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XB-ART-22464
Biol Pharm Bull 1993 Jul 01;167:726-8. doi: 10.1248/bpb.16.726.
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Inhibition of GABAA receptor-mediated current responses by enoxacin (new quinolone) and felbinac (non-steroidal anti-inflammatory drug) in Xenopus oocytes injected with mouse-brain messenger RNA.

Kawakami J , Shimokawa M , Yamamoto K , Sawada Y , Asanuma A , Yanagisawa K , Iga T .


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The convulsant interaction between enoxacin (ENX), a new quinolone antibacterial agent (NQ), and felbinac (FLB), a non-steroidal anti-inflammatory drug (NSAID), in vivo was reproduced as the change of GABA-induced current response in Xenopus oocytes injected with mouse brain mRNA. GABA (10 microM) response was inhibited by ENX in a dose-dependent manner, and IC50 of ENX was 96 microM. Moreover, the inhibitory effect of ENX was 80-fold potentiated in the presence of 10 microM FLB. The GABAA-antagonistic interaction between these two drugs in vitro was considered a possible mechanism of convulsant reaction after concomitant administration of NQs and NSAIDs in vivo.

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Species referenced: Xenopus laevis
Genes referenced: gabarap