山楂叶总黄酮对缺氧人脐静脉内皮细胞细胞毒、NO和Ca2+水平的调控作用(英文)

被引:8
作者
兰文军
葛亚坤
郑筱祥
机构
[1] 浙江大学(玉泉校区)生仪学院浙江杭州
关键词
山楂叶总黄酮; 脐静脉; 内皮细胞; 细胞毒性; NO; Ca2+;
D O I
10.16289/j.cnki.1002-0837.2005.03.001
中图分类号
R859 [航空航天药理学];
学科分类号
摘要
目的为探讨山楂叶总黄酮(HLF,w/w,80%flavonoids)抗血栓的潜能,研究了山楂叶总黄酮对缺氧人脐静脉内皮细胞的调控作用。方法应用流式细胞技术,检测了内皮细胞细胞毒及胞内一氧化氮水平。此外,运用激光共焦点扫描显微技术,检测了细胞内钙离子水平。结果研究数据显示,5μg/ml和10μg/ml的山楂叶总黄酮可以降低缺氧人脐静脉内皮细胞的细胞毒水平(P<0.05,P<0.01)。缺氧内皮细胞内钙离子和一氧化氮的水平也能被5μg/ml(P<0.01,P<0.01)和10μg/ml(P<0.01,P<0.01)的山楂叶总黄酮显著下调。结论结果提示,山楂叶总黄酮对缺氧人脐静脉内皮细胞有保护作用,且下调细胞内钙离子和一氧化氮的水平可能是这种保护作用的机制之一。
引用
收藏
页码:157 / 160
页数:4
相关论文
共 8 条
  • [1] Mecha nismsofhypoxia inducedendothelialcelldeath.Roleof p53inapoptosis. Stempien OteroA,KarsanA,CornejoCJ,etal. Journal of Biochemistry . 1999
  • [2] Structure activityrelationshipsofquercetininantagonizinghydrogenperoxide inducedcal ciumdysregulationinPC12cells. HongW,JamesAJ. FreeRadicalBiolo gy&Medicine . 1999
  • [3] In vitro and in vivo investigations on the card io-protective e ffects o f o ligom e ric procyan id ins in a C rataegus extract from leaves and flow e rs. Chatte rjee SS,Koch E,Jaggy H,et al. A rzne im itte lfo rschung . 1997
  • [4] S im u ltaneous detection o f NO S-3 prote in express ion and n itric oxide production us ing a flow cytom ete r. Havenga M JE,VanDam B,G root BS,et al. Analytical Biochemistry . 2001
  • [5] N itric oxide: cytotoxic ity ve rsus cytoprotection-how, w hy, w hen, and w he re. K roncke KD,Fehse lK,Ko lb BV. N ITR IC OX IDE: B io logy and Chem istry . 1997
  • [6] Endothe lial ce ll responses to hypoxia: in itiation o f a cascade o f ce llu lar in te ractions. Carine M,Th ie rry A,Jose R. B ioch im ica et B iophys ica Acta . 2000
  • [7] H um an um b ilical ve in endothe lial ce lls (HUVECs) show Ca2 + m ob ilization as w e llas Ca2 + in flux upon hypoxia. Yasuh isa A,H ideo A,M asato S,et al. Jou rnalo f Ce llular B iochem istry . 2000
  • [8] Aflowcytometry basedassayforquantitativeanalysisofcellularprolifera tionandcytotoxicityinvitro. WANGYanyi,ZHANGXiaoxiang. JournalofImmunologi calMethods . 2002