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首页> 外文期刊>Otology and neurotology: official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology >Steroid combination therapy and detoxification enzyme gene polymorphisms in sudden sensorineural hearing loss patients.
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Steroid combination therapy and detoxification enzyme gene polymorphisms in sudden sensorineural hearing loss patients.

机译:类固醇组合疗法和解毒酶基因多态性在突然的感觉听力损失患者中。

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摘要

OBJECTIVE: : The purpose of this study was to evaluate the relations among the combined therapy with steroid and the detoxification enzyme gene polymorphisms in patients with sudden sensorineural hearing loss (SSNHL). The pathogenetic mechanism of inner ear dysfunction could involve an increase in lipid peroxidation and a decrease in cellular antioxidant defense. Glutathione S-transferases (GSTs) and cytochrome P450 (CYP) belong to a system of detoxification and antioxidant enzymes that have been demonstrated in the inner ear. STUDY DESIGN: : A prospective study in patients with SSNHL. PATIENTS AND METHODS: : All 441 subjects were genotyped for GSTM1, GSTT1, and CYP1A1 polymorphisms. The polymorphisms were analyzed by polymerase chain reaction amplification, restriction enzyme digestion, and deoxyribonucleic acid fragment separation by electrophoresis. RESULTS: : No significant difference was observed between SSNHL patients and controls in 3 polymorphisms. However, the prevalence of the partial recovery group in patients with the CC genotype of CYP1A1 (22%) was higher than that in the complete recovery (7.4%) or no recovery group (12.5%) for the subjects classified according to modified Siegel's criteria but were not statistically significant. CONCLUSION: : This is the first approach to analyze gene polymorphism and efficacy of clinical treatment of patients with SSNHL, although the observations do not confirm the effect of the GSTM1/T1 and CYP1A1 genotypes as a risk factor for SSNHL.
机译:目的::这项研究的目的是评估类固醇与类固醇和解毒酶基因多态性(SSNHL)患者的关系之间的关系。内耳功能障碍的致病机制可能涉及脂质过氧化和细胞抗氧化剂防御的减少。谷胱甘肽S-转移酶(GSTS)和细胞色素P450(CYP)属于在内耳中已证明的排毒系统和抗氧化酶。研究设计::对SSNHL患者的前瞻性研究。患者和方法::所有441名受试者均针对GSTM1,GSTT1和CYP1A1多态性进行基因分型。通过聚合酶链反应放大,限制酶消化和脱氧核糖核酸酸片段通过电泳分离来分析多态性。结果:: SSNHL患者和3个多态性中的对照之间没有观察到显着差异。但是,CYP1A1 CC基因型(22%)患者的部分恢复组的患病率高于完全恢复(7.4%)或NO恢复组(12.5%)(12.5%)(12.5%),根据修改后的Siegel标准分类的受试者但在统计上并不重要。结论::这是分析SSNHL患者临床治疗基因多态性和功效的第一种方法,尽管观察结果并未确认GSTM1/T1和CYP1A1基因型的作用是SSNHL的危险因素。

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