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Reconstruction and Analysis of a Long Noncoding RNA-Associated Competing Endogenous RNA Network in Hypertrophic Cardiomypathy [miRNA-seq]

ABSTRACT: Reconstruction and Analysis of a Long Noncoding RNA-Associated Competing Endogenous RNA Network in Hypertrophic Cardiomypathy [miRNA-seq]

PROVIDER: PRJNA809337 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18099074.fastq.gz	Fastqsanger.gz
	SRR18099075.fastq.gz	Fastqsanger.gz
	SRR18099076.fastq.gz	Fastqsanger.gz
	SRR18099077.fastq.gz	Fastqsanger.gz
	SRR18099078.fastq.gz	Fastqsanger.gz

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Reconstruction and Analysis of a Long Noncoding RNA-Associated Competing Endogenous RNA Network in Hypertrophic Cardiomypathy

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Reconstruction and Analysis of a Long Noncoding RNA-Associated Competing Endogenous RNA Network in Hypertrophic Cardiomypathy [array]

Project description:Hypertrophic cardiomyopathy (HCM) is the most common heritable cardiomyopath that caused by mutations in genes encoding proteins of the cardiac sarcomere. Although multiple efforts have been made to understand the pathogenesis of HCM, the mechanisms of how long noncoding RNA (lncRNA)-associated competing endogenous RNA (ceRNA) network result in HCM still unkown. Herein, we acquired the different expression profiles of lncRNAs (DElncRNAs) and messenger RNAs (mRNA, DEGs) by using microarray, microRNAs (DEmiRNAs) by sequencing in plasma of HCM patients and healthy controls. LncRNA-miRNA pairs were predicted using miRcode and starBase, and crossed with DEmiRNAs. MiRNA-mRNA pairs were retrieved from miRanda and TargetScan, and crossed with DEGs. Combined these pairs, the ceRNA network was constructed and hub nodes were then analyzed to reconstruct subnetwork. Gene Ontology and KEGG pathways were used to analyse the mRNAs in the ceRNA. Total 520 DElncRNAs, 33 DEmiRNAs, and 371 DEGs were identified. By coexpression analysis, 682 lncRNA-mRNA pairs were identiﬁed with a coefﬁcient ≥ 0.9 and p < 0.05. The ceRNA network with 8 lncRNAs, 3 miRNAs and 22 mRNAs was constructed visualized by Cytoscape. LncRNA RP11-66N24.4 and LINC00310 are among the top 10% nodes and the associated ceRNA subnetwork may be the center of the whole ceRNA network. Furthermore, the qRT-PCR results showed that LINC00310 was signifcantly decreased in HCM patients. For LINC00310, GO analysis revealed that the biological processes was enriched in cardiovascular system development, sprouting angiogenesis, circulatory system development and so on, and Pathway analysis was mainly enriched in cGMP-PKG signaling pathway. Our study reveals the novel lncRNA-related ceRNA network in HCM and the identified lncRNA LINC00310 may be roles in the pathogenesis mechanisms of HCM, which could provide further insight into the pathogenesis of HCM.

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