1383-基于hiPSC的HFpEF体外心脏模型与SGLT2i疗法研究 episode artwork

EPISODE · Aug 4, 2026 · 18 MIN

1383-基于hiPSC的HFpEF体外心脏模型与SGLT2i疗法研究

from 聊聊Sci

这项研究通过利用人诱导多能干细胞(hiPSC)构建了工程化心脏组织(hEHTs),成功在体外模拟了射血分数保留型心力衰竭(HFpEF)的关键病理特征。研究团队发现,这种心脏模型能够重现舒张功能障碍、内皮损伤以及特定的信号通路受阻等临床现象。实验进一步证实,SGLT2抑制剂能有效改善组织的松弛功能,其核心机制是通过抑制离子交换通道(NHE和NCX)来减轻钠钙超载。此外,该药物还展现出显著的抗炎作用,并能恢复内皮细胞中至关重要的信号传导。这项成果不仅揭示了血管内皮在心力衰竭中的关键地位,也为未来开发新型治疗药物提供了高效的体外筛选平台。References:Tani H, Haga K, Moriwaki T, et al. Human iPSC-derived engineered heart tissue model of diastolic dysfunction in heart failure with preserved ejection fraction[J]. Cell Stem Cell, 2026.前往小宇宙评论区与主播互动

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1383-基于hiPSC的HFpEF体外心脏模型与SGLT2i疗法研究

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