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p73 overexpression ...
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Sun, Xiao-FengÖstergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Onkologi,Onkologiska kliniken US
(author)
p73 overexpression is a prognostic factor in patients with colorectal adenocarcinoma
- Article/chapterEnglish2002
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LIBRIS-ID:oai:DiVA.org:liu-48996
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-48996URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Purpose: To examine the expression of p73 in the different stages of colorectal cancer development and the association of p73 expression with patient survival. Experimental Design: Expression of p73 protein was evaluated by immunohistochemistry in 221 primary colorectal cancer patients, including 58 patients with matched normal mucosa and metastases in the regional lymph nodes. Results: Frequency and intensity of p73 expression were markedly increased from the normal samples (19%) to primary tumors (67%) and to metastases (95%). Overexpression of p73 predicted poor outcome in the whole group of patients (P = 0.014) and the subgroups with left-sided (P = 0.002) or ras-positive tumors (P = 0.019). The prognostic significance remained in the whole group (P = 0.008) and the subgroup with left-sided tumors (P = 0.019) after adjustment for the patient's sex, age, tumor stage, growth pattern, and differentiation. The p73 expression was positively correlated with ras expression (P = 0.006). The 5-year survival rates were 37, 53, 72, and 74% for the patients with p73+/ras+, p73+/ras-, p73-/ras+, and p73-/ras- tumors, respectively (P = 0.007). Conclusion: Our data indicate that overexpression of p73 independently predicted poor prognosis in the patients with colorectal cancer.
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Linköpings universitetHälsouniversitetet
(creator_code:org_t)
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In:Clinical Cancer Research8:1, s. 165-1701078-04321557-3265
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