Triggering Passive Molecular Transport into Cells with a Combination of Inhomogeneous Magnetic Fields and Magnetic Nanoparticles

Triggering Passive Molecular Transport into Cells with a Combination of Inhomogeneous Magnetic Fields and Magnetic Nanoparticles
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通过不均匀磁场和磁性纳米粒子的组合触发被动分子运输进入细胞

DOI:
10.1021/acsanm.9b02537
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发表时间:
2020
影响因子:
5.9
通讯作者:
Rafferty, Ryan J.
Rafferty, Ryan J.
中科院分区:
材料科学2区
文献类型:
--
作者:
Hulangamuwa, Wasundara;Acharya, Basanta;Chikan, Viktor;Rafferty, Ryan J.

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微孔技术通过机械、电或磁模拟促进分子被动运输进入细胞。在这项工作中,展示了一种组合微孔技术,利用小的超顺磁颗粒和非均匀磁脉冲。这种微孔技术用于促进模型治疗剂(阿霉素)进入U937癌细胞系的运输。这项工作表明,当细胞仅暴露于少数不均匀磁脉冲时,阿霉素到U-937癌细胞系的药物转运增加了75%。增加的运输导致更有效地破坏癌细胞,表明该技术可用于提高普通癌症药物的有效性。结果还表明,磁性颗粒的存在或磁场的存在对癌症药物存在下的细胞活力没有显着影响。
Microporation techniques facilitate the passive transport of molecules into cells via mechanical, electrical, or magnetic simulation. In this work, a combinatorial microporation technique is demonstrated utilizing small superparamagnetic particles and inhomogeneous magnetic pulses. This microporation technique is applied to facilitate the transport of a model therapeutic agent (doxorubicin) into the U937 cancer cell line. This work demonstrates that the drug transport of doxorubicin to the U-937 cancer line increases by 75% when the cells are exposed to only a few inhomogeneous magnetic pulses. The increased transport resulted in more effective destruction of the cancer cells demonstrating that the technique can be utilized to increase the effectiveness of common cancer drugs. The results also demonstrate that the presence of the magnetic particles or the presence of the magnetic fields does not show significant effect on cell viability in the presence of cancer drugs.
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