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. 2003 Oct 8;23(27):9254–9262. doi: 10.1523/JNEUROSCI.23-27-09254.2003

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Copyright © 2003 Society for Neuroscience 0270-6474/03/239254-09.00/0

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Figure 6. — P2Y(4) immunolabeling is strongly coexpressed with GFAP in astrocytic processes. A, Double immunolabeling against P2Y(4) (red) and GFAP (white) in cortex. Penetrating larger GFAP+ vessels display intense labeling against the P2Y(4) receptor. B, Transverse section of larger vessels displaying colocalization of the P2Y(4) receptors and GFAP. C, High magnification of B. D, E, Double immunolabeling against P2Y(4) and RECA. The P2Y(4) immunolabeling is localized outside the endothelial cell layer consistent with its expression in astrocytes. Scale bar: A, 100 μm; B, 15 μm; C, E, 10 μm; D, 30 μm.