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Review
. 2004 Oct;138(1):1-9.
doi: 10.1111/j.1365-2249.2004.02592.x.

Human endogenous retroviruses: transposable elements with potential?

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Review

Human endogenous retroviruses: transposable elements with potential?

P N Nelson et al. Clin Exp Immunol. 2004 Oct.

Abstract

Human endogenous retroviruses (HERVs) are a significant component of a wider family of retroelements that constitute part of the human genome. These viruses, perhaps representative of previous exogenous retroviral infection, have been integrated and passed through successive generations within the germ line. The retention of HERVs and isolated elements, such as long-terminal repeats, could have the potential to harm. In this review we describe HERVs within the context of the family of known transposable elements and survey these viruses in terms of superantigens and molecular mimics. It is entirely possible that these mechanisms provide the potential for undesired immune responses.

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Figures

Fig. 1
Fig. 1
Schematic view of HERV activation via long-terminal repeats that may augment the production of superantigens and peptide mimics that could lead to autoimmune diseases. The ‘transducing’ elements within HERVs enable environmental agents to modulate HERV expression.

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