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. 1976 Aug;25(2):191–198.

A double antibody solid phase assay for DNA autoantibodies for clinical use.

A Lange, I M Roitt, D Doniach
PMCID: PMC1541362  PMID: 1085236

Abstract

DNA antoantibodies in serum will bind to antigen-coated polystyrene tubes and can be detected by radiolabelled anti-immunoglobulin. The method is quantitative, gives information on the antibody class and is not readily subject to interference by factors such as the size of the DNA, minor contamination of double-stranded with single-stranded DNA and the presence of materials which can combine "non-specifically" with the antigen. Double-stranded DNA gave good discrimination between SLE and rheumatoid arthritis but with single-stranded preparations approximately 40% of the RA patients showed elevated antibody values. Individual results obtained with the two antigens were compared and correlated with the Farr test and ANA titres. Surprisingly, a proportion of the SLE sera gave high background binding to tubes coated with gelatine.

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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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