Remdesivir triphosphate blocks DNA synthesis and increases exonucleolysis by the replicative mitochondrial DNA polymerase, Pol γ.
Remdesivir triphosphate blocks DNA synthesis and increases exonucleolysis by the replicative mitochondrial DNA polymerase, Pol γ.
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DOI:
10.1016/j.mito.2021.09.010
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发表时间:
2021-11
期刊:
影响因子:
4.4
通讯作者:
Ciesielski GL
中科院分区:
文献类型:
--
作者:
Ciesielska EJ;Kim S;Bisimwa HM;Grier C;Rahman MM;Young CKJ;Young MJ;Oliveira MT;Ciesielski GL
The COVID-19 pandemic prompted the FDA to authorize a new nucleoside analogue, remdesivir, for emergency use in affected individuals. We examined the effects of its active metabolite, remdesivir triphosphate (RTP), on the activity of the replicative mitochondrial DNA polymerase, Pol γ. We found that while RTP is not incorporated by Pol γ into a nascent DNA strand, it remains associated with the enzyme impeding its synthetic activity and stimulating exonucleolysis. In spite of that, we found no evidence for deleterious effects of remdesivir treatment on the integrity of the mitochondrial genome in human cells in culture.
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