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HOME > J Pathol Transl Med > Volume 27(3); 1993 > Article
Original Article Correlation between Expression of c-erbB-2 Oncogene and Various Prognostic Factors in the Colorectal Carcinoma.
Wan Kim, Hong Ran Choi, Ji Shin Lee, Jong Tae Park, Chang Soo Park, Kyu Hyuk Cho
Journal of Pathology and Translational Medicine 1993;27(3):217-225
DOI: https://doi.org/
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Department of Pathology, Chonnam University Medical School, Kwangju, Korea.

The c-erbB-2 oncogene, which is a new human proto-oncogene similar to EGFR structurally, generates a glycoprotein of tyrosine kinase family with a molecular weight of 185,000 To evaluate the prognostic significance of c-erbB-2 oncogene expression in colorectal carcinoma, We analysed 73 colorectal carcinomas in paraffin sections immunohistochemically, using the monoclonal antibody specific for the c-erbB-2 oncogene product and correlated with clinicopathological data. The results were as follows 1) The immunoreactivity for c-erbB-2 oncogene was localized to cell membrane of the tumor cells and occasionally observed within the cytoplasm. 2) The positivity of c-erbB-2 oncogene expression was 71.2%(52/73) of the colorectal carcinomas overall. According to the histological types, the positivity of c-erbB-2 oncogene in adenocarcinoma(77.4%) was higher than that in mucinous carcinoma(36.4%)(p<0.05). 3) Expression of c-erbB-2 oncogene was significantly correlated with lymph node metastasis or distant metastasis(p=0.0117), Dukes stage(p=0.0432), and TNM classification(p=0.0102). These results suggest that c-erbB-2 oncogene expression may be used as a prognostic factor of colorectal carcinoma because of its correlation with other clinicopathological prognostic factors.


JPTM : Journal of Pathology and Translational Medicine