期刊
RESEARCH IN VETERINARY SCIENCE
卷 94, 期 3, 页码 379-387出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2012.11.020
关键词
Sheep; Osteoarthritis; Meniscectomy; Femorotibial joint; Stanozolol
Aim of the study was to verify the clinical and morphological effects of intra-articular stanozolol or placebo treatment, lasting 3 and 9 months, in sheep in which a femoro-tibial osteo-arthritis (OA) were surgically induced (medial bilateral meniscectomy). Twenty healthy sheep divided into four groups and two control animals group, after surgical medial bilateral meniscectomy, were weekly injected in femoral-tibial joint (FTJ) with stanozolol or placebo. Lameness evaluation was performed and synovial fluid was collected from all sheep at each treatment time. Necropsies were performed after 3 or 9 month as described in experimental design. Gross pathologies were described and specimen tissues collected from femoro-tibial articular joints were processed for routine histological examination. The gross anatomy of the FTJ was well-preserved in stanozolol-treated sheep; this also applied to the histological features of articular cartilage. Joint aseptic inflammation and fibrosis were observed in placebo-treated sheep, associated with a different degree of severity of condylar and tibial plate cartilage degeneration. Stanozolol intra-articular treatment reduces osteophytes formation and subchondral bone reaction and promotes articular cartilage regeneration. (C) 2012 Elsevier Ltd. All rights reserved.
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