太子细胞与维持正常和病态大动脉中的血管平衡有关吗?
Luciano Figueiredo Borges1, Rafael Souza Pereira Falcão2, Sebastião Roberto Taboga3
1Morphophysiology & Pathology Sector, Biological Sciences Department, Federal University of São Paulo, Diadema, SP, Brazil.
概括
人类大动脉中确诊了白细胞 (TCs). 在患病的大动脉中,TC与干细胞相互作用,这表明它在血管修复和平衡中发挥作用.
科学领域:
- 血管生物学 血管生物学
- 细胞生物学 细胞生物学
- 连接组织研究 连接组织研究
背景情况:
- 太阳细胞 (TCs) 是最近发现的一种具有独特形态的间歇性细胞类型 (小细胞体,长太阳足).
- 在各种器官和连接组织中发现TC,通常在小血管附近.
- 它们在大动脉 (如大动脉) 中的存在和功能在很大程度上仍未被探索.
研究的目的:
- 在正常和患病的人类胸腔大动脉中调查三细胞 (TC) 的存在和分布.
- 描述TC与大动脉层和血管病理学有关的位置.
- 在大动脉疾病的背景下,探索TC和干细胞之间的潜在相互作用.
主要方法:
- 使用传输电子显微镜 (TEM) 进行超结构分析.
- 采用免疫光技术来识别三细胞 (TCs).
- 从正常的人类胸前动脉和受动脉瘤或急性解剖 (TAAD) 影响的组织样本进行了检查.
主要成果:
- 在正常和患病的人类胸前动脉中都发现了白细胞 (TC).
- 在正常的大动脉中,TC位于前进细胞,形成一个与弹性板状平行的3D网络.
- 在TAAD主动脉中,在介质和新血管化的区域发现了TC,与干细胞和血管原生细胞有着显著的接触.
结论:
- 形态学证据表明,人体大动脉中存在着三细胞细胞 (TCs).
- TCs在患病的大动脉中表现出改变的分布 (TAAD),可能会迁移到介质中.
- 观察到的TC和干细胞之间的相互作用表明,在病理性损伤期间,在维持血管平衡中可能发挥作用.
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