Nat. Comms.:包裹化疗药物的囊泡的制备方法

2013-05-06 中国医学科学院 中国医学科学院

近日我国科学家黄波在Nature Communications杂志发表了题为“Delivery of Chemotherapeutic Drugs in Tumor Cell-derived Microparticles”(肿瘤细胞来源的微颗粒靶向化疗药物 )的论文,论述了一种世界首创的,将靶向性治疗、细胞毒治疗及免疫治疗紧密结合的全新肿瘤治疗技术。此次已是黄波教授年内在Nature集团杂志发表的

近日我国科学家黄波在Nature Communications杂志发表了题为“Delivery of Chemotherapeutic Drugs in Tumor Cell-derived Microparticles”(肿瘤细胞来源的微颗粒靶向化疗药物 )的论文,论述了一种世界首创的,将靶向性治疗、细胞毒治疗及免疫治疗紧密结合的全新肿瘤治疗技术。此次已是黄波教授年内在Nature集团杂志发表的第二篇专业性论文。

Nature Communications一经创刊即被SCI (Science Citation Index 科学引文索引)收录,是Nature集团下致力于出版生物、物理、化学等多领域多学科高质量研究的期刊,其上发表的论文代表了论文所属领域的重要发展。

论文通信作者黄波教授,2002年毕业于华中科技大学同济医学院,获生物化学与分子生物学专业博士学位,主要研究方向为肿瘤免疫学与肿瘤生物治疗。

上述论文论证了一种新型肿瘤治疗技术。该项技术是世界上首次利用肿瘤细胞凋亡过程中产生的不含有生命活性且与肿瘤细胞同源的囊泡作为载体包裹化疗药物,再将化疗药物输送到肿瘤组织,从而克服化疗药物对正常组织损伤所造成的毒副作用;利用肿瘤细胞无限增殖的特征,以肿瘤细胞为原料,并针对特定肿瘤建立一套有效包裹化疗药物的囊泡制备方法。

临床前动物体内研究也证实了该项技术在降低药物服用量、大幅延长耐药性产生周期、提高化疗药物治疗效率、降低药物副作用等方面的突破作用。目前,该项技术已获得国家专利授权、国际专利备案和香港专利备案。

化疗相关的拓展阅读:

Delivery of chemotherapeutic drugs in tumour cell-derived microparticles.
Abstract
Cellular microparticles are vesicular plasma membrane fragments with a diameter of 100-1,000 nanometres that are shed by cells in response to various physiological and artificial stimuli. Here we demonstrate that tumour cell-derived microparticles can be used as vectors to deliver chemotherapeutic drugs. We show that tumour cells incubated with chemotherapeutic drugs package these drugs into microparticles, which can be collected and used to effectively kill tumour cells in murine tumour models without typical side effects. We describe several mechanisms involved in this process, including uptake of drug-containing microparticles by tumour cells, synthesis of additional drug-packaging microparticles by these cells that contribute to the cytotoxic effect and the inhibition of drug efflux from tumour cells. This study highlights a novel drug delivery strategy with potential clinical application.

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    2014-03-01 liye789132251
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