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Influence of cerebral blood vessel movements on the position of perivascular synapses

AutorUrrecha, M.; Romero, I.; DeFelipe, Javier ; Merchán-Pérez, Ángel
Fecha de publicación2017
EditorPublic Library of Science
CitaciónPLoS ONE 12 (2017)
ResumenSynaptic activity is regulated and limited by blood flow, which is controlled by blood vessel dilation and contraction. Traditionally, the study of neurovascular coupling has mainly focused on energy consumption and oxygen delivery. However, the mechanical changes that blood vessel movements induce in the surrounding tissue have not been considered. We have modeled the mechanical changes that movements of blood vessels cause in neighboring synapses. Our simulations indicate that synaptic densities increase or decrease during vascular dilation and contraction, respectively, near the blood vessel walls. This phenomenon may alter the concentration of neurotransmitters and vasoactive substances in the immediate vicinity of the vessel wall and thus may have an influence on local blood flow.
URIhttp://hdl.handle.net/10261/160844
Identificadoresdoi: 10.1371/journal.pone.0172368
issn: 1932-6203
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