Intra-articular injection of human synovium-derived mesenchymal stem cells in beagles with surgery-induced osteoarthritis
نویسندگان
چکیده
BackgroundRecently, cell-based tissue engineering approaches using mesenchymal stem cells (MSCs) have been used to treat osteoarthritis (OA). However, the efficacy of human synovium-derived MSCs (hSD-MSCs) has not yet tested in a canine model OA. The purpose this study was investigate therapeutic effects intra-articular hSD-MSC injections OA model.MethodsSixty beagles underwent surgical manipulation induce and received injection 4 weeks after surgery. dogs were divided into five groups (n = 12) according material: G1, sham group; G2, control group injected with phosphate-buffered saline; G3, G4, G5, experimental different dosages (G3, 2.4 × 106 cells; 4.8 9.6 cells). Magnetic resonance imaging (MRI) histopathological immunohistochemical examinations performed 6 24 injection.ResultsMRI revealed significant improvements synovitis hSD-MSC-injected (G3–G5). Histopathologic analyses showed that cartilage structure proteoglycan staining also significantly improved these (G3–G5) further weeks. Immunohistochemical analysis differences levels collagen types I II between hSD-injected (G3–G5), indicating similar extracellular matrix (ECM) composition naïve articular cartilage.ConclusionOur demonstrated for first time ameliorates progression by restoring cartilage, promoting ECM synthesis, inhibiting inflammatory response.
منابع مشابه
Articular Cartilage Regeneration Using Intra-articular Injection of Allogeneic Synovium-derived Mesenchymal Stem Cells in A Canine Model
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ژورنال
عنوان ژورنال: Knee
سال: 2021
ISSN: ['0968-0160', '1873-5800']
DOI: https://doi.org/10.1016/j.knee.2020.11.021