Enhanced therapeutic efficacy of iRGD-conjugated crosslinked multilayer liposomes for drug delivery.

Abstract:

:Targeting nanoparticles by conjugating various specific ligands has shown potential therapeutic efficacy in nanomedicine. However, poor penetration of antitumor drugs into solid tumors remains a major obstacle. Here, we describe a targeting strategy for antitumor drug delivery by conjugating a crosslinked multilamellar liposomal vesicle (cMLV) formulation with a tumor-penetrating peptide, iRGD. The results showed that iRGD peptides could facilitate the binding and cellular uptake of drug-loaded cMLVs and consequently enhance the antitumor efficacy in breast tumor cells, including multidrug-resistant cells. Moreover, colocalization data revealed that iRGD-conjugated cMLVs (iRGD-cMLVs) entered cells via the clathrin-mediated pathway, followed by endosome-lysosome transport for efficient drug delivery. Finally, in vivo study indicated that iRGD-cMLVs could deliver anticancer drugs efficiently to mediate significant tumor suppression.

journal_name

Biomed Res Int

authors

Liu Y,Ji M,Wong MK,Joo KI,Wang P

doi

10.1155/2013/378380

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

378380

eissn

2314-6133

issn

2314-6141

journal_volume

2013

pub_type

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