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- W2227263789 abstract "Colloidal silver nanoparticles (AgNPs) have attracted much attention in recent years as diagnostics and new drug delivery system in cancer medicine. To study the effects of plumbagin (PLB), a relatively non-toxic napthaquinone isolated from the roots of Plumbago indica in human cervical cancer cell line and developed a formulation to enhance its cytotoxic activities. Silver nanoparticles were synthesised by chemical reduction method and complexed with PLB. Both the AgNPs and the complex PLB-AgNPs were characterised by dynamic light scattering, high-resolution scanning electron microscopy and transmission electron microscopy. The amount of PLB and PLB-AgNPs internalised was determined by ultra-violet-visible spectrophotometer. Cell inhibition was determined by sulphorhodamine B assay. Mitotic index was determined by Wright-Giemsa staining. Apoptosis induction was assessed by western blot using cleaved poly adenosine diphosphate-ribose polymerase antibody. The scanning electron microscope analysis indicated an average particle size of 32±8 nm in diameter. Enhanced internalisation of PLB into the HeLa cells was observed in PLB-AgNPs. PLB inhibited proliferation of cells with IC50 value of about 18±0.6 µM and blocked the cells at mitosis in a concentration-dependent manner. PLB also inhibited the post-drug exposure clonogenic survival of cells and induced apoptosis. The antiproliferative, antimitotic and apoptotic activities were also found to be increased when cells were treated with PLB-AgNPs. The authors results support the idea that AgNP could be a promising and effective drug delivery system for enhanced activity of PLB in cancer treatment." @default.
- W2227263789 created "2016-06-24" @default.
- W2227263789 creator A5083618667 @default.
- W2227263789 creator A5089878749 @default.
- W2227263789 date "2015-10-01" @default.
- W2227263789 modified "2023-10-03" @default.
- W2227263789 title "Plumbagin‐silver nanoparticle formulations enhance the cellular uptake of plumbagin and its antiproliferative activities" @default.
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- W2227263789 doi "https://doi.org/10.1049/iet-nbt.2015.0008" @default.
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