Nanocaged platforms: Modification, drug delivery and nanotoxicity. Opening synthetic cages to release the tiger

Parham Sahandi Zangabad, Mahdi Karimi, Fatemeh Mehdizadeh, Hedieh Malekzad, Alireza Ghasemi, Sajad Bahrami, Hossein Zare, Mohsen Moghoofei, Amin Hekmatmanesh, Michael R. Hamblin

Research output: Contribution to journalReview articlepeer-review

Abstract

Nanocages (NCs) have emerged as a new class of drug-carriers, with a wide range of possibilities in multi-modality medical treatments and theranostics. Nanocages can overcome such limitations as high toxicity caused by anti-cancer chemotherapy or by the nanocarrier itself, due to their unique characteristics. These properties consist of: (1) a high loading-capacity (spacious interior); (2) a porous structure (analogous to openings between the bars of the cage); (3) enabling smart release (a key to unlock the cage); and (4) a low likelihood of unfavorable immune responses (the outside of the cage is safe). In this review, we cover different classes of NC structures such as virus-like particles (VLPs), protein NCs, DNA NCs, supramolecular nanosystems, hybrid metal-organic NCs, gold NCs, carbon-based NCs and silica NCs. Moreover, NC-assisted drug delivery including modification methods, drug immobilization, active targeting, and stimulus-responsive release mechanisms are discussed, highlighting the advantages, disadvantages and challenges. Finally, translation of NCs into clinical applications, and an up-to-date assessment of the nanotoxicology considerations of NCs are presented.

Original languageEnglish (US)
Pages (from-to)1356-1392
Number of pages37
JournalNanoscale
Volume9
Issue number4
DOIs
StatePublished - Jan 28 2017

ASJC Scopus subject areas

  • Materials Science(all)

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