Altered intracellular processing and release of neuropeptide Y due to leucine 7 to proline 7 polymorphism in the signal peptide of preproneuropeptide Y in humans. - Kallio,J.; Pesonen,U.; Kaipio,K.; Karvonen,M.K.; Jaakkola,U.; Heinonen,O.J.; Uusitupa,M.I.; Koulu,M. (FASEB J, 2001)