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Fluorescence imaging-guided multifunctional liposomes for tumor-specific phototherapy for laryngeal carcinoma

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Abstract

Reliable diagnosis and efficient targeted therapy are important and may lead to the effective treatment of laryngeal carcinoma. Multifunctional nano-theranostic agents demonstrate great potential in tumor theranostic applications. Thus, herein, we report novel targeting multifunctional theranostic nanoparticles, internalized RGD (iRGD)-modified indocyanine green (ICG) encapsulated liposomes (iLIPICG), for imaging-guided photothermal therapy (PTT) and photodynamic therapy (PDT) for the treatment of laryngeal carcinoma. The iRGD-PEG-DSPE lipid endowed iLIPICG with high affinity for tumor vascular targeting, tumor-penetration and tumor cell targeting. The in vivo results showed that iLIPICG exhibited excellent blood circulation and tumor accumulation. iLIPICG could be spatially and temporally controlled, simultaneously producing hyperthermia and reactive oxygen species as well as a fluorescence-guided effect through ICG to ablate laryngeal carcinoma cells under irradiation from an 808 nm laser. iLIPICG generated synergistic photodynamic–photothermal cytotoxicity against Hep-2 cells, resulting in the efficient ablation of laryngeal carcinoma. Thus, the iLIPICG system provides a promising strategy to improve the precision imaging and effective phototherapy for the treatment of laryngeal carcinoma.

Graphical abstract: Fluorescence imaging-guided multifunctional liposomes for tumor-specific phototherapy for laryngeal carcinoma

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Supplementary files

Article information


Submitted
15 Feb 2020
Accepted
16 Apr 2020
First published
04 May 2020

Biomater. Sci., 2020, Advance Article
Article type
Paper

Fluorescence imaging-guided multifunctional liposomes for tumor-specific phototherapy for laryngeal carcinoma

D. Wu, Z. Zhao, N. Wang, X. Zhang, H. Yan, X. Chen, Y. Fan, W. Liu and X. Liu, Biomater. Sci., 2020, Advance Article , DOI: 10.1039/D0BM00249F

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