Proteomic analyses of human islets reveal potential markers of β cell dysfunction during prediabetes. - Cefalo CMA; Mezza T; Quero G; Alfieri S; Lucchetti D; Colella F; Sgambato A; Qian WJ; Mari A; Pontecorvi A; Giaccari A; Kulkarni RN (JCI insight, 2026)