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Gene expression in human endothelial cell with innate immunity stimulation

ABSTRACT: This is an investigation of whole genome gene expression level in human coronary endothelial cells (HCAEC) and human pulmonary endothelial cells (HPAEC) stimulated by FK565 or LipidA. We show that parenteral administration of a pure synthetic Nod1 ligand, FK565, induces site-specific vascular inflammation in mice, which is prominent in and aortic root including aortic valves, slight in aorta and absent in other arteries. The in vitro production of proinflammatory chemokine/cytokine by FK565 is higher in HCAEC than in HPAEC, suggesting that site-specific vascular inflammation is at least in part ascribed to an intrinsic nature of the vascular cell itself.

ORGANISM(S): Homo sapiens

PROVIDER: GSE20929 | GEO | 2011/03/01

SECONDARY ACCESSION(S): PRJNA124369

REPOSITORIES: GEO

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Gene expression in human endothelial cell with innate immunity stimulation

Project description:This is an investigation of whole genome gene expression level in human coronary endothelial cells (HCAEC) and human pulmonary endothelial cells (HPAEC) stimulated by FK565 or LipidA. We show that parenteral administration of a pure synthetic Nod1 ligand, FK565, induces site-specific vascular inflammation in mice, which is prominent in and aortic root including aortic valves, slight in aorta and absent in other arteries. The in vitro production of proinflammatory chemokine/cytokine by FK565 is higher in HCAEC than in HPAEC, suggesting that site-specific vascular inflammation is at least in part ascribed to an intrinsic nature of the vascular cell itself. A six chip study using total RNA recovered from HCAEC and HPAEC which were stimulated by LipidA or FK565 in vitro. HCAEC and HPAEC were stimulated with FK565 (10µg/mL) or LipidA (100ng/mL) for 24 hours in 12-well plates (10,000 cells/cm2). Total RNA was extracted and subjected to RNA microarray analysis.

2011-03-01 | E-GEOD-20929 | biostudies-arrayexpress

Gene expression in tissues of Mus musculus with innate immunity stimulation

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Gene expression in tissues of Mus musculus with innate immunity stimulation

Project description:This is an investigation of whole genome gene expression level in tissues of mice stimulated by LPS, FK565 or LPS + FK565 in vivo and ex vivo. We show that parenteral administration of a pure synthetic Nod1 ligand, FK565, induces site-specific vascular inflammation in mice, which is prominent in aortic root including aortic valves, slight in aorta and absent in other arteries. The degree of respective vascular inflammation is associated with persistent high expression of proinflammatory chemokine/cytokine genes in each tissue in vivo by microarray analysis, and not with Nod1 expression levels. The ex vivo production of proinflammatory chemokine/cytokine by Nod1 ligand is higher in aortic root than in other arteries from normal murine vascular tissues, and also higher in human coronary artery endothelial cells (HCAEC) than in human pulmonary artery endothelial cells (HPAEC), suggesting that site-specific vascular inflammation is at least in part ascribed to an intrinsic nature of the vascular tissue/cell itself. A fourty chip study using total RNA recovered from four isolated tissues of mice which were stimulated by various reagents. Aortic root, pulmonary artery, aorta and spleen of mice in 3 groups: 1) intraperitoneal injection of 20M-NM-<g of LPS priming only, 2) oral administration of FK565 (100M-NM-<g) for consecutive days, 3) oral administration of FK565 (100M-NM-<g) for consecutive days 1 day after LPS priming, at day 2, 4, and 7. And six chip study using total RNA recovered from three isolated vascular tissues of mice which were stimulated by FK565 (10M-NM-<g/mL) ex vivo.

2011-03-01 | E-GEOD-20930 | biostudies-arrayexpress

Gene expression in fetal aortic arteries of C57BL/6 mice with Nod1 stimulation

Project description:We previously demonstrated that an innate immune receptor, the nucleotide-binding oligomerization domain-1 (Nod1), was involved in the vascular disease in young and adult mice. However, little is known about the role of Nod1 signaling in fetuses. We administered FK565, one of the Nod1 ligands, to pregnant C57BL/6 mice and examined its effect in the fetuses. Nod1 stimulation increased levels of cytokines in the pregnant mice, placentae and fetuses. We found that FK565 which was administered to the pregnant mice transferred to the fetuses through the placentae, and exerted its effects on fetuses in vivo. Nod1 was abundantly expressed in the arteries, and the vascular tissues predominantly produced CCL2 and IL-6 in response to FK565 compared with other fetal tissues. FK565 induced up-regulation of genes associated with immune response, inflammation and apoptosis in fetal vascular tissues.

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2011-04-04 | E-GEOD-21212 | biostudies-arrayexpress

Expression profiling of Endothelial (EC) and Non-endothelial Cells

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Gene expression in aortic roots of Apoe KO mice with Nod1 stimulation

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Gene expression in aortic roots of Apoe KO mice with Nod1 stimulation

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Expression data from cardiac CD11c+MHC II+ cells

2015-03-31 | GSE60506 | GEO

Expression data from cardiac CD11c+MHC II+ cells

Project description:We previously reported that a synthetic Nod1 ligand, FK565, induced coronary arteritis in mice similar to Kawasaki disease. However, the molecular mechanisms underlying this site-specific inflammation have remained elusive. In this study, we found that CD11c+MHC class II+ cells accumulated in the heart of FK565-treated mice prior to arteritis development. We used microarray analysis to detail gene expression of CD11c+MHC class II+ cells. To obtain gene expression profile of CD11c+MHC class II+ cells, we isolated these cells from hearts of FK565-treated mice. Briefly, female mice at 8weeks age were administered 500 μg of FK565 subcutaneously at day 0 and day 3. At day6, murine hearts were removed and digested with collagenase. CD11c+MHC II+ cells were sorted as PI–CD45+Ly6G–NK1.1–CD11b+CD11c+MHC II+ using FACS Aria cell sorter (BD Biosciences). Sorted cells were subjected to RNA preparation. Two independent replicates from ten mice were made.

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