國家衛生研究院 NHRI:Item 3990099045/14452
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    题名: Virofree, an herbal medicine-based Formula, interrupts the viral infection of delta and omicron variants of SARS-CoV-2
    作者: Doan, LH;Chu, LW;Huang, ZY;Nguyen, AT;Lee, CY;Huang, CL;Chang, YF;Hsieh, WY;Nguyen, TTH;Lin, CH;Su, CL;Chuang, TH;Lai, JM;Wang, FS;Yang, CJ;Liu, HK;Ping, YH;Huang, CYF
    贡献者: Immunology Research Center
    摘要: Coronavirus disease 2019 (COVID-19) remains a threat with the emergence of new variants, especially Delta and Omicron, without specific effective therapeutic drugs. The infection causes dysregulation of the immune system with a cytokine storm that eventually leads to fatal acute respiratory distress syndrome (ARDS) and further irreversible pulmonary fibrosis. Therefore, the promising way to inhibit infection is to disrupt the binding and fusion between the viral spike and the host ACE2 receptor. A transcriptome-based drug screening platform has been developed for COVID-19 to explore the possibility and potential of the long-established drugs or herbal medicines to reverse the unique genetic signature of COVID-19. In silico analysis showed that Virofree, an herbal medicine, reversed the genetic signature of COVID-19 and ARDS. Biochemical validations showed that Virofree could disrupt the binding of wild-type and Delta-variant spike proteins to ACE2 and its syncytial formation via cell-based pseudo-typed viral assays, as well as suppress binding between several variant recombinant spikes to ACE2, especially Delta and Omicron. Additionally, Virofree elevated miR-148b-5p levels, inhibited the main protease of SARS-CoV-2 (M-pro), and reduced LPS-induced TNF-alpha release. Virofree also prevented cellular iron accumulation leading to ferroptosis which occurs in SARS-CoV-2 patients. Furthermore, Virofree was able to reduce pulmonary fibrosis-related protein expression levels in vitro. In conclusion, Virofree was repurposed as a potential herbal medicine to combat COVID-19. This study highlights the inhibitory effect of Virofree on the entry of Delta and Omicron variants of SARS-CoV-2, which have not had any effective treatments during the emergence of the new variants spreading.
    日期: 2022-07-04
    關聯: Frontiers in Pharmacology. 2022 Jul 04;13:Article number 905197.
    Link to: http://dx.doi.org/10.3389/fphar.2022.905197
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1663-9812&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000828377100001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85134395135
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