Книга: Yan Zhang «Role of Gap Junction in Retina Circadian Rhythms»
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Производитель: "LAP Lambert Academic Publishing" The hypothesis was gap junction communication also plays a role in coordinating transcript rhythms of the circadian-regulated genes in chicken retina. To test this hypothesis, a chicken embryonic retinal explant culture was established. The robust, self-sustaining, and light-entrainable iodopsin and Arylalkylamine N-acetyltransferase (AANAT) mRNA rhythms were observed under different lighting conditions. This observation supports use of the explant cultures to test effects of gap junction blockers on gene expression rhythms in retina. The two reversible gap junction blockers, 18-alpha glycyrrhetnic acid-3-hemisuccinate and 18-beta glycyrrhetnic acid, were applied to the explant cultures. Both blockers produced a rapid and persistent reduction in iodopsin and AANAT mRNA levels. Upon removal of the blockers, the transcript rhythms of both genes reappeared within a 24 hrs. These data suggest that the change in iodopsin mRNA levels was not due to disruption of function or phase of the... ISBN:9783847331704 Издательство: "LAP Lambert Academic Publishing" (2012)
ISBN: 9783847331704 |
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