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Comprehensive analysis of differentially expressed lncRNA, circRNA and mRNA and their ceRNA networks in mice with severe acute pancreatitis

ABSTRACT: Comprehensive analysis of differentially expressed lncRNA, circRNA and mRNA and their ceRNA networks in mice with severe acute pancreatitis

PROVIDER: PRJNA679959 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13103100_1.fastq.gz	Fastqsanger.gz
	SRR13103100_2.fastq.gz	Fastqsanger.gz
	SRR13103095_1.fastq.gz	Fastqsanger.gz
	SRR13103095_2.fastq.gz	Fastqsanger.gz
	SRR13103096_1.fastq.gz	Fastqsanger.gz

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Comprehensive analysis of differentially expressed lncRNA, circRNA and mRNA and their ceRNA networks in mice with severe acute pancreatitis

Project description:Severe acute pancreatitis (SAP) is an acute digestive system disease with high morbidity mortality and hospitalization rate worldwide, due to various causes and unknown pathogenesis. In recent years, a large number of studies have confirmed that non-coding RNAs (ncRNAs) play an important role in many cellular processes and disease occurrence. However, the underlying mechanisms based on the function of ncRNAs, including long noncoding RNA (lncRNA) and circular RNA (circRNA), in SAP remain unclear. In this study, we performed high-throughput sequencing on the pancreatic tissues of 3 normal mice and 3 SAP mice for the first time to describe and analyze the expression profiles of ncRNAs, including lncRNA and circRNA. Our results identified that 49 lncRNAs, 56 circRNAs and 1194 mRNAs were differentially expressed in the SAP group, compared with the control group. Furthermore, we performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of differentially expressed lncRNAs and circRNAs, and found that the functions of the parental genes are enriched in the calcium-regulated signaling pathway, NF-κB signaling pathway, autophagy and protein digestion and absorption processes, which are closely related to the central events in pathogenesis of SAP. We also constructed lncRNA/circRNA-miRNA-mRNA networks to further explore their underlying mechanism and possible relationships in SAP. We found that in the competitive endogenous RNA (ceRNA) networks, differentially expressed lncRNAs and circRNAs are mainly involved in the apoptosis pathway and calcium signal transduction pathway. In conclusion, we found that lncRNAs and circRNAs play an important role in the pathogenesis of SAP, which may provide new insights in further exploring the pathogenesis of SAP and seek new targets for SAP.

2021-02-16 | GSE161945 | GEO

CircRNA expression profiles of pancreatic tissues from severe acute pancreatitis mice

Project description:Severe acute pancreatitis (SAP) is the most serious type of pancreatitis with high morbidity and mortality. The underlying mechanism behind SAP pathogenesis is complex and remains elusive. In the present study, next-generation RNA sequencing was utilized to identify circRNA transcripts in the pancreatic tissues from three SAP mice and three matched normal tissues. Our results discovered that 56 circRNAs were differently expressed in SAP compared with normal control. Our findings may provide novel insights for pathophysiological mechanism of SAP and offer novel targets for SAP.

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CircRNA expression profiles of pancreatic tissues from severe acute pancreatitis mice

Project description:CircRNA expression profiles of pancreatic tissues from severe acute pancreatitis mice

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Comprehensive Analysis of Differentially Expressed lncRNA, circRNA and mRNA and Their ceRNA Networks in Mice With Severe Acute Pancreatitis.

Project description:Severe acute pancreatitis (SAP) is an acute digestive system disease with high morbidity mortality and hospitalization rate worldwide, due to various causes and unknown pathogenesis. In recent years, a large number of studies have confirmed that non-coding RNAs (ncRNAs) play an important role in many cellular processes and disease occurrence. However, the underlying mechanisms based on the function of ncRNAs, including long noncoding RNA (lncRNA) and circular RNA (circRNA), in SAP remain unclear. In this study, we performed high-throughput sequencing on the pancreatic tissues of three normal mice and three SAP mice for the first time to describe and analyze the expression profiles of ncRNAs, including lncRNA and circRNA. Our results identified that 49 lncRNAs, 56 circRNAs and 1,194 mRNAs were differentially expressed in the SAP group, compared with the control group. Furthermore, we performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of differentially expressed lncRNAs and circRNAs, and found that the functions of the parental genes are enriched in the calcium-regulated signaling pathway, NF-?B signaling pathway, autophagy and protein digestion and absorption processes, which are closely related to the central events in pathogenesis of SAP. We also constructed lncRNA/circRNA-miRNA-mRNA networks to further explore their underlying mechanism and possible relationships in SAP. We found that in the competitive endogenous RNA (ceRNA) networks, differentially expressed lncRNAs and circRNAs are mainly involved in the apoptosis pathway and calcium signal transduction pathway. In conclusion, we found that lncRNAs and circRNAs play an important role in the pathogenesis of SAP, which may provide new insights in further exploring the pathogenesis of SAP and seek new targets for SAP.

