RNA-Seq of normal and infarcted DBA/2J and C57Bl6/N adult female hearts.
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA870072 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR21088239_1.fastq.gz | Fastqsanger.gz | |||
| SRR21088239_2.fastq.gz | Fastqsanger.gz | |||
| SRR21088240_1.fastq.gz | Fastqsanger.gz | |||
| SRR21088240_2.fastq.gz | Fastqsanger.gz | |||
| SRR21088241_1.fastq.gz | Fastqsanger.gz |
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Project description:We have observed that DBA/2J and C57Bl6/N mice exhibit different responses to permanent coronary artery ligation, with mice in a C57 background having about a 14-fold increase in cardiomyocyte S-phase activity as compared to DBA mice. We mapped the responsible gene to the distal arm of Chromosome 3 in the C57 background. We then RNA-Seq analyses on hearts from normal and infarcted DBA and C57 mice, with the hope of identifying candidate genes within the region of interest on the distal arm of Chromosome 3 which are differentially expressed. These genes identified Tnni3k as a potential candidate contributing to the elevated S-phase phenotype.
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Project description:Expression profiling of liver tissue from 111 F2 female mice resulting from a cross between C57BL/6J and DBA/2J inbred mouse strains. Mice were feed a chow diet for 12 months followed by 4 months on an atherogenic high-fat, high-cholesterol diet. Parental and F2 mice were killed at 16 months of age. The livers were removed immediately and flash frozen for expression profiling. See Schadt, et al., Nature , Vol 422(6929):297-302 for details. Keywords = Genetics of Gene Expression Keywords = mouse Keywords = C57BL6 Keywords = DBA Keywords: repeat sample
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Project description:Expression profiling of liver tissue from 111 F2 female mice resulting from a cross between C57BL/6J and DBA/2J inbred mouse strains. Mice were feed a chow diet for 12 months followed by 4 months on an atherogenic high-fat, high-cholesterol diet. Parental and F2 mice were killed at 16 months of age. The livers were removed immediately and flash frozen for expression profiling. See Schadt, et al., Nature , Vol 422(6929):297-302 for details. Keywords = Genetics of Gene Expression Keywords = mouse Keywords = C57BL6 Keywords = DBA
2010-06-05 | E-GEOD-2008 | biostudies-arrayexpress
Project description:Genome sequencing of the DBA/2J strain of mouse
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Project description:Purpose: The DBA/2J mouse is a model for secondary angle-closure glaucoma due to iris atrophy and pigment dispersion, which ultimately leads to increased intraocular pressure (IOP). We sought to correlate changes in retinal gene expression with glaucoma-like pathology by performing microarray analysis of retinal RNA from DBA/2J mice at 3 months before disease onset, and at 8 months, after IOP elevation. Methods: IOP was monitored monthly in DBA/2J animals by Tono-Pen and animals with normal (3 months) or elevated IOP (8 months) were identified. RNA was prepared from 3 individual retinas at each age, and the RNA was amplified and used to generate biotin-labeled probe for high density mouse Affymetrix arrays (U430.2). A subset of genes was selected for confirmation by quantitative RT-PCR using independent retina samples from DBA/2J animals at 3, 5 and 8 months of age, and compared to retinas from C57BL/6J control animals at 3 and 8 months. Results: There were changes in expression of 68 genes, with 32 genes increasing and 36 genes decreasing at 8 months versus 3 months. Upregulated genes were associated with immune response, glial activation, signaling and gene expression, while down-regulated genes included multiple crystallin genes. Significant changes in 9 upregulated genes and 2 downregulated genes were confirmed by quantitative RT-PCR, with some showing changes in expression by 5 months. Conclusions: DBA/2J retina shows evidence for glial activation and an immune-related response following IOP elevation, similar to what has been reported following acute elevation of IOP in other models. Keywords: retina, glaucoma, DBA/2J, elevated intraocular pressure
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Project description:RNA-seq analysis from young and pre-glaucomatous DBA/2J retinal ganglion cells and control (age and sex-matched, D2-Gpnmb+) retinal ganglion cells
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Project description:Cardiovascular progenitors regenerate infarcted swine hearts
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Project description:Mlycd encodes malonyl-CoA decarboxylase (MCD), which is an enzyme that localizes in the cytosolic, mitochondrial, and peroxisomal compartments and catalyzes the conversion of malonyl-CoA into acetyl-CoA. Malonyl-CoA can be converted into malonylcarnitine (C3DC). Patients with an autosomal recessive defect of MCD and MCD KO mice have pronounced elevations of C3DC. Analysis of plasma C3DC levels in the BxD genetic reference population revealed increased levels in BxD strains that harbor the DBA/2J haplotype at the site of the Mlycd gene. RNA sequencing was performed on two samples of DBA/2J mouse livers and two C57BL/6J mouse livers. Decreased expression of Mlycd gene as well as intronic reads in intron 2 were observed in DBA/2J livers. Long-read sequecing of DBA/2J livers in the Mlycd region confirmed an intracisternal A-particle (IAP) retrotransposon in intron 2 of the DBA/2J Mlycd sequence. To confirm the causal nature of the variant, DBA/2J mice with and without the C57BL/6J variant of Mlycd spliced in were tested for products of MCD enzymatic activity, and the C57BL/6J variant was able to rescue the phenotype seen in the DBA/2J mice.
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Project description:We hypothesize that gene expression in the CBs of these two strains of mice are divergent thus contributing to the disparity in the phenotypes. More specifically, (1) genes related to CB function are expressed less in the A/J mice compared to DBA/2J mice; (2) gene expression levels of morphogenic and trophic factors of the CB maybe significantly lower in the A/J mice than the DBA/2J mice. In order to test these hypotheses, we utilized microarray analysis to examine transcriptional differences between CBs of both strains of mice. Keywords: comparative expression profiling
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