Prognostic value of hedgehog signaling pathway in digestive system cancers: A systematic review and meta-analysis

Cancer Biomarkers : Section a of Disease Markers
Yi-Han WangXiao Du

Abstract

The Hedgehog (Hh) signaling pathway has recently been reported to be associated with the prognosis of digestive system cancers. However, the results are inconsistent. This study aimed to investigate the association between Hh pathway components and survival outcomes in patients with digestive system cancers. We conducted a comprehensive retrieval in PubMed, EMBASE and Cochrane library for relevant literatures until May 1st, 2015. The pooled hazard ratios (HRs) for overall survival (OS) and disease-free survival (DFS) with 95% confidence intervals (CIs) were calculated to clarify the prognostic value of Hh pathway components, including Shh, Gli1, Gli2, Smo and Ptch1. A total of 16 eligible articles with 3222 patients were included in the meta-analysis. Pooled HR suggested that over-expression of Shh and Gli1 were both associated with poor OS (HR = 1.87, 95% CI: 1.14-3.07 and HR = 1.96, 95% CI: 1.66-2.32, respectively) and DFS (HR = 2.37, 95% CI: 1.19-4.72 and HR = 2.18, 95% CI: 1.61-2.96, respectively). In addition, over-expression of Smo was associated with poor DFS (HR = 1.38, 95% CI: 1.08-1.75). This study reveals that over-expressed Hh pathway components, including Shh, Gli1 and Smo, are associated with poor prognosis in dig...Continue Reading

Citations

Jul 1, 2016·Annals of Oncology : Official Journal of the European Society for Medical Oncology·I A McNeish
Dec 23, 2016·International Journal of Cancer. Journal International Du Cancer·Megan S FarrisChristine M Friedenreich
Nov 7, 2019·Dose-response : a Publication of International Hormesis Society·Chang Liu, Rensheng Wang

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