以TfR1为媒介的铁代谢功能障碍作为骨关节炎的潜在治疗点
Wenchao Wang1, Zhenkai Ma2, Xuemin Feng3
1Department of Spine Surgery, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, 250000, Shandong, China.
Arthritis research & therapy
|March 17, 2024
概括
转激素受体-1 (TfR1) 通过增加铁,导致炎症和细胞损伤,驱动骨关节炎 (OA). 抑制TfR1保护软骨,并可能提供一种新的OA治疗方法.
科学领域:
- 生物化学 生物化学
- 细胞生物学 细胞生物学
- 类风湿病学 类风湿病学
背景情况:
- 转移素受体-1 (TfR1) 调节细胞中的铁.
- 对于TfR1在骨关节炎 (OA) 发病过程中的作用尚不清楚.
研究的目的:
- 研究TfR1在OA进展中的作用.
- 阐明TfR1参与OA背后的机制.
主要方法:
- 在体内和体外检查了OA软骨中的TfR1表达.
- 利用IL-1β诱导状细胞退化和TfR1siRNA评估铁的稳态,线粒体功能和炎症标志物.
- 使用TfR1抑制剂 (Ferstatin II) 来评估体内保护作用.
主要成果:
- 在OA软骨中,TfR1表达升高,导致炎症.
- 由TfR1介导的过量铁会通过线粒体损伤和mtDNA释放引起氧化应激,铁亡以及c-GAS/STING介导的炎症.
- 抑制TfR1降低了铁,氧化应激和炎症,同时促进了线粒和改善了软骨退化.
结论:
- TfR1-介导的铁流入对状细胞退化和OA病变产生至关重要.
- 准TfR1以维持铁平衡是一种潜在的治疗策略.
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