International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Research Paper | Biotechnology | Iraq | Volume 6 Issue 12, December 2017

Osteocalcin Level and its Association with Vitamin D Receptor Gene Polymorphisms (TaqI and ApaI) in Iraqi Obese Type 2 Diabetes Mellitus

Reema M. Abed

Abstract: In order to explore the association of serum 25- hydroxy vitamin D concentration and it is gene receptor polymorphisms with Osteocalcin state for Iraqi obese type 2 diabetes mellitus individuals. Genomic DNA was obtained from leucocytes by using a standard salting out process. The polymorphisms had been genotyped by PCR -RFLP technique by using certain primers. ELISA was used to evaluate Insulin and Osteocalcin along with other biochemical parameters concentration. A significant reduction in Osteocalcin concentration within obese type 2 diabetes mellitus Iraqi individuals in comparability with the healthy obese non diabetic control group. The reduction depends on a number of elements, like period of disease and age individuals, aside from that to BMI. Mean serum Osteocalcin proved excellent correlations with intact parathyroid hormone (PTH) (r= 0.471, P < 0.01) in the entire public of all of type 2 diabetes mellitus Iraqi individuals. However mean serum Osteocalcin concentration was adversely correlated with serum high sensitivity C reactive protein (hs CRP) among the type 2 diabetes mellitus Iraqi cases (r = - 0.56, P < 0.01) and with serum vitamin D concentration (r = - 0.52, P < 0.01), weight (r = - 0.48, P < 0.01), BMI (r = - 0.63, P < 0.01) in the all public of type 2 diabetes mellitus. Elevated levels of mean serum hs- CRP as well as lesser vitamin D have been related to lesser serum Osteocalcin status. Serum Osteocalcin is positively connected with whole adiponectin levels, and atherosclerosis parameters in individuals with type 2 diabetes mellitus, suggesting that Osteocalcin is important for not only bone metabolism but also carbohydrate and lipid metabolism. In males, serum Osteocalcin negatively and significantly correlated with HbA1c, and FPG (P < 0.05, P < 0.001). In females, serum Osteocalcin levels negatively and significantly correlated with HbA1c and FPG (P < 0.05 as well as P < 0.001) and positively correlated with adiponectin (P < 0.001). The genotype TT of VDR gene at TaqI position demonstrated a significant (P = 0.045) increased percentage frequency in type 2 diabetes mellitus individuals (50 percent) when compared with control (thirty six percent), while the distribution of Tt genotypes was twenty three % in-individuals with type 2 diabetes mellitus in comparability to thirty % in healthy subject. Alternatively the distribution of tt genotypes was reduced (twenty three %) in individuals in comparability with thirty % within healthy subject.

Keywords: Vitamin D receptor, gene polymorphism, Type 2 diabetes mellitus, Osteocalcin

Edition: Volume 6 Issue 12, December 2017,

Pages: 1599 - 1604

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