TGFB1 and rheumatoid arthritis: The evaluation of combined IL10 and TGFB1 genotypes frequencies showed an increase in -1082AA + GG/-509CC (20.2% vs. 13.5%) and a reduction of -1082AG/-508CC (16.0% vs. 21.9%; OR = 0.489, 95% CI 0.217–1.101, p = 0.082) as well -1082AG/-508T heterozygous -509 CT+TT subjects (29.4% vs. 34.2%; OR = 0.578, 95% CI 0.28–1.193, p = 0.136) in RA patients compared to controls, respectively.