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Near-infrared light-responsive liposomes for protein delivery: Towards bleeding-free photothermally-assisted thrombolysis.

Refaat A, Del Rosal B, Palasubramaniam J, Pietersz G, Wang X, Moulton SE, Peter K

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  • Journal Journal of controlled release : official journal of the Controlled Release Society

  • Published 18 Jul 2021

  • Volume 337

  • Pagination 212-223

  • DOI 10.1016/j.jconrel.2021.07.024

Abstract

for 5 min) compared to 36.3% (± 4.4) and 15.5% (± 5.5) clot lysis from equivalent free uPA and non-irradiated liposomes respectively. These results show the potential of low-dose, site-specific thrombolysis via the combination of light-triggered delivery/release of uPA from liposomes combined with photothermal thrombolytic effects from gold nanorods. In conclusion, newly engineered, gold nanorod-based, NIR light-responsive liposomes represent a promising drug delivery system for site-directed, photothermally-stimulated therapeutic protein release.