Tetratricopeptide repeat domain 3 overexpression tends to form aggregates and inhibit ubiquitination and degradation of DNA polymerase γ.
Tetratricopeptide repeat domain 3 overexpression tends to form aggregates and inhibit ubiquitination and degradation of DNA polymerase γ.
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四肽重复结构域 3 过表达往往会形成聚集体并抑制 DNA 聚合酶 γ 的泛素化和降解
DOI:
10.18632/oncotarget.22476
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发表时间:
2017-12-05
期刊:
影响因子:
--
通讯作者:
Dou F
中科院分区:
文献类型:
--
作者:
Gong Y;Wang X;Shang X;Xiao SP;Li W;Shang Y;Dou F
Tetratricopeptide repeat (TPR) domain 3 (TTC3) is a protein that contains canonical RING finger and TPR motifs. It is encoded by the TTC3 gene located in the Down syndrome critical region (DSCR). In this study, we used a yeast two-hybrid assay to identify several proteins that physically interact with TTC3, including heat shock proteins and DNA polymerase γ (POLG). When TTC3 was overexpressed in mammalian cells, the ubiquitination of POLG was inhibited and its degradation slowed. High TTC3 protein expression led to the development of intracellular TTC3 aggregates, which also contained POLG. Co-expression with Hsp70 or placing the TTC3 gene under control of an inducible promoter alleviated the aggregation and facilitated POLG degradation. As a result of POLG's effects on aging processes, we propose that a copy number variant of the TTC3 may contribute to Down syndrome pathogenesis.
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影响因子:
11.5
作者:
Zhang, Siyuan;Yu, Dihua
通讯作者:
Yu, Dihua
DOI:
10.1093/dnares/3.1.9
发表时间:
1996-02-29
期刊:
DNA research : an international journal for rapid publication of reports on genes and genomes
影响因子:
--
作者:
Ohira, M;Ootsuyama, A;Ohki, M
通讯作者:
Ohki, M
影响因子:
2.6
作者:
Rachidi, M;Lopes, C;Delabar, JM
通讯作者:
Delabar, JM
DOI:
10.1083/jcb.201005144
发表时间:
2010-09-06
期刊:
The Journal of cell biology
影响因子:
--
作者:
Douglas PM;Dillin A
通讯作者:
Dillin A
影响因子:
4
作者:
Berto, Gaia;Camera, Paola;Di Cunto, Ferdinando
通讯作者:
Di Cunto, Ferdinando