K Shen1, J Lang, L Guo. 1. Peking Union Medical College Hospital, Beijing.
Abstract
OBJECTIVE: To determine the prevalence of C-erbB3 abnormal protein expression in transitional cell carcinoma of the ovary in our hospital and to analyse the correlation between the overexpression of C-erbB3 protein and prognostic parameters of transitional cell carcinoma of the ovary. METHODS: Thirty-two transitional cell carcinoma of the ovary and 20 normal ovaries were studied for overexpression of C-erbB3 protein by immunohistochemical staining (IHS), using the monoclonal antibody RJT2 on paraffin sections. RESULTS: Forty seven percent of 32 samples of transitional cell carcinoma of the ovary showed positive IHS with RJT2, and 39% of 20 normal ovaries showed positive cytoplasmic and membrane staining (P > 0.05). C-erbB3 overexpression did not correlate with age, CA125 levels, histological grade and lymph node metastases, but patients with overexpression of C-erbB3 had a poorer prognosis. CONCLUSION: Overexpression of C-erbB3 is a common event in transitional cell carcinoma of ovary. Further studies are warranted to clarify the role of C-erbB3 in transitional cell carcinoma of the ovary.
OBJECTIVE: To determine the prevalence of C-erbB3 abnormal protein expression in transitional cell carcinoma of the ovary in our hospital and to analyse the correlation between the overexpression of C-erbB3 protein and prognostic parameters of transitional cell carcinoma of the ovary. METHODS: Thirty-two transitional cell carcinoma of the ovary and 20 normal ovaries were studied for overexpression of C-erbB3 protein by immunohistochemical staining (IHS), using the monoclonal antibody RJT2 on paraffin sections. RESULTS: Forty seven percent of 32 samples of transitional cell carcinoma of the ovary showed positive IHS with RJT2, and 39% of 20 normal ovaries showed positive cytoplasmic and membrane staining (P > 0.05). C-erbB3 overexpression did not correlate with age, CA125 levels, histological grade and lymph node metastases, but patients with overexpression of C-erbB3 had a poorer prognosis. CONCLUSION: Overexpression of C-erbB3 is a common event in transitional cell carcinoma of ovary. Further studies are warranted to clarify the role of C-erbB3 in transitional cell carcinoma of the ovary.
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