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J Cell Biol. 1991 Dec;115(6):1725-35.

A cell culture model of the blood-brain barrier.

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  • 1Athena Neurosciences, Inc., South San Francisco, California 94080.

Abstract

Endothelial cells that make up brain capillaries and constitute the blood-brain barrier become different from peripheral endothelial cells in response to inductive factors found in the nervous system. We have established a cell culture model of the blood-brain barrier by treating brain endothelial cells with a combination of astrocyte-conditioned medium and agents that elevate intracellular cAMP. These cells form high resistance tight junctions and exhibit low rates of paracellular leakage and fluid-phase endocytosis. They also undergo a dramatic structural reorganization as they form tight junctions. Results from these studies suggest modes of manipulating the permeability of the blood-brain barrier, potentially providing the basis for increasing the penetration of drugs into the central nervous system.

PMID:
1661734
[PubMed - indexed for MEDLINE]
PMCID:
PMC2289219
Free PMC Article
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