Insulin-dependent activation of endothelial nitric oxide synthase is impaired by O-linked glycosylation modification of signaling proteins in human coronary endothelial cells. - Federici,M.; Menghini,R.; Mauriello,A.; Hribal,ML.; Ferrelli,F.; Lauro,D.; Sbraccia,P.; Spagnoli,LG.; Sesti,G.; Lauro,R. (Circulation, 2002)