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Author:

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.)

Indexed by:

Scopus SCIE

Abstract:

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.

Keyword:

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

Author Community:

  • [ 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

Reprint Author's Address:

  • [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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Source :

FEBS LETTERS

ISSN: 0014-5793

Year: 2010

Issue: 14

Volume: 584

Page: 3005-3012

3 . 5 0 0

JCR@2022

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 37

SCOPUS Cited Count: 36

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 12

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