在慢性阻塞性肺病中,通过对USP7/p300通路进行下调调节,对内皮原生细胞的系统管理可缓解多器官衰老
Wenhua Wang1, Huaihuai Peng2, Menghao Zeng1
1Department of Intensive Care Unit, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
Journal of translational medicine
|December 7, 2023
概括
在慢性阻塞性肺病 (COPD) 的小鼠中,静脉注射内皮原生细胞 (EPC) 通过降低USP7/p300通路的调节来抑制多器官衰老,为COPD提供了潜在的新疗法.
科学领域:
- 细胞衰老 细胞衰老
- 肺部医学 肺部医学
- 再生医学是一种再生医学.
背景情况:
- 慢性阻塞性肺病 (COPD) 影响全球数百万人,病率不断增加,治疗选择有限.
- 内皮原生细胞 (EPC) 的衰老与COPD的发病有关.
- 迫切需要针对COPD的新型治疗策略.
研究的目的:
- 在COPD小鼠模型中研究静脉内皮原生细胞 (EPC) 输入的治疗潜力.
- 探索EPCs对多器官衰老和底层分子通路的影响.
主要方法:
- 通过使用卷烟烟雾暴露,建立了一个COPD小鼠模型.
- 内皮原生细胞 (EPC) 被静脉注射.
- 组织学分析,定量实时PCR和西式涂抹被用于评估器官形态和衰老标志物.
- 研究了EPC对USP7/p300通路的影响.
主要成果:
- 在COPD小鼠的多个器官中,EPC的使用降低了衰老标志物 (例如,降低了p16,增加了环林D1和TERT).
- 虽然衰老被抑制,但COPD小鼠的形态组织变化并没有逆转.
- EPCs在各种器官中抑制了USP7和p300的表达,这表明它们具有机械作用.
结论:
- 内皮原生细胞 (EPC) 的使用有效地抑制了COPD小鼠的多器官衰老.
- 治疗效果通过USP7/p300通路的下调调节来调节.
- EPC疗法为COPD提供了一个有前途的新型治疗策略.
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