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Epstein-Barr virus (EBV) nuclear antigen 3C (EBNA3C) and EBNA3A are each essential for EBV conversion of primary human B lympho-cytes into continuously proliferating lymphoblast cell lines (LCLs) and for maintaining LCL growth. We now find that EBNA3C and EBNA3A's essential roles are to repress p16 INK4A and p14 ARF. In the absence of EBNA3C or EBNA3A, p16(More)
Epstein-Barr virus (EBV)-encoded RNA 1 (EBER1) and EBER2 are untranslated RNAs and the most abundant viral transcripts in latently EBV-infected cells. We previously reported that EBERs play a critical role in efficient EBV-induced growth transformation of primary B cells. To investigate whether EBER1 and EBER2 have distinct roles in B-cell growth(More)
Epstein-Barr virus (EBV) infection converts primary human B cells into continuously proliferating lymphoblastoid cell lines (LCLs). To examine the role of EBV nuclear antigen (EBNA) 3C in the proliferation of LCLs, we established LCLs infected with an EBV recombinant that expresses EBNA3C with a C-terminal fusion to a 4-hydroxytamoxifen (4HT)-dependent(More)
To quantitatively evaluate the role of Epstein-Barr virus (EBV)-encoded latent membrane protein 2A (LMP2A) in immortalization of peripheral B-lymphocytes, we used the Akata cell system to generate an EBV recombinant in which the first exon of the LMP2A gene was disrupted. The results indicated that deletion of the LMP2A gene did not affect the(More)
EBNA3C is an EBV-encoded nuclear protein, essential for proliferation of EBV infected B-lymphocytes. Using EBNA3C amino acids 365-545 in a yeast two hybrid screen, we found an interaction with the Growth Arrest and DNA-damage protein, Gadd34. When both proteins are overexpressed, Gadd34 can interact with EBNA3C in both nuclear and cytoplasmic compartments.(More)
Epstein-Barr virus (EBV) may cause a variety of virus-associated diseases, but no antiviral agents have yet been developed against this virus. Animal models are thus indispensable for the pathological analysis of EBV-related infections and the elucidation of therapeutic methods. To establish a model system for the study of EBV infection, we tested the(More)
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