NDLI: Nitric oxide inhibition, antioxidant, and antitumour activities of novel copper(ii) bis-benzimidazole diamide nanocoordination complexes

Content Provider	Royal Society of Chemistry (RSC)
Author	Ahmad, Sharif Ranjan, Rajeev Mohapatra, Subash C. Singla, Manisha Mahiya, Kuldeep
Copyright Year	2015
Abstract	Novel copper(II) nanocoordination complexes [LCuCl]Cl C1, [LCu(SCN)]SCN C2, and [LCu(NO3)]NO3C3 capped by bis-benzimidazole diamide ligand N1,N5-bis{(1H-benzo[d]imidazole-2-yl)methyl}glutarimide L were synthesized and characterized by spectroscopic methods viz. transmission electron microscopy (5–100 nm), dynamic light scattering, elemental analysis, EPR, and infrared spectroscopy. These complexes were also tested for their ability to inhibit nitric oxide release during culture. Lipopolysaccharide-induced superoxide production decreased most significantly for complex C2. Nanocoordination complex C2 also showed the most significant in vitro cytotoxicity against HeLa human cervical cancer cells, MCF-7 breast cancer cells, and U-87 glioblastoma cells, ranging from 50 μg ml−1 to 500 μg ml−1. In vivo study revealed an increase in body weight (11.5 g) for the tumour control groups, whereas in the case of the mouse groups treated with test sample C3, the difference in body weight as compared to the control was approximately 4.7 g. In further studies, it decreased to 2.2 g and 0.6 g in the case of mouse groups treated with nanocoordination complexes C1 and C2, respectively. The mean mouse survival time was 21 days, which increased to 100, 120, and 170 days for C3, C1, and C2, respectively.
Starting Page	4316
Ending Page	4327
Page Count	12
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	39
Issue Number	6
Journal	New Journal of Chemistry
DOI	10.1039/c4nj02147a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	21 Days Infrared spectroscopy Ligand EPR MCF-7 Glutarimide Cytotoxicity Superoxide Breast cancer Glioblastoma multiforme HeLa Transmission electron microscopy Dynamic light scattering Mouse Imidazole Nitric oxide Copper Cervical cancer
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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