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Hsa_circ_102049 promotes liver metastasis of colorectal cancer by up-regulating Fraser extracellular matrix complex subunit 1

ABSTRACT: Hsa_circ_102049 promotes liver metastasis of colorectal cancer by up-regulating Fraser extracellular matrix complex subunit 1

PROVIDER: PRJNA616235 | ENA |

REPOSITORIES: ENA

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Hsa_circ_102049 promotes liver metastasis of colorectal cancer by up-regulating Fraser extracellular matrix complex subunit 1

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-02-08 | GSE147711 | GEO

A combinatorial extracellular matrix platform identifies cell-extracellular matrix interactions that correlate with metastasis

Project description:Extracellular matrix interactions play essential roles in normal physiology and many pathological processes. Here, we report a novel screening platform capable of measuring phenotypic responses to combinations of ECM molecules. While the importance of ECM interactions in metastasis is well documented, systematic approaches to identify their roles in distinct stages of tumorigenesis have not been described. Using a genetic mouse model of lung adenocarcinoma, we measured the ECM-dependent adhesion of tumor-derived cells. Hierarchical clustering of adhesion profiles generated using this platform differentially segregated metastatic cell lines from primary tumor lines. Furthermore, we uncovered that metastatic cells selectively associate with fibronectin when in combination with galectin-3, galectin-8, or laminin. These interactions appear to be mediated in part by Î±3Î²1 integrin both in vitro and in vivo. We show that these galectins also correlate with human disease at both a transcriptional and histological level. Thus, our in vitro platform allowed us to interrogate the interactions of metastatic cells with their surrounding environment, and identified ECM and integrin interactions that could lead to therapeutic targets for metastasis prevention. Cell lines derived from murine lung primary adenocarcinomas and their metastases (Winslow et al., 2011 Nature 473:101-104)

2012-10-11 | E-GEOD-40222 | biostudies-arrayexpress

A combinatorial extracellular matrix platform identifies cell-extracellular matrix interactions that correlate with metastasis

Project description:Extracellular matrix interactions play essential roles in normal physiology and many pathological processes. Here, we report a novel screening platform capable of measuring phenotypic responses to combinations of ECM molecules. While the importance of ECM interactions in metastasis is well documented, systematic approaches to identify their roles in distinct stages of tumorigenesis have not been described. Using a genetic mouse model of lung adenocarcinoma, we measured the ECM-dependent adhesion of tumor-derived cells. Hierarchical clustering of adhesion profiles generated using this platform differentially segregated metastatic cell lines from primary tumor lines. Furthermore, we uncovered that metastatic cells selectively associate with fibronectin when in combination with galectin-3, galectin-8, or laminin. These interactions appear to be mediated in part by α3β1 integrin both in vitro and in vivo. We show that these galectins also correlate with human disease at both a transcriptional and histological level. Thus, our in vitro platform allowed us to interrogate the interactions of metastatic cells with their surrounding environment, and identified ECM and integrin interactions that could lead to therapeutic targets for metastasis prevention.

2012-10-11 | GSE40222 | GEO

RORγ modulates the extracellular matrix to facilitate hepatocellular carcinoma growth and metastasis

Project description:Approximately 80%-90% of hepatocellular carcinomas (HCC) occur in a premalignant environment of fibrosis and abnormal extracellular matrix (ECM), predicting an essential role of abnormal matrix in the tumorigenesis and progress of HCC. However, the determinants of ECM in HCC are poorly defined. Here, we show that nuclear receptor RORγ is highly expressed and amplified in HCC tumors. RORγ functions as an essential activator of the matrisome program via directly driving the expression of major ECM genes in HCC cells. The elevated RORγ increased Fibronectin-1 deposition, cell-matrix adhesion, collagen production and cross-linkling, creating a favorable microenvironment to boost liver cancer metastasis. Moreover, RORγ antagonists effectively inhibit tumor growth and metastasis via ECM remodeling in multiple HCC xenografts and immune-intact models, and they effectively sensitize HCC tumors to sorafenib therapy in mice. Notably, the elevated RORγ expression is associated with ECM remodeling and metastasis in patients with HCC. Taken together, we identify RORγ as a key player in HCC progression by remodeling ECM and as an attractive therapeutic target for advanced HCC.

