WASF2 and permanent neonatal diabetes mellitus-pancreatic and cerebellar agenesis syndrome: For example, exosomal mRNA Wiskott-Aldrich syndrome protein Verprolin-homologous protein 2 (WASF2) provided excellent accuracy for distinguishing PaCa patients from healthy individuals, and distinguishing PaCa patients between stage 0/I/IIA and stage IIB/III/IV [139].