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    Accumulation of p53 in relation to long-term prognosis in colorectal carcinoma.

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    Authors
    Starzynska, T
    Bromley, Michael
    Marlicz, K
    Roberts, Stephen A
    Ucinski, M
    Stern, Peter L
    Affiliation
    Department of Gastroenterology Medical Pomeranian Academy, Unii Lubelskiej, Poland.
    Issue Date
    1997-02
    
    Metadata
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    Abstract
    OBJECTIVE: To evaluate the prognostic value of p53 in colorectal cancer. DESIGN: A retrospective study to investigate the correlation between p53 in tumour tissue and the course of patients' disease. PATIENTS: One hundred and two patients who underwent radical surgery for colorectal cancer and were followed up for a minimum of 5 years, or until death, were included in this study. METHODS: The p53 expression in tumour tissue was studied by immunohistochemistry using CM1 polyclonal rabbit antibody and formalin-fixed, paraffin-embedded material. RESULTS: p53 accumulation was detected in 46% (47/102) of the tumours. There was no significant difference in long-term survival between the patients with p53 positive and negative tumours (P=0.86). Five-year survival rates were 55% for p53 positive tumours compared with 56% for patients with p53 negative tumours. However, patients with p53 overexpressing tumours showed a higher local recurrence rate than those having carcinomas with undetectable levels of p53, 23% versus 9% respectively; the 2-year actuarial rates of 26% and 9% were statistically different (P=0.015). CONCLUSION: The results suggest that in colorectal carcinoma accumulation of p53 is not associated with a difference in long-term prognosis. However, this phenomenon might be useful in the identification of patients with a high risk of local recurrence.
    Citation
    Accumulation of p53 in relation to long-term prognosis in colorectal carcinoma. 1997, 9 (2):183-6 Eur J Gastroenterol Hepatol
    Journal
    European Journal of Gastroenterology & Hepatology
    URI
    http://hdl.handle.net/10541/95473
    PubMed ID
    9058631
    Type
    Article
    Language
    en
    ISSN
    0954-691X
    Collections
    All Paterson Institute for Cancer Research

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