Tanycyte-derived lactate activates astrocytic HCAR1 to modulate glutamatergic signaling and POMC neuron excitability - Sergio López; Roberto Elizondo-Vega; Vinka Azócar; Vania Sepúlveda; Valentina Opazo-Mellado; Walter Vásquez; Juan C. Sáez; Ricardo C. Araneda; María de los Ángeles García-Robles (Proceedings of the National Academy of Sciences, 2026)