During synaptic activation, the function of astrocyte endfeet depends on the vascular target: at the capillary, but not at the arteriole, a newly described P2X1R–phospholipase D2 pathway modulates prostaglandin E2 release and vessel dilation.
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Rungta, R., Charpak, S. Astrocyte endfeet march to the beat of different vessels. Nat Neurosci 19, 1539–1541 (2016). https://doi.org/10.1038/nn.4446
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DOI: https://doi.org/10.1038/nn.4446