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Comprehensive Dissection of CircRNA-Associated-ceRNA Networks in Cardiac Transplant Rejection Immunity

Project description:Transplant rejection is a major factor limiting allograft survival. CircRNAs are reported to be strongly associated with various diseases pathogenesis. However, the potential role of circRNAs in cardiac transplant rejection are rarely reported. Here, differentially expressed mRNAs and circRNAs were determined by microarrays in allogeneic cardiac allografts. Functional analysis was then performed and a full-scale functional blueprint of the circRNA-associated-ceRNA networks was constructed. Among the circRNA networks, circ23123 expression was negatively linked with cytolytic molecules of CD8+ T cells by targeting miR155-SOCS1 axis. We illustrated a new comprehensive view of circRNAs and their potential functional impact in cardiac transplantation. It may provide a prospective for therapeutic strategy on organ transplant rejection in the future.

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Comprehensive analysis of differentially expressed lncRNA, and mRNA and their ceRNA networks in mice with the initial stage acute pancreatitis

Project description:Acute pancreatitis (AP) is a prevalent digestive disorder with significant morbidity and mortality rates. This study, for the first time, employed high-throughput sequencing on pancreatic tissues from normal and AP mice to identify differentially expressed long noncoding RNAs (lncRNAs) and mRNAs, as well as related signaling pathways, in the early stage of AP. We found 261 lncRNAs and 1,522 mRNAs to be differentially expressed, with Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses revealing gene functions enriched in cellular metabolism, intercellular structure, and positive regulation of inflammation. By constructing lncRNA-miRNA-mRNA networks, we explored underlying mechanisms and interactions in AP. Notably, knockout of Neat1 in mice inhibited pyroptosis in AP and severe acute pancreatitis (SAP) models, suggesting Neat1's pivotal role in AP pathogenesis. These findings highlight the importance of lncRNAs, particularly Neat1, in AP, offering new insights into SAP pathogenesis and potential therapeutic targets.

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Comprehensive analysis of circRNA expression profiles and circRNA associated competing endogenous RNA networks in IgA nephropathy

Project description:Purpose: Immunoglobulin A nephropathy (IgAN) is immune-mediated primary glomerulonephritis, which is the most common reason leading to renal failure worldwide, the exact pathogenesis of IgAN is not well defined. Accumulating evidence indicates that circular RNAs (circRNAs) play crucial roles in the immune disease by involving in the competing endogenous RNA (ceRNA) network mechanism. At present, the studies of the circRNA profiles and circRNA-associated ceRNA networks in the IgAN are still scarce. This study aimed to elucidate the potential roles of circRNA, microRNA (miRNA), and messenger RNA (mRNA) ceRNA network in peripheral blood mononuclear cells (PBMCs) of IgAN. Methods: CircRNA sequencing was used to identify the differential expressed circRNAs (DEcircRNAs) of PBMCs in IgAN and healthy controls. A circRNA-miRNA-mRNA ceRNA network was constructed to further investigate the mechanisms of IgAN. Results: A total of 145 circRNAs were differentially expressed in IgAN compared with controls (|log2 (FC)|>1 and P-value <0.05). Combined with the data from GSE73953 and GSE25590 in GEO database, a ceRNA network was constructed which contained 16 DEcircRNAs, 72 differential expressed mRNAs (DEmRNAs) and 11 differential expressed miRNAs (DEmiRNAs). Conclusion: Our study identified a novel circRNA-mediated ceRNA regulatory network mechanisms in the pathogenesis of IgAN.

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Project description:Purpose: We aimed to detected the circRNA expression profile and constructed a circRNA-based competing endogenous RNA (ceRNA) network in autism. Methods:Valproate acid was used to establish an in vivo model of autism in mice. circRNAs in autism group was identified by RNA sequencing. The expression of circRNAs were detected by real-time PCR. Module analysis was conducted followed by GO and KEGG pathway enrichment analysis. Results: A total of 1059 differentially expressed circRNAs (477 upregulated and 582 downregulated) in autism group. The expression of novel_circ_015779 and novel_circ_035247 were detected by real-time PCR. A ceRNA network based on altered circRNAs was established, with 9715 nodes and 150408 edges. The top three modules were all correlated with autism-related pathways involving ‘TGF-beta signaling pathway’, ‘Notch signaling pathway’, ‘MAPK signaling pathway’, ‘long term depression’, ‘thyroid hormone signaling pathway’, etc. Conclusions: The present study reveals a novel circRNA involved mechanisms in the pathogenesis of autism.

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