4.5 Review

Wnt signaling as potential therapeutic target in lung cancer

Journal

EXPERT OPINION ON THERAPEUTIC TARGETS
Volume 20, Issue 8, Pages 999-1015

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1517/14728222.2016.1154945

Keywords

Biomarker; cancer stem cells; EGFR; lung cancer; microRNA; therapeutic target; Wnt signaling

Funding

  1. National Natural Science Foundation of China [31172278, 31472191]

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Introduction: Wingless-type (Wnt) signaling is tightly regulated at multiple cellular levels and is dysregulated in lung cancer. Therefore, it offers therapeutic targets for developing novel agents for lung cancer treatment.Areas covered: In this article, we discuss the role of the Wnt signaling pathway in lung cancer, highlighting the aberrant activation of Wnt in lung cancer stem cells and its implication in resistance to radiotherapy, chemotherapy and targeted therapy. We also expound the regulatory roles of microRNAs in Wnt signaling, as well as the potential of the Wnt pathway to provide biomarkers and therapeutic targets in lung cancer. The potential use of small molecule and biological inhibitors targeting the Wnt pathway for lung cancer therapy and prevention is also discussed.Expert opinion: Wnt signaling plays an important role in the development and metastasis of lung cancer; the pathway provides targets to develop agents towards for cancer prevention and therapy. A number of clinical trials have shown the effectiveness of Wnt pathway inhibitors in epithelial tumors. However, the side effects should be considered. Nevertheless, the results from clinical studies suggest that inhibitors targeting the Wnt signaling show promise against lung cancer.

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