Function of Deubiquitinating Enzyme USP14 as Oncogene in Different Types of Cancer

Background/Aims: Non-small cell lung cancer (NSCLC) tissues overexpress USP14, which promotes tumor cell proliferation and is associated with shorter overall survival time. Methods: The expression of USP14 was assayed in many types of cancers. USP14 was up-and down-regulated using appropriate plasmi...

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Bibliographic Details
Main Authors: Ying Zhu, Chaoxiong Zhang, Changxin Gu, Qiang Li, Ning Wu
Format: Article
Language:English
Published: Cell Physiol Biochem Press GmbH & Co KG 2016-03-01
Series:Cellular Physiology and Biochemistry
Subjects:
Online Access:http://www.karger.com/Article/FullText/443051
Description
Summary:Background/Aims: Non-small cell lung cancer (NSCLC) tissues overexpress USP14, which promotes tumor cell proliferation and is associated with shorter overall survival time. Methods: The expression of USP14 was assayed in many types of cancers. USP14 was up-and down-regulated using appropriate plasmid or lentiviral vector constructs and its effects on proliferation, cell colony number, and apoptosis rate were measured. A human NSCLC cell line was inoculated into nude mice and the survival rates were recorded. Results: We found USP14 amplification and overexpression in many different cancers. The overexpression of USP14 in USP14 low-expression cell lines promoted cell proliferation and migration, whereas USP14 downregulation suppressed tumor cell proliferation, decreased tumor cell colony number, increased apoptosis rate, and decreased cell migration and invasion. Conclusion: USP14 plays an oncogenic role in various types of cancer, and may thus represent a new cancer therapy target.
ISSN:1015-8987
1421-9778