An Epstein--Barr virus early protein induces cell fusion
- PMID: 6273915
- PMCID: PMC349216
- DOI: 10.1073/pnas.78.11.7162
An Epstein--Barr virus early protein induces cell fusion
Abstract
Superinfection of Raji cells with Epstein--Barr virus (EBV) leads to syncytium formation. Studies using metabolic inhibitors and amino acid analogues suggest that the fusion-inducing factor belongs to the early group of virus-specified proteins. Induction of early EBV protein synthesis in Raji cells by using various chemicals also leads to syncytium formation, indicating that the fusion process is not caused by a virion membrane protein introduced into the cells upon infection. The relevance of these findings to the association of EBV with carcinoma of the nasopharynx is discussed.
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