Nanoparticle‐Mediated siRNA Delivery and Multifunctional Modification Strategies for Effective Cancer Therapy

RNA interference (RNAi), which can inhibit the expression or transcription of specific genes, is considered to be a revolutionary tool for mediating gene therapy. Small interfering RNA (siRNA) is an important therapeutic agent for RNAi. However, the clinical application of siRNA‐based gene silencing is still limited due to the easy degradation of siRNA during the circulation in the body and the difficulty in delivering siRNA to desired tissues and cells. The rapid development of nanotechnology provides new ideas for siRNA delivery and a large variety of nanocarriers have been designed to solve the problems of siRNA delivery including easy degradation, lack of targeting ability, poor internalization ability, easy to cause induction of immune response and so on. Here, this review introduces the mechanism of RNAi in gene therapy, then summarizes the developments on nanocarriers for siRNA delivery, and specially focuses on the functional modification strategies of nanocarriers to construct multifunctional siRNA delivery vectors. Lastly, the future development and challenges of siRNA delivery vector are discussed, along with the current application of siRNA in tumor treatment clinical trials. It is hoped that this review can provide useful information to help transform siRNA‐mediated gene therapy into clinical application.

• Publication year

  2021

• Venue

  Advanced Materials & Technologies

• Publication date

  2021-05-14

• Fields of study

  Medicine, Materials Science

• Identifiers
  DOI 10.1002/admt.202001236
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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