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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling by microarray of mouse B16F10 cells transduced with cDNAs encoding eGFP control, p19Arf, murine interferon-beta (IF-B) or the combination of p19Arf plus IF-B to study the modulated genes

ABSTRACT: Taking the advantage that B16F10 cells retain the wild-type p53, we introduced the p53 partner into these cells, the p19Arf. Also, in order to induce a immune stimulation in experiments *in vivo*, we introduced the interferon-beta cDNA. This combination induced several benefits when compared to the use of these factors alone, as seen by propidium iodide staining, tunel staining, several gene expression analysis, tumor growth, mice survival, among others. Because of this, we had the interest to study the effects of the combination of p19Arf plus interferon-beta upon gene regulation of B16F10 cells, compared to the effects of these transgenes alone. Previous works from our group that show several benefits of p19Arf plus interferon-beta combination upon B16F10 cells are described in Merkel et al (2010) doi: 10.1186/1471-2407-10-316, Merkel et al (2013) doi:10.1038/cgt.2013.23 and Medrano et al (2016) doi: 10.1007/s00262-016-1807-8 .

ORGANISM(S): Mus musculus

SUBMITTER: Aline Hunger

PROVIDER: E-MTAB-5399 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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E-MTAB-5399

Project description:Transcription profiling by microarray of mouse B16F10 cells transduced with cDNAs encoding eGFP control, p19Arf, murine interferon-beta (IF-B) or the combination of p19Arf plus IF-B to study the modulated genes

2017-02-09 | E-MTAB-5399 | ExpressionAtlas

Expression data from Adipose Stem Cells (ASC) from morbidly obese and non-obese individuals

Project description:The adipose tissue is an endocrine regulator and a risk factor for atherosclerosis and cardiovascular disease when by excessive accumulation induces obesity. Although the adipose tissue is also a reservoir for stem cells (ASC) their function and “stemcellness” has been questioned. Our aim was to investigate the mechanisms by which obesity affects subcutaneous white adipose tissue (WAT) stem cells. We used microarrays to analyze differences in transcriptomic profiles between the adipose stem cells from morbidly obese and non-obese individuals. Subcutaneous white adipose tissues that were obtained during bariatric surgery (Obese) or liposuction (Lean) were donated by patients after obtaining informed consent. Three cases with BMI>40 kg/m2 (ASCmo) and three controls with BMI<25 kg/m2 (ASCn) were selected and processed extracting total RNA, processing and hybridizating on microarrays.

2013-09-17 | E-GEOD-48964 | biostudies-arrayexpress

Interferon-induced degradation of the hepatitis B virus persistence form, cccDNA, depends on ISG20

Project description:Hepatitis B virus (HBV) persists by depositing a covalently closed circular DNA (cccDNA) in the nucleus of infected cells that cannot be targeted by available antivirals. Cytokine treatments can diminish HBV cccDNA via APOBEC3-mediated deamination. Here we show that overexpression of APOBEC3A alone, however, was not sufficient to reduce cccDNA in HBV-infected cells. This required addition of interferon indicating that cccDNA degradation requires an additional, interferon-stimulated gene (ISG). Transcriptome analyses identified ISG20 as the only type I and II interferon-induced, nucleus-resident protein with annotated nuclease activity. ISG20 expression was detected in human livers in acute, self-limiting but not in chronic hepatitis B. ISG20 depletion abolished the interferon-induced loss of cccDNA, and co-expression of ISG20 and APOBEC3A was sufficient to diminish cccDNA. In conclusion, non-cytolytic HBV cccDNA decline requires induction of a deaminase and nuclease. Our findings highlight that ISGs cooperate for their antiviral function and this cooperativity may be explored for therapeutic targeting.

2021-04-22 | PXD019285 | Pride

Expression data from LLC-1 tumors extracted from C57Bl/6 mice following gene transfer of p19Arf and IFN-beta

Project description:Gene transfer of both p19Arf and IFN-beta induces increased immunoprotection in mice after intratumoral application Here we performed a microarray analysis to understand this process

2016-06-07 | GSE82306 | GEO

Gene-profile comparison of wt and Ifnb–/– cerebellar granular neurons

Project description:Interferon-b (IFN-b) belongs to the type I interferon family of cytokines and via binding to its receptor, interferon-a/b-receptor (IFNAR), it exerts immunoregulatory effects such as anti-viral and anti-inflammatory properties, and clinical benefits for patients with the CNS disease multiple sclerosis. To compare differentially regulated genes in neurons of interferon-beta knock out mice (Ifnb–/–), we conducted a microarray analysis on cerebellar granular neurons (CGNs) from wt (Ifnb+/+) and Ifnb-/- mice with or without treatment with recombinant IFN-b.

2015-10-08 | GSE63815 | GEO

Merkel cell polyomavirus small tumor antigen contributes to immune evasion by interfering with type I interferon signaling [ChIP-Seq]

Project description:Merkel cell polyomavirus (MCPyV) is linked to Merkel cell carcinoma (MCC), a rare and aggressive skin cancer. This study investigated the influence of MCPyV T antigens on the host genome using transcriptomics and epigenomics. Results revealed a role for the small Tumor (sT) antigen in subverting type I interferon response and immune evasion, contributing to persistent infection and tumor progression. These findings enhance our understanding of MCPyV pathogenesis and may inform new therapeutic strategies.

2024-04-04 | GSE230758 | GEO

Merkel cell polyomavirus small tumor antigen contributes to immune evasion by interfering with type I interferon signaling [RNA-Seq]

2024-04-04 | GSE229019 | GEO

Comparative Transcriptional Profiling of human Merkel cells and Merkel Cell Carcinoma

Project description:Merkel cell carcinoma is supposed to be derived from Merkel cells after infection by Merkel cell polyomavirus (MCV) and other poorly known events. A transcriptional profiling with cDNA microarrays was performed on cells from MCV+ Merkel cell carcinomas and isolated normal Merkel cells. This microarray revealed numerous significantly upregulated genes and down-regulated genes. The extensive list of genes identified in these experiments provides a large body of potentially valuable information of Merkel cell carcinoma carcinogenesis and could represent a source of potential targets for cancer therapy. Two-conditions experiment, MCV vs Normal Merkel Cell. Biological replicates : 4 MCV (Cy5), 1 control = pool of Normal Merkel cells from 3 liftings

2014-01-01 | E-GEOD-50434 | biostudies-arrayexpress

Interferon-Beta Gene Transfer (Ad.hIFN-β) as Treatment for Refractory Colorectal Carcinoma With Liver Metastases

Project description:This study will be conducted in subjects with refractory colorectal carcinoma with unresectable liver metastases. The purposes of the study are: * to evaluate the safety and any harmful effects of an intravenous injection of Ad.hIFN-β; * help determine whether the virus carrying the interferon-beta gene will enter the bloodstream and liver tumor cells and cause the cancer cells to die.

| 2012584 | ecrin-mdr-crc

EP400 is required for Max and MCPyV mediated gene activation

Project description:To determine if EP400 knockdown would affect Max target genes in Merkel cell carcinoma cell line MKL-1, we performed RNA-seq analyses of MKL-1 cells inducibly expressing EP400 shRNA and compared to ChIP-seq data using BETA analyses.

2017-09-28 | GSE69876 | GEO

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