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- W2023709279 abstract "To evaluate the biological preference of chiral drugs toward DNA target, new metal-based chemotherapeutic agents of Cu(II) and Zn(II), l-/d-fluorobenzothiazole Schiff base-valine complexes 1 &2 (a and b), respectively were synthesized and thoroughly characterized. Preliminary in vitro DNA binding studies of ligand L and complexes 1 &2 (a and b) were carried out in Tris-HCl buffer at pH 7.2 to demonstrate the chiral preference of l-enantiomeric complexes over the d-analogues. The extent of DNA binding propensity was ascertained quantitatively by Kb, K and Ksv values which revealed greater binding propensity by l-enantiomeric Cu(II) complex 1a and its potency to act as a chemotherapeutic agent. The cleavage studies with pBR322 plasmid DNA revealed higher nuclease activity of 1a as compared to 2avia hydrolytic cleavage mechanism. The complexes 1 &2 (a and b) were also screened for antimicrobial activity which demonstrated significantly good activity for l-enantiomeric complexes. Furthermore, cytotoxicity of the complexes 1a and 1b was evaluated by the MTT assay on human HeLa cancer cell line which implicated that more than 50% cells were viable at 15μM. These results were further validated by cell imaging studies which demonstrated the nuclear blebbing." @default.
- W2023709279 created "2016-06-24" @default.
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- W2023709279 date "2015-02-01" @default.
- W2023709279 modified "2023-10-16" @default.
- W2023709279 title "Enantiomeric fluoro-substituted benzothiazole Schiff base-valine Cu(II)/Zn(II) complexes as chemotherapeutic agents: DNA binding profile, cleavage activity, MTT assay and cell imaging studies" @default.
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- W2023709279 doi "https://doi.org/10.1016/j.jphotobiol.2014.12.027" @default.
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