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Dynamic Hippo pathway activity underlies mesenchymal differentiation during lung alveolar morphogenesis [bulk RNA-seq]

ABSTRACT: Dynamic Hippo pathway activity underlies mesenchymal differentiation during lung alveolar morphogenesis [bulk RNA-seq]

PROVIDER: PRJNA1073447 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27872665_1.fastq.gz	Fastqsanger.gz
	SRR27872665_2.fastq.gz	Fastqsanger.gz
	SRR27872666_1.fastq.gz	Fastqsanger.gz
	SRR27872666_2.fastq.gz	Fastqsanger.gz
	SRR27872667_1.fastq.gz	Fastqsanger.gz

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Dynamic Hippo pathway activity underlies mesenchymal differentiation during lung alveolar morphogenesis

Project description:Dynamic Hippo pathway activity underlies mesenchymal differentiation during lung alveolar morphogenesis

| PRJNA1073446 | ENA

Dynamic Hippo pathway activity underlies mesenchymal differentiation during lung alveolar morphogenesis

Project description:Alveologenesis, the final stage in lung development, substantially remodels the distal lung, expanding the alveolar surface area for efficient gas exchange. Secondary crest myofibroblasts (SCMF) exist transiently in the neonatal distal lung and are critical for alveologenesis. However, the pathways that regulate SCMF function, proliferation, and temporal identity remain poorly understood. To address this, we purified SCMFs from reporter mice, performed bulk RNA-sequencing, and found dynamic changes in Hippo-signaling components during alveologenesis. We deleted Hippo effectors, Yap/Taz, from Acta2-expressing SCMFs at the onset of alveologenesis, causing a significant arrest in alveolar development. Using scRNA-seq, we identified a distinct cluster of cells in mutant lungs with altered expression of marker genes associated with proximal mesenchymal cell types, airway smooth muscle (ASM), and alveolar duct myofibroblasts (DMF). Using lineage tracing, we show that neonatal Acta2-expressing SCMFs give rise to adult DMFs and that Yap/Taz mutants have an increase of persisting DMF-like cells in the alveolar ducts. Our findings identify aberrant differentiation of neonatal lung myofibroblasts and demonstrate that Yap/Taz are critical for maintaining lineage commitment.

2024-02-10 | GSE255060 | GEO

Dynamic Hippo pathway activity underlies mesenchymal differentiation during lung alveolar morphogenesis [bulk RNA-seq]

2024-02-10 | GSE255059 | GEO

Transcription profiling of mouse TGF-a induction in saccular phase and alveolar phase lung morphogenesis in mice

Project description:Effect of TGFa induction on saccular phase or alveolar phase lung morphogenesis in mice.

2022-11-21 | E-MEXP-698 | biostudies-arrayexpress

Dynamic nucleosome remodeling mediated by YY1 underlies early mouse development

Project description:Dynamic nucleosome remodeling mediated by YY1 underlies early mouse development

| PRJNA908767 | ENA

Dynamic phosphoproteomics of BRS3 activation reveals Hippo signaling pathway for cell migration

Project description:Bombesin receptor subtype-3 (BRS3) is an orphan G-protein coupled receptor (GPCR) that involved in a range of pathological and physiological processes, while its biological functions and underlying regulatory mechanisms remain largely unknown. Quantitative phosphoproteomics approach was employed in this study to comprehensively decipher the signal transductions that occurred upon intracellular BRS3 activation. Lung cancer cell line H1299-BRS3 was treated with MK-5046, an agonist of BRS3, for different durations. Harvested cellular proteins were digested and phosphopeptides were enriched by immobilized titanium (IV) ion affinity chromatography (Ti4+-IMAC) for label-free quantification analysis. In total, 12,052 phosphopeptides were identified, corresponding to 4,015 phosphoproteins and 10,820 phosphosites. Data analysis revealed that 27 phosphopeptides corresponding to 6 proteins were involved in Hippo signaling pathway, which was significantly regulated by the activation of BRS3. Verification experiments demonstrated down-regulation of Hippo signaling pathway could induce the dephosphorylation and nucleus localization of Yes-associated protein (YAP), which further confirmed its association with cell migration through kinase inhibition. Our data collectively demonstrate that BRS3 activation contributes to cell migration through down-regulating Hippo signaling pathway.

