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相关概念视频

Structure and Function of Platelets01:18

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The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
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The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
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相关实验视频

Updated: Jul 9, 2025

Megakaryocyte Differentiation and Platelet Formation from Human Cord Blood-derived CD34+ Cells
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由瘤形成的血小板.

Sajad Najafi1, Yahya Asemani2, Jamal Majidpoor3

  • 1Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Clinica chimica acta; international journal of clinical chemistry
|December 6, 2023
PubMed
概括
此摘要是机器生成的。

血小板与癌细胞相互作用,成为瘤培养血小板 (TEPs). 这些TEP可以作为血基生物标志物用于癌症预后和治疗监测,提供一种最小侵入性的方法.

关键词:
生物标志物生物标志物癌症 癌症 癌症 癌症循环瘤细胞 (CTC) 是一种循环瘤细胞.液体活检液体活检瘤培养血小板 (TEP) 是一种

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科学领域:

  • 在瘤学瘤学.
  • 血液学 血液学 血液学
  • 生物标志物发现发现

背景情况:

  • 血小板,传统上以静血和凝血而闻名,越来越多地被认为在癌症中的作用.
  • 血小板与瘤微环境中的癌细胞相互作用,经历了显著的分子和功能变化.
  • 这些改变的血小板,称为瘤形成的血小板 (TEPs),在全身循环,并影响瘤的进展.

研究的目的:

  • 提供瘤形成血小板 (TEP) 的概述.
  • 探索TEPs作为血液基生物标志物在癌症管理中的潜力.
  • 在癌症预后和治疗的背景下讨论TEP的好处和局限性.

主要方法:

  • 对有关血小板与癌细胞相互作用的现有文献的综述.
  • 分析瘤微环境中的血小板的分子和功能变化.
  • 作为用于癌症检测和监测的液体活检的组成部分,对TEP的评估.

主要成果:

  • 血小板癌细胞相互作用导致血小板的"教育",改变它们的分子组成.
  • TEPs在粘附分子,糖蛋白,核酸和蛋白质中表现出变化.
  • TEPs在促进瘤生长和转移方面发挥着作用.

结论:

  • 血小板状况,特别是TEPs,代表了癌症的有希望的基于血液的生物标志物.
  • TEP 具有预测癌症患者的预后和治疗成功的潜力.
  • TEPs是液体活检的宝贵组成部分,为癌症管理提供了最少的侵入性方法.