Sims, CD and Butler, PE and Cao, YL and Casanova, R and Randolph, MA and Black, A and Vacanti, CA and Yaremchuk, MJ (1998) Tissue engineered neocartilage using plasma derived polymer substrates and chondrocytes. Plast.Reconstr.Surg. , 101 (6) 1580 - 1585.
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This study demonstrates that fibrin monomers can be polymerized into moldable gels and used for the encapsulation of isolated chondrocytes. This biologically derived scaffold will maintain three-dimensional spatial support, allowing new tissue development in a subcutaneous space. Chondrocytes isolated from the glenohumeral and humeroradioulnar joints of a calf were combined with cyroprecipitate and polymerized with bovine thrombin to create a fibrin glue gel with a final cell density of 12.5 x 10(6) cells/ml. The polymer-chondrocyte constructs were implanted subcutaneously in 12 nude mice and incubated for 6 and 12 weeks in vivo. Histologic and biochemical analysis including deoxyribonucleic acid (DNA) and glycosaminoglycan quantitation confirmed the presence of actively proliferating chondrocytes with production of a well-formed cartilaginous matrix in the transplanted samples. Control specimens from 12 implantation sites consisting of chondrocytes alone or fibrin glue substrates did not demonstrate any gross or histologic evidence of neocartilage formation. Moldable autogenous fibrin glue polymer systems have a potential to serve as alternatives to current proprietary polymer systems used for tissue engineering cartilage as well as autogenous grafts and alloplastic materials used for facial skeletal and soft-tissue augmentation
|Title:||Tissue engineered neocartilage using plasma derived polymer substrates and chondrocytes|
|Additional information:||DA - 19980528IS - 0032-1052 (Print)LA - engPT - Journal ArticlePT - Research Support, Non-U.S. Gov'tRN - 0 (Fibrin Tissue Adhesive)RN - 0 (Polymers)SB - AIMSB - IM|
|Keywords:||analysis, Animals, Biomedical Engineering, Cartilage, Cartilage, Articular, Cattle, Chondrocytes, Dna, Female, Fibrin Tissue Adhesive, growth & development, Humans, Mice, Mice, Nude, Polymers, surgery, Tissue Engineering, transplantation|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Surgery and Interventional Science (Division of)|
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