骨髓形成是暂时动态的,并受到生活方式的调节,以修改多发性硬化症
Abi G Yates1,2,3, Annie Khamhoung1,2,3, Lena Gaebel1,2,3
1Cardiovascular Research Institute and the Department of Medicine, Cardiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Nature communications
|April 17, 2025
概括
骨髓形成,或骨髓状细胞的产生,随着多发性硬化症 (MS) 疾病的阶段而波动. 睡眠不足和饮食不良等生活方式因素通过影响M-CSF驱动的骨髓形成来影响MS严重程度.
科学领域:
- 神经免疫学 神经免疫学
- 血液学 血液学 血液学
- 代谢综合征是代谢综合征的一种.
背景情况:
- 骨髓状细胞,包括单细胞和中性粒细胞,都与多发性硬化症 (MS) 的发病有关.
- 在MS的不同阶段,骨髓形成 (骨髓状细胞的产生) 的动态变化仍然不太清楚.
研究的目的:
- 研究骨髓形成的特定阶段动态,与MS中的生活方式因素和神经炎症相关.
- 为了阐明M-CSF在调节骨髓形成和疾病严重性的作用,在MS的实验性自身免疫脑膜炎 (EAE) 模型中.
主要方法:
- 利用复发性缓解性EAE (RR-EAE) 和渐进性EAE (P-EAE) 的小鼠模型来研究股骨,脊椎和骨中的骨髓形成.
- 研究了生活方式因素 (睡眠障碍,高脂血症,心脏代谢综合征) 对骨髓形成和EAE进展的影响.
- 研究了M-CSF封锁和地中海饮食干预措施对骨髓形成和MS类症状的影响.
主要成果:
- 在RR-EAE中,在疾病发作之前和缓解期间,骨髓形成升高,在峰值神经炎症之前.
- 在P-EAE中,脊椎骨髓形成稳步增加,而大腿骨和骨骨髓形成显示早期升高,随后下降.
- 睡眠障碍和心脏代谢综合征通过增加M-CSF和骨髓形成而加剧P-EAE;M-CSF阻塞改善了症状.
- 地中海饮食减少了骨髓构成活性,并在之前的MS试验中改善了临床结果.
结论:
- 多发性硬化症的骨髓形成是动态的,根据疾病阶段和解剖位置而异.
- 生活方式因素通过调节M-CSF介导的骨髓形成,显著影响MS的进展.
- 针对M-CSF驱动的骨髓形成是一种潜在的治疗策略,用于管理MS.
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