Figure 1.
1,25(OH)2D and PTH influence vitamin D metabolism by positive (+) or negative (−) regulation of the activity of the 1α-hydroxylase and the 24-hydroxylase. 25(OH)D, 25-hydroxyvitamin D; 1,25(OH)2D, 1,25-dihydroxyvitamin D; 24,25(OH)2D, 24,25-dihydroxyvitamin D; 1,24,25(OH)3D, 1,24,25-trihydroxyvitamin D.
Table 1.
Patient characteristics at inclusion (n = 52).
Table 2.
Patients divided into tertiles according to serum levels of 25(OH)D.
Table 3.
Patients divided into tertiles according to serum levels of 1,25(OH)2D.
Table 4.
Patients divided into tertiles according to serum levels of PTH.
Table 5.
Selected SNPs analysed in 52 individuals with primary hyperparathyroidism.
Table 6.
Relations between the genotype variations of the SNPs studied and bone mineral density in lumbar spine, femoral neck and distal radius.