Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review

RNA interference (RNAi) was first literaturally reported in 1998 and has become rapidly a promising tool for therapeutic applications in gene therapy. In a typical RNAi process, small interfering RNAs (siRNA) are used to specifically downregulate the expression of the targeted gene, known as the ter...

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Main Authors: Jiangyu Wu, Weizhe Huang, Ziying He
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2013/630654
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author Jiangyu Wu
Weizhe Huang
Ziying He
author_facet Jiangyu Wu
Weizhe Huang
Ziying He
author_sort Jiangyu Wu
collection DOAJ
description RNA interference (RNAi) was first literaturally reported in 1998 and has become rapidly a promising tool for therapeutic applications in gene therapy. In a typical RNAi process, small interfering RNAs (siRNA) are used to specifically downregulate the expression of the targeted gene, known as the term “gene silencing.” One key point for successful gene silencing is to employ a safe and efficient siRNA delivery system. In this context, dendrimers are emerging as potential nonviral vectors to deliver siRNA for RNAi purpose. Dendrimers have attracted intense interest since their emanating research in the 1980s and are extensively studied as efficient DNA delivery vectors in gene transfer applications, due to their unique features based on the well-defined and multivalent structures. Knowing that DNA and RNA possess a similar structure in terms of nucleic acid framework and the electronegative nature, one can also use the excellent DNA delivery properties of dendrimers to develop effective siRNA delivery systems. In this review, the development of dendrimer-based siRNA delivery vectors is summarized, focusing on the vector features (siRNA delivery efficiency, cytotoxicity, etc.) of different types of dendrimers and the related investigations on structure-activity relationship to promote safe and efficient siRNA delivery system.
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spelling doaj-art-4d72346aabe64577b67adb614ccd519e2025-02-03T01:22:15ZengWileyThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/630654630654Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A ReviewJiangyu Wu0Weizhe Huang1Ziying He2School of Materials Science & Engineering, Wuhan Institute of Technology, 693 Xiong Chu Road, Wuhan 430073, ChinaSchool of Materials Science & Engineering, Wuhan Institute of Technology, 693 Xiong Chu Road, Wuhan 430073, ChinaSchool of Materials Science & Engineering, Wuhan Institute of Technology, 693 Xiong Chu Road, Wuhan 430073, ChinaRNA interference (RNAi) was first literaturally reported in 1998 and has become rapidly a promising tool for therapeutic applications in gene therapy. In a typical RNAi process, small interfering RNAs (siRNA) are used to specifically downregulate the expression of the targeted gene, known as the term “gene silencing.” One key point for successful gene silencing is to employ a safe and efficient siRNA delivery system. In this context, dendrimers are emerging as potential nonviral vectors to deliver siRNA for RNAi purpose. Dendrimers have attracted intense interest since their emanating research in the 1980s and are extensively studied as efficient DNA delivery vectors in gene transfer applications, due to their unique features based on the well-defined and multivalent structures. Knowing that DNA and RNA possess a similar structure in terms of nucleic acid framework and the electronegative nature, one can also use the excellent DNA delivery properties of dendrimers to develop effective siRNA delivery systems. In this review, the development of dendrimer-based siRNA delivery vectors is summarized, focusing on the vector features (siRNA delivery efficiency, cytotoxicity, etc.) of different types of dendrimers and the related investigations on structure-activity relationship to promote safe and efficient siRNA delivery system.http://dx.doi.org/10.1155/2013/630654
spellingShingle Jiangyu Wu
Weizhe Huang
Ziying He
Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review
The Scientific World Journal
title Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review
title_full Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review
title_fullStr Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review
title_full_unstemmed Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review
title_short Dendrimers as Carriers for siRNA Delivery and Gene Silencing: A Review
title_sort dendrimers as carriers for sirna delivery and gene silencing a review
url http://dx.doi.org/10.1155/2013/630654
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