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G protein-coupled estrogen receptor stimulates human trophoblast cell invasion via YAP-mediated ANGPTL4 expression

ABSTRACT: G protein-coupled estrogen receptor stimulates human trophoblast cell invasion via YAP-mediated ANGPTL4 expression

PROVIDER: PRJNA762271 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15837208_1.fastq.gz	Fastqsanger.gz
	SRR15837208_2.fastq.gz	Fastqsanger.gz
	SRR15837210_1.fastq.gz	Fastqsanger.gz
	SRR15837210_2.fastq.gz	Fastqsanger.gz
	SRR15837212_1.fastq.gz	Fastqsanger.gz

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GDF-11 stimulates human extravillous trophoblast cell invasion by upregulating ANGPTL4 expression

Project description:Proper regulation of extravillous trophoblast (EVT) cell invasion is critical for normal placental development and function. Growth differentiation factor 11 (GDF-11), a member of the transforming growth factor-β (TGF-β) superfamily, has been shown to promote EVT cell invasion, yet the underlying molecular mechanisms remain largely unclear. In this study, RNA sequencing identified angiopoietin-like 4 (ANGPTL4), a multifunctional secreted protein, as a novel downstream target of GDF-11. In vitro experiments demonstrated that GDF-11 significantly upregulated ANGPTL4 expression in both HTR-8/SVneo cells and primary human EVT cells. Mechanistically, we found that the type I TGF-β receptors ALK4 and ALK5 were essential for mediating the stimulatory effect of GDF-11 on ANGPTL4 expression. Further analysis revealed that SMAD3, but not SMAD2, was the key transcription factor involved in this process. Using both loss- and gain-of-function approaches, we demonstrated that ANGPTL4 was required for GDF-11-induced EVT cell invasion. Importantly, serum levels of GDF-11 were markedly reduced in patients with preeclampsia (PE), a pregnancy disorder associated with shallow trophoblast invasion and poor placentation. Together, our findings uncover a previously unrecognized GDF-11-ANGPTL4 signaling axis that regulates EVT cell invasion and provide new insight into the pathophysiology of PE.

2025-10-21 | GSE305973 | GEO

GDF-11 stimulates human extravillous trophoblast cell invasion by upregulating ANGPTL4 expression

Project description:GDF-11 stimulates human extravillous trophoblast cell invasion by upregulating ANGPTL4 expression

| PRJNA1308547 | ENA

G protein-coupled estrogen receptor stimulates human trophoblast cell invasion via YAP-mediated ANGPTL4 expression

Project description:RNA sequencing was applied to HTR-8/SVneo human trophoblast cells in response to G1, an agonist of GPER, to identify the target genes of GPER.

2021-09-12 | GSE183879 | GEO

G protein-coupled estrogen receptor stimulates human trophoblast cell invasion via YAP-mediated ANGPTL4 expression.

Project description:Insufficient invasion of trophoblast cells into the uterine decidua is associated with preeclampsia (PE). G protein-coupled estrogen receptor (GPER) is a membrane estrogen receptor involved in non-genomic estrogen signaling. GPER is expressed in human trophoblast cells and downregulated GPER levels are noted in PE. However, to date, the role of GPER in trophoblast cells remains largely unknown. Here, we applied RNA sequencing (RNA-seq) to HTR-8/SVneo human trophoblast cells in response to G1, an agonist of GPER, and identified angiopoietin-like 4 (ANGPTL4) as a target gene of GPER. Treatment of trophoblast cells with G1 or 17β-estradiol (E2) activated Yes-associated protein (YAP), the major downstream effector of the Hippo pathway, via GPER but in a mammalian STE20-like protein kinase 1 (MST1)-independent manner. Using pharmacological inhibitors as well as loss- and gain-of-function approaches, our results revealed that YAP activation was required for GPER-stimulated ANGPTL4 expression. Transwell invasion assays demonstrated that activation of GPER-induced ANGPTL4 promoted cell invasion. In addition, the expression levels of GPER, YAP, and ANGPTL4 were downregulated in the placenta of patients with PE. Our findings reveal a mechanism by which GPER exerts its stimulatory effect on human trophoblast cell invasion by upregulating YAP-mediated ANGPTL4 expression.

| S-EPMC8589964 | biostudies-literature

Characterization of ANGPTL4 function in macrophages and adipocytes using Angptl4-knockout and Angptl4-hypomorphic mice

