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Single cell RNA-seq of spleens of chickens from Marek's-disease-resistant and -susceptible lines infected with Marek's disease virus

ABSTRACT: Single cell RNA-seq of spleens of chickens from Marek's-disease-resistant and -susceptible lines infected with Marek's disease virus

PROVIDER: PRJEB55813 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	ERR10156120_1.fastq.gz	Fastqsanger.gz
	ERR10156120_2.fastq.gz	Fastqsanger.gz
	ERR10156121_1.fastq.gz	Fastqsanger.gz
	ERR10156121_2.fastq.gz	Fastqsanger.gz

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Project description:Purpose: Marek's disease virus (MDV) is an oncogenic herpesvirus that can induce T-cell lymphoma. Long noncoding RNA (lncRNA) strongly associated with various cancers and many other diseases. In chickens, lncRNAs have not been comprehensively identified. Here, we profiled mRNA and lncRNA repertoires in three groups of spleens from MDV-infected and non-infected chickens, including seven tumorous spleens (TS) from MDV-infected chickens, five spleens from the survivors (SS) without any lesion after MDV infection, and five noninfected spleens (NS) from chickens, to explore the underlying mechanism of host resistance to Marek's disease (MD). Results: By using precise lncRNA identification pipeline, we identified 1315 putative lncRNAs and 1166 known lncRNAs in spleen tissue. Genomic features of putative lncRNAs were characterized. Differentially expressed mRNAs, putative lncRNAs and known lncRNAs were profiled. Some previously reported MD resistance candidate genes, such as CTLA4, HDAC9 and CD72, were also found in our differentially expressed genes list. Moreover, we found that several intergroup specifically deregulated genes were involved in important biological processes and pathways, including B cell activation and Wnt signaling pathway. We conducted co-expression network using WGCNA and identified several hub genes that may play pivotal roles in MD resistance and tumorigenesis, e.g. CTLA4, SWAP70, CXCL12 and JCHAIN. According to the expression relationship between lncRNAs and MD resistance candidate mRNAs, five deregulated lncRNAs may implicate the chicken immunity by directly or indirectly regulating those hub genes. Conclusions: We profiled both lncRNA and mRNA expression patterns in MDV-infected chicken spleens. Expression variations of intergroup specifically deregulated genes engaged in important immune process likely contributed to robust immune system in the survivors. Some oncogenesis or MD resistance related genes deregulated between groups, like CTLA4, HDAC9 and CD72 were found. Co-expression network analysis manifested that lncRNAs may affect MD resistance and tumorigenesis in chicken spleens through their impact on expression of CTLA4, SWAP70 and some other genes that are critical in many important biological processes, such as B lymphocyte proliferation and activation.

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Single cell RNA-seq of spleens of chickens from Marek's-disease-resistant and -susceptible lines infected with Marek's disease virus

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