Targeting the Pentose Phosphate Pathway for SARS-CoV-2 Therapy.

Targeting the Pentose Phosphate Pathway for SARS-CoV-2 Therapy.
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DOI:
10.3390/metabo11100699
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发表时间:
2021-10-13
期刊:
影响因子:
4.1
通讯作者:
Cinatl J Jr
Cinatl J Jr
中科院分区:
生物学3区
文献类型:
--
作者:
Bojkova D;Costa R;Reus P;Bechtel M;Jaboreck MC;Olmer R;Martin U;Ciesek S;Michaelis M;Cinatl J Jr

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SARS-CoV-2 正在引起 2019 年冠状病毒病 (COVID-19) 大流行,需要有效的药物治疗。 SARS-CoV-2 诱导宿主细胞代谢向糖酵解方向转变,而干扰 SARS-CoV-2 感染的糖酵解抑制剂 2-脱氧-d-葡萄糖 (2DG) 正在开发中,用于治疗 COVID-19 患者。糖酵解途径产生的中间体供应磷酸戊糖途径(PPP)的非氧化分支。在这项研究中,蛋白质组学数据分析表明,SARS-CoV-2 感染的细胞中转酮醇酶 (TKT) 水平升高,表明非氧化性 PPP 发挥了作用。与此一致,TKT 抑制剂苯氧基硫胺 (BOT) 抑制 SARS-CoV-2 复制并增加 2DG 的抗 SARS-CoV-2 活性。总之,SARS-CoV-2 感染与 PPP 调节的变化有关。 TKT 抑制剂 BOT 抑制 SARS-CoV-2 复制并增加糖酵解抑制剂 2DG 的活性。值得注意的是,BOT 和 2DG 等代谢药物除了抑制 SARS-CoV-2 复制外,还可能通过改变免疫细胞的代谢来干扰与 COVID-19 相关的免疫病理学。因此,它们可以通过发挥抗病毒和免疫调节作用来改善 COVID-19 的治疗效果。
SARS-CoV-2 is causing the coronavirus disease 2019 (COVID-19) pandemic, for which effective pharmacological therapies are needed. SARS-CoV-2 induces a shift of the host cell metabolism towards glycolysis, and the glycolysis inhibitor 2-deoxy-d-glucose (2DG), which interferes with SARS-CoV-2 infection, is under development for the treatment of COVID-19 patients. The glycolytic pathway generates intermediates that supply the non-oxidative branch of the pentose phosphate pathway (PPP). In this study, the analysis of proteomics data indicated increased transketolase (TKT) levels in SARS-CoV-2-infected cells, suggesting that a role is played by the non-oxidative PPP. In agreement, the TKT inhibitor benfooxythiamine (BOT) inhibited SARS-CoV-2 replication and increased the anti-SARS-CoV-2 activity of 2DG. In conclusion, SARS-CoV-2 infection is associated with changes in the regulation of the PPP. The TKT inhibitor BOT inhibited SARS-CoV-2 replication and increased the activity of the glycolysis inhibitor 2DG. Notably, metabolic drugs like BOT and 2DG may also interfere with COVID-19-associated immunopathology by modifying the metabolism of immune cells in addition to inhibiting SARS-CoV-2 replication. Hence, they may improve COVID-19 therapy outcomes by exerting antiviral and immunomodulatory effects.
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