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      Epstein-Barr virus: exploiting the immune system.

      Nature reviews. Immunology

      Antigens, CD40, metabolism, B-Lymphocytes, immunology, Epstein-Barr Virus Infections, Genes, Viral, Herpesvirus 4, Human, genetics, pathogenicity, Humans, Immunologic Memory, Lymphocyte Activation, Models, Immunological, Receptors, Antigen, B-Cell, Signal Transduction, Viral Matrix Proteins

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          Abstract

          In vitro, Epstein-Barr virus (EBV) will infect any resting B cell, driving it out of the resting state to become an activated proliferating lymphoblast. Paradoxically, EBV persists in vivo in a quiescent state in resting memory B cells that circulate in the peripheral blood. How does the virus get there, and with such specificity for the memory compartment? An explanation comes from the idea that two genes encoded by the virus--LMP1 and LMP2A--allow EBV to exploit the normal pathways of B-cell differentiation so that the EBV-infected B blast can become a resting memory cell.

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          Journal
          11905817
          10.1038/35095584

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