IL4 and cardiomyopathy: Moreover, other SNP related to other cytokines that could be related to susceptibility to T. cruzi infection (IFN-γ, MIF, IL-4, TNF, TGF-β, and IL-18) or cardiomyopathy development (TNF, IL-1, BAT1, MCP-1, LT-α, IL-12, and IL-10) [34] were not studied.