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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling by array of human dendritic cells co-cultured with carcinoma cells or treated with lipopolysaccharide

ABSTRACT: Human dendritic cells were co-cultured with carcinoma cells (A549 or SK-MES-1) or were treated with lipopolysaccharide (LPS).
There were three biological replicates of each condition plus untreated controls giving 12 samples and microarrays in total.
Samples were processed with standard Affymetrix IVT protocols and hybridised to Affymetrix Human Genome U133 GeneChips. Data were processed in Bioconductor using RMA.

ORGANISM(S): Homo sapiens

SUBMITTER: Donald Dunbar

PROVIDER: E-MEXP-1958 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Human dendritic cells produce TGF-beta 1 under the influence of lung carcinoma cells and prime the differentiation of CD4+CD25+Foxp3+ regulatory T cells.

Dumitriu Ingrid E IE Dunbar Donald R DR Howie Sarah E SE Sethi Tariq T Gregory Christopher D CD

Journal of immunology (Baltimore, Md. : 1950) 20090301 5

Dendritic cells (DCs) have a central role in the development of adaptive immune responses, including antitumor immunity. Factors present in the tumor milieu can alter the maturation of DCs and inhibit their capacity to activate T cells. Using gene expression analysis, we found that human DCs increased the expression of TGF-beta1 transcripts following culture with human lung carcinoma cells (LCCs). These DCs produced increased amounts of TGF-beta1 protein compared with DCs not exposed to tumor ce ...[more]

PMID: 19234174

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