Related Experiment Video
Updated: Jan 1, 2026

10:10
Analyzing the Size, Shape, and Directionality of Networks of Coupled Astrocytes
Published on: October 4, 2018
9.3K
Regulation of rhythmic behaviors by astrocytes
F Rob Jackson1, Samantha You1, Lauren B Crowe1
1Department of Neuroscience, Tufts University School of Medicine, Boston, Massachusetts.
Wiley Interdisciplinary Reviews. Developmental Biology
|December 17, 2019
Summary
Astrocytes, a type of glial cell, possess internal circadian clocks that regulate rhythmic behaviors and sleep. Research in fruit flies and mice highlights their crucial role in controlling these biological rhythms.
Area of Science:
- Neuroscience
- Chronobiology
- Cell Biology
Background:
- Glial astrocytes are key regulators of nervous system development, physiology, and behavior across species.
- Astrocytes in the adult brain exhibit conserved circadian clocks.
- Previous studies indicate glial cell involvement in regulating circadian behavior and sleep.
Purpose of the Study:
- To review recent findings on the role of astrocytes and their endogenous circadian clocks in controlling rhythmic behavior.
- To highlight research utilizing Drosophila and mouse models.
Main Methods:
- Review of recent scientific literature.
- Comparative analysis of astrocyte function in Drosophila and mouse models.
Main Results:
- Astrocytes and their intrinsic circadian clocks are integral to the control of rhythmic behaviors.
- Evidence from both invertebrate (Drosophila) and vertebrate (mouse) models supports this conclusion.
Conclusions:
- Astrocytes play a significant role in the regulation of circadian rhythms and sleep.
- The function of endogenous astrocyte circadian clocks is conserved across diverse species.
More Related Videos
Related Concept Videos
Circadian Rhythms and Gene Regulation
4.5K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.5K
Neural Regulation
43.0K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
43.0K

