EPISODE · Jul 25, 2026 · 21 MIN
1335-血管化结直肠类器官芯片与精准药敏检测
from 聊聊Sci
这项研究开发了一种仿生血管化大肠癌类器官芯片模型，旨在为精准医学提供更真实的药物测试平台。研究人员通过分析单细胞数据库，鉴定出一种关键因子 IGFBP5，并利用它诱导人体脐带静脉内皮细胞，使其自组装成具有肿瘤血管特征（如高渗透性和畸形结构）的复杂网络。该系统结合了微流控技术与患者来源的类器官，能够模拟体内真实的肿瘤微环境和血液灌注。实验证明，该模型在预测FOLFOX联合贝伐珠单抗及小分子抗血管生成药物的临床疗效方面，表现出极高的准确性和一致性。相比传统模型，这种优化后的芯片显著降低了误报率，为结直肠癌的个体化治疗提供了强有力的体外评估工具。References:Dai Z, Fu G, Du Y, et al. Self-assembly of tumor-related vascularized colorectal tumoroid-on-a-chip for precision medicine drug testing[J]. Cell Reports Medicine, 2026.前往小宇宙评论区与主播互动
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1335-血管化结直肠类器官芯片与精准药敏检测
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