Ontology highlight
ABSTRACT:
PROVIDER: PRJNA833160 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR18969409_1.fastq.gz | Fastqsanger.gz | |||
| SRR18969409_2.fastq.gz | Fastqsanger.gz | |||
| SRR18969410_1.fastq.gz | Fastqsanger.gz | |||
| SRR18969410_2.fastq.gz | Fastqsanger.gz | |||
| SRR18969411_1.fastq.gz | Fastqsanger.gz |
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Project description:Intervention type:DRUG. Intervention1:Huaier, Dose form:GRANULES, Route of administration:ORAL, intended dose regimen:20 to 60/day by either bulk or split for 3 months to extended term if necessary. Control intervention1:None.
Primary outcome(s): For mRNA libraries, focus on mRNA studies. Data analysis includes sequencing data processing and basic sequencing data quality control, prediction of new transcripts, differential expression analysis of genes. Gene Ontology (GO) and the KEGG pathway database are used for annotation and enrichment analysis of up-regulated genes and down-regulated genes.
For small RNA libraries, data analysis includes sequencing data process and sequencing data process QC, small RNA distribution across the genome, rRNA, tRNA, alignment with snRNA and snoRNA, construction of known miRNA expression pattern, prediction New miRNA and Study of their secondary structure Based on the expression pattern of miRNA, we perform not only GO / KEGG annotation and enrichment, but also different expression analysis.. Timepoint:RNA sequencing of 240 blood samples of 80 cases and its analysis, scheduled from June 30, 2022..
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Project description:Chromatin plays a crucial role in the intermediation between cell signaling and gene expression. The nucleolus is sensitive to stress and can orchestrate a chain of cellular events in response to stress signals. Despite being a growth factor, FGF2 has anti-proliferative and tumor-suppressive functions in some cellular contexts. In this work, we investigated how the antiproliferative effect of FGF2 modulates chromatin, nucleolus, and rDNA-associated proteins. The chromatin and nucleolar proteome indicated that FGF2 stimulation modulates proteins related to transcription regulation, particularly rRNA expression, and chromatin remodeling proteins. Upon 24 hrs of FGF2 stimulation, the global transcriptional rate and nucleolus area increased in associationalong with intense nucleolar disorganization detected by fibrillarin dispersion and electron microscopy analyses. We confirmed that FGF2 stimulation induced immature rRNA accumulation by increasing rRNA transcription regardless of changes in ribosome profiling. The rDNA-associated protein analysis reinforced that FGF2 stimulus interferes with transcription and rRNA processing/modification, since the proteins Nolc1 and Tcof1 are were upregulated after FGF2 stimulation. Changes in rRNA expression may be crucial for triggering the antiproliferative effect induced by FGF2 since inhibiting RNA Pol I, responsible for rRNA expression, partially reversed the growth arrest induced by FGF2. Taken together, we demonstrate that the antiproliferative FGF2 stimulus triggers significant transcriptional changes, and modulation modulates of the main cell transcription site, the nucleolus, directly modulating the proteome of the rDNA loci.
2022-10-12 | MSV000090516 | MassIVE
Project description:Chromatin plays a crucial role in the intermediation between cell signaling and gene expression. The nucleolus is sensitive to stress and can orchestrate a chain of cellular events in response to stress signals. Despite being a growth factor, FGF2 has anti-proliferative and tumor-suppressive functions in some cellular contexts. In this work, we investigated how the antiproliferative effect of FGF2 modulates chromatin, nucleolus, and rDNA-associated proteins. The chromatin and nucleolar proteome indicated that FGF2 stimulation modulates proteins related to transcription regulation, particularly rRNA expression, and chromatin remodeling proteins. Upon 24 hrs of FGF2 stimulation, the global transcriptional rate and nucleolus area increased in associationalong with intense nucleolar disorganization detected by fibrillarin dispersion and electron microscopy analyses. We confirmed that FGF2 stimulation induced immature rRNA accumulation by increasing rRNA transcription regardless of changes in ribosome profiling. The rDNA-associated protein analysis reinforced that FGF2 stimulus interferes with transcription and rRNA processing/modification, since the proteins Nolc1 and Tcof1 are were upregulated after FGF2 stimulation. Changes in rRNA expression may be crucial for triggering the antiproliferative effect induced by FGF2 since inhibiting RNA Pol I, responsible for rRNA expression, partially reversed the growth arrest induced by FGF2. Taken together, we demonstrate that the antiproliferative FGF2 stimulus triggers significant transcriptional changes, and modulation modulates of the main cell transcription site, the nucleolus, directly modulating the proteome of the rDNA loci.
2022-10-12 | MSV000090518 | MassIVE
Project description:Chromatin plays a crucial role in the intermediation between cell signaling and gene expression. The nucleolus is sensitive to stress and can orchestrate a chain of cellular events in response to stress signals. Despite being a growth factor, FGF2 has anti-proliferative and tumor-suppressive functions in some cellular contexts. In this work, we investigated how the antiproliferative effect of FGF2 modulates chromatin, nucleolus, and rDNA-associated proteins. The chromatin and nucleolar proteome indicated that FGF2 stimulation modulates proteins related to transcription regulation, particularly rRNA expression, and chromatin remodeling proteins. Upon 24 hrs of FGF2 stimulation, the global transcriptional rate and nucleolus area increased in associationalong with intense nucleolar disorganization detected by fibrillarin dispersion and electron microscopy analyses. We confirmed that FGF2 stimulation induced immature rRNA accumulation by increasing rRNA transcription regardless of changes in ribosome profiling. The rDNA-associated protein analysis reinforced that FGF2 stimulus interferes with transcription and rRNA processing/modification, since the proteins Nolc1 and Tcof1 are were upregulated after FGF2 stimulation. Changes in rRNA expression may be crucial for triggering the antiproliferative effect induced by FGF2 since inhibiting RNA Pol I, responsible for rRNA expression, partially reversed the growth arrest induced by FGF2. Taken together, we demonstrate that the antiproliferative FGF2 stimulus triggers significant transcriptional changes, and modulation modulates of the main cell transcription site, the nucleolus, directly modulating the proteome of the rDNA loci.
