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  • Title: [The relationship between angiotensin II type 1 receptor gene and coronary heart disease, hypertension and diabetes mellitus in Chinese].
    Author: Xiang K, Zheng T, Sun D, Li J.
    Journal: Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 1998 Feb 10; 15(1):9-12. PubMed ID: 9456365.
    Abstract:
    OBJECTIVE: To ascertain whether the angiotensin II type 1 receptor (AGTR1) gene is associated with coronary heart disease (CHD), hypertension (HTN) and non-insulin-dependent diabetes mellitus (NIDDM) in Chinese and to observe the interaction of AGTR1 gene and angiotensin I converting enzyme(ACE) gene to the development of the associated disease in Chinese. METHODS: 270 cases of Chinese with CHD, HTN or NIDDM in single or in different combinations were genotyped for the A1166C variation at the 3'-untranslated region of AGTR1 gene by using PCR/Dde I restriction endonuclease digestion. And also, the insertion/deletion polymorphism at the intron 16 of ACE gene was typed by PCR. RESULTS: (1) AGTR1 gene was associated with CHD (logistic regression analysis, P=0.02), but not with HTN and NIDDM; (2) The attributable risk of AGTR1 gene for CHD was 12.5% and the odds ratio was 4.55. Both AGTR1 gene and ACE gene were independent variation factors for CHD (P=0.032 and P=0.002 respectively); (3) The contribution of AGTR1 gene to the development of CHD was independent of total body adiposity, blood lipid profile and blood pressure; (4) The analysis of individual combined genotypes of AGTR1 gene and ACE gene showed significant difference in frequency distribution between patients with CHD and controls. CONCLUSION: AGTR1 gene contributes to the development of CHD and is an independent risk factor for CHD in Chinese.
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