期刊
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
卷 39, 期 14, 页码 5105-5116出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07391102.2020.1792988
关键词
Lanthanide complex; BSA interaction; molecular docking; antimicrobial activities; anticancer activities
资金
- Research Council of University of Sistan
- Canada Research Chair Tier-2 award [950-231116]
- Ontario Ministry of Research and Innovation [35272]
- Natural Sciences and Engineering Research Council of Canada (NSERC) [3655]
- Canada Foundation for Innovation [35272]
- Research Council of University of Baluchestan
The study showed that these lanthanide complexes interact with BSA through a static process, primarily via van der Waals force. Additionally, they exhibited promising antimicrobial activity and significant cytotoxicity against tumor cells.
To investigate the chemotherapeutic and pharmacokinetic aspects of two lanthanide complexes (Tb(III) and La(III) containing 2,2 '-bipyridine ligand),in vitrobinding studies were carried out with BSA by employing multiple biophysical methods and molecular modeling study. There are different techniques containing fluorescence, absorption spectroscopy and competitive experiments to determine the interaction mode between BSA and these complexes. These complexes efficiently quenched the BSA emission through a static procedure. The results showed that the terbium and lanthanum complexes exhibited a high propensity for BSA interactionviavan der Waals force. Further, competitive examination and docking study showed that the interaction site of these complexes on BSA is site III. The results of docking calculations were in good agreement with experimental examinations. Also, the energy transfer from BSA to these complexes has happened with high possibility. Moreover, antimicrobial studies of different bacterial and fungi indicated its promising antibacterial activity.In vitrocytotoxicity of the Tb complex and La complex was carried out in MCF-7 and A-549 cell lines, which revealed significantly good activity. Communicated by Ramaswamy H. Sarma
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