Endothelin modulates the circadian expression of non-visual opsins

Highlights • Xenopus melanophore response to ET is enhanced after blue-light pulse. • Blue-excited opsin, melanopsin, shows circadian oscillation under light–dark cycles. • Endothelin modulates mRNA levels of melanopsins and endothelin receptor. • Endothelin effect is dependent on concentration, lig...

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Veröffentlicht in:	General and comparative endocrinology 2014-09, Vol.205, p.279-286
Hauptverfasser:	Moraes, Maria Nathália de Carvalho Magalhães, Lima, Leonardo Henrique Ribeiro Graciani de, Ramos, Bruno Cesar Ribeiro, Poletini, Maristela de Oliveira, Castrucci, Ana Maria de Lauro
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Circadian Rhythm - drug effects Circadian Rhythm - physiology Circadian Rhythm - radiation effects Circadian rhythms Endocrinology & Metabolism Endothelin Endothelins - pharmacology Light Melanins - metabolism Melanophores Melanophores - cytology Melanophores - drug effects Melanophores - metabolism Melanophores - radiation effects Melanopsins Photoperiod Receptors, Endothelin - genetics Receptors, Endothelin - metabolism Rod Opsins - metabolism Xenopus laevis
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Zusammenfassung:	Highlights • Xenopus melanophore response to ET is enhanced after blue-light pulse. • Blue-excited opsin, melanopsin, shows circadian oscillation under light–dark cycles. • Endothelin modulates mRNA levels of melanopsins and endothelin receptor. • Endothelin effect is dependent on concentration, light condition and the time of the day. • Hormonal action seems to depend on the phase synchrony of the melanophore clock machinery.
ISSN:	0016-6480 1095-6840
DOI:	10.1016/j.ygcen.2014.04.019