The cholesterol transport inhibitor U18666A inhibits type I feline coronavirus infection.

The cholesterol transport inhibitor U18666A inhibits type I feline coronavirus infection.
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DOI:
10.1016/j.antiviral.2017.07.022
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发表时间:
2017-09
期刊:
影响因子:
7.6
通讯作者:
Hohdatsu T
Hohdatsu T
中科院分区:
医学2区
文献类型:
--
作者:
Takano T;Endoh M;Fukatsu H;Sakurada H;Doki T;Hohdatsu T

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猫传染性腹膜炎(FIP)是一种由猫冠状病毒(FCoV)引起的野猫和家猫致命疾病。 FCoV 存在两种血清型。 I 型 FCoV 是世界范围内的主要血清型。因此,有必要开发针对I型FCoV感染的抗病毒药物。我们之前报道过,I 型 FCoV 在整个病毒生命周期中与胆固醇密切相关。在这项研究中,我们研究了胆固醇合成和转运抑制剂 U18666A 是否对 I 型 FCoV 具有抗病毒作用。 U18666A 诱导细胞内胆固醇积累并抑制 I 型 FCoV 复制。令人惊讶的是,U18666A 的抗病毒活性被组蛋白脱乙酰酶抑制剂 (HDACi) Vorinostat 抑制。据报道,HDACi 可恢复 U18666A 诱导的 Niemann-Pick C1 (NPC1) 功能障碍。总之,这些发现表明 NPC1 在 I 型 FCoV 感染中发挥重要作用。 U18666A或其他胆固醇转运抑制剂可考虑作为治疗患有FIP的猫的抗病毒药物。
Feline infectious peritonitis (FIP) is a feline coronavirus (FCoV)-induced fatal disease in wild and domestic cats. FCoV exists in two serotypes. Type I FCoV is the dominant serotype worldwide. Therefore, it is necessary to develop antiviral drugs against type I FCoV infection. We previously reported that type I FCoV is closely associated with cholesterol throughout the viral life cycle. In this study, we investigated whether U18666A, the cholesterol synthesis and transport inhibitor, shows antiviral effects against type I FCoV. U18666A induced cholesterol accumulation in cells and inhibited type I FCoV replication. Surprisingly, the antiviral activity of U18666A was suppressed by the histone deacetylase inhibitor (HDACi), Vorinostat. HDACi has been reported to revert U18666A-induced dysfunction of Niemann-Pick C1 (NPC1). In conclusion, these findings demonstrate that NPC1 plays an important role in type I FCoV infection. U18666A or other cholesterol transport inhibitor may be considered as the antiviral drug for the treatment of cats with FIP.
DOI: 10.1038/nrmicro.2016.81
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