Search for the association of polymorphic markers for genes coding for antioxidant defense enzymes, with development of diabetic polyneuropathies in patients with type 1 diabetes mellitus |
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Authors: | Zotova E V Savost'ianov K V Chistiakov D A Bursa T R Galeev I V Strokov I A Nosikov V V |
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Institution: | State Research Center GosNIIGenetika, Moscow, 117545 Russia. lena-zotova@mail.ru |
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Abstract: | The allele and genotype frequency distributions of polymorphic markers of genes coding for antioxidant enzymes were compared for type 1 diabetes mellitus patients with or without diabetic polyneuropathy (DPN). The groups (total 180 patients) had nonoverlapping (polar) phenotypes. Group DPN+ included 86 patients with DPN and diabetic record no more than 5 years. Control group DPN- included patients without DPN and diabetic record of at least 10 years. Comparative analysis with Fisher's exact test revealed a significant difference in allele and genotype frequency distributions of the T(-262)C polymorphic marker of the CAT gene. Polymorphic markers C1167T of the CAT gene, Pro/Leu of the GPX1 gene, 0/+ of the GSTT1 gene, and 0/+ of the GSTM1 gene showed no significant difference in allele or genotype frequency distribution. On this evidence, these markers were not associated with DPN in the sample examined. |
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