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Notch1 and Notch2 signaling from distinct cellular sources exclusively but cooperatively regulate fetal myogenesis

ABSTRACT: Notch1 and Notch2 signaling from distinct cellular sources exclusively but cooperatively regulate fetal myogenesis

PROVIDER: PRJNA787466 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17179593_1.fastq.gz	Fastqsanger.gz
	SRR17179593_2.fastq.gz	Fastqsanger.gz
	SRR17179594_1.fastq.gz	Fastqsanger.gz
	SRR17179594_2.fastq.gz	Fastqsanger.gz
	SRR17179595_1.fastq.gz	Fastqsanger.gz

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Notch1 and Notch2 signaling from distinct cellular sources exclusively but cooperatively regulate fetal myogenesis

Project description:During developmental myogenesis, some continuously proliferating myogenic progenitors (MPs) sustain stem/progenitor states while the rest differentiate into myocytes to form myofibers by fusion. To generate sufficient muscle, fine regulations of cell fate decision of MPs are crucial. Notch signaling has been known to regulate embryonic MPs (eMPs) that play a role in primary myogenesis by promoting cell cycle exit and suppressing premature differentiation. However, the role of Notch signaling in fetal MPs (fMPs) during secondary myogenesis is elusive because the development of fMPs already has been abrogated in Notch manipulation models. In this study, we investigated the role of Notch signaling in fMPs at an individual Notch receptor level. Surprisingly we found that Notch1 and Notch2, most similar among four Notch receptors, distinctly regulate fMPs: Notch1 induces cell cycle exit and Notch2 suppresses premature differentiation, presumably by canonical Notch signaling pathway. Additionally, we suggest that Notch1 and Notch2 signals are regulated by the ligands on myofibers and MP-lineage cells, respectively. This study will lay the groundwork for the in-depth understanding of Notch signaling in muscle formation from embryonic myogenesis to adult muscle regeneration.

2022-12-31 | GSE190521 | GEO

DAOY-Notch1/Notch2 knockout: transcriptome comparison

Project description:DAOY-Notch1/Notch2 knockout: transcriptome comparison

| PRJNA453919 | ENA

Transcription profiling of human time points after induction of Notch1-IC, Notch2-IC or EBNA2 in EREB2-5 cells - detection of Notch1-IC, Notch2-IC and EBNA2 target genes in human B cells

Project description:Notch1-IC, Notch2-IC or EBNA2 have been induced in a conditionally immortalized human B cell line (EREB2-5) in order to identify similar and unique target genes in B cells. CAT was used as a control. Experiment Overall Design: RNA was isolated at different time points after induction of Notch1-IC, Notch2-IC or EBNA2 in EREB2-5 cells. Three independent experiments were performed (except Notch1-IC at 3day).

2009-08-25 | E-GEOD-12355 | biostudies-arrayexpress

NOTCH2 mutants

Project description:NOTCH2 mutants

| PRJNA967022 | ENA

Comprehensive gene expression analysis in liver tissue following forced activation of Notch1 and Notch2 signaling.

Project description:We compared the effects of Notch1 and Notch2 signaling induced by AAV8-mediated forced expression of Notch1 intracellular domain (NICD1) and Notch2 intracellular domain (NICD2), respectively, in the liver. Eight-week-old wild-type male mice were injected intraperitoneally with an NICD1- and/or NICD2-overexpressing AAV8 vector. Efficient AAV8-mediated gene transfer was confirmed by co-expressed green fluorescent protein (GFP) fluorescence in hepatocytes. A comprehensive gene expression analysis using DNA microarray indicated that the expression levels of 1704 and 1325 genes were altered by overexpressing NICD1 and NICD2, respectively, compared with the control group expressing only GFP.

2021-11-28 | GSE178886 | GEO

Detection of Notch1-IC, Notch2-IC and EBNA2 target genes in human B cells

2009-08-06 | GSE12355 | GEO

Effect of Notch2 in chondrocytes

Project description:To investigate the role of Notch2 in the inflammatory response in chondrocytes, we cultured primary chondrocytes derived from wild type and Notch2 mutant mice and treated TNFalpha or vehicle. We then performed gene expression profiling analysis using data obtained from RNA-seq of wild type and Notch2 mutant chondrocytes.

2023-10-16 | GSE224255 | GEO

Notch2 controls non-autonomous Wnt-signalling in chronic lymphocytic leukaemia

Project description:The Wnt-signalling pathway is one of the core de-regulated pathways in chronic lymphocytic leukemia (CLL), activated in a subset of patients by somatic coding mutations. Here we describe an alternative mechanism of Wnt-activation in malignant B cells, mediated by Notch2 activity in mesenchymal stromal cells (MSC) in the tumor microenvironment. We identified that tumor cells specifically induce and activate Notch2 in MSCs. Notch2 orchestrates the expression of target genes essential for the activation of canonical Wnt-signaling in CLL cells. Mechanistically, stromal Notch2 mediates the stabilization of â-catenin by inhibiting the activation of Gsk3-â in malignant B cells. Pharmacological inhibition of the Wnt-pathway mitigates microenvironment-mediated survival of malignant B cells in vitro. Similarly, inhibition of Notch-signaling impaired survival of CLL cells and disease engraftment in a PDX mouse model. Notch2 activation in the tumour microenvironment is a pre-requisite for the GSK3-â dependent activation of the canonical Wnt-signaling in tumor cells.

2018-09-19 | PXD010401 | Pride

Transcriptional impact of conditional loss of Notch2 from adult NSCs

Project description:Adult NSCs maintenance depends on intakt Notch signaling. The role of Notch2 has only been marginally studied in adult neurogenesis. To adress the role of the Notch2 paralogue we conditionally deleted Notch2 from the adult SVZ and analysed the Notch2-deficient cells at distinct time points.

2018-01-23 | GSE99916 | GEO

Conditional ablation of the Notch2 receptor in the ocular lens

Project description:Notch signaling is essential for proper lens development, however the specific requirements of individual Notch receptors has not been previously investigated. Here we report the lens phenotypes of Notch2 conditionally mutant mice, which exhibited severe microphthalmia, reduced pupillary openings, disrupted fiber cell morphology, eventual loss of the anterior epithelium, fiber cell dysgenesis, and cataracts. Notch2 mutants also had a persistent lens stalk phenotype at E11.5, and aberrant DNA synthesis in the fiber cell compartment by E14.5. Gene expression analyses showed elevated levels of the cell cycle regulators Cdkn1a (p21Cip1), Ccnd2 (CyclinD2) and Trp63 (p63) that negatively regulates Wnt signaling. Although removal of Notch2 phenocopied the increased proportion of fiber cells of Rbpj and Jag1 conditional mutant lenses, Notch2 is not required for AEL proliferation, suggesting that a different receptor regulates this process. Instead, we found that the Notch2 normally blocks progenitor cell death. Overall, we conclude that Notch2-mediated signaling regulates lens morphogenesis, apoptosis, cell cycle withdrawal, and secondary fiber cell differentiation. We have compared gene expression of ocular lenses of mice that are lens specific conditional mutants of Notch2 gene to that of littermate controls that had no ablation of Notch2 gene in the lens. Two lenses of each of the three conditional mutants and controls were pooled together and total RNA was harvested from embryonic day 19.5 (E19.5) lenses. Gene expression changes caused by absence of Notch2 gene in the lens were analyzed.

2011-12-31 | E-GEOD-31643 | biostudies-arrayexpress

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