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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Rymo, L. Klein, G. Ricksten, A. |
| Abstract | Large Epstein-Barr virus (EBV) DNA restriction fragments corresponding to regions transcribed in transformed, proliferating cells were cloned in a cosmid derivative of the dominant-acting selection vector pSV2-gpt. Recombinant vectors carrying the EcoRI A fragment of EBV DNA were modified in the region corresponding to the deletion of the virion DNA in the non-transforming viral substrain P3HR-1, to create a series of recombinants lacking parts of this region. The recombinant vectors were introduced into 3T3 mouse fibroblasts under selective conditions, and resistant clones shown to contain EBV DNA sequences were analyzed for the expression of EBV-related antigens detectable by direct, indirect, and anticomplement immunofluorescence techniques. Cells that contained the BamHI K fragment expressed the EBV-determined nuclear antigen (EBNA) as expected. Cells transfected with recombinant vectors containing the BamHI W, Y, and H fragment part of the EcoRI A fragment also express a nuclear antigen detectable with certain anti-EBNA-positive human sera in anticomplement immunofluorescence tests. The BamHI WYH-induced EBNA polypeptide is similar in size to the EBNA2 polypeptide in Raji cells, as shown by gel electrophoresis and immunoblotting. The antigen is not detected in cells transfected with EcoRI A-derived vectors in which the BamHI H fragment has been deleted or in cells transformed with vectors carrying the BamHI H fragment alone. Direct and indirect immunofluorescence did not reveal the presence of antigens associated with productive infection in any of the EBV DNA-transfected fibroblast clones. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 10 |
| Volume Number | 82 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1985-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Antigens, Viral Genetics Herpesvirus 4, Human Immunology Animals Cell Transformation, Viral Cells, Cultured Epstein-Barr Virus Nuclear Antigens Gene Expression Regulation Genes Genes, Viral Genetic Vectors Mice Transcription, Genetic Transfection Transformation, Genetic Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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