Increased light exposure alleviates one form of photoreceptor degeneration marked by elevated calcium in the dark.

BACKGROUND:In one group of gene mutations that cause photoreceptor degeneration in human patients, guanylyl cyclase is overactive in the dark. The ensuing excess opening of cGMP-gated cation channels causes intracellular calcium to rise to toxic levels. The Y99C mutation in guanylate cyclase-activat...

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Bibliographic Details
Main Authors: Xiaoqing Liu, Basil S Pawlyk, Michael Adamian, Elena V Olshevskaya, Alexander M Dizhoor, Clint L Makino, Tiansen Li
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2009-12-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC2793020?pdf=render