Astrocytes help speed up brain’s messages

Type of glial cell does more than feed and care for nerve cells

astrocytes

HELPING HAND  Nearby astrocytes help move electrical signals along nerve cells, a new study reveals. 

GerryShaw/Wikimedia Commons (CC BY-SA 3.0)

A type of brain cell formerly known for its supporting role has landed a glamorous new job. Astrocytes, a type of glial cell known to feed, clean and guide the growth of their flashier nerve cell neighbors, also help nerve cells send electrical transmissions, scientists report in the Aug.