Mus musculus strain:C57/BL6
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA324595 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR3644410_1.fastq.gz | Fastqsanger.gz | |||
| SRR3644410_2.fastq.gz | Fastqsanger.gz | |||
| SRR3644420_1.fastq.gz | Fastqsanger.gz | |||
| SRR3644420_2.fastq.gz | Fastqsanger.gz | |||
| SRR3644411_1.fastq.gz | Fastqsanger.gz |
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Project description:The RNA-binding protein Rbm24 has recently been identified as a pivotal splicing factor in the developing heart. Loss of Rbm24 in mice disrupts cardiac development by governing a large number of muscle- specific splicing events. Since Rbm24 knockout mice are embryonically lethal, the role of Rbm24 in the adult heart remained unexplored. Here, we used adeno-associated viruses (AAV9) to investigate the effect of increased Rbm24 levels in adult mouse heart. Using high-resolution microarrays, we found 893 differentially expressed genes and 1102 differential splicing events in 714 genes in hearts overexpressing Rbm24. We found splicing differences in cardiac genes, such as PDZ and Lim domain 5, Phospholamban, and Titin, but did not find splicing differences in previously identified embryonic splicing targets of Rbm24, such as skNAC, αNAC, and Coro6. Gene ontology enrichment analysis demonstrated increased expression of extracellular matrix (ECM)-related and immune response genes. Moreover, we found increased expression of Tgfβ-signaling genes, suggesting enhanced Tgfβ-signaling in these hearts. Ultimately, this increased activation of cardiac fibroblasts, as evidenced by robust expression of Periostin in the heart, and extensive cardiac fibrosis. These results indicate that Rbm24 may function as a regulator of cardiac fibrosis, potentially through the regulation of TgfβR1 and TgfβR2 expression.
2018-07-16 | GSE110991 | GEO
Project description:The discovery of an emerging viral disease, severe fever with thrombocytopenia syndrome (SFTS), caused by SFTS virus (SFTSV), has prompted the need to understand pathogenesis of SFTSV. We are unique in establishing an infectious model of SFTS in C57/BL6 mice, resulting in hallmark symptoms of thrombocytopenia and leukocytopenia. Viral RNA and histopathological changes were identified in the spleen, liver, and kidney. However, viral replication was only found in the spleen, which suggested the spleen to be the principle target organ of SFTSV. Moreover, the number of macrophages and platelets were largely increased in the spleen, and SFTSV colocalized with platelets in cytoplasm of macrophages in the red pulp of the spleen. In vitro cellular assays further revealed that SFTSV adhered to mouse platelets and facilitated the phagocytosis of platelets by mouse primary macrophages, which in combination with in vivo findings, suggests that SFTSV-induced thrombocytopenia is caused by clearance of circulating virus-bound platelets by splenic macrophages. Thus, this study has elucidated the pathogenic mechanisms of thrombocytopenia in a mouse model resembling human SFTS disease.
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Project description:Anaysis of mRNA changes in HeLa cells following knockdown of Drosha or DGCR8. Drosha is a nuclear RNase III that carries out microRNA (miRNA) processing by cleaving primary microRNA transcript (pri-miRNA). DGCR8 is an essential co-factor of Drosha. Keywords: gene expression array-based (RNA / in situ oligonucleotide)
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Project description:We aimed to identify the hepatoprotective effects of Terminalia chebula water extract (TCW) and its corresponding pharmacological actions using C57/BL6 mice model of tert-butylhydroperoxide-(t-BHP-) induced acute liver injury. Mice were orally administered with TCW (0, 50, 100, or 200?mg/kg) or gallic acid (100?mg/kg) for 5 days before t-BHP (2.5?mM/kg) injection. Liver enzymes, histopathology, oxidative stress parameters, antioxidant components, and inflammatory cytokines were examined 18?h after t-BHP injection. t-BHP injection caused dramatic elevation of serum AST, ALT, and LDH level, while TCW pretreatment notably attenuated these elevations. Inflammatory cytokines including TNF-?, IL-1?, and IL-6 were notably increased in hepatic tissues, and then these were efficiently attenuated by TCW pretreatment. t-BHP injection notably increased malondialdehyde, total reactive oxygen species, and nitric oxide in the liver tissue, while it markedly dropped the antioxidant activities including total antioxidant capacity, total glutathione contents, glutathione peroxidase, superoxide dismutase, and catalase. TCW pretreatment remarkably ameliorated these alterations, and these effects were relevant to gene expressions. Histopathological examinations supported the above findings. Collectively, these findings well prove that TCW beneficially prevents acute and severe liver injury and clarify its corresponding mechanisms involved in the inhibition of oxidative stress and inflammatory cytokines.
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Project description:Here, the complete genome sequence of Duncaniella muris strain B8 is presented. The anaerobic strain was isolated from the feces of C57/BL6 mice and is closely related to D. muris strain DSM 103720, which is the type strain of the recently proposed genus Duncaniella of the Muribaculaceae.
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Project description:RNA-seq of mouse deep digital flexor tendon after ovariectomy
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