Systemic delivery of morpholino oligonucleotide restores dystrophin expression bodywide and improves dystrophic pathology

Julia Alter, Fang Lou, Adam Rabinowitz, HaiFang Yin, Jeffrey Rosenfeld, Steve D Wilton, Terence A Partridge, Qi Long Lu
Nature Medicine 2006, 12 (2): 175-7
For the majority of Duchenne muscular dystrophy (DMD) mutations, antisense oligonucleotide (AON)-mediated exon skipping has the potential to restore a functional protein. Here we show that weekly intravenous injections of morpholino phosphorodiamidate (morpholino) AONs induce expression of functional levels of dystrophin in body-wide skeletal muscles of the dystrophic mdx mouse, with resulting improvement in muscle function. Although the level of dystrophin expression achieved varies considerably between muscles, antisense therapy may provide a realistic hope for the treatment of a majority of individuals with DMD.


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