Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1172545 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR30985727_1.fastq.gz | Fastqsanger.gz | |||
| SRR30985727_2.fastq.gz | Fastqsanger.gz | |||
| SRR30985728_1.fastq.gz | Fastqsanger.gz | |||
| SRR30985728_2.fastq.gz | Fastqsanger.gz | |||
| SRR30985729_1.fastq.gz | Fastqsanger.gz |
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Project description:The ubiquitin E3 ligase SCFFBXO24 targets key proteins for degradation that regulate important biological processes, but the mechanisms controlling cellular concentrations of its receptor subunit, F-box only protein 24 (FBXO24), remain unknown. Here, Haemophilus influenzae type B (HiB), an important cause of pneumonia, protects FBXO24 from lysosomal degradation in THP-1 macrophage cells by reducing its ubiquitylation levels. We identified that the ubiquitin-specific peptidase 4 (USP4) mediates FBXO24 deubiquitylation and stabilization in response to HiB infection in a TLR4 receptor-dependent manner. In experimental HiB pneumonia, either nanoparticle delivery of encapsulated USP4 siRNA or targeted genetic disruption of Fbxo24 in mice led to increased alveolar mononuclear cells coupled with reduced bacterial loads, attenuated pulmonary edema and decreased lung injury severity compared to control mice. Collectively, these findings are the first demonstrating ability of a bacterial pathogen to exploit a deubiquitylation mechanism to preserve cellular levels of an E3 ligase component, thereby impairing innate host defense responses.
2026-08-14 | PXD077990 | Pride
Project description:Gene expression signatures for Hib conjugate vaccine
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Project description:To development of our gene expression, we have employed whole rhesus monkey genome microarray expression profiling as a discovery platform to identify genes with the potential to induce immune response. The peripheral blood from rhesus macaques, who were immunized in groups of three with the capsular polysaccharide (CPS antigen), carrier protein tetanus toxoid (TT) or conjugate vaccine via intramuscular injection (i.m.) in the anterolateral thigh on days 0, 30 and 60 using the formulations, were obtained on days 0, 30, 60 and 90. PBMCs were collected for microarray assays. Dynamic expression variations of eight genes (KLRC1, LGALS13, LTB4DH, NUAK1, VNN2, GALNT3, LOC710050 and LOC716305) were maintained in Hib conjugate vaccine group throughout experiment comparing with the CPS antigen group and carrier protein TT group.
2016-11-24 | GSE90481 | GEO
Project description:[1] Microarray analysis in the rat myocardial tissue: 124I-HIB transplanted MI model Vs. phosphate buffered saline (PBS) injected myocardial infarction (MI) model Vs. Sham operated model [2] Microarray analysis in the rat adipose derived stem cells: 124I-HIB-labeled ADSCs Vs. Unlabeled ADSCs [1] We investigated the change of gene expression profile in sham operated-, PBS injected- and 124I-HIB-labeled ADSCs transplanted myocardium in rat myocaridial infarction (MI) model. [2] We compared gene expression profile with 124I-HIB labeled ADSCs and unlabeled ADSCs in vitro.
