Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy

The unique optical properties of squaraine dyes make them promising for cancer phototheranostics, but the reported squaraines for in vivo treatments mainly rely on their photothermal effect, where monotherapy cannot achieve the desired therapeutic effect. Here we generated a type of squaraine capabl...

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Main Authors: Chen Xiao, Ma Xiaopeng, Yang Gui, Huang Guan, Dai Haibing, Liu Nian, Yu Jianbo
Format: Article
Language:English
Published: De Gruyter 2023-08-01
Series:Nanophotonics
Subjects:
Online Access:https://doi.org/10.1515/nanoph-2023-0358
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author Chen Xiao
Ma Xiaopeng
Yang Gui
Huang Guan
Dai Haibing
Liu Nian
Yu Jianbo
author_facet Chen Xiao
Ma Xiaopeng
Yang Gui
Huang Guan
Dai Haibing
Liu Nian
Yu Jianbo
author_sort Chen Xiao
collection DOAJ
description The unique optical properties of squaraine dyes make them promising for cancer phototheranostics, but the reported squaraines for in vivo treatments mainly rely on their photothermal effect, where monotherapy cannot achieve the desired therapeutic effect. Here we generated a type of squaraine capable of killing tumors through both photothermal and photodynamic effects. We optimized squaraine structure with selenium modulation and formulated it into nanoparticles that showed strong absorption of infrared light, negligible fluorescence, good photothermal conversion (66.6 %), and strong photodynamic effects even after several irradiation cycles. In addition, the nanoparticles could be tracked through their strong optoacoustic signal. In mice, the nanoparticles effectively accumulated in tumors and eliminated them upon irradiation, without causing adverse effects. Our work demonstrates the potential of selenium modulation of squaraine for precise cancer diagnosis and treatment through synergistic photothermal and photodynamic effects.
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spelling doaj.art-f41863bafd7b494aaf64d91f7d7864912023-09-18T06:32:06ZengDe GruyterNanophotonics2192-86142023-08-0112183645365210.1515/nanoph-2023-0358Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapyChen Xiao0Ma Xiaopeng1Yang Gui2Huang Guan3Dai Haibing4Liu Nian5Yu Jianbo6Longgang Central Hospital of Shenzhen, Shenzhen518116, ChinaSchool of Control Science and Engineering, Shandong University, Jinan250061, ChinaLonggang Central Hospital of Shenzhen, Shenzhen518116, ChinaLonggang Central Hospital of Shenzhen, Shenzhen518116, ChinaLonggang Central Hospital of Shenzhen, Shenzhen518116, ChinaPET Center, Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou310003, ChinaLonggang Central Hospital of Shenzhen, Shenzhen518116, ChinaThe unique optical properties of squaraine dyes make them promising for cancer phototheranostics, but the reported squaraines for in vivo treatments mainly rely on their photothermal effect, where monotherapy cannot achieve the desired therapeutic effect. Here we generated a type of squaraine capable of killing tumors through both photothermal and photodynamic effects. We optimized squaraine structure with selenium modulation and formulated it into nanoparticles that showed strong absorption of infrared light, negligible fluorescence, good photothermal conversion (66.6 %), and strong photodynamic effects even after several irradiation cycles. In addition, the nanoparticles could be tracked through their strong optoacoustic signal. In mice, the nanoparticles effectively accumulated in tumors and eliminated them upon irradiation, without causing adverse effects. Our work demonstrates the potential of selenium modulation of squaraine for precise cancer diagnosis and treatment through synergistic photothermal and photodynamic effects.https://doi.org/10.1515/nanoph-2023-0358squaraineselenium modulationnanoparticlesoptoacoustic imagingphototherapy
spellingShingle Chen Xiao
Ma Xiaopeng
Yang Gui
Huang Guan
Dai Haibing
Liu Nian
Yu Jianbo
Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy
Nanophotonics
squaraine
selenium modulation
nanoparticles
optoacoustic imaging
phototherapy
title Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy
title_full Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy
title_fullStr Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy
title_full_unstemmed Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy
title_short Squaraine nanoparticles for optoacoustic imaging-guided synergistic cancer phototherapy
title_sort squaraine nanoparticles for optoacoustic imaging guided synergistic cancer phototherapy
topic squaraine
selenium modulation
nanoparticles
optoacoustic imaging
phototherapy
url https://doi.org/10.1515/nanoph-2023-0358
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AT huangguan squarainenanoparticlesforoptoacousticimagingguidedsynergisticcancerphototherapy
AT daihaibing squarainenanoparticlesforoptoacousticimagingguidedsynergisticcancerphototherapy
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