期刊
NUTRITIONAL NEUROSCIENCE
卷 8, 期 4, 页码 207-211出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10284150500132963
关键词
genetic; obesity; polymorphism; serotonin; receptor
Serotonin has been related to feeding behaviour and body weight control through its suppressive effect on appetite. Conflicting results have been published in the literature regarding the association between the - 1438 G/A promoter polymorphism of the 5HT2A gene with obesity-related variables. The aim of this study was to assess the association between the - 1438 G/A polyinorphism of the 5HT2A gene with childhood obesity in a Spanish population. A total of 136 cases aged 6-16 years with BMI above the 97th percentile of the Spanish BMI reference data for age and gender were matched by gender and age ( 6 months) with 136 controls. Additionally5 43 obese children and their parents were selected for a family-based association study (case-parent study). Genotyping was carried out by polymerase chain reaction and restriction enzyme analysis. Conditional logistic regression and transmission/disequilibrium test were used to assess genotype-obesity association. In the matched casecontrol study, the crude and adjusted odds ratios for the association between 5HT2A - 1438 G/A genotypes were nonsignificant. Likewise, no association is suggested by the case-parent study. In conclusion, it is unlikely that the - 1438 G/A polymorphism of 5HT72A gene may influence obesity in a Spanish children population.
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