
Expression analysis of the protein tyrosine kinases, focal adhesion kinase (FAK) and proline-rich tyrosine kinase2 (Pyk2) in high grade osteosarcomas.Expression of the kinases was evaluated qualitatively by immunohistochemical staining and quantitatively by real-time PCR.Osteoblastic cells of high grade osteosarcomas show a distinct FAK expression but an overexpression at the transcriptional level could not be detected. The Pyk2-mRNA expression was decreased in osteosarcomas.An altered relationship of FAK and Pyk2 was observed for different tumors and could also be important for osteosarcoma development.
Adult, Male, Osteosarcoma, Adolescent, Bone Neoplasms, Middle Aged, Protein-Tyrosine Kinases, Immunohistochemistry, Polymerase Chain Reaction, Child, Preschool, Focal Adhesion Kinase 1, Focal Adhesion Protein-Tyrosine Kinases, Humans, Female, Child, Aged
Adult, Male, Osteosarcoma, Adolescent, Bone Neoplasms, Middle Aged, Protein-Tyrosine Kinases, Immunohistochemistry, Polymerase Chain Reaction, Child, Preschool, Focal Adhesion Kinase 1, Focal Adhesion Protein-Tyrosine Kinases, Humans, Female, Child, Aged
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