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miRNA nanotherapeutics for cancer

机译:miRNA纳米治疗癌症

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摘要

MicroRNAs (miRNAs) are noncoding RNA molecules that regulate gene expression through diverse mechanisms. Increasing evidence suggests that miRNA-based therapies, either restoring or repressing miRNA expression and activity, hold great promise. However, the efficient delivery of miRNAs to target tissues is a major challenge in the transition of miRNA therapy to the clinic. Cationic polymers or viral vectors are efficient delivery agents but their systemic toxicity and immunogenicity limit their clinical usage. Efficient targeting and sustained release of miRNAs/anti-miRNAs using nanoparticles (NPs) conjugated with antibodies and/or peptides could reduce the required therapeutic dosage while minimizing systemic and cellular toxicity. Given their importance in clinical oncology, here we focus on the development of miRNA nanoformulations to achieve enhanced cellular uptake, bioavailability, and accumulation at the tumor site.
机译:MicroRNAs(miRNA)是通过各种机制调节基因表达的非沉积RNA分子。 越来越多的证据表明基于miRNA的疗法,要么恢复或压制miRNA表达和活动,都具有很大的承诺。 然而,MiRNA对靶组织的有效递送是MiRNA治疗到临床的主要挑战。 阳离子聚合物或病毒载体是有效的输送剂,但其全身毒性和免疫原性限制了它们的临床使用。 使用与抗体和/或肽缀合的纳米粒子(NPS)的纳米粒子/抗mIRNA的高效靶向和持续释放可以减少所需的治疗剂量,同时最小化系统性和细胞毒性。 鉴于他们在临床肿瘤学中的重要性,这里我们专注于MiRNA纳米族种类的发展,以实现增强的细胞吸收,生物利用度和肿瘤部位积累。

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  • 来源
    《Drug discovery today》 |2017年第2期|共9页
  • 作者单位

    Univ Tennessee Hlth Sci Ctr Dept Pharmaceut Sci Memphis TN 38163 USA;

    Univ Tennessee Hlth Sci Ctr Dept Pharmaceut Sci Memphis TN 38163 USA;

    Univ Tennessee Hlth Sci Ctr Dept Pharmaceut Sci Memphis TN 38163 USA;

    Univ Tennessee Hlth Sci Ctr Dept Surg Memphis TN 38163 USA;

    Univ Tennessee Hlth Sci Ctr Dept Pharmaceut Sci Memphis TN 38163 USA;

    Univ Tennessee Hlth Sci Ctr Dept Pharmaceut Sci Memphis TN 38163 USA;

    Univ Tennessee Hlth Sci Ctr Dept Pharmaceut Sci Memphis TN 38163 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 药学;
  • 关键词

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