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KMID : 0381020080410080767
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Korean Journal of Nutrition
2008 Volume.41 No. 8 p.767 ~ p.775
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The Relationships between UCP-1 Polymorphism and the Degree of Obesity or Plasma Lipid Profile in Prepubertal Children
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Oh Hyun-hee
Shin Eun-Jung
Lee Myoung-Sook
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Abstract
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Uncoupling protein-1 (UCP-1) plays a major role in thermogenesis at brown adipose tissues and has been implicated in the pathogenesis of obesity and metabolic disorders. The purpose of this study was to estimate the effects of A-3826G polymorphism in 117 Korean prepubertal children aged 8-11 years olds. Anthropometry by bioelectrical impedance analysis method, plasma lipid profiles by auto-biochemical analyzer and UCP-1 genotyping by PCR-RFLP were done. The frequencies of UCP-1 genotypes were AA; 17.7%, AG; 57.8%, GG; 26.6%. The frequencies of each G allele (55.5%) was similar to Japanese’s (49%) and higher than Caucacian’s (25%). No correlation UCP-1 polymorphism and BMI (kg/) or the degree of obesity described by the relative percentiles of the standard weight according to height in prepubertal children. However, plasma total- and LDL-cholesterol were significantly increased in G allele when sex, age and weight were adjusted. Our results suggested that G allele of UCP-1 gene was stronger risk factors in hyperLDLcholesterolemia than A allele. This impact might be progressed as the precaution against the revalence of obesity based-metabolic disease.
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KEYWORD
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UCP-1, polymorphism, prepubetal children, obesity, LDL cholesterol
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