Intracellular delivery of nanocarriers and targeting to subcellular organelles (original) (raw)

Expert opinion on drug delivery, 2016

Abstract

Recent trends in drug delivery indicate a steady increase in the use of targeted therapeutics to enhance the specific delivery of biologically active payloads to diseased tissues while avoiding their off-target effects. However, in most cases, the distribution of therapeutics inside cells and their targeting to intracellular targets still presents a formidable challenge. The main barrier to intracellular delivery is the translocation of therapeutic molecules across the cell membrane, and ultimately through the membrane of their intracellular target organelles. Another prerequisite for an efficient intracellular localization of active molecules is their escape from the endocytic pathway. Pharmaceutical nanocarriers have demonstrated substantial advantages for the delivery of therapeutics and offer elegant platforms for intracellular delivery. They can be engineered with both intracellular and organelle-specific targeting moieties to deliver encapsulated or conjugated cargoes to speci...

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