The frequency of allelic variants of the VDR gene and the level vitamin D in children under one year old in the Kazakh population
<b>Introduction:</b> The study of the genetic aspects of bone metabolism disorders in children is a theoretical and practical interest for pediatrics, especially according to the age and ethnic positions. There is a number of gene polymorphisms (primarily the vitamin D receptor (VDR) gen...
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| Main Authors: | , , , , |
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| Format: | Book |
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National Scientific Medical Center,
2023-02-01T00:00:00Z.
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| Summary: | <b>Introduction:</b> The study of the genetic aspects of bone metabolism disorders in children is a theoretical and practical interest for pediatrics, especially according to the age and ethnic positions. There is a number of gene polymorphisms (primarily the vitamin D receptor (VDR) gene) that determine the norm and pathology of bone tissue formation. Calcium absorption worsens when there is no functional VDR and active forms of vitamin D. As a result the level of bone mineralization decreases. In children such disorders lead to the development of osteopenia.<br /> <b>Objective:</b> To determine the frequency of allelic variants of the VDR gene (rs1544410, rs2228570) and to evaluate its relationship with the level of vitamin D in children under one year old in the Kazakh population.<br /> <b>Material and methods</b>: 197 children under one year of age were examined for vitamin D by electrochemiluminescent immunoassay and genotyping of the VDR polymorphism (rs1544410, rs2228570) by PCR.<br /> <b>Results:</b> It was found out that children with the C allele of the VDR rs2228570 gene have a reduced level of vitamin D by 1.84 times (95% CI 1.10 - 3.07) and CC - by 2.3 times compared with children with normal vitamin D levels.<br /> Statistical analysis by the Kruskal-Wallis method showed that the serum level of vitamin D in AA carriers for the VDR rs1544410 was significantly reduced comparing to the level in GG and GA carriers (p=0.03).<br /> <b>Conclusion:</b> The study confirms the need for further in-depth study of the genetic aspects of bone metabolism disorders in children for the development of personalized medicine. |
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| Item Description: | 1812-2892 2313-1519 10.23950/jcmk/12931 |