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논문 기본 정보

자료유형
학술저널
저자정보
(Institute for Basic Science) (Institut Pasteur Korea) (Korea Advanced Institute of Science and Technology (KAIST)) (Korea Institute of Science and Technology) (Institute for Basic Science) (Institute for Basic Science) (Korea University) (Institute for Basic Science) (Institute for Basic Science) (Institute for Basic Science) (Korea Institute of Science and Technology) (Korea Advanced Institute of Science and Technology (KAIST)) (Institut Pasteur Korea) (Institute for Basic Science)
저널정보
대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제53권
발행연도
수록면
1 - 17 (17page)
DOI
10.1038/s12276-021-00624-9

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초록· 키워드

An ongoing pandemic of coronavirus disease 2019 (COVID-19) is now the greatest threat to global public health. Herbal medicines and their derived natural products have drawn much attention in the treatment of COVID-19, but the detailed mechanisms by which natural products inhibit SARS-CoV-2 have not been elucidated. Here, we show that platycodin D (PD), a triterpenoid saponin abundant in Platycodon grandiflorum (PG), a dietary and medicinal herb commonly used in East Asia, effectively blocks the two main SARS-CoV-2 infection routes via lysosome- and transmembrane protease serine 2 (TMPRSS2)-driven entry. Mechanistically, PD prevents host entry of SARS-CoV-2 by redistributing membrane cholesterol to prevent membrane fusion, which can be reinstated by treatment with a PD-encapsulating agent. Furthermore, the inhibitory effects of PD are recapitulated by the pharmacological inhibition or gene silencing of NPC1 , which is mutated in patients with Niemann?Pick type C (NPC) displaying disrupted membrane cholesterol distribution. Finally, readily available local foods or herbal medicines containing PG root show similar inhibitory effects against SARS-CoV-2 infection. Our study proposes that PD is a potent natural product for preventing or treating COVID-19 and that briefly disrupting the distribution of membrane cholesterol is a potential novel therapeutic strategy for SARS-CoV-2 infection.
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