ArticleMolecular biology of the cell2025
MRE11-independent effects of Mirin on mitochondrial DNA integrity and cellular immune responses.
Article in Molecular biology of the cell, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- The inhibition of the MRN complex by Mirin radiosensitizes particularly HPV-negative HNSCC cell lines.Cancer cell international · 2026Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mirin, a chemical inhibitor of MRE11, has been recently reported to suppress immune response triggered by mitochondrial DNA (mtDNA) breakage and release during replication stalling. We show that while Mirin reduces mitochondrial replication fork breakage in mitochondrial 3´-exonuclease MGME1 deficient cells, this effect occurs independently of MRE11. We also discovered that Mirin directly inhibits cellular immune responses, as shown by its suppression of STAT1 phosphorylation in Poly (I:C)-treated cells. Furthermore, Mirin also altered mtDNA supercoiling and accumulation of hemicatenated replication termination intermediates-hallmarks of topoisomerase dysfunction-while mitigating topological changes induced by the overexpression of mitochondrial TOP3A, including TOP3A-dependent strand breakage at the noncoding region of mtDNA. Although Mirin does not seem to inhibit TOP3A activity in vitro, our findings demonstrate its MRE11-independent effects in cells and give insight into the mechanisms of the maintenance of mtDNA integrity.
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