Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 93, Issue -, Pages 1030-1040Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2016.08.086
Keywords
Pectin; Gold nanoparticles; Anti-cancer; Apoptosis; Flow cytometry
Funding
- DST-SERB, Government of India [SR/FT/LS-84/2012]
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Pectin and its several modified forms have shown remarkable impact in therapeutic use against various cancers. In the present study, pectin, an anionic polysaccharide isolated from Musa paradisiaca is employed for the synthesis of gold nanoparticles at ambient temperature conditions. The synthesized nanoparticles were characterized using microscopic and spectroscopic studies and its anti-cancer potential was evaluated in mammary adenocarcinoma cell lines MCF-7 and MDA-MB-231. Apoptosis induction was evident from increase in sub-G1 population studied using flow cytometry analysis. DNA damage followed by cell death in pectin mediated gold nanoparticles (p-GNPs) treated cells was confirmed by Comet assay. Uptake of p-GNPs by cancer cells (MCF-7 and MDA-MB-231) was analyzed using FE-SEM which revealed the presence of p-GNPs as aggregates over the surface of cells with loss in cellular integrity compared to control cells. (C) 2016 Elsevier B.V. All rights reserved.
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