Transcriptomic Analysis of Mouse Liver Reveals a Novel Hepato-enteric Pathogenic Mechanism in Acute Toxoplasma gondii Infection
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Specimen part, Cell line
View SamplesRelative expression levels of mRNAs in chicken cecal epithelia experimentally infected with Eimeria tenella were measured at 4.5 days post-infection. Two weeks old chickens were uninfected (negative control) or were orally inoculated with sporulated oocysts of Eimeria tenella. Cecal epithelia samples were collected from >12 birds in infected or uninfected group at 4.5 d following infections, in which samples from 4 birds were pooled together to form a total 3 biological replicates in each group. Parasite merozoites were also collected from four infected chickens at 5 d after infections. Uninfected control samples, merozoites and infection group samples were selected for RNA extraction and hybridization on Affymetrix microarrays.
Transcriptome analysis in chicken cecal epithelia upon infection by Eimeria tenella in vivo.
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View SamplesEctromelia virus (ECTV) has emerged as a valuable model for investigating the host-orthopoxvirus relationship as it relates to pathogenesis and the immune response. We analyzed the transcriptional signatures of BALB/3T3 cells at different times after infection with Ectromelia virus. Mouse Genome 430 2.0 arrays were used to analyze global changes in gene transcripts to generate a pool of genes that was a fold change cut-off of 1.5 or 0.5 in infected samples versus non-infected samples.
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Specimen part, Cell line, Time
View SamplesEctromelia virus (ECTV) has emerged as a valuable model for investigating the host-orthopoxvirus relationship as it relates to pathogenesis and the immune response. ECTV causes mousepox in most strains of mice, including BALB/c and DBA/2, and these are therefore classified as susceptible mice. Conversely, C57BL/6 and certain 129 strains display limited pathology and a very low mortality, and are thus classified as resistant. To understand the host genetic factors of different mouse strains in response to ECTV infection, we carried out a microarray analysis using Affymetrix Gene-Chip Mouse Genome Arrays of spleen tissues from BALB/c and C57BL/6 mice at 3 and 10 days post-ECTV infection.
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Sex, Specimen part, Time
View Samplesbri1-5 is a weak mutant of Brassinosteroid Insensitive 1 (BRI1). Suppressors by activation tagging bri1-1D, brs1-1D and bak1-1D can recover bri1-5 phenotype. We use microarray to investigate which pathways or functional categories have been transcriptionally regulated by bri1-1D, brs1-1D and bak1-1D.
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Specimen part
View SamplesTo understand the roles of DNA methylation and histone deacetylation in plant gene network that controls plant tolerance to freezing treatment, we used Affymetrix GeneChips ATH-121501 to analysis.
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View SamplesInvestigating the local vaccine-induced immune response in small intestinal tissue after vaccination and infection with Cooperia oncophora.
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Sex, Age, Specimen part, Treatment
View SamplesGlobal gene experssion study of the HAEC transcriptional response to artificial chlyomicron remnant-like particles (A-CRLPs) prepared with triglycerides extracted from four natural dietary oils: fish, DHASCO, corn and palm oils. We hypothesised that A-CRLPs could differentially regulate HAEC gene expression according to thier triglyceride content. These data provide an important starting point for investigations into the effects of A-CRLPs on endothelial cells, particulary genes involved in redox balance and inflammatory processes.
Endothelial HO-1 induction by model TG-rich lipoproteins is regulated through a NOX4-Nrf2 pathway.
Specimen part
View SamplesInfection with non-cytopathic bovine viral diarrhea virus (ncpBVDV) is associated with uterine disease and infertility. This study investigated the influence of ncpBVDV on immune functions of the bovine endometrium by testing the response to bacterial lipopolysaccharide (LPS) at the level of whole-transcriptomic gene expression. Analysis showed that approximately 30% of the 1,006 genes altered by LPS are involved in immune response. Many innate immune genes that typically respond to LPS were inhibited by ncpBVDV including those involved in pathogen recognition, inflammation, interferon response, chemokines, tissue remodeling, cell migration and cell death/survival. Infection with ncpBVDV can thus compromise immune function and pregnancy recognition thereby potentially predisposing infected cows to postpartum bacterial endometritis and reduced fertility.
Global transcriptomic profiling of bovine endometrial immune response in vitro. I. Effect of lipopolysaccharide on innate immunity.
Sex, Treatment
View SamplesThe bursa of Fabricius is an immune organ unique to birds and possesses a specialized micro-environment that supports the differentiation of B cells and production of antibodies but, it can be damaged by lipopolysaccharide (LPS) derived from Salmonella typhimurium, one of the most deleterious food-borne pathogens. However, its mechanism of action at transcriptional level is poorly known yet. Therefore, the current project was designed and bursa of Fabricius from newly hatched chicks were sequenced at 12, 36 and 72 hours post saline and LPS treatments with 3 replications at each time point.
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Sex, Specimen part, Disease stage, Treatment
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