RNA sequencing of human airway epithelial cultures from cystic fibrosis (CF) and non-CF donors exposed to tumor necrosis factor-alpha and interleukin-17 (TNFα+IL-17) for 48 hours
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ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE176121 | GEO | 2021/06/30
REPOSITORIES: GEO
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Project description:RNA sequencing of human airway epithelial cultures from cystic fibrosis (CF) and non-CF donors exposed to tumor necrosis factor-alpha and interleukin-17 (TNFα+IL-17) for 48 hours
| PRJNA734927 | ENA
Project description:To provide a more detailed survey of adaptive changes in the physiology of P. aeruginosa (PA) during long-term infection of the cystic fibrosis (CF) lung, we performed a comparative proteome and transcriptome analysis of a set of isogenic sequential non-mutator and mutator isolates from three selected CF patients. Recently, we showed that during CF lung persistence PA mutators converge to a virulence-attenuated phenotype. In this study, we demonstrate that besides virulence-associated traits (VATs) the adaptation process of PA predominantly comprises metabolic pathways. In end-stage mutator strains, transcripts of genes encoding VATs, chemotaxis, degradation of aromatic compounds and several two-component regulatory systems were decreased. In contrast, several transcripts of genes or proteins involved in metabolism of fatty acids, nucleotides, amino acids and the generation of energy were increased. Of particular interest is the increased expression level of genes involved in (i) the anaerobic arginine-deiminase pathway, (ii) the anaerobic respiration such as nitrate-uptake protein OprF, redox-active azurin and cytchrome c551 peroxidase, (iii) the micro-aerobic respiration such as high oxygen-affinity cytochrome oxidase cbb3 (iv) the tricarboxylic acid cycle (TCA), glyoxylate shunt and anaplerotic carboxylation reactions to oxaloacetate. Strikingly, an increased transcription of the anaerobic regulator gene anr correlates with the up-regulation of ANR-dependent genes. In conclusion, these changes in transcriptome and proteome indicate an adaptive shift towards constitutive expression of genes of metabolic pathways obviously required for growth under micro-aerobic and nutritional conditions of suppurative CF lung tissue. Finally, these results provide us with new targets for antimicrobial agents and biomarkers reflecting adaptation of PA towards progressive CF lung disease. Keywords: in vitro study/interstrain comparison/clinical isolates/early nonmutator vs. late mutator; variable time point of isolation from cf respiratory secretions
2009-05-26 | GSE10362 | GEO
Project description:To provide a more detailed survey of adaptive changes in the physiology of P. aeruginosa (PA) during long-term infection of the cystic fibrosis (CF) lung, we performed a comparative proteome and transcriptome analysis of a set of isogenic sequential non-mutator and mutator isolates from three selected CF patients. Recently, we showed that during CF lung persistence PA mutators converge to a virulence-attenuated phenotype. In this study, we demonstrate that besides virulence-associated traits (VATs) the adaptation process of PA predominantly comprises metabolic pathways. In end-stage mutator strains, transcripts of genes encoding VATs, chemotaxis, degradation of aromatic compounds and several two-component regulatory systems were decreased. In contrast, several transcripts of genes or proteins involved in metabolism of fatty acids, nucleotides, amino acids and the generation of energy were increased. Of particular interest is the increased expression level of genes involved in (i) the anaerobic arginine-deiminase pathway, (ii) the anaerobic respiration such as nitrate-uptake protein OprF, redox-active azurin and cytchrome c551 peroxidase, (iii) the micro-aerobic respiration such as high oxygen-affinity cytochrome oxidase cbb3 (iv) the tricarboxylic acid cycle (TCA), glyoxylate shunt and anaplerotic carboxylation reactions to oxaloacetate. Strikingly, an increased transcription of the anaerobic regulator gene anr correlates with the up-regulation of ANR-dependent genes. In conclusion, these changes in transcriptome and proteome indicate an adaptive shift towards constitutive expression of genes of metabolic pathways obviously required for growth under micro-aerobic and nutritional conditions of suppurative CF lung tissue. Finally, these results provide us with new targets for antimicrobial agents and biomarkers reflecting adaptation of PA towards progressive CF lung disease. Experiment Overall Design: P. aeruginosa isolates recovered from different time points of chronic cystic fibrosis lung disease were cultered in vitro, harvested for RNA extraction and hybridization on Affymetrix microarrays. We compared the transcriptome (triplicate microarrays) of early non-mutator P. aeruginosa isolates with late mutator isolates with high mutation frequency probably the driving force of an efficient adaptation to changing environements to conclude from differences in gene expression to the requirements of CF lung environment. Experiment Overall Design: Second publication of array data to be added later
2009-06-08 | E-GEOD-10362 | biostudies-arrayexpress
Project description:The goal of this study was to compare cell composition and gene expression patterns for different cell types in large and small airways of CFTR+/+ (non-CF) and CFTR-/- (CF) pigs.
