病毒诱导的内皮衰老是ME/CFS和长期COVID的原因和驱动因素:由功能障碍的免疫系统介导
Massimo Nunes1, Loren Kell2, Anouk Slaghekke3
1Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa. mnunes@sun.ac.za.
内皮细胞功能障碍和衰老可能解释肌痛性脑筋炎/慢性疲劳综合征 (ME/CFS) 和长期COVID的症状. 这种机制涉及免疫异常,为这些后病毒性疾病提供了洞察力.
科学领域:
- 免疫学 免疫学 免疫学
- 病理学 病理学 病理学
- 心血管生物学 心血管生物学
背景情况:
- 肌痛性脑筋炎/慢性疲劳综合征 (ME/CFS) 和长期COVID是具有重叠症状和病理生理学的衰弱性后病毒性疾病.
- 目前对于ME/CFS和长期COVID缺乏对疾病诱导和持续的明确机制理解.
- 这种知识差距阻碍了对这些疾病的有效生物标志物和治疗方法的开发.
研究的目的:
- 为ME/CFS和长期COVID提出一个统一的机制解释.
- 调查内皮功能障碍和衰老在这些后病毒性疾病的发病过程中的作用.
- 将内皮细胞变化与ME/CFS和长期COVID中观察到的特定症状和多系统参与联系起来.
主要方法:
- 该研究提出了基于现有文献和生物可信性的理论框架.
- 它假设内皮衰老相关的分泌表型 (SASP) 在疾病维持中的作用.
- 它将免疫异常与内皮衰老的持久性联系在一起.
主要成果:
- 急性病毒感染可能导致内皮功能障碍和衰老,特别是影响血脑屏障,大脑动脉,胃肠道和骨肌肉.
- 这种SASP有助于促炎,促氧化和促凝的状态,损害组织修复和调节炎症.
- 免疫异常使内皮衰老延续,解释了ME/CFS和长期COVID的慢性和多系统症状,包括疲劳和认知功能障碍.
结论:
- 内皮细胞功能障碍和衰老被认为是ME/CFS和长期COVID的核心病因因素.
- 这种机制解释了这些后病毒性疾病的共同症状,多系统参与和慢性持续性.
- 认识到内皮质的作用对于开发有针对性的生物标志物和有效的治疗策略至关重要.
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