Cyclic nucleotide‐gated ion channels in sensory transduction
- 12 April 2006
- journal article
- review article
- Published by Wiley in FEBS Letters
- Vol. 580 (12) , 2853-2859
- https://doi.org/10.1016/j.febslet.2006.03.086
Abstract
Cyclic nucleotide-gated (CNG) channels, directly activated by the binding of cyclic nucleotides, were first discovered in retinal rods, cones and olfactory sensory neurons. In the visual and olfactory systems, CNG channels mediate sensory transduction by conducting cationic currents carried primarily by sodium and calcium ions. In olfactory transduction, calcium in combination with calmodulin exerts a negative feedback on CNG channels that is the main molecular mechanism responsible for fast adaptation in olfactory sensory neurons. Six mammalian CNG channel genes are known and some human visual disorders are caused by mutations in retinal rod or cone CNG genes.Keywords
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