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Cancer cell-targeted cisplatin prodrug delivery in vivo via metabolic labeling and bioorthogonal click reaction

机译:癌细胞靶向的顺铂前药物在体内通过代谢标记和生物正交咔哒反应

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摘要

The discrepancy of surface receptors on cancerous and non-cancerous cells has been regarded as the mainstay of cancer-targeted therapy. However, due to the heterogeneity of tumor cells and the insufficient levels of receptors on the tumor cell surface, the success of cancer cell-targeted therapies is largely limited. Histone deacetylase/cathepsin l-responsive acetylated azidomannose (DCL-AAM) was previously developed to effectively and selectively label cancer cell surfaces with reactive azido groups via sugar metabolism. Herein, the labeling kinetics and generality of DCL-AAM were systematically investigated in varieties of tumor cells in vitro and in SKOV3 xenograft tumors in vivo. Based on this, dibenzocyclooctyne-cisplatin (DBCO-Pt) prodrug was developed, and DCL-AAM-mediated metabolic labeling of SKOV3 cells enhanced the tumor accumulation of DBCO-Pt similar to 2 fold via bioorthogonal click chemistry, potentiating the anti-tumor efficacy of cisplatin yet alleviating the systemic toxicity. This work, therefore, provides the experimental and theoretical support for the future design of sugar metabolism-based targeted delivery systems and may provide a promising candidate for the treatment of cancers lacking appropriate biomarkers.
机译:表面受体对癌症和非癌细胞的差异已被视为癌症靶向治疗的主干。然而,由于肿瘤细胞的异质性和肿瘤细胞表面上的受体水平不足,癌细胞靶向疗法的成功在很大程度上是有限的。先前通过糖代谢有效地和选择性地标记具有反应性Azido基团的组蛋白脱乙酰酶/表达乙酰化乙酰化乙酰化α-响应乙酰化α-响应物(DCL-AAM)。在此,在体外和SKOV3异种移植肿瘤中系统地研究DCL-AAM的标记动力学和普及的DCL-AAM的一般性研究。基于此,开发了二苯苄溶细胞辛酸酯 - 顺铂(DBCO-PT)前药,SKOV3细胞的DCL-AAM介导的代谢标记增强了DBCO-PT的肿瘤积累,类似于二进制正交点击化学,增强了抗肿瘤效果Cisplatin但缓解了全身毒性。因此,这项工作为未来的基于糖代谢的靶向递送系统设计提供了实验和理论支持,并且可以为缺乏适当生物标志物的癌症提供有希望的候选者。

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  • 来源
    《Biomaterials Science》 |2021年第4期|共12页
  • 作者单位

    Soochow Univ Collaborat Innovat Ctr Suzhou Nano Sci &

    Technol Jiangsu Key Bahoratoty Carbon Based Funct Mat &

    D Inst Funct Nano &

    Soft Mat FUNSOM Suzhou 215123 Peoples R China;

    Soochow Univ Collaborat Innovat Ctr Suzhou Nano Sci &

    Technol Jiangsu Key Bahoratoty Carbon Based Funct Mat &

    D Inst Funct Nano &

    Soft Mat FUNSOM Suzhou 215123 Peoples R China;

    Univ Illinois Dept Mat Sci &

    Engn Urbana IL 61801 USA;

    Soochow Univ Collaborat Innovat Ctr Suzhou Nano Sci &

    Technol Jiangsu Key Bahoratoty Carbon Based Funct Mat &

    D Inst Funct Nano &

    Soft Mat FUNSOM Suzhou 215123 Peoples R China;

    Soochow Univ Collaborat Innovat Ctr Suzhou Nano Sci &

    Technol Jiangsu Key Bahoratoty Carbon Based Funct Mat &

    D Inst Funct Nano &

    Soft Mat FUNSOM Suzhou 215123 Peoples R China;

    Soochow Univ Affiliated Hosp 2 Dept Thorac Surg Suzhou 215004 Peoples R China;

    Soochow Univ Collaborat Innovat Ctr Suzhou Nano Sci &

    Technol Jiangsu Key Bahoratoty Carbon Based Funct Mat &

    D Inst Funct Nano &

    Soft Mat FUNSOM Suzhou 215123 Peoples R China;

    Univ Illinois Dept Mat Sci &

    Engn Urbana IL 61801 USA;

    Soochow Univ Collaborat Innovat Ctr Suzhou Nano Sci &

    Technol Jiangsu Key Bahoratoty Carbon Based Funct Mat &

    D Inst Funct Nano &

    Soft Mat FUNSOM Suzhou 215123 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 分子生物学;
  • 关键词

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