Unknown,Transcriptomics,Genomics,Proteomics

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Wild type and ATG5-KO mouse dendritic cells exposed to interleukin-4 (IL4) and/or lipopolisaccharyde (LPS)

ABSTRACT: Male C57BL/6 normal and ATG5-KO mouse dendritic cells exposed to interleukin-4 (IL4) and/or lipopolisaccharyde (LPS) 24 samples representing the different biological combinations between wild type and ko cells exposed to IL4 and LPS (three replicates for each)

ORGANISM(S): Mus musculus

SUBMITTER: Philippe Pierre

PROVIDER: E-GEOD-56929 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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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)

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Wild type and ATG5-KO mouse dendritic cells exposed to interleukin-4 (IL4) and/or lipopolisaccharyde (LPS)

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