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Research Article
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Erratum Notice
Important: There has been an erratum issued for this article. View Erratum Notice
Retraction Notice
The article Assisted Selection of Biomarkers by Linear Discriminant Analysis Effect Size (LEfSe) in Microbiome Data (10.3791/61715) has been retracted by the journal upon the authors' request due to a conflict regarding the data and methodology. View Retraction Notice
来源:Dasari, S. et al. 一种研究细胞间旁分泌信号的近端培养方法。J. Vis. Exp. (2018 年)
在本视频中,我们开发了卵巢癌细胞和原代人间皮细胞的近端共培养模型。这种生理相关的模型允许研究旁分泌信号传导,其中分泌因子的局部浓度得到维持,同时防止直接细胞接触。
A. 细胞制备
B. 细胞培养

图 1:近端培养系统的组装。(A) 该图显示了人原代间皮细胞 (HPMC)。(B) 该图显示了 HeyA8 卵巢癌细胞。比例尺 = 200 μm (AB)。(C) 将 HeyA8 细胞接种在具有 0.4 μm 孔的 transwell 插入片段的下表面。细胞附着后,将插入片段置于含有生长培养基的 6 孔板的孔中。然后将间皮细胞接种在插入片段中,使它们附着在上表面,并通过膜与 HeyA8 细胞分离。膜中的 0.4 μm 孔允许分泌因子的交换,但抑制了细胞之间的任何直接接触。