Whole blood transcriptome analysis of Septic shock and Cardiogenic shock patients over one week of ICU stay
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE131411 | GEO | 2020/01/08
REPOSITORIES: GEO
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Project description:The number of organ failures at intensive care unit (ICU) admission is the main prognostic factor in septic shock. The aim was to assess classical clinico-biological parameters evaluating organ dysfunctions at ICU admission, combined with proteomics analysis, on day-30 mortality in critically ill onco-hematology patients admitted to the ICU for septic shock.
2018-08-22 | PXD004001 | Pride
Project description:Background: The aim of this study is to improve our understanding of the mechanisms underlying the function of corticosteriods in the limb muscles of ICU patients with acute quadriplegic myopathy (AQM) by using a unique porcine ICU model, i.e., 5-day longitudinal experiments where animals are sedated, mechanically ventilated and exposed to factor triggering AQM that is hydrocortisone. Results: An increased expression of genes involved in kinase activity, cell cycle regulation and transcriptional regulation. A decreased expression in genes regulating heat shock proteins, cytoskeletal & sarcomeric and oxidative stress response were also apparent. Therefore, it appears that CS has an additive deleterious role in acute quadriplegic myopathywere also apparent. Conclusions: CS induced molecular mechanisms involving kinase activity and heat shock protein genes were forwarded as probable mechanisms underlying the decreased force generating capacity.
2012-04-12 | GSE37166 | GEO
Project description:Affymetrix microarray (GeneChip microRNA 4.0) profilling of circulating miRNAs. We used miRNA arrays to profile miRNAs isolated from plasma of ST-segment elevation acute myocardial infarction (STEMI)-patients with cardiogenic shock (CS) or without cariogenic shock (Non-CS)
2024-03-26 | GSE254068 | GEO
Project description:Whole blood transcriptome analysis of Septic shock and Cardiogenic shock patients over one week of ICU stay
| PRJNA543497 | ENA
Project description:Cardiogenic shock (CS) is associated with high short-term mortality and a precise CS risk stratification could guide interventions to improve patient outcome. We used mass spectrometry based proteomics to first to a discovery approach to select some biomarker canduidates and then verify them by targeted mass spectrometry (PRM). A 4-protein risk score (CS4P) was derived and validated for 90-day risk of mortality. The CS4P risk score which comprises proteins Liver-fatty acid-binding protein (L-FABP), Beta-2-microglobulin (B2MG), Fructose-bisphosphate aldolase B (ALDOB), and SerpinG1 (IC1), identified short-term mortality risk with a C-statistic of 0.83 (95% CI 0.74–0.89).
2020-11-16 | PXD011614 | Pride
Project description:Individuals infected with SARS-CoV-2 vary greatly in their symptomatology and disease progression, likely as a result of numerous genetic, biological and environmental factors and their complex interactions. Meanwhile, the potential roles of microRNAs (miRNAs) in SARS-CoV-2 infection have not been fully described. MiRNAs have emerged as key post-transcriptional regulators of gene expression, and their dysregulation can be indicative of aberrant immune function. In this study, we characterize the potential roles of mIRNAs in early COVID-19 disease progression. We studied a diverse cohort of 259 patients admitted to hospitals in Abu Dhabi, United Arab Emirates to understand the clinical and biological factors associated with ICU admission during COVID-19 treatment, integrating electronic health records (EHR), global miRNA and RNA expression, and genotyping data. Using EHR, we identified 26 factors correlated with ICU admission, including 8 blood phenotypes such as neutrophil-to-lymphocyte ratio, Interleukin-6, and C-reactive protein levels. Using genome-wide miRNA expression data for a subset of 96 individuals from Southeast Asia and the Middle East and North Africa, we identified 27 miRNAs significantly associated with ICU admission (p < 0.01), and 97 miRNAs associated with at least one of the 8 blood phenotypes. [cross-cor] Integrating expression data for 632 miRNAs and genotyping data for ~260,000 SNPs, we identified 168 significant cis-expression quantitative trait loci (cis-eQTLs), of which 59 were associated with either ICU admission or one of the 8 blood phentoypes. Overall, our findings characterize the miRNA architecture of blood phenotypes during the early stages of COVID-19 infection, identify miRNAs associated with ICU admission and therefore COVID-19 disease severity, and suggest a potential genetic control of miRNA expression during early COVID-19 disease progression.
2023-06-14 | GSE220077 | GEO
Project description:Individuals infected with SARS-CoV-2 vary greatly in their symptomatology and disease progression, likely as a result of numerous genetic, biological and environmental factors and their complex interactions. Meanwhile, the potential roles of microRNAs (miRNAs) in SARS-CoV-2 infection have not been fully described. MiRNAs have emerged as key post-transcriptional regulators of gene expression, and their dysregulation can be indicative of aberrant immune function. In this study, we characterize the potential roles of mIRNAs in early COVID-19 disease progression. We studied a diverse cohort of 259 patients admitted to hospitals in Abu Dhabi, United Arab Emirates to understand the clinical and biological factors associated with ICU admission during COVID-19 treatment, integrating electronic health records (EHR), global miRNA and RNA expression, and genotyping data. Using EHR, we identified 26 factors correlated with ICU admission, including 8 blood phenotypes such as neutrophil-to-lymphocyte ratio, Interleukin-6, and C-reactive protein levels. Using genome-wide miRNA expression data for a subset of 96 individuals from Southeast Asia and the Middle East and North Africa, we identified 27 miRNAs significantly associated with ICU admission (p < 0.01), and 97 miRNAs associated with at least one of the 8 blood phenotypes. [cross-cor] Integrating expression data for 632 miRNAs and genotyping data for ~260,000 SNPs, we identified 168 significant cis-expression quantitative trait loci (cis-eQTLs), of which 59 were associated with either ICU admission or one of the 8 blood phentoypes. Overall, our findings characterize the miRNA architecture of blood phenotypes during the early stages of COVID-19 infection, identify miRNAs associated with ICU admission and therefore COVID-19 disease severity, and suggest a potential genetic control of miRNA expression during early COVID-19 disease progression.
