The gut microbiome regulates host glucose homeostasis via peripheral serotonin

The gut microbiome is an established regulator of aspects of host metabolism, such as glucose handling. Despite the known impacts of the gut microbiota on host glucose homeostasis, the underlying mechanisms are unknown. The gut microbiome is also a potent mediator of gut-derived serotonin synthesis,...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2019-10, Vol.116 (40), p.19802-19804
Hauptverfasser: Martin, Alyce M., Yabut, Julian M., Choo, Jocelyn M., Page, Amanda J., Sun, Emily W., Jessup, Claire F., Wesselingh, Steve L., Khan, Waliul I., Rogers, Geraint B., Steinberg, Gregory R., Keating, Damien J.
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container_end_page 19804
container_issue 40
container_start_page 19802
container_title Proceedings of the National Academy of Sciences - PNAS
container_volume 116
creator Martin, Alyce M.
Yabut, Julian M.
Choo, Jocelyn M.
Page, Amanda J.
Sun, Emily W.
Jessup, Claire F.
Wesselingh, Steve L.
Khan, Waliul I.
Rogers, Geraint B.
Steinberg, Gregory R.
Keating, Damien J.
description The gut microbiome is an established regulator of aspects of host metabolism, such as glucose handling. Despite the known impacts of the gut microbiota on host glucose homeostasis, the underlying mechanisms are unknown. The gut microbiome is also a potent mediator of gut-derived serotonin synthesis, and this peripheral source of serotonin is itself a regulator of glucose homeostasis. Here, we determined whether the gut microbiome influences glucose homeostasis through effects on gut-derived serotonin. Using both pharmacological inhibition and genetic deletion of gut-derived serotonin synthesis, we find that the improvements in host glucose handling caused by antibiotic-induced changes in microbiota composition are dependent on the synthesis of peripheral serotonin.
doi_str_mv 10.1073/pnas.1909311116
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subjects Animals
Anti-Bacterial Agents - pharmacology
Antibiotics
Area Under Curve
Biological Sciences
Blood Glucose - metabolism
BRIEF REPORTS
Gastrointestinal Microbiome
Gene Deletion
Glucose
Glucose - metabolism
Glucose Tolerance Test
Homeostasis
Intestinal microflora
Male
Mice
Mice, Inbred C57BL
Microbiomes
Microbiota
Random Allocation
Serotonin
Serotonin - physiology
Synthesis
title The gut microbiome regulates host glucose homeostasis via peripheral serotonin
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