Issue 48, 2014

Biomolecules-conjugated nanomaterials for targeted cancer therapy

Abstract

Biomolecules perform vital functions in biology. These functional biomolecules with diverse modifications hold great promise for further applications in bioanalysis and cancer therapy. However, these functional biomolecules face challenges, especially in the field of drug delivery for cancer therapy. For example, functional biomolecules are typically unstable when taken up by cells, as they are easily digested by enzymes. To address this obstacle, nanomaterials have been employed as drug carriers or vehicles, which are powerful nanoplatforms for imaging and cancer treatment. Multifunctionality of these nanoplatforms offers great advantages over conventional reagents, including targeting to a diseased site to minimize systemic toxicity, and the ability to solubilize hydrophobic or labile drugs to improved pharmacokinetics. In this review, we summarize typical functional biomolecule-conjugated nanomaterials for targeting drug delivery. Under the appropriate conditions, targeted drug delivery can be achieved from a high density of biomolecules that are bound to the surface of nanomaterials, resulting in a high affinity for the targets. The high density of biomolecules then leads to a high local concentration, being able to prevent degradation by enzymes. Furthermore, biomolecule–nanomaterial conjugates have been identified to enter cells more easily than free biomolecules, and controllable drug release can then be obtained by a response to a stimulus, such as redox, pH, light, thermal, enzyme-trigged strategies. Now and in the future, with the development of artificial biomolecules as well as nanomaterials, targeted drug delivery based on elegant biomolecule–nanomaterial conjugation approaches is expected to achieve great versatility, additional functions, and further advances.

Graphical abstract: Biomolecules-conjugated nanomaterials for targeted cancer therapy

Article information

Article type
Feature Article
Submitted
31 ก.ค. 2557
Accepted
28 ต.ค. 2557
First published
29 ต.ค. 2557

J. Mater. Chem. B, 2014,2, 8452-8465

Author version available

Biomolecules-conjugated nanomaterials for targeted cancer therapy

J. Wang, T. T. Wang, P. F. Gao and C. Z. Huang, J. Mater. Chem. B, 2014, 2, 8452 DOI: 10.1039/C4TB01263A

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