Measurement of the cross linking compound, pyridinoline, in urine as an index of collagen degradation in joint disease

Simon Robins, P Stewart, C Astbury, H A Bird

Research output: Contribution to journalArticle

106 Citations (Scopus)

Abstract

An enzyme linked immunoassay (ELISA) for the collagen cross link, pyridinoline, has been developed using affinity purified antibodies, with a sensitivity down to about 0.1 ng of cross link. Measurements of urinary pyridinoline were made in patients with rheumatoid arthritis (RA), osteoarthritis (OA), and a control group showing no signs of joint disease. Expressed relative to creatinine values, pyridinoline was significantly increased in both RA and OA groups compared with controls: these differences were much larger than could be attributed to any age related effects or to changes in urinary creatinine concentrations. These findings were confirmed by analysis of a series of 24 h urine collections which showed that the total pyridinoline excretions were significantly higher in both RA and OA groups than in the controls. As pyridinoline is much more prevalent in cartilage than in bone collagen, measurement of this compound in urine may provide an index for monitoring the increased joint destruction that occurs in arthritic disease.
Original languageEnglish
Pages (from-to)969-973
Number of pages5
JournalAnnals of the Rheumatic Diseases
Volume45
Issue number12
DOIs
Publication statusPublished - Dec 1986

Keywords

  • immunoassay
  • pyridinium cross links of collagen
  • cartilage degradation

Cite this

Measurement of the cross linking compound, pyridinoline, in urine as an index of collagen degradation in joint disease. / Robins, Simon; Stewart, P ; Astbury, C ; Bird, H A .

In: Annals of the Rheumatic Diseases, Vol. 45, No. 12, 12.1986, p. 969-973.

Research output: Contribution to journalArticle

Robins, Simon ; Stewart, P ; Astbury, C ; Bird, H A . / Measurement of the cross linking compound, pyridinoline, in urine as an index of collagen degradation in joint disease. In: Annals of the Rheumatic Diseases. 1986 ; Vol. 45, No. 12. pp. 969-973.
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