期刊
ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY
卷 45, 期 6, 页码 1082-1091出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/21691401.2016.1202257
关键词
Apoptosis; imatinib; MCF-7; silver nanoparticles
In the current study, in vitro biological feature of imatinib-loaded silver nanoparticles (IMAB-AgNPs) on human breast cancer cell line was investigated. The formation of synthesized silver nanoparticles (AgNPs) was characterized by UV-Visible spectroscopy, EDS, TEM imaging, SEM, FTIR, DLS and Zeta potentiometer. The developed IMAB-AgNPs with maximum percentage of loading efficiency was demonstrated in the average of 130 nm and mostly spherical. Additionally, in vitro drug release study showed a slow and continuous release of imatinib over a period of 80 h. We demonstrated that the synthesized IMAB-AgNPs exhibited a dose-dependent cytotoxicity against MCF-7 cell line. Then, real-time PCR method was also applied for the investigation of Bax and Bcl-2 gene expression in the cells. Comparing IMAB-AgNPs to AgNPs and Imatinib revealed the ability of IMAB-AgNPs to up-regulating Bax/Bcl-2 ratio. An induction of apoptosis was evidenced by Annexin-V/PI detection assay. Based on the current obtained data, the IMAB-AgNPs can exhibit inhibitory effect on viability through up regulation of apoptosis in MCF-7 cancer cells, which provides influencing evidence for the green synthesized AgNPs as a promising sustained drug delivery system.
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