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dc.contributor.authorW. Puwarawuttipaniten_US
dc.contributor.authorA. D. Braggen_US
dc.contributor.authorD. S. Frydenlunden_US
dc.contributor.authorM. N. Mylonakouen_US
dc.contributor.authorE. A. Nagelhusen_US
dc.contributor.authorM. F. Petersen_US
dc.contributor.authorN. Kotchabhakdien_US
dc.contributor.authorM. E. Adamsen_US
dc.contributor.authorS. C. Froehneren_US
dc.contributor.authorF. M. Haugen_US
dc.contributor.authorO. P. Ottersenen_US
dc.contributor.authorM. Amiry-Moghaddamen_US
dc.contributor.otherUniversitetet i Osloen_US
dc.contributor.otherUniversity of Washington, Seattleen_US
dc.contributor.otherAstraZenecaen_US
dc.contributor.otherThe Institute of Science and Technology for Research and Development, Mahidol Universityen_US
dc.date.accessioned2018-08-20T07:22:46Z-
dc.date.available2018-08-20T07:22:46Z-
dc.date.issued2006-01-09en_US
dc.identifier.citationNeuroscience. Vol.137, No.1 (2006), 165-175en_US
dc.identifier.issn03064522en_US
dc.identifier.other2-s2.0-29744436258en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=29744436258&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/23889-
dc.description.abstractAquaporin-4 water channels and the inwardly rectifying potassium channels Kir4.1 are coexpressed in a highly polarized manner at the perivascular and subvitreal endfeet of retinal Müller cells and astrocytes. The present study was aimed at resolving the anchoring mechanisms responsible for the coexpression of these molecules. Both aquaporin-4 and Kir4.1 contain PDZ-domain binding motifs at their C-termini and it was recently shown that mice with targeted disruption of the dystrophin gene display altered distribution of aquaporin-4 and Kir4.1 in the retina. To test our hypothesis that α-syntrophin (a PDZ-domain containing protein of the dystrophin associated protein complex) is involved in aquaporin-4 and Kir4.1 anchoring in retinal cells, we studied the expression pattern of these molecules in α-syntrophin null mice. Judged by quantitative immunogold cytochemistry, deletion of the α-syntrophin gene causes a partial loss (by 70%) of aquaporin-4 labeling at astrocyte and Müller cell endfeet but no decrease in Kir4.1 labeling at these sites. These findings suggest that α-syntrophin is not involved in the anchoring of Kir4.1 and only partly responsible for the anchoring of aquaporin-4 in retinal endfeet membranes. Furthermore we show that wild type and α-syntrophin null mice exhibit strong β1 syntrophin labeling at perivascular and subvitreal Müller cell endfeet, raising the possibility that β1 syntrophin might be involved in the anchoring of Kir4.1 and the α-syntrophin independent pool of aquaporin-4. © 2005 Published by Elsevier Ltd on behalf of IBRO.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=29744436258&origin=inwarden_US
dc.subjectNeuroscienceen_US
dc.titleDifferential effect of α-syntrophin knockout on aquaporin-4 and Kir4.1 expression in retinal macroglial cells in miceen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1016/j.neuroscience.2005.08.051en_US
Appears in Collections:Scopus 2006-2010

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