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  • Expression of cyclooxygenase-2, glucose transporter-1 and angiogenesis in gallbladder carcinomas and their impact on prognosis
    Legan, Mateja ; Luzar, Boštjan ; Ferlan-Marolt, Vera
    Objective. To investigate the angiogenic and prognostic role of cyclooxygenase-2 (COX-2) in gallbladder carcinomas. We assume COX-2 overexpression, neoangiogenesis and glucose transporter-1 (GLUT-1) ... to be involved in disease progression. Material andmethods. The carcinoma tissues of56 patients with gallbladder carcinomas were studied immunohistochemically for the expression of COX-2, GLUT-1 and micro-vessel density. The results werecorrelated with clinico-pathological features and survival/prognosis. Results. The overexpression of COX-2 in gallbladder carcinomas was significantly associated with increased angiogenesis and GLUT-1 expression. Neither angiogenesis nor the grade of the tumour correlate significantly with poor survival. Age, gender and a strong GLUT-1 expression were significant factors of adverse prognosis. Conclusions. Next to age and gender of patients,hypoxia of gallbladder tumours is a factor influencing survival. Among hypoxic factors, GLUT-1 expression is an important (significant) denominator of poor prognosis in gallbladder carcinomas, but not COX-2 nor angiogenesis.
    Vir: Scandinavian Journal of Gastroenterology. - ISSN 0036-5521 (Letn. 44, št. 9, 2009, str. 1101-1108)
    Vrsta gradiva - članek, sestavni del
    Leto - 2009
    Jezik - angleški
    COBISS.SI-ID - 26240217
    DOI

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