Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Type I and II Interferon-Stimulated Genes in Murine Primary Bone Marrow Macrophages

ABSTRACT: We used microarrays to compare interferon-alpha (IFNa)- and interferon-gamma (IFNg)-stimulated genes under an equivalent biological input. The goal was to compare IFNa- and IFNg-stimulated genes, as well as to identify common and distinct sets of type I and II ISGs. Bone marrow macrophages derived from mouse bone marrow in M-CSF for 7 days. The cells were stimulated with 62U/mL IFNa and 1U/mL of IFNg for 2.5 hrs in culture. These concentrations induced equivalent STAT1 phosphorylation in BMMs.

ORGANISM(S): Mus musculus

SUBMITTER: Su-Yang Liu

PROVIDER: E-GEOD-35825 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Positive feedback regulation of type I IFN production by the IFN-inducible DNA sensor cGAS.

Ma Feng F Li Bing B Liu Su-yang SY Iyer Shankar S SS Yu Yongxin Y Wu Aiping A Cheng Genhong G

Journal of immunology (Baltimore, Md. : 1950) 20150121 4

Rapid and robust induction of type I IFN (IFN-I) is a critical event in host antiviral innate immune response. It has been well demonstrated that cyclic GMP-AMP (cGAMP) synthase (cGAS) plays an important role in sensing cytosolic DNA and triggering STING dependent signaling to induce IFN-I. However, it is largely unknown how cGAS itself is regulated during pathogen infection and IFN-I production. In this study, we show that pattern recognition receptor (PRR) ligands, including lipid A, LPS, poly ...[more]

PMID: 25609843

Publication: 1/2

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Project description:Interferon tau (IFNT), a Type I IFN similar to alpha IFNs (IFNA), is the pregnancy recognition signal, produced by the ruminant conceptus. To elucidate specific effects of bovine IFNT and of other conceptus-derived factors, endometrial gene expression changes during early pregnancy were compared to gene expression changes after intrauterine application of human IFNA2. In study one, endometrial tissue samples were obtained on days (D) 12, 15, and 18 post-mating from nonpregnant or pregnant heifers. In study two, heifers were treated from D14 to D16 of the estrous cycle with an intrauterine device releasing IFNA2 or placebo lipid extrudates or PBS only as controls. Endometrial biopsies were collected after flushing the uterus. All samples from both experiments were analyzed with an Affymetrix Bovine Genome Array. Study one revealed differential gene expression between pregnant and nonpregnant endometria on D15 and D18. In study two, IFNA2 treatment resulted in differential gene expression in the bovine endometrium. Comparison of the datasets from both studies identified genes that were differentially expressed in response to IFNA2 but not in response to pregnancy on D15 or D18. Vice versa, genes were found as differentially expressed during pregnancy but not after IFNA2 treatment. In study three, spatiotemporal alterations in expression of selected genes were determined in uteri from nonpregnant and early pregnant heifers using in situ hybridization. The findings of this study suggest differential effects of bovine IFNT compared to human IFNA2 and that some pregnancy-specific changes in the endometrium are elicited by conceptus-derived factors other than IFNT. Study I: Early pregnancy; day 12 of pregnancy (n=5 heifers), day 15 of pregnancy (n=3), day 18 of pregnancy (n=4), day 12 cyclic controls (n=5), day 15 cyclic controls (n=3), day 18 cyclic controls (n=4). Study II: Treatment with human interferon alpha (IFNA); IFNA treatment group (IFNA, n=3 heifers), placebo group (PLAC, n=3 heifers), control group (CONT, n=3 heifers).

Dataset Information

Type I and II Interferon-Stimulated Genes in Murine Primary Bone Marrow Macrophages

Publications

Positive feedback regulation of type I IFN production by the IFN-inducible DNA sensor cGAS.

Similar Datasets

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