2. Academic Validation
  3. Rottlerin plays an antiviral role at early and late steps of Zika virus infection

Rottlerin plays an antiviral role at early and late steps of Zika virus infection

  • Virol Sin. 2022 Aug 5;S1995-820X(22)00136-5. doi: 10.1016/j.virs.2022.07.012.
Shili Zhou 1,  Quanshi Lin 2,  Changbai Huang 2,  Xiaotong Luo 3,  Xu Tian 2,  Chao Liu 4,  Ping Zhang 5
Affiliations

Affiliations

  • 1 Key Laboratory of Tropical Diseases Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China; Medical Research Center, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China.
  • 2 Key Laboratory of Tropical Diseases Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China; Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
  • 3 Key Laboratory of Tropical Diseases Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China; Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
  • 4 Key Laboratory of Tropical Diseases Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China; Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China. Electronic address: liuchao9@mail.sysu.edu.cn.
  • 5 Key Laboratory of Tropical Diseases Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China; Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China. Electronic address: zhangp36@mail.sysu.edu.cn.
PMID: 35934227 DOI: 10.1016/j.virs.2022.07.012
Abstract

Infection of Zika virus (ZIKV) may cause microcephaly and Other neurological disorders, while no vaccines and drugs are available. Our study revealed that rottlerin confers a broad Antiviral activity against several enveloped viruses, including ZIKV, vesicular stomatitis virus, and herpes simplex virus, but not against two naked viruses (Enterovirus 71 and encephalomyocarditis virus). Rottlerin does not have a direct virucidal effect on the virions, and its Antiviral effect is independent of its regulation on PKCδ or ATP. Both pretreatment and post-treatment of rottlerin effectively reduce the viral replication of ZIKV. The pretreatment of rottlerin disturbs the endocytosis of enveloped viruses, while the post-treatment of rottlerin acts at a late stage through disturbing the maturation of ZIKV. Importantly, administration of rottlerin in neonatal mice significantly decreased the ZIKV replication in vivo, and alleviated the neurological symptoms caused by ZIKV. Our work suggests that rottlerin exerts an Antiviral activity at two distinct steps of viral Infection, and can be potentially developed as a prophylactic and therapeutic agent.

Keywords

Enveloped virus; Replication; Rottlerin; Zika virus (ZIKV).

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