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作者:

Nie, Jing (Nie, Jing.) | Liu, Lin (Liu, Lin.) | Wu, Min (Wu, Min.) | Xing, Guichun (Xing, Guichun.) | He, Shan (He, Shan.) | Yin, Yuxin (Yin, Yuxin.) | Tian, Chunyan (Tian, Chunyan.) | He, Fuchu (He, Fuchu.) | Zhang, Lingqiang (Zhang, Lingqiang.)

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Scopus SCIE

摘要:

Inhibitor of growth 2 (ING2) gene encodes a candidate tumor suppressor and is frequently reduced in many tumors. However, the mechanisms underlying the regulation of ING2, in particular its protein stability, are still unclear. Here we show that the homologous to E6AP carboxyl terminus (HECT)-type ubiquitin ligase Smad ubiquitination regulatory factor 1 (Smurf1) interacts with and targets ING2 for poly-ubiquitination and proteasomal degradation. Intriguingly, the ING2 binding domain in Smurf1 was mapped to the catalytic HECT domain. Furthermore, the C-terminal PHD domain of ING2 was required for Smurf1-mediated degradation. This study provided the first evidence that the stability of ING2 could be regulated by ubiquitin-mediated degradation. Structured summary: MINT-7894271: ING2 (uniprotkb:Q9H160) binds (MI:0407) to Smurf1 (uniprotkb:Q9HCE7) by pull-down (MI:0096) MINT-7894319, MINT-7894339: ING2 (uniprotkb:Q9H160) physically interacts (MI:0915) with Smurf1 (uniprotkb:Q9HCE7) by anti tag co-immunoprecipitation (MI:0007) MINT-7894301: Smurf1 (uniprotkb:Q9HCE7) physically interacts (MI:0915) with ING2 (uniprotkb: Q9H160) by anti bait co-immunoprecipitation (MI:0006) MINT-7894358: ING1b (uniprotkb:Q9UK53-2) physically interacts (MI:0915) with Smurf1 (uniprotkb: Q9HCE7) by anti tag co-immunoprecipitation (MI:0007) MINT-7894249: ING2 (uniprotkb:Q9H160) physically interacts (MI:0915) with ubiquitin (uniprotkb: P62988) by anti tag co-immunoprecipitation (MI:0007) (C) 2010 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

关键词:

Inhibitor of growth 2 Protein degradation Smad ubiquitination regulatory factor 1 Tumor suppressor Ubiquitination

作者机构:

  • [ 1 ] [Tian, Chunyan]Beijing Inst Radiat Med, Dept Genom & Prote, Beijing Prote Res Ctr, State Key Lab Prote, Beijing, Peoples R China
  • [ 2 ] [Nie, Jing]Tsinghua Univ, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China
  • [ 3 ] [Xing, Guichun]Tsinghua Univ, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China
  • [ 4 ] [Tian, Chunyan]Tsinghua Univ, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China
  • [ 5 ] [He, Fuchu]Tsinghua Univ, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China
  • [ 6 ] [Zhang, Lingqiang]Tsinghua Univ, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China
  • [ 7 ] [Liu, Lin]Gen Hosp Chinese PLA, Dept Gen Surg, Beijing, Peoples R China
  • [ 8 ] [Wu, Min]Anhui Med Univ, Mol Biol Lab, Hefei, Anhui, Peoples R China
  • [ 9 ] [Zhang, Lingqiang]Anhui Med Univ, Mol Biol Lab, Hefei, Anhui, Peoples R China
  • [ 10 ] [Wu, Min]Anhui Med Univ, Dept Biochem, Key Lab Gene Resource Utilizat Severe Dis, Hefei, Anhui, Peoples R China
  • [ 11 ] [Zhang, Lingqiang]Anhui Med Univ, Dept Biochem, Key Lab Gene Resource Utilizat Severe Dis, Hefei, Anhui, Peoples R China
  • [ 12 ] [He, Shan]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing, Peoples R China
  • [ 13 ] [Yin, Yuxin]Peking Univ, Dept Pathol, Sch Basic Med Sci, Beijing 100871, Peoples R China

通讯作者信息:

  • [Tian, Chunyan]Beijing Inst Radiat Med, Dept Genom & Prote, Beijing Prote Res Ctr, State Key Lab Prote, Beijing, Peoples R China

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来源 :

FEBS LETTERS

ISSN: 0014-5793

年份: 2010

期: 14

卷: 584

页码: 3005-3012

3 . 5 0 0

JCR@2022

ESI学科: BIOLOGY & BIOCHEMISTRY;

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 33

SCOPUS被引频次: 35

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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