The β3-adrenergic receptor gene and obesity in a population sample of African Americans

W. L. Lowe, C. N. Rotimi, A. Luke, X. Guo, X. Zhu, A. G. Comuzzie, T. S. Schuh, S. Halbach, T. J. Kotlar, R. S. Cooper

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

OBJECTIVE: To examine the role of the Trp64Arg polymorphism in the β3-adrenergic receptor gene and the β3-adrenergic receptor gene locus in obesity-related traits in African Americans. SUBJECTS: A total of 687 individuals representing 193 African American families who were residents of metropolitan Chicago. MEASUREMENTS: Genotyping of the Trp64Arg polymorphism in the β3-adrenergic receptor gene and three microsatellite markers flanking the β3-adrenergic receptor gene (ADRB3) locus and measuring various obesity-related traits, including body mass index (BMI), fat-free mass, fat mass, percentage fat mass, waist circumference and serum lipid levels. RESULTS: The prevalence of obesity (defined as body mass index ≥30 kg/m2) in the population was 27.3% and 51.2% in men and women, respectively. The frequency of the Arg64 allele was 10.0%. Multivariate regression analyses confirmed the existence of a significant contribution of familial variance to each of the five obesity-related traits noted above. Likelihood ratio statistics computed in a multivariate regression analysis failed to demonstrate a significant association between the Arg64 allele and any of the five obesity-related traits. Single and multipoint analyses using extended Haseman-Elston regression analyses failed to demonstrate suggestive evidence of linkage of three microsatellite markers that flank the β3-adrenergic receptor gene to BMI, percentage body fat, waist circumference or serum leptin levels. CONCLUSION: Given the contribution of familial variance to obesity-related traits in this population, neither the null finding for the Arg64 allele nor the lack of evidence of linkage of the ADRB3 locus to obesity-related traits could be attributed to lack of transmissibility of the traits suggesting that neither the Arg64 variant of the β3-adrenergic receptor gene nor another genetic variant in or near the ADRB3 locus contribute significantly to familial aggregation of obesity-related traits in African Americans.

Original languageEnglish (US)
Pages (from-to)54-60
Number of pages7
JournalInternational Journal of Obesity
Volume25
Issue number1
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

adrenergic receptors
African Americans
Adrenergic Receptors
obesity
Obesity
Population
Genes
genes
body mass index
sampling
loci
Body Mass Index
waist circumference
Fats
Regression Analysis
Waist Circumference
Microsatellite Repeats
linkage (genetics)
Multivariate Analysis
lipids

Keywords

  • β3-adrenergic receptor
  • African American
  • Genetics
  • Leptin

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Public Health, Environmental and Occupational Health
  • Endocrinology
  • Food Science
  • Endocrinology, Diabetes and Metabolism

Cite this

Lowe, W. L., Rotimi, C. N., Luke, A., Guo, X., Zhu, X., Comuzzie, A. G., ... Cooper, R. S. (2001). The β3-adrenergic receptor gene and obesity in a population sample of African Americans. International Journal of Obesity, 25(1), 54-60. https://doi.org/10.1038/sj.ijo.0801487

The β3-adrenergic receptor gene and obesity in a population sample of African Americans. / Lowe, W. L.; Rotimi, C. N.; Luke, A.; Guo, X.; Zhu, X.; Comuzzie, A. G.; Schuh, T. S.; Halbach, S.; Kotlar, T. J.; Cooper, R. S.

In: International Journal of Obesity, Vol. 25, No. 1, 2001, p. 54-60.

