Zymosan-induced arthritis in rats. II. Effects of anti-inflammatory drugs. 1995

P Gegout, and P Gillet, and B Terlain, and P Netter
Laboratoire de Pharmacologie, URA CNRS 1288, Faculté de Médecine, Université Henri Poincaré Nancy I, Vandoeuvre les Nancy.

As zymosan-induced arthritis in rats combines dual activation of early prostaglandin-dependent processes (edema, fever, pain) and IL-1 related effects on cartilage metabolism, we compared the respective influences of indomethacin (IMT) and dexamethasone (DEX) on its course. Different parameters were assessed: knee swelling, febrile response, loss of activity, cartilage metabolism and histology. DEX improved all these parameters, while IMT exerted only light beneficial effects on fever and knee swelling without obvious beneficial influence on cartilage metabolism and histological lesions. These results suggest that anti-inflammatory activities of DEX and IMT are due to interferences with different pathways during zymosan-induced arthritis in rats.

UI MeSH Term Description Entries
D007213 Indomethacin A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES. Amuno,Indocid,Indocin,Indomet 140,Indometacin,Indomethacin Hydrochloride,Metindol,Osmosin
D007719 Knee Joint A synovial hinge connection formed between the bones of the FEMUR; TIBIA; and PATELLA. Superior Tibiofibular Joint,Joint, Knee,Joint, Superior Tibiofibular,Knee Joints,Superior Tibiofibular Joints,Tibiofibular Joint, Superior
D008297 Male Males
D010329 Patella The flat, triangular bone situated at the anterior part of the KNEE. Knee Cap,Kneecap,Knee Caps,Kneecaps,Patellas
D011509 Proteoglycans Glycoproteins which have a very high polysaccharide content. Proteoglycan,Proteoglycan Type H
D002358 Cartilage, Articular A protective layer of firm, flexible cartilage over the articulating ends of bones. It provides a smooth surface for joint movement, protecting the ends of long bones from wear at points of contact. Articular Cartilage,Articular Cartilages,Cartilages, Articular
D003907 Dexamethasone An anti-inflammatory 9-fluoro-glucocorticoid. Hexadecadrol,Decaject,Decaject-L.A.,Decameth,Decaspray,Dexasone,Dexpak,Hexadrol,Maxidex,Methylfluorprednisolone,Millicorten,Oradexon,Decaject L.A.
D004487 Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. Dropsy,Hydrops,Anasarca
D005334 Fever An abnormal elevation of body temperature, usually as a result of a pathologic process. Pyrexia,Fevers,Pyrexias
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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