Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA242200 | ENA |
REPOSITORIES: ENA
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Project description:To understand molecular mechanisms underlying the synergy of Rb loss and E2F8 loss, we used gene expression profiling to assess molecular changes in Mx1-Cre-mediated knockout (KO) mice using RNA isolated from sorted Ter119+CD71high Erythroblasts. The top four upregulated and enriched pathways in the DKO mice included DNA replication, DNA damage response, DNA repair, and RNA processing. Interestingly, the majority of upregulated genes in the enriched sections of the four shared pathways contain E2f binding site(s) in their promoters, suggesting that Rb and E2F8 largely repress those genes through the E2f binding sites. Collectively, our data suggest that Rb and E2F8 co-regulate E2F-responsive genes. Spleen Ter119+CD71high cells were sorted from WT, E2f8 KO, Rb KO and E2f8;Rb DKO mice
2014-05-30 | E-GEOD-52157 | biostudies-arrayexpress
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2012-05-02 | PRD000177 | Pride
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2014-07-30 | E-GEOD-52157 | ExpressionAtlas
Project description:Rb and E2F are thought to play antagonistic roles in celll proliferation. However, this model is based mostly from in vitro cell culture systems. We used small intestines to test this model in vivo. We found that deletion of E2f1-3 in the small intestine of mice suppressed the ectopic expression of E2F targets and cell proliferation caused by Rb-deficiency. Surprisingly, E2f1-3 deletion failed to arrest the proliferation of intestinal cells containing an intact Rb gene, and instead led to E2F target derepression and apoptosis. Experiment Overall Design: Total RNA of crypts and villi from wild-type, Rb-/-, E2f1-/-, E2f2-/-, E2f3-/-, E2f1-/-, E2f2-/-, and E2f3-/- small intestines. Small intestines were harvested 7 days after mice were injected intraperitoneally with beta-napthoflavone.
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Project description:Alcohol induced damages to teh crypts and villi of mouse small intestine revealed by laser capture microdissection (LCM)-based sample collection, DIA-based untargeted proteomics
2024-05-21 | PXD048687 | Pride
Project description:Purpose: Determine the differential m6A methylation pattern of Mettl3 between wildtype, Pkd1F/RC-KO and Pkd1F/RC-Mettl3-DKO mouse kidneys. Methods: m6A RNA IP using the Magna MeRIP™ m6A Kit (EMD Millipore, catalog #17-10499) was performed on P18 wildtype, Pkd1F/RC-KO and Pkd1F/RC-Mettl3-DKO mouse kidney samples. Two biological replicate samples from each genotype were sequenced. Each sample was a pool of 6 kidneys of the same genotype. The input samples were also sequenced to obtain mRNA profiles. Results: 133 mRNAs were found to be differentially hypermethylated in the Pkd1-KO kidneys compared to the control kidneys and differentially hypomethylated in the Pkd1-Mettl3-DKO kidneys compared to the Pkd1-KO kidneys. Two key pathogenic mRNAs namely, c-Myc and Avpr2 were identified and validated as Mettl3 targets. The mRNA transcript levels were unchanged between Pkd1-KO and Pkd1-Mettl3-DKO kidneys. Conclusion: Mettl3/m6A promotes translation of pathogenic mRNAs to mediate cystogenesis in mouse models of ADPKD.
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