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Table 2 The relationship between the methylation status of COX-2 promoter and its mRNA expression in endometrial tissues (x ± s, n)

From: DNA hypomethylation of the COX-2 gene promoter is associated with up-regulation of its mRNA expression in eutopic endometrium of endometriosis

  mRNA level mRNA level(M) mRNA level(U)
EMs group 2.95 ± 1.35a 1.63 ± 0.42b 3.90 ± 0.93b
  (n = 60) (n = 25) (n = 35)
Control group 1.13 ± 0.65a 0.80 ± 0.19c 2.13 ± 0.49c
  (n = 20) (n = 15) (n = 5)
  1. aP < 0.01.
  2. bP < 0.01.
  3. cP < 0.01.
  4. mRNA level, mRNA level of COX-2 in endometrial tissues; mRNA level(M), mRNA level of COX-2 in methylated endometrial tissues; mRNA level(U), mRNA level of COX-2 in methylated endometrial tissues.