Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA238626 | ENA |
REPOSITORIES: ENA
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2. Evaluate the clinical utility of detecting long noncoding RNA (CCAT1) expression in diagnosis of colorectal cancer patients & its relation to tumor staging.
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Project description:Bronchial brushing RNA-seq from cystic fibrosis patients
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Project description:Long non-coding RNAs (lncRNAs) have emerged recently as key regulatory molecules with diverse roles at almost every level of the regulation of gene expression. The roles of these RNAs in the pathogenesis of cystic fibrosis (CF); a lethal multisystem, autosomal recessive disorder have yet to be explored. Our aim was to examine the expression profile of lncRNA, in the airway epithelium of people with CF. We examined the expression of 30,586 lncRNAs by microarray (Human LncRNA Array v3.0, Arraystar, Inc), in vivo in bronchial cells isolated from endobronchial brushings obtained from CF and non-CF individuals. In total, we identified 1,063 lncRNAs with differential expression between CF and non-CF individuals (fold changeM-bM-^IM-%3, pM-bM-^IM-$0.001). The microarray also contained probes for ~26,109 protein coding transcripts, of which 720 were differentially expressed between CF and non-CF brush samples (fold changeM-bM-^IM-%3, pM-bM-^IM-$0.001). Confirmation of a selection of differentially expressed coding mRNA and lncRNA transcripts such as TLR8 and XIST was achieved using qRT-PCR. Gene ontology bioinformatics analysis, highlighted that many processes over-represented in the CF bronchial epithelium are related to inflammation. These data show a significantly altered lncRNA and mRNA expression profile in CF bronchial cells in vivo. Dysregulation of some of these lncRNAs may play important roles in the chronic infection and inflammation that exists in the lungs of people with CF. RNA was extracted from bronchial epithelial cells obtained from bronchial brushings at bronchoscopy. Three individual biological replicates from each group (Non-CF and CF) were profiled by microarray.
2014-03-10 | E-GEOD-55146 | biostudies-arrayexpress
Project description:Cystic fibrosis bronchial epithelial (CFBE41o-ΔF508) cells subjected to 23 bio-active small molecules including vehicle controls, at low temperature and untreated cells. Untreated Cystic fibrosis bronchial epithelial cells (CFBE41o−CFTR) are also included.
2016-12-12 | GSE67698 | GEO
Project description:The nasal and bronchial epithelium are unified parts of the respiratory tract that are affected in the monogenic disorder cystic fibrosis (CF). Recent studies have uncovered that nasal and bronchial tissues exhibit intrinsic variability, including differences in mucociliary cell composition and expression of unique transcriptional regulatory proteins which relate to germ layer origin. In the present study, we explored transcriptomic differences between cultured nasal and bronchial epithelial cells from people with CF. Comparison of air-liquid interface-differentiated epithelial cells from subjects with CF revealed distinct mucociliary differentiation states of nasal and bronchial cultures. Moreover, using RNA sequencing we identified cell type-specific signature transcription factors in differentiated nasal and bronchial epithelial cells.
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Project description:The purpose of the study is to compare the transcriptomic profile of the airway epithelium generated from bronchial airway epithelial cells isolated from healthy donors (NCF) and patients with cystic fibrosis (CF). Cells were grown at the air-liquid interface for at least 2-months. CF is caused by mutations of the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Only patients homozygous for the F508del mutation of the CFTR gene were considered. The reconstituted airway epithelium was mechanically wounded and allowed to repair with time. We considered four steps: 1) intact, non-wounded (NW) epithelium; 2) 24h hours post-wounding (pW); 3) time at which the wound is closed (WC); 4) two days post-wound closure (pWC). We also mimicked infection by exposing the cells to Pseudominas aeruginosa flagelin for NW and WC conditions.
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Project description:Ribosomal profiling in Cystic Fibrosis Bronchial Epithelial cells
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Project description:Long non-coding RNAs (lncRNAs) have emerged recently as key regulatory molecules with diverse roles at almost every level of the regulation of gene expression. The roles of these RNAs in the pathogenesis of cystic fibrosis (CF); a lethal multisystem, autosomal recessive disorder have yet to be explored. Our aim was to examine the expression profile of lncRNA, in the airway epithelium of people with CF. We examined the expression of 30,586 lncRNAs by microarray (Human LncRNA Array v3.0, Arraystar, Inc), in vivo in bronchial cells isolated from endobronchial brushings obtained from CF and non-CF individuals. In total, we identified 1,063 lncRNAs with differential expression between CF and non-CF individuals (fold change≥3, p≤0.001). The microarray also contained probes for ~26,109 protein coding transcripts, of which 720 were differentially expressed between CF and non-CF brush samples (fold change≥3, p≤0.001). Confirmation of a selection of differentially expressed coding mRNA and lncRNA transcripts such as TLR8 and XIST was achieved using qRT-PCR. Gene ontology bioinformatics analysis, highlighted that many processes over-represented in the CF bronchial epithelium are related to inflammation. These data show a significantly altered lncRNA and mRNA expression profile in CF bronchial cells in vivo. Dysregulation of some of these lncRNAs may play important roles in the chronic infection and inflammation that exists in the lungs of people with CF.
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Project description:miRNA expression profiling in Cystic Fibrosis Airway Epithelium
| PRJNA122299 | ENA
Project description:The purpose of this study was to explore miRNA mediated Transforming Growth Factor (TGF)-β1 regulation of F508del Cystic Fibrosis Transmembrane Conductance regulator (CFTR). To fulfill this goal, miRNA sequencing was done to see miRNA landscape in Cystic Fibrosis Bronchial Epithelial (CFBE) Cells with homozygous WT-CFTR and F508del mutated CFTR in response to TGFβ1 treatment.
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