Browsing by Author "Abdel-Nasser Z.M."

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    Visfatin -948 G/T and resistin -420 C/G polymorphisms in Egyptian type 2 diabetic patients with and without cardiovascular diseases
    (National Research Council of Canada, 2014) Motawi T.M.K.; Shaker O.G.; El-Sawalhi M.M.; Abdel-Nasser Z.M.; Biochemistry Department; Faculty of Pharmacy; Cairo University; Cairo; Egypt; Medical Biochemistry and Molecular Biology Department; Faculty of Medicine; Cairo University; Cairo; Egypt; Biochemistry Department; Faculty of Pharmacy; Modern Sciences and Arts University; Cairo; Egypt
    Diabetes mellitus is one of the main threats to human health in the 21st century. Visfatin/Nampt and resistin are novel adipokines that have been implicated in the pathogenesis of type 2 diabetes mellitus (T2DM) and cardiovascular disease (CVD) complication. Several genetic studies have shown inconsistent results regarding association of visfatin/Nampt gene (NAMPT) and resistin gene (RETN) polymorphisms with T2DM and CVD complications. Here, we investigate whether NAMPT -948G/T and RETN -420C/G polymorphisms are associated with T2DM, its CVD complications, and serum adipokines levels in 90 Egyptian diabetic patients (44 without CVD and 46 with CVD) along with 60 healthy control subjects. Higher frequencies of NAMPT -948G/G and RETN -420G/G were observed among T2DM patients compared with controls. Furthermore, the frequencies of these genotypes were significantly higher in T2DM patients with CVD than those without CVD. Both NAMPT -948G/G and RETN -420G/G genotypes and G alleles were significantly associated with T2DM and CVD in Egyptian diabetic patients. Moreover, serum visfatin/Nampt and resistin levels were markedly elevated in T2DM patients, with the highest values observed in G/G genotypes among T2DM patients with CVD. In addition, positive correlations were observed between plasma adipokines levels and CVD risk factors. In conclusion, our data suggests that genetic variations in NAMPT -948G/T and RETN -420C/G may contribute to the disposition for T2DM and its CVD complications in Egyptian patients. However, further studies with greater sample size should be performed to verify these results. 2014 Published by NRC Research Press.