Targeted mitochondrial delivery of antisense RNA-containing nanoparticles by a MITO-Porter for safe and efficient mitochondrial gene silencing.
Mitochondrion(2019)
摘要
Mitochondrial gene therapy will be needed to treat mitochondrial diseases. We previously demonstrated mitochondrial gene silencing by the mitochondrial delivery of antisense RNA oligonucleotide (ASO) targeting mtDNA-encoded mRNA using a MITO-Porter, a liposomal nano carrier system designed for mitochondrial delivery. Here, we report on the efficient packaging of ASO in the MITO-Porter via a nanoparticle packaging method, which showed a 10-fold higher packaging efficiency than the conventional method. The constructed carrier showed a decrease in the target mRNA levels and ATP production. These results indicate that such a MITO-Porter has potential for use in therapies designed to regulate mitochondrial function.
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关键词
Mitochondrial RNA knockdown,Mitochondrial drug delivery,MITO-porter,Nucleic acids delivery,Nucleic acids medicine
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