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Int. J. Mol. Sci. 2016, 17(10), 1724; doi:10.3390/ijms17101724

UBXD Proteins: A Family of Proteins with Diverse Functions in Cancer

Division of Basic Biomedical Sciences, Sanford School of Medicine, The University of South Dakota, 414 E. Clark Street, Lee Medical Building, Vermillion, SD 57069, USA
Academic Editor: Anthony Lemarié
Received: 24 August 2016 / Revised: 24 September 2016 / Accepted: 8 October 2016 / Published: 14 October 2016
(This article belongs to the Collection Programmed Cell Death and Apoptosis)
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Abstract

The UBXD family is a diverse group of UBX (ubiquitin-regulatory X) domain-containing proteins in mammalian cells. Members of this family contain a UBX domain typically located at the carboxyl-terminal of the protein. In contrast to the UBX domain shared by all members of UBXD family, the amino-terminal domains are diverse and appear to carry out different roles in a subcellular localization-dependent manner. UBXD proteins are principally associated with the endoplasmic reticulum (ER), where they positively or negatively regulate the ER-associated degradation machinery (ERAD). The distinct protein interaction networks of UBXD proteins allow them to have specific functions independent of the ERAD pathway in a cell type- and tissue context-dependent manner. Recent reports have illustrated that a number of mammalian members of the UBXD family play critical roles in several proliferation and apoptosis pathways dysregulated in selected types of cancer. This review covers recent advances that elucidate the therapeutic potential of selected members of the UBXD family that can contribute to tumor growth. View Full-Text
Keywords: UBXD family; cell proliferation; apoptosis; tumor; animal models; xenografts; targeted therapy UBXD family; cell proliferation; apoptosis; tumor; animal models; xenografts; targeted therapy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Rezvani, K. UBXD Proteins: A Family of Proteins with Diverse Functions in Cancer. Int. J. Mol. Sci. 2016, 17, 1724.

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