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Cardiac RNAi therapy using RAGE siRNA/deoxycholic acid-modified polyethylenimine complexes for myocardial infarction.
Abstract Inflammatory response in myocardial ischemia-reperfusion injury plays a critical role in ventricular remodeling. To avoid deleterious effects of overwhelming inflammation, we blocked the expression of receptor for advanced glycation end-products (RAGE), a key mediator of the local and systemic inflammatory responses, via RNAi mechanism. Herein, a facial amphipathic deoxycholic acid-modified low molecular weight polyethylenimine (DA-PEI) was used as a siRNA delivery carrier to myocardium. The DA-PEI conjugate formed a stable complex with siRNA via electrostatic and hydrophobic interactions. The siRAGE/DA-P...
Source: Biomaterials - June 7, 2014 Category: Materials Science Authors: Hong J, Ku SH, Lee MS, Jeong JH, Mok H, Choi D, Kim SH Tags: Biomaterials Source Type: research

Delivery of Nox2-NADPH oxidase siRNA with polyketal nanoparticles for improving cardiac function following myocardial infarction.
This study highlights the potential of polyketals as siRNA delivery vehicles to the MI heart and represents a viable therapeutic approach for targeting oxidative stress. PMID: 23856052 [PubMed - as supplied by publisher]
Source: Biomaterials - July 12, 2013 Category: Materials Science Authors: Somasuntharam I, Boopathy AV, Khan RS, Martinez MD, Brown ME, Murthy N, Davis ME Tags: Biomaterials Source Type: research