BMB Reports 2019; 52(3): 181-189  https://doi.org/10.5483/BMBRep.2019.52.3.048
Deubiquitinating enzymes as cancer biomarkers: new therapeutic opportunities?
Naresh Poondla1,#, Arun Pandian Chandrasekaran1,#, Kye-Seong Kim1,2,* & Suresh Ramakrishna1,2,*
1Department of Biomedical Science, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, 2College of Medicine, Hanyang University, Seoul 04763, Korea
Correspondence to: Suresh Ramakrishna, Tel: +82-2-2220-2424; Fax: +82-2-2220-2422; E-mail: suri28@hanyang.ac.kr, suresh.ramakris@gmail.com; Kye-Seong Kim, Tel: +82-2-2220-0607; Fax: +82-2- 2220-2422; E-mail: ks66kim@hanyang. ac.kr
#These authors contributed equally to this work.
Received: January 10, 2019; Published online: March 31, 2019.
© Korean Society for Biochemistry and Molecular Biology. All rights reserved.

cc This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract

Cancer remains a life-threatening disease and accounts for the major mortality rates worldwide. The practice of using biomarkers for early detection, staging, and customized therapy may increase cancer patients' survival. Deubiquitinating enzymes (DUBs) are a family of proteases that remove ubiquitin tags from proteins of interest undergoing proteasomal degradation. DUBs play several functional roles other than deubiquitination. One of the important roles of DUBs is regulation of tumor progression. Several reports have suggested that the DUB family members were highly-elevated in various cancer cells and tissues in different stages of cancer. These findings suggest that the DUBs could be used as drug targets in cancer therapeutics. In this review, we recapitulate the role of the DUB family members, including ubiquitinspecific protease, otubain protease, and important candidates from other family members. Our aim was to better understand the connection between DUB expression profiles and cancers to allow researchers to design inhibitors or gene therapies to improve diagnosis and prognosis of cancers.

Figures
Fig. 2. DUBs involved in the regulation of oncogenic pathways. Inhibition of specific DUBs leads to decreased cancer proliferation, drug resistance, and delayed metastasis.


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