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Chemotherapy. 1999 Jan-Feb;45(1):48-55.

A new fluoroquinolone derivative exhibits inhibitory activity against human immunodeficiency virus type 1 replication.

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1
Biological Research Laboratories, Sankyo Co., Ltd., Tokyo, Japan. hiroto@shina.sankyo.co.jp

Abstract

The inhibitory activity of several fluoroquinolone antibiotics against human immunodeficiency virus type 1 (HIV-1) replication was investigated. R-71762, (+/-) 9-fluoro-3-fluoromethyl-2, 3-dihydro-10-[4-(2-pyridyl)-1-piperazinyl]-7-oxo-7H-pyrido[1,2, 3-de][1,4]benzoxazine-6-carboxylic acid, protected MT-4 cells from HIV-1-induced cytopathic effects. Furthermore, the compound inhibited virus replication both in acutely and in chronically HIV-1-infected cells. On the other hand, ofloxacin, levofloxacin, ciprofloxacin, norfloxacin and enoxacin, that were previously reported to be protective against HIV-1-induced cytopathic effects, did not show any protective activity in our assay system. These results indicate that R-71762 is a novel inhibitor of HIV-1 replication and is effective even in HIV-1 chronically infected cells.

PMID:
9876209
[Indexed for MEDLINE]
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