Effect of etizolam (Depas) on production of superoxide anion by platelet-activating factor and N-formyl-methionyl-leucyl-phenylalanine-stimulated guinea pig polymorphonuclear leukocytes |
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| Authors: | H Aratani Y Nishida M Terasawa Y Maruyama |
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| Affiliation: | Research Laboratories, Yoshitomi Pharmaceutical Industries Ltd., Fukuoka, Japan. |
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| Abstract: | ![]()
Effect of etizolam on platelet activating factor (PAF) and N-formyl-methionyl-leucyl-phenylalanine (FMLP)-induced superoxide anion (O2-) production in guinea pig polymorphonuclear leukocytes (PMNL) was investigated. Etizolam showed the inhibitory effect on PAF-induced O2- production concentration dependently, with an IC50 value of 4.7 microM, but it had no inhibitory effect on FMLP-induced O2- production at 100 microM. These results suggest that etizolam has a selectively strong inhibitory effect on PAF-induced O2- production in guinea pig PMNL. |
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