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Association of Polymorphic Variants of TCF7L2 and PPARG Genes with Metabolic Markers in Patients with Early Disorders of Carbohydrate Metabolism

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We performed complex analysis of the association of polymorphic variants rs7903146 of the TCF7L2 gene and rs1801282 of the PPARG gene with metabolic parameters, insulin resistance, and β-cell function in a group of patients with early signs of carbohydrate metabolism disturbances in a sample of Tyumen citizens. The study group consisted of 64 people (39 women, 25 men) aged 40-70 years. The distribution of frequencies of alleles and genotypes of the polymorphic markers rs7903146 and rs1801282 was analyzed and associations of carriage of major homozygous polymorphisms with various phenotypic traits were identified. Genotyping for polymorphic variants of TCF7L2 and PPARG genes was performed using allele-specific PCR with primers provided by Synthol company. Carriers of homozygotes for allele C of the polymorphic marker rs7903146 significantly differed from other respondents by a higher level of C-peptide, as well as by the presence of associations with waist circumference, elevated level of glycated hemoglobin, and arterial hypertension. Carriers of homozygotes for the allele C of the rs1801282 polymorphism of the PPARG gene differed from the group of carriers of homozygotes for the allele G and the group of heterozygote carriers by higher levels of triglycerides, as well as the presence of associations with waist circumference and the level of glycated hemoglobin.

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Authors and Affiliations

  1. Tyumen State Medical University, Ministry of Health of the Russian Federation, Tyumen, Russia

    D. N. Isakova, S. N. Kolomeichuk, Yu. A. Petrova, M. V. Lyapina, I. A. Troshina, K. A. Voronin & I. M. Petrov

  2. Institute of Biology — Separated Subdivision of the Federal Research Center Karelia Scientific Center, Russian Academy of Sciences, Petrozavodsk, Republic of Karelia, Russia

    S. N. Kolomeichuk

  3. Tyumen Industrial University, Tyumen, Russia

    Yu. A. Petrova

Authors
  1. D. N. Isakova
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  2. S. N. Kolomeichuk
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  3. Yu. A. Petrova
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  4. M. V. Lyapina
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  5. I. A. Troshina
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  6. K. A. Voronin
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  7. I. M. Petrov
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Correspondence to D. N. Isakova.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 176, No. 10, pp. 482-487, October, 2023

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Isakova, D.N., Kolomeichuk, S.N., Petrova, Y.A. et al. Association of Polymorphic Variants of TCF7L2 and PPARG Genes with Metabolic Markers in Patients with Early Disorders of Carbohydrate Metabolism. Bull Exp Biol Med 176, 481–485 (2024). https://doi.org/10.1007/s10517-024-06051-w

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  • DOI: https://doi.org/10.1007/s10517-024-06051-w

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