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Gamma-Glutamyl Transpeptidase in Isolated Brain Endothelial Cells: Induction by Glial Cells in Vitro

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Journal Science
Specialty Science
Date 1980 Feb 8
PMID 6101511
Citations 71
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Abstract

The endothelia of microvessels isolated from mouse brain by mechanical means are rich in gamma-glutamyl transpeptidase; however, the enzyme often disappears when the cells migrate or proliferate from the microvessel isolates. In an endothelial cell line derived from similar isolates and negative for gamma-glutamyl transpeptidase, the enzyme could be induced in the endothelial cells when they were cocultured with glial cells. Thus there may be a requirement for continuous induction of gamma-glutamyl transpeptidase in brain microvessels by adjacent glial cells.

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