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J Theor Biol. 2013 Jan 21;317:20-9. doi: 10.1016/j.jtbi.2012.09.025. Epub 2012 Sep 28.

Mathematical model of colitis-associated colon cancer.

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1
Mathematical Biosciences Institute, The Ohio State University, Columbus, OH 43210, USA. lo.75@mbi.osu.edu

Abstract

As a result of chronic inflammation of their colon, patients with ulcerative colitis or Crohn's disease are at risk of developing colon cancer. In this paper, we consider the progression of colitis-associated colon cancer. Unlike normal colon mucosa, the inflammed colon mucosa undergoes genetic mutations, affecting, in particular, tumor suppressors TP53 and adenomatous polyposis coli (APC) gene. We develop a mathematical model that involves these genes, under chronic inflammation, as well as NF-κB, β-catenin, MUC1 and MUC2. The model demonstrates that increased level of cells with TP53 mutations results in abnormal growth and proliferation of the epithelium; further increase in the epithelium proliferation results from additional APC mutations. The model may serve as a conceptual framework for further data-based study of the early stage of colon cancer.

PMID:
23026764
DOI:
10.1016/j.jtbi.2012.09.025
[Indexed for MEDLINE]
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