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Identification of shared and disease-specific host gene-microbiome associations across human diseases using multi-omic integration.


ABSTRACT: While gut microbiome and host gene regulation independently contribute to gastrointestinal disorders, it is unclear how the two may interact to influence host pathophysiology. Here we developed a machine learning-based framework to jointly analyse paired host transcriptomic (n = 208) and gut microbiome (n = 208) profiles from colonic mucosal samples of patients with colorectal cancer, inflammatory bowel disease and irritable bowel syndrome. We identified associations between gut microbes and host genes that depict shared as well as disease-specific patterns. We found that a common set of host genes and pathways implicated in gastrointestinal inflammation, gut barrier protection and energy metabolism are associated with disease-specific gut microbes. Additionally, we also found that mucosal gut microbes that have been implicated in all three diseases, such as Streptococcus, are associated with different host pathways in each disease, suggesting that similar microbes can affect host pathophysiology in a disease-specific manner through regulation of different host genes. Our framework can be applied to other diseases for the identification of host gene-microbiome associations that may influence disease outcomes.

SUBMITTER: Priya S 

PROVIDER: S-EPMC9159953 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Identification of shared and disease-specific host gene-microbiome associations across human diseases using multi-omic integration.

Priya Sambhawa S   Burns Michael B MB   Ward Tonya T   Mars Ruben A T RAT   Adamowicz Beth B   Lock Eric F EF   Kashyap Purna C PC   Knights Dan D   Blekhman Ran R  

Nature microbiology 20220516 6


While gut microbiome and host gene regulation independently contribute to gastrointestinal disorders, it is unclear how the two may interact to influence host pathophysiology. Here we developed a machine learning-based framework to jointly analyse paired host transcriptomic (n = 208) and gut microbiome (n = 208) profiles from colonic mucosal samples of patients with colorectal cancer, inflammatory bowel disease and irritable bowel syndrome. We identified associations between gut microbes and hos  ...[more]

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