Document Detail


Increase in human endogenous retrovirus HERV-K (HML-2) viral load in active rheumatoid arthritis.
MedLine Citation:
PMID:  19703019     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To study the viral loads of human endogenous retrovirus HERV-K (HML-2) type 1 and type 2 in rheumatoid arthritis (RA), we measured the viral loads of HERV-K (HML-2) type 1 and type 2 using nucleic acid sequence-based amplification (NASBA) technology. We analyzed plasma samples from RA patients (n = 79) and healthy volunteers (HV, n = 46) and synovial fluid samples from RA (n = 10) and osteoarthritis (OA, n = 10) patients. HERV-K type 1 and type 2 viruses were detected and quantified for the majority of plasma and synovial fluid samples from RA patients. HERV-K type 1 and type 2 viral loads were significantly elevated in RA patients compared with HV in plasma (P < 0.0001) and from RA patients compared with OA patients in synovial fluid (type 1: P = 0.0007; type 2: P = 0.023). Moreover, an association was observed between the HERV-K type 1 viral load in plasma and the disease activity in RA patients (RA patients with low activity versus high activity P = 0.0129; RA patients with intermediate activity versus high activity P = 0.037). Our findings showed that HERV-K (HML-2) viral load can be detected in plasma samples from RA patients, with higher levels observed for those with active disease. There was an association of HERV-K type 1 levels with the disease activity.
Authors:
F Reynier; T Verjat; F Turrel; P E Imbert; H Marotte; B Mougin; P Miossec
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian journal of immunology     Volume:  70     ISSN:  1365-3083     ISO Abbreviation:  Scand. J. Immunol.     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-08-25     Completed Date:  2009-09-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0323767     Medline TA:  Scand J Immunol     Country:  England    
Other Details:
Languages:  eng     Pagination:  295-9     Citation Subset:  IM    
Affiliation:
Joint Unit Hospices Civils de Lyon - bioMérieux, and Department of Immunology and Rheumatology, Immunogenomics and inflammation research Unit EA 4130, University of Lyon, Lyon, France.
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MeSH Terms
Descriptor/Qualifier:
Adult
Arthritis, Rheumatoid / blood,  virology*
Endogenous Retroviruses / isolation & purification*
Female
Humans
Male
Middle Aged
Osteoarthritis / blood,  virology*
Synovial Fluid / virology*
Viral Load*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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