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Título: | Immunohistochemical study of the upper surface layer in rat mandibular condylar cartilage |
Fecha de publicación: | 2004 |
Editorial: | Murcia : F. Hernández |
ISSN: | 0213-3911 |
Materias relacionadas: | CDU::6 - Ciencias aplicadas::61 - Medicina::611 - Anatomía |
Palabras clave: | Articular cartilage Fibronectin |
Resumen: | Both hyaluronic acid and fibronectin localizations were examined in the upper surface layer of rat mandibular condylar cartilages by immunohistochemical techniques. Their delicate structure was successfully preserved by preparation procedures of joint condyles with disks. Paraformaldehyde-fixed cartilaginous tissues were cut in a cryostat, and cryosections were analyzed using streptavidinperoxidase and indirect immunofluorescence methods. Another immunogold method with conventional preparation procedures and a quick-freezing method was performed for their ultrastructural analyses. Both hyaluronic acid-binding protein and anti-fibronectin antibody were used to localize hyaluronic acid and fibronectin in the mandibular condylar cartilage, respectively. Some cryosections were pre-treated with hyaluronidase and chondroitinase before such labeling. The upper surface layer was composed of double laminar structures. One bordered with the cartilage matriceal surface, which was positive for fibronectin. The hyaluronic acid was localized over the fibronectin layer. Therefore, the hyaluronic acid in vivo was bound with fibronectin in the cartilaginous matrix, performing lubrication for the mandibular joint movement. |
Autor/es principal/es: | Zea-Aragón, Z. Ohtsuki, K. Ohnishi, M. Ohno, S. |
Forma parte de: | Histology and histopathology |
URI: | http://hdl.handle.net/10201/21542 |
Tipo de documento: | info:eu-repo/semantics/article |
Número páginas / Extensión: | 8 |
Derechos: | info:eu-repo/semantics/openAccess |
Aparece en las colecciones: | Vol.19, nº 1 (2004) |
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Immunohistochemical study of the upper.pdf | 5,77 MB | Adobe PDF | Visualizar/Abrir |
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