Comparative Study
[Participation of cyclic nucleotides and calcium in regulation of the sensitivity of vertebrate photoreceptors]
[Article in
Russian]
- PMID: 2412901
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Comparative Study
[Participation of cyclic nucleotides and calcium in regulation of the sensitivity of vertebrate photoreceptors]
[Article in
Russian]
Fiziol Zh SSSR Im I M Sechenova.
1985 Jul.
Abstract
Effects of PDE inhibitor IBMX and of Ca2+ decrease upon sensitivity of rods and cones were compared. IBMX greatly increases the sensitivity of rods but not that of cones. Ca2+ does not significantly affect the sensitivity of both rods and cones. Possible role of cyclic nucleotides as feed--back regulator in mechanisms of photoreception is discussed.
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