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Int J Clin Exp Med. 2015 May 15;8(5):8173-7. eCollection 2015.

Common allelic variants of the vitamin receptor D gene rs7975232 (ApaI) do not influence bone mineral density figures in postmenopausal osteoporotic women.

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Department of Nursing, University of Extremadura, Metabolic Bone Diseases Research Group Caceres, Spain.


This study examined the association between bone mineral density (BMD) and the rs7975232 (ApaI) polymorphism of the vitamin receptor D (VDR) gene. The polymorphism was detected using the real-time PCR TaqMan method. The rs7975232 genotype was determined in 274 postmenopausal osteoporotic Spanish women who were 60.53±8.02 years old. The observed genotype frequencies were in agreement with Hardy-Weinberg equilibrium (χ(2)=1.85, P=0.1736). There were no significant differences in the rs7975232 genotype groups in our total sample of osteoporotic women regarding age, years since menopause, height, weight, and BMD at femoral neck, femoral trochanter and lumbar spine. Significant differences were found in menarche age (aa vs Aa; P=0.008) and BMI (aa vs AA; P=0.029). We conclude that the VDR gene rs7975232 polymorphism is not related to figures of bone mineral density in postmenopausal osteoporotic Spanish women.


ApaI; Polymorphism; bone mineral density; osteoporosis; postmenopausal


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