AMPK Promotes SPOP-Mediated NANOG Degradation to Regulate Prostate Cancer Cell Stemness.
AMP-Activated Protein Kinases
/ metabolism
Animals
Cell Line, Tumor
Cullin Proteins
/ metabolism
Genes, Tumor Suppressor
Humans
Male
Mice, Nude
Mutation
/ genetics
Nanog Homeobox Protein
/ metabolism
Nuclear Proteins
/ metabolism
Prostatic Neoplasms
/ genetics
Repressor Proteins
/ metabolism
Transcription Factors
/ metabolism
Ubiquitination
/ physiology
AMPK-BRAF axis
NANOG
SPOP
prostate cancer stem cell
ubiquitination
Journal
Developmental cell
ISSN: 1878-1551
Titre abrégé: Dev Cell
Pays: United States
ID NLM: 101120028
Informations de publication
Date de publication:
11 02 2019
11 02 2019
Historique:
received:
22
05
2018
revised:
11
09
2018
accepted:
27
11
2018
pubmed:
1
1
2019
medline:
2
8
2019
entrez:
1
1
2019
Statut:
ppublish
Résumé
NANOG is an essential transcriptional factor for the maintenance of embryonic stem cells (ESCs) and cancer stem cells (CSCs) in prostate cancer (PCa). However, the regulation mechanism of NANOG protein stability in cancer progression is still elusive. Here, we report that NANOG is degraded by SPOP, a frequently mutated tumor suppressor of PCa. Cancer-associated mutations of SPOP or the mutation of NANOG at S68Y abrogates the SPOP-mediated NANOG degradation, leading to elevated PCa cancer stemness and poor prognosis. In addition, SPOP-mediated NANOG degradation is controlled by the AMPK-BRAF signal axis through the phosphorylation of NANOG at Ser68, which blocked the interaction between SPOP and NANOG. Thus, our study provides a regulation mechanism of PCa stemness controlled by phosphorylation-mediated NANOG stability, which helps to identify novel drug targets and improve therapeutic strategy for PCa.
Identifiants
pubmed: 30595535
pii: S1534-5807(18)31016-5
doi: 10.1016/j.devcel.2018.11.033
pmc: PMC7523188
mid: NIHMS1627382
pii:
doi:
Substances chimiques
Cullin Proteins
0
NANOG protein, human
0
Nanog Homeobox Protein
0
Nuclear Proteins
0
Repressor Proteins
0
SPOP protein, human
0
Transcription Factors
0
AMP-Activated Protein Kinases
EC 2.7.11.31
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Pagination
345-360.e7Subventions
Organisme : NCI NIH HHS
ID : P30 CA008748
Pays : United States
Informations de copyright
Copyright © 2018 Elsevier Inc. All rights reserved.
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