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Q63, a novel DENV2 ...
Q63, a novel DENV2 RdRp non-nucleoside inhibitor, inhibited DENV2 replication and infection
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- Yao, Xingang (författare)
- Southern Medical University, Guangzhou, PR China
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- Guo, Songxin (författare)
- Southern Medical University, Guangzhou, PR China
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- Wu, Wenyu (författare)
- Sun Yat-sen University, Guangzhou, PR China
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- Wang, Jinan (författare)
- Chinese Academy of Sciences, Shanghai, PR China
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- Wu, Shengen (författare)
- Southern Medical University, Guangzhou, PR China
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- He, Shijun (författare)
- Southern Medical University, Guangzhou, PR China
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- Wan, Yihong (författare)
- Southern Medical University, Guangzhou, PR China
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- Nandakumar, Kutty Selva, 1965- (författare)
- Southern Medical University, Guangzhou, PR China
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- Chen, Xiaoguang (författare)
- Southern Medical University, Guangzhou, PR China
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- Sun, Ning (författare)
- The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, PR China
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- Zhu, Qiuhua (författare)
- The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, PR China
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- Liu, Shuwen (författare)
- Southern Medical University, Guangzhou, PR China
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(creator_code:org_t)
- Amsterdam : Elsevier, 2018
- 2018
- Engelska.
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Ingår i: Journal of Pharmacological Sciences. - Amsterdam : Elsevier. - 1347-8613 .- 1347-8648. ; 138:4, s. 247-256
- Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Dengue virus (DENV) annually infects 400 million people worldwide. Unfortunately, there is lack ofwidely protective vaccine or drugs against DENV. The viral RNA-dependent RNA polymerase (RdRp) ofNS5 protein is highly conserved among different DENV subtypes, thus presenting itself as an attractivetarget for drug design. In the current research, SPRi was performed to screen compounds against DENV2RdRp and 5(1H)-Quinazolinone,2-(4-bromophenyl)-2,3,4,6,7,8-hexahydro-7,7-dimethyl-1,3-diphenyl(Q63) was successfully screened out with a KD of 0.9 mM. Then, ITC and molecular docking assay wasperformed to access the binding mechanism between Q63 and DENV2 RdRp. Meanwhile, Q63 alsodecreased the intermediate dsRNA production, which was the product of RdRp. Further the antiviraleffects of Q63 were evaluated on mosquito C6/36 cells and mammalian BHK-21 cells. Q63 reduced CPEand cell toxicity effect after DENV2 infection on C6/36 and BHK-21 cells, with an EC50 of 2.08 mM. Time ofaddition assay revealed that Q63 affected the early genome RNA replication stage, including genome RNAreplication. In addition, Q63 down-regulated STAT1 phosphorylation, ISG15 and ISG54 after DENV2infection. In summary, Q63 was found to be a novel RdRp non-nucleoside inhibitor and a potential leadcompound for coping with DENV infectious disease in the future. © 2018 The Authors.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmaceutiska vetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmaceutical Sciences (hsv//eng)
Nyckelord
- DENV2 infection
- Quinazolinone derivative
- RdRp inhibitor
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Yao, Xingang
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Guo, Songxin
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Wu, Wenyu
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Wang, Jinan
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Wu, Shengen
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He, Shijun
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Wan, Yihong
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Nandakumar, Kutt ...
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Chen, Xiaoguang
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Sun, Ning
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Zhu, Qiuhua
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Liu, Shuwen
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