由JAK抑制剂重编程的巨细胞依赖于MAFBB
Baltasar López-Navarro1, Miriam Simón-Fuentes2, Israel Ríos2
1Unidad de Inmunometabolismo e Inflamación, Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
Cellular and molecular life sciences : CMLS
|March 26, 2024
概括
简氏激酶抑制剂 (JAKi) 通过增强MAFB表达,恢复单细胞平衡和促进炎症解消来重新编程类风湿性关节炎巨细胞,使其具有抗炎特征.
科学领域:
- 免疫学 免疫学 免疫学
- 类风湿病学 类风湿病学
- 药理学 药理学是指药理学的学科.
背景情况:
- 单细胞衍生的巨细胞是诸如类风湿性关节炎 (RA) 这样的炎症性疾病的关键.
- 在RA突中,特定的巨细胞子集与疾病活动或解决相关.
- 简氏激酶抑制剂 (JAKi) 是有效的RA治疗方法,但它们对巨细胞分化的影响尚不清楚.
研究的目的:
- 研究JAK抑制剂 (JAKi) 对类风湿性关节炎 (RA) 中巨细胞特异和分化的影响.
- 分析JAKi对人类单细胞子集和单细胞衍生的巨细胞的转录和功能影响.
主要方法:
- 对JAKi对RA患者人体外周血液单细胞子集的转录和功能影响的分析.
- 评估由粒细胞-巨细胞殖民地刺激因子 (GM-CSF) 促进的单细胞衍生巨细胞分化.
- 对Upadacitinib,baricitinib,tofacitinib和deucravacitinib影响的剂量依赖性评估.
主要成果:
- 在RA患者中,upadacitinib恢复了周围血液单细胞平衡.
- JAKi使巨细胞倾向于抗炎特征,增强MAFB表达和抑制GSK3β酸化.
- 用上巴迪西尼布治疗的巨细胞显示了细胞增多,抗炎性细胞因子概况,以及与恒常性相关的基因的丰富.
- 这些效应与其他JAKi观察到,但不是TYK2抑制剂deucravacitinib.
结论:
- 雅克抑制剂将巨细胞重新编程为一种抗炎和促溶解的表型.
- 这种重新编程与增强的MAFB表达有关,为RA提供了新的治疗视角.
- JAKi可能调节巨细胞的功能,以促进RA炎症的解消.
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