Journal
BIOORGANIC CHEMISTRY
Volume 59, Issue -, Pages 130-139Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2015.02.007
Keywords
beta-Carboline; Chalcone; Claisen-Schmidt condensation; Anticancer activity; DNA-binding ability; Molecular modelling
Funding
- DoP, Ministry of Chemicals and Fertilizers Govt. of India, New Delhi
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A new series of DNA-interactive beta-carboline-chalcone conjugates have been synthesized and evaluated for their in vitro cytotoxicity and DNA-binding affinity. It has been observed that most of these new hybrids have shown potent cytotoxic activities on A-549 ( lung adenocarcinoma) cell lines with IC50 values lower than 10 mu M. The hybrid 7b is more effective against some of the selected cancer cell lines with IC50 values less than 50 mu M. In addition, compounds 7e, 7k, 7p-u has displayed significant elevation in Delta T-m of DNA in comparison to Adriamycin, suggesting significant interaction and remarkable DNA stabilization. The DNA intercalation of these new hybrids has been investigated by fluorescence titration, DNA viscosity measurements, molecular docking as well as molecular dynamics and the results are in agreement with the thermal denaturation studies. (C) 2015 Elsevier Inc. All rights reserved.
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