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Formation of Covalent DNA Adducts by Enzymatically Activated Carcinogens and Drugs In Vitro and Their Determination by 32P-postlabeling
Published on: March 20, 2018
Cytotoxic activity and DNA-binding properties of xanthone derivatives
Rui Shen1, Peng Wang, Ning Tang
1College of Pharmacy, Nankai University, Tianjin, 300071, People's Republic of China. shenr05@lzu.cn
Journal of Fluorescence
|June 10, 2010
Summary
Xanthone derivatives bind to DNA, with substituents affecting affinity. Certain xanthone compounds show potent cytotoxic activity against esophagus, stomach, and lung cancer cells, aligning with DNA-binding studies.
Area of Science:
- Medicinal Chemistry
- Molecular Biology
- Biochemistry
Background:
- Xanthone derivatives are explored for therapeutic potential.
- Understanding DNA-binding interactions is crucial for drug development.
Purpose of the Study:
- To investigate the DNA-binding interactions of substituted xanthone derivatives.
- To evaluate the in vitro cytotoxic activities of these compounds against various cancer cell lines.
Main Methods:
- Spectrophotometric methods and viscosity measurements were used to study DNA-xanthone interactions.
- Cytotoxicity was assessed using the MTT (microculture tetrazolium) assay on esophagus (ECA109), stomach (SGC7901), and lung (GLC-82) cancer cell lines.
Main Results:
- Xanthone derivatives intercalate into DNA, with binding affinity influenced by substituents.
- Oxiranylmethoxy or piperidinylethoxy substituted xanthones demonstrated significant cytotoxic activity against tested cancer cell lines.
- In vitro cytotoxicity correlated with DNA-binding studies.
Conclusions:
- Substituted xanthones interact with DNA via intercalation, and their efficacy can be modulated by specific functional groups.
- Certain xanthone derivatives possess promising anticancer properties, warranting further investigation for therapeutic applications.
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