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find Keyword "c-met protein" 2 results
  • Relationship Between cmet, p53 Expression in Breast Carcinoma and Tumor Angiogenesis

    ObjectiveTo find the role of oncogene cmet and suppressor gene p53 in the process of tumor angiogenesis and their clinical significance. MethodsBy immunohistochemical method and computer image analysis technique, microvessel count and cmet, p53 protein expression were quantitatively determined in 80 cases of breast carcinoma and 20 cases of breast fibroadenoma. ResultsThe high microvessel count and the positive expression of cmet, p53 were significantly correlated with histologic grade, lymph node metastasis and the stage of the tumor (P<0.01). The high microvessel count was significantly correlated with the positive expression of cmet and p53 (P<0.01).ConclusionBoth oncogene cmet and suppressor gene p53 modulate tumor angiogenesis of breast carcinoma.

    Release date:2016-08-28 05:11 Export PDF Favorites Scan
  • c-met Expression in Tall Cell Variant Papillary Carcinoma of The Thyroid

    Objective To investigate the expression of c-met in tall cell variant of papillary thyroid carcinoma, and to compare it with other types of thyroid carcinoma and benign thyroid tissue. Methods The expressions of c-met in 60 cases of thyroid specimens were tested by immunohistochemical staining. Results The levels of expressed c-met in tall cell variant specimens were significantly higher than those in other types of papillary thyroid carcinoma and benign thyroid tissue. c-met expressions were significantly different in the following pairs of types: tall cell variant vs common papillary carcinoma of thyroid (P=0.000 1), tall cell variant vs follicular variant papillary thyroid carcinoma (P=0.000 1), and tall cell variant vs benign thyroid tissue (P=0.000 1). In addition, for all types of papillary carcinomas evaluated, c-met expression was significantly higher in specimens with extracapsular spread (P=0.010 0) and skeletal muscle invasion (P=0.020 0). Conclusion The high expression of c-met is a significant marker for tall cell variant papillary carcinoma of thyroid and its invasive behavior. This finding may explain the unusually aggressive behavior of this tumor and suggest a role for c-met in the early identification of patients with tall cell variant thyroid carcinoma.

    Release date:2016-09-08 11:45 Export PDF Favorites Scan
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