IFN-γ, IL-10 and nitrogen radicals levels by different alleles carried of polymorphisms. A. IFN-γ levels in IFNG-874 T/A genotypes,
B. NO levels in NOS2A-954G/C genotypes,
C. IL-10 levels in IL10A-1082G/A genotypes,
D. IL-10 levels in IL10A-592A/C and IL10A-819 T/C genotypes. Data are expressed as means levels (means ± SEM) on a logarithmic scale; Statistical significance determined by Mann Whitney U test; **P value < 0.001.