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Effect of norepinephrine and focal adhesion kinase (FAK) knockdown in prostate cancer

ABSTRACT: Effect of norepinephrine and focal adhesion kinase (FAK) knockdown in prostate cancer

PROVIDER: PRJNA488279 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7763426_1.fastq.gz	Fastqsanger.gz
	SRR7763426_2.fastq.gz	Fastqsanger.gz
	SRR7763427_1.fastq.gz	Fastqsanger.gz
	SRR7763427_2.fastq.gz	Fastqsanger.gz
	SRR7763428_1.fastq.gz	Fastqsanger.gz

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Effect of norepinephrine and focal adhesion kinase (FAK) knockdown in prostate cancer

Project description:Chronic stress is associated with hormonal alterations that are known to promote cancer progression. The stress hormone norepinephrine promotes migration and metastasis of prostate cancer cells. Focal adhesion kinase (FAK) is a non-receptor protein tyrosine kinase which is phosphorylated during chronic stress or norepinephrine treatment. Here, we investigated how norepinephrine modulates the gene expression in Myc-CaP prostate cancer cell line. We also focused on the effect of FAK knockdown in norepinephrine-induced changes of the gene expression profile.

2018-08-29 | GSE119157 | GEO

Focal Adhesion Kinase Dependent Expression

Project description:The goal of this study was to identify transcripts, which are differentially regulatulated in the presence and absence of Focal Adhesion Kinase. As Focal Adhesion Kinase activity can depend upon cell density (Snijder et al. Nature 2009), biological replicates where cells, were seeded very sparsely or confluently, were used. Focal Adhesion Kinase Knockout (ATCC CRL-2644) and Rescue Cells (Sieg et al. 1998, clone DA2) were seeded at two different concentrations. Replicas refer to biological replicates, performed on different days. Only one single technical replicate has been done per biological replicate.

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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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Fibroblast-specific focal adhesion kinase links mechanical force to fibrosis via chemokine-mediated inflammatory pathways

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siRNA profiling if human MCF-7 cell line to investigate the role of FAK, dominant-negative FAK, FAK-CD and FAKsiRNA in MCF-7 human breast cancer cell tumorigenesis

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Project description:Focal adhesion kinase (FAK) is an important mediator of extracellular matrix-integrin mechano-signal transduction that regulates cell motility, survival, and proliferation. As such, FAK is being investigated as a potential therapeutic target for malignant and fibrotic diseases, and numerous clinical trials of FAK inhibitors are underway. The function of FAK in non-malignant non-motile epithelial cells is not well understood. We previously showed that hepatocytes demonstrated activated FAK near stiff collagen tracts in fibrotic liver. In this study, we examined the role of liver epithelial FAK by inducing fibrotic liver disease in mice with liver epithelial FAK deficiency. We found that mice that lack FAK in liver epithelial cells develop more severe liver injury and worse fibrosis as compared to controls. Increased fibrosis in liver epithelial FAK-deficient mice is linked to the activation of several pro-fibrotic pathways, including the hedgehog-smoothened pathway. FAK-deficient hepatocytes produce increased Indian hedgehog in a matrix stiffness-dependent manner. Furthermore, there is increased expression of the hedgehog receptor, smoothened, in macrophages and biliary cells of hepatocyte-specific FAK-deficient fibrotic liver. These results indicate that liver epithelial FAK has important regulatory roles in the response to liver injury and progression of fibrosis.

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Project description:Hypertrophic scar (HTS) formation is characterized by exuberant fibroproliferation for reasons that remain poorly understood1. One important but often overlooked component of wound repair is mechanical force, which regulates reciprocal cell-matrix interactions through focal adhesion components including focal adhesion kinase (FAK)1,2. Here we report that FAK is activated following cutaneous injury and that this activation is potentiated by mechanical loading. Transgenic mice lacking fibroblast-specific FAK exhibit significantly less fibrosis in a preclinical model of HTS formation. Inflammatory pathways involving monocyte chemoattractant protein-1 (MCP-1), a chemokine highly implicated in human skin fibrosis3, are triggered following FAK activation, mechanistically linking physical force to fibrosis. Further, small molecule inhibition of FAK effectively abrogates fibroproliferative mechanisms in human cells and significantly reduces scar formation in vivo. Collectively, these findings establish a molecular basis for HTS formation based on the mechanical activation of fibroblast-specific FAK and demonstrate the therapeutic potential of targeted mechanomodulatory strategies. Wildtype murine tissue was harvested at either day 6 or 14 post-injury following 48 hours or 10 days of mechanical loading, respectively (n=4 mice per group per time point). Murine RNA was isolated, labeled, and hybridized to the GeneChip microarray according to the manufacturer’s protocols (Affymetrix, Santa Clara, CA, USA). Each gene in the microarray was represented by 20 oligonucleotide pairs, with each pair consisting of an oligonucleotide perfectly matched to the cDNA sequence, and a second oligonucleotide containing a single base mismatch. Raw microarray data (sample intensity files) were processed using GeneSpring GX 11.0 (Agilent Technologies Inc., Santa Clara, CA, USA).

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Project description:Investigtion of gene expression regulated by focal adhesion kinase (FAK) in murine squamous cell carcinoma cells.

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Investigtion of gene expression regulated by focal adhesion kinase (FAK) in murine squamous cell carcinoma cells.

Project description:RNA-Seq experiment with the aim to identy FAK- and FAK-kinase–dependent gene-sets in a murine squamous cell carcinoma (SCC) model.

2020-12-01 | GSE147670 | GEO

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