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    Diabetologia. 2004 Dec;47(12):2176-84. Epub 2004 Dec 8.

    Common polymorphisms of the PPAR-gamma2 (Pro12Ala) and PGC-1alpha (Gly482Ser) genes are associated with the conversion from impaired glucose tolerance to type 2 diabetes in the STOP-NIDDM trial.

    Andrulionytè L, Zacharova J, Chiasson JL, Laakso M; STOP-NIDDM Study Group.

    Department of Medicine, University of Kuopio, 70210, Kuopio, Finland.

    AIM/HYPOTHESIS: We investigated the effects of the common polymorphisms in the peroxisome proliferator-activated receptor gamma2 (PPAR-gamma2; Pro12Ala) and in PPAR-gamma coactivator 1alpha (PGC-1alpha; Gly482Ser) genes on the conversion from impaired glucose tolerance to type 2 diabetes in participants in the STOP-NIDDM trial. This trial aimed to study the effect of acarbose in the prevention of type 2 diabetes. METHODS: Genotyping was performed in 770 study subjects whose DNA was available. The Gly482Ser variant in the PGC-1alpha gene was determined with the polymerase chain reaction amplification, Hpa II enzyme digestion, and gel electrophoresis. The Pro12Ala polymorphism of the PPAR-gamma2 gene was determined by the polymerase chain reaction-single-strand conformation polymorphism analysis. RESULTS: The Pro12Pro genotype of the PPAR-gamma2 gene predicted the conversion to diabetes in women in the acarbose group (odds ratio 2.89, 95% CI 1.20 to 6.96; p=0.018). The 482Ser allele of the PGC-1alpha gene had a significant interaction with the mode of treatment (p=0.012), and in the placebo group the 482Ser allele was associated with a 1.6-fold higher risk for type 2 diabetes compared to the Gly482Gly genotype (95% CI 1.06 to 2.33; p=0.023). Acarbose prevented the development of diabetes independently of the genotype of the PPAR-gamma2 gene, but only the carriers of the 482Ser allele of the PGC-1alpha gene were responsive to acarbose treatment. CONCLUSION/INTERPRETATION: We conclude that the Pro12Pro genotype of the PPAR-gamma2 gene and the 482Ser allele of the PGC-1alpha gene are associated with the conversion from impaired glucose tolerance to type 2 diabetes in the STOP-NIDDM trial.

    PMID: 15592662 [PubMed - indexed for MEDLINE]

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    • Acarbose (Prandase®, Precose®)

      Acarbose is used (with diet only or diet and other medications) to treat type 2 diabetes (condition in which the body does not use insulin normally and therefore cannot control the amount of sugar in the blood) . Acarbos...

    • Source: AHFS Consumer Medication Information

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