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https://www.readbyqxmd.com/read/28795530/construction-of-silica-based-micro-nanoplatforms-for-ultrasound-theranostic-biomedicine
#1
REVIEW
Yang Zhou, Xiaoxia Han, Xiangxiang Jing, Yu Chen
Ultrasound (US)-based biomedicine has been extensively explored for its applications in both diagnostic imaging and disease therapy. The fast development of theranostic nanomedicine significantly promotes the development of US-based biomedicine. This progress report summarizes and discusses the recent developments of rational design and fabrication of silica-based micro/nanoparticles for versatile US-based biomedical applications. The synthetic strategies and surface-engineering approaches of silica-based micro/nanoparticles are initially discussed, followed by detailed introduction on their US-based theranostic applications...
August 10, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28779958/efficacy-of-indocyanine-green-mediated-sonodynamic-therapy-on-rheumatoid-arthritis-fibroblast-like-synoviocytes
#2
Qin Tang, Shufang Chang, Zhonghua Tian, Jiangchuan Sun, Lan Hao, Zhigang Wang, Shenyin Zhu
Sonodynamic therapy (SDT) has become a new therapeutic method because of its activation of certain sensitizers by ultrasound. Some studies have reported that indocyanine green (ICG) has the characteristics of a sonosensitizer and favorable fluorescence imaging in synovitis of early inflammatory arthritis. In this study, we aimed to investigate the cytotoxic effect of ICG-mediated SDT on MH7A cells in vitro and the potential mechanisms involved. ICG was found to be taken up mainly in cytoplasm, with maximal uptake in 4 h...
August 2, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28764995/magnetically-responsive-microbubbles-as-delivery-vehicles-for-targeted-sonodynamic-and-antimetabolite-therapy-of-pancreatic-cancer
#3
Yingjie Sheng, Estelle Beguin, Heather Nesbitt, Sukanta Kamila, Joshua Owen, Lester C Barnsley, Bridgeen Callan, Christopher O'Kane, Nikolitsa Nomikou, Rifat Hamoudi, Mark A Taylor, Mark Love, Paul Kelly, Declan O'Rourke, Eleanor Stride, Anthony P McHale, John F Callan
Magnetically responsive microbubbles (MagMBs), consisting of an oxygen gas core and a phospholipid coating functionalised with Rose Bengal (RB) and/or 5-fluorouracil (5-FU), were assessed as a delivery vehicle for the targeted treatment of pancreatic cancer using combined antimetabolite and sonodynamic therapy (SDT). MagMBs delivering the combined 5-FU/SDT treatment produced a reduction in cell viability of over 50% when tested against a panel of four pancreatic cancer cell lines in vitro. Intravenous administration of the MagMBs to mice bearing orthotopic human xenograft BxPC-3 tumours yielded a 48...
July 29, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28732990/combination-of-sonodynamic-with-temozolomide-inhibits-c6-glioma-migration-and-promotes-mitochondrial-pathway-apoptosis-via-suppressing-nhe-1-expression
#4
Lei Chen, Damin Cong, Yongzhe Li, Dan Wang, Qingsong Li, Shaoshan Hu
Temozolomide (TMZ) was used for clinical postoperative or non-surgical chemotherapy patients. However, its effect remains unsatisfactory and gradually discovered that the presence of chemoresistance. To explore more effective therapy using TMZ, we investigate the effects of combination of application of TMZ together with Sonodynamic therapy (SDT), which is based on the ultrasonic activation of a sonosensitizer, with low toxicity, noninvasive, deeper penetrability and a promising approach for treating malignant glioma by inducing apoptosis on glioma cells in vitro...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28732936/oxygen-and-indocyanine-green-loaded-microparticles-for-dual-mode-imaging-and-sonodynamic-treatment-of-cancer-cells
#5
Rong Ma, Qiang Wu, Ting Si, Shufang Chang, Ronald X Xu
Oxygen and Indocyanine Green (ICG) loaded microparticles (OI-MPs) were fabricated by a gas-driven coaxial flow focusing (CFF) process for dual-mode imaging and sonodynamic therapy (SDT). The produced OI-MPs agent showed stable optical properties, superior imaging depth in near infrared (NIR) fluorescence imaging, and enhanced acoustic contrast after ultrasound mediation. We hypothesized that encapsulating ICG and oxygen in microparticles would enhance reactive oxygen species (ROS) production in SDT. This hypothesis was validated in a cell-free environment...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28732924/ultrasonic-irradiation-enhanced-the-ability-of-fluorescein-da-fe-iii-on-sonodynamic-and-sonocatalytic-damages-of-dna-molecules
#6
Qiong Wu, Xia Chen, Lizhen Jia, Yi Wang, Ying Sun, Xingjun Huang, Yuxiang Shen, Jun Wang
