- Altered renal sodium handling and hypertension in men carrying the glucagon receptor gene (Gly40Ser) variant. Strazzullo, P., Iacone, R., Siani, A., Barba, G., Russo, O., Russo, P., Barbato, A., D'Elia, L., Farinaro, E., Cappuccio, F.P. J. Mol. Med. (2001)