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Updated: Jun 6, 2026
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Genome-wide Mapping of Drug-DNA Interactions in Cells with COSMIC (Crosslinking of Small Molecules to Isolate Chromatin)
Published on: January 20, 2016
Synthesis and DNA-binding affinities of protoberberine-based multivalent agents
Jie-Shun Cui1, Fang Xu, Ji-Yan Pang
1Sun Yat-Sen University, Guangzhou, P R China.
Chemistry & Biodiversity
|December 17, 2010
Summary
Novel berberine derivatives with multiple amino groups show significantly enhanced binding to calf thymus DNA (deoxyribonucleic acid). These compounds could be developed as effective DNA-binding agents.
Area of Science:
- Medicinal Chemistry
- Molecular Biology
- Biochemistry
Background:
- Berberine is a natural alkaloid with potential therapeutic applications.
- Understanding the DNA-binding properties of berberine derivatives is crucial for developing new therapeutic agents.
Purpose of the Study:
- To synthesize novel berberine derivatives with varying numbers of primary amino groups.
- To investigate the DNA-binding capabilities of these new compounds.
Main Methods:
- Synthesis and characterization of three novel berberine derivatives using NMR and MS techniques.
- Spectrophotometric titration and ethidium bromide displacement assays to study non-covalent DNA binding.
Main Results:
- The synthesized berberine derivatives demonstrated significantly enhanced binding affinities to calf thymus DNA compared to berberine.
- Binding affinities were increased by up to 130-fold for the multivalent derivatives.
Conclusions:
- Novel multivalent berberine derivatives exhibit potent DNA-binding properties.
- These compounds show potential for development as DNA-binding agents in therapeutic applications.
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