RRC ID 43189
Author Yamada Y, Akita H, Kamiya H, Kogure K, Yamamoto T, Shinohara Y, Yamashita K, Kobayashi H, Kikuchi H, Harashima H.
Title MITO-Porter: A liposome-based carrier system for delivery of macromolecules into mitochondria via membrane fusion.
Journal Biochim Biophys Acta
Abstract Mitochondria are the principal producers of energy in higher cells. Mitochondrial dysfunction is implicated in a variety of human diseases, including cancer and neurodegenerative disorders. Effective medical therapies for such diseases will ultimately require targeted delivery of therapeutic proteins or nucleic acids to the mitochondria, which will be achieved through innovations in the nanotechnology of intracellular trafficking. Here we describe a liposome-based carrier that delivers its macromolecular cargo to the mitochondrial interior via membrane fusion. These liposome particles, which we call MITO-Porters, carry octaarginine surface modifications to stimulate their entry into cells as intact vesicles (via macropinocytosis). We identified lipid compositions for the MITO-Porter which promote both its fusion with the mitochondrial membrane and the release of its cargo to the intra-mitochondrial compartment in living cells. Thus, the MITO-Porter holds promise as an efficacious system for the delivery of both large and small therapeutic molecules into mitochondria.
Volume 1778(2)
Pages 423-32
Published 2008-2-1
DOI 10.1016/j.bbamem.2007.11.002
PII S0005-2736(07)00429-4
PMID 18054323
MeSH Animals HeLa Cells Humans Liposomes* Male Membrane Fusion* Microscopy, Fluorescence Mitochondria, Liver / metabolism* Rats Rats, Wistar
IF 3.411
Times Cited 155
WOS Category BIOPHYSICS BIOCHEMISTRY & MOLECULAR BIOLOGY
Resource
Human and Animal Cells HeLa(RCB0007)