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Lornoxicam Inhibits Human Polymorphonuclear Cell Migration Induced by fMLP, Interleukin-8 and Substance P

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Author(s): Paola Sacerdote | Mauro Bianchi

Journal: International Journal of Pharmacology
ISSN 1811-7775

Volume: 1;
Issue: 2;
Start page: 180;
Date: 2005;
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ABSTRACT
It has been established that nonsteroidal anti-inflammatory drugs (NSAIDs) have additional mechanisms of action, besides the inhibition of prostanoid production. We evaluated the ability of lornoxicam, a novel NSAID of the oxicam family, to interfere with the migration of human polymorphonuclear cells (PMN) < I>in vitro < /I>. PMN were obtained from healthy donors. Chemotaxis was assessed by a Boyden microchemotaxis chamber and was stimulated with the bacterial chemoattractant formyl-met-leu-phe (fMLP, 0.1 �M), the chemokine Interleukin-8 (25 ng mL < SUP>-1 < /SUP>, 0.003 �M) or the neuropeptide substance P (0.1 �M). Lornoxicam was used at the concentrations of 0.01, 1.0 and 100 �M. This NSAID inhibited fMLP and Substance P chemotaxis starting from the concentration of 1.0 �M, whereas Interleukin-8-induced chemotaxis was significantly reduced also at 0.01 �M. As these concentrations can be easily reached in plasma and in the synovial fluid after the administration of this drug < I>in vivo < /I>, present data suggest that the inhibition of neutrophil migration is involved in the anti-inflammatory action of lornoxicam.

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Tangokurs Rapperswil-Jona

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