Dataset Information

C1Q+macrophage interacts with activated CD8+ promoting atherosclerosis development [T cell]

ABSTRACT: C1Q+macrophage interacts with activated CD8+ promoting atherosclerosis development [T cell]

PROVIDER: PRJNA1029556 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26419464_1.fastq.gz	Fastqsanger.gz
	SRR26419464_2.fastq.gz	Fastqsanger.gz
	SRR26419465_1.fastq.gz	Fastqsanger.gz
	SRR26419465_2.fastq.gz	Fastqsanger.gz
	SRR26419466_1.fastq.gz	Fastqsanger.gz

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Project description:Background: Atherosclerosis leads high mortality, highlighting an urgent need for new therapeutic strategies. Protein kinases orchestrate multiple cellular events in atherosclerosis and may provide new therapeutic targets for atherosclerosis. Here, we identified a protein kinase, WEE1 G2 checkpoint kinase (WEE1), promoting inflammatory response in atherosclerosis. Methods: The ApoE-/- mice without macrophage-specific WEE1 deletion (ApoE-/-WEE1f/f) and ApoE-/- mice with macrophage-specific WEE1 deletion (ApoE-/-WEE1MCKO) were generated using bone marrow transplantation. These mice and WEE1 inhibitor MK1775 were used in a high-fat diet (HFD)-induced atherosclerotic model. Human atherosclerotic tissues, mouse primary peritoneal macrophages (MPMs), 293T cells, and recombinant proteins were utilized to investigate the pathogenic role and underlying mechanisms of WEE1. Results: We identified up-regulated p-WEE1 in macrophages in atherosclerotic lesions of HFD-fed ApoE-/- mice. Transcriptome sequencing analysis indicated that WEE1 promotes oxLDL-induced inflammation in macrophages. We then demonstrated that macrophage-specific deletion or pharmacological inhibition of WEE1 attenuates atherosclerosis by reducing inflammation both in vivo and in vitro. The overexpression of wild-type WEE1 or activating-mutant WEE1, but not inactivating-mutant WEE1, exacerbates inflammation in macrophages. Mechanistically, transcriptome sequencing analysis and co-immunoprecipitation followed by quantitative proteomics analysis identified p65 as a binding protein of WEE1. We confirmed that WEE1 directly interacts with the RHD domain of p65 via kinase domain and phosphorylates p65 at S536, thereby facilitating subsequent NF-κB activation and inflammatory response in macrophages. Conclusions: Our findings demonstrated that macrophage WEE1 promotes inflammatory atherosclerosis by directly binding to p65 and phosphorylate it at S536. This study provides WEE1 as a new p65 regulator in inflammation and a potential therapeutic target for atherosclerosis.

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C1Q+macrophage interacts with activated CD8+ promoting atherosclerosis development [T cell]

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