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Homo sapiens

ABSTRACT: Healthy donor PBMC RNA-seq with or without interferon-alpha stimulation

OTHER RELATED OMICS DATASETS IN: GSE72420

PROVIDER: PRJNA294173 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2192720_1.fastq.gz	Fastqsanger.gz
	SRR2192720_2.fastq.gz	Fastqsanger.gz
	SRR2192721_1.fastq.gz	Fastqsanger.gz
	SRR2192721_2.fastq.gz	Fastqsanger.gz
	SRR2192716_1.fastq.gz	Fastqsanger.gz

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IFN alpha-induced gene expression in human NK cells

Project description:NK cells are believed to contribute to the control of hepatitis C virus infection and pathogenesis of liver disease. Standard treatment of both acute and chronic hepatitis C is based on the administration of interferon alpha, however, the effects of type I interferons on human NK cells have not been studied in the context of hepatitis C. We therefore first performed a microarray screen for genes differentially regulated in human NK cells after stimulation of PBMC with recombinant interferon alpha-2b. One of the genes upregulated was TRAIL which was confirmed in vitro on the protein level. Keywords: Interferon alpha; human NK cells; stimulation for 6 hours; cells sorted after stimulation of whole PBMC NK cells of PBMC of five healthy controls have been either isolated directly or after culturing for 6h in media containing 10% human AB serum supplemented with 1 and 100 ng/ml recombinant IFNa-2b. RNA of NK cells of the healthy controls was isolated and RNA was pooled for the hybridization.

2010-08-18 | E-GEOD-15743 | biostudies-arrayexpress

IFN alpha-induced gene expression in human NK cells

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Expression profiling of IL-13 stimulated PBMCs with and without an IL-13R antagonist

Project description:This experiment aims to identify the biological pathways and diseases associated with the cytokine Interleukin 13 (IL-13) using gene expression measured in peripheral blood mononuclear cells (PBMCs). The experiment comprised of samples obtained from 3 healthy donors. The expression profiles of in vitro IL-13 stimulation were generated using RNA-seq technology for 3 PBMC samples at 24 hours. The transcriptional profiles of PBMCs without IL-13 stimulation were also generated to be used as controls. An IL-13R-alpha antagonist (Redpath et al. Biochemical Journal, 2013) was introduced into IL-13 stimulated PBMCs and the gene expression levels after 24h were profiled to examine the neutralization of IL-13 signaling by the antagonist.

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RNAseq of TLR agonist and SLE Immune complex stimulated SLE patient PBMCs with and without depletion of pDCs with CSL362

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Gene expression profiles of human CD8+ T cells: IL-12 and IFN-a polarized in vitro stimulated and ex vivo sorted CCR7hi and CXCR3hi populations

Project description:CD8+ cytotoxic T lymphocytes (CTLs) play a major role in defense against intracellular pathogens, and their functions are specified by antigen recognition and innate cytokines. While effector CTLs eliminate the infection, a small population of memory cells are retained that yields more rapid and robust response upon re-infection. Antigen presenting cells secrete an array of innate cytokines including IL-12 and IFN-α after recognition of pathogens. Both IL-12 and IFN-α have been shown to act as the third signal regulating the development of CTLs. We have shown that these two cytokines have a non-redundant effect in generation of human effector CTL. IL-12 alone is sufficient for effector CTL genesis marked by IFN-γ and TNF-α production, as well as increased cytolytic activity. Even in the presence of IFN-α, IL-12 programs CTLs that express the chemokine receptor CXCR3 and effector cytokines. Using microarray analysis we have investigated how IL-12 and IFN-α differentially regulate the genetic programming pathways that give rise to effector CTLs among multiple human donors. We have also analyzed the gene expression patterns of cells sorted from healthy human peripheral blood that display surface markers of effector memory CTL (designated as ex vivo) samples. 5 healthy human donor samples were used for the in vitro cultures. For each donor the CFSE labeled cells (CD8+CD45RA+) were cultured in the presence of neutralized, IL-12, IFN-a, and IL-12+IFN-a conditions and plate-bound anti-CD3+anti-CD28 for 3.5 days. Total RNA from CFSEhi (Undiv) and CFSElo (Div) sorted cells were used for Illumina Bead Array. 4 healthy human donor samples were used for the ex vivo samples. Total RNA was collected from FACS sorted CD8+CCR7hiCXCR3lo and CD8+CCR7loCXCR3hi cells without any stimulation.

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