Isolation of Mouse Epidermal Keratinocytes and Their In Vitro Clonogenic Culture
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS(2019)
摘要
The protocol described here is a reliable method of harvesting primary keratinocytes from adult female mice (54 +/- 2 days old) yielding approximately 30 x 10(6) viable cells per mouse. Primary adult mouse keratinocytes are harvested from the dorsal skin of female mice. Male mice (similar to 6 weeks old) can be used for keratinocyte harvesting depending on the requirements of the experiment. Euthanized mice are shaved and sterilized with serial washes in povidone iodine and ethanol solutions (70% alcohol). After disinfecting the mice, the dorsal skin is removed and the subcutaneous fat and muscle are removed with a scalpel and discarded. The skins are cut into small pieces and treated with a mild, low temperature trypsinization to detach the lower dermis from the epidermis. The scraped epidermises are stirred at low speed, filtered to remove the hairs, counted, and re-suspended in culture medium. This method provides an excellent single cell suspension of highly culturable cells for many downstream applications.
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关键词
Biology,Issue 150,epidermal keratinocytes,cell culture,adult mouse epidermis,clonal culture,keratinocyte stem cells,3T3 fibroblast
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