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Patients with tumors expressing promoters of apoptosis (bax) versus inhibitors of apoptosis (bcl-2, bcl-x) may have increased survival. The purpose of this study was to determine the frequency of expression of apoptotic markers in hepatocellular carcinoma (HCC) and their relationship with prognosis. Seventy HCC were immunostained for bcl-2, bax, and bcl-x. Staining intensity in tumor cells was graded 0 to 3+. Follow-up data were available for mean survival (57 cases) and death rates (58 cases). These values and clinical parameters were related to prognosis. Staining frequency for bcl-2, bax, and bcl-x was 20%, 66%, and 60%, respectively. Immunostaining intensity of bax correlated with overall survival and death rates: of 57 patients, the 37% with 0 to 1+ intensity had a median survival of 6.6 months, the 63% with 2 to 3+ intensity had a median survival of 31.9 months (
Applied Immunohistochemistry & Molecular Morphology – Wolters Kluwer Health
Published: Sep 1, 2002
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