期刊
NEUROREPORT
卷 11, 期 7, 页码 1479-1482出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001756-200005150-00023
关键词
circadian rhythm; fluorescence; green fluorescent protein; PeriodI; reporter; suprachiasmatic nucleus; transgene
资金
- NIA NIH HHS [AG13426] Funding Source: Medline
- NIMH NIH HHS [MH60794] Funding Source: Medline
Endogenous cyclic activation of a specific set of genes, including Period1 (Per1), drive circadian rhythms in the suprachiasmatic nucleus (SCN), a biological clock nucleus of the brain. We have produced transgenic mice in which a degradable form of recombinant jellyfish green fluorescent protein (GFP) is driven by the mouse Period1 (mPer1) gene promoter. GFP protein is expressed in the circadian neural structures of the retina and SCN. Fluorescent signals are resolved at the level of individual neurons, mPer1-driven GFP fluorescence intensity reports light-induction and circadian rhythmicity in SCN neurons. This circadian reporter transgene captures the gene expression dynamics of living biological clock neurons and ensembles, providing a novel view of this brain function. NeuroReport 11:1479-1482 (C) 2000 Lippincott Williams & Wilkins.
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