Diabetes increases SCO-spondin secretion but reduces Wnt5a interaction with ependymal cells, inducing ciliary stiffness and Frizzled-2 downregulation. - Cifuentes M; Ramírez E; Barahona MJ; Martínez F; de Lima I; Ferrada L; Bertinat R; Ávila F; Saldivia N; Pérez-Martín M; Oliver-Martin B; Ciano-Petersen N; et al. (Neurobiology of disease, 2026)