• J. Korean Med. Sci. · Sep 2013

    Association of polymorphisms in the vitamin D receptor promoter with idiopathic short stature.

    • Seo Kyung Choi, Mun Suk Park, Jun Kyu Song, Kyung Sik Yoon, Kyung Lim Yoon, and Kye Shik Shim.
    • Department of Pediatrics, Kyung Hee University School of Medicine, Seoul, Korea.
    • J. Korean Med. Sci. 2013 Sep 1; 28 (9): 1329-33.

    AbstractThe genetic alterations of vitamin D receptor (VDR) are related with the growth of long bone. There were a lot of reports regarding an association of polymorphisms in the VDR promoter with many disorders, but not with idiopathic short stature (ISS). We investigated the association of them with ISS. A total of 50 subjects, including 29 ISS patients and 21 healthy controls with their heights within the normal range was recruited. We selected two single nucleotide polymorphisms (SNPs) from VDR promoter (rs11568820 at the Cdx-2 binding site upstream of exon 1e and rs4516035 at -1012 upstream of exon 1a) as candidates, respectively. In genotype analysis, the frequency of A/A genotype at the Cdx-2 binding site locus (rs11568820) upstream of exon 1e of VDR was decreased to 6.9% in ISS patients (28.6% in controls) (P = 0.027). The genetic variation at the Cdx-2 binding site of VDR promoter can be a contributing factor of growth of height.

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