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Issue 6, 2018
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Engineering functional inorganic–organic hybrid systems: advances in siRNA therapeutics

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Abstract

Cancer treatment still faces a lot of obstacles such as tumor heterogeneity, drug resistance and systemic toxicities. Beyond the traditional treatment modalities, exploitation of RNA interference (RNAi) as an emerging approach has immense potential for the treatment of various gene-caused diseases including cancer. The last decade has witnessed enormous research and achievements focused on RNAi biotechnology. However, delivery of small interference RNA (siRNA) remains a key challenge in the development of clinical RNAi therapeutics. Indeed, functional nanomaterials play an important role in siRNA delivery, which could overcome a wide range of sequential physiological and biological obstacles. Nanomaterial-formulated siRNA systems have potential applications in protection of siRNA from degradation, improving the accumulation in the target tissues, enhancing the siRNA therapy and reducing the side effects. In this review, we explore and summarize the role of functional inorganic–organic hybrid systems involved in the siRNA therapeutic advancements. Additionally, we gather the surface engineering strategies of hybrid systems to optimize for siRNA delivery. Major progress in the field of inorganic–organic hybrid platforms including metallic/non-metallic cores modified with organic shells or further fabrication as the vectors for siRNA delivery is discussed to give credit to the interdisciplinary cooperation between chemistry, pharmacy, biology and medicine.

Graphical abstract: Engineering functional inorganic–organic hybrid systems: advances in siRNA therapeutics

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Article information


Submitted
28 Jun 2017
First published
08 Feb 2018

Chem. Soc. Rev., 2018,47, 1969-1995
Article type
Review Article

Engineering functional inorganic–organic hybrid systems: advances in siRNA therapeutics

J. Shen, W. Zhang, R. Qi, Z. Mao and H. Shen, Chem. Soc. Rev., 2018, 47, 1969
DOI: 10.1039/C7CS00479F

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