RNA-sequence analysis of WT mice hearts and cardiomyocyte-specific deletion of STAT3 mice hearts
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA672707 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR12915964_1.fastq.gz | Fastqsanger.gz | |||
| SRR12915964_2.fastq.gz | Fastqsanger.gz | |||
| SRR12915965_1.fastq.gz | Fastqsanger.gz | |||
| SRR12915965_2.fastq.gz | Fastqsanger.gz | |||
| SRR12915966_1.fastq.gz | Fastqsanger.gz |
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Project description:The RNA-sequence analysis of cardiomyocyte-specific deletion of STAT3 mice hearts showed that comparing with WT mice hearts, the STAT3cKO mice hearts showed reduced cardiac function by affecting some key pathways.
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Project description:Gene expression analysis of heart tissue probes from a mouse model with a cardiomyocyte-restricted STAT3 deficiency in comparison to corresponding WT mice. (Hilfiker-Kleiner, D. et al. 2004) Comparison of heart left ventricle tissue probes from STAT3-KO and WT mice. Each sample is a pool of 5 tissue probes from each genotype.
2011-06-30 | E-GEOD-30306 | biostudies-arrayexpress
Project description:Gene expression analysis of heart tissue probes from a mouse model with a cardiomyocyte-restricted STAT3 deficiency in comparison to corresponding WT mice. (Hilfiker-Kleiner, D. et al. 2004)
2011-06-30 | GSE30306 | GEO
Project description:We found that cardiomyocyte-specific PRMT1-deficient (PRMT1-cKO) mice showed dilated cardiomyopathy and aberrant cardiac alternative splicing. To identify novel cardiac splicing events, we performed a comprehensive analysis of gene expression changes in hearts of wildtype (WT) and PRMT1-cKO mice using RNA sequencing (RNA-Seq). To investigate differentially expressed genes (false discovery rate (FDR) p<0.05, fold change >2) between control and PRMT1-cKO mice, we performed pairwise comparisons of RNA-Seq data using the CLC Genomics Workbench software.
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Project description:RNA-seq analysis of hearts from control and cardiomyocyte-specific PRMT1-deficient mice
| PRJNA449535 | ENA
Project description:Circadian clocks are cell autonomous, transcriptionally-based, molecular mechanisms that confer the selective advantage of anticipation, enabling cells/organs to respond to environmental factors in a temporally appropriate manner. Critical to circadian clock function are two transcription factors, CLOCK and BMAL1. Previous studies in our laboratory have highlighted roles for CLOCK in cardiac physiology/pathophysiology. Here, we describe transcriptional, metabolic, and functional consequences of cardiomyocyte-specific Bmal1 knockout (CBK). Microarray analysis revealed 2037 differentially expressed genes in CBK hearts, many of which were previously identified in cardiomyocyte-specific Clock mutant (CCM) hearts. Subsequent analysis showed that Beta-hydroxybutyrate dehydrogenase 1 mRNA, protein, and enzymatic activity are markedly depressed in both CBK and CCM hearts, as is myocardial Beta-hydroxybutyrate oxidation, revealing a novel role for the circadian clock in ketone body utilization. A number of genes encoding for collagen isoforms were identified as oscillating in a time-of-day-dependent manner in wild-type, but not CBK, hearts, including col3a1, col4a1, and col4a2. Chronic induction of collagen isoform genes in CBK hearts was associated with severe age-dependent depression of cardiac function. Development of cardiomyopathy in CBK mice was associated with early mortality; all CBK mice die by one year of age. These studies highlight novel critical functions for BMAL1 in the heart, including regulation of ketone body metabolism and the extracellular matrix. RNA from whole hearts collected every 3 hours for 24 hours from wildtype and CBK mice was isolated and analyzed using MouseRef-8_V2 BeadChips (Illumina, Inc.). The 24-hour data were examined for rhythmicity using cosinor analysis and differences in rhythmicity between genotype groups were further examined for differences in the model fitting parameters.
