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      Immune responses to endogenous retroelements: taking the bad with the good.

      1 , 2 , 2 , 3
      Nature reviews. Immunology
      Springer Nature

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          Abstract

          The ultimate form of parasitism and evasion of host immunity is for the parasite genome to enter the germ line of the host species. Retroviruses have invaded the host germ line on the grandest scale, and this is evident in the extraordinary abundance of endogenous retroelements in the genome of all vertebrate species that have been studied. Many of these endogenous retroelements have retained viral characteristics; some also the capacity to replicate and, consequently, the potential to trigger host innate and adaptive immune responses. However, although retroelements are mainly recognized for their pathogenic potential, recent evidence suggests that this 'enemy within' may also have beneficial roles in tuning host immune reactivity. In this Review, we discuss how the immune system recognizes and is shaped by endogenous retroelements.

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          Author and article information

          Journal
          Nat. Rev. Immunol.
          Nature reviews. Immunology
          Springer Nature
          1474-1741
          1474-1733
          Apr 2016
          : 16
          : 4
          Affiliations
          [1 ] Retroviral Immunology, the Francis Crick Institute, Mill Hill Laboratory, London NW7 1AA, UK.
          [2 ] Department of Medicine, Faculty of Medicine, Imperial College London, London W2 1PG, UK.
          [3 ] Retrovirus-Host Interactions, the Francis Crick Institute, Mill Hill Laboratory, London NW7 1AA, UK.
          Article
          nri.2016.27
          10.1038/nri.2016.27
          27026073
          aeb7f0cd-b7a9-46e1-96b0-ac1b87f3abb1
          History

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