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干扰素调节因子-1通过血管内皮生长因子A/14-3-3γ轴增强贝瓦西祖马布心脏毒性

Xuan-Ying Chen¹, Meng-Qi Xie², Wei-Lin Huang³

¹Department of Pharmacy, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, P. R. China.

ESC heart failure

|January 18, 2024

概括

干扰素调节因子-1 (IRF1) 通过激活VEGFA/14-3-3γ通路,促进贝瓦西祖马布诱导的心肌损伤. 准IRF1可能为治疗贝瓦西祖马布诱导的心脏损伤提供新的治疗策略.

科学领域:

心血管研究研究心血管研究
分子生物学分子生物学
瘤学药物毒性药物毒性

背景情况:

心肌损伤是死亡的主要原因之一.
贝瓦西祖马布 (BVZ) 是一种与心脏毒性相关的抗VEGF疗法.
在BVZ诱导的心肌细胞损伤背后的精确机制需要进一步阐明.

研究的目的:

为了研究干扰素调节因子-1 (IRF1) 在贝瓦齐祖马布 (BVZ) 诱导的心肌损伤中的作用.
阐明涉及IRF1在这个过程中的潜在分子机制.

主要方法:

在体外 (HL-1细胞) 和体内 (C57BL/6小鼠) 建立了BVZ诱导的心肌损伤的模型.
评估细胞活力,细胞亡和心脏生物标志物 (LDH,cTnT,CK-MB) 的释放.
使用的技术包括共免疫沉,GST下拉试验,以及IRF1,VEGFA和14-3-3γ的基因沉默/过度表达.

主要成果:

BVZ治疗增加了IRF1水平,诱导了心肌细胞亡,降低了细胞活力,心脏生物标志物升高.
沉默IRF1改善了BVZ引起的心肌损伤,而过度表达IRF1则加剧了心肌损伤.
IRF1调节VEGFA表达,而VEGFA/14-3-3γ轴在调节BVZ诱导的心脏损伤方面至关重要.

结论:

通过IRF1介导的VEGFA/14-3-3γ信号通路在促进BVZ诱导的心肌损伤方面发挥着至关重要的作用.
IRF1代表了一种潜在的治疗点,用于减轻与贝瓦齐祖马布相关的心脏毒性.

关键词:

14-3-3γ 的时间.贝瓦西祖马布 (bevacizumab) 是一种药物.干扰素调节因子-1-1 心肌损伤是指心肌损伤.在VEGFA中,VEGFA是VEGFA.

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