The expression and significance of VEGF and NF-κB p65 in adenoma
10.3760/cma.j.issn.1008-6315.2011.08.017
- VernacularTitle:血管内皮生长因子和核转录因子p65在多形性腺瘤中的表达及其意义
- Author:
Qiang ZHANG
;
Jinyuan LI
;
Xiaobo WANG
- Publication Type:Journal Article
- Keywords:
Pleomorphic adenoma;
Immunohistochemistry;
Vascular endothelial growth factor;
NF-κB;
p65
- From:
Clinical Medicine of China
2011;27(8):833-835
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the expression and significance of VEGF and NF-κB/p65 in the two subtypes of pleomorphic adenoma. Methods Immunohistochemistry was applied to detect the expression of VEGF and NF-κB/p65 in pleomorphic adenoma of 60 patients including 31 cases of cell-rich and 29 cases of stroma-rich as well as normal salivary gland tissues of 30 cases from adjacent tumor. Results VEGF positive staining was mainly found in tumor epithelia,while NF-κB/p65 positive was detected in gland alveolus cell and ductal epithelia. The Mean optical density( MA ) values of VEGF were 955.67 ± 305.79,149. 13 ± 60. 85 and 53.46 ± 9. 66, respectively, in cell-rich adenoma, stroma-rich adenoma and normal control. The difference in VEGF expression between the groups was significant (Ps ＜ 0. 05 ) . The MA values of NF-κB/p65 were 529. 80 ± 164. 81,43.40 ±5.46 and 6. 84 ± 1.91 ,respectively,in three groups mentioned above. The difference in NF-κB/p65 expression between the groups was significant ( Ps ＜ 0. 05 ). In pleomorphic adenoma, the expression level of NF-κB/p65 was positively correlated with VEGF. Conclusion ( 1 ) The angiogenesis and proliferation potential of carcinomas increased with the cell component in pleomorphic adenoma. Stroma-poor adenoma is more frequently subjected to malignant transformation than stroma-rich adenoma. (2) NF-κB/p65 may have effects on angiogenesis by activating VEGF. Detecting the expression of VEGF and NF-κB/p65 may be helpful to predict the biological behavior of pleomorphic adenoma and prognosis of the patients, which couldprovide useful information for future targeted therapy of pleomorphic adenoma.
