Gut Microbiota Production of Phenylacetate Programs Vascular Niche Senescence and Drives Atherosclerosis
Khatereh Shabanian, Florentin Constancias, Benoît Pugin, Taraneh Shabanian, Aurélien Thomas, Sylvain Le Gludic, Marianne Rebecca Spalinger, Alessia Mongelli, Cristina Menni, Xinyuan Zhang, Lorenzo Da Dalt, Manuel Colucci, Héctor Rodríguez Cetina Biefer, Omer Dzemali, Matthias Hermann, , Seyed Soheil Saeedi Saravi
This study identifies phenylacetate (PAA), a gut microbiota metabolite, as a driver of vascular niche senescence and atherosclerosis in mice through IL-6-Notch1 signaling.
bioRxiv · Mar 2, 2026 · PreprintCell Biology