Anionic pulmonary surfactant lipid treatment inhibits rhinovirus A infection of the human airway epithelium
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA938464 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Rhinoviruses (RVs) are major instigators of acute exacerbations of asthma, COPD and other respiratory diseases. RVs are categorized into three species (RV-A, RV-B, and RV-C), which comprise more than 160 serotypes, making it difficult to develop an effective vaccine. Currently no effective treatment for RV infection is available. Pulmonary surfactant is an extracellular complex of lipids and proteins that plays a central role in regulating innate immunity in the lung. The minor pulmonary surfactant lipids, palmitoyl-oleoyl-phosphatidylglycerol (POPG) and phosphatidylinositol (PI), are potent regulators of inflammatory processes, and exert antiviral activity against respiratory syncytial virus (RSV) and influenza A viruses (IAV). In the current study, we examined the potencies of POPG and PI against rhinovirus A16 (RV-A16) in primary human airway epithelial cells (AECs) differentiated at an air-liquid interface (ALI). After AECs were infected with RV-A16, PI reduced viral RNA copy number by 80% and downregulated (55-65%) expression of antiviral genes (MDA5, IRF7 and IFN-lambda). In contrast, POPG only slightly decreased MDA5 (24%) and IRF7 (11%) gene expression but did not inhibit IFN-lambda gene expression or RV-A16 replication in AECs. However, both POPG and PI inhibited (50-80%) IL6 and CXCL11 gene expression and protein secretion. PI treatment dramatically attenuated global gene expression changes induced by RV-A16 infection in AECs. Cell type enrichment analysis of viral regulated genes opposed by PI treatment revealed that PI inhibited viral induction of goblet cell metaplasia and virus-induced downregulation of ciliated, club, and ionocyte cell types. Notably, PI treament altered the ability of RV-A16 to regulate expression of some phosphatidylinositol 4-kinase (PI4K), acyl-CoA binding domain containing (ACBD) and low density lipoprotein receptor (LDLR) genes that play critical roles in the formation and functioning of replication organelles (ROs) required for RV replication in host cells. These data suggest PI can be used as a potent, non-toxic antiviral agent for RV infection prophylaxis and treatment.
2023-04-04 | GSE226071 | GEO
Project description:Rhinoviruses (RVs) are major instigators of acute exacerbations of asthma, COPD, and other respiratory diseases. RVs are categorized into three species (RV-A, RV-B, and RV-C), which comprise more than 160 serotypes, making it difficult to develop an effective vaccine. Currently, no effective treatment for RV infection is available. Pulmonary surfactant is an extracellular complex of lipids and proteins that plays a central role in regulating innate immunity in the lung. The minor pulmonary surfactant lipids, palmitoyl-oleoyl-phosphatidylglycerol (POPG) and phosphatidylinositol (PI), are potent regulators of inflammatory processes and exert antiviral activity against respiratory syncytial virus (RSV) and influenza A viruses (IAV). In the current study, we examined the potencies of POPG and PI against rhinovirus A16 (RV-A16) in primary human airway epithelial cells (AECs) differentiated at an air-liquid interface (ALI). After AECs were infected with RV-A16, PI reduced the viral RNA copy number by 70% and downregulated (55-75%) the expression of antiviral (MDA5, IRF7, and IFN-lambda) and CXCL11 chemokine genes. In contrast, POPG only slightly decreased MDA5 (24%) and IRF7 (11%) gene expression but did not inhibit IFN-lambda gene expression or RV-A16 replication in AECs. However, both POPG and PI inhibited (50-80%) IL6 gene expression and protein secretion and CXCL11 protein secretion. PI treatment dramatically attenuated global gene expression changes induced by RV-A16 infection alone in AECs. The observed inhibitory effects were indirect and resulted mainly from the inhibition of virus replication. Cell-type enrichment analysis of viral-regulated genes opposed by PI treatment revealed the PI-inhibited viral induction of goblet cell metaplasia and the virus-induced downregulation of ciliated, club, and ionocyte cell types. Notably, the PI treatment also altered the ability of RV-A16 to regulate the expression of some phosphatidylinositol 4-kinase (PI4K); acyl-CoA-binding, domain-containing (ACBD); and low-density lipoprotein receptor (LDLR) genes that play critical roles in the formation and functioning of replication organelles (ROs) required for RV replication in host cells. These data suggest PI can be used as a potent, non-toxic, antiviral agent for RV infection prophylaxis and treatment.
