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Cancer photothermal therapy nano

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https://www.readbyqxmd.com/read/29337533/localized-fe-ii-induced-cytotoxic-reactive-oxygen-species-generating-nano-system-for-enhanced-anticancer-therapy
#1
Yuxue Ding, Jiaxun Wan, Zihao Zhang, Fang Wang, Jia Guo, Changchun Wang
The anticancer therapy on basis of reactive oxygen species (ROS)-mediated cellular apoptosis has achieved great progress. However, this kind of theraputic strategy still faces some challenges such as light, photosensitizer and oxygen (O2) dependence. In this article, a ROS-mediated anticancer therapy independent of light, photosensitizer and oxygen was established based on a Fe2+-induced ROS-generating nano-system. First, artemisinin (ART) was loaded in porous magnetic supraparticles (MSP) by a nano-deposition method...
January 16, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29300453/novel-metal-polyphenol-framework-for-mr-imaging-guided-photothermal-therapy
#2
Gaozheng Zhao, Huihui Wu, Ruilu Feng, Dongdong Wang, Pengping Xu, Peng Jiang, Kang Yang, Zhen Guo, Haibao Wang, Qianwang Chen
Phothermal therapy has received increasing attention in recent years as a potentially effective way for treatment of cancer. In pursuit of a more biocompatible photothermal agent, we utilize bio-safe materials-ellagic acid (EA), polyvinyl pyrrolidone (PVP) and iron element as the building blocks, and successfully fabricate homogeneous nanosized Fe-EA framework for the first time by a facile method. As expected, the novel nano-agent exhibits no obvious cytotoxicity and good hemocompatibility in vitro and in vivo...
January 4, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29280612/light-guided-nanomotor-systems-for-autonomous-photothermal-cancer-therapy
#3
Hyunsik Choi, Geon-Hui Lee, Ki Su Kim, Sei Kwang Hahn
Machines have greatly contributed to the human civilization, enabling tasks beyond our capacities for improved quality of life. Recently, the progress in nanotechnology has triggered to build a miniaturized machine of nano-scale. In this context, synthetic nanomotors have gained considerable interest because of their great promise for diverse applications. Currently, the movement control of these nanomotors has been widely investigated using various stimuli. Here,we demonstrate near-infrared (NIR) light controlled on/off motion of stomatocyte nanomotors powered by the conversion of hydrogen peroxide...
December 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29212190/artesunate-modified-nano-graphene-oxide-for-chemo-photothermal-cancer-therapy
#4
Yilin Pang, Zihao Mai, Bin Wang, Lu Wang, Liping Wu, Xiaoping Wang, Tongsheng Chen
Poor water-solubility of artesunate (ARS) hampers its clinical application. We here covalently linked ARS to PEGylated nanographene oxide (nGO-PEG) to obtain ARS-modified nGO-PEG (nGO-PEG-ARS) with excellent photothermal effect and dispersibility in physiological environment. nGO-PEG-ARS induced reactive oxygen species (ROS) and peroxynitrite (ONOO─) generations. Although nGO-PEG with near-infrared (NIR) irradiation did not induce cytotoxicity, the photothermal effect of nGO-PEG under NIR irradiation enhanced not only cell uptake but also ONOO─ generation of nGO-PEG-ARS, resulting in the synergistic chemo-photothermal effect of nGO-PEG-ARS in killing HepG2 cells...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29188176/nano-sized-indocyanine-green-j-aggregate-as-a-one-component-theranostic-agent
#5
Renfa Liu, Jie Tang, Yunxue Xu, Yiming Zhou, Zhifei Dai
The development of biocompatiable efficient photothermal coupling agent (PCA) for image-guided photothermal therapy of cancer has gained increasing interests in recent years. Although various PCAs have been developed, the clinical translations of these materials have been largely hindered by the potential biosafety issues and challenges of scaling-up manufactures. In this research, we proposed nano-sized indocyanine green (ICG) J-aggregate (IJA) as a promising PCA which is fabricated by a very facile method using clinical-approved ICG as the only excipient...
