Cystic Fibrosis Keystone Species
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA587705 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10401166.fastq.gz | Fastqsanger.gz | |||
| SRR10401167.fastq.gz | Fastqsanger.gz | |||
| SRR10401168.fastq.gz | Fastqsanger.gz | |||
| SRR10401169.fastq.gz | Fastqsanger.gz | |||
| SRR10401170.fastq.gz | Fastqsanger.gz |
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Project description:This project shows that the use of antibiotics targeting gram-positive, anaerobic bacteria can improve patient's health by removing the main nutritional sources of classic pathogens. These antibiotics, traditionally not used in CF therapy, target anaerobes that efficiently degrade mucus providing metabolic products that feed and stimulate the expression of virulence factors in Pseudomonas. They work as keystone groups sustaining the stability of the entire microbial community, and their control drives a decrease in Pseudomonas abundance and virulence.
2020-10-30 | GSE139943 | GEO
Project description:This multi-center study will compare multi-target DNA and quantitative FIT stool-based testing to colonoscopy in individuals with Cystic Fibrosis (CF) undergoing colon cancer screening with colonoscopy. The primary endpoint is detection of any adenomas, including advanced adenomas and colorectal cancer (CRC).
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Project description:The transcriptomic profile of cystic fibrosis human lung fibroblasts was compared to normal human lung fibroblasts.
2020-06-15 | GSE141535 | GEO
Project description:CF's physiopathology is poorly explained by the mutation alone. The oxydative stress could be a major factor of this illness . Study its impact on transcriptome's CF cell line could be ameliorate our understanding of the evolution of cystic fibrosis. we used microarray technology to evaluate under oxydative stress, the transcriptional state of an epithelial lung cell issued from a human with cystic fibrosis and to identify a set of modulated genes associated to survival cell processes. the two cell lines are cultivated to Air-liquid Interface for RNA extraction and hybridization on Affymetrix microarrays. Each condition is triplicated. For the oxidative stress conditions, the two cell lines are treated on apical site by 15 µl of DMNQ (2,3-dimethoxy-1,4-naphtoquinone) ,concentrated at 15 µM, during 24 hours before RNA extraction.
2012-08-02 | E-GEOD-39843 | biostudies-arrayexpress
Project description:CF's physiopathology is poorly explained by the mutation alone. The oxydative stress could be a major factor of this illness . Study its impact on transcriptome's CF cell line could be ameliorate our understanding of the evolution of cystic fibrosis. we used microarray technology to evaluate under oxydative stress, the transcriptional state of an epithelial lung cell issued from a human with cystic fibrosis and to identify a set of modulated genes associated to survival cell processes.
2012-08-03 | GSE39843 | GEO
Project description:Our laboratory has held a long interest in the glycosylation changes seen on the surface of airway epithelia of patients with the disease cystic fibrosis (CF). Experiments from our laboratory have detailed a CF glycosylation phenotype of increased Fuca1,3/4 and decreased Fuca1,2 and sialic acid on the surfaces of immortalized and primary CF cells compared to non-CF cells. Further, we have shown that gene transfer and subsequent expression of a wild type CF plasmid in CF airway cells results in correction or reversal of this glycosylation phenotype. We hypothesize that the changes in glycosylation seen in CF cells are key in the pathophysiology of the cystic fibrosis airway disease. For example, it has been shown that Pseudomonas aeruginosa, a bacterium that has a predilection for colonizing CF airways, adheres to asialylated glycolipids and glycoconjugates with terminal Fuca1,3/4. One focus of our laboratory is to elucidate the etiology of the glycosylation changes seen in CF cells and the mechanism by which these changes are reversed by wild type CFTR gene transfer. We propose to study the gene expression of immortalized and primary CF and non-CF airway epithelial cells: 1. CF/T43 vs. BEAS-2B cells. These are two widely used immortalized airway cell lines that we have used extensively in the past. 2. C38 cells; C38 cells are IB3 cells expressing wtCFTR. The experimental focus is to elucidate the etiology of the glycosylation changes seen in Cystic Fibrosis (CF) cells and the mechanism by which these changes are reversed by wild type CFTR gene transfer. To do so, the gene expression of immortalized and primary CF and non-CF airway epithelial cells were compared and studied. Cell lines used were CF/T43 and BEAS-2B, both widely used immortalized airway cell lines. Other cell lines studied included C38 cell lines (clonal derivatives of IB3 cells expressing wtCFTR).
2011-01-07 | E-GEOD-26482 | biostudies-arrayexpress
Project description:Transcriptome profile of B. cenocepacia grown in cystic fibrosis sputum
2008-01-01 | E-MEXP-1261 | biostudies-arrayexpress
Project description:Transcriptome profile of Primary Human Lung Fibroblasts (Cystic Fibrosis vs. Non-Cystic Fibrosis)
| PRJNA593827 | ENA
Project description:Cystic fibrosis (CF) intestinal disease is characterized by alterations in processes such as proliferation and apoptosis which are known to be regulated in part by microRNA’s. Herein, we completed microRNA expression profiling of the intestinal tissue from the cystic fibrosis mouse model of cystic fibrosis transmembrane conductance regulator (Cftr) deficient mice (BALBc/J Cftrtm1UNC), relative to that of wildtype littermates, to determine whether changes in microRNA expression level are part of this phenotype. We identified 24 microRNA's to be significantly differentially expressed in tissue from CF mice compared to wildtype, with the higher expression in tissue from CF mice. These data were confirmed with real time PCR measurements. A comparison of the list of genes previously reported to have decreased expression in the BALB x C57BL/6J F2 CF intestine to that of genes putatively targeted by the 24 microRNA’s, determined from target prediction software, revealed 20% of the gene expression profile to overlap with predicted targets. Pathway analysis identified these common genes to function in phosphatase and tensin homolog-, protein kinase A-, phosphoinositide-3 kinase/Akt- and peroxisome proliferator-activated receptor alpha/retinoid X receptor alpha signaling pathways, among others, and through real time PCR experiments genes of these pathways were demonstrated to have lower expression in the BALB CF intestine. We conclude that altered microRNA expression is a feature which putatively influences both metabolic abnormalities and the altered tissue homeostasis component of CF intestinal disease. Two condition experiment, Balbc/J Cftrtm1UNC -/- (Cystic Fibrosis (CF) Mice) and Balbc/J Cftrtm1UNC +/+ (Wild Type (WT) Mice). Biological Replicates: 7 WT, 8CF. Ileum Tissue.
2011-06-01 | E-GEOD-19621 | biostudies-arrayexpress