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Subchondral bone cysts in horses represent one of the main causes of lameness that can occur in different anatomical locations. The study describes the treatment in regenerative therapy of the intracystic implantation of adipose tissue mesenchymal stromal cells (AMSCs) included in platelet-rich plasma (PRP). The ability of AMSCs to differentiate in osteogenic cells was tested in vitro and in vivo. Given the aim to investigate the application of AMSCs in bone defects and orthopedic pathologies in horses, a four-year-old male thoroughbred racing horse that had never raced before was treated for lameness of the left hind leg caused by a cyst of the medial femoral condyle. The horse underwent a new surgery performed with an arthroscopic approach in which the cystic cavity was filled with AMSCs contained in the PRP. Radiographs were taken 3, 5, and 10 months after the surgery to assess the development of newly regenerated bone tissue in the gap left by the cyst. Twelve months after the operation and after six months of regular daily training, the horse did not show any symptoms of lameness and started a racing career. According to the study, the use of AMSCs and PRP suggests promising benefits for treating subchondral bone cysts.
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http://dx.doi.org/10.3390/biomedicines11123307 | DOI Listing |
Connect Tissue Res
September 2025
Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
Osteoarthritis (OA) is a multifactorial, mechano-inflammatory joint disorder characterized by cartilage degradation, synovial inflammation, and subchondral bone remodeling. Despite its high prevalence and significant impact on quality of life, no disease-modifying treatments have been approved. In many other disease areas, advanced omics technologies are impacting the development of advanced therapies.
View Article and Find Full Text PDFAnn Rheum Dis
September 2025
Department of Radiology, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
Objectives: This study aims to evaluate the evolution of subchondral sacroiliac joint (SIJ) sclerosis from pregnancy to 12 months postpartum, and to explore preceding and concomitant magnetic resonance imaging (MRI) features, potentially indicating osteitis condensans ilii (OCI).
Methods: One hundred three first-time mothers were recruited for serial SIJ MRIs. MRI scans were performed at pregnancy weeks 20 and 32, and at 3, 6, and 12 months postpartum.
Osteoarthritis Cartilage
September 2025
Center for Translational Medicine, Departments of Medicine and Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, United States; Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia
Objective: Exercise is widely advocated for osteoarthritis (OA) treatment; however, its effectiveness across disease stages, particularly in advanced OA, remains inconclusive. This study assessed the impact of treadmill exercise at distinct OA stages to determine optimal intervention timing.
Methods: Following validation of a moderate treadmill protocol, 96 male C57BL/6J mice underwent destabilization of the medial meniscus (DMM) surgery on the right knee and sham surgery on the left.
J Mech Behav Biomed Mater
September 2025
Department of Mechanical Engineering, University of Louisiana at Lafayette, LA, 70503, USA. Electronic address:
Matrix metalloproteinases (MMPs) and a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS) significantly impact articular cartilage biomechanical properties in osteoarthritis (OA). However, comprehensive understanding of biomechanical responses and the efficacy of potential therapeutic interventions remains limited. This study investigates how MMPs and ADAMTS synergistically degenerate cartilage biomechanical properties under different loading conditions, and evaluates the preventive role of cartilage oligomeric matrix protein (COMP) and tissue inhibitor of metalloproteinase-3 (TIMP-3).
View Article and Find Full Text PDFInt Immunopharmacol
September 2025
Department of Orthopaedics, The Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang Province, China. Electronic address:
Osteoarthritis (OA) is a degenerative joint disease associated with imbalanced subchondral bone remodeling, and there is currently no curative treatment available. In OA, excessive osteoclast activity leads to bone loss and inflammatory responses. Dimethyl fumarate (DMF), an Nrf2 activator already used in treating psoriasis and multiple sclerosis, may alleviate OA by suppressing oxidative stress and osteoclastogenesis.
View Article and Find Full Text PDF