- A common polymorphism in the promoter of UCP2 contributes to the variation in insulin secretion in glucose-tolerant subjects. Sesti, G., Cardellini, M., Marini, M.A., Frontoni, S., D'Adamo, M., Del Guerra, S., Lauro, D., De Nicolais, P., Sbraccia, P., Del Prato, S., Gambardella, S., Federici, M., Marchetti, P., Lauro, R. Diabetes (2003)