EPISODE · Feb 7, 2026 · 20 MIN
483-高内涵筛选揭示人胰腺腺泡细胞分化机制
from 聊聊Sci
这项研究详述了一种高内涵筛选方法的开发，利用人类胰腺类器官模型来探究控制其分化与形态发育的信号通路。通过对数百种小分子化合物进行多变量影像分析，研究人员鉴定出 54 种能显著影响类器官特征的物质，并重点揭示了 GSK3 抑制剂在这一过程中的关键作用。实验证明，激活 WNT 信号通路会降低祖细胞标志物的表达，而同时抑制 FGF 信号则能有效诱导类器官向腺泡细胞分化。这种新方法不仅成功模拟了人类腺泡细胞的成熟过程与分泌功能，还为研究胰腺癌的早期起源提供了重要的体外模型工具。研究最后强调，结合自动成像与单细胞测序技术，能够克服类器官的异质性挑战，从而更深入地解析复杂的人体器官发育机制。References: Keshara R, Kuodyte K, Janosch A, et al. High-content screening of organoids reveals the mechanisms of human pancreas acinar specification[J]. Cell Stem Cell, 2026.前往小宇宙评论区与主播互动
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483-高内涵筛选揭示人胰腺腺泡细胞分化机制
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