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HOME > J Pathol Transl Med > Volume 29(4); 1995 > Article
Original Article The Prognostic Significance of p53 Protein and PCNA in Advanced Gastric Carcinoma.
Ho Won Hwang, Hyung Bae Moon
Journal of Pathology and Translational Medicine 1995;29(4):450-458
DOI: https://doi.org/
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Department of Pathology, Wonkwang University School of Medicine, Iksan, Korea.

The 5 year-survival rates were examined to evaluate the prognositic significance of the expression of the p53 protein and the positivity of the PCNA in 108 cases of advanced gastric carcinoma. The p53 protein and PCNA were stained by immunohistochemistry in the tissue of the gastrectomized specimen. The results were as follows. 1) The overall 5 year-survival rate of advanced gastric carcinoma was 42.3 % and the significant prognostic factors were a pathologic stage and p53 protein(p<0.005). 2) The expanding or infiltrating type by Ming's classification and the intestinal or difftise type by Lauren's classification had similar prognosis. 514_ @@l %R-t 3) The 5 year-survival rate of the p53-positive group was 25.1% and that of p53-negative group was 56.1%(p<0.005). 4) The 5 year-survival rate of the PCNA low-grade tumors by PCNA stain(<50%)was 48.7% and that of the high-grade tumor(>=50%)was 29.9%(p>0.1). 5) There was a tendency to have a good prognosis in the p53-negative group and low grade tumors in the stage 11, III, and IV. There was a significant difference between p53 protein positive and negative groups in the stage III(p<0.005), but no significant differences were found in the other groups. The above results indicate that the p53 protein is an another useful tool for prediction of the prognosis in advanced gastric carcinoma.

JPTM : Journal of Pathology and Translational Medicine