Butyrate prevents muscle atrophy after sciatic nerve crush

Muscle & Nerve
Michael E WalshHolly Van Remmen

Abstract

Histone deacetylases (HDACs) have been implicated in neurogenic muscle atrophy, but the mechanisms by which HDAC inhibitors might have beneficial effects are not defined. We used sciatic nerve crush to determine the effect of butyrate on denervation-induced gene expression and oxidative stress. Butyrate treatment initiated 3 weeks before injury and continued 1 week after injury increases histone acetylation and reduces muscle atrophy after nerve crush. Butyrate delivered only after nerve crush similarly prevented muscle atrophy. Butyrate had no effect on the increase in histone deacetylase 4 (HDAC4) protein levels following nerve crush but prevented the increase in expression of myogenin, MuRF1, and atrogin-1. Butyrate did not affect mitochondrial reactive oxygen species production, but it increased antioxidant enzyme activity, reduced proteasome activity, and reduced oxidative damage following nerve injury. These data suggest that HDAC inhibitors are promising pharmacological agents for treating neurogenic muscle atrophy. Muscle Nerve 52: 859-868, 2015.

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Citations

Apr 29, 2015·Redox Biology·Kavithalakshmi SataranatarajanHolly Van Remmen
Jan 10, 2019·American Journal of Physiology. Cell Physiology·Haiming Liu, LaDora V Thompson
Dec 31, 2016·Nutrition and Healthy Aging·Michael E Walsh, Holly Van Remmen
Apr 29, 2016·American Journal of Physiology. Cell Physiology·Rulin SunHongmei Yang

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