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Immunohistochemical detection of c-erbB-2 oncoprotein in patients with breast cancer

Immunohistochemical detection of c-erbB-2 oncoprotein in patients with breast cancer

Journal of the Medical Association of Thailand 79(11): 715-721

Using a polyclonal antibody against the c-erbB-2 gene product, an immunohistochemical study on the expression of c-erbB-2 oncoprotein was performed in routine formalin-fixed, paraffin-embedded tissue sections from 119 patients with primary breast cancer. Overexpression of c-erbB-2 protein was detected in 35 cases (29%). There was a strongly negative association between c-erbB-2 protein overexpression and estrogen receptor status (p < 0.001). Expression of c-erbB-2 protein was found to be related to clinical stage and tumor size (p < 0.05) but not to the number of involved nodes or age of patients at diagnosis. In addition, this study demonstrated that the c-erbB-2 protein over-expression was an effective independent prognostic indicator in patients with breast cancer.

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Accession: 046333995

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PMID: 8997010

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