通过调节PI3K/AKT通路,4-基可减弱AngII诱导的心脏重塑和功能障碍
Xiao Han1, Qian-Qiu Zhu2, Zhi Li3
1Institute of Cardio-Cerebrovascular Medicine, Central Hospital of Dalian University of Technology, No.826, South West Road, Shahekou District, Dalian, 116089, China.
概括
4-基 (4-HCH) 通过减少缩,纤维化和炎症,有效地对抗心脏重塑和心力衰竭. 这种天然化合物向PI3K-AKT通路,为心血管疾病提供治疗潜力.
科学领域:
- 心血管研究研究心血管研究
- 药理学 药理学是指药理学的学科.
- 分子生物学分子生物学
背景情况:
- 心脏重塑,包括缩,纤维化和扩张,是心力衰竭进展的核心.
- 4-Hydroxychalcone (4-HCH) 是一种天然化合物,在预防高固醇,炎症和损伤方面表现有前途.
- 4-HCH在调节心脏重塑中的特定作用需要阐明.
研究的目的:
- 为了研究4-Hydroxychalcone (4-HCH) 在缓解心脏重塑中的治疗潜力.
- 阐明4-HCH对心脏产生影响的潜在分子机制.
主要方法:
- 在小鼠中建立了 ангиотензин II 诱导的心脏重塑模型.
- 通过心声学和组织病理学对4-HCH进行了管理并评估了对血压,心脏功能和心脏结构的影响.
- 利用网络药理学来识别关键的标和途径,然后进行qPCR和西方抹杀以进行验证.
主要成果:
- 4-HCH显著逆转了Ang II诱导的高血压,心肌细胞缩,纤维化,炎症和氧化应激.
- 在接受4HCH治疗的小鼠中,心脏功能明显改善.
- 网络药理学确定PI3K-AKT途径是关键的调解者,发现4-HCH可以降低下游效应因子的下调节,如mTOR/ERK,TGF-β/Smad2/3,NF-κB和NOX1.
结论:
- 4-Hydroxychalcone (4-HCH) 在小鼠模型中有效缓解心脏重塑并改善心脏功能.
- 4-HCH的治疗效果通过下调PI3K-AKT信号通路来调节,独立于其抗高血压作用.
- 4-HCH显示出作为心力衰竭的新型治疗剂的显著潜力.
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