Astrocyte-endothelial cell interaction in the aging brain
Aging is the major risk factor for many central nervous system (CNS) pathological conditions and diseases, such as Alzheimer’s Disease and stroke. In the aging brain, a dysfunctional or “leaky” blood-brain barrier (BBB) is considered a key trigger for neurodegeneration.
Within the neurovascular unit, the functional BBB comprises cell-cell interactions between endothelium, astrocytes, pericytes, and the vascular basement membrane and matrix. Astrocytes lie in close contact with endothelial cells through their endfeet and participate in BBB maintenance ...