Virus-Mimicking Chimaeric Polymersomes Boost Targeted Cancer siRNA Therapy In Vivo

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 29(2017), 42 vom: 06. Nov.
1. Verfasser: Zou, Yan (VerfasserIn)
Weitere Verfasser: Zheng, Meng, Yang, Weijing, Meng, Fenghua, Miyata, Kanjiro, Kim, Hyun Jin, Kataoka, Kazunori, Zhong, Zhiyuan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article lung cancer polymeric vesicles reduction-sensitive siRNA targeted delivery RNA, Small Interfering
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520 |a Small interfering RNA (siRNA) offers a highly selective and effective pharmaceutical for various life-threatening diseases, including cancers. The clinical translation of siRNA is, however, challenged by its short plasma life, poor cell uptake, and cumbersome intracellular trafficking. Here, cNGQGEQc peptide-functionalized reversibly crosslinked chimaeric polymersomes (cNGQ/RCCPs) is shown to mediate high-efficiency targeted delivery of Polo-like kinase1 specific siRNA (siPLK1) to orthotopic human lung cancer in nude mice. Strikingly, siRNA is completely and tightly loaded into the aqueous lumen of the polymersomes at an unprecedentedly low N/P ratio of 0.45. cNGQ/RCCPs loaded with firefly luciferase specific siRNA (siGL3) or siPLK1 are efficiently taken up by α3 β1 -integrin-overexpressing A549 lung cancer cells and quickly release the payloads to the cytoplasm, inducing highly potent and sequence-specific gene silencing in vitro. The in vivo studies using nude mice bearing orthotopic A549 human lung tumors reveal that siPLK1-loaded cNGQ/RCCPs boost long circulation, superb tumor accumulation and selectivity, effective suppression of tumor growth, and significantly improved survival time. These virus-mimicking chimaeric polymersomes provide a robust and potent platform for targeted cancer siRNA therapy 
650 4 |a Journal Article 
650 4 |a lung cancer 
650 4 |a polymeric vesicles 
650 4 |a reduction-sensitive 
650 4 |a siRNA 
650 4 |a targeted delivery 
650 7 |a RNA, Small Interfering  |2 NLM 
700 1 |a Zheng, Meng  |e verfasserin  |4 aut 
700 1 |a Yang, Weijing  |e verfasserin  |4 aut 
700 1 |a Meng, Fenghua  |e verfasserin  |4 aut 
700 1 |a Miyata, Kanjiro  |e verfasserin  |4 aut 
700 1 |a Kim, Hyun Jin  |e verfasserin  |4 aut 
700 1 |a Kataoka, Kazunori  |e verfasserin  |4 aut 
700 1 |a Zhong, Zhiyuan  |e verfasserin  |4 aut 
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773 1 8 |g volume:29  |g year:2017  |g number:42  |g day:06  |g month:11 
856 4 0 |u http://dx.doi.org/10.1002/adma.201703285  |3 Volltext 
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