School of Dentistry/Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
Oral and Maxillofacial Surgery Unit/ Clinical Hospital of Porto Alegre (HCPA), School of Dentistry/Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
PLoS One. 2020 Apr 15;15(4):e0231734. doi: 10.1371/journal.pone.0231734. eCollection 2020.
Osteoarthritis is a degenerative disease that causes substantial changes in joint tissues, such as cartilage degeneration and subchondral bone sclerosis. Chondroitin sulfate and glucosamine are commonly used products for the symptomatic treatment of osteoarthritis. The aim of the present study was to investigate the effects of these products when used as structure-modifying drugs on the progression of osteoarthritis in the rabbit temporomandibular joint. Thirty-six New Zealand rabbits were divided into 3 groups (n = 12/group): control (no disease); osteoarthritis (disease induction); and treatment (disease induction and administration of chondroitin sulfate and glucosamine). Osteoarthritis was induced by intra-articular injection of monosodium iodoacetate. Animals were killed at 30 and 90 days after initiation of therapy. The treatment was effective in reducing disease severity, with late effects and changes in the concentration of glycosaminoglycans in the articular disc. The results indicate that chondroitin sulfate and glucosamine may have a structure-modifying effect on the tissues of rabbit temporomandibular joints altered by osteoarthritis.
骨关节炎是一种退行性疾病,会导致关节组织发生实质性变化,如软骨退化和软骨下骨硬化。硫酸软骨素和氨基葡萄糖是常用于治疗骨关节炎症状的产品。本研究旨在探讨这些产品作为结构修饰药物对兔颞下颌关节骨关节炎进展的影响。36 只新西兰兔被分为 3 组(每组 n = 12):对照组(无疾病);骨关节炎组(疾病诱导);治疗组(疾病诱导和硫酸软骨素与氨基葡萄糖给药)。通过关节内注射单碘乙酸钠诱导骨关节炎。在治疗开始后 30 和 90 天处死动物。治疗组能有效减轻疾病严重程度,对关节盘中糖胺聚糖的浓度也有迟发作用和改变。结果表明,硫酸软骨素和氨基葡萄糖可能对骨关节炎改变的兔颞下颌关节组织具有结构修饰作用。
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