Antitumor Activity and DNA-Binding Investigations of the Zn(II) and Cu(II) Complexes with Isoeuxanthone
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概要
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Two new complexes ZnL2 (1) and CuL2 (2) (here, HL=isoeuxanthone) have been synthesized and characterized by elemental analyses, molar conductance, infrared spectra (IR), 1H-NMR and UV–Vis measurements. The interactions of them with calf thymus DNA (ct DNA) have been investigated by absorption spectroscopy, fluorescence spectroscopy, circular dichroism spectroscopy and viscosity measurements. Experimental results revealed an intercalative interaction with DNA for the complexes; furthermore the binding affinity of 2 is higher than that of 1 according to the calculated binding constant values. In addition, they were evaluated for their cytotoxic activities toward human esophageal cancer (ECA109) and human gastric cancer (SGC7901) cells by MTT assay. Both of them showed significant cytotoxic potency.
著者
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Shen Rui
College of Pharmacy, Nankai University
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Tang Ning
College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, La
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Wang Huifang
College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, La
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Wu Jincai
College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, La
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Wu Jincai
College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University
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Shen Rui
College of Pharmacy Nankai University
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Wang Huifang
College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University
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Tang Ning
College of Chemistry and Chemical Engineering, Lanzhou University
関連論文
- Cytotoxic Activity and DNA-Binding Investigations of Two Benzoxanthone Derivatives
- Antitumor Activity and DNA-Binding Investigations of the Zn(II) and Cu(II) Complexes with Isoeuxanthone
- Antitumor Activity and DNA-Binding Investigations of Isoeuxanthone and Its Piperidinyl Derivative