Cellosaurus cell line OKF4 (CVCL_L220)

PubMed=1708735; DOI=10.1111/j.1432-0436.1990.tb00477.x
Lindberg K., Rheinwald J.G.
Three distinct keratinocyte subtypes identified in human oral epithelium by their patterns of keratin expression in culture and in xenografts.
Differentiation 45:230-241(1990)

PubMed=10648628; DOI=10.1128/mcb.20.4.1436-1447.2000
Dickson M.A., Hahn W.C., Ino Y., Ronfard V., Wu J.Y., Weinberg R.A., Louis D.N., Li F.P., Rheinwald J.G.
Human keratinocytes that express hTERT and also bypass a p16(INK4a)-enforced mechanism that limits life span become immortal yet retain normal growth and differentiation characteristics.
Mol. Cell. Biol. 20:1436-1447(2000)

PubMed=12077343; DOI=10.1128/mcb.22.14.5157-5172.2002
Rheinwald J.G., Hahn W.C., Ramsey M.R., Wu J.Y., Guo Z.-Y., Tsao H., De Luca M., Catricala C., O'Toole K.M.
A two-stage, p16(INK4A)- and p53-dependent keratinocyte senescence mechanism that limits replicative potential independent of telomere status.
Mol. Cell. Biol. 22:5157-5172(2002)

PubMed=25169794; DOI=10.1111/jop.12236
Dickman C.T.D., Towle R., Saini R., Garnis C.
Molecular characterization of immortalized normal and dysplastic oral cell lines.
J. Oral Pathol. Med. 44:329-336(2015)