Title |
The COP9 signalosome subunit 6 (CSN6): a potential oncogene
|
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Published in |
Cell Division, November 2013
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DOI | 10.1186/1747-1028-8-14 |
Pubmed ID | |
Authors |
Shang-Nuan Zhang, Dong-Sheng Pei, Jun-Nian Zheng |
Abstract |
CSN6 is one subunit of the constitutive photomorphogenesis 9 (COP9) signalosome (CSN), which is an evolutionarily conserved multiprotein complex found in plants and animals and originally described as a repressor of light-dependent growth and transcription in Arabidopsis. CSN is homologous to the 19S lid subcomplex of the 26S proteasome, thus it has been postulated to be a regulator of the ubiquitin-proteasome pathway. In mammalian cells, it consists of eight subunits (CSN1-CSN8). Among the CSN subunits, CSN5 and CSN6 are the only two that each contains an MPN (Mpr1p and Pad1p N-terminal) domain. The deneddylating activity of an MPN domain toward cullin-RING ubiquitin ligases (CRL) may coordinate CRL-mediated ubiquitination activity. More and more studies about CSN6 are emerging, and its overexpression is found in many types of cancers. Evidence has shown that CSN6 is a molecule platform between protein degradation and signal transduction. Here, we provide a summary of human CSN6, especially its roles in cancer, hoping that it can lay the groundwork for cancer prevention or therapy. |
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Country | Count | As % |
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Unknown | 18 | 100% |
Demographic breakdown
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Student > Ph. D. Student | 3 | 17% |
Other | 2 | 11% |
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Other | 3 | 17% |
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Unknown | 5 | 28% |