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Polymeric Micelles: Theranostic Co-Delivery System for Poorly Water-Soluble Drugs and Contrast Agents

机译:聚合物胶束:水溶性较差的药物和造影剂的诊断性共递送系统

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摘要

Interest in theranostic agents has continued to grow because of their promise for simultaneous cancer detection and therapy. A platform-based nanosized combination agent suitable for the enhanced diagnosis and treatment of cancer was prepared using polymeric polyethylene glycol-phosphatidylethanolamine-based micelles loaded with both, poorly soluble chemotherapeutic agent paclitaxel and hydrophobic superparamagnetic iron oxide nanoparticles (SPION), a Magnetic Resonance Imaging contrast agent. The co-loaded paclitaxel and SPION did not affect each other’s functional properties in vitro. In vivo, the resulting paclitaxel-SPION-co-loaded PEG-PE micelles retained their Magnetic Resonance contrast properties and apoptotic activity in breast and melanoma tumor mouse models. Such theranostic systems are likely to play a significant role in the combined diagnosis and therapy that leads to a more personalized and effective form of treatment.
机译:由于它们有望同时进行癌症检测和治疗,因此对治疗治疗药物的兴趣持续增长。使用载有难溶性化疗剂紫杉醇和疏水性超顺磁性氧化铁纳米粒子(SPION)的聚合聚乙二醇-磷脂酰乙醇胺基胶束制备了适用于增强癌症诊断和治疗的基于平台的纳米级混合剂。造影剂。紫杉醇和SPION共同加载不会在体外影响彼此的功能特性。在体内,在乳腺癌和黑色素瘤肿瘤小鼠模型中,共紫杉醇-SPION共载的PEG-PE胶束保留了其磁共振对比特性和凋亡活性。这种治疗诊断系统可能在组合的诊断和治疗中起重要作用,从而导致更个性化和有效的治疗形式。

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