结核病颗粒瘤中纤维化特征的自动定量检测
Li Song1,2,3,4, Ding Zhang1,2,3,4, Hankun Wang1,2,3,4
1The First College of Clinical Medical Science, China Three Gorges University, Yichang, China.
Frontiers in microbiology
|January 18, 2024
概括
结核颗粒瘤具有短而厚的原纤维,与健康组织中的原不同. 先进的成像技术揭示了这些纤维化特征,对于了解疾病至关重要.
科学领域:
- 病理学 病理学 病理学
- 显微镜的使用方法
- 生物材料是一种生物材料.
背景情况:
- 颗粒瘤是Mycobacterium结核病 (Mtb) 感染的关键,通常以状结构呈现,中心亡和周围纤维化.
- 纤维化是颗粒瘤的重要建筑特征,但其详细特征仍未得到充分研究.
研究的目的:
- 用先进的成像技术来描述结核病颗粒瘤中纤维化的详细参数.
- 将颗粒瘤中的原蛋白结构与匹配的健康组织中的原蛋白结构进行比较.
主要方法:
- 从16种器官类型的结核病患者和感染mtb的海身上采集了样本.
- 使用第二波生成 (SHG) /两光子激发光 (TPEF) 显微镜进行无污染的自动化原体分析.
- 进行了马森的三色染色,并分析了矩阵金属蛋白酶-9的表达.
主要成果:
- 结核颗粒瘤表现出不同程度的纤维化,聚合原的比例较高 (4%13%),相比散布原 (2%5%).
- 颗粒瘤中的聚合原通常形成短而厚的集 (200620微米),与匹配组织中的散布原不同.
- 矩阵金属蛋白酶-9在不同组织中的颗粒瘤内表达高.
结论:
- 结核颗粒瘤的特点是短,厚的原体结构,表明特定的纤维化模式.
- SHG成像是一种有价值的工具,可以揭示结核病颗粒体内的独特纤维化特征.
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