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J Virol Methods. 1991 Jun;33(1-2):47-52.

Characterization of two monoclonal antibodies to Epstein-Barr virus diffuse early antigen which react to two different epitopes and have different biological function.

Author information

1
Department of Medical Microbiology and Immunology, Ohio State University College of Medicine, Columbus 43210.

Abstract

Five monoclonal antibodies (mAbs) were identified using immunofluorescence that were specific for the Epstein-Barr virus (EBV) encoded 52/50 kDa early antigen (EA-D) protein complex. Evidence to suggest that these mAbs react with the same 52/50 kDa EA-D protein was obtained by Western blotting, immunoprecipitation and ELISA. Two of the mAbs, 90E2 and 214A9, neutralized EBV DNA polymerase activity. The 214A9 mAb also inhibited the activity of bacteriophage T4 DNA polymerase while the 90E2 mAb did not. These data suggest that the 90E2 and 214A9 mAbs recognize two different epitopes on the 52/50 kDa EA-D protein. The high frequency of recovery of hybridomas producing anti 52/50 kDa EA-D mAbs suggest that this protein may have an important role in EBV pathogenesis/replication.

PMID:
1719014
[Indexed for MEDLINE]

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