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Immunometabolic effect of nitric oxide on human macrophages challenged with the SARS-CoV2-induced cytokine storm

ABSTRACT: Immunometabolic effect of nitric oxide on human macrophages challenged with the SARS-CoV2-induced cytokine storm

PROVIDER: PRJNA989638 | ENA |

REPOSITORIES: ENA

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Immunometabolic effect of nitric oxide on human macrophages challenged with the SARS-CoV2-induced cytokine storm

Project description:Acute bilateral pneumonia in individuals infected with COVID-19 is the result of a storm of pro-inflammatory cytokines and proteases intensively released by alveolar macrophages, recruiting neutrophils and promoting 'netosis'. Both processes are responsible for the subsequent damage (severe respiratory distress, neutropenia, leukopenia, humoral elevation of inflammation mediators, etc.), which spreads to other organs (thromboembolism, liver, kidney and heart damage). This proposal aims at the administration of inhaled nitric oxide (NO) and NO donors at the systemic level in order to prevent the activation of the innate immune system in the lung, as well as to avoid neutropenia and thromboembolism phenomena, preserving the adaptative immune system function for the benefit of the patient. For this purpose, the immunometabolic properties of human-derived macrophages treated with pro-inflammatory cytokines and an NO donor were evaluated.

2023-07-01 | GSE236294 | GEO

Role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema.

Project description:The purpose of this study is to comprehensively elucidate the role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema using cap analysis of gene expression (CAGE) sequencing.

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Oleic acid-dependent modulation of Nitric Oxide Associated 1 protein levels regulate nitric oxide mediate signaling in plant defense.

2012-08-01 | GSE36797 | GEO

Role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema.

Project description:Role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema.

| PRJNA691047 | ENA

Oleic acid-dependent modulation of Nitric Oxide Associated 1 protein levels regulate nitric oxide mediate signaling in plant defense.

Project description:Oleic acid-dependent modulation of Nitric Oxide Associated 1 protein levels regulate nitric oxide- mediate signaling in plant defense. Nitric Oxide, Oleic acid, Salicylic acid, Arabidopsis, Defense Wild-type Col-0, mutant genotypes ssi2, ssi2 act1 and ssi2 sid2 with three biological replicates were analyzed (one array each)

2012-07-31 | E-GEOD-36797 | biostudies-arrayexpress

Transcriptome response to nitric oxide in Pseudomonas aeruginosa

2014-12-08 | GSE58862 | GEO

Transcriptome response to nitric oxide in Pseudomonas aeruginosa

Project description:DNA microarray analysis was employed to investigate the transcriptome response to nitric oxide in Pseudomonas aeruginosa. We focused on the role played by the nitric oxide-response regulators DNR and FhpR and an oxygen-response regulator ANR in the response. The transcriptome profiles of the P. aeruginosa strains before and after exposure to nitric oxide under the microaerobic conditions were analyzed. Wild type, its anr, dnr, and fhpR mutants, and the anr mutant that express dnr were used for the analyses. Pseudomonas aeruginosa wild type (PAO1ut), anr mutant (RManr), dnr mutant (RMdnr), anr mutant that constitutively expresses DNR (RManrEXdnr), and fhpR mutant (PDM2665) were cultivated microaerobically in LB in 1-liter jar fermenter. When optical density at 600 nm reached 0.3, nitric oxide-saturated water was added to the medium (final nitric oxide concentration was 20 micro-M). RNA was isolated from a 10 ml aliquot of the culture prior to the addition of nitric oxide and at 5 min after the addition. The experiment was performed in duplicate independent cultures.

2014-12-08 | E-GEOD-58862 | biostudies-arrayexpress

Nitric oxide synthase interactome

Project description:Identify the proteins interacting with human nitric oxide synthases

2023-06-01 | PXD040726 | Pride

Discovery of drugs to treat cytokine storm-induced cardiac dysfunction

Project description:SARS-CoV2 infection leads to cardiac injury and dysfunction in 20-30% of hospitalized patients and higher rates of mortality in patients with pre-existing cardiovascular disease. Inflammatory factors released as part of the 'cytokine storm' are thought to play a critical role in cardiac dysfunction in severe COVID-19 patients. Here we use human cardiac organoid technology combined with high sensitivity phosphoproteomics and single nuclei RNA sequencing to identify inflammatory targets inducing cardiac dysfunction. This new pipeline allowed rapid progress and identification of putative therapeutics. We identify a novel interferon-gamma driven BRD4 (bromodomain protein 4)-fibrosis/iNOS axis as a key intracellular mediator of inflammation-induced cardiac dysfunction. This axis is therapeutically targetable using BRD4 inhibitors, which promoted full recovery of function in human cardiac organoids and prevented severe inflammation and death in a cytokine-storm mouse model. The BRD inhibitor INCB054329 was the most efficacious, and is a prime candidate for drug repurposing to attenuate cardiac dysfunction and improve COVID-19 mortality in humans.

2022-02-21 | PXD020994 | Pride

Gene expression in response to exposure to nitric oxide

Project description:To analyze gene expression pattern in response to nitric oxde in Saccharomyces cerevisiae, we performed microarray analysis using yeast cells treated with a nitric oxide donor S-nitroso-N-acetyl-DL-penicillamine (SNAP). S. cerevisiae S288c strain was cultured in synthetic dextrose (SD) minimal medium up to log phase (OD600 = 1), and then treated with 100 micro molar of SNAP for 10, 30, or 60 min. After treatment with SNAP, cells were disrupted adn total RNA was extracted. We commissioned following experiments to BIO MATRIX RESEARCH Inc. Nitric oxide-induced gene expression in S. cerevisiae was measured at 10, 30, or 60 minutes after exposure to 100 micro molar of nitric oxide donor SNAP.

2014-09-30 | E-GEOD-61836 | biostudies-arrayexpress

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