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Lats1/2 control TGF-beta directed EMT in the dorsal cranial neuroepithelium through YAP regulation

ABSTRACT: Lats1/2 control TGF-beta directed EMT in the dorsal cranial neuroepithelium through YAP regulation

PROVIDER: PRJNA757609 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15606765_1.fastq.gz	Fastqsanger.gz
	SRR15606765_2.fastq.gz	Fastqsanger.gz
	SRR15606766_1.fastq.gz	Fastqsanger.gz
	SRR15606766_2.fastq.gz	Fastqsanger.gz
	SRR15606767_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

Lats1/2 control TGF-beta directed EMT in the dorsal cranial neuroepithelium through YAP regulation

Project description:Hippo signaling, an evolutionarily conserved pathway involved in organ size control, has been implicated to play key roles in developmental processes of various tissues, but its role in craniofacial development has not been largely explored. To examine the function of the Hippo signaling kinase cascade, we inactivated Hippo components Lats1 and Lats2 in the cranial neuroepithelium of mouse embryos using a Wnt1CreSOR driver. Double conditional knock out (DCKO) of Lats1/2 resulted in neural tube and craniofacial defects. Lats1/2 DCKO mutant embryos presented a minute head with delayed and defective neural tube closure. Furthermore, neuroepithelial cell polarity and cell integrity were disrupted within the cranial neural tube in Lats1/2 DCKO mutants. Embryonic neural tube RNA-seq revealed increased TGF-beta signaling in absence of Lats1/2. Moreover, markers of epithelial-to-mesenchymal transition (EMT) were upregulated in the cranial neural tube. Notably, modulation of Hippo signaling downstream effectors Yap and Taz prevented neuroepithelial defects, aberrant EMT, and TGF-beta dysregulation caused by Lats1/2 deficiency, indicating that Lats1/2 function via canonical Hippo-Yap pathway. Together, our findings revealed important roles for Hippo signaling kinases in pre-migratory neural crest EMT and migration.

2022-09-05 | GSE182721 | GEO

LATS1/2 control TGFB-directed epithelial-to-mesenchymal transition in the murine dorsal cranial neuroepithelium through YAP regulation.

Project description:Hippo signaling, an evolutionarily conserved kinase cascade involved in organ size control, plays key roles in various tissue developmental processes, but its role in craniofacial development remains poorly understood. Using the transgenic Wnt1-Cre2 driver, we inactivated the Hippo signaling components Lats1 and Lats2 in the cranial neuroepithelium of mouse embryos and found that the double conditional knockout (DCKO) of Lats1/2 resulted in neural tube and craniofacial defects. Lats1/2 DCKO mutant embryos had microcephaly with delayed and defective neural tube closure. Furthermore, neuroepithelial cell shape and architecture were disrupted within the cranial neural tube in Lats1/2 DCKO mutants. RNA sequencing of embryonic neural tubes revealed increased TGFB signaling in Lats1/2 DCKO mutants. Moreover, markers of epithelial-to-mesenchymal transition (EMT) were upregulated in the cranial neural tube. Inactivation of Hippo signaling downstream effectors, Yap and Taz, suppressed neuroepithelial defects, aberrant EMT and TGFB upregulation in Lats1/2 DCKO embryos, indicating that LATS1/2 function via YAP and TAZ. Our findings reveal important roles for Hippo signaling in modulating TGFB signaling during neural crest EMT.

| S-EPMC9587805 | biostudies-literature

Lats1/2 suppress NFkB and aberrant EMT initiation to permit pancreas progenitor differentiation

Project description:The Hippo pathway directs cell differentiation during organogenesis, in part by restricting proliferation. How Hippo signaling maintains a proliferation-differentiation balance in developing tissues and its underlying molecular targets are poorly understood. Our study shows that Hippo suppresses NFκB signaling in pancreatic progenitors to permit cell differentiation and developmental progression. We found that pancreas-specific Lats1/2 kinase deletion (Lats1/2PanKO) from mouse progenitor epithelia results in failure to differentiate 3 key pancreatic lineages: acinar, ductal, and endocrine. We performed an unbiased transcriptome analysis to query the differentiation defects in Lats1/2PanKO. This analysis revealed increased NFκB activator expression, including the pantetheinase Vanin1 (Vnn1). Through in vivo and ex vivo studies, we show that VNN1 activates a detrimental cascade of processes in Lats1/2PanKO epithelium, whereby 1) NFκB activation and 2) initiation of epithelial-to-mesenchymal transition (EMT) together override normal differentiation. We show that exogenous stimulation of VNN1 or NFκB can also trigger this cascade in WT pancreatic progenitors. These findings show that pancreas development requires active suppression of NFκB by LATS1/2 kinases to restrain a cell-autonomous transcriptional program and thereby allow for differentiation.

