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训练有素的免疫力通过促进协纤维细胞铁细胞抵抗来加剧炎症性关节炎的进展
Haibo Su1, Baoying Zhang1, Qiudi Deng1
1Department of Critical Care Medicine, GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macao Joint Laboratory for Cell Fate Regulation and Diseases, State Key Laboratory of Respiratory Disease, Guangzhou Key Laboratory of Prevention and Treatment of Multiple Organ Dysfunction Syndrome, the Second Affiliated Hospital, Guangzhou Medical University, Dongfengxi Road 195, Guangzhou, Guangdong, 510260, China.
训练有素的免疫力,由β-葡萄糖驱动,通过重编程巨细胞,恶化炎症性关节炎. 用iFSP1和雷莫德林准训练免疫力,为关节炎提供了一个新的治疗策略.
科学领域:
- 免疫学 免疫学 免疫学
- 炎症生物学 炎症生物学
- 关节炎研究 关节炎研究
背景情况:
- 训练有素的免疫力,是一种天生的免疫记忆形式,可以导致高炎症.
- 炎症性关节炎与训练有素的免疫力具有共同的特征,具有潜在的环境触发因素,如β-葡萄糖.
- 训练有素免疫在炎症性关节炎进展中的作用尚不清楚.
研究的目的:
- 调查训练免疫对炎症性关节炎的贡献.
- 探索受过训练的免疫力影响关节炎发病的机制.
- 评估针对关节炎中训练免疫力的治疗策略.
主要方法:
- 试验性训练免疫的诱导使用β-葡萄糖在一个原诱导关节炎 (CIA) 的老鼠模型.
- 接受培训的巨细胞的收养转移,以评估它们对关节炎症状的影响.
- 分子途径的分析,包括脂质过氧化,铁和ac4C修饰,在纤维细胞样同胞细胞 (FLS) 中.
- 评估一种涉及iFSP1和Remodelin的组合疗法.
主要成果:
- 在CIA模型中,β-葡萄糖诱导的训练免疫力加剧了炎症和关节炎的严重程度.
- 通过收养转移受过训练的巨细胞加剧了关节炎症状.
- 经过训练的巨细胞通过IL-1β/NAT10/FSP1 mRNA ac4C修饰抑制了FLS铁.
- 联合iFSP1和雷莫德林治疗减少了关节炎的严重程度,并恢复了铁灭症的敏感性.
- 在CIA诱导和β-葡萄糖训练之间的反循环加速了疾病的进展.
结论:
- 由β-葡萄糖诱导的训练免疫力是炎症性关节炎发病的一个重要因素.
- 训练有素的巨细胞通过特定的分子通路调节FLS铁.
- 准训练有素的免疫力,为炎症性关节炎提供了一个有希望的治疗途径.
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