A high-resolution molecular-based panel of assays for identification and characterization of human embryonic stem cell lines |
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Authors: | Jennifer C Moore Sasha Sadowy Mina Alikani Alana J Toro-Ramos Mavis R Swerdel Ronald P Hart Rick I Cohen |
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Institution: | 1. Stem Cell Research Center, Rutgers the State University of New Jersey, 604 Allison Rd, D-250, Piscataway, NJ 08854, USA;2. Reprogenetics, LLC, 3 Regent Street, Suite 301, Livingston, NJ 07039, USA;3. Tyho-Galileo Research Laboratories, 3 Regent Street, Suite 301, Livingston, NJ 07039, USA |
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Abstract: | Meticulous characterization of human embryonic stem cells (hESC) is critical to their eventual use in cell-based therapies, particularly in view of the diverse methods for derivation and maintenance of these cell lines. However, characterization methods are generally not standardized and many currently used assays are subjective, making dependable and direct comparison of cell lines difficult. In order to address this problem, we selected 10 molecular-based high-resolution assays as components of a panel for characterization of hESC. The selection of the assays was primarily based on their quantitative or objective (rather than subjective) nature. We demonstrate the efficacy of this panel by characterizing 4 hESC lines, derived in two different laboratories using different derivation techniques, as pathogen free, genetically stable, and able to differentiate into derivatives of all three germ layers. Our panel expands and refines a characterization panel previously proposed by the International Stem Cell Initiative and is another step toward standardized hESC characterization and quality control, a crucial element of successful hESC research and clinical translation. |
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