Unknown,Transcriptomics,Genomics,Proteomics

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RNA-Seq of human dendritic cells from aspergillosis and asthma patients after challenge with Aspergillus fumigatus, SYBARIS project.

ABSTRACT: Aspergillosis covers a range of infections cause by Aspergillus species, and in many cases can be life threatening. Individuals with weakened immune systems are particularly at risk. Dendritic cells were derived from patients with allergic brochopulmonary aspergillosis (ABPA), chronic cavitary pulmonary aspergillosis (CCPA), and asthma, as well as from healthy donors. Each sample was split in two, and one sample from each pair was cultured with Aspergillus fumigatus. RNA-sequencing was used to assess transcriptional changes in the human cells in response to pathogen challenge. Many genes known to be important in immunity were found to exhibit differential expression after fungal challenge between healthy and diseased individuals, including chemokines and C-type lectins.

INSTRUMENT(S): Illumina HiSeq 2000

ORGANISM(S): Homo sapiens + Aspergillus fumigatus

SUBMITTER: Paul Bowyer

PROVIDER: E-SYBR-3 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:The goal of this project is to understand the etiology and pathology of host-pathogen interaction using high-throughput cellular phenotyping. By combining the expertise in pathogen biology, informatics and stem cell biology across the institute, this project will use targeted genetic modification in mouse embryonic stem cells to identify functions of host genes in innate immunity. We will also explore the biology of mouse embryonic stem cells and their differentiation into immune competent cells. To this end we will generate homozygous and inducible knockout lines in mouse embryonic stem cells, which will be differentiated into immune competent cells, such as macrophages or dendritic cells. These will be subjected to a panel of immune challenge and stimulation assays to characterise the functions of the disrupted genes. To identify new functions for mammalian genes in innate immunity we will:\Generate a panel of homozygous inducible gene knockout mouse ES cell lines working from a list of ca. 80 candidate genes (MGP phenotyping and GWAS hits). \Scale up differentiation protocols for immune challenge and stimulation assays.\Benchmark in vitro differentiated ES cell models against primary immune cells from selected MGP mouse lines and eventually against human iPS cells.\Screen a panel of 30 genetically modified cell lines in immunological challenge and stimulation assays, defining phenotypes at the cellular level by high content imaging, biochemically by assaying cytokine production, and at the molecular level by transcriptome analysis.\Define novel gene functions in innate immunity through network analysis of gene expression data from all challenged cell lines.\In the longer term scale up the production and phenotyping of genetically modified cell lines (mouse or human as appropriate).This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/

Dataset Information

RNA-Seq of human dendritic cells from aspergillosis and asthma patients after challenge with Aspergillus fumigatus, SYBARIS project.

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