ArticleScientific reports2025
Novel dual action chimera doxorubizen demonstrates superior efficacy to doxorubicin in acute leukemia.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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
3 citing papers in PubMed.
- Fecal virome transplantation alleviates weaning stress-induced behavioral alterations and intestinal health by reshaping the gut microbiome.Scientific reports · 2026Article
- Exploiting Methyl Triazenes as Attractive Alternatives to Temozolomide and Dacarbazine for Cancer Therapy.Molecules (Basel, Switzerland) · 2026Review
- Article
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Authors and funding
12 authors.
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Abstract
Modifying existing drugs to enhance their activity and reduce toxicity is a major focus of drug development. We developed a novel class of dual-action chimeric molecules for cancer therapy, linking known drugs to a DNA-methylating monomethyl triazene moiety (azene) via nucleophilic substitution. In-vitro screening of these chimeras on various leukemia cell lines identified a potent chimera, doxorubizen, a sequel of the known DNA intercalator and topoisomerase 2 (Topo-II) inhibitor doxorubicin (Dox) and azene. Molecular docking and dynamic simulations showed doxorubizen as a more potent Topo-II inhibitor than Dox as it binds to major grooves in DNA. Moreover, the monomethyl triazene portion is positioned favorably through tetracene core intercalation, potentially facilitating methylation at nearby guanine bases. Doxorubizen demonstrated significantly higher cytotoxicity, mitochondrial depolarization, DNA intercalation, and cell death than Dox. A Topo-II activity assay confirmed potent enzyme inhibition by doxorubizen. The mechanism of action of doxorubizen involves the inhibition of DNA repair in proximity to double-strand breaks by guanine methylation, enhanced mitochondrial depolarization, and increased apoptosis. Furthermore, in an acute leukemia xenograft model, doxorubizen significantly reduced the leukemia burden compared to Dox while preserving body weight and liver function. This work underscores the therapeutic potential of doxorubizen in leukemia treatment.
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