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A major goal of liver tissue engineering is to understand how the constituent cell types interact to achieve liver-specific structure and function. Here we show that hepatocytes migrate toward and adhere to endothelial vascular structures formed on Matrigel in vitro , and that hepatocyte...
Articular cartilage provides a low-friction surface for joint articulation, with boundary lubrication facilitated by proteoglycan 4 (PRG4), which is secreted by chondrocytes of the superficial zone. Chondrocytes from different zones are phenotypically distinct, and their phenotypes in vitro are...
In order to evaluate the repair potential in large osteochondral defects on high load-bearing sites, a hybrid scaffold system was made of three-dimensional porous Polycaprolactone (PCL) scaffold for the cartilage and tricalcium phosphate–reinforced PCL for the bone portion. Osteochondral...
This study investigated the hypothesis that spraying autologous mesenchymal stem cells (MSCs) onto grooved hydroxyapatite (HA) coated collars of segmental bone tumor implants would increase bone growth and contact to the implant surface in an ovine model. Autologous MSCs were isolated from bone...
Alveolar bone resorption caused by periodontal diseases remains a difficult clinical problem to treat. Our purpose here was to develop protocols for repairing experimental horizontal alveolar bone defects. The procedure entailed isolating bone marrow stromal cells (BMSC). They were expanded and...
Human mesenchymal stem cells (MSCs) were suspended in phosphate-buffered saline (PBS) and stored up to 24 h at 4°C, 24°C, and 37°C. More than 80% viability was maintained at any temperature for at least 1 h, then gradually decreased over time. After 24 h, the viabilities at 4°C, 24°C, and...
This study is an investigation to evaluate in situ adipose tissue regeneration in fat pads. Gelatin microspheres with different water contents were prepared for the controlled release of basic fibroblast growth factor (bFGF). After a collagen sponge scaffold was incorporated by the microspheres...
We tested the hypotheses that angiogenic efficacy of cord blood mononuclear cell (CBMNC) transplantation would be enhanced by using matrix and that combined therapy of CBMNC transplantation using matrix and sustained delivery of basic fibroblast growth factor (bFGF) would be synergistic in...
Human cartilage was produced using fetal chondrocytes seeded into polyglycolic acid (PGA) mesh scaffolds and cultured in recirculation bioreactors. The effect of scaffold thickness, seeding cell density, and bioreactor operating conditions on the quality of the engineered cartilage was...
Synoviocytes have been speculated to play potential reparative and remodeling roles in vascular meniscal injuries. In addition, synoviocytes may mediate the transformation of intraarticularly placed collagen-based scaffolds into fibrocartilage through exposure to dynamic compressive loads. The...
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