Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23, rue du Loess, 67034 Strasbourg, France.
Laboratoire de Chimie des Polymères Organiques (LCPO), CNRS UMR 5629, Université de Bordeaux, Bordeaux-INP, Pessac 33607, Cedex, France.
Biochim Biophys Acta Gen Subj. 2017 Jun;1861(6):1617-1641. doi: 10.1016/j.bbagen.2017.02.025. Epub 2017 Feb 24.
The use of an alternating magnetic field (AMF) to generate non-invasively and spatially a localized heating from a magnetic nano-mediator has become very popular these last years to develop magnetic hyperthermia (MH) as a promising therapeutic modality already used in the clinics. AMF has become highly attractive this last decade over others radiations, as AMF allows a deeper penetration in the body and a less harmful ionizing effect. In addition to pure MH which induces tumor cell death through local T elevation, this AMF-generated magneto-thermal effect can also be exploited as a relevant external stimulus to trigger a drug release from drug-loaded magnetic nanocarriers, temporally and spatially. This review article is focused especially on this concept of AMF induced drug release, possibly combined with MH. The design of such magnetically responsive drug delivery nanoplatforms requires two key and complementary components: a magnetic mediator which collects and turns the magnetic energy into local heat, and a thermoresponsive carrier ensuring thermo-induced drug release, as a consequence of magnetic stimulus. A wide panel of magnetic nanomaterials/chemistries and processes are currently developed to achieve such nanoplatforms. This review article presents a broad overview about the fundamental concepts of drug releasing nanoplatforms activated by AMF, their formulations, and their efficiency in vitro and in vivo. This article is part of a Special Issue entitled "Recent Advances in Bionanomaterials" Guest Editors: Dr. Marie-Louise Saboungi and Dr. Samuel D. Bader.
近年来,利用交变磁场(AMF)从磁性纳米介体非侵入性地和空间上产生局部加热,已成为开发磁热疗(MH)的一种很受欢迎的方法,MH 已作为一种有前途的治疗方式在临床上得到应用。在过去的十年中,与其他辐射相比,AMF 变得非常有吸引力,因为 AMF 允许更深地穿透身体并减少电离效应的危害。除了通过局部 T 升高诱导肿瘤细胞死亡的纯 MH 之外,这种 AMF 产生的磁热效应也可以被利用作为相关的外部刺激,以从载药磁性纳米载体中时空释放药物。本文特别关注 AMF 诱导药物释放的这一概念,可能与 MH 结合使用。这种磁响应药物递送纳米平台的设计需要两个关键且互补的组件:收集并将磁能转化为局部热量的磁性介体,以及确保热诱导药物释放的热敏载体,作为磁刺激的结果。目前正在开发广泛的磁性纳米材料/化学物质和工艺来实现这种纳米平台。本文对 AMF 激活的药物释放纳米平台的基本概念、配方及其在体外和体内的效率进行了全面概述。本文是题为“生物纳米材料的最新进展”的特刊的一部分,客座编辑:Marie-Louise Saboungi 博士和 Samuel D. Bader 博士。
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