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Piezo1-mediated Mechanotransduction Shapes ILC2 Translational Activity, Functions, and Lung Pathogenicity

ABSTRACT: Piezo1-mediated Mechanotransduction Shapes ILC2 Translational Activity, Functions, and Lung Pathogenicity

PROVIDER: PRJNA1165661 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30805568_1.fastq.gz	Fastqsanger.gz
	SRR30805568_2.fastq.gz	Fastqsanger.gz
	SRR30805569_1.fastq.gz	Fastqsanger.gz
	SRR30805569_2.fastq.gz	Fastqsanger.gz
	SRR30805570_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

Piezo1-mediated Mechanotransduction Shapes ILC2 Translational Activity, Functions, and Lung Pathogenicity

Project description:Group-2 innate-lymphoid cells (ILC2s) are critical mediators of the type-2 immune responses in multiple lung pathologies. We show that Piezo1, a mechanosensitive ion channel, plays a key role in regulating ILC2 functions by linking mechanical cues to biochemical signaling pathways. Both murine and human ILC2s strongly express Piezo1, and its activation by Yoda1 selectively enhances IL-13 production through calcium influx, which activates the mTOR-S6K pathway. This pathway leads to translational reprogramming, favoring IL-13 translation. Piezo1-deficient in ILC2s impairs this process, reducing IL-13 levels and resulting in attenuated lung inflammation and fibrosis in mouse models of IL-33- or Alternaria alternata-induced airway inflammation and bleomycin-induced fibrosis. These findings position Piezo1 as a critical mediator of ILC2-driven type-2 immune responses and highlight its potential as a therapeutic target for lung diseases characterized by excessive inflammation. This streamlined understanding of Piezo1 function improves focus on its mechanistic role in lung pathology.

2024-09-30 | GSE278085 | GEO

Role of Piezo1-mediated mechanotransduction in osteocyte differentiation

Project description:Mechanical force is a fundamental regulator of bone development and homeostasis. Mechanosensitive osteocytes are the most abundant bone cells that form interconnected dendrites to respond to mechanical stimuli and interact with the bone-forming osteoblasts and the bone-remodeling osteoclasts. However, the molecular mechanisms underlying osteocyte maturation and dendrite formation remain unclear. By generating a Piezo1 "knock-out" osteocyte cell line, we identified a key role of Piezo1-mediated mechanotransduction in osteocyte differentiation. QRT-PCR analysis revealed delayed osteocyte differentiation in the Piezo1 KO cells relative to WT cells. By performing bulk RNA sequencing of WT and Piezo1 KO OCY454 cells at early (D1), intermediate (D14), and late (D28) stages of differentiation allowed for the identification of key signaling pathways in driving normal osteocyte dfiferentiation, as well as those regulated by Piezo1 mechanotransduction.

2024-09-20 | GSE277264 | GEO

Role of Piezo1-mediated mechanotransduction in osteocyte differentiation

Project description:Role of Piezo1-mediated mechanotransduction in osteocyte differentiation

| PRJNA1161617 | ENA

Piezo1 channels restrain ILC2s and regulate the development of airway hyperactivity [yoda1]

Project description:Mechanosensitive ion channels sense force and pressure in immune cells to drive the inflammatory response in highly mechanical organs. Here we report that Piezo1 channels repress group 2 innate lymphoid cells (ILC2s)-driven type 2 inflammation in the lungs. Piezo1 is induced on lung ILC2s upon activation, as genetic ablation of Piezo1 in ILC2s increases their function and exacerbates the development of airway hyperreactivity (AHR). Conversely, Piezo1 agonist Yoda1 reduces ILC2-driven lung inflammation. Mechanistically, Yoda1 inhibits ILC2 cytokine secretion and proliferation in a KLF2-dependent manner, as we further found that Piezo1 engagement reduces ILC2 oxidative metabolism. Consequently, in vivo Yoda1 treatment notably reduces the development of AHR in experimental models of ILC2-driven allergic asthma. Human circulating ILC2s express and induce Piezo1 upon activation, as Yoda1 treatment of humanized mice reduces human ILC2-driven AHR. Our studies define Piezo1 as a critical regulator of ILC2s and we propose the potential of Piezo1 activation as a novel therapeutic approach for the treatment of ILC2-driven allergic asthma.

2024-02-20 | GSE255881 | GEO

Piezo1 channels restrain ILC2s and regulate the development of airway hyperactivity [piezo1KO]

2024-02-20 | GSE255882 | GEO

RNA-sequencing of wild type and Piezo1-Cko mice under sham or TAC surgery

Project description:Mechanotransduction has been lately recognized as a major regulator of organ homeostasis under a myriad of pathological conditions. The role of Piezo1 in cardiac hypertrophy has never been explored. Here we performed RNA-Seq assay for wild type and Piezo1-Cko mice under sham or TAC surgery.

2024-01-01 | GSE179107 | GEO

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

Piezo1 mediated mechanotransduction modulates macrophages proliferation during bone remodeling via PI3K-AKT-Ccnd1 axis

Project description:Macrophages play a pivotal role in mechanical force-induced inflammatory bone remodeling. Yet, how macrophages perceive mechanical stimuli and thereby modulate biological behaviors remain elusive. The orthodontic tooth movement (OTM) model was established to access the role of Piezo1 in modulating macrophage response upon mechanical stimuli. The potential functions and molecule mechanisms of Piezo1 were explored by bone marrow-derived macrophages (BMDMs) using mechanical stretch system, western blotting, immunofluorescence, flow cytometry and RNA sequencing. We first found macrophage proliferative phenotype enhanced at the later stage of force application. The biological variation mediated by mechanical force could be suppressed by Piezo1 inhibition. Furthermore, Piezo1 activated PI3K-AKT signaling was closely associated with macrophage proliferation upon mechanical stimuli. Additionally, Ccnd1 was authenticated as a critical downstream factor of PI3K-AKT signaling and conditional ablation of Ccnd1 in macrophages inhibited macrophage proliferation in mechanical force-induced bone remodeling procedure.

2024-12-08 | GSE190470 | GEO

Piezo1 mediated mechanotransduction modulates macrophages proliferation during bone remodeling via PI3K-AKT-Ccnd1 axis

Project description:Piezo1 mediated mechanotransduction modulates macrophages proliferation during bone remodeling via PI3K-AKT-Ccnd1 axis

| PRJNA787241 | ENA

Amino acid availability acts as a metabolic rheostat to determine the magnitude of ILC2 responses - WT ILC2

Project description:Group 2 innate lymphoid cells (ILC2) are functionally poised, tissue-resident lymphocytes that respond rapidly to damage and infection at mucosal barrier sites. ILC2 reside within complex microenvironments where they are subject to cues from both the diet and invading pathogens – including helminths. Emerging evidence suggests ILC2 are acutely sensitive not only to canonical activating signals, but also perturbations in nutrient availability. In the context of helminth infection, we identify amino acid availability as a nutritional cue in regulating ILC2 responses. ILC2 were found to be uniquely pre-primed to import amino acids via the large neutral amino acid transporters Slc7a5 and Slc7a8. Cell-intrinsic deletion of these transporters individually impaired ILC2 expansion, while concurrent loss of both transporters markedly impaired the proliferative and cytokine producing capacity of ILC2. Moreover, amino acid determined the magnitude of ILC2 responses in part via tuning of mTOR. These findings implicate essential amino acids as a metabolic requisite for optimal ILC2 responses within mucosal barrier tissues.

2022-12-22 | PXD038792 | Pride

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