Transcriptional network involving ERG and AR orchestrates Distal-less homeobox-1 mediated prostate cancer progression.
Androgen Antagonists
/ pharmacology
Animals
Azepines
/ pharmacology
Cell Line, Tumor
Disease Progression
Gene Expression Regulation, Neoplastic
Hepatocyte Nuclear Factor 3-alpha
/ genetics
Homeodomain Proteins
/ genetics
Humans
Male
Mice
Mice, Knockout
Mice, SCID
Neoplasm Metastasis
Oncogene Proteins, Fusion
/ genetics
Promoter Regions, Genetic
Prostate
/ drug effects
Prostatic Neoplasms
/ drug therapy
Protein Binding
Receptors, Androgen
/ genetics
Serine Endopeptidases
/ genetics
Signal Transduction
Survival Analysis
Transcription Factors
/ genetics
Transcription, Genetic
Transcriptional Regulator ERG
/ genetics
Triazoles
/ pharmacology
Xenograft Model Antitumor Assays
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
07 09 2021
07 09 2021
Historique:
received:
06
10
2020
accepted:
20
08
2021
entrez:
8
9
2021
pubmed:
9
9
2021
medline:
7
10
2021
Statut:
epublish
Résumé
Distal-less homeobox-1 (DLX1) is a well-established non-invasive biomarker for prostate cancer (PCa) diagnosis, however, its mechanistic underpinnings in disease pathobiology are not known. Here, we reveal the oncogenic role of DLX1 and show that abrogating its function leads to reduced tumorigenesis and metastases. We observed that ~60% of advanced-stage and metastatic patients display higher DLX1 levels. Moreover, ~96% of TMPRSS2-ERG fusion-positive and ~70% of androgen receptor (AR)-positive patients show elevated DLX1, associated with aggressive disease and poor survival. Mechanistically, ERG coordinates with enhancer-bound AR and FOXA1 to drive transcriptional upregulation of DLX1 in ERG-positive background. However, in ERG-negative context, AR/AR-V7 and FOXA1 suffice to upregulate DLX1. Notably, inhibiting ERG/AR-mediated DLX1 transcription using BET inhibitor (BETi) or/and anti-androgen drugs reduce its expression and downstream oncogenic effects. Conclusively, this study establishes DLX1 as a direct-target of ERG/AR with an oncogenic role and demonstrates the clinical significance of BETi and anti-androgens for DLX1-positive patients.
Identifiants
pubmed: 34493733
doi: 10.1038/s41467-021-25623-2
pii: 10.1038/s41467-021-25623-2
pmc: PMC8423767
doi:
Substances chimiques
(+)-JQ1 compound
0
Androgen Antagonists
0
Azepines
0
Distal-less homeobox proteins
0
ERG protein, human
0
FOXA1 protein, human
0
Hepatocyte Nuclear Factor 3-alpha
0
Homeodomain Proteins
0
Oncogene Proteins, Fusion
0
Receptors, Androgen
0
Transcription Factors
0
Transcriptional Regulator ERG
0
Triazoles
0
Serine Endopeptidases
EC 3.4.21.-
TMPRSS2 protein, human
EC 3.4.21.-
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
5325Subventions
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : DBT-Wellcome Trust India Alliance
ID : IA/S/19/2/504659
Pays : India
Organisme : NCI NIH HHS
ID : P01 CA163227
Pays : United States
Organisme : NCI NIH HHS
ID : P50 CA097186
Pays : United States
Informations de copyright
© 2021. The Author(s).
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