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This research investigates how circadian rhythms and glucocorticoids regulate Rev-erbα expression in liver cells.

October 1, 2000EndocrinologyOpen Access

Circadian and Glucocorticoid Regulation of Rev-erbα Expression in Liver¹

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This research investigates how circadian rhythms and glucocorticoids regulate Rev-erbα expression in liver cells.
Examined Rev-erbα mRNA levels in primary cultures of rat hepatocytes.
Tested the effects of dexamethasone on Rev-erbα expression in hepatocytes.
Utilized glucocorticoid receptor antagonists and transcription inhibitors to assess regulatory mechanisms.
Dexamethasone treatment decreased Rev-erbα mRNA levels by 70% after 6 hours (P<0.001).
Rev-erbα expression was inhibited in a dose-dependent manner by dexamethasone.
Glucocorticoid receptor antagonist RU486 prevented the decrease in Rev-erbα levels by dexamethasone.

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Randomized trial shows glucocorticoids regulate Rev-erbα expression in liver cells, indicating circadian influences.

Pineda‐Torra et al. (2000) studied this question.

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