Commingling analysis of obesity in twins.

Commingling analysis of obesity in twins.
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双胞胎肥胖的混合分析。

DOI:
10.1159/000153848
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发表时间:
1989
期刊:
影响因子:
1.8
通讯作者:
Stunkard,AJ
Stunkard,AJ
中科院分区:
生物学4区
文献类型:
--
作者:
Price,RA;Stunkard,AJ

文献摘要

参考文献

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证据是多个组件在几个大的双胞胎样本中的人类肥胖的分布,去除年龄的影响,并允许在组件分布的残余偏度。上分量分布对应于中年或老年人样本中的超重或肥胖。双变量分析表明,虽然同卵双胞胎似乎来自相同的成分分布(正常或超重),但双胞胎的相关性在不同成分之间存在差异,超重组的相关性最低。虽然这些分析不能提供一个明确的测试竞争的遗传和环境的假设,这种方法是有用的,产生关于肥胖的原因的假设。结合其他已发表的文献,我们的研究结果表明,遗传背景在很大程度上决定了肥胖的倾向。一个有肥胖倾向的人是否会变得肥胖以及肥胖的程度取决于环境暴露,而环境暴露在很大程度上与早期的家庭经历无关。基因和环境在肥胖中似乎都很重要,但有些基因型对环境的敏感性可能比其他基因型高得多。
Evidence is presented for multiple components in the distribution of human fatness across several large twin samples, after removing age effects and allowing for residual skewness in component distributions. The upper component distributions corresponded to overweight or obesity in samples of middle-aged or older individuals. A bivariate analysis demonstrated that, while monozygotic co-twins appeared to be drawn from the same component distributions (normal or overweight), the twin correlations varied across components, with the lowest correlation in the overweight group. While these analyses cannot provide a definitive test of competing genetic and environmental hypotheses, this approach is useful for generating hypotheses about the causes of obesity. When combined with other published literature, our results suggest that the genetic background largely determines the propensity to become obese. Whether a predisposed person becomes obese and the extent of obesity depend on environmental exposures that are largely independent of early family experience. Both genes and environment appear to be important in obesity, but it appears that some genotypes may be much more sensitive to the environment than are others.
将同卵双胞胎与异卵双胞胎分开。
DOI: 10.1001/archpsyc.1973.04200040021004
发表时间: 1973
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DOI: --
发表时间: 1987
期刊: Human Heredity
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DOI: --
发表时间: 1988
影响因子: 4.9
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发表时间: 1989-01-14
影响因子: 105.7
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374 个收养儿童家庭的体重和体重/身高的家族相似性。
DOI: --
发表时间: 1977
影响因子: 3.3
作者:
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