2017: Nanotheranostics
https://www.readbyqxmd.com/read/29158823/engineered-zn-ii-dipicolylamine-gold-nanorod-provides-effective-prostate-cancer-treatment-by-combining-sirna-delivery-and-photothermal-therapy
#6
Kyung Hyun Min, Young-Hwa Kim, Zhantong Wang, Jihoon Kim, Jee Seon Kim, Sun Hwa Kim, Kwangmeyung Kim, Ick Chan Kwon, Dale O Kiesewetter, Xiaoyuan Chen
Combination cancer treatment has emerged as a critical approach to achieve remarkable anticancer effect. In this study, we prepared a theranostic nanoformulation that allows for photoacoustic imaging as well as combination gene and photothermal therapy. Gold nanorods (GNR) were coated with dipicolyl amine (DPA), which forms stable complexes with Zn(2+) cations. The resulting nanoparticles, Zn(II)/DPA-GNR, recognize phosphate-containing molecules, including siRNA, because of the specific interaction between Zn(II) and the phosphates...
2017: Theranostics
https://www.readbyqxmd.com/read/29155336/evaluation-of-the-combined-effect-of-nir-laser-and-ionizing-radiation-on-cellular-damages-induced-by-iudr-loaded-plga-coated-nano-graphene-oxide
#7
Samira Kargar, Samideh Khoei, Sepideh Khoee, Sakine Shirvalilou, Seied Rabi Mahdavi
Glioma is one of the most common malignant cancers of the central nervous system (CNS). Radiatherapy and chemotherapy may be used to slow the growth of tumors that cannot be removed with surgery. The current study developed a combination therapy tool using Nanographene oxide (NGO) functionalized with poly lactic-co-glycolic acid (PLGA) as a carrier of 5-iodo-2-deoxyuridine (IUdR) for glioma cancer treatment. U87MG cells were treated in different groups with IUdR, PLGA-coated Nanographene oxide (PLGA-NGO), IUdR-loaded PLGA-coated Nanographene oxide (IUdR-PLGA-NGO), 2Gy 6MV X-ray radiation, and near-infrared region (NIR) laser radiation...
November 16, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29046993/synthesis-and-in-vitro-performance-of-polypyrrole-coated-iron-platinum-nanoparticles-for-photothermal-therapy-and-photoacoustic-imaging
#8
Thi Tuong Vy Phan, Nhat Quang Bui, Madhappan Santha Moorthy, Kang Dae Lee, Junghwan Oh
Multifunctional nano-platform for the combination of photo-based therapy and photoacoustic imaging (PAI) for cancer treatment has recently attracted much attention to nanotechnology development. In this study, we developed iron-platinum nanoparticles (FePt NPs) with the polypyrrole (PPy) coating as novel agents for combined photothermal therapy (PTT) and PAI. The obtained PPy-coated FePt NPs (FePt@PPy NPs) showed excellent biocompatibility, photothermal stability, and high near-infrared (NIR) absorbance for the combination of PTT and PAI...
October 18, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29035819/preparation-of-envelope-type-lipid-nanoparticles-containing-gold-nanorods-for-photothermal-cancer-therapy
#9
West Kristian D Paraiso, Hiroki Tanaka, Yusuke Sato, Daiki Shirane, Noriyuki Suzuki, Yasumitsu Ogra, Kota Tange, Yuta Nakai, Hiroki Yoshioka, Hideyoshi Harashima, Hidetaka Akita
The use of gold nanorods (AuNRs) that produce heat in response to near infrared (NIR) irradiation is an attractive approach to cancer photothermal therapy. AuNRs are usually prepared by using a highly toxic detergent: cetyltrimethylammonium bromide (CTAB). Thus, the removal of CTAB from the reaction mixture, and further stabilization of the surface of the AuNRs is required. In the present study, AuNRs were encapsulated in a multifunctional envelope-type nano device (AuNR-MEND) formed with an SS-cleavable and pH-activated lipid-like material...
October 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28961542/fluorescence-guided-photothermal-photodynamic-ablation-of-tumours-using-ph-responsive-chlorin-e6-conjugated-gold-nanorods
#10
Chao Zhang, Xiao Cheng, Mengkun Chen, Jie Sheng, Jing Ren, Zhongying Jiang, Jianfeng Cai, Yong Hu
Photothermal/photodynamic therapies (PTT/PDT) have been widely accepted as non-invasive therapeutic modalities to erase tumours. However, both therapies face the problem of precisely locating tumours and reducing their side effects. Herein, chlorin e6 conjugated gold nanorod, (Ce6-PEG-AuNR), a type of gold nanorod-photosensitizer conjugate, is designed as a kind of nano-therapeutic agent to simultaneously realize combined PTT/PDT. Compared to free Ce6, the fluorescence of Ce6 adhered to the conjugate is effectively quenched by the longitudinal surface plasmon resonance (LSPR) of in the Ce6-PEG-AuNR...
