Journal of Antimicrobial Chemotherapy (2000) 46, 91-94
© 2000 The British Society for Antimicrobial Chemotherapy
Brief reports |
Effect of grepafloxacin on cytokine production in vitro
Cellular Technology Institute, Otsuka Pharmaceutical Co. Ltd, 463-10 Kagasuno, Kawauchi-cho, Tokushima City, Japan
The effect of a new quinolone antibacterial agent, grepafloxacin, on the production of cytokines was investigated using lipopolysaccharide-stimulated human peripheral blood cells. Grepafloxacin 130 mg/L inhibited the production of interleukin 1
(IL-1
) and IL-1ß, and the expression of IL-1
, IL-1ß, tumour necrosis factor
(TNF
), IL-6 and IL-8 mRNA. These results suggest that the inhibitory effect of grepafloxacin is exerted, in part, at the gene transcription level.
* Corresponding author. Tel: +81-665-2126; Fax: +81-665-6976; E-mail: y_ono{at}research.otsuka.co.jp
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