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作 者:宁雅娴[1] 王俭勤[1] 王雪婷[1] 王雅[1] 舒红[1] 唐柏山[1]
出 处:《国际泌尿系统杂志》2012年第2期172-176,共5页International Journal of Urology and Nephrology
摘 要:目的探讨黄芪单体毛蕊异黄酮对TNF—α诱导的人脐静脉内皮细胞(ECV-304)的一氧化氮(NO)、内皮素-1(ET-1)的影响。方法用DMEM培养液在37℃、5%CO2条件下对ECV304细胞株进行扩增至足够数量后,调细胞密度为1×10^5,并分为7组:A组:空白组,不加任何诱导剂;B组:TNF—α(40ng/ml)诱导组;C组:TNF—α(40ng/m1)+氯沙坦钾(105mol/1);D组:TNF—α(40ng/m1)+毛蕊异黄酮(0.1mg/ml);E组:TNF—α(40ng/ml)+毛蕊异黄酮(1mg/ml);F组:TNF—α(40ng/ml)+毛蕊异黄酮(10mg/ml);G组:TNF—α(40ng/ml)+毛蕊异黄酮(20mg/ml)。分别于孵育6小时、24小时后时收集上清液,用ELISA检测上清液中一氧化氮(NO)、内皮素1(ET-1)的含量。结果①与空白组比较,TNF—α降低了ECV-304NO水平(P〈0.001)、提高了ET—1水平(P〈0.001);②氯沙坦钾提高了ECV-304NO水平(P〈0.001)、降低了ET—1水平(P〈0.001);③毛蕊异黄酮(0.1mg/ml~10mg/ml)能够促进ECV-304细胞NO的产生(P〈0.001)、降低ET—1的产生(P〈0.001);④氯沙坦钾和毛蕊异黄酮(20mg/ml)对ECV-304细胞ET-1和NO水平的影响无明显差异((P〉0.05);⑤毛蕊异黄酮浓度(在0.1mg/ml-20mg/ml内)与ECV-304ET—1的分泌呈负相关性(r=-0.02、P〈0.001);与ECV-304NO的分泌呈正相关性(r=0.0075、P〈0.001)。结论黄芪毛蕊异黄酮单体可以促进TNF—α诱导的内皮细胞NO分泌,抑制ET—1分泌,并在一定浓度内(0.1mg/ml-20mg/ml)呈浓度依赖性。Abstract Objectives To investigate the astragalus calycosin monomer TNF - α induced human umbilical vein endothelial cells ( ECV - 304) of nitric oxide ( NO), endothelin - 1 ( ET - 1 ) effects. Methods DMEM culture medium at 37 ℃, 5% CO2 conditions on the ECV304 cell line was amplified to a sufficient number, the adjnsted cell density of 1 × 105, and divided into 7 groups: A group: control group, without any inducer; B group: TNF-α (40ng/ml) induced group; C group: TNF-α (40ng/ml) + losattan (10 -5mol/l) ; D group: TNF-α (40rig / ml) + calycosin (0. lmg/ml) ; E group: TNF -α (40ng/ml) + calycesin (lmg/ml) ; F group: TNF - α (40ng/ml) + calycesin (10mg/ml) ; G group: TNF -α (40ng/ml) + ealycasin (20mg/ml). Were incubated for 6 hours, supernatant was collected after 24 hours, the supernatant by ELISA detection of nitric oxide (NO), endothelin 1 ( ET - 1 ) levels. Results (1) compared with the eoutrol group, TNF -αreduced the ECV - 304 NO levels ( P 〈0.001), increased ET-1 levels( P 〈0.001) ; (2) losartan increased ECV -304 NO levels( P 〈0. 001), reduced the ET-1 levels( P 〈0.001) ; (3) calycesin (0. 1 mg/ml - 10mg/ml) ECV -304 cells can promote NO production( P 〈0.001 ), reduced ET-I production( P 〈0.001 ) ; (4) losartan potassium and calycesin (20mg/ml) ECV -304 ceils for ET- 1 and NO levels not significantly different( P 〉0.05) ; (5) calyeesin eoncentratiou ( at 0.1 rag / ml -20mg/ml inside) and ECV -304 ET - 1 secretion was negatively correlated ( r = - O. 02, P 〈0.001) ; and ECV -304 NO secretion was positively correlated (r = 0.0075, P 〈0.001). Conclusions Astragalus calycosin monomer can promote TNF - α induced endothelial cell NO secretion, inhibition of ET- 1 secretion, and within a certain concentration (0.1 mg/ ml - 20mg/ml) in a concentration dependent mannet.
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