- Long-term controlled immortalization of a primate hepatic progenitor cell line after Simian virus 40 T-Antigen gene transfer. Delgado, J.P., Parouchev, A., Allain, J.E., Pennarun, G., Gauthier, L.R., Dutrillaux, A.M., Dutrillaux, B., Di Santo, J., Capron, F., Boussin, F.D., Weber, A. Oncogene (2005)