Article (Scientific journals)
One-year increase of Coll 2-1, a new marker of type II collagen degradation, in urine is highly predictive of radiological OA progression.
Deberg, Michelle; Labasse, Alain; Collette, Julien et al.
2005In Osteoarthritis and Cartilage, 13 (12), p. 1059-65
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Keywords :
Aged; Amino Acids/urine; Biological Markers/urine; Cartilage, Articular/radiography; Collagen Type II/metabolism/urine; Disability Evaluation; Disease Progression; Female; Follow-Up Studies; Humans; Immunoassay/methods; Knee Joint; Male; Middle Aged; Osteoarthritis, Knee/radiography/urine; Peptide Fragments/urine; Predictive Value of Tests; Radiographic Image Interpretation, Computer-Assisted
Abstract :
[en] OBJECTIVE: To analyse the relationship between the levels of urinary biochemical markers of type II collagen degradation and the clinical and radiological severity and progression of knee osteoarthritis (OA). METHOD: Seventy-five patients with primary knee OA were included in this 3-year follow-up study. Mean joint space width (JSW) of the medial compartment of the femorotibial joint was measured with a computer assisted method on standardized radiographs taken at baseline and after a 3-year follow-up. Pain, stiffness, and physical function subscales of the Western Ontario and McMaster Universities (WOMAC) were assessed at the same time points. Type II collagen peptides Coll 2-1 and Coll 2-1 NO(2), as well as pyridinoline (Pyr) and deoxypyridinoline (D-Pyr) were measured in urines at baseline, after 1 year and 3 years, with specific immunoassays. RESULTS: At baseline, significant correlations were found between the urinary Coll 2-1 and Coll 2-1 NO(2) levels and the global WOMAC score (Coll 2-1: r=0.28, P=0.01; Coll 2-1 NO(2): r=0.27, P=0.02) and its subscales for pain (Coll 2-1: r=0.27, P=0.01; Coll 2-1 NO(2): r=0.30, P=0.01) and function (Coll 2-1: r=0.29, P=0.01; Coll 2-1 NO(2): r=0.27, P=0.02). Pyr and D-Pyr levels were not significantly correlated with the WOMAC scores. One-year change in Coll 2-1 and Coll 2-1 NO(2) urinary levels were negatively correlated with a 3-year change in JSW (Coll 2-1: r=-0.31, P=0.03; Coll 2-1 NO(2): r=-0.31, P=0.03), indicating that an increase of Coll 2-1 or Coll 2-1 NO(2) over 1 year is predictive of subsequent joint space narrowing. Neither Pyr nor D-Pyr was correlated with radiological OA progression. CONCLUSIONS: At baseline, Coll 2-1 and Coll 2-1 NO(2) urinary levels were indicative of the clinical activity of knee OA and the increase of these peptides over 1 year was predictive of the radiological progression of knee OA.
Disciplines :
Rheumatology
Author, co-author :
Deberg, Michelle ;  Université de Liège - ULiège > Département des sciences de la motricité > Unité de recherche sur l'os et le cartillage (U.R.O.C.)
Labasse, Alain ;  Université de Liège - ULiège > Département des sciences de la motricité > Pathologie générale et physiopathologie
Collette, Julien ;  Centre Hospitalier Universitaire de Liège - CHU > Secteur dispatching
Seidel, Laurence  ;  Centre Hospitalier Universitaire de Liège - CHU > Non budgétaires
Reginster, Jean-Yves  ;  Université de Liège - ULiège > Département des sciences de la santé publique > Santé publique, Epidémiologie et Economie de la santé
Henrotin, Yves  ;  Université de Liège - ULiège > Département des sciences de la motricité > Unité de recherche sur l'os et le cartillage (U.R.O.C.) - Didactique des sciences de la santé - Pathologie générale et physiopathologie
Language :
English
Title :
One-year increase of Coll 2-1, a new marker of type II collagen degradation, in urine is highly predictive of radiological OA progression.
Publication date :
2005
Journal title :
Osteoarthritis and Cartilage
ISSN :
1063-4584
eISSN :
1522-9653
Publisher :
W.B. Saunders, London, United Kingdom
Volume :
13
Issue :
12
Pages :
1059-65
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 November 2010

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