Cited by 49PI3K/AKT/mTOR signaling in cancerHER2/EGFR in Cancer ResearchLung Cancer Treatments and Mutations

Hyperactivation of TORC1 drives resistance to the pan-HER tyrosine kinase inhibitor neratinib in HER2-mutant cancers

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Sudhan, Dhivya R., Guerrero-Zotano, Angel, Won, Helen, González Ericsson, Paula, Servetto, Alberto, Huerta-Rosario, Mariela, Ye, Dan, Lee, Kyung-min +14 more·2020·Cancer Cell

Abstract

We developed neratinib-resistant HER2-mutant cancer cells by gradual dose escalation. RNA sequencing identified TORC1 signaling as an actionable mechanism of drug resistance. Primary and acquired neratinib resistance in HER2-mutant breast cancer patient-derived xenografts (PDXs) was also associated with TORC1 hyperactivity. Genetic suppression of RAPTOR or RHEB ablated P-S6 and restored sensitivity to the tyrosine kinase inhibitor. The combination of the TORC1 inhibitor everolimus and neratinib potently arrested the growth of neratinib-resistant xenografts and organoids established from neratinib-resistant PDXs. RNA and whole-exome sequencing revealed RAS-mediated TORC1 activation in a subset of neratinib-resistant models. DNA sequencing of HER2-mutant tumors clinically refractory to neratinib, as well as circulating tumor DNA profiling of patients who progressed on neratinib, showed enrichment of genomic alterations that converge to activate the mTOR pathway.

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Authors
Sudhan, D. R., Guerrero-Zotano, A., Won, H., González Ericsson, P., Servetto, A., Huerta-Rosario, M., Ye, D., Lee, K.-M., Formisano, L., Guo, Y., Liu, Q., Kinch, L. N., Red Brewer, M., Dugger, T., Koch, J., Wick, M. J., Cutler, R. E., Lalani, A. S., Bryce, R., Auerbach, A., Hanker, A. B., & Arteaga, C. L.
Affiliations
  • Harold C. Simmons Comprehensive Cancer Center (US)
  • Memorial Sloan Kettering Cancer Center (US)
  • Vanderbilt University Medical Center (US)
  • University of New Mexico (US)
  • Howard Hughes Medical Institute (US)
  • South Texas Accelerated Research Therapeutics (US)
  • Puma Biotechnology (United States) (US)
Corresponding author
  • Hanker, Ariella B.
  • Arteaga, Carlos L.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2020-02
Volume
37
Issue
2
Pages
183-199.e5
ISSN
1535-6108 (ISSN-L)
OpenAlex
W3002857006
Cited by
49
References
67
Citations by year
2025: 2 · 2024: 10 · 2023: 9 · 2022: 11 · 2021: 10 · 2020: 6 · 2019: 1
FWCI
2.92
Type
journal article
Language
en
Update notices
erratum (2020-02-10)
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Cancer Prevention and Research Institute of Texas
  • National Cancer Institute (P50 CA098131, 5P30CA142543)
  • Vanderbilt-Ingram Cancer Center (P30 CA68485)
  • Breast Cancer Research Foundation
  • Susan G. Komen (5P30CA142543, SAC100013)
  • University of Texas Southwestern Medical Center (P30 CA142543)
  • Takeda Pharmaceuticals U.S.A.
  • Pfizer
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
Keywords
neratinib, drug resistance, TORC1 signaling, mTOR signaling, Ras signaling, raptors, Rheb, S6 phosphorylation, patient-derived xenografts, organoids, circulating tumor DNA, HER2 tyrosine kinase inhibitor
MeSH terms
Mechanistic Target of Rapamycin Complex 1, Breast Neoplasms, Humans, Quinolines, Signal Transduction, Receptor, ErbB-2, Erb-b2 Receptor Tyrosine Kinases, Drug Resistance, Neoplasm, Cell Line, Tumor, Protein Kinase Inhibitors

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