Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
The cells are positive for keratin by immunoperoxidase staining.
(Note: The L-15 medium formulation was devised for use in a free gas exchange with atmospheric air. A CO2 and air mixture is detrimental to cells when using this medium for cultivation)
Volumes used in this protocol are for 75 cm2 flask; proportionally reduce or increase amount of dissociation medium for culture vessels of other sizes.
Subculture just prior to confluency
Leibovitz A, et al. Classification of human colorectal adenocarcinoma cell lines. Cancer Res. 36: 4562-4569, 1976. PubMed: 1000501
