Apolipoprotein B gene variants are involved in the determination of blood glucose and lipid levels in patients with non-insulin dependent diabetes mellitus

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Date

2006

Authors

Duman, Belgin Süsleyici
Öztürk, Melek
Yilmazer, Selma
Çağatay, Penbe
Hatemi, Hüsrev

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Wiley

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Abstract

We have examined the frequency of the EcoRI XbaI and MspI RFLPs of the apolipoprotein B (apo 13) gene in I 10 type 2 diabetic patients and 9 1 healthy control subjects in order to ascertain whether variation in this gene may influence the development of non-insulin dependent diabetes mellitus (type 2 diabetes). Serum lipids including total-cholesterol (T-Chol) triacylglycerol (TAG) apolipoprotein E (apo E) apolipoprotein Al (apo Al) apolipoprotein B and lipoprotein (a) (Lp(a)) were analysed. Genomic DNA was extracted and the apo B polymorphic regions amplified by the polymerase chain reaction. Regions carrying EcoRI XbaI and MspI restriction sites present in the apo B gene were amplified and digested separately by the respective enzymes. No significant difference for genotypic frequencies was observed for the EcoRI XbaI and MspI restriction sites in type 2 diabetic patients as compared to controls. Type 2 diabetic patients and controls with EcoRI +/+ and XbaI +/+ genotypes had higher apo E levels. The MspI +/+ genotype is more frequent in the patient and control groups With elevated T-Chol. Furthermore the EcoRI -/- XbaI -/- and MspI +/+ genotypes were found to be significantly more frequent in type 2 diabetic patients with higher blood glucose levels. This study identifies the apo B gene polymorphisms in modulating plasma lipid/lipoprotein and glucose levels in patients with type 2 diabetes. Copyright 0 2005 John Wiley & Sons Ltd.

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Keywords

Non-insulin dependent diabetes mellitus, Apolipoprotein B, Polymorphism

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7

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Volume

24

Issue

3

Start Page

261

End Page

267