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izvor podataka: crosbi

The expression of p185(her-2/neu) correlates with the stage of disease and survival in colorectal cancer (CROSBI ID 77693)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Kapitanović, Sanja ; Radošević, Senka ; Kapitanović, Milan ; Anđelinović, Šimun ; Ferenčić, Željko ; Tavassoli, Mahvash ; Primorac, Dragan ; Sonicki, Zdenko ; Spaventi, Šime ; Pavelić, Krešimir et al. The expression of p185(her-2/neu) correlates with the stage of disease and survival in colorectal cancer // Gastroenterology (New York, N.Y. 1943), 112 (1997), 4; 1103-1113-x

Podaci o odgovornosti

Kapitanović, Sanja ; Radošević, Senka ; Kapitanović, Milan ; Anđelinović, Šimun ; Ferenčić, Željko ; Tavassoli, Mahvash ; Primorac, Dragan ; Sonicki, Zdenko ; Spaventi, Šime ; Pavelić, Krešimir ; Spaventi, Radan

engleski

The expression of p185(her-2/neu) correlates with the stage of disease and survival in colorectal cancer

Background & Aims: HER-2/neu oncogene encodes a transmembrane tyrosine kinase receptor that is amplified and/or overexpressed predominantly in adenocarcinomas. This phenomenon has been most intensively studied in breast carcinoma where its amplification and overexpression correlate with the overall course of disease and poor prognosis. This study was designed to investigate HER-2/neu gene expression in benign and malignant colorectal lesions and to evaluate its prognostic importance in colorectal cancer. Methods: Two hundred twenty-one samples of normal colon, benign lesions, and colorectal adenocarcinomas were studied for expression of HER-2/neu oncoprotein. Immunohistochemical staining of formalin-fixed, paraffin-embedded tissue sections of primary tumor and lymph nodes was performed. Immunoprecipitation followed by Western blotting of freshly frozen samples of the same tumors were also performed. Results: Normal colon mucosa, benign lesions, and adenocarcinomas clearly differed in the expression levels and histological distribution of p185(HER-2/neu). Normal mucosa was mostly negative, but significant number of benign lesions and adenocarcinomas overexpressed HER-2/neu protein. Adenocarcinomas were significantly more positive than benign lesions. The results show significant correlation with the epithelial abnormality degree and clinical parameters including Dukes" classification and relapse-free and postoperative survival period. Conclusions: The p185(HER-2/neu) rate expression could serve as an independent prognostic factor in patients with p185(HER-2)/(neu)-positive colorectal malignancies. [References: 47]

growth-factor-receptor; human-breast cancer; neu oncogene; c-erbb-2 oncogene; carcinoma cells; proto-oncogene; gene; protooncogene; amplification; erbb-2

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Podaci o izdanju

112 (4)

1997.

1103-1113-x

objavljeno

0016-5085

Povezanost rada

Temeljne medicinske znanosti, Kliničke medicinske znanosti

Indeksiranost