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- W4387121489 abstract "Developing therapeutic strategies against COVID-19 has gained widespread interest given the likelihood that new viral variants will continue to emerge. Here we describe one potential therapeutic strategy which involves targeting members of the glutaminase family of mitochondrial metabolic enzymes (GLS and GLS2), which catalyze the first step in glutamine metabolism, the hydrolysis of glutamine to glutamate. We show three examples where GLS expression increases during coronavirus infection of host cells, and another in which GLS2 is upregulated. The viruses hijack the metabolic machinery responsible for glutamine metabolism to generate the building blocks for biosynthetic processes and satisfy the bioenergetic requirements demanded by the 'glutamine addiction' of virus-infected host cells. We demonstrate how genetic silencing of glutaminase enzymes reduces coronavirus infection and that newer members of two classes of small molecule allosteric inhibitors targeting these enzymes, designated as SU1, a pan-GLS/GLS2 inhibitor, and UP4, which is specific for GLS, block viral replication in mammalian epithelial cells. Overall, these findings highlight the importance of glutamine metabolism for coronavirus replication in human cells and show that glutaminase inhibitors can block coronavirus infection and thereby may represent a novel class of anti-viral drug candidates.Inhibitors targeting glutaminase enzymes block coronavirus replication and may represent a new class of anti-viral drugs." @default.
- W4387121489 created "2023-09-29" @default.
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- W4387121489 date "2023-09-28" @default.
- W4387121489 modified "2023-10-14" @default.
- W4387121489 title "Inhibiting Glutamine Metabolism Blocks Coronavirus Replication in Mammalian Cells" @default.
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- W4387121489 doi "https://doi.org/10.1101/2023.09.27.559756" @default.
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