Abstract:
:Epstein-Barr virus (EBV) nuclear antigen 2 (EBNA-2) is a key determinant in the EBV-driven B-cell growth transformation process. By activating an array of viral and cellular target genes, EBNA-2 initiates a cascade of events which ultimately cause cell cycle entry and the proliferation of the infected B cell. In order to identify cellular target genes that respond to EBNA-2 in the absence of other viral factors, we have performed a comprehensive search for EBNA-2 target genes in two EBV-negative B-cell lines. This screen identified 311 EBNA-2-induced and 239 EBNA-2-repressed genes that were significantly regulated in either one or both cell lines. The activation of most of these genes had not previously been attributed to EBNA-2 function and will be relevant for the identification of EBNA-2-specific contributions to EBV-associated malignancies. The diverse spectrum of EBNA-2 target genes described in this study reflects the broad spectrum of EBNA-2 functions involved in virus-host interactions, including cell signaling molecules, adapters, genes involved in cell cycle regulation, and chemokines.
journal_name
J Viroljournal_title
Journal of virologyauthors
Maier S,Staffler G,Hartmann A,Höck J,Henning K,Grabusic K,Mailhammer R,Hoffmann R,Wilmanns M,Lang R,Mages J,Kempkes Bdoi
10.1128/JVI.00665-06subject
Has Abstractpub_date
2006-10-01 00:00:00pages
9761-71issue
19eissn
0022-538Xissn
1098-5514pii
80/19/9761journal_volume
80pub_type
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