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H. pylori-induced PIEZO1 drives gastric carcinogenesis by activating the YAP1-CTGF axis to stiffen the alpha-SMA+ cancer-associated fibroblast-mediated microenvironment

ABSTRACT: H. pylori-induced PIEZO1 drives gastric carcinogenesis by activating the YAP1-CTGF axis to stiffen the alpha-SMA+ cancer-associated fibroblast-mediated microenvironment

PROVIDER: PRJNA951215 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24039363_1.fastq.gz	Fastqsanger.gz
	SRR24039363_2.fastq.gz	Fastqsanger.gz
	SRR24039364_1.fastq.gz	Fastqsanger.gz
	SRR24039364_2.fastq.gz	Fastqsanger.gz
	SRR24039365_1.fastq.gz	Fastqsanger.gz

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RNA-seq of wildtype and PIEZO1 knockout mice livers to investigate lipid and glucose regulation by the endothelial force sensor PIEZO1

Project description:PIEZO1 is a mechanically-activated ion channel that contributes to flow sensing in vascular endothelium. Moreover, deletion of endothelial PIEZO1 was recently found to suppress activation of Notch1 target genes in hepatic microvascular endothelium. Here, because of the liver’s dominant role in lipid regulation, we set out to test the novel hypothesis that endothelial PIEZO1 regulates hepatic lipid homeostasis. We performed bulk RNA sequencing on PIEZO1-deleted mice exposed to chow and high fat diets. Our transcriptomics analysis reveal unexpected relevance to lipid and glucose homeostasis.

2024-06-29 | E-MTAB-9996 | biostudies-arrayexpress

ENO1 promotes liver carcinogenesis through YAP1-dependent arachidonic acid metabolism

Project description:ENO1 promotes liver carcinogenesis through YAP1-dependent arachidonic acid metabolism

| PRJNA761712 | ENA

H. pylori-induced PIEZO1 drives gastric carcinogenesis by activating the YAP1-CTGF axis to stiffen the alpha-SMA+ cancer-associated fibroblast-mediated microenvironment

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-12-08 | GSE228692 | GEO

ENO1 promotes liver carcinogenesis through YAP1-dependent arachidonic acid metabolism

Project description:Enolase 1 (ENO1) is a glycolytic enzyme that plays essential roles in various pathological activities including cancer development. However, the mechanisms underlying ENO1-contributed tumorigenesis are not well explained. Here, we uncover that ENO1, as an RNA-binding protein, binds to the cytosine-uracil-guanine-rich elements of YAP1 messenger RNA to promote its translation. ENO1 and YAP1 positively regulate alternative arachidonic acid (AA) metabolism by inverse regulation of PLCB1 and HPGD (15-hydroxyprostaglandin dehydrogenase). The YAP1/PLCB1/HPGD axis-mediated activation of AA metabolism and subsequent accumulation of prostaglandin E2 (PGE2) are responsible for ENO1-mediated cancer progression, which can be retarded by aspirin. Finally, aberrant activation of ENO1/YAP1/PLCB1 and decreased HPGD expression in clinical hepatocellular carcinoma samples indicate a potential correlation between ENO1-regulated AA metabolism and cancer development. These findings underline a new function of ENO1 in regulating AA metabolism and tumorigenesis, suggesting a therapeutic potential for aspirin in patients with liver cancer with aberrant expression of ENO1 or YAP1.

2023-05-19 | GSE183703 | GEO

Effect of knocking down FOXP4 and YAP1 in gastric cancer cells

Project description:The Hippo-YAP1 pathway is an evolutionally conserved signaling cascade that controls organ size and tissue regeneration. Its dysregulation has been well-studied to promote tumor initiation and progression, including gastric cancer (GC). Although the Hippo-YAP1 signaling pathway regulates the expression of thousands of target genes, how these target genes contribute to the oncogenic program driven by YAP1 remains unknown. Here we identified the vital role of FOXP4 in YAP1-driven gastric carcinogenesis by maintaining stemness and promoting peritoneal metastasis. Knocking down FOXP4 impairs GC spheroid formation and inhibits stemness marker expression, while its upregulation potentiates the cancer cells with more stemness. RNA-seq analysis revealed SOX12 as functional downstream of FOXP4 in the YAP1-induced carcinogenesis. Targeting FOXP4 by 42-(2-Tetrazolyl) rapamycin in GC cells enhanced the 5-FU efficacies. Our findings have unveiled FOXP4 as a novel stemness marker that promotes tumorigenesis by upregulating SOX12. Additionally, we have identified FOXP4 as a direct target for modulating YAP1 signaling in GC. Therefore, the YAP1-FOXP4-SOX12 axis presents a promising therapeutic target for GC.

