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Table 1 VDR mRNA expression [median (minimum–maximum)] according to the genotypes in each studied SNP in VDR

From: The role of 25-hydroxyvitamin-D3 and vitamin D receptor gene in human periodontal ligament fibroblasts as response to orthodontic compressive strain: an in vitro study

Condition SNP and experimental concentration Genotypes median (minimum–maximum) p values
Co-dominant modela Recessive modelb
No pressure FokI rs2228570 (G > A) GG (n = 12) GA (n = 6) AA (n = 9)
  0 ng/ml 0.91 (0.01–1.56) 0.98 (0.52–1.64) 1.02 (0.45–1.58) 0.967 0.897
  40 ng/ml 0.85 (0.46–1.77) 0.56 (0.42–0.96) 0.84 (0.28–1.44) 0.173 0.439
  BglI rs739837 (G > T) GG (n = 9) GT (n = 6) TT (n = 12)   
  0 ng/ml 1.01 (0.45–1.58) 1.06 (0.74–1.56) 1.03 (0.52–1.64) 0.852 0.892
  40 ng/ml 0.59 (0.28–0.96) 0.95 (0.81–1.77) 0.85 (0.42–1.44) 0.061 0.038*
  ApaI rs7975232 (A > C) AA (n = 12) AC (n = 9) CC (n = 6)   
  0 ng/ml 1.03 (0.52–1.64) 1.01 (0.75–1.56) 1.09 (0.45–1.58) 0.943 0.922
  40 ng/ml 0.85 (0.42–1.44) 0.84 (0.53–1.77) 0.54 (0.28–0.96) 0.152 0.062
Pressure FokI rs2228570 (A > G) GG (n = 12) GA (n = 6) AA (n = 9)   
  0 ng/ml 0.82 (0.49–1.72) 1.20 (0.64–3.14) 0.72 (0.47–1.58) 0.248 0.764
  40 ng/ml 0.59 (0.21–0.90) 0.92 (0.60–1.39) 0.84 (0.18–1.15) 0.122 0.235
  BglI rs739837 (G > T) GG (n = 9) GT (n = 6) TT (n = 12)   
  0 ng/ml 0.69 (0.47–2.14) 0.74 (0.49–1.56) 0.86 (0.49–1.72) 0.709 0.451
  40 ng/ml 0.88 (0.18–1.38) 0.68 (0.26–0.90) 0.72 (0.21–1.15) 0.601 0.398
  ApaI rs7975232 (A > C) AA (n = 12) AC (n = 9) CC (n = 6)   
  0 ng/ml 0.86 (0.49–1.72)a,b 0.58 (0.47–1.56)a 1.29 (0.54–3.14)b 0.045* 0.048*
  40 ng/ml 0.73 (0.21–1.15) 0.77 (0.26–0.98) 0.99 (0.19–1.38) 0.683 0.581
  1. *Means statistically significant difference (p < 0.05). Comparisons were performed among genotypes within the same SNP under the same experimental conditions. Different letters indicate a significant difference
  2. aKruskal–Wallis with Dunn’s test was used
  3. bMann–Whitney test was used