F-actin dynamics couples sphingolipid metabolism to epithelial barrier integrity in chronic colitis
Snezhanna S. Medvedeva, Julia V. Popova, Kseniya M. Achasova, Julia Kulygina, E. A. Nickelwart, Lyubov A. Suldina, Ksenia N. Morozova, M F Osipenko, Elena N. Kozhevnikova
This study identifies F-actin dynamics as a critical driver of epithelial barrier dysfunction in chronic colitis and shows ceramide metabolism regulates this process.
bioRxiv · Jan 23, 2026 · PreprintCell Biology