Astrocytes function in matching blood flow to metabolic activity. News Physiol Sci 2002 Feb;17:27-31
Date
02/01/2002Pubmed ID
11821533DOI
10.1152/physiologyonline.2002.17.1.27Scopus ID
2-s2.0-0036462415 (requires institutional sign-in at Scopus site) 107 CitationsAbstract
The brain possesses an intrinsic regulatory mechanism to maintain an adequate supply of O(2) and nutrition despite local increases in neuronal activity. Brain astrocytes function as an intermediary cell type by responding to glutamate released from activated neurons, and they couple cerebral blood flow by producing cytochrome P-450-derived epoxyeicosatrienoic acids that induce vasodilation and increase capillary density.
Author List
Harder DR, Zhang C, Gebremedhin DMESH terms used to index this publication - Major topics in bold
AnimalsAstrocytes
Brain
Capillaries
Cerebrovascular Circulation
Humans
Hyperemia