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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [RNA-seq]

ABSTRACT: ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [RNA-seq]

PROVIDER: PRJNA811579 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18184312_1.fastq.gz	Fastqsanger.gz
	SRR18184312_2.fastq.gz	Fastqsanger.gz
	SRR18184313_1.fastq.gz	Fastqsanger.gz
	SRR18184313_2.fastq.gz	Fastqsanger.gz
	SRR18184314_1.fastq.gz	Fastqsanger.gz

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [ChIP-seq]

Project description:Chronic inflammation and immunosuppressive microenvironment promote prostate cancer (PCa) metastasis and diminish the responses to immune checkpoint blockade (ICB) therapies. However, it remains unclear how and to what extent these two events are coordinated. Here we show that ARID1A, a subunit of the SWI/SNF chromatin remodeling complex, functions downstream of inflammation induced IKKb activation to shape immunosuppressive tumor microenvironment (TME). Prostate-specific deletion of Arid1a cooperates with Pten loss to produce a metastasis-prone tumors. We identify that polymorphonuclear myeloid-derived suppressor cells (MDSCs) as the major infiltrating immune cell type to cause immune evasion, and neutralization of MDSCs restricts metastasis of Arid1a deficient tumors. Mechanistically, inflammation cues activate IKKβ to phosphorylate ARID1A, leading to its degradation via b-TRCP. ARID1A downregulation in turn silences the enhancer of A20 deubiquitinase, a critical negative regulator of NF-kB signaling, and thereby unleashing CXCR2 ligands-mediated MDSC chemotaxis. Importantly, our results support the therapeutic strategy of anti-NF-kB or CXCR2 combined with ICB for advanced PCa. Together, our findings highlight a critical role of ARID1A in MDSCs recruitment and demonstrate IKKb/ARID1A/NF-kB feedback axis integrating inflammation and the immunosuppression to drive PCa metastasis.

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [ATAC-seq]

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [RNA-seq]

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [RNA-seq II]

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis

Project description:ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [ATAC-seq]

Project description:ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [ATAC-seq]

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [ChIP-seq]

Project description:ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [ChIP-seq]

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [RNA-seq II]

Project description:ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis [RNA-seq II]

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ARID1A loss shapes immunosuppression tumor microenvironment via NF-kB induced MDSC chemotaxis to promote prostate Cancer metastasis

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