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： He Y et al. (Li G, 通讯作者). Human iPSC-derived heart valve-like assembloids model valve development and disease pathology. Cell Stem Cell. 2026-08-11. DOI: 10.1016/j.stem.2026.07.011. https://www.cell.com/cell-stem-cell/fulltext/S1934-5909(26)00271-7 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 University of Pittsburgh. Heart assembloids give researchers a new way to study heart valve disorders. 2026-08-11. https://www.pittwire.pitt.edu/features-articles/2026/08/11/heart-valve-organoid 科技日报. 类器官上首次培育出功能性心脏瓣膜，能模拟发育和病变过程. 2026-08-12. http://www.stdaily.com/web/gjxw/2026-08/11/content_562423.html Bioengineer.org. Heart assembloids offer new insights into heart valve disorders. 2026-08-11. https://bioengineer.org/heart-assembloids-offer-new-insights-into-heart-valve-disorders/ 前往小宇宙评论区与主播互动