在自身免疫,肺和系统的内皮功能障碍以及在SARS-CoV-2感染后的运动耐受性
Sabyasachi Sen1,2, Shikha Khosla1,2, Omar Awan3,4
1Division of Endocrinology, Department of Medicine, Veterans Affairs Medical Center, Washington, DC, United States.
Frontiers in medicine
|August 14, 2023
概括
长期COVID,在SARS-CoV-2感染后持续的症状,可能源于T细胞激活和内皮功能障碍. 这些问题可能会导致血管功能障碍并影响氧气使用,导致运动不耐受.
科学领域:
- 免疫学 免疫学 免疫学
- 病理生理学 病理生理学
- 血管生物学 血管生物学
背景情况:
- 长期COVID涉及SARS-CoV-2感染后的持续症状 (≥2个月),其他诊断无法解释.
- 潜在的机制包括自主功能障碍,免疫系统激活,内皮损伤和高凝血.
- 了解长期COVID的病理生理学仍然是公共卫生的优先事项.
研究的目的:
- 审查SARS-CoV-2对T细胞激活和自身免疫反应的长期影响.
- 在长期COVID中探索内皮细胞功能障碍和血管损伤.
- 阐明血管异常,氧气提取受损和运动不耐受之间的联系.
主要方法:
- 对有关SARS-CoV-2感染及其长期后果的现有文献进行叙述性审查.
- 对研究T细胞激活,自身免疫现象和内皮功能的研究进行分析.
- 检查血管架构,氧气利用和运动能力的研究.
主要成果:
- 感染SARS-CoV-2可以触发T细胞激活,可能导致自身免疫性疾病.
- 内皮细胞功能障碍是长期COVID的重要因素,导致肺和系统的血管功能障碍.
- 血管异常有助于减少外围氧气提取,表现为运动不耐受.
结论:
- 长期COVID病理生理学涉及免疫和血管系统之间的复杂相互作用.
- 内皮功能障碍和相关的血管功能障碍是导致炼不耐受等持续症状的关键因素.
- 需要进一步的研究来充分理解和管理长期COVID并发症.
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