EPISODE · Sep 6, 2026 · 26 MIN
1548-人肠道发育中的间质多样性与空间图谱
from 聊聊Sci
这项研究利用单细胞RNA测序与Xenium空间转录组技术，首次绘制了人类小肠发育过程中间充质细胞的高分辨率空间图谱。研究团队精准识别出五种具有独特分子特征和解剖位置的成纤维细胞亚群，包括上皮下细胞、固有层成纤维细胞及黏膜下层成纤维细胞等。通过对比分析，科学家发现该空间模型能有效评估类器官的成熟度与细胞排布的准确性，证明了空间拓扑结构在组织工程中的关键作用。此外，该图谱揭示了从胎儿到成年时期成纤维细胞比例的显著动态变化，为理解肠道发育及疾病提供了重要的分子坐标体系。这项成果不仅填补了人类肠道间充质多样性的认知空白，也为精准模拟肠道再生与病理研究奠定了基础。References:Johnson K F, Dong X, Tsai Y H, et al. Mapping mesenchymal diversity in the human small intestine and organoids[J]. Nature Cell Biology, 2026: 1-13.前往小宇宙评论区与主播互动
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1548-人肠道发育中的间质多样性与空间图谱
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