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. 2017 Jan;23(1):18-30.
doi: 10.1016/j.molmed.2016.11.004. Epub 2016 Dec 13.

Bacterial Biofilms in Colorectal Cancer Initiation and Progression

Shan Li  1 , Sergey R Konstantinov  1 , Ron Smits  1 , Maikel P Peppelenbosch  2
Affiliations

Bacterial Biofilms in Colorectal Cancer Initiation and Progression

Shan Li et al. Trends Mol Med. 2017 Jan.

Abstract

Intestinal microbiota have emerged as an important factor in colorectal cancer (CRC) initiation and progression. The currently prominent view on bacterial tumorigenesis is that CRC initiation is triggered by local mucosal colonization with specific pathogens (drivers), and that subsequent changes in the peritumoral environment allow colonization by opportunistic (passenger) microbes, further facilitating disease progression. Screening for CRC 'driver-passenger' microorganisms might thus allow early CRC diagnosis or preventive intervention. Such efforts are now being revolutionized by the notion that CRC initiation and progression require organization of bacterial communities into higher-order structures termed biofilms. We explore here the concept that a polymicrobial biofilm promotes pro-carcinogenic activities that may partially underlie progression along the adenoma-CRC axis.

Keywords: biofilm; colorectal cancer; microbiome; progression.; tumor initiation.

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