Melanopsin phototransduction: Slowly emerging from the dark

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 incr...

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Main Authors: Hughes, S, Hankins, M, Foster, R, Peirson, SN
Format: Journal article
Language:English
Published: 2012
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author Hughes, S
Hankins, M
Foster, R
Peirson, SN
author_facet Hughes, S
Hankins, M
Foster, R
Peirson, SN
author_sort Hughes, S
collection OXFORD
description 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. © 2012 Elsevier B.V.
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spelling oxford-uuid:b9cba587-c076-4255-adee-aee447ffeede2022-03-27T05:05:28ZMelanopsin phototransduction: Slowly emerging from the darkJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b9cba587-c076-4255-adee-aee447ffeedeEnglishSymplectic Elements at Oxford2012Hughes, SHankins, MFoster, RPeirson, SNMelanopsin 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. © 2012 Elsevier B.V.
spellingShingle Hughes, S
Hankins, M
Foster, R
Peirson, SN
Melanopsin phototransduction: Slowly emerging from the dark
title Melanopsin phototransduction: Slowly emerging from the dark
title_full Melanopsin phototransduction: Slowly emerging from the dark
title_fullStr Melanopsin phototransduction: Slowly emerging from the dark
title_full_unstemmed Melanopsin phototransduction: Slowly emerging from the dark
title_short Melanopsin phototransduction: Slowly emerging from the dark
title_sort melanopsin phototransduction slowly emerging from the dark
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AT hankinsm melanopsinphototransductionslowlyemergingfromthedark
AT fosterr melanopsinphototransductionslowlyemergingfromthedark
AT peirsonsn melanopsinphototransductionslowlyemergingfromthedark