Effects of HSP90 inhibitors on airway goblet cell metaplasia
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA480665 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR7510090_1.fastq.gz | Fastqsanger.gz | |||
| SRR7510090_2.fastq.gz | Fastqsanger.gz | |||
| SRR7510100_1.fastq.gz | Fastqsanger.gz | |||
| SRR7510100_2.fastq.gz | Fastqsanger.gz | |||
| SRR7510110_1.fastq.gz | Fastqsanger.gz |
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Project description:Goblet cell metaplasia and mucus hypersecretion are disabling hallmarks of chronic lung diseases for which no curative treatments are available. Therapies targeting specific upstream drivers of asthma have had variable results. We hypothesized that an a priori-knowledge independent approach would point to new therapies for airway goblet cell metaplasia. We analyzed the transcriptome of an organotypic model of human goblet cell metaplasia. We combined our data with previously published datasets from IL13-exposed in vitro and asthmatic in vivo human airway epithelial cells. The drug perturbation-response connectivity approach identified the heat shock protein 90 (HSP90) inhibitor geldanamycin as a candidate for reverting airway goblet cell metaplasia. We found that geldanamycin not only prevented but reverted IL13-induced goblet cell metaplasia. Geldanamycin did not induce goblet cell death, did not solely block mucin synthesis, and did not block IL13 receptor-proximal signaling. Moreover, the transcriptional effects of geldanamycin were absent in unstimulated cells and became evident only after stimulation with IL13. The predicted mechanism of action suggested that geldanamycin should also revert IL17-induced goblet cell metaplasia, a prediction confirmed by our data. Our findings suggest HSP90 activity may be required for persistence of goblet cell metaplasia driven by various mechanisms in chronic lung diseases.
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2007-07-06 | E-GEOD-3925 | biostudies-arrayexpress
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Project description:Chronic obstructive pulmonary disease (COPD) is the 3rd leading cause of death in the United States and is caused primarily by cigarette smoking. Increased numbers of mucus-producing secretory (“goblet”) cells defined as goblet cell metaplasia or hyperplasia (GCMH), contributes significantly to COPD pathophysiology. The objective of this study was to determine whether NOTCH signaling regulates goblet cell differentiation in response to cigarette smoke. To this end, primary human bronchial epithelial cells (HBECs) from nonsmokers and COPD smokers were differentiated in vitro on air-liquid interface and exposed to cigarette smoke extract (CSE) for 7 days. NOTCH signaling activity was modulated using (1) the NOTCH/γ-secretase inhibitor Dibenzazepine (DBZ), (2) lentiviral over-expression of the NOTCH3-intracellular domain (NICD3) or (3) NOTCH3-specific siRNA. Cell differentiation and response to CSE were evaluated by qPCR, Western blotting, immunostaining and RNA-Seq. Our data demonstrate that CSE exposure of nonsmoker airway epithelium induced goblet cell differentiation characteristic of GCMH. Treatment with DBZ suppressed CSE-dependent induction of goblet cell differentiation. Furthermore, CSE induced NOTCH3 activation, as revealed by increased NOTCH3 nuclear localization and elevated NICD3 protein levels. Over-expression of NICD3 increased expression of the goblet cell associated genes SPDEF and MUC5AC, whereas NOTCH3 knockdown suppressed CSE-mediated induction of SPDEF and MUC5AC. Finally, CSE exposure of COPD airway epithelium induced goblet cell differentiation in a NOTCH3-dependent manner. These results identify NOTCH3 activation as one of the important mechanisms by which cigarette smoke induces goblet cell differentiation, thus providing a potential strategy to control GCMH-related pathologies in smokers and patients with COPD.
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Project description:Primary culture airway epithelial cells, grown under physiologic air-liquid interface conditions, with, or without IL-13 in order to study the effects of this cytokine on mucous cell metaplasia, an important feature of asthma and COPD. Keywords: IL13, mucus, goblet cell RNA was isolated from primary culture airway epithelial cells grown at air-liquid interface, treated with or without IL-13 for 21 days.
2012-12-04 | E-GEOD-37693 | biostudies-arrayexpress
Project description:High numbers of goblet cells in airways contribute to the mucus obstruction characteristic of asthmatic airways. Allergen challenged mice exhibit robust expression of goblet cells within airway surface epithelium. This study looks at the temporal analysis of IL-13 exposed murine airways to elucidate pathways that result in differentiation of airway epithelial cells to goblet cells. Keywords: other
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Project description:IL13 exposure results in a distinct gene expression profile in human airway epithelia. We investigated whether this expression profile can be used to identify compounds able to block goblet cell metaplasia We used microarrays to determine transcriptional changes in cultures of primary human airway epithelia grown at the air-liquid interface after exposure to 20 ng/mL recombinant human IL13
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Project description:Primary culture airway epithelial cells, grown under physiologic air-liquid interface conditions, with, or without IL-13 in order to study the effects of this cytokine on mucous cell metaplasia, an important feature of asthma and COPD. Keywords: IL13, mucus, goblet cell
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