Article (Scientific journals)
Type II collagen peptides for measuring cartilage degradation
Henrotin, Yves; Deberg, Michelle; Dubuc, J. E. et al.
2004In Biorheology, 41 (3-4), p. 543-547
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Keywords :
ageing; osteoarthritis; biological markers; nitric oxide; oxygen
Abstract :
[en] This paper describes two new immunoassays for a peptide of the triple helix of type II collagen (Coll 2-1) and its nitrated form (Coll 2-1 NO2). In healthy subjects aged between 20 and 65 years old, Coll 2-1 and Coll 2-1 NO2 levels in serum were in means 125.13+/-3.71 and 0.16+/-0.08 nmol/l, respectively. These levels did not significantly vary with age. However, up to 45 years of age, Coll 2-1 NO2 levels in women were significantly higher than in men. In patients with knee osteoarthritis (OA), Coll 2-1 in serum was found to be elevated compared to healthy controls (267.45+/-26.42 nmol/l vs 126.78+/-6.61 nmol/l). Further, we have demonstrated that an increase of the urinary levels of Coll 2-1 or Coll 2-1 NO2 over 1 year was predictive of joint space narrowing progression in OA patients. In conclusion, these preliminary results indicate that Coll 2-1 could be a predictive marker of knee OA progression.
Disciplines :
Laboratory medicine & medical technology
Hematology
Biochemistry, biophysics & molecular biology
Author, co-author :
Henrotin, Yves  ;  Université de Liège - ULiège > Unité de recherche sur l'os et le cartillage (U.R.O.C.)
Deberg, Michelle ;  Université de Liège - ULiège > Unité de recherche sur l'os et le cartillage (U.R.O.C.)
Dubuc, J. E.
Quettier, E.
Christgau, S.
Reginster, Jean-Yves  ;  Université de Liège - ULiège > Département des sciences de la santé publique > Epidémiologie et santé publique
Language :
English
Title :
Type II collagen peptides for measuring cartilage degradation
Publication date :
2004
Journal title :
Biorheology
ISSN :
0006-355X
Publisher :
Ios Press, Amsterdam, Netherlands
Volume :
41
Issue :
3-4
Pages :
543-547
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 February 2012

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