B-cell lymphoma 2 and β-catenin expression in colorectal cancer and their prognostic role following surgery

Molecular Medicine Reports
Manuela BalziPaolo Bechi

Abstract

The prognosis of colorectal cancer depends on the stage of the disease. However, even within the same stage there may be different outcomes in terms of recurrence and survival. Therefore, it is clear that as well as pathological stage, novel biomarkers that are capable of improving risk stratification and therapeutic decision-making are required. The present study aimed to evaluate the potential roles of two previously proposed biomarkers of tumour status: B-cell lymphoma 2 (Bcl-2) and β-catenin. A total of 412 patients undergoing surgery for primary colorectal cancer were studied. Tumour specimens of the patients were collected, fixed and processed for immunohistochemical detection of Bcl-2 and β-catenin. The data were then analyzed in relation to disease-free survival and overall survival. Pathological stage was the only variable that was significantly correlated with both disease-free and overall survival. The expression levels of neither Bcl-2 nor β-catenin were able to accurately predict prognosis. However, there was a clear association between nuclear β-catenin expression levels and disease-free survival in the three tumour stages. There was an increased hazard ratio in stage I and II nuclear β-catenin positive tumours, w...Continue Reading

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Apr 19, 2018·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Leilei Yuan, Junhong Tian

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