Significance of Pro12Ala mutation in peroxisome proliferator-activated receptor-γ2 in Korean diabetic and obese subjects
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Oh, EY
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机构:Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
Oh, EY
Min, KM
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机构:Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
Min, KM
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Chung, JH
Min, YK
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机构:Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
Min, YK
Lee, MS
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机构:Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
Lee, MS
Kim, KW
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机构:Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
Kim, KW
Lee, MK
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Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South KoreaSungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
Lee, MK
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[1] Sungkyunkwan Univ, Sch Med, Dept Med, Div Endocrinol & Metab,Samsung Med Ctr, Seoul 135710, South Korea
[2] Sungkyunkwan Univ, Sch Med, Samsung Biomed Res Inst, Seoul 135710, South Korea
Peroxisome proliferator-activated receptors (PPARs) are a nuclear hormone receptor superfamily of ligand-activated transcription factors, and the PPAR gamma subtype regulates adipocyte differentiation, lipid metabolism, and insulin sensitivity. There have been several reports on the relationship between the PPAR gamma 2 Pro(12)Ala genotype and obesity or diabetes in Caucasians. The objective of this study was to examine the relationship between this mutation and obesity or diabetes in Korean subjects. Two hundred and twenty-nine Korean subjects, including 111 obese subjects (body mass index, >25 kg/m(2)) were included in this study. One hundred and eleven subjects had normal glucose tolerance, 60 had impaired glucose tolerance, and 58 had diabetes mellitus. We evaluated these subjects for the Pro(12)Ala mutation in the PPAR gamma gene using PCR-restriction fragment length polymorphism. Allele frequencies of the Pro(12)Ala missense mutation of PPAR gamma 2 were not different among Korean subjects with normal glucose tolerance (qAla = 0.045), those with impaired glucose tolerance (qAla = 0.033), and those with diabetes mellitus (qAla = 0.043; P > 0.05). Allele frequencies of PPAR gamma 2 Ala in obese subjects (qAla = 0.036) were not significantly different from those in nonobese subjects (qAla = 0.047). These results suggest that the Pro(12)Ala mutation in PPAR gamma is not associated with either diabetes or obesity and may not be an important determinant of obesity or diabetes in Korean subjects.