2023-07-12 | PXD035666 | Pride

PAX3-FOXO1 suppresses cellular senescence through RASSF4-mediated restraint of the mammalian Hippo/MST1 pathway

Project description:Alveolar rhabdomyosarcoma (aRMS) is an aggressive sarcoma of skeletal muscle characterized by expression of the PAX3-FOXO1 fusion gene. Despite its discovery over almost 20 years ago, PAX3-FOXO1 remains an enigmatic tumor driver. Previously, we reported that PAX3-FOXO1 supports aRMS initiation by enabling bypass of cellular senescence. Here, we show that bypass occurs in part by PAX3-FOXO1-mediated upregulation of RASSF4, a Ras-association domain family (RASSF) member, which then suppresses the evolutionarily conserved mammalian Hippo/Mst1 pathway. RASSF4 loss-of-function activates Hippo/Mst1 and inhibits downstream YAP, causing aRMS cell cycle arrest and senescence. This is the first evidence for an oncogenic role for RASSF4, and a novel mechanism for Hippo signaling suppression in human cancer. Human skeletal muscle myoblasts (HSMMs) were retrovirally transduced with either an empty vector (Vp, pK1) or PAX3-FOXO1 (PFp, pK1-PAX3-FOXO1) and selected on puromycin. Presenescent (presen) cells were harvested before the senescence checkpoint. Since cells expressing PAX3-FOXO1 can bypass the senescence checkpoint, postsenescent (postsen) cells expressing PAX3-FOXO1 were also harvested. the gene expression affected by the introduction of PAX3-FOXO1

2014-05-15 | E-GEOD-40543 | biostudies-arrayexpress

Microarray of primary human breast cells with or without Hippo kinases LATS1/2

Project description:Perturbation of the tightly regulated dynamic process of cell fate underlies many human diseases. The molecular mechanisms regulating breast cell fate in the hierarchically organized luminal and basal lineages of breast epithelium remain largely elusive. We performed a high-content confocal image-based shRNA screen for regulators of primary human breast cell fate. Inhibition of the Hippo kinases LATS was found to promote luminal fate and increase the number of progenitors, which is a paradox given that Hippo effectors YAP/TAZ have been associated with basal fate. Mechanistically, LATS loss increases the activities of YAP/TAZ and ERα, which in concert control breast cell fate via intrinsic and paracrine effects. Reduced LATS expression is found in breast cancers with a poor prognosis; this diminishes the sensitivity of ERα-positive- and increases the sensitivity of ERα-negative cancers to endocrine therapy. Thus, in this study we have unraveled crosstalk between Hippo and estrogen signaling and shown that LATS loss triggers expansion of luminal progenitors, the highly suspected cell-of-origin in most breast cancers. In this dataset, we provide microarray gene expression analysis of normal breast epithelial cells, freshly dissociated from reduction mammoplasties, in which LATS1/2 were knocked down comparing it to non-targeting control expressing breast cells.

2017-01-27 | GSE61297 | GEO

Dynamic IFNβ signalling underlies treatment response to immune checkpoint therapy in cancer

Project description:Dynamic IFNβ signalling underlies treatment response to immune checkpoint therapy in cancer

| PRJNA644586 | ENA

Transcriptional targets of Hippo signaling in mammalian cells

Project description:The Hippo pathway is an emerging signaling cascade involved in the regulation of organ size control. It consists of evolutionally conserved protein kinases that are sequentially phosphorylated and activated. The active Hippo pathway subsequently phosphorylates a transcription coactivator, YAP, which precludes its nuclear localization and transcriptional activation. Identification of transcriptional targets of YAP in diverse cellular contexts is therefore critical to the understanding of the molecular mechanisms in which the Hippo pathway restricts tissue growth. We used microarrays to profile the gene expression patterns upon acute siRNA knockdown of Hippo pathway components in multiple mammalian cell lines and identified a set of genes representing immediate transcriptional targets of the Hippo/Yap signaling pathway. Three mammalian cell lines (HEK293T, HepG2, HaCaT) were transfected with scramble siRNA controls or siRNAs against NF2 and LATS2, two core components of the Hippo pathway, simultaneously. Total RNAs were harvested four days after transfection to reveal the gene expression pattern unsing microarry. YAP and TAZ siRNAs were also transfected along with NF2 and LATS2 siRNAs to identify YAP/TAZ-dependent transcriptional targets upon loss of NF2/LATS2.

2013-12-31 | E-GEOD-49384 | biostudies-arrayexpress

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