Hybridized cell lines ( CNf-A/B95-8 ) were obtained by hybridization of CNf-A cell with B95-8 cell and EBNA was detected in these hybridized cell lines.

• HAT培养基能杀死CNf-A细胞。 此细胞能与带EB病毒基因的类淋巴母细胞B95-8融合,形成的杂交细胞能在HAT培养液中存活,并可检出EB病毒的核抗原。