Paraoxonase 1 (PON 1) Q192R Genotype Distribution in Ghanaians with Type II Diabetes Mellitus

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dc.contributor.advisor Asante-Poku, S.
dc.contributor.advisor Aryee, N.A.
dc.contributor.author Annan, D.A.M.
dc.date.accessioned 2014-08-08T11:01:27Z
dc.date.accessioned 2017-10-13T17:59:41Z
dc.date.available 2014-08-08T11:01:27Z
dc.date.available 2017-10-13T17:59:41Z
dc.date.issued 2013-07
dc.identifier.uri http://197.255.68.203/handle/123456789/5549
dc.description Thesis (MPHIL) - University of Ghana, 2013
dc.description.abstract Background: Recent studies have indicated PON 1 polymorphism to be associated with cardiovascular-related diseases such as diabetes mellitus but varied reports have been provided from such association studies. In Ghana, there is no such information on PON 1 polymorphism in disease situations; except one instance reported in non- diseased Ghanaians. The present study has therefore provided baseline information on PON 1 Q192R polymorphism in Ghanaians with type II Diabetes Mellitus. Main Objective: To determine the PON 1 Q192R genotypes in Ghanaian type II diabetes mellitus patients and its impact on clinical variables Design: The study was located at the National Diabetes Management and Research Centre (NDMRC), Korle Bu Teaching Hospital, Accra. Subjects were recruited consecutively at the outpatients’ clinic of the NDMRC; and interrogated through a questionnaire for demographic and clinical information. Fasting blood samples were collected from 112 Type II diabetes mellitus patients and 97 non-diabetic control participants. The fasting plasma glucose and lipid profiles were measured. DNA extracted from the diabetic and control buffy–coat samples was used in determining the PON 1 Q192R polymorphism, by polymerase chain reaction–restriction fragment length polymorphism (PCR–RFLP) analysis. Results: The R allele was strongly associated with diabetes mellitus. All three PON 1 Q192R genotypes (QQ, RR, and QR) were present in Ghanaians with corresponding frequencies in Type II diabetic population being 18.18%, 74.55%, 7.27% and 33.33%, 57.14%, 9.52% in the control group respectively (χ 2 = 3.432, p = 0.1798). The type II diabetics in all the PON 1 Q192R genotype groups recorded significantly higher TG and VLDL levels (p < 0.05). Conclusion: The RR genotype was the most frequent in the populations studied, whereas the QR genotype was the least frequent. The R allele was significantly associated with type II diabetes mellitus. PON 1 Q192R RR and QQ genotypes were associated with high FPG levels in the diabetics. en_US
dc.format.extent xix, 128p.
dc.language.iso en en_US
dc.publisher University of Ghana en_US
dc.title Paraoxonase 1 (PON 1) Q192R Genotype Distribution in Ghanaians with Type II Diabetes Mellitus en_US
dc.type Thesis en_US
dc.rights.holder University of Ghana


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