Ubiquitylation of nuclear receptors: new linkages and therapeutic implications

    1. Elaine T Alarid
    1. McArdle Laboratory for Cancer Research, Department of Oncology, 6151 Wisconsin Institutes for Medical Research, University of Wisconsin Carbone Cancer Center, University of Wisconsin–Madison, 1111 Highland Avenue, Madison, Wisconsin 53705, USA
    1. Correspondence should be addressed to E T Alarid; Email: alarid{at}oncology.wisc.edu

    Abstract

    The nuclear receptor (NR) superfamily is a group of transcriptional regulators that control multiple aspects of both physiology and pathology and are broadly recognized as viable therapeutic targets. While receptor-modulating drugs have been successful in many cases, the discovery of new drug targets is still an active area of research, because resistance to NR-targeting therapies remains a significant clinical challenge. Many successful targeted therapies have harnessed the control of receptor activity by targeting events within the NR signaling pathway. In this review, we explore the role of NR ubiquitylation and discuss how the expanding roles of ubiquitin could be leveraged to identify additional entry points to control receptor function for future therapeutic development.

    Keywords
    • Revision received 21 April 2015
    • Accepted 5 May 2015
    • Made available online as an Accepted Preprint 5 May 2015
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