Sunday, October 19, 2025

Reduced Serotonin Reuptake Transporter (SERT) Function Causes Insulin Resistance and Hepatic Steatosis Independent of Food Intake

Authors: Xiaoning Chen, Kara J. Margolis, Michael D. Gershon, Gary J. Schwartz, Ji Y. Sze

DOI: 10.1371/journal.pone.0032511

Abstract Summary

SERT-deficient mice reveal a paradox: despite eating less and having high leptin levels, they develop obesity, diabetes, and fatty liver due to insulin resistance. The study shows serotonin transport separately controls appetite and metabolism, with implications for designing better antidepressants.

Why Brain? đź§ 

SERT-deficient mice develop insulin resistance and fatty liver despite eating less food, revealing that serotonin transporter affects metabolism independently of appetite, with implications for SSRI design.


The image is AI-generated for illustrative purposes only. Courtesy of Midjourney.

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