Ethnic Manifestations of Gene Polymorphisms of Vitamin D Receptor (VDR) in Adolescents of Western Kazakhstan Region

Disorders of bone mineralization and metabolism depend on ethnic affiliation and presence of defined polymorphic genotypes of VDR gene molecular markers. Genotype Tt is a normal variant of gene polymorphism and is characterized by significantly less 25-PO vitamin D content in adolescents of Kazakh ethnic group, in comparison with their age mates of Slavonic ethnic group.