Unknown,Transcriptomics,Genomics,Proteomics

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Next Generation Sequencing and Quantitative Analysis of Wild Type and p110gamma-/- macrophages

ABSTRACT: Purpose: The goals of this study were to identify quantitative gene expression differences between macrophages derived from wild type and PI3Kgamma null macrophages Methods: mRNA profiles of MCSF, IL4 and IFNg/LPS stimulated macrophage wild-type (WT) and PI3Kinase gamma knockout (p110g-/-) mice were generated by single read deep sequencing, in triplicate, using Illumina HiSeq2000. The sequence reads that passed quality filters were aligned to mouse transcriptome using the bowtie2 aligner. Gene-level summaries were normalized and analyzed for differential expression using DESeq. qRT–PCR validation was performed using SYBR Green assays. Conclusions: Our study represents the first detailed analysis of the role of p110g in the control of the macrophage immune response, with biological replicates, generated by RNA-seq technology. mRNA profiles of wild type (WT) and p110g-/- macrophages were generated by deep sequencing, in triplicate, using Illumina HiSeq2000.

ORGANISM(S): Mus musculus

SUBMITTER: Roman Sasik 

PROVIDER: E-GEOD-58318 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

<h4>Unlabelled</h4>Pancreatic ductal adenocarcinoma (PDAC) is a devastating disease with a low 5-year survival rate, yet new immunotherapeutic modalities may offer hope for this and other intractable cancers. Here, we report that inhibitory targeting of PI3Kγ, a key macrophage lipid kinase, stimulates antitumor immune responses, leading to improved survival and responsiveness to standard-of-care chemotherapy in animal models of PDAC. PI3Kγ selectively drives immunosuppressive transcriptional pro  ...[more]

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