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Expression and Localization of Ryanodine Receptors in the Frog Semicircular Canal
Joint Authors
Tritto, Simona
Laforenza, Umberto
Botta, Laura
Perin, Paola
Source
Journal of Biomedicine and Biotechnology
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-01-19
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Several experiments suggest an important role for store-released Ca2+ in hair cell organs: drugs targeting IP3 and ryanodine (RyRs) receptors affect release from hair cells, and stores are thought to be involved in vesicle recycling at ribbon synapses.
In this work we investigated the semicircular canal distribution of RyRs by immunofluorescence, using slice preparations of the sensory epithelium (to distinguish cell types) and flat mounts of the simpler nonsensory regions.
RyRs were present in hair cells, mostly in supranuclear spots, but not in supporting cells; as regards nonsensory regions, they were also localized in dark cells and cells from the ductus.
No labeling was found in nerve terminals, although nerve branches could be observed in proximity to hair cell RyR spots.
The differential expression of RyR isoforms was studied by RT-PCR and immunoblotting, showing the presence of RyRα in both ampulla and canal arm and RyRβ in the ampulla only.
American Psychological Association (APA)
Perin, Paola& Botta, Laura& Tritto, Simona& Laforenza, Umberto. 2012. Expression and Localization of Ryanodine Receptors in the Frog Semicircular Canal. Journal of Biomedicine and Biotechnology،Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-469017
Modern Language Association (MLA)
Perin, Paola…[et al.]. Expression and Localization of Ryanodine Receptors in the Frog Semicircular Canal. Journal of Biomedicine and Biotechnology No. 2012 (2012), pp.1-6.
https://search.emarefa.net/detail/BIM-469017
American Medical Association (AMA)
Perin, Paola& Botta, Laura& Tritto, Simona& Laforenza, Umberto. Expression and Localization of Ryanodine Receptors in the Frog Semicircular Canal. Journal of Biomedicine and Biotechnology. 2012. Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-469017
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-469017