Abstract
n-Butyrate has been shown to induce Epstein-Barr virus (EBV) antigen synthesis in certain EBV genome-carrying lymphoblastoid cell lines. We have studied the effect of cis-dichloro-diamine-platinum (CDDP) on induction of EBV antigen synthesis not only by n-butyrate treatment of the EBV producer, P3HR-1 cells, but also by superinfection of EBV to the EBV non-producer, Raji cells. Simultaneous treatment of the cells with n-butyrate and CDDP or MMC blocked VCA and EA induction, but no suppressive effect was observed by the treatment of the cells with n-butyrate and Ara-C. The induction of EBV antigens was also observed in EBV-superinfected Raji cells, even in the presence of DNA synthesis inhibitor, CDDP or MMC. From these results, we discussed the mechanisms of the EBV antigens synthesis in EBV latently infected cells.
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