A low-level Cdkn1c/p57kip2 expression in spinal progenitors drives the transition from proliferative to neurogenic modes of division. - Mida B; Lehmann N; Goïame R; Coulpier F; Bouhali K; Barbosa I; le Hir H; Thomas-Chollier M; Fischer E; Morin X (EMBO reports, 2026)