2019-06-21 | GSE126551 | GEO

Lats1/2 suppress NFkB and aberrant EMT initiation to permit pancreas progenitor differentiation

Project description:Lats1/2 suppress NFkB and aberrant EMT initiation to permit pancreas progenitor differentiation

| PRJNA522354 | ENA

Genome-wide analysis of livers of control and Lats1/2 deficient neonatal mice [Microarray expression]

Project description:Lats1-/-;Lats2fl/fl;Alb-Cre pups and control pups were sacrificed at 1 day after birth Total mRNA obtained from livers in control and Lats1/2 deficient neonatal mice

2016-06-29 | E-GEOD-71872 | biostudies-arrayexpress

Genome-wide analysis of gene expression using in vitro cultured control and Lats1/2 deficient hepatoblasts [RNA-Seq]

Project description:RNA-sequencing results with in vitro cultured control and Lats1/2 deficient hepatoblasts, in vitro differentiated control and Lats1/2 deficient hepatocytes and biliary epithelial cells To investigate changes in gene expression by loss of Lats1 and Lats2 during hepatocyte or biliary epithelial cell differentiation, we performed multiplex RNA-sequecing with in vitro cultured hepatoblasts, in vitro differentiated hepatocytes and biliary epithelial cells

2016-06-29 | E-GEOD-71873 | biostudies-arrayexpress

The Hippo pathway kinase LATS1 scaffolds Beclin1 in autophagy regulation in hepatocellular carcinoma

Project description:Autophagy perturbation represents an emerging therapeutic strategy in cancer. The mammalian Hippo pathway is an evolutionary conserved tumor suppressive network, where the kinases LATS1/2 phosphorylate and inactivate oncogenic YAP/TAZ. Here, we demonstrated a pro-survival role of LATS1, but not LATS2, in hepatocellular carcinoma cells in response to sorafenib, a standard care of advanced HCC. Transcriptomic analysis revealed a restrictive role of LATS1 in autophagy regulation in HCC cells. Further, we found that the autophagy regulation by LATS1 was independent of its kinase activity. Instead, LATS1 stabilized autophagy core-machinery component Beclin 1 via promoting a non-canonical form of K27-linked ubiquitination, and consequently, inactive Beclin 1 self-dimer, in a E3 ligase NEDD4 dependent manner. Our study highlights a functional diversity between LATS1 and LATS2 and uncovers a scaffolding role of LATS1 in mediating a cross-talk between Hippo signalling and autophagy in HCC and therapy response.

2019-11-13 | GSE117116 | GEO

LATS1/2 Loss Promote Tumor Immune Evasion in Endometrial Cancer through Downregulating MHC-I Expression

Project description:LATS1/2 is frequently mutated and down-regulated in endometrial cancer (EC), but the contribution of LATS1/2 to endometrial tumor progression remains unclear. Here, we discovered an unexpected role of LATS1/2 in regulating MHC class I expression in EC. We demonstrate that the knockout of LATS1/2 in EC cells resulted in significant down-regulation of multiple genes of MHC/HLA Class I family and leaded to insensitivity to tumor immunotherapy. Furthermore, we found that the regulation of LATS1/2 on MHC/HLA expression does not depend on the classical Hippo pathway but on their direct interaction with STAT1 to phosphorylate STAT1 to promote STAT1 accumulating and moving into the nucleus to enhance the transcriptional activation of IRF1/NLRC5 on MHC-I. The kinase-dead mutant LATS1/2 attenuates STAT1 phosphorylation at Ser727. The expressions of LATS1/2, MHC-I, CD8A and p-STAT1（S727）are positive correlation in tissues of EC confirming our findings furtherly. Furthermore, LATS1/2 expression was negatively correlated with tumor stage in EC tissues. These findings reveal novel molecular mechanisms underlying tumor immunogenicity deficiency and elucidate the potential immunotherapy biomarker targeting LATS1/2 in EC.

2024-02-28 | GSE241847 | GEO

Identifying molecular mechanisms of neural crest (NC) EMT and cell migration

Project description:Purpose: To identify differntially expressed transcripts in TP-0903 treated embryos that impair cranila NC EMT and cell migration in zebrafish embryos Methods: zebrafish embryos treated at 13 hpf with 5-7uM TP-0903 and DMSO for 1-, 4- and 8-hrs at 28Â°C. 35 embryos were collected for each treatment. Results: TP-0903 increases expression of several retinoic acid target genes including genes from within the retinoid pathway Conclusions: TP-0903 causes a direct increase in RA signaling that impairs cranial NC EMT and cell migration in zebrafihs embryos mRNA profiles of zebrafish embryos treated with TP-0903 and DMSO were generated by RNA-Seq, in quadruplicates, using Illumina Hi Seq

2016-02-18 | E-GEOD-72322 | biostudies-arrayexpress

Breast cancer plasticity is restrictedby a LATS1-NCOR1 repressive axis [MARS-seq]

Project description:The tumor suppressor LATS1, whose expression is often downregulated in human breast cancer, helps maintain luminal breast cancer cell identity by keeping basal-specific genes in a closed chromatin state, preventing their spurious activation. This is achieved via interaction of LATS1 with the NCOR1 nuclear corepressor and recruitment of HDAC1,driving histone H3K27 deacetylation near NCOR1-repressed “basal” genes. Consequently, decreased expression of LATS1 elevates the expression of such “basal” genes and promotes luminal-to-basal slippage.

2022-10-19 | GSE195715 | GEO

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