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维生素E对膀胱出口部分梗阻后膀胱功能的保护作用 被引量:2

Effect of vitamin E on detrusor protection in BOO rabbits
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摘要 目的探讨维生素E对兔膀胱出口部分梗阻引起膀胱功能改变的保护作用。方法新西兰雄兔28只随机分为A组6只、B组6只、C组8只、D组8只,A、B、C组正常饮食,D组每日给予维生素E600mg,4周后B组建立假手术模型,C、D组建立膀胱出口部分梗阻模型。术后4周各组进行尿动力学检查、膀胱称重、RT-PCR检测膀胱组织肌质网钙泵蛋白(SERCA2)mRNA水平、Westernblot检测SERCA2和肌动蛋白表达水平。结果正常A组和假手术B组各项参数比较差异均无统计学意义,合并为对照组(A+B组)。膀胱重量C组为(13.07±1.71)g、D组为(11.80±2.01)g,约为对照组(2.81±0.30)g的4倍(P<0.01)。尿动力学检查最大逼尿肌压力D组为(37.38±4.04)cmH2O,大于C组的(24.13±4.54)cmH2O和对照组的(22.70±1.89)cmH2O(P<0.05);膀胱容量D组为(83.00±13.05)ml、对照组为(67.00±7.22)ml,均大于C组的(45.13±6.63)ml(P<0.05);膀胱顺应性D组为(8.18±1.95)ml/cmH2O、对照组为(6.67±0.90)ml/cmH2O,均好于C组(3.35±0.68)ml/cmH2O(P<0.05);SERCA2mRNA表达D组为1.45±0.16、对照组为1.41±0.05,高于C组的0.97±0.11(P<0.05);SERCA2蛋白表达D组为1.90±0.19、对照组为2.18±0.23,高于C组的1.35±0.16(P<0.05);而三组肌动蛋白表达差异无统计学意义。结论预先服用维生素E可以提高梗阻后SERCA2基因转录和表达水平,可能是保护膀胱功能的机制之一。 Objective To explore the protective effect of vitamin E on the rabbit bladder after partial outlet obstruction artificially setup. Methods A total of 28 New Zealand white male rabbits were divided into 4 groups (group A in 6,group B in 6,group C in 8 and group D in 8).Group A,B and C were fed a regular diet,and group D were placed on a diet enriched with 600 mg vitamin E.After 4 weeks partial outlet obstruction was created in groups C and D,while group B underwent sham operation. After 4 weeks of obstructio...
出处 《中华泌尿外科杂志》 CAS CSCD 北大核心 2006年第S1期96-99,共4页 Chinese Journal of Urology
基金 国家自然科学基金资助项目(30371421)
关键词 膀胱出口梗阻 膀胱功能 维生素E 肌质网钙泵蛋白 Bladder outlet obstruction Bladder function Vitamin E Sarcoplasmic endoplasmic reticulum calcium magnesium adenosine triphosphatase (SERCA2)
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