ArticleLife science alliance2022
Emetine blocks DNA replication via proteosynthesis inhibition not by targeting Okazaki fragments.
Article in Life science alliance, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Electrochemical Investigation of the Redox Behavior of Isoquinoline Alkaloid Emetine.ACS omega · 2026Article
- An integrated approach combining computational analyses and experimental validation deciphers the mechanism and active substance basis of Huazhuo Ningfu decoction in treating psoriasis.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- Article
- PARG inhibitor sensitivity correlates with accumulation of single-stranded DNA gaps in preclinical models of ovarian cancer.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- RAD52 prevents accumulation ofbioRxiv : the preprint server for biology · 2024Article
- Article
- RB loss sensitizes cells to replication-associated DNA damage after PARP inhibition by trapping.Life science alliance · 2023Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
DNA synthesis of the leading and lagging strands works independently and cells tolerate single-stranded DNA generated during strand uncoupling if it is protected by RPA molecules. Natural alkaloid emetine is used as a specific inhibitor of lagging strand synthesis, uncoupling leading and lagging strand replication. Here, by analysis of lagging strand synthesis inhibitors, we show that despite emetine completely inhibiting DNA replication: it does not induce the generation of single-stranded DNA and chromatin-bound RPA32 (CB-RPA32). In line with this, emetine does not activate the replication checkpoint nor DNA damage response. Emetine is also an inhibitor of proteosynthesis and ongoing proteosynthesis is essential for the accurate replication of DNA. Mechanistically, we demonstrate that the acute block of proteosynthesis by emetine temporally precedes its effects on DNA replication. Thus, our results are consistent with the hypothesis that emetine affects DNA replication by proteosynthesis inhibition. Emetine and mild POLA1 inhibition prevent S-phase poly(ADP-ribosyl)ation. Collectively, our study reveals that emetine is not a specific lagging strand synthesis inhibitor with implications for its use in molecular biology.
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