Abstract
A reverse targeting drug delivery based on antigen-modified nanoparticles provided an innovative strategy for effectively alleviating or inhibiting immune response. In this study, a dual fluorescent reverse targeting drug delivery system based on curcumin-loaded ovalbumin nanoparticles is developed for allergy treatment. The self-crosslinked ovalbumin nanoparticles achieved the double function of reverse targeting and sustained delivery carriers to maximize the anti-allergy of curcumin. Using a murine model of ovalbumin-induced allergy, this drug delivery system suppressed antigen-specific IgG1 and IgE production, inhibited CD4+ T activity, and decreased the level of ovalbumin-sensitized memory B cells. The curcumin-loaded ovalbumin nanoparticles exert stronger and more effective treatment on the immunomodulatory role. Furthermore, fluorescence imaging in vivo can reveal the precise delivery process for the effective allergy immunotherapy. The dual fluorescent reverse targeting delivery system provided a significant potential for the visible treatment of allergy with the merged functions of targeting, vehicles and fluorescence.
Published Version
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