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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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The study of sex differences during the innate immune response against coxsackievirus B3 (CVB3)-induced myocarditis (12hr post infection)

ABSTRACT: Men are at an increased risk of dying from heart failure caused by inflammatory heart diseases such as atherosclerosis, myocarditis and dilated cardiomyopathy (DCM). We previously showed that macrophages in the spleen are phenotypically distinct in male compared to female mice at 12 hours (h) after infection. This innate immune profile mirrors and predicts the cardiac immune response during acute myocarditis. Groups consisted of Infected Males, Infected Females, Uninfected Males and Uninfected females. There are 5 mice per group. A total of 20 samples were analyzed in this experiment.

ORGANISM(S): Mus musculus

SUBMITTER: DeLisa Fairweather

PROVIDER: E-GEOD-26630 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Sex differences during acute myocarditis against coxsackievirus B3 (CVB3)-induced myocarditis (10 dpi) and chronic myocarditis/dilated cardiomyopathy (DCM) against CVB3-induced myocarditis (90 dpi)

Project description:Men are at an increased risk of dying from heart failure caused by inflammatory heart diseases such as atherosclerosis, myocarditis and dilated cardiomyopathy (DCM). We previously showed that immune responses in the heart are phenotypically distinct in male compared to female mice 10 days after infection resulting in severe DCM in males. Groups consisted of Infected Males, Infected Females, Uninfected Males and Uninfected females. There are 3 mice per group. A total of 12 samples were analyzed in this experiment (12 for 10 dpi and 12 for 90 dpi).

2012-01-19 | E-GEOD-35182 | biostudies-arrayexpress

Coxsackievirus B3 (CVB3) infection of AJ, B10.A, CSS3 and B6.chr3AJ (heart tissue day 4)

Project description:The pathogenesis of viral myocarditis is a multifactorial process involving host genetics, viral genetics and the environment in which they interact. Here, we used a model of infection with Coxsackievirus B3 to characterize the contribution of host genetics to viral myocarditis. We determined heart CVB3 load in mice from a classical intercross between progenitors A/J (H2a) and B10.A-H2a (B10.A) of different genetic backgrounds but with a common H2 haplotype. Here we compare whole genome expression patterns in infected and uninfected A/J and B10.A mice in order to determine which gene expression programs are common or distinct to each strain. Total RNA obtained from hearts of 3 AJ, 3 B10.A(H2a), 3 CSS3 and 3 B6.chr3AJ that were infected or uninfected with CVB3(CG) at 400pfu/g and collected at day 4 post infection.

2011-05-01 | E-GEOD-19496 | biostudies-arrayexpress

Sex differences during acute myocarditis against coxsackievirus B3 (CVB3)-induced myocarditis (10 dpi) and chronic myocarditis/dilated cardiomyopathy (DCM) against CVB3-induced myocarditis (90 dpi)

2012-01-19 | GSE35182 | GEO

Coxsackievirus B3 (CVB3) infection of AJ, B10.A, CSS3 and B6.chr3AJ (heart tissue day 4)

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Targeted_PRM_Urine_Carnitine_Efficacy_Study_Males_Females

Project description:5-week old male and female Swiss Webster mice were infected with 500,000 Trypanosoma cruzi strain Sylvio X/104 parasites. Urine was collected from uninfected mice pre-infection, from infected and uninfected mice every week for 5 weeks post infection, from infected and uninfected mice 67 (females)/68 (males) days post infection, and from infected and uninfected mice 117 (females)/124 (males) days post infection for acute, mid-chronic, and chronic time-points. Metabolites were extracted with methanol and a targeted PRM LCMS analysis was ran on a Thermo Q Exactive Plus instrument with a Phenomenex Luna Omega Polar C18 column.

2022-03-23 | MSV000089113 | MassIVE

Untargeted_Urine_Carnitine_Efficacy_Study_Males_Females

Project description:5-week old male and female Swiss Webster mice were infected with 500,000 Trypanosoma cruzi strain Sylvio X10/4 parasites. Urine was collected from uninfected mice pre-infection, from infected and uninfected mice every week for 5 weeks post infection, from infected and uninfected mice 67 (females)/68 (males) days post infection, and from infected and uninfected mice 117 (females)/124 (males) days post infection for acute, mid-chronic, and chronic time-points. Metabolites were extracted with methanol and an untargeted LCMS analysis was ran on a Thermo Q Exactive Plus instrument with a Phenomenex Luna Omega Polar C18 column.

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Effects of H2be loss of function on gene expression in the main olfactory epithelium (MOE) of 6-month old mice.

Project description:We have identified a replication-independent histone variant, Hist2h2be (referred to herein as H2be), which is expressed exclusively by olfactory chemosensory neurons. Levels of H2BE are heterogeneous among olfactory neurons, but stereotyped according to the identity of the co-expressed olfactory receptor (OR). Gain- and loss-of-function experiments demonstrate that changes in H2be expression affect olfactory function and OR representation in the adult olfactory epithelium. We show that H2BE expression is reduced by sensory activity and that it promotes neuronal cell death, such that inactive olfactory neurons display higher levels of the variant and shorter life spans. Post-translational modifications (PTMs) of H2BE differ from those of the canonical H2B, consistent with a role for H2BE in altering transcription. We propose a physiological function for H2be in modulating olfactory neuron population dynamics to adapt the OR repertoire to the environment. The objective of generating this dataset was to analyze the effects of H2be loss of function on gene expression in the main olfactory epithelium of 6-month old mice. This dataset compares gene expression in wild type and H2be-KO main olfactory epithelium (MOE) samples. There are six replicates for each genotype (equal mixture of males and females).

