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硒和谷胱甘肽过氧化物酶在癫痫病因中扮演重要角色 被引量:2

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摘要 最近研究发现,氧化应激和氧自由基的产生既是癫痫发作的原因也是癫痫发作导致继发损伤的原因。鉴于硒和硒蛋白可对抗氧化损伤并提高神经细胞的存活,研究对比癫痫和正常儿童的血清硒水平及红细胞谷胱甘肽过氧化物酶活性。对照研究居住于同一地域处于同一年龄段的53个癫痫病儿童和57个正常儿童。血清硒水平和红细胞谷胱甘肽过氧化物酶活性分别用原子吸收分光光度仪和Gayman标准谷胱甘肽过氧化物酶检测盒来测定。结果显示,患者和正常个体血清硒水平分别为(72.90±22.20)μg/L和(86.00±15.00)μg/L。红细胞谷胱甘肽过氧化物酶活性数值在患者和正常人分别为(0.441±0.264)nmol/(min.L)和(0.801±0.267)nmol/(min.L)。统计分析发现,患者硒和红细胞谷胱甘肽过氧化物酶水平较对照组显著降低。研究认为,患者血清硒和红细胞谷胱甘肽过氧化物酶活性较正常人低下,这一结果支持硒和谷胱甘肽过氧化物酶在癫痫病因中扮演重要角色这一观点。然而,红细胞谷胱甘肽过氧化物酶活性数值在硒缺乏个体并不能作为一个灵敏而特异指标来反映硒水平,所以研究者用硒检测来替代红细胞谷胱甘肽过氧化物酶活性测定。
出处 《国外医学(医学地理分册)》 CAS 2008年第3期108-110,共3页 Foreign Medical Sciences:Section of Medgeography
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