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Gene Information

Gene symbol: PER3

Gene name: period circadian clock 3

HGNC ID: 8847

Related Genes

# Gene Symbol Number of hits
1 ARNTL 1 hits
2 CLOCK 1 hits
3 CRY1 1 hits
4 CRY2 1 hits
5 PER1 1 hits
6 PER2 1 hits

Related Sentences

# PMID Sentence
1 20205566 To address this issue, we investigated the associations of metabolic parameters and alcohol consumption with mRNA expression of clock genes (CLOCK, BMAL1, PER1, PER2, and PER3) in peripheral blood cells obtained from 29 healthy non-obese elderly men (age 51-78 yrs) who adhered to a regular sleep-wake routine, through a single time-of-day venous blood sampling at approximately 09:00 h.
2 20205566 There were significant correlations between (1) waist circumference and mRNA level of PER1 (r =-0.43), (2) plasma glucose concentration and PER2 (r =-0.50), (3) ethanol consumption and BMAL1 (r =-0.43), and (4) serum gamma-GTP concentration (a sensitive marker of alcohol consumption) and PER2 (r =-0.40).
3 20852621 Elevations in circulating glucagon and epinephrine, two hormones that activate hepatic gluconeogenesis, trigger the cAMP-mediated phosphorylation of cAMP response element-binding protein (Creb) and dephosphorylation of the Creb-regulated transcription coactivator-2 (Crtc2)--two key transcriptional regulators of this process.
4 20852621 Circadian control of gene expression is achieved by two transcriptional activators, Clock and Bmal1, which stimulate cryptochrome (Cry1 and Cry2) and Period (Per1, Per2 and Per3) repressors that feed back on Clock-Bmal1 activity.
5 20852621 Here we show that Creb activity during fasting is modulated by Cry1 and Cry2, which are rhythmically expressed in the liver.
6 20852621 Cry1 expression was elevated during the night-day transition, when it reduced fasting gluconeogenic gene expression by blocking glucagon-mediated increases in intracellular cAMP concentrations and in the protein kinase A-mediated phosphorylation of Creb.
7 20852621 In biochemical reconstitution studies, we found that Cry1 inhibited accumulation of cAMP in response to G protein-coupled receptor (GPCR) activation but not to forskolin, a direct activator of adenyl cyclase.
8 20852621 As hepatic overexpression of Cry1 lowered blood glucose concentrations and improved insulin sensitivity in insulin-resistant db/db mice, our results suggest that compounds that enhance cryptochrome activity may provide therapeutic benefit to individuals with type 2 diabetes.