2024-01-24 | GSE234660 | GEO

Neural extracellular matrix regulates visual sensory motor integration

Project description:Visual processing depends on sensitive and balanced synaptic neurotransmission. Extracellular matrix proteins in the environment of cells are key modulators in synaptogenesis and synaptic plasticity. In the present study, we provide evidence that the combined loss of the four extracellular matrix components brevican, neurocan, tenascin-C and tenascin-R in quadruple knockout mice leads to severe retinal dysfunction and diminished visual motion processing in vivo. Remarkably, impaired visual motion processing was accompanied by a developmental loss of cholinergic direction-selective starburst amacrine cells. Additionally, we noted imbalance of inhibitory and excitatory synaptic signaling in the quadruple knockout retina. Collectively, the study offers novel insights into the functional importance of four key extracellular matrix proteins for retinal function, visual motion processing and synaptic signaling.

2023-12-18 | GSE230425 | GEO

Extracellular Matrix Formation Enhances the Ability of Streptococcus pneumoniae to Cause Invasive Disease

Project description:Background. During infection, pneumococci exist mainly in sessile biofilms rather than in planktonic form, except during sepsis. However, relatively little is known about how biofilms contribute to pneumococcal pathogenesis. Methods. We performed a biofilm assay and mouse infection experiments on opaque and transparent variants of a clinical serotype 19F strain. Results. After 4 days incubation, scanning electron microscopy revealed that opaque biofilm bacteria produced an extracellular matrix, whereas the transparent variant did not. The opaque biofilm-derived bacteria translocated from the nasopharynx to the lungs and brain of mice, and showed 100-fold greater in vitro adherence to A549 cells. Microarray analysis of planktonic and sessile bacteria from transparent and opaque variants showed differential gene expression in two operons: the lic operon, involved in choline uptake, and in the two-component system, ciaRH. Mutants of these genes did not form an extracellular matrix, could not translocate from the nasopharynx to the lungs or the brain, and adhered poorly to A549 cells. Conclusions. We conclude that only the opaque phenotype is able to form extracellular matrix, and that the lic operon and ciaRH contribute to this process. We propose that during infection, extracellular matrix formation enhances the ability of pneumococci to cause invasive disease. Data is also available from http://bugs.sgul.ac.uk/E-BUGS-117

2011-04-20 | E-BUGS-117 | biostudies-arrayexpress

Microglial remodeling of the extracellular matrix promotes synapse plasticity

Project description:Microglial remodeling of the extracellular matrix promotes synapse plasticity

| PRJNA633361 | ENA

Extracellular matrix remodeling regulates glucose metabolism through TXNIP destabilization

Project description:Extracellular matrix remodeling regulates glucose metabolism through TXNIP destabilization

| PRJNA414447 | ENA

Phytochrome-based extracellular matrix with reversibly tunable mechanical properties

Project description:Phytochrome-based extracellular matrix with reversibly tunable mechanical properties

| PRJNA515303 | ENA

Analysis of extracellular matrix and adhesion molecules expression in ALL cell line

Project description:The acute lymphoblastic leukemia cells lines JM-1, REH, Nalm-27, and SUP-B15 were analyzed for baseline expression of extacellular matrix and adhesion molecules using a pathway focused cDNA microarray (SABiosciences). RNA isolated from the ALL cell lines JM-1, REH, Nalm-27, and SUP-B15 was analyzed using the Extracellular Matrix and Adhesion Molecules Oligo GEArray (SABIosciences).

2010-05-01 | E-GEOD-18516 | biostudies-arrayexpress

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