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Updated: Aug 11, 2025

Genome-wide Mapping of Drug-DNA Interactions in Cells with COSMIC Crosslinking of Small Molecules to Isolate Chromatin
Published on: January 20, 2016
Anti-cancer activity of ultra-short single-stranded polydeoxyribonucleotides
Alexander S Vedenkin1, Sergey V Stovbun2, Alexander A Bukhvostov3
1N.N. Semenov Federal Research Center for Chemical Physics RAS, Moscow, Russia. a.s.vedenkin@gmail.com.
Ultra-short single-stranded deoxyribose polynucleotides (ssDNA) show promise as novel anti-cancer drugs. These compounds effectively inhibit DNA polymerase, suppressing cancer cell proliferation and tumor growth in preclinical studies.
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- Cancer cells exhibit increased proliferation rates, presenting a therapeutic target.
- DNA replication and repair are critical for cell survival and proliferation.
- Inhibiting DNA replication machinery can lead to cancer cell death.
Purpose of the Study:
- To investigate the anti-tumor potential of ultra-short single-stranded deoxyribose polynucleotides (ssDNA).
- To evaluate the efficacy of ssDNA in inhibiting DNA polymerase activity.
- To assess the therapeutic effects of ssDNA on cancer development and tumor growth.
Main Methods:
- In vitro studies using cancer cell cultures.
- In vivo studies using mouse cancer models.
- Assay of DNA polymerase catalytic activity inhibition by ssDNA.
Main Results:
- ssDNA effectively inhibits the catalytic activity of DNA polymerase.
- ssDNA demonstrated significant suppression of cancer development in vitro.
- ssDNA significantly suppressed tumor growth in vivo mouse models.
Conclusions:
- Ultra-short single-stranded deoxyribose polynucleotides are effective inhibitors of DNA polymerase.
- ssDNA exhibits significant anti-tumor activity, warranting further investigation as a novel cancer therapeutic agent.
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