Co-localization of the retinoblastoma protein and the epstein-barr virus-encoded nuclear antigen EBNA-5

W. Q. Jiang, L. Szekely, V. Wendel-Hansen, N. Ringertz, G. Klein, A. Rosén

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

A monoclonal antibody (aRB1C1) raised against an Rb fusion protein detects a limited number (4-10) of relatively large intranuclear foci in an EBV-immortalized cord blood cell line (IB4). These domains also bind an anti-EBNA-5 monoclonal antibody. The Rb antibody reactive sites also co-localize with the SV40 T antigen in transformed monkey cells (COS). The nuclear structures stained by aRB1C1 and EBNA-5 antibodies are distinct from the structures detected with antibodies against centromeric proteins and certain snRNP epitopes. EBNA-5/Rb-positive domains do not selectively react with antibodies against the La antigen known to associate with the small EBV-encoded nuclear RNA species designated as the EBERs.

Original languageEnglish
Pages (from-to)314-318
Number of pages5
JournalExperimental Cell Research
Volume197
Issue number2
DOIs
StatePublished - Dec 1991
Externally publishedYes

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