TGFBR2 and preeclampsia: The genotype for TGFβR2 tSNP rs6550005 (GG vs. AA + GA) was also significantly associated with preeclampsia in the white subgroup (P = 0.04), but further exploration of this association with logistic regression and a more stringent criterion for significance (P < 0.01) did not support this association (Table 4).