The interaction of DNA with Bis [N,N-bis (carboxymethyl) aminomethyl] fluorescein-Ferrous(III) (Fluorescein-DA-Fe(III)) with dual functional (sonodynamic and sonocatalytic) activity was studied by UV-vis spectroscopy, fluorescence spectroscopy, FT-IR spectroscopy, circular dichroism (CD) spectroscopy and viscosity measurements. And then, the damage of DNA caused by Fluorescein-DA-Fe(III) under ultrasonic irradiation (US) was researched by agarose gel electrophoresis and cytotoxicity assay. Meanwhile, some influenced factors such as ultrasonic irradiation time and Fluorescein-DA-Fe(III) concentration on the damage degree of DNA molecules were also examined...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28719818/insights-into-the-unique-functionality-of-inorganic-micro-nanoparticles-for-versatile-ultrasound-theranostics
#7
REVIEW
Xiaoqin Qian, Xiaoxia Han, Yu Chen
The clinical ultrasound (US)-based theranostic biomedicine suffers from the critical issue that traditional microbubbles (MBs) have lots of drawbacks such as low stability, large particle size, difficult structural control, etc. The unique composition, structure and functionality of inorganic micro/nanoplatforms have shown their great prospect for solving these critical issues and drawbacks of traditional organic MBs. This review summarizes and discusses the state-of-art development on exploring inorganic micro/nanoparticles for versatile US-based biomedical applications, ranging from US imaging, photoacoustic imaging, sonodynamic therapy, high intensity-focused US ablation and US-triggered chemotherapy...
October 2017: Biomaterials
https://www.readbyqxmd.com/read/28705555/sonodynamic-therapy-based-on-combined-use-of-low-dose-administration-of-epirubicin-incorporating-drug-delivery-system-and-focused-ultrasound
#8
Masanori Maeda, Yoshihiro Muragaki, Jun Okamoto, Shin Yoshizawa, Nobutaka Abe, Hidekazu Nakamoto, Hiroshi Ishii, Kenichi Kawabata, Shinichiro Umemura, Nobuhiro Nishiyama, Kazunori Kataoka, Hiroshi Iseki
Sonodynamic therapy (SDT) is currently considered as one of the promising minimally invasive treatment options for solid cancers. SDT is based on the combined use of a sonosensitizer drug and high-intensity focused ultrasound (HIFU) to produce cytotoxic reactive oxygen species (ROS) in and around neoplastic cells. Anthracycline drugs, including epirubicin (EPI), have been well known as effective sonosensitizers after interaction with focused ultrasound. Recently a new anticancer drug delivery system (DDS), NC-6300, has been developed that comprises EPI through an acid-labile hydrazone bond...
July 10, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28606724/sonodynamic-therapy-a-treatment-developing-from-photodynamic-therapy
#9
REVIEW
Liu Rengeng, Zhang Qianyu, Lang Yuehong, Peng Zhongzhong, Li Libo
Sonodynamic therapy (SDT) as a new non-invasive treatment developed from photodynamic (PDT), it can kill tumor cells specifically and selectively. Moreover, recently studies showed SDT has potential to treat solid tumor, leukemia and atherosclerosis, remove proliferative scars and kill pathogenic microorganism. As SDT has an extensive application prospect, SDT attracts more and more researchers in recently years. This thesis aims at making an informative introduction on SDT. With the assistance of related literature from 2012 to 2016, we introduce the progress of SDT research in six aspects: the therapeutic mechanism of SDT, development of the sound sensitizer, exploration of the size and frequency of ultrasonic energy, application of SDT, comparison between SDT and PDT, and current situation and future of SDT...
June 9, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28533126/sonodynamic-therapy-combined-with-novel-anti-cancer-agents-sanguinarine-and-ginger-root-extract-synergistic-increase-in-toxicity-in-the-presence-of-panc-1-cells-in-vitro
#10
Matthew Prescott, James Mitchell, Stella Totti, Judy Lee, Eirini Velliou, Madeleine Bussemaker
The presence of ultrasound-induced cavitation in sonodynamic therapy (SDT) treatments has previously enhanced the activity and delivery of certain sonosensitisers in biological systems. The purpose of this work was to investigate the potential for two novel anti-cancer agents from natural derivatives, sanguinarine and ginger root extract (GRE), as sonosensitisers in an SDT treatment with in vitro PANC-1 cells. Both anti-cancer compounds had a dose-dependent cytotoxicity in the presence of PANC-1 cells. A range of six discreet ultrasound power-frequency configurations were tested and it was found that the cell death caused directly by ultrasound was likely due to the sonomechanical effects of cavitation...
