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  • The cellular uptake and cytotoxic effect of silver nanoparticles on chronic myeloid leukemia cells.

The cellular uptake and cytotoxic effect of silver nanoparticles on chronic myeloid leukemia cells.

Journal of biomedical nanotechnology (2014-04-17)
Dawei Guo, Yun Zhao, Yu Zhang, Qing Wang, Zhihai Huang, Qi Ding, Zhirui Guo, Xuefeng Zhou, Lingying Zhu, Ning Gu
ABSTRACT

Several studies have suggested that silver nanoparticles (AgNPs) have the potential to treat human cancers, including leukemia. However, the detailed cellular mechanisms for AgNPs to inhibit the growth of leukemic cells and their efficacy on clinical isolates of leukemic patients are not elucidated. In this study, the cellular uptake and cytotoxic mechanism of AgNPs in chronic myeloid leukemia (CML) cells were investigated. AgNPs were synthesized with a modified polyol method, which were stable under cell culture conditions with fetal bovine serum (FBS). AgNPs were demonstrated to be able to enter K562 cells (a CML cell line) in a dose-dependent manner and locate in endosomes. Reactive oxygen species (ROS) could be generated upon AgNPs exposure and cause cytotoxicity and apoptosis. It was also found that AgNPs treatment inhibited the viability of cells from CML patients (n = 4). The cell cycle status and several critical regulators were altered upon AgNPs treatment as well. All these cellular and molecular alterations caused by AgNPs exposure could be reversed by the addition of Vitamin C (an antioxidant). These results suggested that proper usage of AgNPs would be of great significance for CML treatment in future.

MATERIALS
Product Number
Brand
Product Description

Silver, foil, not light tested, 300x300mm, thickness 0.025mm, as rolled, 99.95+%
Silver, foil, not light tested, 50x50mm, thickness 0.007mm, 99.97%
Silver, foil, 25mm disks, thickness 0.25mm, as rolled, 99.99+%
Silver, foil, 15mm disks, thickness 0.25mm, as rolled, 99.99+%
Silver, foil, 50mm disks, thickness 0.125mm, as rolled, 99.95+%
Silver, foil, 25mm disks, thickness 0.5mm, as rolled, 99.95+%
Silver, foil, 15mm disks, thickness 0.009mm, 99.97%
Silver, foil, 50mm disks, thickness 0.008mm, 99.95+%
Silver, foil, 2m coil, thickness 0.0125mm, coil width 9mm, 99.95+%
Silver, foil, 25mm disks, thickness 0.025mm, as rolled, 99.99+%
Silver, foil, 15mm disks, thickness 0.125mm, annealed, 99.95+%
Silver, foil, 25mm disks, thickness 1.0mm, as rolled, 99.99+%
Silver, foil, 6mm disks, thickness 0.005mm, 99.97%
Silver, foil, 4mm disks, thickness 0.1mm, as rolled, 99.95+%
Silver, foil, 15mm disks, thickness 0.008mm, 99.97%
Silver, foil, 4mm disks, thickness 0.5mm, as rolled, 99.99+%
Silver, foil, 25mm disks, thickness 0.5mm, as rolled, 99.99+%
Silver, foil, 50mm disks, thickness 0.05mm, as rolled, 99.95+%
Silver, foil, 4mm disks, thickness 0.0025mm, 99.97%
Silver, foil, 25mm disks, thickness 0.009mm, 99.97%
Silver, foil, 4mm disks, thickness 0.015mm, 99.97%
Silver, foil, 25mm disks, thickness 1.0mm, as rolled, 99.95+%
Silver, foil, 50mm disks, thickness 0.01mm, 99.95+%
Silver, foil, 25mm disks, thickness 0.25mm, as rolled, 99.95+%
Silver, foil, 4mm disks, thickness 0.0125mm, 99.95+%
Silver, foil, 2m coil, thickness 0.035mm, as rolled, 99.95+%
Silver, foil, 4mm disks, thickness 0.004mm, 99.97%
Silver, foil, 50mm disks, thickness 0.125mm, annealed, 99.95+%
Silver, foil, 25mm disks, thickness 0.15mm, as rolled, 99.95+%
Silver, foil, 2m coil, thickness 0.0125mm, 99.95+%