Sunday, October 19, 2025

Islet Endothelial Activation and Oxidative Stress Gene Expression Is Reduced by IL-1Ra Treatment in the Type 2 Diabetic GK Rat

Authors: Grégory Lacraz, Marie-Hélène Giroix, Nadim Kassis, Josiane Coulaud, Anne Galinier, Christophe Noll, Mélanie Cornut, Fabien Schmidlin, Jean-Louis Paul, Nathalie Janel, Jean-Claude Irminger, Micheline Kergoat, Bernard Portha, Marc Y. Donath, Jan A. Ehses, Françoise Homo-Delarche

DOI: 10.1371/journal.pone.0006963

Abstract Summary

Blocking inflammation with IL-1 receptor antagonist treatment improved pancreatic islet health in diabetic rats by reducing endothelial cell activation, oxidative stress, and fibrosis while enhancing blood vessel formation and blood sugar control. These findings suggest that islet inflammation, originating from blood vessel cells, contributes to beta-cell dysfunction in type 2 diabetes.

Why Brain? 🧠

IL-1 receptor antagonist treatment reduces islet inflammation and fibrosis in diabetic rats, suggesting that targeting endothelial cell activation could help preserve insulin-producing cells in type 2 diabetes.


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

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