Regulation of Angiogenesis by Prostaglandin E2
نویسندگان
چکیده
منابع مشابه
Regulation of immune responses by prostaglandin E2.
PGE(2), an essential homeostatic factor, is also a key mediator of immunopathology in chronic infections and cancer. The impact of PGE(2) reflects the balance between its cyclooxygenase 2-regulated synthesis and 15-hydroxyprostaglandin dehydrogenase-driven degradation and the pattern of expression of PGE(2) receptors. PGE(2) enhances its own production but suppresses acute inflammatory mediator...
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Chronic inflammation is a well-known risk factor for cancer. Proinflammatory mediators such as prostaglandin E2 (PGE2) promote colorectal tumor growth by stimulating angiogenesis, cell invasion, and cell growth, and inhibiting apoptosis. Molecules that regulate tumor-associated angiogenesis provide promising therapeutic targets for treatment of colorectal cancer (CRC) as indicated by the recent...
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PURPOSE Previous studies have shown that prostaglandin E2 is synthesized by rabbit corneal endothelial cells in culture and that PGE2 acts to increase synthesis of adenosine 3'-5'-monophosphate (cyclic AMP) and to inhibit endothelial migration in response to experimental wounds. The present study was undertaken to identify endogenously produced prostanoids, to evaluate the effect of PGE2 on cor...
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We have studied the role of prostaglandin E2 on the modulation of tumor necrosis factor by immunologically elicited and lipopolysaccharide treated murine macrophages. Indomethacin, a potent inhibitor of prostaglandin E2 production, caused a dose dependent augmentation of lipopolysaccharide induced tumor necrosis factor production (2-3 fold at 10(-7) molar). Tumor necrosis factor was released in...
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Extracellular nucleotides are primary signals for tissue injury, acting together with various chemical mediators such as prostanoids at the inflammatory site. We investigated whether prostaglandin E2 (PGE2) affects purinergic signaling in murine J774 macrophages. J774 cells expressed four different purinoceptor mRNAs: the ionotropic P2X4 and P2X7 receptors and G-protein-coupled P2Y2 and P2Y6 re...
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ژورنال
عنوان ژورنال: Oleoscience
سال: 2005
ISSN: 1345-8949
DOI: 10.5650/oleoscience.5.65