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Browsing by Author "He, Qing Wen"

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Early growth response factor-1 mediates prostaglandin E2-dependent transcriptional suppression of cytokine-induced tumor necrosis factor-α gene expression in human macrophages and rheumatoid arthritis-affected synovial fibroblasts

Faour, Wissam; Alaaeddine, Nada; Mancini, Arturo; He, Qing Wen; Jovanovic, Dragan; Di Battista, John (2015-10-23)

Tumor necrosis factor-α (TNF-α) is a pleiotropic proinflammatory cytokine that modulates a broad range of inflammatory and immunological processes. We have investigated the potential immunomodulatory properties of prostaglandin ...
Nimesulide, a preferential cyclooxygenase 2 inhibitor, suppresses peroxisome proliferator‐activated receptor induction of cyclooxygenase 2 gene expression in human synovial fibroblasts: Evidence for receptor antagonism

Faour, Wissam; Kalajdzic, Tanja; He, Qing Wen; Fahmi, Hassan; Martel-Pelletier, Johanne; Pelletier, Jean-Pierre; Di Battista, John (2016-05-17)

Objective To characterize the inhibitory effects of therapeutic concentrations of the nonsteroidal antiinflammatory drug nimesulide (NIM) on peroxisome proliferator-activated receptor (PPAR)-induced cyclooxygenase 2 (COX-2) ...
Prostaglandin E2 regulates the level and stability of cyclooxygenase-2 mRNA through activation of p38 mitogen-activated protein kinase in interleukin-1β-treated human synovial fibroblasts

Faour, Wissam; He, Yulan; He, Qing Wen; De ladurantaye, Manon; Quintero, Maritza; Mancini, Arturo; Di Battista, John (2015-10-23)

The p38 MAPK mediates transcriptional and post-transcriptional control of cyclooxygenase-2 (COX-2) mRNA following interleukin-1(IL-1)/lipopolysaccharide cellular activation. We explored a positive feedback, prostaglandin ...
Prostaglandin E2 stimulates p53 transactivational activity through specific serine 15 phosphorylation in human synovial fibroblasts ROLE IN SUPPRESSION OF c/EBP/NF-κB-MEDIATED MEKK1-INDUCED MMP-1 EXPRESSION

Faour, Wissam; He, Qing Wen; Mancini, Arturo; Jovanovic, Dragan; Antoniou, John; Di Battista, John (2016-05-09)

Cyclooxygenase-2 (COX-2) overexpression has been linked to cell survival, transformation, and hyperproliferation. We examined the regulation of the tumor suppressor gene p53 and p53 target genes by prostaglandin E2 (PGE2) ...
T-cell-derived interleukin-17 regulates the level and stability of cyclooxygenase-2 (COX-2) mRNA through restricted activation of the p38 mitogen-activated protein kinase cascade

Faour, Wissam; Mancini, Arturo; He, Qing Wen; Di Battista, John (2015-10-23)

Although interleukin-17 (IL-17) is the pre-eminent T-cell-derived pro-inflammatory cytokine, its cellular mechanism of action remains poorly understood. We explored novel signaling pathways mediating IL-17 induction of the ...

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