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Hedgehog signaling pathway in colorectal cancer: function, mechanism, and therapy

Authors Wu C, Zhu X, Liu W, Ruan T, Tao K

Received 14 April 2017

Accepted for publication 10 June 2017

Published 30 June 2017 Volume 2017:10 Pages 3249—3259

DOI https://doi.org/10.2147/OTT.S139639

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 4

Editor who approved publication: Dr Samir Farghaly

Chuanqing Wu, Xiaojie Zhu, Weizhen Liu, Tuo Ruan, Kaixiong Tao

Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Abstract: Colorectal cancer (CRC) is one of the most common gastrointestinal cancers worldwide. It is a complicated and often fatal cancer, and is related to a high disease-related mortality. Around 90% of mortalities are caused by the metastasis of CRC. Current treatment statistics shows a less than 5% 5-year survival for patients with metastatic disease. The development and metastasis of CRC involve multiple factors and mechanisms. The Hedgehog (Hh) signaling plays an important role in embryogenesis and somatic development. Abnormal activation of the Hh pathway has been proven to be related to several types of human cancers. The role of Hh signaling in CRC, however, remains controversial. In this review, we will go through previous literature on the Hh signaling and its functions in the formation, proliferation, and metastasis of CRC. We will also discuss the potential of targeting Hh signaling pathway in the treatment, prognosis, and prevention of CRC.

Keywords: colorectal cancer, Hedgehog signaling pathway, cancer therapy

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