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Zhongguo Dang Dai Er Ke Za Zhi ; 20(4): 308-313, 2018 Apr.
Artículo en Zh | MEDLINE | ID: mdl-29658457

RESUMEN

OBJECTIVE: To study the association between the prevalence of overweight/obesity and copy number variations (CNVs) among Han, Uyghur, and Kazak children in Xinjiang, China. METHODS: The kindergartens in Ili, Altay, and Karamay in Xinjiang were selected as research sites, and stratified cluster sampling was used to select the children aged 3-7 years. Body height and body weight were measured, and exfoliated buccal mucosa cells were collected. CNVplex® was used to measure the CNVs of FTO_1, IRX3_1, IRX3_2, MC4R_1, and MC4R_2. RESULTS: A total of 603 children were surveyed (307 boys and 296 girls). There were 261 Han children, 194 Uyghur children, and 148 Kazak children. The overweight/obesity rates in Han, Uyghur, and Kazak children were 28.3%, 10.3%, and 31.1%, respectively (P<0.001). In Kazak children, the CNVs of IRX3_1 and MC4R_2 were associated with overweight/obesity (P<0.05). The multivariate logistic regression analysis showed that the risk of overweight/obesity in Han and Kazak children was 3.443 times (95%CI: 2.016-5.880) and 3.924 times (95%CI: 2.199-7.001), respectively, that in Uyghur children. The CNV of IRX3_1 was a risk factor for overweight/obesity (P=0.028, OR=2.251, 95%CI: 1.418-5.651). CONCLUSIONS: The CNV of IRX3_1 is associated with overweight/obesity in Han, Uyghur, and Kazak children, and the association between the CNV of IRX3_1 and overweight/obesity in Kazak children should be taken seriously.


Asunto(s)
Variaciones en el Número de Copia de ADN , Obesidad/genética , Sobrepeso/genética , Niño , Preescolar , China/etnología , Femenino , Proteínas de Homeodominio/genética , Humanos , Modelos Logísticos , Masculino , Obesidad/etiología , Sobrepeso/etiología , Factores de Riesgo , Factores de Transcripción/genética
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