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Aug 9, 2018

Glucose and the Gut Microbiome

Posted by in category: biotech/medical

Depleting gut microbiome in mice leads to better insulin sensitivity.


Somewhat serendipitously, Salk Institute researchers discovered that depleting the microbiomes of mice causes the animals to have lower levels of blood glucose as well as improved insulin sensitivity [1].

Abstract

Antibiotic-induced microbiome depletion (AIMD) has been used frequently to study the role of the gut microbiome in pathological conditions. However, unlike germ-free mice, the effects of AIMD on host metabolism remain incompletely understood. Here we show the effects of AIMD to elucidate its effects on gut homeostasis, luminal signaling, and metabolism. We demonstrate that AIMD, which decreases luminal Firmicutes and Bacteroidetes species, decreases baseline serum glucose levels, reduces glucose surge in a tolerance test, and improves insulin sensitivity without altering adiposity.

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