Cited by 220Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchComputational Drug Discovery Methods

Chemogenomic profiling provides insights into the limited activity of irreversible EGFR Inhibitors in tumor cells expressing the T790M EGFR resistance mutation.

Sos, Martin L., Rode, Haridas B., Heynck, Stefanie, Peifer, Martin, Fischer, Florian, Klüter, Sabine, Pawar, Vijaykumar G., Reuter, Cecile +12 more·2010·Cancer Research

Published version of a preprint

Abstract

Reversible epidermal growth factor receptor (EGFR) inhibitors are the first class of small molecules to improve progression-free survival of patients with EGFR-mutated lung cancers. Second-generation EGFR inhibitors introduced to overcome acquired resistance by the T790M resistance mutation of EGFR have thus far shown limited clinical activity in patients with T790M-mutant tumors. In this study, we systematically analyzed the determinants of the activity and selectivity of the second-generation EGFR inhibitors. A focused library of irreversible as well as structurally corresponding reversible EGFR-inhibitors was synthesized for chemogenomic profiling involving over 79 genetically defined NSCLC and 19 EGFR-dependent cell lines. Overall, our results show that the growth-inhibitory potency of all irreversible inhibitors against the EGFR(T790M) resistance mutation was limited by reduced target inhibition, linked to decreased binding velocity to the mutant kinase. Combined treatment of T790M-mutant tumor cells with BIBW-2992 and the phosphoinositide-3-kinase/mammalian target of rapamycin inhibitor PI-103 led to synergistic induction of apoptosis. Our findings offer a mechanistic explanation for the limited efficacy of irreversible EGFR inhibitors in EGFR(T790M) gatekeeper-mutant tumors, and they prompt combination treatment strategies involving inhibitors that target signaling downstream of the EGFR.

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Crossref · 10.1158/0008-5472.can-09-3106

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Authors
Sos, M. L., Rode, H. B., Heynck, S., Peifer, M., Fischer, F., Klüter, S., Pawar, V. G., Reuter, C., Heuckmann, J. M., Weiss, J., Ruddigkeit, L., Rabiller, M., Koker, M., Simard, J. R., Getlik, M., Yuza, Y., Chen, T.-H., Greulich, H., Thomas, R. K., & Rauh, D.
Affiliations
Broad Institute (US)
Corresponding author
Rauh, Daniel
Venue
Cancer Research
Published
2010-01-31
Volume
70
Issue
3
Pages
868-874
ISSN
  • 0008-5472 (ISSN-L)
  • 1538-7445
OpenAlex
W2138536086
Cited by
220
References
20
Citations by year
2026: 3 · 2025: 11 · 2024: 5 · 2023: 14 · 2022: 14 · 2021: 15 · 2020: 12 · 2019: 21 · 2018: 19 · 2017: 12 · 2016: 15 · 2015: 11 · 2014: 10 · 2013: 16 · 2012: 18
FWCI
16.80
Type
journal article
Language
en
Open access
closed
Locations
  • Cancer Research (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
Keywords
EGFR inhibitors, T790M mutation, irreversible kinase inhibitors, chemogenomic profiling, non-small cell lung cancer, acquired drug resistance, afatinib, PI-103, PI3K/mTOR inhibition, apoptosis, combination therapy, gatekeeper mutation
MeSH terms
Afatinib, Phosphoinositide-3 Kinase Inhibitors, Animals, Carcinoma, Non-Small-Cell Lung, Cell Line, Furans, Humans, Lung Neoplasms, Mutation, Pyridines, Pyrimidines, Quinazolines, Blotting, Western, Molecular Structure, Signal Transduction, Cluster Analysis, Apoptosis, Erb-b2 Receptor Tyrosine Kinases, Receptor, ErbB-2, Drug Resistance, Neoplasm, Phosphatidylinositol 3-Kinases, Amino Acid Substitution, Cell Line, Tumor, Protein Kinase Inhibitors, Cell Proliferation, ErbB Receptors

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