Pirh2 RING-finger E3 ubiquitin ligase: its role in tumorigenesis and cancer therapy.
Pirh2 RING-finger E3 ubiquitin ligase: its role in tumorigenesis and cancer therapy.
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DOI:
10.1016/j.febslet.2012.03.052
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发表时间:
2012-05-21
期刊:
影响因子:
3.5
通讯作者:
Chen X
中科院分区:
文献类型:
--
作者:
Jung YS;Qian Y;Chen X
The ubiquitin-dependent proteasome system plays a critical role in many cellular processes and pathogenesis of various human diseases, including cancer. Although there are a large number of E3 ubiquitin ligases, the majority are RING-finger type E3s. Pirh2, a target of p53 transcription factor, contains a highly conserved C3H2C3 type RING domain. Importantly, Pirh2 was found to regulate a group of key factors dedicated to the DNA damage response, such as p53, p73, PolH, and c-Myc. Interestingly, Pirh2 was upregulated or downregulated in different types of cancers. These suggest that Pirh2 is implicated in either promoting or suppressing tumor progression in a tissue-dependent manner. This review will focus on the major findings in these studies and discuss the potential to explore Pirh2 as a cancer therapeutic target.
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