Fig. 1From: Elevated methylation of the vault RNA2-1 promoter in maternal blood is associated with preterm birthMethylation differences in VTRNA2-1 between term and preterm samples. a Rank plot of three methylated sites on VTRNA2-1 by bisulphite pyrosequencing. b Relative expression levels of VTRAN2-1 in maternal blood (Term, n = 20; Preterm, n = 20)Back to article page