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Normal and injured liver sinusoidal endothelial cells

ABSTRACT: Comparison of C57BL/6J 8-10 weeks male mouse liver sinusoidal endothelial cells (LSEC) from normal liver and from liver injured by carbon tetrachloride administration. Keywords: other

ORGANISM(S): Mus musculus

PROVIDER: GSE1689 | GEO | 2004/10/01

SECONDARY ACCESSION(S): PRJNA90649

REPOSITORIES: GEO

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Normal and injured liver sinusoidal endothelial cells

Project description:Comparison of C57BL/6J 8-10 weeks male mouse liver sinusoidal endothelial cells (LSEC) from normal liver and from liver injured by carbon tetrachloride administration. Keywords: other

2004-10-01 | E-GEOD-1689 | biostudies-arrayexpress

PROTEOMIC ANALYSIS OF DYSFUNCTIONAL LIVER SINUSOIDAL ENDOTHELIAL CELLS REVEALS SUBSTANTIAL DIFFERENCES IN MOST COMMON EXPERIMENTAL MODELS OF CHRONIC LIVER DISEASES.

Project description:Molecular markers of dedifferentiation of dysfunctional liver sinusoidal endothelial cells (LSEC), have not been fully elucidated. We aimed at deciphering the molecular profile of dysfunctional LSEC in different pathological scenarios. Flow cytometry was used to sort CD11bˉ/CD32b+ and CD11bˉ/CD32bˉLSEC from three rat models of liver disease (bile duct ligation-BDL, inhaled carbon tetrachloride-CCl4 and high fat glucose/fructose diet-HFGFD). Full proteomic profile was performed applying nano-scale liquid chromatography tandem mass spectrometry (nLC-MS) and analyzed with PEAKS software. The percentage of CD32bˉ LSEC varied across groups, suggesting different capillarization processes. Both CD32+ and CD32bˉLSEC from models are different from control LSEC but differently expressed proteins in CD32bˉLSEC are significantly higher. Heatmaps evidenced specific protein expression patterns for each model. Analysis of biological significance comparing dysfunctional CD32bˉLSEC with specialized CD32b+ LSEC from controls showed central similarities represented by 45 common downregulated proteins involved in the suppression of the endocytic machinery and 63 common upregulated proteins associated with the actin-dependent cytoskeleton reorganization. In summary, substantial differences but also similarities in dysfunctional LSEC from the three most common models of liver disease were found, supporting the idea that LSEC may harbor different protein expression profiles according to the etiology or disease stage.

2023-10-24 | PXD040661 | Pride

VEGF-A stimulated gene expression in human liver sinusoidal endothelial cells

Project description:Transcriptomic analysis of VEGF-A stimulated liver sinusoidal endothelial cell gene expression. Untreated cells were compared to those treated with VEGF-A. VEGF-A stimulation is critical for normal LSEC phenotype, and the response to liver injury Two conditions: untreated vs. VEGF-A treated. LSEC from 2 donors were pooled. 4 technical repeats.

2013-06-01 | E-GEOD-41110 | biostudies-arrayexpress

Expression data from fatty acid and bile acid receptor agonist treated liver sinusoidal endothelial cells

Project description:Liver sinusoidal endothelial cells (LSEC) are unique endothelial cell typelining the sinusoids of the liver and we have shown that these cells respond in a unique matter when exposed to saturated and unsaturated free fatty acids (FFA) and bile acids. We used microarray to analyze the transcriptional differences between the LSEC exposed to free fatty acids and bile acid receptor agonists to further shed light on their role in non-alcoholic fatty liver disease. The Murine Liver Sinusoidal Endothelial Cell Line (TSEC) was treated with palmitic and oleic acid or the bile acid receptor agonist INT-767 for 8 hours. Total RNA was then harvested to determine transcriptional differences.

2015-05-07 | E-GEOD-67651 | biostudies-arrayexpress

Gene expression of liver sinusoidal endothelial cells from an 8-week-old WT and ob/ob mouse

Project description:Obesity may promote myeloid cell accumulation in liver. Intravital liver tissue imaging revealed that the number of myeloid cells attached to sinusoidal wall significantly increased in ob/ob mice. To assess the pathophysiological roll of liver sinusoidal endothelial cells (LSEC) in obese livers, we performed microarray analysis in LSEC isolated from an 8-week-old wild-type and ob/ob mouse. Pathway analysis in microarray data shows genes related to cell adhesion, chemokine signaling and leukocyte transendothelial migration are upregulated in LSEC from ob/ob.

2017-02-15 | GSE84019 | GEO

VEGF-A stimulated gene expression in human liver sinusoidal endothelial cells

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Expression data of primary murine liver sinusoidal endothelial cells after 10 weeks of CDAA diet

Project description:Liver sinusoidal endothelial cells (LSEC) constitute discontinuous, permeable microvessels, with a characteristic program of gene expression that differs significantly from continuous microvascular endothelial cells e.g. in the lung. LSEC play a pivotal role in liver fibrogenesis in the CDAA dietary model of non-alcoholic steatohepatitis (NASH). We used microarrays to analyse the program of gene expression in murine liver endothelial cells after 10 weeks of CDAA diet.

2020-09-15 | GSE140994 | GEO

GIMAP5 maintains liver sinusoidal endothelial cell identity and prevents portal hypertension

Project description:Chronic liver disease is a major leading cause of portal hypertension that affects approximately 1.5 billion people globally. We show that GIMAP5, a small organellar GTPase, is selectively expressed in liver endothelial cells and human GIMAP5 deficiency causes portal hypertension with capillarization of liver sinusoidal endothelial cells (LSECs). LSEC capillarization is recapitulated in GIMAP5 loss-of-function (LOF) mice, and upon conditional Gimap5 deletion in endothelial cells. Single cell RNA-sequencing analyses reveals replacement of LSECs with capillarized endothelial cells and expansion of liver lymphatic endothelial cells in GIMAP5 LOF mice, and places GIMAP5 upstream of GATA4, a transcription factor required for LSEC-specification. Our studies reveal that GIMAP5 prevents portal hypertension by maintaining LSEC identity and suggest that LSEC is an induced endothelial cell state.

2021-03-01 | GSE158988 | GEO

Expression data of Gata4 endothelial cell-subtype specific knockout primary murine liver sinusoidal endothelial cells

Project description:Liver sinusoidal endothelial cells (LSEC) constitute discontinuous, permeable microvessels, with a characteristic program of gene expression that differs significantly from continuous microvascular endothelial cells e.g. in the lung. Gata4 is described as master regulator of LSEC specification during liver development. Here, we sought to analyze the role of endothelial Gata4 in the adult liver. We used microarrays to analyse the program of gene expression in murine liver endothelial cells with Gata4 deficiency.

2020-09-15 | GSE141001 | GEO

Expression data from fatty acid and bile acid receptor agonist treated liver sinusoidal endothelial cells

2015-05-07 | GSE67651 | GEO

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