CYP27B1 and bacterial urinary tract infection: CYP27B1 gene expression was found significantly more elevated in UTI-female placentas in comparison to males from the same condition: 1.18 ± 0.21 vs. 0.60 ± 0.21, respectively (least-square means ± SEM × 10−6, p = 0.03, Student’s t-test).