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Design of an 'Active Defense' System as Drug Carriers for Cancer Therapy

机译:作为癌症治疗药物载体的“主动防御”系统设计

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摘要

A novel Intelligent "active defense" system that can specially respond to cancerous tissues for drug release was designed and prepared. The "active defense" system consists of a biodegradable dextran microgel core crosslinked by a Schiff's base and a surrounding layer formed by Layer-by-Layer (LbL) assembly. The loading and release of macromotecuiar model drug, dexFITC, as well as antineoplastic drug, DOX, was investigated. The in vitro cell inhibition and drug release behavior of the drug delivery system were studied and the results showed that the entrapped drug could be explosively released from the microcapsules and thereafter taken up by cancer cells upon the trigger of the acidic environment around tumor tissues.
机译:设计并准备了一种新颖的智能“主动防御”系统,该系统可以对癌组织做出特殊反应以释放药物。 “主动防御”系统由通过席夫氏碱交联的可生物降解的葡聚糖微凝胶核心和由逐层(LbL)组件形成的周围层组成。研究了大分子模型药物dexFITC和抗肿瘤药DOX的负载和释放。研究了药物递送系统的体外细胞抑制和药物释放行为,结果表明,被包埋的药物可以从微胶囊中爆炸性释放,然后在肿瘤组织周围的酸性环境触发后被癌细胞吸收。

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  • 来源
    《Advanced Functional Materials》 |2012年第8期|p.1704-1710|共7页
  • 作者单位

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

    Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry Wuhan University Wuhan 430072, China;

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