Cited by 279Protein Tyrosine PhosphatasesProtein Kinase Regulation and GTPase SignalingMelanoma and MAPK Pathways

The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.

Targeting wild-type KRAS-amplified gastroesophageal cancer through combined MEK and SHP2 inhibition

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Abstract

The role of KRAS, when activated through canonical mutations, has been well established in cancer1. Here we explore a secondary means of KRAS activation in cancer: focal high-level amplification of the KRAS gene in the absence of coding mutations. These amplifications occur most commonly in esophageal, gastric and ovarian adenocarcinomas2–4. KRAS-amplified gastric cancer models show marked overexpression of the KRAS protein and are insensitive to MAPK blockade owing to their capacity to adaptively respond by rapidly increasing KRAS–GTP levels. Here we demonstrate that inhibition of the guanine-exchange factors SOS1 and SOS2 or the protein tyrosine phosphatase SHP2 can attenuate this adaptive process and that targeting these factors, both genetically and pharmacologically, can enhance the sensitivity of KRAS-amplified models to MEK inhibition in both in vitro and in vivo settings. These data demonstrate the relevance of copy-number amplification as a mechanism of KRAS activation, and uncover the therapeutic potential for targeting of these tumors through combined SHP2 and MEK inhibition. Amplification of wild-type KRAS in a subset of gastroesophageal tumors drives intrinsic resistance to MAPK inhibition that can be overcome by combined targeting of MEK and SHP2.

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Metadata

Authors
Wong, G. S., Zhou, J., Liu, J. B., Wu, Z., Xu, X., Li, T., Xu, D., Schumacher, S. E., Puschhof, J., McFarland, J., Zou, C., Dulak, A., Henderson, L., Xu, P., O’Day, E., Rendak, R., Liao, W.-L., Cecchi, F., Hembrough, T., Schwartz, S., Szeto, C., Rustgi, A. K., Wong, K.-K., Diehl, J. A., Jensen, K., Graziano, F., Ruzzo, A., Fereshetian, S., Mertins, P., Carr, S. A., Beroukhim, R., Nakamura, K., Oki, E., Watanabe, M., Baba, H., Imamura, Y., Catenacci, D., & Bass, A. J.
Affiliations
  • Dana-Farber Cancer Institute (US)
  • University of Chicago Medical Center (US)
  • Broad Institute (US)
  • OncoPlex Diagnostics (United States) (US)
  • Abramson Cancer Center (US)
  • Harvard University (US)
  • Medical University of South Carolina (US)
  • University of Illinois Urbana-Champaign (US)
  • University of Urbino (IT)
  • Kumamoto University (JP)
  • Kyushu University (JP)
  • The Cancer Institute Hospital (JP)
Corresponding author
  • Catenacci, Daniel
  • Bass, Adam J.
Venue
Nature Medicine
Published
2018-05-28
Volume
24
Issue
7
Pages
968-977
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2804957989
Cited by
266
References
48
Citations by year
2026: 22 · 2025: 20 · 2024: 41 · 2023: 24 · 2022: 32 · 2021: 46 · 2020: 36 · 2019: 36 · 2018: 9
FWCI
11.18
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (submittedVersion)
  • CINECA IRIS Institutional Research information system (University of Urbino) (submittedVersion, cc-by-nc-nd)
Funders
  • Japan Society for the Promotion of Science (16H06259)
  • National Cancer Institute (P50CA127003, P01CA098101, K23CA178203, P30CA014599)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
Keywords
gastroesophageal cancer, gastric cancer, esophageal adenocarcinoma, MEK inhibition, SHP2 inhibition, SOS1, SOS2, MAPK signaling, MAPK inhibitor resistance, combination therapy, guanine nucleotide exchange factor, protein tyrosine phosphatase
MeSH terms
Animals, Disease Models, Animal, Esophageal Neoplasms, Gene Amplification, Humans, Piperidines, Pyridones, Pyrimidines, Pyrimidinones, Stomach Neoplasms, Proto-Oncogene Proteins p21(ras), Mitogen-Activated Protein Kinase Kinases, Cell Line, Tumor, Protein Kinase Inhibitors, Mice, Protein Tyrosine Phosphatase, Non-Receptor Type 11

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