國家衛生研究院 NHRI:Item 3990099045/10553
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    题名: Targeting coronaviral replication and cellular JAK2 mediated dominant NF-kappaB activation for comprehensive and ultimate inhibition of coronaviral activity
    其它题名: Targeting coronaviral replication and cellular JAK2 mediated dominant NF-κB activation for comprehensive and ultimate inhibition of coronaviral activity
    作者: Yang, CW;Lee, YZ;Hsu, HY;Shih, C;Chao, YS;Chang, HY;Lee, SJ
    贡献者: Institute of Biotechnology and Pharmaceutical Research
    摘要: Tylophorine-based compounds exert broad spectral, potent inhibition of coronaviruses. NF-kappaB activation is a common pro-inflammatory response of host cells to viral infection. The aims of this study were to (i) find an effective combination treatment for coronaviral infections through targeting of the virus per se and cellular NF-kappaB activity; and (ii) to study the underling mechanisms. We found that tylophorine-based compounds target the TGEV viral RNA and effectively inhibit TGEV replication. NF-kappaB inhibition also leads to anti-TGEV replication. NF-kappaB activation induced by TGEV infection was found to be associated with two convergent pathways, IKK-2_IkappaBalpha/p65 and JAK2 mediated p65 phosphorylation, in swine testicular cells. JAK2 inhibition either by CYT387 (a JAK family inhibitor) or by silencing JAK2-expression revealed a dominant JAK2 mediated p65 phosphorylation pathway for NF-kappaB activation and resulted in NF-kappaB inhibition, which overrode the IkappaBalpha regulation via the IKK-2. Finally, tylophorine-based compounds work cooperatively with CYT387 to impart comprehensive anti-TGEV activities. The combination treatment, wherein a tylophorine compound targets TGEV and a JAK2 inhibitor blocks the alternative dominant NF-kappaB activation mediated by JAK2, is more effective and comprehensive than either one alone and constitutes a feasible approach for the treatment of SARS-CoV or MERS-CoV.
    日期: 2017-06-22
    關聯: Scientific Reports. 2017 Jun 22;7:Article number 4105.
    Link to: http://dx.doi.org/10.1038/s41598-017-04203-9
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2045-2322&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000403874900088
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85021123826
    显示于类别:[李秀珠] 期刊論文
    [趙宇生(2002-2013)] 期刊論文
    [石全(2014-2017)] 期刊論文

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