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Cathepsin L plays a key role in SARS-CoV-2 infection in humans and humanized mice and is a promising target for new drug development

Zhao, Miao-Miao ; Yang, Wei-Li ; Yang, Fang-Yuan ; Zhang, Li ; Huang, Wei-Jin ; Hou, Wei ; Fan, Chang-Fa ; Jin, Rong-Hua ; Feng, Ying-Mei ; Wang, You-Chun ; Yang, Jin-Kui

Signal transduction and targeted therapy, 2021-03, Vol.6 (1), p.134-134, Article 134 [Periódico revisado por pares]

England: Nature Publishing Group

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Cathepsin L plays a key role in SARS-CoV-2 infection in humans and humanized mice and is a promising target for new drug development
Autor: Zhao, Miao-Miao ; Yang, Wei-Li ; Yang, Fang-Yuan ; Zhang, Li ; Huang, Wei-Jin ; Hou, Wei ; Fan, Chang-Fa ; Jin, Rong-Hua ; Feng, Ying-Mei ; Wang, You-Chun ; Yang, Jin-Kui
Assuntos: Adolescent ; Adult ; Aged ; Animals ; Antiviral Agents - pharmacology ; Cathepsin L - antagonists & inhibitors ; Cathepsin L - genetics ; Cathepsin L - metabolism ; Coronaviruses ; COVID-19 ; COVID-19 - genetics ; COVID-19 - metabolism ; COVID-19 Drug Treatment ; Cysteine Proteinase Inhibitors - pharmacology ; Drug Development ; Female ; Humans ; Infections ; Male ; Mice ; Mice, Transgenic ; Middle Aged ; SARS-CoV-2 - genetics ; SARS-CoV-2 - metabolism ; Severe acute respiratory syndrome coronavirus 2 ; Spike Glycoprotein, Coronavirus - genetics ; Spike Glycoprotein, Coronavirus - metabolism ; Virus Internalization - drug effects
É parte de: Signal transduction and targeted therapy, 2021-03, Vol.6 (1), p.134-134, Article 134
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SourceType-Scholarly Journals-1
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Descrição: To discover new drugs to combat COVID-19, an understanding of the molecular basis of SARS-CoV-2 infection is urgently needed. Here, for the first time, we report the crucial role of cathepsin L (CTSL) in patients with COVID-19. The circulating level of CTSL was elevated after SARS-CoV-2 infection and was positively correlated with disease course and severity. Correspondingly, SARS-CoV-2 pseudovirus infection increased CTSL expression in human cells in vitro and human ACE2 transgenic mice in vivo, while CTSL overexpression, in turn, enhanced pseudovirus infection in human cells. CTSL functionally cleaved the SARS-CoV-2 spike protein and enhanced virus entry, as evidenced by CTSL overexpression and knockdown in vitro and application of CTSL inhibitor drugs in vivo. Furthermore, amantadine, a licensed anti-influenza drug, significantly inhibited CTSL activity after SARS-CoV-2 pseudovirus infection and prevented infection both in vitro and in vivo. Therefore, CTSL is a promising target for new anti-COVID-19 drug development.
Editor: England: Nature Publishing Group
Idioma: Inglês

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Cathepsin L plays a key role in SARS-CoV-2 infection in humans and humanized mice and is a promising target for new drug development

Zhao, Miao-Miao ; Yang, Wei-Li ; Yang, Fang-Yuan ; Zhang, Li ; Huang, Wei-Jin ; Hou, Wei ; Fan, Chang-Fa ; Jin, Rong-Hua ; Feng, Ying-Mei ; Wang, You-Chun ; Yang, Jin-Kui

England: Nature Publishing Group

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