首页> 外文期刊>Journal of Nanjing Medical University >Genetic Variation in β_3 -Adrenergic Receptor and Obesity, Type 2 Diabetes, Insulin Resistance in Chinese Pedigrees
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Genetic Variation in β_3 -Adrenergic Receptor and Obesity, Type 2 Diabetes, Insulin Resistance in Chinese Pedigrees

机译:中国谱系中β_3-肾上腺素能受体和肥胖,2型糖尿病,胰岛素抵抗的遗传变异

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Objective: To explore the association between the polymorphism of the (β_3-adrenergic receptor ( β_3-AR) gene and obesity, type 2 diabetes, insulin resistance in Chinese pedigrees . Methods: Eight pedigrees with obesity and type 2 diabetes have been detected with the technique of PCR-RFLP in codon 64 of the exon re-gion representing the variation Trp64 Arg of β_3-AR gene. Results: In pedigree linkage analysis, the maximal LOD score of β_3-AR gene with obesity was 3.385 109 (θ =0.000 000) at the mode of autosomal dominant in pedi-gree 3. The maximal LOD score of (β_3-AR with type 2 diabetes was 0.222336(θ=0.000 000) at the mode of autosomal dominant in pedigree 2 and 0. 805 003 (θ=0. 000 000) at the mode of autosomal recessive in pedigree 4. Conclusion: The results indicate that ①The Trp 64 Arg variation have a cause effect significances of some fami-. ial obesity. Pedigree linkage analysis can powerfully help to understand the action mechanism of the candidate genes. ②Better comphrehension the workings of adrenergic receptors should provide a new understanding of o-besity, type 2 diabetes and insulin resistance and perhaps lead to new methods of treatment.
机译:目的:探讨(β_3-肾上腺素能受体(β_3-AR)基因多态性与肥胖,2型糖尿病,中国血统的胰岛素抵抗之间的关系。方法:检出八种肥胖和2型糖尿病的家系。 PCR-RFLP技术在外显子区域第64位密码子中代表β_3-AR基因的Trp64 Arg变异。结果:在谱系连锁分析中,肥胖的β_3-AR基因的最大LOD得分为3.385 109(θ= 0.000 000在谱系3的常染色体显性遗传模式下。(β_3-AR与2型糖尿病的最大LOD评分在谱系2和0的常染色体显性遗传模式下为0.222336(θ= 0.000 000)。805 003(结论:结果表明:①Trp64 Arg变异对某些家族性肥胖具有成因效应,系谱连锁分析可以有效地帮助了解家系肥胖。候选基因的作用机理②更好的理解因此,肾上腺素能受体的工作方式应提供对肥胖症,2型糖尿病和胰岛素抵抗的新认识,并可能导致新的治疗方法。

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