Molecular mechanisms in colitis-associated colorectal cancer

Sustained chronic inflammation of the large intestine leads to tissue damage and repair, which is associated with an increased incidence of colitis-associated colorectal cancer (CAC). The genetic makeup of CAC is somewhat similar to sporadic colorectal carcinoma (sCRC), but there are differences in...

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Veröffentlicht in:Oncogenesis (New York, NY) Jg. 12; H. 1; S. 48 - 11
Hauptverfasser: Zhou, Royce W., Harpaz, Noam, Itzkowitz, Steven H., Parsons, Ramon E.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 26.10.2023
Nature Publishing Group
Schlagworte:
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Apoptosis
Carcinogenesis
Cell Biology
Colitis
Colorectal cancer
Colorectal carcinoma
Epigenetics
Human Genetics
Inflammatory bowel disease
Inflammatory bowel diseases
Internal Medicine
Large intestine
Medicine
Medicine & Public Health
Molecular modelling
Mutagenesis
Oncology
Review
Review Article
Tumorigenesis
ISSN:2157-9024, 2157-9024
Online-Zugang:Volltext
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Zusammenfassung:Sustained chronic inflammation of the large intestine leads to tissue damage and repair, which is associated with an increased incidence of colitis-associated colorectal cancer (CAC). The genetic makeup of CAC is somewhat similar to sporadic colorectal carcinoma (sCRC), but there are differences in the sequence and timing of alterations in the carcinogenesis process. Several models have been developed to explain the development of CAC, particularly the “field cancerization” model, which proposes that chronic inflammation accelerates mutagenesis and selects for the clonal expansion of phenotypically normal, pro-tumorigenic cells. In contrast, the “Big Bang” model posits that tumorigenic clones with multiple driver gene mutations emerge spontaneously. The details of CAC tumorigenesis—and how they differ from sCRC—are not yet fully understood. In this Review, we discuss recent genetic, epigenetic, and environmental findings related to CAC pathogenesis in the past five years, with a focus on unbiased, high-resolution genetic profiling of non-dysplastic field cancerization in the context of inflammatory bowel disease (IBD).
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ISSN:2157-9024
2157-9024
DOI:10.1038/s41389-023-00492-0