2022-10-11 | MSV000090511 | MassIVE
Project description:Chromatin plays a crucial role in the intermediation between cell signaling and gene expression. The nucleolus is sensitive to stress and can orchestrate a chain of cellular events in response to stress signals. Despite being a growth factor, FGF2 has anti-proliferative and tumor-suppressive functions in some cellular contexts. In this work, we investigated how the antiproliferative effect of FGF2 modulates chromatin, nucleolus, and rDNA-associated proteins. The chromatin and nucleolar proteome indicated that FGF2 stimulation modulates proteins related to transcription regulation, particularly rRNA expression, and chromatin remodeling proteins. Upon 24 hrs of FGF2 stimulation, the global transcriptional rate and nucleolus area increased along with intense nucleolar disorganization detected by fibrillarin dispersion and electron microscopy analyses. We confirmed that FGF2 stimulation induced immature rRNA accumulation by increasing rRNA transcription regardless of changes in ribosome profiling. The rDNA-associated protein analysis reinforced that FGF2 stimulus interferes with transcription and rRNA processing/modification, since the proteins Nolc1 and Tcof1 were upregulated after FGF2 stimulation. Changes in rRNA expression may be crucial for triggering the antiproliferative effect induced by FGF2 since inhibiting RNA Pol I, responsible for rRNA expression, partially reversed the growth arrest induced by FGF2. Taken together, we demonstrate that the antiproliferative FGF2 stimulus triggers significant transcriptional changes and modulates the main cell transcription site, the nucleolus, directly modulating the proteome of the rDNA loci.
2024-09-28 | PXD037348 | Pride
Project description:Disordered angiogenesis is implicated in the pulmonary vascular remodeling secondary to congenital heart disease (CHD). However, the underlying genes are not well delineated. We have previously shown that an ovine model of CHD with increased pulmonary blood flow (PBF, Shunt) has an “angiogenesis burst” between 1-4 weeks of age. Thus, we hypothesized that the increased pulmonary blood flow elicited a pro-angiogenic gene expression profile prior to the onset of vessel growth. To test this we utilized microarray analysis to identify genes that could be responsible for the angiogenic response. Total RNA was isolated from the lungs of Shunt and Control lambs at 3 days of age and hybridized to Affymetrix GeneChips for microarray analyses (n=8 for each group). A total of 89 angiogenesis-related genes were found to be up-regulated and 26 angiogenesis-related genes down-regulated in Shunt lungs compared to control (cutting at 1.2 fold difference, P<0.05). We then confirmed the up-regulation of pro-angiogenic genes: FGF2, Angiopoietin2 (Angpt2), and Birc5 at both mRNA and protein levels and the up-regulation of ccl2 at mRNA level in the 3-day shunt lungs. Further, we found that pulmonary arterial endothelial cells (PAEC) isolated from juvenile lambs exhibited increased expression of FGF2, Angpt2, Birc5, and ccl2 as well as enhanced angiogenesis when exposed to elevated shear stress (35 dyn/cm2) compared to cells exposed to more physiological level shear stress (20 dyn/cm2). Finally, we demonstrated that blocking FGF2, Angpt2, or Birc 5 signaling, using neutralizing antibodies, significantly decreased the angiogenic response induced by shear stress. In conclusion, we have identified a pro-angiogenic gene expression profile in a lamb model of CHD with increased PBF that precedes the onset of pulmonary vascular remodeling. Further, our data indicate that FGF2, Angiopoietin2, Birc5, and ccl2 may play important roles in the angiogenic response.
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Project description:The molecular mechanisms of progressive right heart failure are incompletely understood. We systematically examined transcriptomic changes occurring over months in isolated cardiomyocytes or whole heart tissues from failing right and left ventricles in rat models of pulmonary artery (PAB) or aortic banding (AOB). Detailed bioinformatics analyses resulted in the identification of gene signatures, protein, and transcription factor networks specific to ventricles and compensated or decompensated disease states. Proteomic and RNA-FISH analyses confirmed PAB-mediated regulation of key genes (including proenkephalin) and revealed spatially heterogeneous mRNA expression in the heart. Intersection of rat PAB-specific gene sets with transcriptome data sets from human patients with chronic thromboembolic pulmonary hypertension led to the identification of more than 50 genes whose expression levels correlated with the severity of right heart disease, including multiple matrix-regulating and secreted factors. These data define a conserved, differentially regulated genetic network associated with right heart failure in rats and humans
2024-04-11 | PXD047022 | Pride
Project description:Adult human dermal fibroblasts reside in vivo under low oxygen tension. Thus, low oxygen culture conditions represent a physiological state for adult human dermal fibroblasts. We have also previously shown that low oxygen and addition of basic fibroblast growth factor (FGF2) lead to prolonged life-span of adult human dermal fibroblasts. Therefore, we set to determine effects of low oxygen and FGF2 on the gene expression signature of adult human dermal fibroblasts. This global analysis will allow identification of genes affected and pathways regulated by low oxygen and FGF2.
2016-12-21 | GSE60580 | GEO