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Erythropoietin protects the blood-brain barrier from adverse permeability

Published in Blood Weekly, December 25th, 2003

Erythropoietin protects the blood-brain barrier from adverse permeability.

"The blood-brain barrier (BBB) ensures the homeostasis of the brain microenvironment, mostly through complex tight junctions between brain endothelial cells that prevent the passage of hydrophilic molecules from blood to brain and vice versa. A recent study has shown in vivo that systemic administration of erythropoietin (Epo) protects against brain injury," scientists in Spain say.

"Using an in vitro model of the bovine BBB, we observed that the expression of the Epo receptor is modulated by its ligand and hypoxic stimuli such as vascular endothelial growth factor (VEGF)...

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