Project description:ANGPTL4 regulates plasma lipids, making it an attractive target for correcting dyslipidemia. However, ANGPTL4 inactivation in mice fed a high fat diet causes chylous ascites, an acute-phase response, and mesenteric lymphadenopathy. Here, we studied the role of ANGPTL4 in lipid uptake in macrophages and in the above-mentioned pathologies using Angptl4-hypomorphic and Angptl4-/- mice. Angptl4 expression in peritoneal and bone marrow-derived macrophages was highly induced by lipids. Recombinant ANGPTL4 decreased lipid uptake in macrophages, whereas deficiency of ANGPTL4 increased lipid uptake, upregulated lipid-induced genes, and increased respiration. ANGPTL4 deficiency did not alter LPL protein levels in macrophages. Angptl4-hypomorphic mice with partial expression of a truncated N-terminal ANGPTL4 exhibited reduced fasting plasma triglyceride, cholesterol, and non-esterified fatty acid levels, strongly resembling Angptl4-/- mice. However, during high fat feeding, Angptl4-hypomorphic mice showed markedly delayed and attenuated elevation in plasma serum amyloid A and much milder chylous ascites than Angptl4-/- mice, despite similar abundance of lipid-laden giant cells in mesenteric lymph nodes. In conclusion, ANGPTL4 deficiency increases lipid uptake and respiration in macrophages without affecting LPL protein levels. Compared with the absence of ANGPTL4, low levels of N-terminal ANGPTL4 mitigate the development of chylous ascites and an acute-phase response in mice.

2019-08-24 | GSE136240 | GEO

Characterization of ANGPTL4 function in macrophages and adipocytes using Angptl4-knockout and Angptl4-hypomorphic mice

Project description:Characterization of ANGPTL4 function in macrophages and adipocytes using Angptl4-knockout and Angptl4-hypomorphic mice

| PRJNA561718 | ENA

Comparative expression data between ANGPTL4+/+ and ANGPTL4-/- mice whole colon tissue during DSS or SA-induced inflammation.

Project description:Protracted inflammatory responses are signatures common to many gastrointestinal disorders. Severe and chronic disorders often bring about extensive tissue damage, in turn leading to hypercytokinemia. Here, we show that stimuli like dextran sulphate sodium salt (DSS) and stearic acid (SA) cause acute colonic inflammation, and ANGPTL4 is an important regulator in mediating the extent of colonic inflammation. Using comparative microarray gene expression analysis, we seek to identify genes whose expression are altered during inflammation between ANGPTL4+/+ and ANGPTL4-/- mice.

2017-03-28 | GSE78500 | GEO

Suppression of ANGPTL4 Reprograms Endothelial Cell Metabolism and Inhibits Angiogenesis

Project description:Angiopoietin-like 4 (ANGPTL4) is known to regulate various cellular and systemic functions. However, its cell-specific role in endothelial cells (ECs) function and metabolic homeostasis remains to be elucidated. Here, using endothelial-specific Angptl4 knock-out mice (Angptl4iEC), and transcriptomics and metabolic flux analysis, we demonstrate that ANGPTL4 is required for maintaining EC metabolic function vital for vascular permeability and angiogenesis. Knockdown of ANGPTL4 in ECs promotes lipase-mediated lipoprotein lipolysis, which results in increased fatty acid (FA) uptake and oxidation. This is also paralleled by a decrease in proper glucose utilization for angiogenic activation of ECs. Mice with endothelial-specific deletion of Angptl4 showed decreased pathological neovascularization with stable vessel structures characterized by increased pericyte coverage and reduced permeability. Together, our study denotes the role of endothelial-ANGPTL4 in regulating cellular metabolism and angiogenic functions of EC.

2023-11-22 | GSE211128 | GEO

ANGPTL4 binds to leptin receptor to regulate ectopic bone formation and fat metabolism

Project description:Leptin protein was thought to be unique to leptin receptor (LepR), but the phenotypes of mice with mutation in LepR (db/db) and leptin (ob/ob) are not identical, and the cause remains unclear. Here, we show that db/db, but not ob/ob mice had defect in tenotomy-induced heterotopic ossification (HO), implicating alternative ligand(s) for LepR might be involved. Ligand screening revealed that ANGPTL4, a stress and fasting-induced factor, was elicited from brown adipose tissue after tenotomy, bound to LepR on PRRX1+ mesenchymal cells at the HO cite, thus promotes chondrogenesis and HO development. Disruption of LepR in PRRX1+ cells, or lineage ablation of LepR+ cells, or deletion of ANGPTL4 impeded chondrogenesis and HO in mice. Surprisingly, exogenous ANGPTL4 treatment not only promoted HO, but facilitated the transformation from white to brown adipose tissue in mice. These findings identify ANGPTL4 as a novel ligand for LepR to stimulate HO and regulate fat metabolism.

2024-07-03 | PXD043087 | Pride

Role of YAP/TAZ-TEAD in human trophoblast

Project description:During placentation, placental cytotrophoblast cells differentiate into syncytiotrophoblast cells and extravillous trophoblast cells. In placenta, the expression of various genes is regulated by the Hippo pathway through the transcriptional coactivator YAP/TAZ-TEAD activity. To examine the effect of YAP/TAZ and/or TEAD on trophoblast differentiation, knockdown experiments were performed. Microarray analysis were performed to identify YAP/TAZ and/or TEAD target genes in human trophoblast.

2022-07-17 | GSE182900 | GEO

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