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Biochim Biophys Acta. 2016 Mar;1862(3):472-82. doi: 10.1016/j.bbadis.2015.10.004. Epub 2015 Oct 8.

Glial influences on BBB functions and molecular players in immune cell trafficking.

Author information

1
Neuroimmunology Research Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada.
2
Neuroimmunology Research Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada; Multiple Sclerosis Clinic, Division of Neurology, CHUM-Notre-Dame Hospital, Montréal, Québec, Canada; Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montréal, Québec, Canada. Electronic address: a.prat@umontreal.ca.

Abstract

The blood-brain barrier (BBB) constitutes an elaborate structure formed by specialized capillary endothelial cells, which together with pericytes and perivascular glial cells regulates the exchanges between the central nervous system (CNS) and the periphery. Intricate interactions between the different cellular constituents of the BBB are crucial in establishing a functional BBB and maintaining the delicate homeostasis of the CNS microenvironment. In this review, we discuss the role of astrocytes and microglia in inducing and maintaining barrier properties under physiological conditions as well as their involvement during neuroinflammatory pathologies. This article is part of a Special Issue entitled: Neuro Inflammation edited by Helga E. de Vries and Markus Schwaninger.

KEYWORDS:

Astrocytes; Blood–brain barrier (BBB); Endothelial cells; Experimental autoimmune encephalomyelitis (EAE); Glial cells; IL-17; Microglia; Multiple sclerosis (MS); Neuroinflammation; Neurovascular unit (NVU); Tight junction molecules

PMID:
26454208
DOI:
10.1016/j.bbadis.2015.10.004
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