2021-03-16 | GSE150211 | GEO
Project description:Cystic fibrosis (CF), a genetic disorder, is characterized by chronic lung disease. Small non-coding RNAs are key regulators of gene expression and participate in various processes, which are dysregulated in CF; however, they remain poorly studied. Here, we determined the complete microRNAs (miRNAs) expression pattern in three CF ex-vivo models. The miRNA profiles of air-liquid interface cultures of airway epithelia (bronchi, nasal cells, and nasal polyps) samples from patients with CF and non-CF controls were obtained by deep sequencing. Compared with non-CF controls, several miRNAs were deregulated in CF samples, for instance miR-181a-5p and the miR-449 family were upregulated. Moreover, mature miRNAs often showed variations (i.e., isomiRs) relative to their reference sequence, such as miR-101, suggesting that miRNAs consist of heterogeneous repertoires of multiple isoforms with different effects on gene expression. Analysis of miR-181a-5p and miR-101-3p roles indicated that they regulate the expression of WISP1, a key component of cell proliferation/migration programs. We showed that miR-101 and miR-181a-5p participated in aberrant recapitulation of wound healing programs by controlling WISP1 mRNA and protein level. Our miRNA expression data bring new insights into CF physiopathology and define new potential therapeutic targets in CF
2020-10-21 | GSE159708 | GEO
Project description:We did bulk RNA sequencing in newborn cystic fibrosis (CF) and non-CF pig kidney. We compared kidney gene expression profiling between non-CF and CF pigs. RNA sequencing results showed that there is not significant difference between non-CF and CF in terms of gene expression, suggesting that CFTR knockout does not affect kidney development in newborn pigs.
2024-06-07 | GSE217122 | 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:A small-scale whole genome microarray study of gene expression in human native nasal epithelial cells from F508del-CFTR homozygous CF patients and non-CF controls. We used the custom designed Affymetrix HsAirwaya520108F Arrays to compare gene expression in 5 CF and 5 non CF nasal epithelial cell samples. We analysed a total of 10 samples (5 CF and 5 non CF). The CF group contained 2 males and 3 females, with an average age of 14 years and an average of 6% inflammatory cells per sample, and the non CF group contained 3 males and 2 females with an average age of 14.8 years and an average of 4.7% inflammatory cells.
2013-04-10 | E-GEOD-40445 | biostudies-arrayexpress
Project description:We have compared gene expression in human nasal brushing cells from 19 cystic fibrosis (CF) patients and 19 healthy controls using a 5.2K cDNA microarray. Our aim is to identify new disease biomarkers for the Cystic Fibrosis Gene Therapy Consortium. These markers will be used to report more effectively on the response to the administration of gene therapy in vivo. Cystic Fibrosis is a recessive genetic disease caused by mutations in the cystic fibrosis conductance regulator (CFTR) gene which encodes a chloride ion channel. The most common mutation is the ∆F508 mutation, present on 70% of CF chromosomes in Caucasian populations. The disease affects many organs in the body such as the pancreas, liver, sweat glands, small intestine and reproductive tracts but is most commonly associated with progressive, inflammatory lung disease. The current average life expectancy of CF patients is 35 years. Gene therapy is being developed as a treatment for CF airway disease, however, means of measuring the efficiency and efficacy of gene therapy in vivo are lacking. This is mainly due to the difficulty in measuring the chloride conductance of CFTR in cells and tissues. Furthermore, clinical assays for measuring improvements in lung function are insensitive. Surrogate markers of inflammation and CFTR function will therefore be important for the effective assessment of gene therapy in vivo. We have analysed gene expression in human nasal epithelium as this is considered an accessible surrogate for the conducting airways where disease manifests in the majority of patients. Additionally, this tissue will be sampled in clinical trials.
2011-04-30 | E-MEXP-436 | biostudies-arrayexpress
Project description:Summary: CF patients homozygous for the DF08 DF08 genotype present a full range of phenotypic manifestations that exist within the pulmonary system. This project aims to identify candidate genes that influence the severity of pulmonary disease; Hypothesis: The goal is to find genes predictive of progression in CF. More information can be found at http://www.hopkins-genomics.org/cf/cf001/index.html
2007-10-24 | E-GEOD-2395 | biostudies-arrayexpress