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Diabetes Res Clin Pract. 2003 Oct;62(1):55-9.

The association of Pro12Ala polymorphism in PPARgamma2 with lower carotid artery IMT in Japanese.

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1
Department of Clinical Evaluation of Medicines and Therapeutics, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan.

Abstract

In this study, the association of the Pro12Ala peroxisome proliferator-activated receptor gamma2 (PPARgamma2) polymorphism with atherosclerosis was examined in a Japanese Type 2 diabetic population. PPARgamma has been identified as a key regulator of adipogenesis. Recently, some studies reported that the Pro12Ala polymorphism was associated with resistance to Type 2 diabetes. It is well-known that Type 2 diabetes is closely related with disorder of lipid metabolism as well as impaired glucose homeostasis, resulting in atherosclerosis. We aimed to evaluate the association between carriers of the Pro12Ala PPARgamma2 mutation and clinical profiles concerning atherosclerosis besides plasma glucose and lipid concentrations. Screening for the mutation was performed using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method among 154 Type 2 diabetic patients. The homozygotes of the Pro12 allele were 143 (93%), the heterozygotes of the Pro12 and Ala12 allele were 11 (7%) and the homozygote of the Ala12 allele was not detected. The group with the Ala12 allele had a significantly lower value of carotid artery intima-media thickness (IMT) than that without it, although there was no difference between two groups in sex, age or other clinical variables we examined. The Pro12Ala PPARgamma2 polymorphism may be associated with carotid artery IMT values in Type 2 diabetes mellitus.

PMID:
14581158
[Indexed for MEDLINE]

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