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Research Article

Association of vitamin D receptor gene polymorphism with the urine calcium level in nephrolithiasis patients

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Pages 127-132 | Received 24 May 2014, Accepted 11 Jun 2014, Published online: 07 Jul 2014
 

Abstract

Association of vitamin D receptor (VDR) gene polymorphism with the urine calcium level in nephrolithiasis patients from the published reports are still conflicting. This study was conducted to evaluate the relationship between VDR BsmI (rs1544410), Fok1 (rs2228570), TaqI (rs731236) and ApaI (rs7975232) gene polymorphism and urine calcium level in nephrolithiasis patients using meta-analysis method. The association studies were identified from PubMed, and Cochrane Library on 1 April 2014, and eligible investigations were included and synthesized using meta-analysis method. Four reports were recruited into this meta-analysis for the association of VDR BsmI, Fok1, TaqI and ApaI gene polymorphism with urine calcium level in nephrolithiasis patients. In this meta-analysis, VDR BsmI B allele and BB genotype, Fok1 f allele and ff genotype, TaqI, and ApaI gene polymorphism were not associated with urine calcium level in nephrolithiasis patients. However, the BsmI bb genotype and Fok1 FF genotype were associated with the urine calcium level in nephrolithiasis patients. In conclusion, VDR BsmI bb genotype and Fok1 FF genotype were associated with the urine calcium level in nephrolithiasis patients. However, more studies should be conducted to confirm it.

Declaration of interest

The authors declare no competing interests. This study was supported by the sub-item of 985 Project Foundation of Sun Yat-Sen (The Hundred Talents Program Foundation; No. 88000-3311300).

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