Abstract
Objective To explore the expression of p130Cas and c-erbB-2 in human breast carcinoma and the relationship between p130Cas and c-erbB-2 levels with clinical and pathological characteristics. Methods Immunohistochemistry SP staining was applied to detect the expression of p130Cas and c-erbB-2 in tumor tissues from 53 cases of human primary breast carcinoma,10 cases of breast fibroadenoma and in 10 cases of normal breast tissues. Results Breast carcinoma tissues showed higher levels of p130Cas and c-erbB-2 than normal and fibroadenoma tissues(both P＜0.01).The expression of p130Cas was related with age, menopausal status, ER, PR status and histological grades, but not related with tumor size, lymph node status and pathological stages. The expression of c-erbB-2 was related with ER status, histological grades and lymph node status, but not related with age, menopausal status, PR status, tumor size and pathological stages. There were no significant correlations between p130Cas and c-erbB-2. Conclusion p130Cas and c-erbB-2 have relations with the malignant transformation and differentiation of breast carcinoma.c-erbB-2 is associated with metastasis of breast carcinoma.p130Cas and c-erbB-2 can be served as useful indicators in the prognosis of breast carcinoma. Key words: Breast neoplasms; Genes,erbB-2; Adaptor proteins,signal trandueing
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