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Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction

ABSTRACT: Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction

PROVIDER: PRJNA773067 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16503062_1.fastq.gz	Fastqsanger.gz
	SRR16503062_2.fastq.gz	Fastqsanger.gz
	SRR16503063_1.fastq.gz	Fastqsanger.gz
	SRR16503063_2.fastq.gz	Fastqsanger.gz
	SRR16503064_1.fastq.gz	Fastqsanger.gz

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Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction

Project description:DUX4 activates the first wave of zygotic gene expression in the early embryo. Mis-expression of DUX4 in skeletal muscle causes facioscapulohumeral dystrophy (FSHD), whereas expression in cancers suppresses IFNg-induction of MHC Class I and contributes to immune evasion. We show that the DUX4 protein broadly suppresses immune signaling pathways—including IFNg, IFNb, DDX58, IFIH1 and cGAS mediated pathways. A conserved region containing (L)LxxL(L) motifs in the DUX4 carboxyterminal domain (CTD) was necessary to suppress interferon stimulated genes (ISGs). Co-immunoprecipitation identified DUX4-CTD interaction with multiple immune signaling factors, including STAT1. The DUX4-CTD (L)LxxL(L) region interacts with phosphorylated STAT1, sequesters it in the nucleus, modestly reduces its DNA binding, and prevents STAT1 from inducing ISG transcription. Mouse Dux similarly interacted with STAT1 and suppressed IFNg induction of ISGs. These findings identify an evolved role of the DUXC family in modulating immune signaling pathways with implications for development, cancers, and FSHD.

2022-11-01 | GSE186244 | GEO

Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction [CUT&TAG]

2023-05-09 | GSE209785 | GEO

Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction [CUT&TAG]

Project description:Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction [CUT&TAG]

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Assessment of functional overlap between mouse Dux and human DUX4 in vitro and in vivo

Project description:We report both DUX4 and Dux toxicity depend upon their ability to bind DNA and activate transcription. Chromatin immunoprecipitation of V5 epitope tagged human DUX4 and mouse Dux was performed in human myoblasts was analyzed using ChIP-Seq to identify their subsequent binding sites. We found that DUX4 and Dux bind 4-8% of identical sequences, while majority of the binding sites are unique to either DUX4 or Dux. Although small, this overlap could be due to their conserved abilioty to regualte primordial pathways that were essential for life and therefore maintained in both proteins despite their separate evolutionary paths. We performed ChIP-Seq analysis of human myoblasts transfected with plasmids encoding either epitope tagged human DUX4 (1 sample) and mouse Dux (1 sample). Illumina sequencing libraries were prepared from the ChIP and Input DNA, then resulting DNA libraries were quantified and sequenced and aligned to the human genome (hg19).

2015-12-11 | E-GEOD-75791 | biostudies-arrayexpress

Mouse Dux is myotoxic and shares partial functional homology with its human paralog DUX4

Project description:We report the RNA-seq experiments performed in human myoblasts transfected with human DUX4 and mouse Dux. Comparison of genes up- and down-regulated by DUX4 and Dux in human myoblasts to identify pathways similiarly regulated by both transcription factors.

2016-08-24 | E-GEOD-85935 | biostudies-arrayexpress

LC-MS of FLAG-tagged C-terminal domain of human DUX4

2023-05-10 | PXD029215 | Pride

Human DUX4 and mouse Dux interact with STAT1 and broadly inhibit interferon-stimulated gene induction.

Project description:DUX4 activates the first wave of zygotic gene expression in the early embryo. Mis-expression of DUX4 in skeletal muscle causes facioscapulohumeral dystrophy (FSHD), whereas expression in cancers suppresses IFNγ induction of major histocompatibility complex class I (MHC class I) and contributes to immune evasion. We show that the DUX4 protein interacts with STAT1 and broadly suppresses expression of IFNγ-stimulated genes by decreasing bound STAT1 and Pol-II recruitment. Transcriptional suppression of interferon-stimulated genes (ISGs) requires conserved (L)LxxL(L) motifs in the carboxyterminal region of DUX4 and phosphorylation of STAT1 Y701 enhances interaction with DUX4. Consistent with these findings, expression of endogenous DUX4 in FSHD muscle cells and the CIC-DUX4 fusion containing the DUX4 CTD in a sarcoma cell line inhibit IFNγ induction of ISGs. Mouse Dux similarly interacted with STAT1 and suppressed IFNγ induction of ISGs. These findings identify an evolved role of the DUXC family in modulating immune signaling pathways with implications for development, cancers, and FSHD.

| S-EPMC10195082 | biostudies-literature

Assessment of functional overlap between mouse Dux and human DUX4 in vitro and in vivo

2015-12-11 | GSE75791 | GEO

Mouse Dux is myotoxic and shares partial functional homology with its human paralog DUX4

Project description:We report the RNA-seq experiments performed in human myoblasts transfected with human DUX4 and mouse Dux.

2016-08-24 | GSE85935 | GEO

Canine DUXC isoforms and functional similarity to human DUX4 [RNA-seq]

Project description:Human DUX4 and mouse Dux transcription factors are normally expressed in the germ line and early embryonic cells where they activate the cleavage stage genes. The misexpression of DUX4 in skeletal muscles causes Facioscapulohumeral dystrophy (FSHD). In primates and rodents, DUX4 and Dux arose from retrotransposition of the mRNA from the ancestral intron-containing DUXC, which is not found in these species, and whether it has similar roles in the cleavage stage and FSHD as DUX4 and Dux are unknown. Here, we identified two isoforms of DUXC in canine testis tissues: One encodes the canonical double homeodomain (DUXC) similar to DUX4/Dux, and one contains an extra exon that disrupts the conserved amino-acid sequence of the first homeodomain (DUXC-ALT). We expressed DUXC and DUXC-ALT in canine skeletal muscle and found that the expression of DUXC induced retrotransposons and pluripotent programs similar to DUX4 and Dux, whereas DUXC-ALT did not robustly activate genes in these assays.

2021-12-03 | GSE188927 | GEO

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