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2型糖尿病患者血清氧化应激指标水平的改变 被引量:13

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摘要 2型糖尿病患者168名,分为长期糖尿病组,新诊糖尿病组,又分酮症组和非酮症组,设有正常对照组。测定SOD、MDA、T-ROC、GSH-PX等。结果:发现2型糖尿病人①SOD与病程、年龄、FPG、UMA、收缩压、MDA负相关;②MDA与年龄、病程、收缩压、FPG、CHO、LDL、HbA1c正相关,与UMA负相关;③GSH-PX与病程、年龄、MDA负相关,与SOD正相关;④T-AOS与年龄、病程、FPG、服75g葡萄糖2小时后血糖、血清胰岛素、HbA1c、UMA、MDA负相关,与SOD,GSH-PX正相关;⑤抗氧化比值SOD/MDA与病程、年龄、FPG、HbA1c、UMA、收缩压、MDA负相关,与SOD、GSH-PX、T-AOS正相关。正常对照组、新发糖尿病组、长期糖尿病组、T-AOS、SOD/MDA逐渐降低,MDA逐渐升高,但新发糖尿病组与正常对照组之间SOD值差异无显著性,两组均高于长期糖尿病组,甚至新发糖尿病组GSH-PX高于正常对照组,两组又高于长期糖尿病组。新发2型糖尿病患者,酮症组服75g葡萄糖2小时后血糖和HbA1c高于非酮症组,血清胰岛素和C肽水平低于非酮症组,SOD和GSH-PX高于非酮症组,MDA、T-AOS、SOD/MDA值组无差异。结论:糖尿病中抗氧化能力相对或绝对减弱,糖尿病发病初期SOD值没有下降,而是与正常相差不多,GSH-PX甚至上升,在发生酮症这种急性疾病状态时SOD、GSH-PX也是上升的,可能反映了一种代偿机制而非耗竭现象。
出处 《实用糖尿病杂志》 2006年第2期14-17,共4页 Journal of Practical Diabetology
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