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The different functions and clinical significances of caveolin-1 in human adenocarcinoma and squamous cell carcinoma

Authors Fu P, Chen F, Pan Q, Zhao X, Zhao C, Cho WC, Chen H

Received 5 October 2016

Accepted for publication 30 November 2016

Published 14 February 2017 Volume 2017:10 Pages 819—835

DOI https://doi.org/10.2147/OTT.S123912

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Chang Liu

Peer reviewer comments 4

Editor who approved publication: Dr Yao Dai

Pin Fu,1 Fuchun Chen,2 Qi Pan,2 Xianda Zhao,1 Chen Zhao,1 William Chi-Shing Cho,3 Honglei Chen1,4

1Department of Pathology, School of Basic Medical Science, Wuhan University, Wuhan, 2Department of Thoracosurgery, Traditional Chinese Medical Hospital of Wenling, Wenling, Zhejiang, 3Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong, 4Department of Pathology, Maternal and Child Health Hospital of Hubei, Wuhan, People’s Republic of China

Abstract: Caveolin-1 (Cav-1), a major structural protein of caveolae, is an integral membrane protein which plays an important role in the progression of carcinoma. However, whether Cav-1 acts as a tumor promoter or a tumor suppressor still remains controversial. For example, the tumor-promoting function of Cav-1 has been found in renal cancer, prostate cancer, tongue squamous cell carcinoma (SCC), lung SCC and bladder SCC. In contrast, Cav-1 also plays an inhibitory role in esophagus adenocarcinoma, lung adenocarcinoma and cutaneous SCC. The role of Cav-1 is still controversial in thyroid cancer, hepatocellular carcinoma, gastric adenocarcinoma, colon adenocarcinoma, breast cancer, pancreas cancer, oral SCC, laryngeal SCC, head and neck SCC, esophageal SCC and cervical SCC. Besides, it has been reported that the loss of stromal Cav-1 might predict poor prognosis in breast cancer, gastric cancer, pancreas cancer, prostate cancer, oral SCC and esophageal SCC. However, the accumulation of stromal Cav-1 has been found to be promoted by the progression of tongue SCC. Taken together, Cav-1 seems playing a different role in different cancer subtypes even of the same organ, as well as acting differently in the same cancer subtype of different organs. Thus, we hereby explore the functions of Cav-1 in human adenocarcinoma and SCC from the perspective of clinical significances and pathogenesis. We envision that novel targets may come with the further investigation of Cav-1 in carcinogenesis.

Keywords: caveolin-1, squamous cell carcinoma, adenocarcinoma, oncogene, tumor suppressor gene

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