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Expression data from FAK null mouse embryonic fibroblasts treated with endothelin-1

ABSTRACT: Endothelin-1 (ET-1) plays a critical role in connective tissue remodeling by fibroblasts during tissue repair and fibrosis. We investigated the molecular pathways in the transmission of ET-1 signals that lead to features of connective tissue remodeling, in particular the role of FAK (focal adhesion kinase). We used microarrays to investigated whether FAK is required for ET-1 to promote the global programme of gene expression underlying myofibroblast formation and identified distinct classes of up-regulated genes during this process. Genes whose induction by ET-1 required FAK

ORGANISM(S): Mus musculus

PROVIDER: GSE30356 | GEO | 2012/07/01

SECONDARY ACCESSION(S): PRJNA143633

REPOSITORIES: GEO

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Expression data from FAK null mouse embryonic fibroblasts treated with endothelin-1

Project description:Endothelin-1 (ET-1) plays a critical role in connective tissue remodeling by fibroblasts during tissue repair and fibrosis. We investigated the molecular pathways in the transmission of ET-1 signals that lead to features of connective tissue remodeling, in particular the role of FAK (focal adhesion kinase). We used microarrays to investigated whether FAK is required for ET-1 to promote the global programme of gene expression underlying myofibroblast formation and identified distinct classes of up-regulated genes during this process. Genes whose induction by ET-1 required FAK Affymetrix Mouse Genome 430 2.0 GeneChips were used to identify differential gene expression changes bewteen samples.

2012-06-30 | E-GEOD-30356 | biostudies-arrayexpress

Progenitor-derived endothelin controls dermal sheath contraction for hair follicle regression

Project description:Progenitor cell death and dermal papilla relocation during the regression phase of the hair growth cycle are essential for stem cell activation and follicle regeneration. This drastic follicle remodeling is coordinated by dermal sheath (DS) smooth muscle contraction, but how DS-generated forces are regulated is unknown. Here, we identify endothelin signaling - a potent vasoconstriction-regulating pathway - as the key activating mechanism of DS contraction. Pharmacological blocking or genetic ablation of both endothelin receptors, ETA and ETB, impedes DS contraction and halts follicle regression. Progenitors at the epithelial strand bottleneck are the main source of endothelin ligand ET-1, which is required for follicle regression. ET signaling in DS cells and downstream contraction is dynamically regulated by cytoplasmic Ca2+ levels via cell membrane and sarcoplasmic reticulum calcium channels. Together, these findings illuminate an epithelial-mesenchymal-interaction paradigm in which progenitors - before undergoing programmed cell death - control the contraction of the surrounding sheath smooth muscle to orchestrate homeostatic tissue regression and follicle reorganization.

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Transcription profiling of mouse cranial neural crest cells of E11.5 wild type and FAK mutants (valle-affy-mouse-480721)

Project description:Cranial neural crest cells (NCC) give rise to the majority of the cartilage, bone, connective tissue, and sensory ganglia in the head, and also participate in the remodeling of the cardiac outflow tract and pharyngeal arch arteries during cardiovascular development. Our preliminary results show that targeted deletion of focal adhesion kinase (FAK) in murine NCC results in cardiovascular and craniofacial alterations, resembling human congenital heart diseases The objective of this project is to elucidate the underlying mechanisms by which FAK mediates NCC function during development. Compare gene expression in cranial neural crest cells of E11.5 wild type and FAK mutants. FAK is a tyrosine kinase that transduces integrin and growth factor signaling pathways. Abnormal growth factor signaling leads to cardiovascular malformations caused by deficient cardiac NCC function. However, a direct role for FAK in NCC morphogenesis has not been demonstrated. We will test the hypothesis that FAK is a downstream target of essential growth factor signaling in cranial neural crest cells during development. 1) Generate E11.5 mouse embryos that are either control (FAK+/flox) or NCC specific FAK knockout (Wnt1Cre;FAKflox/flox). 2) Determine genotype by PCR. 3) Dissect head and torax from the different genotypes. 4) Obtain NCC from dissected tissue by magnetic cell sorting using p75 antibody. 5) Prepare total RNA from speciments. We will pool the NCC from 3 different embryos of the same genotype, and send total RNA to TGEN for probe preparation, hybridization and array result analysis.

2008-06-11 | E-GEOD-11149 | biostudies-arrayexpress

Cranial neural crest cells of E11.5 wild type and FAK mutants (valle-affy-mouse-480721)

2008-05-06 | GSE11149 | GEO

Vascular gene expression in mice overexpressing human endothelin-1 targeted to the endothelium

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Endothelin-1-Endothelin B complex contributes to oligodendrocyte differentiation and myelin deficits during preterm white matter injury

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Blockade of Endothelin Receptors Mitigates SARS-CoV-2-induced Osteochondral Damage

Project description:Previous studies have detected the presence of SARS-CoV-2 viral proteins in bronchial cartilage chondrocytes. We hypothesised that the leakage of viral proteins to local joint tissue was due to virus-induced endothelial dysfunction. Studies have also shown upregulation of endothelin-1 (ET-1), the most potent vasoconstrictor, in COVID patients. We are investigating the direct effect of SARS-CoV-2 spike protein (SP) and the host response to chondrocytes. Human mesenchymal stem cells (hMSCs)-differentiated chondrocytes were treated with either full-length SARS-CoV-2 spike protein (SP) only or a combination of spike protein, neutralising antibody to S1 and endothelin-1 (SAE) to mimic viral insult and host response respectively. RNA sequencing was performed to compared the change in transcriptome in control, SP and SAE. All samples were processed in the same batch. Default quality control parameters were used.

2024-05-08 | GSE267009 | GEO

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Project description:Purpose: The goals of this study are to compare the effect of FAK activity on gene expression of NGS-derived RNA-sequencing during vascular remodeling.

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Transcriptome analysis of Endothelin-3 or Neurotensin treated MuSCs

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Role of FAK, dominant-negative FAK, FAK-CD and FAKsiRNA in MCF-7 human breast cancer cell tumorigenesis

Project description:Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that plays an important role in proliferation, motility, adhesion, invasion, angiogenesis, and survival signaling. Focal adhesion kinase has been shown to be overexpressed in many types of tumors, including breast cancer at early stages of tumorigenesis. To study the biological role of FAK in breast tumorigenesis, we used FAKsiRNA to down-regulate FAK in MCF-7 cell lines.

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