2023-06-14 | GSE220076 | GEO
Project description:Septic shock is the most severe complication of sepsis, associated with high mortality. The patient’s response to supportive therapy is very heterogeneous and the underlying mechanisms are still elusive. In order to identify which are the actors (genes and pathways) that play a role in establishing the response, we investigate the whole blood transcriptome in septic shock patients with positive and negative responses to early supportive hemodynamic therapy, assessed by changes in SOFA scores within the first 48 hours from ICU admission. We pinpointed genes and pathways that are differently modulated and enriched respectively within 48hrs between responders and non-responders.
2018-12-03 | GSE110487 | GEO
Project description:Cardiogenic shock (CS) alters whole body metabolism and circulating biomarkers serve as prognostic markers in CS patients. Percutaneous ventricular assist devices (pVADs) unload the left ventricle by actively ejecting blood into the aorta. The goal of the present study was to identify alterations in circulating metabolites and transcripts in a large animal model that might serve as potential prognostic biomarkers in acute CS and additional left ventricular unloading by Impella® pVAD support. Methods: CS was induced in a preclinical large animal model by injecting microspheres into the left coronary artery system in six pigs. After the induction of CS, mechanical pVAD support was implemented for 30 minutes total. Serum samples were collected under basal conditions, after the onset of CS, and following additional pVAD unloading. Circulating metabolites were determined by metabolomic analysis, circulating RNA entities by RNA sequencing. Results: CS and additional pVAD support alter the abundance of circulating metabolites involved in Aminoacyl-tRNA biosynthesis and amino acid metabolism. RNA sequencing revealed decreased abundance of the hypoxia sensitive miRNA-200b following the induction of CS, which was reversed following pVAD support. Conclusions: The hypoxamir miRNA-200b is a potential circulating marker that is repressed in CS and is restored following pVAD support. The early transcriptional response with increased miRNA-200b expression following only 30 minutes of pVAD support suggests that mechanical unloading alters whole body metabolism. Future studies are required to delineate the impact of serum miRNA-200b levels as a prognostic marker in patients with acute CS and pVAD unloading.
2022-06-15 | GSE199090 | GEO
Project description:Background: The aim of this study is to improve our understanding of the mechanisms underlying the function of corticosteriods in the limb muscles of ICU patients with acute quadriplegic myopathy (AQM) by using a unique porcine ICU model, i.e., 5-day longitudinal experiments where animals are sedated, mechanically ventilated and exposed to factor triggering AQM that is hydrocortisone. Results: An increased expression of genes involved in kinase activity, cell cycle regulation and transcriptional regulation. A decreased expression in genes regulating heat shock proteins, cytoskeletal & sarcomeric and oxidative stress response were also apparent. Therefore, it appears that CS has an additive deleterious role in acute quadriplegic myopathywere also apparent. Conclusions: CS induced molecular mechanisms involving kinase activity and heat shock protein genes were forwarded as probable mechanisms underlying the decreased force generating capacity. Eight female domestic piglets (Sus scrofa, average body weight 26.4 kg) were used in this study. Piglets were immobilized by anesthesia and mechanically ventilated via a tracheotomy for a period of five days. During this study period, the animals were sedated using isoflurane inhalation (Abbott Laboratories, Chicago, Il, USA, 0.8 - 1.3% end-tidal concentration) supplemented by intravenous bolus doses of morphine and ketamine as needed. Core body temperature (blood) was maintained in the range of 38.5 - 40M-BM-0C by a servo controlled heating pad. The animals received intravenous crystalloid fluid (Ringeracetat) to maintain stable blood pressure and urinary output and a glucose infusion (Rehydrex, Fresenius Kabi, Stockholm, Sweden, 25 mg glucose /mL) in the range of 0.5 - 1.5 mg/kg/minute to decrease the effects of catabolism. Each animal received prophylactic streptomycin 750 mg/d and bensylpenicillin 600 mg/d (Streptocillin Vet, Boeringer-Ingelheim, Hellerup, Denmark). Arterial blood gas analysis as well as electrolytes and blood glucose levels were monitored regularly and kept in the normal range throughout the study period. A neuromuscular blocking agent (NMBA) was administered as a continuous infusion of pancuronium bromide 0.1mg/kg/h (Pavolun; Organon, Boxtel, The Netherlands) for 5days while a corticosteroid (CS) was given as bolus doses of hydrocortisone. Keywords: Treatment, immobilization, muscle function.
2012-04-11 | E-GEOD-37166 | biostudies-arrayexpress