Cited by 187Telomeres, Telomerase, and SenescenceGenetic factors in colorectal cancerColorectal Cancer Treatments and Studies

Ink4a/Arf and Oncogene-Induced Senescence Prevent Tumor Progression during Alternative Colorectal Tumorigenesis

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Bennecke, Moritz, Kriegl, Lydia, Bajbouj, Monther, Retzlaff, Kristin, Robine, Sylvie, Jung, Andreas, Arkan, Melek C., Kirchner, Thomas +1 more·2010·Cancer Cell

Abstract

Colonic cancers with a serrated morphology have been proposed to comprise a molecularly distinct tumor entity following an alternative pathway of genetic alterations independently of APC mutations. We demonstrate that intestinal epithelial cell specific expression of oncogenic K-ras(G12D) in mice induces serrated hyperplasia, which is characterized by p16(ink4a) overexpression and induction of senescence. Deletion of Ink4a/Arf in K-ras(G12D) expressing mice prevents senescence and leads to invasive, metastasizing carcinomas with morphological and molecular alterations comparable to human KRAS mutated serrated tumors. Thus, we suggest that oncogenic K-ras represents a key player during an alternative, serrated pathway to colorectal cancer and hence propose RAS-RAF-MEK signaling apart from APC as an additional gatekeeper in colorectal tumor development.

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Crossref · 10.1016/j.ccr.2010.06.013

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Authors
Bennecke, M., Kriegl, L., Bajbouj, M., Retzlaff, K., Robine, S., Jung, A., Arkan, M. C., Kirchner, T., & Greten, F. R.
Affiliations
  • TUM Klinikum (DE)
  • Pathologisches Institut (DE)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Greten, Florian R.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2010-08
Volume
18
Issue
2
Pages
135-146
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2166189096
Cited by
186
References
48
Citations by year
2026: 3 · 2025: 7 · 2024: 12 · 2023: 12 · 2022: 10 · 2021: 5 · 2020: 7 · 2019: 14 · 2018: 9 · 2017: 12 · 2016: 9 · 2015: 14 · 2014: 16 · 2013: 16 · 2012: 17
FWCI
12.13
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
  • Health Sciences › Medicine › Oncology › Colorectal Cancer Treatments and Studies
Keywords
Ink4a/Arf, oncogene-induced senescence, KRAS G12D, colorectal carcinogenesis, p16INK4a, metastatic colorectal cancer, Ras/Raf/MEK signaling, gatekeeper genes, tumor progression
MeSH terms
Animals, Cell Division, Humans, Immunohistochemistry, Mice, Inbred C57BL, Mutation, Oncogenes, Genes, ras, Colorectal Neoplasms, Signal Transduction, Cellular Senescence, Genes, APC, Disease Progression, Cyclin-Dependent Kinase Inhibitor p16, Wnt Proteins, Mice

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