PMID: 25785036Mar 19, 2015Paper

Clinicopathological and prognostic role of SIRT1 in breast cancer patients: a meta-analysis

International Journal of Clinical and Experimental Medicine
Yu-Wen CaoFeng Li

Abstract

Silent mating type information regulation 2 homolog-1 (SIRT1) plays an important role in the progression and development of cancer, including breast cancer. However, the association between SIRT1 expression and clinicopathological parameters and prognosis in breast cancer remains inconclusive. To accurately evaluate the significance of SIRT1 expression in breast cancer, a meta-analysis based on published studies was performed. The PubMed, Embase, ISI Web of Science, Science Direct, and Chinese National Knowledge Infrastructure databases were screened to retrieve relevant literature. The reported odds ratios (ORs) and hazard ratios (HRs) and their 95% corresponding confidence intervals (CIs) were pooled to estimate the strength of specific associations. Six studies involving 604 patients were included in the meta-analysis. The pooled analyses showed a significant correlation between SIRT1 expression and poor disease-free survival (DFS) (HR = 3.07, 95% CI: 1.92-4.91, Z = 4.69, P < 0.001) and overall survival (OS) (HR = 3.94, 95% CI: 2.19-7.10, Z = 4.57, P < 0.001). SIRT1 expression also significantly correlated with high TNM stage (pooled OR = 2.92, 95% CI: 1.84-4.63) and lymph node metastasis (pooled OR = 3.22, 95% CI: 0.98-10.5...Continue Reading

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