2015-01-06 | E-GEOD-64692 | biostudies-arrayexpress
Project description:While dendritic cells (DCs) are known to play a major role in the process of vaccination, the mechanisms by which vaccines induce protective immunity in humans remain elusive. Herein, we used gene microarrays to characterize the transcriptional programs induced over time in human monocyte-derived DCs (moDCs) in vitro in response to influenza H1N1 Brisbane, Salmonella enterica and Staphylococcus aureus. We built a data-driven modular analytical framework focused on 204 pathogen-induced gene clusters. The expression of these modules was analyzed in response to 16 well-defined ligands, targeting TLRs, cytoplasmic PAMP receptors and cytokine receptors. This multi-dimensional framework covers the major biological functions of APC, including the IFN response, inflammation, DC maturation, T cell activation, antigen processing, cell motility and histone regulation. This framework was used to characterize the response of monocytes and moDCs to 14 commercially available vaccines. These vaccines displayed quantitatively and qualitatively distinct modular signatures in monocytes and DCs, in particular Fluzone and Pneumovax, highlighting the functional and phenotypic differences between APC subsets. This modular framework allows the application of systems immunology approaches to study early transcriptional changes in human APC subsets in response to pathogens and vaccines, which might guide the development of improved vaccines. 64 samples of IL4 DC, and 64 samples of monocytes stimulated by media (controls, designated 1 and 2 to indicate biological replicates), Menomune (Neisseiria meningitis vaccine, MGL), Fluzone 09-10 (Influenza vaccine, FZ), Havrix (Hepatitis A vaccine, HEPA), Ixiaro (Japanese encephalitis vaccine, JPE), ActHib (Haemophilus influenza vaccine, HIB) and Pneumovax (Pneumococcus vaccine, PVX), Engerix-B (Hepatitis B vaccine, HEPB), Zostavax (Herpes Zoster vaccine, HER), and Gardasil (Human Papilloma virus vaccine, HPV), LPS, Ipol (Polio vaccine, POL), Rabies vaccine (RAB), toxoid-based vaccine (TDAP), Varivax (Varicella vaccine, VAR)
2014-10-22 | E-GEOD-44721 | biostudies-arrayexpress
Project description:[1] Microarray analysis in the rat myocardial tissue: 124I-HIB transplanted MI model Vs. phosphate buffered saline (PBS) injected myocardial infarction (MI) model Vs. Sham operated model [2] Microarray analysis in the rat adipose derived stem cells: 124I-HIB-labeled ADSCs Vs. Unlabeled ADSCs
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Project description:The purpose of the present study was to investigate the impact of heat stress for increasing imipenem susceptibility in imipenem resistant nontypeable Haemophilus influenzae (NTHi).
2019-01-15 | E-MTAB-6237 | biostudies-arrayexpress
Project description:To determine the impact of Raptor S791 phosprylation on borwn adipocyte function and metabolism, we previously established HIB-1B brown adipocyte models that stably expresses a wide-type (WT) RAPTOR or a Ser to Asp (S791D) phosphorylation-mimetic RAPTOR mutation (Liu et al., JCI, 2016). In this study we performed RNA-seq experiment to determine the trasncriptomic changes between the WT and S791D brown adipocytes.
2026-07-31 | GSE272609 | GEO
Project description:Background: Haemophilus influenzae has an absolute aerobic growth requirement for heme and has developed multiple complex mechanisms to obtain this essential nutrient. Although an understanding of the heme acquisition mechanisms of H. influenzae is emerging, significant gaps remain to be elucidated. In a previous study we utilized H. influenzae strain Rd KW20 to demonstrate the utility of transcriptional profiling in defining the genes exhibiting altered transcription in response to environmental iron and heme levels. The current study expands upon those initial observations by determining the iron/heme regulons of two additional H. influenzae clinical isolates, i.e. the type b isolate 10810 and the nontypeable isolate R2866, to characterize the core iron/heme regulon of the species. Results: A microarray chip was designed to incorporate probes for all of the genes of H. influenzae isolates 10810 and R2866, and microarray studies were performed to compare gene expression under iron/heme-replete and iron/heme-restricted conditions for each isolate. Of 1820 ORFs on the array corresponding to R2866 genes, 363 were significantly differentially expressed. Of these 363 genes, 233 were maximally transcribed under iron/heme-replete conditions and 130 were preferentially transcribed in iron/heme-restricted conditions. Of the 1883 ORFs representing genes of strain10810, 351 were significantly differentially transcribed, 150 of these were preferentially transcribed in iron/heme-replete conditions and 201 were preferentially transcribed in iron/heme-restricted conditions. Comparison of the data sets indicated that 163 genes were similarly regulated in both isolates and that 74 of these also exhibited similar patterns of regulation in strain Rd KW20. Conclusion: This study provides evidence for a core of H. influenzae genes that are regulated by the availability of iron and/or heme in the growth environment. Elucidation of this core regulon provides targets for investigation of genes with an unrecognized role in iron and heme homeostasis, as well as other potential virulence determinants. In addition, the set of core genes potentially provides targets for therapeutic and vaccine designs since these products of these genes are likely to be preferentially expressed during growth in iron/heme restricted sites of the human body. This SuperSeries is composed of the following subset Series: GSE11349: Transcriptional profiling of FeHm effects on Haemophilus influenzae R2866 GSE11354: Transcriptional profiling of FeHm effects on Haemophilus influenzae 10810 Keywords: SuperSeries Refer to individual Series
2009-01-20 | E-GEOD-11362 | biostudies-arrayexpress