نتایج جستجو برای: chondrocyte phenotype
تعداد نتایج: 167099 فیلتر نتایج به سال:
Due to the low proliferative and migratory capacities of chondrocytes, cartilage repair remains a challenging clinical problem. Current therapeutic strategies for cartilage repair result in unsatisfactory outcomes. Autologous chondrocyte implantation (ACI) is a cell based therapy that relies on the in vitro expansion of healthy chondrocytes from the patient, during which proliferation‑promoting...
BACKGROUND Although the clinical results of autologous chondrocyte implantation for articular cartilage defects have recently improved as a result of advanced techniques based on tissue engineering procedures, problems with cell handling and scaffold imperfections remain to be solved. A new cell-sheet technique has been developed, and is potentially able to overcome these obstacles. Chondrocyte...
UNLABELLED Articular cartilage is not a physiologically self-renewing tissue. Injury of cartilage often progresses from the articular surface to the subchondral bone, leading to pathogenesis of tissue degenerative diseases, such as osteoarthritis. Therapies to treat cartilage defects using autologous chondrocyte-based tissue engineering have been developed and used for more than 20 years; howev...
Introduction: The Swarm rat chondrosarcoma is a model system for the study of chondrocyte metabolism and matrix synthesis, especially proteoglycans. Chondrocytes, when cultured in monolayer tend to dedifferentiate into fibroblasts over time, yet parallels are often drawn between in vitro monolayer culture and the in vivo state of cartilage, even though the cells are phenotypically different. A ...
This study demonstrates severe malformations of the appendicular skeleton in mice overexpressing Hoxc11. Consistent with the endogenous expression pattern, the most conspicuous defect in Hoxc11 overexpressing neonates is aplasia/hypoplasia of the fibula. This is preceded at day 15.5 of embryonic development by marked reduction of chondrocyte proliferation, lack of PTHR expressing prehypertrophi...
Osteoarthritis (OA) might affect chondrocyte culture characteristics and complement expression. Therefore, this study addressed the interrelation between macroscopical and microscopical structure, complement expression, and chondrocyte culture characteristics in non-OA and OA cartilage. Femoral head cartilage samples harvested from patients with femoral neck fractures (FNFs) and OA were analyze...
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