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  • Title: Effect of Interaction Between Noise and A1166C Site of AT1R Gene Polymorphism on Essential Hypertension in an Iron and Steel Enterprise Workers.
    Author: Tong J, Wang Y, Yuan J, Yang J, Wang Z, Zheng Y, Chai F, Li X.
    Journal: J Occup Environ Med; 2017 Apr; 59(4):412-416. PubMed ID: 28157766.
    Abstract:
    OBJECTIVE: This study aimed to analyze the interaction of Angiotensin II type 1 receptor (AT1R) gene polymorphism and occupational noise on the occurrence of essential hypertension (EH) in steel and iron enterprise men workers. METHODS: A case control study of 935 iron and steel enterprise men workers was conducted, which included 312 cases of hypertension and 623 cases without hypertension. The noise at the workplace was assessed. Polymorphism of AT1R of the workers was examined using polymerase chain reaction - restriction fragment length polymorphism. RESULTS: Polymorphism of AT1R (AC+CC vs. AA, odds ratio [OR] = 1.760, 95% confidence interval [CI]: 1.061∼2.920) and noise (greater than or equal to 85 dB(A),OR = 1.641, 95%CI: 1.225∼2.198) were independent determinants of EH using multivariate Logistic regression. Compared with AA carriers without noise, AC+CC interacted with noise (OR = 2.519, 95%CI: 1.254∼5.062) based on the multiplied model. CONCLUSIONS: AC+CC genotype of AT1R and noise were the risky factors of EH. These factors also interacted with each other.
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