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Integrated analysis of miRNA-mRNA interactions reveals novel target pathways in hypertension-induced cardiac remodeling (mRNA-seq dataset)

ABSTRACT: Integrated analysis of miRNA-mRNA interactions reveals novel target pathways in hypertension-induced cardiac remodeling (mRNA-seq dataset)

PROVIDER: PRJNA604010 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10990565_1.fastq.gz	Fastqsanger.gz
	SRR10990565_2.fastq.gz	Fastqsanger.gz
	SRR10990566_1.fastq.gz	Fastqsanger.gz
	SRR10990566_2.fastq.gz	Fastqsanger.gz
	SRR10990567_1.fastq.gz	Fastqsanger.gz

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Project description:Hypertension is a common cardiovascular disease that is related to genetic and environmental factors, but its mechanisms remain unclear. DNA methylation, a classical epigenetic modification, not only regulates gene expression but is also susceptible to environmental factors, linking environmental factors to genetic modification. Therefore, globally screening differential genomic DNA methylation in hypertensive patients is important for investigating novel hypertension mechanisms.Differential genomic DNA methylation in hypertensive, prehypertensive, and healthy control individuals was screened using the Illumina 450K BeadChip and verified by pyrosequencing. Plasma oviduct glycoprotein 1 (OVGP1) levels were determined using an enzyme-linked immunosorbent assay. Ovgp1 transgenic and knockout mice were generated to analyze the function of OVGP1. The blood pressure levels of the mouse models were measured using the tail-cuff system and radiotelemetry methods. The role of OVGP1 in vascular remodeling was determined by vascular relaxation studies. Protein–protein interactions were investigated using a pull-down/mass spectrometry assay and verified with coimmunoprecipitation and pull-down assays. We found a hypomethylated site at cg20823859 in the promoter region of OVGP1, and the plasma OVGP1 levels were significantly increased in hypertensive patients. This finding indicates that OVGP1 is associated with hypertension. In Ovgp1 transgenic mice, OVGP1 overexpression caused an increase in blood pressure, dysfunctional vasoconstriction and vasodilatation, remodeling of arterial walls, and increased vascular superoxide stress and inflammation, and these phenomena were exacerbated by angiotensin II infusion. In contrast, Ovgp1 deficiency attenuated angiotensin II-induced vascular oxidase stress, inflammation, and collagen deposition. These findings indicate that OVGP1 is a prohypertensive factor that directly promotes vascular remodeling. Pull-down and coimmunoprecipitation assays showed that myosin heavy chain II-A (MYH9) interacted with OVGP1, whereas inhibition of MYH9 attenuated OVGP1-induced hypertension and vascular remodeling. CONCLUSIONS: Hypomethylation at cg20823859 in the promoter region of OVGP1 is associated with hypertension and induces upregulation of OVGP1. The interaction between OVGP1 and MYH9 contributes to vascular remodeling and dysfunction. Therefore, OVGP1 is a prohypertensive factor that promotes vascular remodeling by binding with MYH9.

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Integrated analysis of miRNA-mRNA interactions reveals novel target pathways in hypertension-induced cardiac remodeling (mRNA-seq dataset)

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