儿童的COVID-19:分子概况和病理特征
Ruslan A Nasyrov1, Dmitry O Ivanov1, Olga L Krasnogorskaya1
1The Prof. D.D. Lohov Department of Pathological Anatomy with Course of Forensic Medicine, Saint Petersburg State Pediatric Medical University Ministry of Public Health Care of the Russian Federation, St. Litovskaya, 2, 194100 St. Petersburg, Russia.
儿科COVID-19 (冠状病毒疾病2019) 可能严重. 这项研究揭示了儿童的肺病理,重点关注内皮细胞损伤和亡,这对于了解疾病进展和开发疗法至关重要.
科学领域:
- 儿科病理学 儿科病理学
- 传染性疾病 传染性疾病
- 细胞生物学 细胞生物学
背景情况:
- COVID-19 (2019年冠状病毒疾病) 仍然是儿童的担忧,可能导致严重后果.
- 关于儿科COVID-19病理形态的研究有限,这阻碍了对疾病机制的理解.
- 内皮功能障碍与严重的COVID-19有关,但儿科专用数据很少.
研究的目的:
- 确定儿童COVID-19肺部参与的形态特征.
- 为了评估COVID-19儿童的病毒与宿主相互作用.
- 调查内皮细胞和亡在儿科COVID-19病变发生中的作用.
主要方法:
- 对三名死于COVID-19的儿童的肺组织进行了组织病理学和免疫组织化学分析.
- 与临床,实验室和SARS-CoV-2 PCR (聚合酶链反应) 数据的相关性.
- 在不同疾病阶段 (5,21和50天) 检查肺样本.
主要成果:
- 在不同疾病阶段观察到的主要呼吸器官参与.
- 在所有病例中都一致发现内皮细胞参与微循环血管.
- 鉴定出亡是病毒与宿主相互作用的重要结果,导致内皮细胞的破坏.
结论:
- 内皮细胞损伤和亡是儿科COVID-19肺病理学的关键特征.
- 了解这些机制对于分析儿童和成人的COVID-19病原体至关重要.
- 研究结果表明,有可能开发内皮保护性疗法,以预防传播性血管内凝血综合征等并发症.
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