Ox-LDL促进Aβ产生的实验研究及其临床意义附视频

被引:1
作者
刘江红
黎健
许贤豪
张华
国红
王红
殷剑
张星虎
乔立艳
魏雪飞
矫毓娟
文诗广
侯世芳
耿莹
机构
[1] 中国协和医科大学
[2] 卫生部北京医院
[3] 北京天坛医院神经内科
关键词
细胞培养; 动脉粥样硬化; 老年性痴呆;
D O I
暂无
中图分类号
R363 [病理生理学];
学科分类号
摘要
目的 探讨氧化型低密度脂蛋白 (Ox-LDL)能否促进 β淀粉样蛋白 (Aβ)产生。方法 应用体外细胞培养和免疫荧光流式细胞术以及反转录 PCR方法 ,检测经 Ox-LDL处理的平滑肌细胞 (SMC) Aβ的产生及β淀粉样蛋白前体 (APP)基因水平。结果 经 Ox-LDL 处理的 SMC Aβ1 -40较对照组明显增高 ,分别为 88.3 0 %和2 .1 6% ;Aβ1 -42也较对照组明显增高 ,分别为 95 .3 0 %和 2 .5 1 %。结论 Ox-LDL促进 Aβ产生。
引用
收藏
页码:35 / 38
页数:4
相关论文
共 9 条
  • [1] Mechanisms underlying the vascular activity of beta-amyloid protein fragment[beta A (4) 25-35] at the level of skin microvasculature. Khalil Z,Chen H,Helme RD. Brain Research . 1996
  • [2] Association of human, rat , and rabbit apolipoprotein E with -amyloid. LaDu MJ,Lukens JR,Reardon CA,et al. Journal of Neuroscience Research . 1997
  • [3] Endothelial cell dysfunction in response to intracellular overexpression of amyloid precursor protein. Jahoudi N,Kitney J,Greenberger JS,et al. Journal of Neuroscience Research . 1998
  • [4] Amyloid peptide induces cell monolayer albumin permeability,impairs glucose transport , and induces apoptosis in vascular endothelial cells. Blanc EM,Toborek M,Mark RJ,et al. Journal of Neurochemistry . 1997
  • [5] Expression in brain of amyloid precursor protein mutated in the alpha-secretase site causes disturbed behavior ,neuronal degeneration and premature death in transgenic mice. Moechars D,Lorent K,De Strooper B,et al. EMBO Journal . 1996
  • [6] Superoxide free radical and intracellular calcium mediate A beta(1-42)induced endothelial toxicity. Suo Z,Fang C,Crawford F,et al. Brain Research . 1997
  • [7] Alzheimer’ s disease: a cell biological perspective. Kosik KS. Science . 1992
  • [8] Rapid degeneration of cultured human brain pericytes by amyloid beta protein. Verbeek MM,De Waal RM,Schipper JJ,et al. Journal of Neurochemistry . 1997
  • [9] Biochemical structural and functional properties of oxidized low density lipoprotein. Esterbuauer H. Chemical Research in Toxicology . 1990