Combined thiazolidinedione-metformin treatment synergistically improves insulin signalling to insulin receptor substrate-1-dependent phosphatidylinositol 3-kinase, atypical protein kinase C and protein kinase B/Akt in human diabetic muscle. - Temofonte N; Sajan MP; Nimal S; Pastoor T; Fumero C; Casaubon L; Powe JL; Standaert ML; Farese RV (Diabetologia, 2009)