Cited by 1,179Protein Kinase Regulation and GTPase SignalingCancer-related Molecular PathwaysCancer Genomics and Diagnostics

Somatic activation of the K-ras oncogene causes early onset lung cancer in mice

Johnson, Leisa, Mercer, Kim, Greenbaum, Doron, Bronson, Roderick T., Crowley, Denise, Tuveson, David A., Jacks, Tyler·2001·Nature

Abstract

About 30% of human tumours carry ras gene mutations. Of the three genes in this family (composed of K-ras, N-ras and H-ras), K-ras is the most frequently mutated member in human tumours, including adenocarcinomas of the pancreas ( approximately 70-90% incidence), colon ( approximately 50%) and lung ( approximately 25-50%). To construct mouse tumour models involving K-ras, we used a new gene targeting procedure to create mouse strains carrying oncogenic alleles of K-ras that can be activated only on a spontaneous recombination event in the whole animal. Here we show that mice carrying these mutations were highly predisposed to a range of tumour types, predominantly early onset lung cancer. This model was further characterized by examining the effects of germline mutations in the tumour suppressor gene p53, which is known to be mutated along with K-ras in human tumours. This approach has several advantages over traditional transgenic strategies, including that it more closely recapitulates spontaneous oncogene activation as seen in human cancers.

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Crossref · 10.1038/35074129

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  • K-rasLA2 mice develop multi-focal lung tumors with 100% penetrance, and less frequently develop thymic lymphomas and skin papillomas.

    “K-rasLA2 mice develop multi-focal lung tumors with 100% penetrance, and less frequently develop thymic lymphomas and skin papillomas (Johnson et al., 2001).”

    From Modulation of K-Ras-Dependent Lung Tumorigenesis by MicroRNA-21 (2010) · cites this paper as Johnson et al., 2001

  • Loss of p53 or expression of dominant negative or gain-of-function Trp53 mutants co-operate with oncogenic Kras to induce LUADs with shortened latency and increased metastatic proclivity, although these tumors are less aggressive than those with Lkb1 loss.

    “Loss of p53 or expression of either dominant negative or dominant gain-of-function Trp53 mutants also co-operate with oncogenic Kras to induce LUADs with shortened latency and increased metastatic proclivity, although these tumors are less aggressive than those with Lkb1 loss69–71, 84.”

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Authors
Johnson, L., Mercer, K., Greenbaum, D., Bronson, R. T., Crowley, D., Tuveson, D. A., & Jacks, T.
Affiliations
  • Massachusetts Institute of Technology (US)
  • Howard Hughes Medical Institute (US)
  • University of California, San Francisco (US)
  • Tufts University (US)
Corresponding author
Jacks, Tyler
Venue
Nature
Published
2001-04-26
Volume
410
Issue
6832
Pages
1111-1116
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1611210979
Cited by
1,179
References
32
Citations by year
2026: 17 · 2025: 33 · 2024: 36 · 2023: 47 · 2022: 30 · 2021: 57 · 2020: 47 · 2019: 49 · 2018: 41 · 2017: 54 · 2016: 46 · 2015: 52 · 2014: 52 · 2013: 59 · 2012: 61
FWCI
13.64
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health
  • National Cancer Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
K-ras oncogene, early-onset lung cancer, mouse tumor model, gene targeting, spontaneous recombination, germline mutations, lung adenocarcinoma
MeSH terms
Alleles, Animals, Cell Line, Disease Models, Animal, Gene Expression Regulation, Humans, Lung Neoplasms, Lymphoma, Mice, Inbred C57BL, Mutation, Papilloma, Genes, ras, Recombination, Genetic, Skin Neoplasms, Thymus Neoplasms, Genes, p53, Gene Targeting, Mice

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