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Br J Pharmacol. 2014 Sep;171(17):3988-4000. doi: 10.1111/bph.12722. Epub 2014 Jul 2.

Immunosuppressive and anti-inflammatory properties of engineered nanomaterials.

Author information

1
Nanotechnology Characterization Laboratory, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc, Frederick, MD, USA.

Abstract

Nanoparticle interactions with various components of the immune system are determined by their physicochemical properties such as size, charge, hydrophobicity and shape. Nanoparticles can be engineered to either specifically target the immune system or to avoid immune recognition. Nevertheless, identifying their unintended impacts on the immune system and understanding the mechanisms of such accidental effects are essential for establishing a nanoparticle's safety profile. While immunostimulatory properties have been reviewed before, little attention in the literature has been given to immunosuppressive and anti-inflammatory properties. The purpose of this review is to fill this gap. We will discuss intended immunosuppression achieved by either nanoparticle engineering, or the use of nanoparticles to carry immunosuppressive or anti-inflammatory drugs. We will also review unintended immunosuppressive properties of nanoparticles per se and consider how such properties could be either beneficial or adverse.

KEYWORDS:

anti-inflammatory properties; immune inhibition; immune system; immunosuppression; inflammation; nanoparticles

PMID:
24724793
PMCID:
PMC4243973
DOI:
10.1111/bph.12722
[Indexed for MEDLINE]
Free PMC Article

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