Transcription factor JunD, deprived of menin, switches from growth suppressor to growth promoter. - Agarwal,S.K.; Novotny,E.A.; Crabtree,J.S.; Weitzman,J.B.; Yaniv,M.; Burns,A.L.; Chandrasekharappa,S.C.; Collins,F.S.; Spiegel,A.M.; Marx,S.J. (PNAS, 2003)