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Targeting Deubiquitinating Enzymes in Glioblastoma Multiforme: Expectations and Challenges
Author(s) -
Jin WeiLin,
Mao XiaoYuan,
Qiu GuanZhong
Publication year - 2017
Publication title -
medicinal research reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.868
H-Index - 130
eISSN - 1098-1128
pISSN - 0198-6325
DOI - 10.1002/med.21421
Subject(s) - deubiquitinating enzyme , cancer research , biology , glioma , ubiquitin , carcinogenesis , proteasome , tumor progression , autophagy , tumor microenvironment , tumor initiation , cancer , microbiology and biotechnology , apoptosis , gene , genetics , tumor cells
Abstract Glioblastoma (GBM) is regarded as the most common primary intracranial neoplasm. Despite standard treatment with tumor resection and radiochemotherapy, the outcome remains gloomy. It is evident that a combination of oncogenic gain of function and tumor‐suppressive loss of function has been attributed to glioma initiation and progression. The ubiquitin–proteasome system is a well‐orchestrated system that controls the fate of most proteins by striking a dynamic balance between ubiquitination and deubiquitination of substrates, having a profound influence on the modulation of oncoproteins, tumor suppressors, and cellular signaling pathways. In recent years, deubiquitinating enzymes (DUBs) have emerged as potential anti‐cancer targets due to their targeting several key proteins involved in the regulation of tumorigenesis, apoptosis, senescence, and autophagy. This review attempts to summarize recent studies of GBM‐associated DUBs, their roles in various cellular processes, and discuss the relation between DUBs deregulation and gliomagenesis, especially how DUBs regulate glioma stem cells pluripotency, microenvironment, and resistance of radiation and chemotherapy through core stem‐cell transcriptional factors. We also review recent achievements and progress in the development of potent and selective reversible inhibitors of DUBs, and attempted to find a potential GBM treatment by DUBs intervention.

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