A surface-charge study on cellular-uptake behavior of F3-peptide-conjugated iron oxide nanoparticles.

A surface-charge study on cellular-uptake behavior of F3-peptide-conjugated iron oxide nanoparticles.
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一项关于F3肽偶联铁氧化铁纳米颗粒的细胞摄取行为的表面收费研究。

DOI:
10.1002/smll.200900520
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发表时间:
2009-09
期刊:
影响因子:
13.3
通讯作者:
Ozkan, Cengiz
Ozkan, Cengiz
中科院分区:
材料科学1区
文献类型:
--
作者:
Zhang, Yu;Yang, Mo;Park, Ji-Ho;Singelyn, Jennifer;Ma, Huiqing;Sailor, Michael J.;Ruoslahti, Erkki;Ozkan, Mihrimah;Ozkan, Cengiz

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哺乳动物细胞的表面电荷测量Zeta电位被证明是一个有用的生物学特性,在确定细胞与特定纳米材料的相互作用。建立了细胞与纳米粒子孵育后Zeta电位变化的理论模型,预测了Zeta电位变化的可能模式,揭示了纳米粒子的结合和内化效应。实验结果显示了Zeta电位变化的不同模式,当细胞与含有肿瘤归巢F3肽的葡聚糖包被的氧化铁纳米颗粒一起孵育时,该模式允许区分人正常乳腺上皮细胞(MCF-10A)与人癌症乳腺上皮细胞(MCF-7),其中肿瘤归巢F3肽特异性结合在癌症乳腺细胞中过表达的核仁素受体。
Surface-charge measurements of mammalian cells in terms of Zeta potential are demonstrated as a useful biological characteristic in identifying cellular interactions with specific nanomaterials. A theoretical model of the changes in Zeta potential of cells after incubation with nanoparticles is established to predict the possible patterns of Zeta-potential change to reveal the binding and internalization effects. The experimental results show a distinct pattern of Zeta potential change that allows the discrimination of human normal breast epithelial cells (MCF-10A) from human cancer breast epithelial cells (MCF-7) when the cells are incubated with dextran coated iron oxide nanoparticles that contain tumor-homing F3 peptides, where the tumor-homing F3 peptide specifically bound to nucleolin receptors that are overexpressed in cancer breast cells.
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影响因子: 11.1
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