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Enzyme-Linked Immunosorbent Assay01:33

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In 1971, Peter Perlman and Eva Engvall developed an Enzyme-linked immunosorbent assay (ELISA or EIA). ELISA differs from western blot in that the assays are conducted in microtiter plates or in vivo rather than on an absorbent membrane.
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen.  Enzyme-substrate reaction allows the antigen to be visualized or...
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通过氧化修饰的脂蛋白表皮质对抗抗体的开发:对氧化脂蛋白的新酶相关免疫吸收试验的评估.

S Yamada1, R Morishita, S Nakamura

  • 1Central Institute, Shino-Test Corporation, Sagamihara, Japan. RD@shino-test.co.jp

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氧化脂蛋白 (Lp) 在高血压患者中升高,在动脉样硬化组织中发现. 这一新发现表明氧化Lp (a) 在心血管疾病发展中起着关键作用.

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科学领域:

  • 心血管研究研究心血管研究
  • 生物化学 生物化学
  • 免疫学 免疫学 免疫学

背景情况:

  • 氧化脂蛋白 (Lp) 呈现出比原生脂蛋白 (Lp) 更强大的生物效应.
  • 研究氧化Lp(a) 提供了超越传统Lp(a) 研究的新见解.
  • 氧化压力与心血管疾病的发病有关.

研究的目的:

  • 开发一种检测氧化Lp的方法.
  • 研究氧化Lp (a) 在高血压和动脉样硬化中的作用.

主要方法:

  • 对氧化Lp的单克隆抗体 (161E2) 的产生.
  • 使用161E2.2.开发一种与酶相关的免疫吸收试验 (ELISA).
  • 人类动脉样硬化组织的免疫组织化学分析.

主要成果:

  • 161E2抗体特别识别了暴露在Lp (a) 氧化时的表位.
  • 在高血压患者的血清中检测到高氧化Lp (a) 的水平,与正常血压患者相比.
  • 在人类动脉样硬化组织中通过免疫染识别了氧化Lp (a).

结论:

  • 成功开发了一种新型抗体和氧化Lp (a) 的检测方法.
  • 在体内证据证实了在动脉样硬化病变中存在氧化Lp (a).
  • 在高血压患者中氧化Lp (a) 的升高表明其在心血管疾病中的重要性.