Multifunctional nanocarriers - PubMed (original) (raw)

Review

. 2006 Dec 1;58(14):1532-55.

doi: 10.1016/j.addr.2006.09.009. Epub 2006 Sep 28.

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Review

Multifunctional nanocarriers

Vladimir P Torchilin. Adv Drug Deliv Rev. 2006.

Abstract

Currently used pharmaceutical nanocarriers, such as liposomes, micelles, nanoemulsions, polymeric nanoparticles and many others demonstrate a broad variety of useful properties, such as longevity in the blood allowing for their accumulation in pathological areas with compromised vasculature; specific targeting to certain disease sites due to various targeting ligands attached to the surface of the nanocarriers; enhanced intracellular penetration with the help of surface-attahced cell-penetrating molecules; contrast properties due to the carrier loading with various contrast materials allowing for direct carrier visualization in vivo; stimuli-sensitivity allowing for drug release from the carriers under certain physiological conditions, and others. Some of those pharmaceutical carriers have already made their way into clinic, while others are still under preclinical development. What could be seen much more rare, however, are the pharmaceutical nanocarriers combining several from the listed abilities. Long-circulating immunoliposomes capable of prolonged residence in the blood and specific target recognition represent one of few examples of this kind. At the same time, the enginnering of multifunctional pharmaceutical nanocarriers combinig several useful preoperties in one particle can significantly enhance the efficacy of many therapeutic and diagnostic protocols. This paper considers current status and possible future directions in the emerging area of multifunctional nanocarriers with primary attention on the combination of such properties as longevity, targetability, intracellular penetration and contrast loading.

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