , Peng Zhao 1, 2 , Hwan Geun Choi 3, 4 and Cai-Hong Yun 1, 2 1 Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China 2 Department of Biophysics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China 3 Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA 4 Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA * These authors have contributed equally to this work Correspondence to: Cai-Hong Yun, email: yunch@hsc.pku.edu.cn Keywords: NSCLC, EGFR kinase, T790M, CO-1686, structural pharmacology Received: March 31, 2017 Accepted: May 08, 2017 Published: June 21, 2017 ABSTRACT Non-small-cell lung cancers (NSCLCs) caused by activating mutations in the kinase domain of epidermal growth factor receptor (EGFR) initially respond to first-generation reversible drugs gefitinib and erlotinib. However, clinical efficacy is limited due to the development of drug-resistance that in more than half of the cases are driven by the secondary T790M mutation. CO-1686 is one of the third generation irreversible inhibitors that inhibits EGFR activating mutants, including those with concurrent T790M, while avoiding the off-target toxicity owing to inhibition of wild-type EGFR in treating EGFR mutation-positive NSCLCs. Despite the remarkable success, the experimentally determined structure of this agent in complex with EGFR T790M remains unknown. In this study, we determined crystal structures of EGFR T790M or L858R mutants covalently bound by CO-1686. Based on these structural data, we can explain why CO-1686 irreversibly inhibits EGFR and selectively prefers T790M, which may help improving this or similar compounds, and explain why EGFR L718Q and L844V mutations incur resistance to this agent.

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Authors
Yan, X.-E., Zhu, S.-J., Liang, L., Zhao, P., Choi, H. G., & Yun, C.-H.
Affiliations
  • Peking University (CN)
  • Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
  • Harvard University (US)
Corresponding author
Yan, Xiao-E
Venue
Oncotarget
Published
2017-06-21
Volume
8
Issue
32
Pages
53508-53517
ISSN
1949-2553 (ISSN-L)
OpenAlex
W2660786561
Cited by
43
References
32
Citations by year
2026: 7 · 2025: 3 · 2024: 4 · 2023: 8 · 2022: 7 · 2021: 3 · 2020: 5 · 2019: 1 · 2018: 5
FWCI
2.49
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Oncotarget (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
Funders
  • Salt Science Research Foundation (BL19U1)
  • National Natural Science Foundation of China (973 Program, 31270769)
  • Program for New Century Excellent Talents in University
  • National Key Research and Development Program of China (2012CB917202)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer therapeutics and mechanisms
Keywords
osimertinib, T790M mutation, L858R mutation, irreversible kinase inhibitors, non-small cell lung cancer, drug resistance, crystal structure, epidermal growth factor receptor

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