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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