82827bdc-4fea-4f53-b59a-57eb3629b30e - samples
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ABSTRACT:
PROVIDER: EGAD00001010064 | EGA |
REPOSITORIES: EGA
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Project description:The immune response plays a pivotal role in initiating cardiac repair and remodeling in both the acute and chronic phase after ST-Elevated myocardial infarction (STEMI). To dissect the longitudinal character of the immune response in STEMI patients over time, we performed single-cell RNA-sequencing (scRNA-seq) on a total of 95,995 peripheral blood mononuclear cells (PBMCs) collected from 38 STEMI patients at hospital admission, 24 hours (acute phase) and 6-8 weeks (chronic phase) after STEMI. Additionally, comparison to healthy controls was performed using previously generated scRNA-seq data on 33,878 PBMCs from 38 age- and sex-matched healthy controls from the Dutch population cohort Lifelines DEEP.
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Project description:We aimed to examine the differences in the gene expression profile in peripheral blood at hospital admission between patients with community-acquired pneumonia (CAP) who died and survived during hospitalization. Whole blood samples for genome expression profile analysis were obtained within 24 hours of hospital admission. Gen set enrichment analysis (GSEA) identified gene sets positively enriched in the patients who survived, mainly related with interferon- alpha response, apoptosis, and sex hormones pathways. Similarly, GSEA identified gene sets positively enrichment for the patients who died (oxidative stress, endoplasmic reticulum stress, oxidative phosphorylation, and angiogenesis pathways).
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Project description:Gene expression data from whole-blood collected from Kenyan children with Plasmodium falciparum malaria infection at acute hospital admission (n=15) and at convalescence (n=9). A clinical history design type is where the organisms clinical history of diagnosis, treatments, e.g. vaccinations, surgery etc. Disease State: with Plasmodium falciparum malaria infection at acute hospital admission and at convalescence
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Project description:In this study, we sought to broaden our understanding of circulatory monocyte functions captured during the acute (on hospital admission) and recovery (one-month follow-up) stages of patients diagnosed with community-acquired pneumonia (CAP).
2021-08-05 | GSE159474 | GEO
Project description:In this study, we sought to broaden our understanding of circulatory monocyte functions captured during the acute (on hospital admission; day0) and recovery (one month follow-up) stages of patients diagnosed with community-acquired pneumonia (CAP).
2021-08-05 | GSE160329 | GEO
Project description:Gene expression data from whole-blood collected from Kenyan children with Plasmodium falciparum malaria infection at acute hospital admission (n=15) and at convalescence (n=9). A clinical history design type is where the organisms clinical history of diagnosis, treatments, e.g. vaccinations, surgery etc. Disease State: with Plasmodium falciparum malaria infection at acute hospital admission and at convalescence clinical_history_design
2016-02-15 | E-GEOD-35860 | biostudies-arrayexpress
Project description:We carried out a prospective, longitudinal, single-center, observational cohort study of patients with confirmed acute methanol poisoning that were treated in hospitals during a mass methanol poisoning outbreak in the Czech Republic in 2012. Venous blood for proteomic analysis was obtained from 24 patients with confirmed acute methanol poisoning upon admission to the hospital (group M (“Methanol”)) with heparin administration for hemodialysis and ethanol or fomepizole administration as the antidote to block ADH. In the follow-up group of survivors of methanol poisoning (group S (“Survivors”)), venous blood samples for proteomic analysis were obtained from 46 patients during the examination, which took place 4 years after discharge from the hospital. For the control group not exposed to methanol, 24 healthy subjects were recruited (group C, “Controls”). Blood samples were spun, the serum was separated, and the samples were frozen to −80 °C until the analyses. Blood serum samples were depleted of most abundant serum proteins using Agilent MARS 14 column, samples fractionated and fractions containing proteins of interest precipitated. Samples were analyzed using LC-MS/MS Thermo Orbitrap Fusion (UHPLC-ESI-Q-OT-qIT) and identified proteins with differential expression.
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Project description:The presence and amount of the proteins within a plasma clot may influence clot properties, like susceptibility to fibrinolysis, however, the plasma clot proteome has not yet been extensively described. The aim of the study was to investigate the protein composition of clots prepared ex vivo from plasma of the peripheral blood of four patients with acute myocardial infarction (AMI) in two time points: in the acute ischemic phase and two months later during the standard therapy. Proteomic analysis revealed a total number of 62 proteins identified in all 8 samples grouping into several distinct functional clusters (e.g. cholesterol transporter activity, immunoglobulin binding and peptidase regulatory activity). The protein signatures of clots differed significantly depending on time after ACS, showing 30% greater variability in protein composition of the clots prepared in the plasma two months after the onset of AMI as compared to the clots generated at the time of admission to the hospital. Several proteins that could be involved in clot formation and resolution showed an interesting pattern of changes over time. For example α2-antiplasmin, which was robustly present in clots of all patients in acute phase of AMI, was detectable in lower abundance in only 2 clots prepared in plasma taken 8-12 weeks after AMI, whereas serotransferrin can be detected only in the clots prepared from plasma taken later during the therapy. In conclusion, we provided the first qualitative analysis of proteomes of fibrin clots generated ex vivo in plasma taken from patients with AMI showing differences in protein composition between clots generated in the acute ischemic phase and those prepared two months later. It might be hypothesized that differences involving several proteins of potential influence on within-clot fibrinolysis and clot stability may partially explain time-dependent changes in the clots structure and firmness in patients with AMI.
2016-12-08 | PXD001109 | Pride
Project description:Peripheral blood was collected from 87 patients with acute pancreatitis (AP) of varying severity (Mild=57, Moderately-Severe=20, Severe=10) within 24 hours of presentation to the hospital and from 32 healthy controls. RNA-Seq was performed to identify changes in expression in severe AP cf. mild, moderately-severe, and healthy controls.
2022-03-01 | GSE194331 | GEO
Project description:We performed longitudinal plasma proteomics analysis and determined absolute protein levels in a Canadian cohort (n=74) at admission day to hospital for acute COVID-19 and at 3 and 6 months after diagnosis of acute COVID-19. We measured plasma protein on a triple quadrupole mass spectrometer operated in multiple reaction monitoring mode and used internal standards to deduce protein absolute concentrations. We used a validated panel of 269 surrogate heavy labeled peptides. We also measured % predicted forced vital capacity (FVC, %) and diffusing capacity of the lungs for carbon monoxide (DLCO, %) by routine pulmonary function testing. We did functional enrichment and pathway analyses and determined proteins that were increased or decreased from hospital admission to 3-months and 6-months, compared females to males and determined associations of proteins with FVC% and DLCO%.
2024-01-26 | PXD041762 | Pride