弥合先天性和适应性免疫:理解和准GVHD病原和治疗中的补充系统
Xianhui Wu1, Jiejing Qian1, Hongyan Tong1
1Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Zhejiang Provincial Clinical Research Center for Hematological disorders, Hangzhou, China; Zhejiang Key Laboratory for Precision Diagnosis and Treatment of Hematological Maligancies, Hangzhou, China; Zhejiang University Cancer Center, Zhejiang University, Hangzhou, China.
干细胞移植后的移植对宿主疾病 (GVHD) 存在风险,但补充系统是新的目标. 补充向治疗对更有效,更安全地管理GVHD有希望.
科学领域:
- 免疫学 免疫学 免疫学
- 血液学 血液学 血液学
- 移植医学 移植医学
背景情况:
- 全基血造干细胞移植 (allo-HSCT) 对高风险的血液性恶性瘤具有治愈作用,但受移植对宿主疾病 (GVHD) 的限制.
- 目前的GVHD治疗方法 (葡萄糖皮质类药物,免疫抑制剂) 对30-50%的患者来说不足,需要新的治疗策略.
- 补体系统是天生的免疫的一部分,越来越多地被认为是GVHD期间适应性免疫反应的关键参与者.
研究的目的:
- 审查补充系统在GVHD病变发生过程中的作用.
- 探索将补充物与T/B细胞激活和器官损伤联系起来的分子机制.
- 讨论补充向GVHD疗法的临床前进展.
主要方法:
- 文献综述侧重于补充系统在GVHD中的参与.
- 分子通路的分析,包括C3a/C5a-C3aR/C5aR信号传输.
- 检查关于补充向治疗策略的临床前数据.
主要成果:
- 补体级联,特别是C3a/C5a信号,通过促进Th1/Th17反应和损害调节性T细胞 (Tregs) 来加剧GVHD.
- 补充成分影响T和B细胞激活,有助于GVHD的位器官损伤.
- 临床前研究表明,用于GVHD管理的补充向疗法的潜力.
结论:
- 补体系统是GVHD免疫失调的关键调节器.
- 准补充系统为开发更安全,更有效的GVHD治疗提供了一个有希望的途径.
- 开发辅助导向疗法可能会导致个性化的GVHD管理策略.
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