Effect of Insulin-like Growth Factor-I on Leishmania amazonensis Promastigote Arginase Activation and Reciprocal Inhibition of NOS2 Pathway in Macrophage In vitro - Vendrame, C. M. V.; Carvalho, M. D. T.; Rios, F. J. O.; Manuli, E. R.; Petitto-Assis, F.; Goto, H. (Scandinavian journal of immunology, 2007)