Infection by L. (V) braziliensis induced the expression of all the growth factors in ID15, with levels of induction with respect to healthy hamsters of: PDGF 0.4 ± 0.1, EGF 3.9 ± 0.2, FGF 1.1 ± 0.5, and TGFβ1 0.4 ± 0.2. This evidence concerns the gene TGFB1 and infection.