Document Detail

Melanopsin phototransduction: Slowly emerging from the dark.
MedLine Citation:
PMID:  22877657     Owner:  NLM     Status:  In-Data-Review    
Melanopsin expressing retinal ganglion cells represent a third class of ocular photoreceptors and are involved in irradiance detection and non-image-forming responses to light including pupil constriction, circadian entrainment, and regulation of sleep. Over recent years, there has been a rapid increase in our understanding of the anatomical variety of pRGC subtypes, the regions of the brain which they innervate, and the behavioral responses of melanopsin-based light detection. However, by contrast, our understanding of the intracellular signaling cascade initiated following activation of melanopsin has, until recently, remained poorly characterized. This chapter focus on the melanopsin signaling pathway, detailing the cellular mechanisms of phototransduction that occur within pRGCs, highlighting recent advances, but also the gaps in our understanding of this important light detecting system.
Steven Hughes; Mark W Hankins; Russell G Foster; Stuart N Peirson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Progress in brain research     Volume:  199     ISSN:  1875-7855     ISO Abbreviation:  Prog. Brain Res.     Publication Date:  2012  
Date Detail:
Created Date:  2012-08-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376441     Medline TA:  Prog Brain Res     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  19-40     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
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