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ÖÐͼ·ÖÀàºÅ£ºR544.1;Q47;Q756 ÎÄÏ×±êʶÂ룺A ÎÄÕ±àºÅ£º1006-2866(2000)06-0129-03
Comparison of ACE Gene Insertion/Deletion(I/D) Polymorphism in Patients with Different Degree of Obstructive Sleep Apnea and Hypertension
ZHANG Jian, YE Jue, PEI Wei-dong, et al
(Cardiovascular Institute & Fu Wai Heart Hospital, PUMC & CAMS Beijing 100037,China)
ABSTRACT Objective:To compare the polymorphism of angiotensin convert enzyme(ACE) gene insertion/deletion(I/D) in the patients with different degree ofobstructive sleep apnea(OSA).
Methods:Case-control design.(1)The subjects were divided into four groups depending on the severity of the OSA, normal control group(n=68), HT group(n=45), HT with mild OSA group(n=27), HT with moderate and severe OSA group(n=31),174 subjects in total;(2)Analyzing distribution of ACE gene I/D allele and genotypes in a OSA family.
Results: We found that the frequency of ACE gene I/D allele and genotypes were different in the four groups(P£¼0.001). The frequency of I allele and II genotype is significantly higher in the HT with moderate and severe OSA group than that of the other groups(P£¼0.001). There were no significant differences of the distribution of I allele and II genotype among the control group, the HT group and HT with mild OSA group;(3)The higher frequency of I allele and II genotype was observed in the OSA family also.
Conclusion:The frequency of ACE gene I allele and II genotype were significantly related to HT with OSA patients, and inherited factors may played an important role in the etiology of OSA.
Key Words:ACE gene I/D polymorphism; Obstructive sleep apnea; Hypertension; Inheritance
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