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Epstein–Barr Virus
Epstein–Barr virus (EBV) is a ubiquitous gamma herpesvirus aetiologically linked to different lymphoid and epithelial malignancies and a number of systemic autoimmune diseases. The virus has a unique ability to transform resting B lymphocytes in vitro by expressing a set of latent genes, subsets of...
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| Format: | Default Article |
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2017
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| Online Access: | https://hdl.handle.net/2134/27474 |
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| Summary: | Epstein–Barr virus (EBV) is a ubiquitous gamma herpesvirus aetiologically linked to different lymphoid and epithelial malignancies and a number of systemic autoimmune diseases. The virus has a unique ability to transform resting B lymphocytes in vitro by expressing a set of latent genes, subsets of which are present in EBV‐associated tumours. EBV exploits the physiology of normal B‐cell differentiation to persist within the memory B‐cell pool of the immunocompetent host with strong T‐cell responses important for controlling EBV infection. Immunosuppressed transplant recipients and human immunodeficiency virus (HIV)‐infected individuals are at increased risk of developing EBV‐transformed B‐cell proliferations which often present as monoclonal non‐Hodgkin lymphomas. The major EBV‐associated tumours (Burkitt lymphoma, Hodgkin lymphoma and nasopharyngeal carcinoma) show restricted forms of latent viral gene expression reflecting a more complex pathogenesis involving additional cofactors. A number of pharmacological and immunotherapeutic approaches are being developed to treat or prevent these EBV‐associated tumours. |
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