Abstract:
:The future application of human embryonic stem cells (hESC) for therapeutic approaches requires the development of xeno-free culture conditions to prevent the potential transmission of animal pathogens or xenobiotic substances to hESC. An important component of the majority of hESC culture systems developed is the requirement for fibroblasts to serve as feeders. For this purpose, several studies have used human foreskin fibroblasts established under xeno-free conditions. In this study we report xeno-free establishment and maintenance of human embryonic fibroblasts (XHEF) and demonstrate their ability to support long-term self-renewal of hESC under xeno-free culture conditions, using a commercially available complete medium. Importantly, our culture conditions allow enzymatic passaging of hESC. In contrast, hESC cultured on human foreskin fibroblasts (XHFF) under the same conditions were poorly maintained and rapidly subject to differentiation. Our study clearly shows that the source of human fibroblasts is essential for long-term xeno-free hESC maintenance.
journal_name
Stem Cell Resjournal_title
Stem cell researchauthors
Kibschull M,Mileikovsky M,Michael IP,Lye SJ,Nagy Adoi
10.1016/j.scr.2010.08.002subject
Has Abstractpub_date
2011-01-01 00:00:00pages
70-82issue
1eissn
1873-5061issn
1876-7753pii
S1873-5061(10)00094-2journal_volume
6pub_type
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