Endothelial Arf6 sustains electrical signaling and cerebral blood flow in mice through PIP 2 -dependent activation of Kir2.1 channels - Maria F. Noterman-Soulinthavong; María Sancho; Saúl Huerta de la Cruz; Michael Yarboro; Maurizio Mandalà; Masayo Koide; Nathalie Beaufort; Katalin Todorov-Völgyi; Emma Moreland; David Hill-Eubanks; Martin Dichgans; Mark T. Nelson (Proceedings of the National Academy of Sciences, 2026)