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Original Article Association Between Uncoupling Protein-1 and 3-adrenergic Receptor Gene Polymorphisms and Energy Metabolism in normal Korean Adults.
Jae Han Kim, Seog Ki Yun, Chul Hee Kim, Dong Won Byun, Young Sun Kim, Kyo Il Suh, Myung Hi Yoo
Diabetes & Metabolism Journal 1999;23(6):803-813
DOI: https://doi.org/
Published online: January 1, 2001
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BACKGROUND
The beta3-adrenergic receptor (beta3-AR) and uncoupling protein 1 (UCP-1), expressed mainly in brown adipose tissue, are involved in the regulation of thermogenesis and lipolysis. Recent studies have shown that polymorphisms of the 3-AR (Trp64Arg) and UCP-1 (-3826, A to G) genes are associated with low basal metabolic rate (BMR) and obesity. METHODS: We investigated the effects of the beta3- AR and UCP-1 gene polymorphisms on body fat and energy metabolism in 65 normal Korean men aged from 21 to 36 years. The Trp64Arg mutation of the beta3-AR gene and A to G polymorphism (-3826) of UCP-1 gene were detected by polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) method. RESULT: In normal Koreans, Arg64 allele frequency of the beta3-AR was 0.15 and the allele frequency of the A to G substitution of the UCP-1 gene was 0.48. No significant difference was found in BMR, body fat and abdominal fat amount in relation to beta3-AR or UCP-1 genotypes. However, when the polymorphisms of the two genes were combined, the subjects with the polymorphisms of both UCP-1 and g-AR genes were found to have higher body mass index, higher total fat and abdominal fat amount, lower BMR, and lower fat oxidation rate when compared with the subjects without these polymorphisms. CONCLUSION: These results suggest that the polymorphisms of either beta3-AR or UCP-1 gene alone did not significantly affect BMR, fat oxidation and body fat amounts, but both UCP-1 and beta3-AR genes polymorphisms have synergistic effects on decreased basal metabolic rate, fat oxidation rate, and increased body fat in normal Korean adults.

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    Association Between Uncoupling Protein-1 and 3-adrenergic Receptor Gene Polymorphisms and Energy Metabolism in normal Korean Adults.
    Korean Diabetes J. 1999;23(6):803-813.   Published online January 1, 2001
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Kim JH, Yun SK, Kim CH, Byun DW, Kim YS, Suh KI, Yoo MH. Association Between Uncoupling Protein-1 and 3-adrenergic Receptor Gene Polymorphisms and Energy Metabolism in normal Korean Adults.. Diabetes Metab J. 1999;23(6):803-813.
DOI: https://doi.org/.

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