心脏原生细胞外体 miR-935 保护抗氧化应激
Susana Aguilar1, Paula García-Olloqui2,3, Lidia Amigo-Morán1
1Cardiac Stem Cells Lab, Centro Nacional de Biotecnología (CNB-CSIC), Department of Immunology and Oncology, Campus Universidad Autónoma de Madrid, 28049 Madrid, Spain.
Cells
|September 28, 2023
概括
心脏原生细胞 (CPC) 外体含有独特的微RNA (miRNA). 这些外体中miR-935的下调会增加氧化应激诱导的细胞死亡,这表明miR-935在心脏损伤中起着保护作用.
科学领域:
- 心血管生物学 心血管生物学
- 分子生物学分子生物学
- 细胞外囊泡 细胞外囊泡
背景情况:
- 氧化应激会导致心肌亡和缺血性心脏病发作中的亡.
- 细胞外囊泡,包括外体,显示治疗潜力.
- 在心脏原生细胞 (CPC) 中识别特定的外体微RNA (miRNA) 对于理解它们的功能至关重要.
研究的目的:
- 识别和验证人类心脏原生细胞 (CPC) 中的异位外体miRNA谱.
- 研究特定的外体miRNAs在防止氧化应激诱导的细胞死亡中的作用.
主要方法:
- 对CPC外体的蛋白质组分析 (LC-MS/MS).
- RNA测序 (RNAseq) 用于将miRNA配置文件与其他细胞类型进行比较.
- 在氧化应激模型中使用miR-935对抗R和模仿的转染实验.
主要成果:
- 在心血管发育和血管生成功能方面,CPC外体丰富.
- 在CPC外体中确定了大约350种不同的miRNA,其中miR-935被显著上调 (exo-miRSEL).
- 减少miR-935表达加剧了氧化应激诱导的亡和亡,而miR-935模仿没有影响.
结论:
- miR-935是CPC外体体 (exo-miRSEL) 中的一个关键差异表达的miRNA.
- 降低miR-935的调节促进了与氧化压力相关的亡.
- 外体miR-935可能会抵消CPC中与氧化应激相关的亡.
关键词:
一个CPC的CPC是CPC.对抗RR的对抗灭症 (apoptosis) 是一种死亡的过程.心脏前代细胞的前代细胞.外基因组是外基因组中的一个.这就是mi-RNA.在 miR-93535 里面.氧化应激是一种氧化应激.更多相关视频
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