Optimized surface markers for the prospective isolation of high-quality hiPSCs using flow cytometry selection.

Optimized surface markers for the prospective isolation of high-quality hiPSCs using flow cytometry selection.
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DOI:
10.1038/srep01179
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发表时间:
2013
期刊:
影响因子:
4.6
通讯作者:
Flynn, Peter
Flynn, Peter
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Abujarour, Ramzey;Valamehr, Bahram;Robinson, Megan;Rezner, Betsy;Vranceanu, Florin;Flynn, Peter

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hiPSC 的衍生和选择仍然效率低下;高质量克隆的选择依赖于广泛的表征,这不适合高通量(HTP)方法。我们最近描述了使用小分子混合物来增强单细胞培养中 hiPSC 的存活和稳定性,以及在 hiPSC 的 HTP 衍生中使用流式细胞术细胞分选。在这里,我们报告了一种在基于 FACS 的选择中使用细胞表面标记物(包括 CD30)的优化组合来分离真正 hiPSC 的增强方案。从重编程培养物中去除 CD30+ 细胞几乎完全消除了 NANOG 和 OCT4 阳性亚群,表明它是多能细胞的关键标志物。在 FACS 中将 CD30 与 SSEA4 和 TRA-1-81 结合,大大增强了 hiPSC 选择和衍生的特异性和效率。目前的方法可以有效、自动化、前瞻性地从重编程细胞环境中分离出高质量的 hiPSC。
hiPSC derivation and selection remains inefficient; with selection of high quality clones dependent on extensive characterization which is not amenable to high-throughput (HTP) approaches. We recently described the use of a cocktail of small molecules to enhance hiPSC survival and stability in single cell culture and the use of flow cytometry cell sorting in the HTP-derivation of hiPSCs. Here we report an enhanced protocol for the isolation of bona fide hiPSCs in FACS-based selection using an optimized combination of cell surface markers including CD30. Depletion of CD30+ cells from reprogramming cultures almost completely abolished the NANOG and OCT4 positive sub-population, suggesting it is a pivotal marker of pluripotent cells. Combining CD30 to SSEA4 and TRA-1-81 in FACS greatly enhanced specificity and efficiency of hiPSC selection and derivation. The current method allows for the efficient and automated, prospective isolation of high-quality hiPSC from the reprogramming cell milieu.
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