Impact of variation in ADRB2, ADRB3, and GNB3 genes on body mass index and waist circumference in a Brazilian population
The potential effect of variants in three catecholaminergic pathway genes (ADRB2, ADRB3, and GNB3) on obesity‐related traits was investigated in an European‐derived Brazilian population. Three‐hundred and thirty‐five individuals were screened for the ADRB2 Arg16Gly and Gln27Glu, ADRB3 Trp64Arg, and...
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| Veröffentlicht in: | American journal of human biology 2006-03, Vol.18 (2), p.182-186 |
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| creator | Mattevi, Vanessa S. Zembrzuski, Verônica M. Hutz, Mara H. |
| description | The potential effect of variants in three catecholaminergic pathway genes (ADRB2, ADRB3, and GNB3) on obesity‐related traits was investigated in an European‐derived Brazilian population. Three‐hundred and thirty‐five individuals were screened for the ADRB2 Arg16Gly and Gln27Glu, ADRB3 Trp64Arg, and GNB3 814G→A and 825C→T polymorphisms using PCR‐based methods. The association of the polymorphisms with quantitative variables was tested separately in each sex by analysis of covariance using general linear models, including age as a covariate. Only the ADRB2 Arg16Gly polymorphism was associated with higher body mass index and waist circumference. This association was restricted to the male sample. As the number of studies increases, it becomes clear that the genetic bases of obesity are complex, with sex‐specific effects a playing an important role in its etiology. In the context of this European‐derived population, the ADRB2 gene accounts for a significant part of obesity‐related phenotypes in males. Am. J. Hum. Biol. 18:182–186, 2006. © 2006 Wiley‐Liss, Inc. |
| doi_str_mv | 10.1002/ajhb.20486 |
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Three‐hundred and thirty‐five individuals were screened for the ADRB2 Arg16Gly and Gln27Glu, ADRB3 Trp64Arg, and GNB3 814G→A and 825C→T polymorphisms using PCR‐based methods. The association of the polymorphisms with quantitative variables was tested separately in each sex by analysis of covariance using general linear models, including age as a covariate. Only the ADRB2 Arg16Gly polymorphism was associated with higher body mass index and waist circumference. This association was restricted to the male sample. As the number of studies increases, it becomes clear that the genetic bases of obesity are complex, with sex‐specific effects a playing an important role in its etiology. In the context of this European‐derived population, the ADRB2 gene accounts for a significant part of obesity‐related phenotypes in males. Am. J. Hum. 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J. Hum. Biol</addtitle><description>The potential effect of variants in three catecholaminergic pathway genes (ADRB2, ADRB3, and GNB3) on obesity‐related traits was investigated in an European‐derived Brazilian population. Three‐hundred and thirty‐five individuals were screened for the ADRB2 Arg16Gly and Gln27Glu, ADRB3 Trp64Arg, and GNB3 814G→A and 825C→T polymorphisms using PCR‐based methods. The association of the polymorphisms with quantitative variables was tested separately in each sex by analysis of covariance using general linear models, including age as a covariate. Only the ADRB2 Arg16Gly polymorphism was associated with higher body mass index and waist circumference. This association was restricted to the male sample. As the number of studies increases, it becomes clear that the genetic bases of obesity are complex, with sex‐specific effects a playing an important role in its etiology. In the context of this European‐derived population, the ADRB2 gene accounts for a significant part of obesity‐related phenotypes in males. Am. J. Hum. 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| subjects | Adult Body Constitution Body Mass Index Brazil - epidemiology Female Gene Frequency Genetic Predisposition to Disease - epidemiology GTP-Binding Proteins - genetics Humans Linkage Disequilibrium Male Obesity - epidemiology Obesity - genetics Polymorphism, Genetic Receptors, Adrenergic, beta-2 - genetics Receptors, Adrenergic, beta-3 - genetics |
| title | Impact of variation in ADRB2, ADRB3, and GNB3 genes on body mass index and waist circumference in a Brazilian population |
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