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. 2015 Feb 2;9:9. doi: 10.3389/fncel.2015.00009

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Copyright © 2015 Boulay, Saubaméa, Cisternino, Mignon, Mazeraud, Jourdren, Blugeon and Cohen-Salmon.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Ultrastructure of the gliovascular unit in absence of Cx30. Representative images of the gliovascular unit ultrastructure in 3-month-old Cx30^+/+ (A,C,E,G) and Cx30^Δ/Δ (B,D,F,H) mice (n = 4) within a post-capillary venule (A,B) a capillary (C,D) and an arteriole (E,F,G,H) showing astroglial perivascular endfeet (a), endothelial cells (e) with TJs (black arrowheads), vascular smooth muscle cells (VSMCs) (m) fibrocytes (f) and pericytes (p). Fragments of amorphous elastic material in basal lamina (white arrowheads) and junctional contacts between endothelial and smooth muscle cells (white arrows) are found in arterioles. Scale bars 500 nm.