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Prognostic significance of survivin in resected gallbladder cancer

Prognostic significance of survivin in resected gallbladder cancer

Journal of Surgical Research 194(1): 57-62

Survivin, a novel inhibitor of apoptosis, plays a role in oncogenesis and has been correlated with poor prognosis. We investigated its expression in gallbladder tissues of control, cholelithiasis, and gallbladder cancer (GBC). Survivin expression was correlated with different clinicopathologic parameters including prognosis in patients with GBC. Gallbladder tissue samples were collected from GBC (n = 39), cholelithiasis (n = 30), and control (n = 25). Expression of survivin messenger RNA (mRNA) was evaluated by real time polymerase chain reaction. Protein quantification was done by enzyme-linked immunosorbent assay. Significantly higher expression of survivin mRNA was observed in GBC (2.9-fold) and cholelithiasis (1.85-fold) as compared with control (P < 0.0001). In GBC, increased survivin expression (mRNA and protein) was significantly associated with higher tumor stage (stage III versus stage II) (P < 0.0001) and poor tumor differentiation (poor and moderate versus well) (P < 0.0001). No significant correlation was observed with any of the other clinicopathologic factors studied. Increased expression of survivin was associated with shorter survival (median survival 11.5 mo versus 18 mo). Differential expression of survivin in GBC suggests its possible role in gallbladder carcinogenesis. Its overexpression is associated with poor prognosis. Assessment of survivin might be used to stratify GBC patients for optimal treatment modalities, including targeted therapy.

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Accession: 058637336

Download citation: RISBibTeXText

PMID: 25472573

DOI: 10.1016/j.jss.2014.07.054

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