Lessons from animal models of osteoarthritis.
Publication year
2001Author(s)
Source
Current Opinion in Rheumatology, 13, 5, (2001), pp. 452--6ISSN
Publication type
Article / Letter to editor
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Organization
Rheumatology
Journal title
Current Opinion in Rheumatology
Volume
vol. 13
Issue
iss. 5
Page start
p. 452-
Page end
p. 6
Subject
Chronic arthritis: Pathogenesis and treatment; Chronische arthritis: Pathogenese en behandelingAbstract
Characterization of transgenic murine osteoarthritis (OA) models and analysis of anterior cruciate ligament and meniscectomy models in various species, including rodents, has provided insight into pathogenic mechanisms and impact of loading. Development of a transgenic murine OA model by postnatal expression in hyaline cartilage of constitutively expressed human matrix metalloproteinase-13 emphasizes the potential role of this enzyme. On the other hand, collagenase involvement in OA models seems a confined focal process, complicating therapeutic approaches. The potential role of interleukin-1 still needs further confirmation. Apart from destructive cytokines, disturbed growth factor responses seems obvious. Transforming growth factor-beta is a crucial mediator in osteophyte formation, but its role in cartilage destruction has not yet been clarified. Nitric oxide appears involved in chondrocyte apoptosis and blocking of nitric oxide provides protection against joint pathology in OA models. Treatment with a range of disease-modifying drugs showed some efficacy in a number of OA models, but its predictive value for human OA remains obscure.
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- Academic publications [245263]
- Faculty of Medical Sciences [93208]
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