Getting off tract: contributions of intraorgan microbiota to cancer in extraintestinal organs

Scott C. Thomas, George Miller, Xin Li, Deepak Saxena

Research output: Contribution to journalReview articlepeer-review

Abstract

The gastrointestinal ecosystem has received the most attention when examining the contributions of the human microbiome to health and disease. This concentration of effort is logical due to the overwhelming abundance of microbes in the gut coupled with the relative ease of sampling compared with other organs. However, the intestines are intimately connected to multiple extraintestinal organs, providing an opportunity for homeostatic microbial colonisation and pathogenesis in organs traditionally thought to be sterile or only transiently harbouring microbiota. These habitats are challenging to sample, and their low microbial biomass among large amounts of host tissue can make study challenging. Nevertheless, recent findings have shown that many extraintestinal organs that are intimately linked to the gut harbour stable microbiomes, which are colonised from the gut in selective manners and have highlighted not just the influence of the bacteriome but that of the mycobiome and virome on oncogenesis and health.

Original languageEnglish (US)
Pages (from-to)175-185
Number of pages11
JournalGut
Volume73
Issue number1
DOIs
StatePublished - Nov 2 2023

ASJC Scopus subject areas

  • Gastroenterology

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