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通过向miR-381-3p,LncRNA DLEU1有助于败血性心肌功能障碍的进展
Tian Tian1, Na Zhang2, Guoxin Hu3
1Department of Geratology, Shengli Oilfield Central Hospital, Dongying, China.
Central-European journal of immunology
|December 25, 2024
概括
这项研究表明,DLEU1通过促进炎症和氧化应激,加剧了败血症引起的心肌损伤. 下调DLEU1或准DLEU1/miR-381-3p轴可能为与败血症相关的心脏功能障碍提供治疗策略.
科学领域:
- 心脏病学 心脏病学
- 分子生物学分子生物学
- 败血症研究 败血症研究
背景情况:
- 败血症经常导致心脏功能障碍.
- 了解血症引起的心肌损伤背后的分子机制对于开发有效的治疗方法至关重要.
研究的目的:
- 调查DLEU1在败血症引起的心肌损伤中的调节作用.
- 探索针对DLEU1/miR-381-3p轴的潜在治疗影响.
主要方法:
- 在体外:用脂聚糖 (LPS) 治疗的HL-1心肌细胞.
- 在体内:阴茎绑定和穿孔 (CLP) 败血症的小鼠模型.
- 评估了细胞活力 (CCK-8),细胞亡 (Annexin-V),炎症因素 (ELISA),氧化应激 (ELISA) 和心脏功能 (心脏超声波).
主要成果:
- 随着LPS治疗,DLEU1表达增加,与炎症和氧化应激相关.
- DLEU1下调减弱了LPS诱导的心肌细胞亡,炎症和氧化应激.
- 在败血症小鼠中,DLEU1倒置改善了心脏功能,减少了炎症/氧化应激.
- MiR-381-3p作为DLEU1的竞争性内源RNA (ceRNA) 作用,扭转了它的影响.
结论:
- DLEU1/miR-381-3p轴是败血症期间心肌损伤的关键调节器.
- 针对这一轴为败血症引起的心脏并发症提供了潜在的治疗途径.
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