Research output: Contribution to journalArticle

Lowe, WL, Rotimi, CN, Luke, A, Guo, X, Zhu, X, Comuzzie, AG, Schuh, TS, Halbach, S, Kotlar, TJ & Cooper, RS 2001, 'The β3-adrenergic receptor gene and obesity in a population sample of African Americans', International Journal of Obesity, vol. 25, no. 1, pp. 54-60. https://doi.org/10.1038/sj.ijo.0801487
Lowe, W. L. ; Rotimi, C. N. ; Luke, A. ; Guo, X. ; Zhu, X. ; Comuzzie, A. G. ; Schuh, T. S. ; Halbach, S. ; Kotlar, T. J. ; Cooper, R. S. / The β3-adrenergic receptor gene and obesity in a population sample of African Americans. In: International Journal of Obesity. 2001 ; Vol. 25, No. 1. pp. 54-60.
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abstract = "OBJECTIVE: To examine the role of the Trp64Arg polymorphism in the β3-adrenergic receptor gene and the β3-adrenergic receptor gene locus in obesity-related traits in African Americans. SUBJECTS: A total of 687 individuals representing 193 African American families who were residents of metropolitan Chicago. MEASUREMENTS: Genotyping of the Trp64Arg polymorphism in the β3-adrenergic receptor gene and three microsatellite markers flanking the β3-adrenergic receptor gene (ADRB3) locus and measuring various obesity-related traits, including body mass index (BMI), fat-free mass, fat mass, percentage fat mass, waist circumference and serum lipid levels. RESULTS: The prevalence of obesity (defined as body mass index ≥30 kg/m2) in the population was 27.3{\%} and 51.2{\%} in men and women, respectively. The frequency of the Arg64 allele was 10.0{\%}. Multivariate regression analyses confirmed the existence of a significant contribution of familial variance to each of the five obesity-related traits noted above. Likelihood ratio statistics computed in a multivariate regression analysis failed to demonstrate a significant association between the Arg64 allele and any of the five obesity-related traits. Single and multipoint analyses using extended Haseman-Elston regression analyses failed to demonstrate suggestive evidence of linkage of three microsatellite markers that flank the β3-adrenergic receptor gene to BMI, percentage body fat, waist circumference or serum leptin levels. CONCLUSION: Given the contribution of familial variance to obesity-related traits in this population, neither the null finding for the Arg64 allele nor the lack of evidence of linkage of the ADRB3 locus to obesity-related traits could be attributed to lack of transmissibility of the traits suggesting that neither the Arg64 variant of the β3-adrenergic receptor gene nor another genetic variant in or near the ADRB3 locus contribute significantly to familial aggregation of obesity-related traits in African Americans.",
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AU - Rotimi, C. N.

AU - Luke, A.

AU - Guo, X.

AU - Zhu, X.

AU - Comuzzie, A. G.

AU - Schuh, T. S.

AU - Halbach, S.

AU - Kotlar, T. J.

AU - Cooper, R. S.

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N2 - OBJECTIVE: To examine the role of the Trp64Arg polymorphism in the β3-adrenergic receptor gene and the β3-adrenergic receptor gene locus in obesity-related traits in African Americans. SUBJECTS: A total of 687 individuals representing 193 African American families who were residents of metropolitan Chicago. MEASUREMENTS: Genotyping of the Trp64Arg polymorphism in the β3-adrenergic receptor gene and three microsatellite markers flanking the β3-adrenergic receptor gene (ADRB3) locus and measuring various obesity-related traits, including body mass index (BMI), fat-free mass, fat mass, percentage fat mass, waist circumference and serum lipid levels. RESULTS: The prevalence of obesity (defined as body mass index ≥30 kg/m2) in the population was 27.3% and 51.2% in men and women, respectively. The frequency of the Arg64 allele was 10.0%. Multivariate regression analyses confirmed the existence of a significant contribution of familial variance to each of the five obesity-related traits noted above. Likelihood ratio statistics computed in a multivariate regression analysis failed to demonstrate a significant association between the Arg64 allele and any of the five obesity-related traits. Single and multipoint analyses using extended Haseman-Elston regression analyses failed to demonstrate suggestive evidence of linkage of three microsatellite markers that flank the β3-adrenergic receptor gene to BMI, percentage body fat, waist circumference or serum leptin levels. CONCLUSION: Given the contribution of familial variance to obesity-related traits in this population, neither the null finding for the Arg64 allele nor the lack of evidence of linkage of the ADRB3 locus to obesity-related traits could be attributed to lack of transmissibility of the traits suggesting that neither the Arg64 variant of the β3-adrenergic receptor gene nor another genetic variant in or near the ADRB3 locus contribute significantly to familial aggregation of obesity-related traits in African Americans.

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