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185 projects found

Key Regulatory Molecules of Cartilage Destruction in...

We have studied the expression profile of 3D cultured human chondrocytes that were stimulated with supernatant of synovial fibroblasts derived from a RA patient (RASF=HSE cell line) and from a normal donor (NDSF=K4IM cell line), respectively. For this purpose, passage 2 human chondrocytes were cultured for 14 days in alginate beads and subsequently stimulated for 48 hours with supernatant of RASF and NDSF. Baseline expression was determined of unstimulated chondrocytes. Differential genome-wi...

Keywords: dose response expression profiling by array

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Gene expression profiling of human monocytes and mon...

In this study we analyzed the gene expression profiles of human monocytes and monocyte-dervied-macrophages.

Keywords: Gene expression profiling macrophages expression profiling by array

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Gene expression in rheumatoid arthritis synovial macrophages

Macrophages from RA synovial fluids were compared to primary human blood-derived macrophages.

Keywords: disease state analysis expression profiling by array

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Human colon expression in healthy controls, colon-on...

Colon gene expression in human IBD. The three major clinical subsets of Inflammatory Bowel Disease (IBD) include colon-only Crohn's Disease (CD), ileo-colonic CD, and Ulcerative Colitis (UC). These experiments tested differential colon gene expression in these three types of IBD, relative to healthy control samples, and the local degree of mucosal inflammation as measured by the CD Histological Index of Severity (CDHIS). Colon biopsy samples were obtained from IBD patients at diagnosis and d...

Keywords: Single time point in CD and UC and healthy controls. expression profiling by array

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Expression data from human colonic biopsy sample

Gene expression profile based classification of colonic diseases are suitable for identification of diagnostic mRNA expression patterns which can establish the basis of a new molecular biological diagnostic method

Keywords: whole genomic expression expression profiling by array

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Mutual Antagonistic Relationship Between Prostagland...

PGE2 is a major mediator of inflammation and is present at high concentrations in the synovial fluid of rheumatoid arthritis (RA) patients. PGE2, acting through the EP4 receptor, has both pro- and anti-inflammatory roles in vivo. To shed light on this dual role of PGE2, we investigated its effects in whole blood and in primary human fibroblast-like synoviocytes. Gene expression analysis in human leukocytes, confirmed at the protein level, revealed an EP4-dependent inhibition of the expressio...

Keywords: NCBI GEO expression profiling by array

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Identification of markers of responsiveness in rheum...

Despite the increasing of available drugs in RA, the overall rate of non response is 30 to 40% of treated patients. To optimize the drug prescription and better elaborate the therapeutic strategies, gene profiling in PBMCs was used to predict the responsiveness to anakinra. Thirty two patients treated by anakinra (100mg/day s.c.) and méthotrexate, were categorized as responders whenever a change of Disease Activity Score 28 > 1.2 was obtained at 3 months. Blood from treated patients was colle...

Keywords: anakinra effect expression profiling by array

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Gene expression analysis of macrophages from ankylos...

OBJECTIVE: To determine whether macrophages, a type of cell implicated in the pathogenesis of ankylosing spondylitis (AS), exhibit a characteristic gene expression pattern. METHODS: Macrophages were derived from the peripheral blood of 8 AS patients (median disease duration 13 years [range <1-43 years]) and 9 healthy control subjects over 7 days with the use of granulocyte-macrophage colony-stimulating factor. Cells were stimulated for 24 hours with interferon-gamma (IFNgamma; 100 units/ml), ...

Keywords: Disease state analysis with treatment effect macrophages expression profiling by array

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