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. 1992 Jan;51(1):19–22. doi: 10.1136/ard.51.1.19

Human neutrophil activating peptide/interleukin 8 acts as an autoantigen in rheumatoid arthritis.

P Peichl 1, M Ceska 1, H Broell 1, F Effenberger 1, I J Lindley 1
PMCID: PMC1004611  PMID: 1540031

Abstract

Human neutrophil activating peptide/interleukin 8 (NAP-1/IL-8) has been shown to activate neutrophils to degranulate in vitro and to be a potent chemotactic agonist for neutrophils and lymphocytes in vitro and in vivo. It may therefore be a mediator of inflammatory conditions such as rheumatoid arthritis (RA). Levels of NAP-1/IL-8 were low or undetectable in serum samples from 53 patients with RA. Circulating levels of antibodies to NAP-1/IL-8 showed a strong correlation with the level of quantified C reactive protein and with the number of arthritic joints. These autoantibodies, in a similar manner to quantified C reactive protein, correlated with disease activity and are associated with a lack of clinical improvement when the patient is treated with systemic steroids. This observation indicates an important role for interleukin 8 and its autoantibodies in the inflammatory processes of RA, and may provide a clinically useful marker for the diagnosis of disease severity.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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