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Targeting Gut Microbial Biofilms-A Key to Hinder Colon Carcinogenesis?


ABSTRACT: Colorectal cancer (CRC) is a global public health issue which poses a substantial humanistic and economic burden on patients, healthcare systems and society. In recent years, intestinal dysbiosis has been suggested to be involved in the pathogenesis of CRC, with specific pathogens exhibiting oncogenic potentials such as Fusobacterium nucleatum, Escherichia coli and enterotoxigenic Bacteroides fragilis having been found to contribute to CRC development. More recently, it has been shown that initiation of CRC development by these microorganisms requires the formation of biofilms. Gut microbial biofilm forms in the inner colonic mucus layer and is composed of polymicrobial communities. Biofilm results in the redistribution of colonic epithelial cell E-cadherin, increases permeability of the gut and causes a loss of function of the intestinal barrier, all of which enhance intestinal dysbiosis. This literature review aims to compile the various strategies that target these pathogenic biofilms and could potentially play a role in the prevention of CRC. We explore the potential use of natural products, silver nanoparticles, upconverting nanoparticles, thiosalicylate complexes, anti-rheumatic agent (Auranofin), probiotics and quorum-sensing inhibitors as strategies to hinder colon carcinogenesis via targeting colon-associated biofilms.

SUBMITTER: Chew SS 

PROVIDER: S-EPMC7465663 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Targeting Gut Microbial Biofilms-A Key to Hinder Colon Carcinogenesis?

Chew Siang-Siang SS   Tan Loh Teng-Hern LT   Law Jodi Woan-Fei JW   Pusparajah Priyia P   Goh Bey-Hing BH   Ab Mutalib Nurul Syakima NS   Lee Learn-Han LH  

Cancers 20200813 8


Colorectal cancer (CRC) is a global public health issue which poses a substantial humanistic and economic burden on patients, healthcare systems and society. In recent years, intestinal dysbiosis has been suggested to be involved in the pathogenesis of CRC, with specific pathogens exhibiting oncogenic potentials such as <i>Fusobacterium nucleatum</i>, <i>Escherichia coli</i> and enterotoxigenic <i>Bacteroides fragilis</i> having been found to contribute to CRC development. More recently, it has  ...[more]

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