May 13, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28468003/non-lethal-sonodynamic-therapy-inhibits-atherosclerotic-plaque-progression-in-apoe-mice-and-attenuates-ox-ldl-mediated-macrophage-impairment-by-inducing-heme-oxygenase-1
#11
Yu Wang, Wei Wang, Haobo Xu, Yan Sun, Jing Sun, Yongxing Jiang, Jianting Yao, Ye Tian
BACKGROUND: Previous studies from our group showed that low-intensity sonodynamic therapy (SDT) has protective effects on atherosclerosis (AS). However, because the intensity of ultrasound passing through tissue is attenuated, the consequences of very low-intensity SDT, referred to as non-lethal SDT (NL-SDT), on atherosclerotic plaques are unclear. The aim of this study was to determine whether NL-SDT affects atherosclerotic plaques and to elucidate the possible underlying mechanisms...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28427672/current-status-and-future-perspectives-of-sonodynamic-therapy-in-glioma-treatment
#12
REVIEW
Xiaobing Wang, Yali Jia, Pan Wang, Quanhon Liu, Hairong Zheng
Malignant glioma is one of the most challenging central nervous system diseases to treat, and has high rates of recurrence and mortality. The current therapies include surgery, radiation therapy, and chemotherapy, although these approaches often failed to control tumor progression or improve patient survival. Sonodynamic therapy is a developing cancer treatment that uses ultrasound combined with a sonosensitizer to synergistically kill tumor cells, and has provided impressive results in both in vitro and in vivo studies...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28351128/nanoparticles-of-titanium-and-zinc-oxides-as-novel-agents-in-tumor-treatment-a-review
#13
Janusz Bogdan, Joanna Pławińska-Czarnak, Joanna Zarzyńska
Cancer has become a global problem. On all continents, a great number of people are diagnosed with this disease. In spite of the progress in medical care, cancer still ends fatal for a great number of the ill, either as a result of a late diagnosis or due to inefficiency of therapies. The majority of the tumors are resistant to drugs. Thus, the search for new, more effective therapy methods continues. Recently, nanotechnology has been attributed with big expectations in respect of the cancer fight. That interdisciplinary field of science creates nanomaterials (NMs) and nanoparticles (NPs) that can be applied, e...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28346389/artesunate-enhances-the-cytotoxicity-of-5-aminolevulinic-acid-based-sonodynamic-therapy-against-mouse-mammary-tumor-cells-in-vitro
#14
Tomohiro Osaki, Yoshihiro Uto, Masahiro Ishizuka, Tohru Tanaka, Nobuyasu Yamanaka, Tsukasa Kurahashi, Kazuo Azuma, Yusuke Murahata, Takeshi Tsuka, Norihiko Itoh, Tomohiro Imagawa, Yoshiharu Okamoto
Sonodynamic therapy (SDT) kills tumor cells through the synergistic effects of ultrasound (US) and a sonosensitizer agent. 5-Aminolevulinic acid (5-ALA) has been used as a sonodynamic sensitizer for cancer treatment. However, studies have shown that 5-ALA-based SDT has limited efficacy against malignant tumors. In this study, we examined whether artesunate (ART) could enhance the cytotoxicity of 5-ALA-based SDT against mouse mammary tumor (EMT-6) cells in vitro. In the ART, ART + US, ART + 5-ALA, and ART + 5-ALA + US groups, the cell survival rate correlated with ART concentration, and decreased with increasing concentrations of ART...
March 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28280817/yolk-structured-multifunctional-up-conversion-nanoparticles-for-synergistic-photodynamic-sonodynamic-antibacterial-resistance-therapy
#15
Feiya Xu, Min Hu, Chengcheng Liu, Seok Ki Choi
The worldwide increase in bacterial antibiotic resistance has led to a search for alternative antibacterial therapies. The present study reports the development of yolk-structured multifunctional up-conversion nanoparticles (UCNPs) that combine photodynamic and sonodynamic therapy for effective killing of antibiotic-resistant bacteria. The multifunctional nanoparticles (NPs) were achieved by enclosing hematoporphyrin monomethyl ether (HMME) into its yolk-structured up-conversion core and covalently linked rose bengal (RB) on its silica (SiO2) shell...
