A sphingomyelin-cholesterol complex regulates TLR4 activation in microglia
Cristina Anton-Barros, Beatriz Villarejo‐Zori, Sara Carmona-Lorenzo, Juan Manuel Barbero-Paredes, Daniel González-Díaz, Mónica Uceda, Anna Fernàndez‐Bernal, Manuel Portero‐Otín, Iván Ayuso‐Fernández, Cristina Galiana‐Roselló, Francisco García-García, Elisa Navarro, Jorge Montesinos
This study identifies cholesterol accessibility as a key driver of TLR4-dependent microglial activation, showing that SR-B1 mediates LPS-induced cholesterol uptake and regulates TLR4 signaling and inflammatory responses.
bioRxiv · Sep 14, 2026 · PreprintMolecular Biology