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Conference Paper: Non-melanopsin-expressing SCN-projecting ganglion cells in the golden hamster retina

TitleNon-melanopsin-expressing SCN-projecting ganglion cells in the golden hamster retina
Authors
Issue Date2005
PublisherSociety for Neuroscience
Citation
Society for Neuroscience Annual Meeting, Washington, DC, 12-16 November 2005, Program no. 976.4 How to Cite?
AbstractRetinal ganglion cells (RGCs) expressing melanopsin have been described in different species. There is evidence that not all suprachiasmatic nucleus (SCN) projecting RGCs express melanopsin. The golden hamster was investigated to determine morphological characteristics of non-melanopsin expressing RGCs projecting to SCN. SCN-projecting RGCs were retrogradely labeled with fluorescent microspheres (Molecular Probes) and intracellularly injected with Lucifer yellow (Sigma-Aldrich). Melanopsin expressing RGCs were labeled with antiserum UF007 (a generous gift from Dr. Ignacio Provencio) that was generated in rabbit against mouse melanopsin peptide. Our preliminary data show that approximately 15% of intracellularly injected SCN-projecting RGCs did not express melanopsin. Those non-melanopsin expressing RGCs distributed across retina. Some of them had displaced somas in the inner nuclear layer. All of them exhibited large but sparse dendritic field. Most RGCs had 2-4 primary dendrites. Each primary dendrite branched for 3-5 times. Both uni- and bi-stratified ramification patterns were observed, suggesting both ON and OFF sublaminae provide inputs to non-melanopsin expressing RGCs in the golden hamster. Supported by The University of Hong Kong, The research grant council of Hong Kong (K.-F. So)
Persistent Identifierhttp://hdl.handle.net/10722/94983

 

DC FieldValueLanguage
dc.contributor.authorPu, Men_HK
dc.contributor.authorChen, Ben_HK
dc.contributor.authorTay, DKCen_HK
dc.contributor.authorYu, Een_HK
dc.contributor.authorSo, KFen_HK
dc.date.accessioned2010-09-25T15:47:59Z-
dc.date.available2010-09-25T15:47:59Z-
dc.date.issued2005en_HK
dc.identifier.citationSociety for Neuroscience Annual Meeting, Washington, DC, 12-16 November 2005, Program no. 976.4en_HK
dc.identifier.urihttp://hdl.handle.net/10722/94983-
dc.description.abstractRetinal ganglion cells (RGCs) expressing melanopsin have been described in different species. There is evidence that not all suprachiasmatic nucleus (SCN) projecting RGCs express melanopsin. The golden hamster was investigated to determine morphological characteristics of non-melanopsin expressing RGCs projecting to SCN. SCN-projecting RGCs were retrogradely labeled with fluorescent microspheres (Molecular Probes) and intracellularly injected with Lucifer yellow (Sigma-Aldrich). Melanopsin expressing RGCs were labeled with antiserum UF007 (a generous gift from Dr. Ignacio Provencio) that was generated in rabbit against mouse melanopsin peptide. Our preliminary data show that approximately 15% of intracellularly injected SCN-projecting RGCs did not express melanopsin. Those non-melanopsin expressing RGCs distributed across retina. Some of them had displaced somas in the inner nuclear layer. All of them exhibited large but sparse dendritic field. Most RGCs had 2-4 primary dendrites. Each primary dendrite branched for 3-5 times. Both uni- and bi-stratified ramification patterns were observed, suggesting both ON and OFF sublaminae provide inputs to non-melanopsin expressing RGCs in the golden hamster. Supported by The University of Hong Kong, The research grant council of Hong Kong (K.-F. So)-
dc.languageengen_HK
dc.publisherSociety for Neuroscience-
dc.relation.ispartofSociety for Neuroscience Annual Meetingen_HK
dc.titleNon-melanopsin-expressing SCN-projecting ganglion cells in the golden hamster retinaen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailTay, DKC: dkctay@hkucc.hku.hken_HK
dc.identifier.emailSo, KF: hrmaskf@hkucc.hku.hken_HK
dc.identifier.authorityTay, DKC=rp00336en_HK
dc.identifier.authoritySo, KF=rp00329en_HK
dc.identifier.hkuros112407en_HK

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