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Acidosis Licenses the NLRP3 Inflammasome-Inhibiting Effects of Beta-Hydroxybutyrate and Short-Chain Carboxylic Acids

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By Madeleine M. Mank, Jennifer L. Ather, Kaitlyn A Zoller, Vivia Amanda Fastiggi
| biorxiv.org
Abstract NLRP3 inflammasome activation induces the cleavage and secretion of IL-1β and IL-18, and causes pyroptosis. Generated during times of energetic crisis (e.g., caloric insufficiency), the ketone body β-hydroxybutyrate (BHB) has been reported to inhibit NLRP3 inflammasome activation. However, the conditions under which BHB exerts this activity and whether other short-chain carboxylic acids (SCCAs) share this effect are unexplored.
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