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人类和猪大动脉的内皮和间皮细胞隔离和表征
1Heart Center Bonn, Molecular Cardiology, Department of Internal Medicine II, University Hospital Bonn, Bonn, Germany.
Frontiers in cardiovascular medicine
|July 6, 2023
概括
这项研究开发了一种方法来分离人类和猪的大动脉膜细胞. 猪细胞与人类细胞具有类似的化潜力,这表明它们可以作为研究大动脉狭窄症的替代模型.
科学领域:
- 心血管生物学 心血管生物学
- 细胞生物学 细胞生物学
- 翻译医学是一种翻译医学.
背景情况:
- 状大动脉狭窄症 (AVS) 涉及大动脉 (AV) 的病理变化,主要影响间歇细胞 (VIC) 和内皮细胞 (VEC).
- 了解AVS细胞和分子机制对于开发药理疗法至关重要.
研究的目的:
- 介绍一种用于隔离特定人类和猪VIC和VEC种群的新技术.
- 为了首次比较人类和猪的VIC和VEC.
- 为AVS研究建立可复制的细胞分离方法.
主要方法:
- 从外科实验体和猪心脏中分离人类和猪的AV细胞.
- 在人体VEC (hVEC) 中体内诱导内皮细胞转变为介质细胞 (EndMT).
- 在体外化测定两种物种的VIC.
主要成果:
- 分离的人类VIC和VEC分别表现出明显的介质细胞和内皮细胞基因特征.
- hVECs 显示出 EndMT 潜力,其中介质细胞标记物增加,内皮细胞标记物减少.
- 两种物种的VIC都显示出化标志物上调和可见的化沉积物在亲化介质化后.
结论:
- 建立了一种可复制的技术来隔离人类和猪的VIC和VEC.
- 猪主动脉细胞表现出类似于人类细胞的化特征.
- 在人体组织稀缺的情况下,猪细胞代表了AVS研究的可行替代模型.
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