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Study: Resveratrol shows promise to protect hearing, cognition
Date:2/20/2013

atest study focuses the inflammatory process as it relates to aging, cognition and hearing loss.

It was designed to identify the potential protective mechanism of resveratrol following noise exposure by measuring its effect on cyclooxygenase-2 (or COX-2, key to the inflammatory process) protein expression and formation of reactive oxygen species, which plays an important role in cell signaling and homeostasis.

The study reveals that acoustic overstimulation causes a time-depended, up-regulation of COX-2 protein expression. And, resveratrol significantly reduces reactive oxygen species formation, inhibits COX-2 expression and reduces noise-induced hearing loss following noise exposure in rats.

"We've shown that by giving animals resveratrol, we can reduce the amount of hearing and cognitive decline," notes Dr. Seidman.

Ultimately, these findings suggest that resveratrol may exert a protective effect from noise-induced hearing loss by the inhibition of COX-2 expression and reactive oxygen species formation, although other mechanism may also be involved.


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Contact: Krista Hopson
khopson1@hfhs.org
313-874-7207
Henry Ford Health System
Source:Eurekalert

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