2024-07-13 | GSE267854 | GEO

PIEZO1 Interactome in HEK cells

Project description:The propeller-shaped blades of the PIEZO1 and PIEZO2 ion channels partition into the plasma membrane and respond to indentation or stretching of the lipid bilayer, thus converting mechanical forces into signals that can be interpreted by cells, in the form of calcium flux and changes in membrane potential. While PIEZO channels participate in diverse physiological processes, from sensing the shear stress of blood flow in the vasculature to detecting a light touch on the surface of the skin, the molecular details that enable these mechanosensors to tune their responses over a vast dynamic range of forces remain largely uncharacterized. To survey the molecular landscape surrounding PIEZO channels at the cell surface, we employed a mass spectrometry-based proteomic approach to capture and identify extracellularly exposed proteins in the vicinity of PIEZO1. This PIEZO1-proximal interactome was enriched in surface proteins localized to cell junctions and signaling hubs within the plasma membrane. Functional screening of these interaction candidates by calcium imaging and electrophysiology in an overexpression system identified the adhesion molecule CADM1/SynCAM that slows the inactivation kinetics of PIEZO1 with little effect on PIEZO2. Conversely, we found that CADM1 knockdown accelerates inactivation of endogenous PIEZO1 in Neuro-2a cells. Systematic deletion of CADM1 domains indicate that the transmembrane region is critical for the observed effects on PIEZO1, suggesting that modulation of inactivation is mediated by interactions in or near the lipid bilayer.

2024-10-30 | PXD054618 | Pride

Effect of stimulating PIEZO1 in gastric cancer cells

Project description:In gastric cancer (GC), PIEZO1 was suggested to promote cell migration by interacting with Trefoil factor family 1 (TFF1) and serve as a therapeutic target against invasion and metastasis. In addition, PIEZO1 demonstrates abundant expression in most GC cell lines and primary samples and highly-expressed PIEZO1 is associated with poor disease-specific survival. As Yoda1 is known to be an agonist of PIEZO1, we try to explore the PIEZO1 function in GC by Yoda1 treatment.

2023-12-08 | GSE228691 | GEO

Targeting Piezo1 Unleashes Innate Immunity Against Cancer and Infectious Disease

Project description:Piezo1 is a mechanosensitive ion channel that has gained recognition for its role in regulating diverse physiological processes. However, the influence of Piezo1 in inflammatory disease, including infection and tumor-immunity, is not well-studied. We postulated that Piezo1 links physical forces to immune regulation in myeloid cells. We discovered signal transduction via Piezo1 in myeloid cells and established this channel as the primary sensor of mechanical stress in these cells. Global inhibition of Piezo1 was protective against both cancer and septic shock and resulted in a diminution in suppressive myeloid cells. Moreover, deletion of Piezo1 in myeloid cells protected against cancer and increased survival in poly-microbial sepsis. Mechanistically, we show that mechanical stimulation promotes Piezo1-dependent myeloid cell expansion by suppressing Rb. We further show Piezo1-mediated silencing of Rb is regulated via upregulation of HDAC2. Collectively, our work uncovers Piezo1 as a targetable immune checkpoint that drives immune-suppressive myelopoiesis in cancer and infectious disease.

2020-08-21 | GSE155340 | GEO

Effect of knocking down PIEZO1 in gastric cancer cells

Project description:In gastric cancer (GC), PIEZO1 was suggested to promote cell migration by interacting with Trefoil factor family 1 (TFF1) and serve as a therapeutic target against invasion and metastasis. In addition, PIEZO1 demonstrates abundant expression in most GC cell lines and primary samples and highly-expressed PIEZO1 is associated with poor disease-specific survival. Thus, we try to explore the PIEZO1 function in GC by knocking down assay.

2023-12-08 | GSE228690 | GEO

Piezo1 integration of vascular architecture with physiological force LC-MSMS

Project description:The mechanisms by which physical forces regulate cells to determine complexities of vascular structure and function are enigmatic. Here we show the role the ion channel subunit Piezo1 (FAM38A). Disruption of mouse Piezo1 gene disturbed vascular development and was embryonic lethal within days of the heart beating to cause blood flow. Importance of Piezo channels as sensors of blood flow was indicated by Piezo1 dependence of shear stress-evoked ionic current and calcium influx in endothelial cells and the ability of exogenous Piezo1 to confer shear stress sensitivity on cells that otherwise lacked. Downstream of this calcium influx was proteoase activity and spatial organization of endothelial cells to the polarity of the applied force. Without Piezo1, normal endothelial cell organization was lacking. The data suggest Piezo1 channels as pivotal integrators of vascular architacture with physiological mechanical force.

2014-08-08 | PXD001099 | Pride

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