2014-01-01 | E-GEOD-43073 | biostudies-arrayexpress
Project description:Serine-rich splicing factor 3 (SRSF3) was recently reported as being necessary to preserve RNA stability via an mTOR mechanism in a cardiac mouse model in adulthood. Here, we demonstrate the link between Srsf3 and mitochondrial integrity in an embryonic cardiomyocyte-specific Srsf3 conditional knockout (cKO) mouse model. Fifteen-day-old Srsf3 cKO mice showed dramatically reduced (below 50%) survival and reduced the left ventricular systolic performance, and histological analysis of these hearts revealed a significant increase in cardiomyocyte size, confirming the severe remodeling induced by Srsf3 deletion. RNA-seq analysis of the hearts of 5-day-old Srsf3 cKO mice revealed early changes in expression levels and alternative splicing of several transcripts related to mitochondrial integrity and oxidative phosphorylation. Likewise, the levels of several protein complexes of the electron transport chain decreased, and mitochondrial complex I-driven respiration of permeabilized cardiac muscle fibers from the left ventricle was impaired. Furthermore, transmission electron microscopy analysis showed disordered mitochondrial length and cristae structure. Together with its indispensable role in the physiological maintenance of mouse hearts, these results highlight the previously unrecognized function of Srsf3 in regulating the mitochondrial integrity.
2021-06-23 | GSE151168 | GEO
Project description:We generated the cardiac-specific knockout of Trbp (Trbp-cKO) in mice. We profiled the transcriptome in both wild-type and Trbp-cKO hearts, and found numerous genes were deregulated by deletion of Trbp. We also profiled miRNA expression both wild-type and Trbp-cKO hearts, and found expression of a subset of miRNA species was altered in Trbp-cKO hearts.
2015-04-27 | GSE67658 | GEO
Project description:Many patients have cancers that have increased activity of a protein called STAT3 that contributes critically to the development and growth of their cancer. Despite our knowledge of STAT3’s importance to cancer, scientists and doctors have not developed a drug that targets it and that patients can take to treat their cancer more effectively than treatments that are now available. Tvardi Therapeutics, Incorporated has developed a compound, TTI-101, which can be given by mouth and acts as a direct inhibitor of STAT3. Administration of TTI-101 to mice demonstrated that it blocked growth of cancers of the breast, head and neck, lung, and liver and it was safe when administered at high doses to mice, rats, and dogs. In this application, Tvardi is proposing to further develop TTI-101 for treatment of solid tumors for which the prognosis is dismal. The investigators will determine how safe it is when administered to patients with cancer, determine whether an adequate dose can be administered to patients with cancer that will block STAT3 in their cancer, and determine whether treatment with TTI-101 leads to reduced growth of their cancer.
| 2247646 | ecrin-mdr-crc
Project description:Background: BMPER, an orthologue of Drosophila melanogaster crossveinless-2, is a secreted factor that regulates BMP activity in endothelial cell precursors and during early cardiomyocyte differentiation. Although previously described in the heart, the role of Bmper in cardiac development and function remained unknown. Methods: BMPER deficient hearts were phenotyped histologically and functionally using echocardiography and Doppler analysis. Since BMPER -/- mice die perinatally, BMPER +/- mice were then challenged to pressure overload induced cardiac hypertrophy and hind limb ischemia to determine changes in angiogensis and regulation of cardiomyocyte size. Results: We identified for the first time the cardiac phenotype associated with BMPER haploinsufficiency. BMPER mRNA and protein are present in the heart during cardiac development through at least E14.5 but is lost by E18.5. BMPER +/- ventricles are thinner and less compact than sibling wild-type hearts. In the adult, BMPER +/- hearts present with decreased anterior and posterior wall thickness, decreased cardiomyocyte size, and an increase in cardiac vessel density. Despite these changes, BMPER +/- mice respond to pressure overload-induced cardiac hypertrophy challenge largely to the same extent as wild-type mice. Conclusion: BMPER appears to play a role in regulating both vessel density and cardiac development in vivo; however, BMPER haploinsufficiency does not result in marked effects on cardiac function or adaptation to pressure overload hypertrophy. Unpaired, two-condition experiment, wild-type vs BMPER+/- adult hearts. Biological replicates: 4 per condition.
2012-09-20 | E-GEOD-40983 | biostudies-arrayexpress