今天3分钟我们来聊聊邮票上长出心脏瓣膜——700万人的二尖瓣脱垂终于有了人体模型

全球约2.8亿人受心脏瓣膜问题困扰，药物无效只能手术，现有替换方案有缺陷。科学家用干细胞构建出带功能性瓣膜的三维心脏类器官，为研究瓣膜发育、病变及药物测试提供新模型，有望推动个性化治疗和再生瓣膜研发。

参考文献：

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2. Voges HK et al. Human heart valve-like tissues from pluripotent stem cells with enhanced maturation recapitulate inflammatory valve disease. Cell Stem Cell. 2026-08-11. DOI: 10.1016/j.stem.2026.07.010

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