Facts about Circadian Rhythm Regulation

1. 05

   Negative feedback loops involving the CLOCK and BMAL1 proteins drive circadian rhythm regulation by cycling through approximately 24-hour molecular oscillations in nearly every cell.

   Circadian Rhythm RegulationJun 6sharebiologygeneticsneuroscience
2. 04

   Disruption of circadian rhythm regulation, such as from shift work or jet lag, is associated with increased risk of metabolic disorders, cardiovascular disease, and certain cancers.

   Circadian Rhythm RegulationJun 6sharebiologyhealthsleep
3. 03

   Core body temperature follows a circadian rhythm, dropping to its lowest point in the early morning hours before waking, which promotes sleep.

   Circadian Rhythm RegulationJun 6sharebiologysleepphysiology
4. 02

   Light exposure resets circadian rhythm regulation by suppressing melatonin production in the pineal gland, a process mediated by melanopsin-containing retinal ganglion cells.

   Circadian Rhythm RegulationJun 6sharebiologyneurosciencehormones
5. 01

   The suprachiasmatic nucleus in the hypothalamus serves as the master clock governing circadian rhythm regulation in mammals.

   Circadian Rhythm RegulationJun 6sharebiologyneurosciencesleep