Gate for photic resetting of intrinsic rhythmicity of the rat suprachiasmatic nucleus under a long photoperiod
Language English Country Ireland Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
10686398
DOI
10.1016/s0304-3940(00)00773-4
PII: S0304394000007734
Knihovny.cz E-resources
- MeSH
- Analysis of Variance MeSH
- Circadian Rhythm physiology radiation effects MeSH
- Photoperiod * MeSH
- Immunohistochemistry MeSH
- Rats MeSH
- RNA, Messenger genetics metabolism MeSH
- Suprachiasmatic Nucleus metabolism radiation effects MeSH
- Rats, Wistar MeSH
- Proto-Oncogene Proteins c-fos genetics metabolism MeSH
- Gene Expression Regulation radiation effects MeSH
- Light MeSH
- Animals MeSH
- Check Tag
- Rats MeSH
- Male MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- RNA, Messenger MeSH
- Proto-Oncogene Proteins c-fos MeSH
In rats maintained under a long photoperiod and then released into darkness, the time interval enabling photic resetting of the intrinsic rhythmicity of the suprachiasmatic nucleus (SCN), namely of the rhythm in the light-induced c-Fos production, was similar to the previously reported time interval enabling high c-fos photoinduction in the SCN (Sumová, A., Trávnícková, Z., Peters, R., Schwartz, W.J. and Illnerová, H., The rat suprachiasmatic nucleus is a clock for all seasons. Proc. Natl. Acad. Sci. USA, 92 (1995) 7754-7758). The data indicate that both intervals may represent the same window for the photic sensitivity of the SCN pacemaking program.
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