ArticleRheumatology international2004
Autoimmune reaction to type II collagen and cartilage degeneration in MRL/Mp- lpr/lpr mouse.
Article in Rheumatology international, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 3 citations in OpenAlex.
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
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Abstract
The early phase of cartilage degeneration was immunohistochemically examined in order to clarify the importance of autoimmune reaction against type II collagen in MRL/Mp- lpr/lpr (MRL/ l) mouse in an experimental model of rheumatoid arthritis (RA). Anti-type II collagen antibodies were detectable in 3-week-old mice and preceded the appearance of rheumatoid factors. Furthermore, mesenchymal cells and tartrate-resistant acid phosphatase-positive cells began to accumulate remarkably in the periphysis, a fibrochondro-osseous area in the bone marrow vicinity. The numbers of these cells increased with mice age, together with serum levels of anti-type II collagen antibodies. Immunostaining of the periphysis revealed expression of type II collagen, IgG, C3, Mac-3, MHC class II antigen Ia, and cathepsin-L. Osteoclast-like cells and macrophage infiltration into the lesion area were confirmed by transmission electron microscopy. The results indicate that cartilage degeneration in MRL/ l mouse may originate in the periphysis and progress via a pathway independent of synovial invasion.
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