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Rheumatology, Osteoarthritis, Biomarker position, Bone
3. Sep 2019

Associations between biomarkers of bone and cartilage turnover, gender, pain categories and radiographic severity in knee osteoarthritis.

BACKGROUND:
Excessive cartilage degradation is a known characteristic of osteoarthritis (OA). Biochemical markers, such as uCTX-II, have been shown to be associated with disease severity, yet the tissue origin of CTX-II has been disputed. This analysis investigates the association between OA knee j…

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Bone, Extracellular Matrix Research, Osteoarthritis
10. Apr 2018

Osteoclasts degrade bone and cartilage knee joint compartments through different resorption processes

BACKGROUND:
Osteoclasts have been strongly implicated in osteoarthritic cartilage degradation, at least indirectly via bone resorption, and have been shown to degrade cartilage in vitro. The osteoclast resorption processes required to degrade subchondral bone and cartilage-the remodeling of which i…

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Rheumatology, Osteoarthritis
1. Apr 2016

Association between biomarkers of tissue inflammation and progression of osteoarthritis: evidence from the Rotterdam study cohort

BACKGROUND:
We aimed to investigate the prognostic value of two biomarkers of tissue inflammation, matrix metalloproteinase-dependent degradation of C-reactive protein (CRPM) and connective tissue type I collagen turnover (C1M), on the incidence and progression of radiographic osteoarthritis (OA) i…

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Rheumatology, Osteoarthritis
14. Aug 2013

Serological identification of fast progressors of structural damage with rheumatoid arthritis

INTRODUCTION:
Rheumatoid arthritis (RA) patients with structural progression are in most need of immediate treatment to maintain tissue integrity. The serum protein fingerprint, type I collagen degradation mediated by matrix metalloproteinases (MMP)-cleavage (C1M), is a biomarker of tissue destruct…

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Rheumatology, Osteoarthritis
18. Jan 2012

The distribution pattern of critically short telomeres in human osteoarthritic knees

INTRODUCTION
Telomere shortening is associated with a number of common age-related diseases. A role of telomere shortening in osteoarthritis (OA) has been suggested, mainly based on the assessment of mean telomere length in ex vivo expanded chondrocytes. We addressed this role directly in vivo by u…

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  • Harbo M,
  • Bendix L,
  • Bay-Jensen AC,
  • Graakjaer J,
  • Søe K,
  • Andersen TL,
  • Kjaersgaard-Andersen P,
  • Koelvraa S,
  • Delaisse JM,
Rheumatology, Osteoarthritis
24. Jul 2009

Identification of progressors in osteoarthritis by combining biochemical and MRI-based markers

INTRODUCTION:
At present, no disease-modifying osteoarthritis drugs (DMOADS) are approved by the FDA (US Food and Drug Administration); possibly partly due to inadequate trial design since efficacy demonstration requires disease progression in the placebo group. We investigated whether combinations…

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Rheumatology, Osteoarthritis
8. May 2008

Cartilage degradation is fully reversible in the presence of aggrecanase but not matrix metalloproteinase activity

INTRODUCTION:
Physiological and pathophysiological cartilage turnover may coexist in articular cartilage. The distinct enzymatic processes leading to irreversible cartilage damage, compared with those needed for continuous self-repair and regeneration, remain to be identified. We investigated the c…

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