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


ABSTRACT: 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.

SUBMITTER: Abujarour R 

PROVIDER: S-EPMC3560358 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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

Abujarour Ramzey R   Valamehr Bahram B   Robinson Megan M   Rezner Betsy B   Vranceanu Florin F   Flynn Peter P  

Scientific reports 20130131


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 op  ...[more]

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