Cited by 75Systemic Lupus Erythematosus ResearchSystemic Sclerosis and Related DiseasesImmune Response and Inflammation

Endogenous retroviral pathogenesis in lupus

Open access
Perl, Andras, Fernandez, David, Telarico, Tiffany, Phillips, Paul E·2010·Current Opinion in Rheumatology

Abstract

PURPOSE OF REVIEW: Genetic and environmental factors influence the development of systemic lupus erythematosus (SLE). Endogenous retroviruses (ERVs) are proposed as a molecular link between the human genome and environmental factors, such as viruses, in lupus pathogenesis. RECENT FINDINGS: The HRES-1 human ERV encodes a 28-kD nuclear autoantigen and a 24-kD small GTP-ase, termed HRES-1/Rab4. HRES-1/p28 is a target of cross-reactive antiviral antibodies, whereas HRES-1/Rab4 regulates the surface expression of CD4 via endosome recycling. The tat gene of HIV-1 induces the expression of HRES-1/Rab4, which in turn downregulates expression of CD4 and susceptibility to reinfection by HIV-1. HRES-1/Rab4 is overexpressed in lupus T cells where it correlates with increased recycling of CD4 and CD3 and contributes to downregulation of CD3/TCRzeta via lysosomal degradation. Chilblain lupus has been linked to the deficiency of 3'-5' repair exonuclease Trex1 that metabolizes DNA reverse-transcribed from ERV. Trex1 deficiency or blocked integration of ERV-encoded DNA also promotes lupus in murine models. SUMMARY: ERV proteins may trigger lupus through structural and functional molecular mimicry, whereas the accumulation of ERV-derived nucleic acids stimulates interferon and anti-DNA antibody production in SLE.

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  • Endogenous retroviral antigens do not cause complete immunological tolerance and both T and B cell responses are frequently detected in both mice and humans.

    “It is also clear, however, that endogenous retroviral antigens do not cause complete immunological tolerance and both T and B cell responses are frequently detected in both mice and humans 33,34,36–41.”

    From Are human endogenous retroviruses pathogenic? An approach to testing the hypothesis (2013) · cites this paper as [39]

    The Introduction (page not supplied) reports endogenous retroviral gp70 in immune-complex deposits of lupus-prone mice and autoantigenicity of endogenous retroviral sequences in patients with lupus. The Molecular mimicry section reports antibodies to an endogenous retroviral antigen in human lupus sera. These passages support incomplete tolerance in those settings, but do not establish that both T- and B-cell responses to such antigens are frequently detected in both mice and humans. (LLM, conf=0.82)

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  • HERV-encoded antigens have been implicated as putative autoantigens in the development of human autoimmune diseases.

    “HERV-encoded antigens have also been implicated as putative autoantigens in the development of human autoimmune diseases 36–39,43,44.”

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Research works printed but not linked: 4

  1. [13]McGuinnis MH Macher AH Rook AH Red cell autoantibodies in patients with AIDS Transfusion 1986 26 405 409 3765030
  2. [32]Coffin JM Hughes SH Varmus HE Coffin JM Hughes SH Varmus HE Retrotransposons, endogenous retroviruses, and the evolution of retroelements Retroviruses 1997 Cold Spring Harbor Cold Spring Harbor Laboratory Press 343 435 21433351
  3. [55]Wilkinson DA Mager DL Leong J-AC Levy JA Endogenous human retroviruses The Retroviridae 1994 New York Plenum Press 465 535
  4. [139]Magistrelli C Banki K Ferrante P Perl A Mapping and cloning of polymorphic genotypes of the HRES-1 LTR Arth Rheum 1994 37 S316 10436175

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Authors
Perl, A., Fernandez, D., Telarico, T., & Phillips, P. E.
Affiliations
SUNY Upstate Medical University (US)
Venue
Current Opinion in Rheumatology
Published
2010-09
Volume
22
Issue
5
Pages
483-492
ISSN
1040-8711 (ISSN-L)
OpenAlex
W2078912949
Cited by
75
References
150
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 3 · 2022: 4 · 2021: 6 · 2020: 3 · 2019: 2 · 2018: 3 · 2017: 3 · 2016: 9 · 2015: 5 · 2014: 8 · 2013: 8 · 2012: 9
FWCI
0.85
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Rheumatology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (R01AI048079, R01AI122176, R01AI072648, R01-AI48079)
Topics
  • Health Sciences › Medicine › Rheumatology › Systemic Lupus Erythematosus Research
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Systemic Sclerosis and Related Diseases
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
endogenous retroviruses, systemic lupus erythematosus, lupus pathogenesis, Rab4, CD4 downregulation, chilblain lupus, TREX1, HIV-1 Tat protein, autoantigens, molecular mimicry, interferon, anti-DNA antibodies, autoantibodies
MeSH terms
Humans, Lupus Erythematosus, Systemic, Autoimmunity, Molecular Mimicry, Endogenous Retroviruses

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