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Lookup NU author(s): Petra Stojkovic,
Professor Majlinda LakoORCiD,
Professor Lyle Armstrong,
Professor Miodrag Stojkovic
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One of the most frequently used matrices for feeder-free growth of undifferentiated human embryonic stem cells (hESCs) is Matrigel, which supports attachment and growth of undifferentiated hESCs in the presence of mouse embryonic fibroblast-conditioned medium. Unfortunately, application of Matrigel or medium conditioned by mouse embryonic feeder cells is not ideal for potential medical application of hESCs because xenogeneic pathogens can be transmitted through culture conditions. We demonstrate here that human serum as matrix and medium conditioned by differentiated hESCs reduce exposure of hESCs to animal ingredients and provide a safer direction toward completely animal-free conditions for application, handling, and understanding of hESC biology. At thesametime, hESCs grown under these conditions maintain all hESC features after prolonged culture, including the developmental potential to differentiate into representative tissues of all three embryonic germ layers, unlimited and undifferentiated proliferative ability, and maintenance of normalkaryotype. ©AlphaMed Press.
Author(s): Stojkovic P, Lako M, Przyborski S, Stewart R, Armstrong L, Evans J, Zhang X, Stojkovic M
Publication type: Article
Publication status: Published
Journal: Stem Cells
Print publication date: 01/08/2005
ISSN (print): 1066-5099
ISSN (electronic): 1549-4918
Publisher: AlphaMed Press, Inc.
PubMed id: 15888688
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