Metabolic and Microbiome Pathways

Metabolic and Microbiome Pathways represent the integrated biochemical communication network between the human host and the microorganisms inhabiting the gastrointestinal tract. These pathways involve the microbial fermentation of dietary fibers into short-chain fatty acids (SCFAs), the transformation of primary bile acids into secondary forms, and the synthesis of various vitamins and neurotransmitters (Nature Reviews Gastroenterology & Hepatology, 2014). These metabolites act as signaling molecules that bind to host receptors, such as G protein-coupled receptors (GPCRs) and nuclear receptors, to regulate glucose metabolism, lipid storage, and immune responses (Cell, 2012). Disruptions in these pathways, often termed dysbiosis, are strongly associated with the pathogenesis of metabolic syndrome, obesity, and type 2 diabetes (NIH, 2016). While Metabolic and Microbiome Pathways is a broad conceptual category rather than a single protein target, it encompasses numerous specific therapeutic nodes currently under investigation. Pharmacological interventions, such as metformin or specific probiotics, aim to restore metabolic balance by altering microbial populations or mimicking the beneficial effects of microbial metabolites. Understanding these integrated systems is crucial for developing precision medicine approaches to metabolic health and disease management.

Other names

Gut-microbiome-metabolic axisHost-microbiome metabolic interactionsMicrobiota-metabolic signaling

Modulation of microbial composition and the production of bioactive metabolites (e.g., short-chain fatty acids, secondary bile acids) to regulate host metabolic homeostasis (Nature Reviews Gastroenterology & Hepatology, 2014).