| abstract |
Disclosed are novel methods and materials for generating in vitro cultured populations of human epidermal keratinocyte cells having a characteristic colony-forming efficiency of greater than 20%. Novel media preparations and procedures are disclosed that permit isolation, serum-free primary culture and serum-free serial subculture of human epidermal keratinocytes. Also disclosed are procedures and products employing keratinocyte cells grown in serum-free conditions for medical application, i.e., skin grafting. |