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Title: Effect of nitric oxide releasing paracetamol and flurbiprofen on cytokine production in human blood
Authors: Marshall, M.
Moore, P.K. 
Keywords: Blood
TNF-α (tumour necrosis factor-α)
Issue Date: 12-Jan-2004
Citation: Marshall, M., Moore, P.K. (2004-01-12). Effect of nitric oxide releasing paracetamol and flurbiprofen on cytokine production in human blood. European Journal of Pharmacology 483 (2-3) : 317-322. ScholarBank@NUS Repository.
Abstract: Exposure of anti-coagulated human blood to Escherichia coli lipopolysaccharide (50 ng/ml) resulted in the time-dependent (maximum at 5 h) biosynthesis of interleukin-1β and tumour necrosis factor-α (TNF-α). Preincubation with nitroparacetamol or nitroflurbiprofen (but not paracetamol or flurbiprofen) caused dose-related inhibition of the formation of interleukin 1β (IC50s, 44.5 and 362 μM, n=12) and tumour necrosis factor-α (IC50s, 9.0 and 0.0009 μM, n=12). The inhibitory effect of nitroparacetamol was completely reversed by (2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide; 2-(4-carboxyphenyl)-4,5-dihydro-4,4,5,5-tetramethyl-1H-imidazol-1-yloxy-3-oxide potassium (carboxy-PTIO, 100 μM; NO scavenging agent). Neither the nuclear factor-κB transduction inhibitor, pyrrolidinedithiocarbamate (10-1000 μM) nor the nitric oxide donor, 1-hydroxy-2-oxo-3-(3-aminopropyl)-3- isopropyl-1-triazene (NOC-5, 10-1000 μM), affected cytokine formation in these experiments. © 2003 Elsevier B.V. All rights reserved.
Source Title: European Journal of Pharmacology
ISSN: 00142999
DOI: 10.1016/j.ejphar.2003.10.041
Appears in Collections:Staff Publications

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