Summary
A new culture medium, NCTC 168, has been designed for human skin epithelial cells. This medium formulation was developed, by combining and testing at various concentrations, components of media NCTC 135 and 163, since a 1∶1 mixture of these two media with 10% horse serum supplement was found to promote epithelial cell outgrowth from human skin explants. The buffer system in NCTC 168 maintains the pH of the medium between 7.0 and 7.2. In contrast to other media tested, NCTC 168 with 10% horse serum is capable of initiating and sustaining larger epithelial cell outgrowths. Explants in serum-supplemented NCTC 168 in the absence of feeder cells reproducibly yield confluent epithelial cell sheets apparently free of fibroblasts after only 19 to 28 days as compared with 5 weeks or longer for the other media tested. NCTC 168 also supports passage of human epithelial cells to the sixth subculture generation without feeder cells. Electron microscopy has shown the presence of desmosomes and tonofilaments in the passaged cells indicating the epithelial nature of the cells. The addition of epithelial growth factor, hydrocortisone and insulin at 5 ng per ml, 4 μg per ml and 5 μg per ml, respectively did not appreciably enhance the growth of the epithelial cells.
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Price, F.M., Camalier, R.F., Gantt, R. et al. A new culture medium for human skin epithelial cells. In Vitro 16, 147–158 (1980). https://doi.org/10.1007/BF02831505
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DOI: https://doi.org/10.1007/BF02831505