Selective inhibition of HIV-1 replication by the CDK9 inhibitor FIT-039

被引:21
作者
Okamoto, Mika [1 ]
Hidaka, Akemi [1 ]
Toyama, Masaaki [1 ]
Hosoya, Takamitsu [2 ]
Yamamoto, Makoto [3 ]
Hagiwara, Masatoshi [3 ]
Baba, Masanori [1 ]
机构
[1] Kagoshima Univ, Grad Sch Med & Dent Sci, Ctr Chron Viral Dis, Div Antiviral Chemotherapy, Kagoshima 8908544, Japan
[2] Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Lab Chem Biosci, Tokyo 1010062, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Anat & Dev Biol, Kyoto 6068501, Japan
关键词
HIV-1; Latent infection; CDK-9; Cyclin T1; Transcription inhibitor; HUMAN-IMMUNODEFICIENCY-VIRUS; CHRONICALLY INFECTED-CELLS; TYPE-1; REPLICATION; GENE-EXPRESSION; TRANSCRIPTION; POTENT;
D O I
10.1016/j.antiviral.2015.08.012
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
FIT-039 has recently been identified as a novel cyclin-dependent kinase 9 inhibitor with potent antiviral activity against a broad spectrum of DNA viruses, such as herpes simplex virus type 1 (HSV-1) and human cytomegaloviruses. In this study, FIT-039 was examined for its inhibitory effect on human immunodeficiency virus type I (HIV-1) replication in chronically infected cells. Its 50% effective concentration was 1.4-2.1 mu M, irrespective of the cells used for antiviral assays, while its 50% cytotoxic concentration was >20 mu M, indicating that FIT-039 is a selective inhibitor of HIV-1 replication. FIT-039 also inhibited HIV-1 RNA expression in a dose-dependent fashion. Since previous studies demonstrated that FIT-039 exhibited antiviral efficacy without noticeable adverse effects in HSV-1-infected mice, the compound should be further investigated for its clinical potential against HIV-1 infection. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:1 / 4
页数:4
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