March 10, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28191279/ros-dependent-activation-of-autophagy-through-the-pi3k-akt-mtor-pathway-is-induced-by-hydroxysafflor-yellow-a-sonodynamic-therapy-in-thp-1-macrophages
#16
Yueqing Jiang, Jiayuan Kou, Xiaobo Han, Xuesong Li, Zhaoyu Zhong, Zhongni Liu, Yinghong Zheng, Ye Tian, Liming Yang
Monocyte-derived macrophages participate in infaust inflammatory responses by secreting various types of proinflammatory factors, resulting in further inflammatory reactions in atherosclerotic plaques. Autophagy plays an important role in inhibiting inflammation; thus, increasing autophagy may be a therapeutic strategy for atherosclerosis. In the present study, hydroxysafflor yellow A-mediated sonodynamic therapy was used to induce autophagy and inhibit inflammation in THP-1 macrophages. Following hydroxysafflor yellow A-mediated sonodynamic therapy, autophagy was induced as shown by the conversion of LC3-II/LC3-I, increased expression of beclin 1, degradation of p62, and the formation of autophagic vacuoles...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28177935/cytotoxicity-control-of-silicon-nanoparticles-by-biopolymer-coating-and-ultrasound-irradiation-for-cancer-theranostic-applications
#17
A P Sviridov, L A Osminkina, A Yu Kharin, M B Gongansky, J V Kargina, A A Kudryavtsev, Yu I Bezsudnova, T S Perova, A Geloen, V Lysenko, V Yu Timoshenko
Silicon nanoparticles (SiNPs) prepared by mechanical grinding of luminescent porous silicon were coated with a biopolymer (dextran) and investigated as a potential theranostic agent for bioimaging and sonodynamic therapy. Transmission electron microscopy, photoluminescence and Raman scattering measurements of dextran-coated SiNPs gave evidence of their enhanced stability in water. In vitro experiments confirmed the lower cytotoxicity of the dextran-coated NPs in comparison with uncoated ones, especially for high concentrations of about 2 mg ml(-1)...
March 10, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28123298/oxygen-and-indocyanine-green-loaded-phase-transition-nanoparticle-mediated-photo-sonodynamic-cytotoxic-effects-on-rheumatoid-arthritis-fibroblast-like-synoviocytes
#18
Qin Tang, Jianyu Cui, Zhonghua Tian, Jiangchuan Sun, Zhigang Wang, Shufang Chang, Shenyin Zhu
BACKGROUND: Photodynamic therapy and sonodynamic therapy are developing, minimally invasive, and site-specific modalities for cancer therapy. A combined strategy PSDT (photodynamic therapy followed by sonodynamic therapy) has been proposed in this study. Here, we aimed to develop novel biodegradable poly(DL-lactide-co-glycolic acid) phase-transition nanoparticles simultaneously loaded with oxygen and indocyanine green (OI-NPs) and to investigate the cytotoxic effects and the potential mechanisms of OI-NP-mediated PSDT on MH7A synoviocytes...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28102849/berberine-sonodynamic-therapy-induces-autophagy-and-lipid-unloading-in-macrophage
#19
Jiayuan Y Kou, Ying Li, Zhaoyu Y Zhong, Yueqing Q Jiang, Xuesong S Li, Xiaobo B Han, Zhongni N Liu, Ye Tian, Liming M Yang
Impaired autophagy in macrophages accompanies the progression of atherosclerosis and contributes to lipid loading in plaques and ineffective lipid degradation. Therefore, evoking autophagy and its associated cholesterol efflux may provide a therapeutic treatment for atherosclerosis. In the present study, berberine-mediated sonodynamic therapy (BBR-SDT) was used to induce autophagy and cholesterol efflux in THP-1 macrophages and derived foam cells. Following BBR-SDT, autophagy was increased in the macrophages, autophagy resistance in the foam cells was prevented, and cholesterol efflux was induced...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102324/antiproliferative-and-apoptosis-inducing-effect-of-exo-protoporphyrin-ix-based-sonodynamic-therapy-on-human-oral-squamous-cell-carcinoma
#20
Yanhong Lv, Jinhua Zheng, Qi Zhou, Limin Jia, Chunying Wang, Nian Liu, Hong Zhao, Hang Ji, Baoxin Li, Wenwu Cao
Sonodynamic therapy (SDT) is an innovative modality for cancer treatment. But the biological effect of SDT on oral squamous cell carcinoma has not been studied. Our previous study has shown that endo-Protoporphyrin IX based SDT (ALA-SDT) could induce apoptosis in human tongue squamous carcinoma SAS cells through mitochondrial pathway. Herein, we investigated the effect of exo- Protoporphyrin based SDT (PpIX-SDT) on SAS cells in vitro and in vivo. We demonstrated that PpIX-SDT increased the ratio of cells in the G2/M phase and induced 3-4 times more cell apoptosis compared to sonocation alone...
January 19, 2017: Scientific Reports
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