Investigating the mechanism of acoustically activated uptake of drugs from Pluronic micelles.

Investigating the mechanism of acoustically activated uptake of drugs from Pluronic micelles.
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研究了来自pluronic胶束的声学激活的药物的机制。

DOI:
10.1186/1471-2407-2-20
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发表时间:
2002-08-30
期刊:
影响因子:
3.8
通讯作者:
Pitt, WG
Pitt, WG
中科院分区:
医学2区
文献类型:
--
作者:
Husseini, GA;Runyan, CM;Pitt, WG

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本文探讨了超声增强Pluronic胶束药物释放的机理。在我们小组以前的出版物中,荧光标记的普朗尼克被证明可以在有和没有超声作用的情况下穿透HL-60细胞,而药物摄取随着超声的应用而增加。在这项研究中,两种荧光探针,Lysosensor绿色(pH敏感的探针)和细胞跟踪器橙子CMTMR(pH无关的探针)的摄取量,在HL-60和HeLa细胞进行了测量。我们的实验结果表明,超声处理导致的细胞中药物积累的增加不是由于超声处理导致的内吞作用的增加。我们推测,声致孔作用在声激活的化疗药物从Pluronic胶束递送中起着重要的作用。
This paper examines the mechanism of ultrasonic enhanced drug delivery from Pluronic micelles. In previous publications by our group, fluorescently labeled Pluronic was shown to penetrate HL-60 cells with and without the action of ultrasound, while drug uptake was increased with the application of ultrasound. In this study, the amount of uptake of two fluorescent probes, Lysosensor Green (a pH-sensitive probe) and Cell Tracker Orange CMTMR (a pH-independent probe), was measured in HL-60 and HeLa cells. The results of our experiments show that the increase in drug accumulation in the cells as a result of ultrasonication is not due to an increase in endocytosis due to ultrasonication. We hypothesize that sonoporation plays an important role in the acoustically activated drug delivery of chemotherapy drugs delivered from Pluronic micelles.
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发表时间: 1997-05-01
影响因子: 5.4
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