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. 1972 Jun;11(2):201–207.

The concetrations of the fourth component of complement and of the C[unk] inactivator in synovial fluid from arthritic patients

H Hedberg, Anna-Brita Laurell
PMCID: PMC1553630  PMID: 5040309

Abstract

The concentration of the fourth component (C4) of complement (C) in synovial fluid was immunochemically determined in forty-nine cases of arthritis. The lowest C4 values were found in the patients with rheumatoid arthritis (RA), in particular those with depressed synovial fluid C values (and positive rheumatoid factor tests), whereas the highest were obtained in cases of non-rheumatoid arthritis (pelvospondylites ossificans, Reiter's disease and psoriasis arthropathica) and in the majority of the sero-negative RA patients. Low C4 values also proved closely associated with low values for the third component (C3), and with pronounced conversion of this component. The C[unk] inactivator (immunochemically determined) of the synovial fluid which was correlated with the albumin concentration, did not vary with total C, C4 or C3.

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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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