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相关实验视频

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Author Spotlight: High-Sensitivity Tissue Factor Activity Assay for Plasma Diagnosis
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组织因子-原酶复合体:细胞内非血静效应.

Shorook Ghanem1, Anat Keren-Politansky2, Victoria Kaplan1

  • 1Thrombosis and Hemostasis Unit, The Rappaport Faculty of Medicine, Rambam Health Care Campus, Technion, Haifa, Israel.

Research and practice in thrombosis and haemostasis
|September 28, 2023
PubMed
概括

肝酶血凝剂域通过与组织因子 (TF) 相互作用,促进癌症的进展,影响细胞增殖和肝酶释放. 这种相互作用突显出血静与癌症之间的联系.

关键词:
肝酶的使用方法瘤过程中的瘤过程.接收器 接收器 接收器接收器组织因子是组织因子.组织因子通路抑制剂

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科学领域:

  • 生物化学 生物化学
  • 分子生物学分子生物学
  • 在瘤学瘤学.

背景情况:

  • 肝酶与血管生成,癌症进展和炎症有关.
  • 肝酶通过其前凝性域与组织因子 (TF) 形成复合体,增强静血系统.

研究的目的:

  • 为了研究肝激酶前凝血剂域的非血静作用.
  • 探索肝酶和组织因子在细胞过程中的相互作用.

主要方法:

  • 使用的是从肝激酶血凝剂域 (16和16AC) 中衍生出来的.
  • 采用了XTT扩散测定,西部斑分析和体外免疫染.
  • 在人类瘤细胞系 (U87,T47D,MCF-7) 和内皮细胞中研究的影响.
  • 使用小鼠伤口愈合模型来评估体内效应.
  • 检查的细胞过度表达全长TF或没有细胞质域的TF.

主要成果:

  • 益血凝固增加了增殖和肝酶的释放.
  • 观察到肝酶,TF,组织因子通路抑制剂 (TFPI) 和TFPI-2的升调.
  • 一个TFPI-2衍生的抑制了肝激酶前凝固剂域-TF复合体,扭转了效果.
  • 氨酸模仿了一些效应,而肝酶前凝血域则调解了增殖.
  • 在体内,益血凝固在愈合的皮肤伤口中增加了肝激酶,TF,TFPI和TFPI-2水平.
  • 通过TF进行的细胞内信号传输由其促血凝固域介导.

结论:

  • 肝激素的血凝前作用域通过TF诱导非血静效应.
  • TF作为肝酶的受体,强调了血液静止与癌症进展之间的联系.