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Stroke, Vol 20, 947-951, Copyright © 1989 by American Heart Association

ARTICLES

Long-term culture of microvascular endothelial cells derived from Mongolian gerbil brain

T Minakawa
Department of Neurosurgery, Niigata University, Japan.

A method for long-term culture of microvascular endothelial cells from Mongolian gerbil brain and their biologic properties in vitro are described. Microvessels were isolated from Mongolian gerbil brain by a combination of enzymatic treatment, filtration, and centrifugation and were seeded onto a gelatin-coated dish. A morphologically homogeneous cell plaque showing a cobblestone appearance was removed 2 to 3 weeks after the seeding, and the cells were subcultured. The cultured cells grew as monolayers of flat polygonal cells and were carried for more than 20 passages without morphologic change. These cells synthesized prostacyclin and retained an endothelial specific marker, factor VIII- related antigen. When the cells were cultured in a collagen gel, they rapidly formed capillarylike tubular structures without endothelial cell growth factor or special substrata. Long-term culture of purified microvascular endothelial cells derived from Mongolian gerbil brain will facilitate the study of the function of microvascular endothelial cells in human brain under normal and pathologic conditions.