2012-09-01 | E-GEOD-39515 | biostudies-arrayexpress

Bioinformatics Multivariate Analysis Determined a Set of Phase-Specific Biomarker Candidates in a Novel Mouse Model for Viral Myocarditis

Project description:Myocarditis is an inflammatory disease in the heart and is mainly caused by viral infections. Viral myocarditis has been proposed to be divided into three phases; the acute viral phase, the subacute immune phase, and the chronic cardiac remodeling phase. Although individualized therapy should be applied depending on the phase, no clinical or experimental studies have found biomarkers that distinguish between the three phases of myocarditis. Theiler’s murine encephalomyelitis virus (TMEV) belongs to the genus Cardiovirus, and can cause myocarditis in susceptible mouse strains. Using this novel model for viral myocarditis induced with TMEV, we conducted multivariate analysis including echocardiography, serum troponin and viral RNA titration, and microarray for identifying the biomarker candidates that discriminate the three phases. Using C3H mice infected with TMEV on 4, 7, and 60 days post infection (p.i.), we conducted bioinformatics analyses, including principal component analysis (PCA) of microarray data, since our traditional cardiac and serum assays, including two-way comparison of microarray data, did not lead to the identification of a single biomarker. PCA separated heart samples clearly between the groups of 4, 7, and 60 days p.i. Representative genes contributing to the separation were as follows: 4 and 7 days p.i., innate immunity-related genes, such as Irf7, and Cxcl9; 7 and 60 days p.i., acquired immunity-related genes, such as Cd3g and H2-Aa; and cardiac remodeling-related genes, such as Mmp12 and Gpnmb. Here, sets of molecules, but not a single molecule, identified by the unsupervised PCA, were found to be useful as the phase-specific biomarkers. Five mice were infected with TMEV intraperitoneally and hearvested their hearts on 4, 7, and 60 days post infection, respectively, for RNA isolation and hybridization on Affymetrix microarrays. As the control groups, age-matched uninfected mice were prepared.

2013-12-24 | E-GEOD-53607 | biostudies-arrayexpress

Identifying gene expression profiles in hypoplastic left heart syndrome and age-matched normal controls

Project description:Affymetrix GeneChip Exon-1.0ST was used to study the differential gene profiles in RV (right ventricle) samples from neonates with HLHS (hypoplastic left heart syndrome) versus RV and LV (left ventricle) samples obtained from age-matched controls. Although few significant changes were observed in the genetic profiles between control LV and control RV, many genes passed the false discovery rate in comparing HLHS-RV to RV and LV control groups, with greater differential profiles noted between HLHS-RV and control RV. Myocardial samples were isolated from the RV of 6 HLHS neonates, diagnosed based upon clinical features including hypoplasia/atresia of the ascending aorta, various degrees of underdevelopment of the aortic valve, mitral valve, and LV cavity, and retrograde flow in the aortic arch as determined by conventional 2-D echocardiography. The mean gestational age at birth of all subjects was 38 weeks (range 36-39) and the mean body weight at surgery of 2.7 kg (range 2.1-3.4 kg) (3 males, 3 females). All subjects were undergoing stage 1 Norwood reconstruction. Children with HLHS and other complex cardiac anomalies entailing non-HLHS single ventricle circulation were excluded from our study. For control samples, RV and LV myocardial tissue was obtained from 5 newborns aged between 1-28 days (mean 18 days; 3 males and 2 females) with normal cardiac anatomy and expired from non-cardiac diseases processes.

2011-12-31 | E-GEOD-23959 | biostudies-arrayexpress

Effects of H2be ectopic over-expression on gene expression in the main olfactory epithelium (MOE) of 5-week old mice.

Project description:We have identified a replication-independent histone variant, Hist2h2be (referred to herein as H2be), which is expressed exclusively by olfactory chemosensory neurons. Levels of H2BE are heterogeneous among olfactory neurons, but stereotyped according to the identity of the co-expressed olfactory receptor (OR). Gain- and loss-of-function experiments demonstrate that changes in H2be expression affect olfactory function and OR representation in the adult olfactory epithelium. We show that H2BE expression is reduced by sensory activity and that it promotes neuronal cell death, such that inactive olfactory neurons display higher levels of the variant and shorter life spans. Post-translational modifications (PTMs) of H2BE differ from those of the canonical H2B, consistent with a role for H2BE in altering transcription. We propose a physiological function for H2be in modulating olfactory neuron population dynamics to adapt the OR repertoire to the environment. The objective of generating this dataset was to analyze the effects of the ectopic over-expression of H2be (expressed from an Omp-promoter-driven transgene and tagged with a FLAG epitope) on gene expression in the main olfactory epithelium of 5-week old mice. This dataset compares gene expression in wild type and H2be-GF main olfactory epithelium (MOE) samples. There are 6 replicates for WT and 4 replicates for H2be-GF (equal mixture of males and females).

2012-09-01 | E-GEOD-39514 | biostudies-arrayexpress

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