| S-EPMC10055697 | biostudies-literature
Project description:Relationship between co-substrate and microbial composition in the degradation of anionic surfactant
| PRJEB7621 | ENA
Project description:Primary human bronchial epithelial cells were transfected with siRNA to knockdown IRF7 gene expression, allowed to recover, and then infected with human rhinovirus. At 24 hrs post rhinovirus infection, gene expression patterns were profiled on microarrays. The study design consisted of five donors, two transfection conditions (all-star negtaive control siRNA; IRF7-specific siRNA), and two culture conditions (medium control, rhinovirus-16).
2016-01-10 | E-GEOD-70190 | biostudies-arrayexpress
Project description:Primary human bronchial epithelial cells were transfected with siRNA to knockdown IRF7 gene expression, allowed to recover, and then infected with human rhinovirus. At 24 hrs post rhinovirus infection, gene expression patterns were profiled on microarrays.
2016-01-10 | GSE70190 | GEO
Project description:Feasibility of anionic surfactant removal by anaerobic co-digestion of commercial laundry wastewater and domestic sewage
| PRJEB15156 | ENA
Project description:We report the discovery of a photo-cleavable anionic surfactant, 4-hexylphenylazosulfonate (Azo) that can be rapidly degraded upon UV irradiation, for top-down proteomics. Azo can effectively solubilize proteins with performance comparable to SDS and is mass spectrometry (MS)-compatible. Azo-aided top-down proteomics allowed the detection of 100-fold more unique proteoforms and enabled the solubilization of membrane proteins for comprehensive characterization of post-translational modifications. Azo is simple to synthesize in large quantity for general use as an SDS replacement.
2019-03-29 | PXD010825 | Pride
Project description:This study was performed to test the hypothesis that cigarette smoke extract would alter the responses of primary cultures of human bronchial epithelial cells to infection with purified human rhinovirus 16. The data show marked alterations in rhinovirus-induced expression profiles of a number of genes in the presence of cigarette smoke extract (CSE). Cultured epithelial cells from each of 4 donors were exposed to medium alone, rhinovirus 16 (RV16) alone, CSE alone, or RV16 in the presence of CSE. After a 24 h incubation gene expression was assessed.
2011-03-15 | E-GEOD-27973 | biostudies-arrayexpress
Project description:This study was performed to test the hypothesis that cigarette smoke extract would alter the responses of primary cultures of human bronchial epithelial cells to infection with purified human rhinovirus 16. The data show marked alterations in rhinovirus-induced expression profiles of a number of genes in the presence of cigarette smoke extract (CSE).
2011-03-15 | GSE27973 | GEO
Project description:This study provides a comprehensive evaluation of changes in gene expression during rhinovirus infections in vivo. Subjects were experimentally infected with HRV-16 rhinovirus (RV16) or sham infected (control). Nasal epithelial scrapings collected and processed for microarray analysis. Only subjects exhibiting rhinovirus infection were analyzed. Experiment Overall Design: Randomized, parallel group study. A total of 31 subjects was analyzed: 15 infected and 16 controls. Nasal scapings were taken 14 days prior to infection (d14) and 8 hours (d0) and 2 days (d2) after infection. For each collection, alternating nostrils were used (e.g. -14d = left, 8hr = right, 2d=left) and subjects were randomized for collection (e.g. LRL, RLR).
2008-06-12 | E-GEOD-11348 | biostudies-arrayexpress