September 21, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28928385/dually-functioned-core-shell-nayf4-er-3-yb-3-nayf4-tm-3-yb-3-nanoparticles-as-nano-calorifiers-and-nano-thermometers-for-advanced-photothermal-therapy
#11
Yanqiu Zhang, Baojiu Chen, Sai Xu, Xiangping Li, Jinsu Zhang, Jiashi Sun, Hui Zheng, Lili Tong, Guozhu Sui, Hua Zhong, Haiping Xia, Ruinian Hua
To realize photothermal therapy (PTT) of cancer/tumor both the photothermal conversion and temperature detection are required. Usually, the temperature detection in PTT needs complicated instruments, and the therapy process is out of temperature control in the present investigations. In this work, we attempt to develop a novel material for achieving both the photothermal conversion and temperature sensing and control at the same time. To this end, a core-shell structure with NaYF4:Er(3+)/Yb(3+) core for temperature detection and NaYF4:Tm(3+)/Yb(3+) shell for photothermal conversion was designed and prepared...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28915497/pegylated-polydopamine-coated-magnetic-nanoparticles-for-combined-targeted-chemotherapy-and-photothermal-ablation-of-tumour-cells
#12
Peng Xue, Lihong Sun, Qian Li, Lei Zhang, Jinhong Guo, Zhigang Xu, Yuejun Kang
The integration of multifunctional therapeutic capabilities into a single nanosystem has attracted much attention for use as an efficient cancer therapy. However, developing biocompatible therapeutic nano-agents with desirable safety, efficiency, targeting, and synergistic effects remains challenging. Herein, we designed a class of multifunctional PEGylated magnetic nanoparticles (NPs) with a core-shell structure and polydopamine (PDA) coating, which were loaded with the anticancer drug doxorubicin (DOX) for simultaneous targeted chemotherapy and photothermal ablation of tumour cells...
September 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28806615/graphene-gold-based-nanocomposites-applications-in-cancer-diseases-efficient-detection-and-therapeutic-tools
#13
REVIEW
Lina A Al-Ani, Mohammed A AlSaadi, Farkaad A Kadir, Najihah M Hashim, Nurhidayatullaili M Julkapli, Wageeh A Yehye
Early detection and efficient treatment of cancer disease remains a drastic challenge in 21st century. Throughout the bulk of funds, studies, and current therapeutics, cancer seems to aggressively advance with drug resistance strains and recurrence rates. Nevertheless, nanotechnologies have indeed given hope to be the next generation for oncology applications. According to US National cancer institute, it is anticipated to revolutionize the perspectives of cancer diagnosis and therapy. With such success, nano-hybrid strategy creates a marvelous preference...
October 20, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28702600/an-nir-sensitive-layered-supramolecular-nanovehicle-for-combined-dual-modal-imaging-and-synergistic-therapy
#14
Shanyue Guan, Yangziwan Weng, Mengnan Li, Ruizheng Liang, Chenghua Sun, Xiaozhong Qu, Shuyun Zhou
A supramolecular nanovehicle, denoted as ICG-DOX/Gd-LDH, was synthesized by the co-intercalation of indocyanine green (ICG) and doxorubicin hydrochloride (DOX) into a gallery of Gd(3+)-doped-layered double hydroxide (Gd-LDH) such that to achieve a chemo-photothermal synergistic therapeutic agent. The unique structure of Gd-LDH can not only stabilize the photothermal agent ICG to enhance the photothermal efficiency, but also hamper the recombination between electron and holes, leading to the generation of more reactive oxygen species (ROS) under irradiation in the NIR range...
July 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28665111/zwitterionic-temperature-redox-sensitive-nanogels-for-near-infrared-light-triggered-synergistic-thermo-chemotherapy
#15
Fuying Li, Hao Yang, Nana Bie, Qingbo Xu, Tuying Yong, Qin Wang, Lu Gan, Xiangliang Yang
Ideal anticancer nano drug delivery systems (NDDSs) need to overcome a series of physiological barriers including blood circulation, tumor accumulation, tumor penetration, internalization by cancer cells, lysosomal escape, and on-demand intracellular drug release following systemic administration. However, it remains a big challenge to construct NDDSs that can overcome all the barriers at the same time. Here, we develop zwitterionic temperature/redox-sensitive nanogels loaded with near-infrared (NIR) dye Indocyanine green (ICG) and anticancer drug doxorubicin (I/D@NG)...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28663143/oxygen-self-enriched-nanoparticles-functionalized-with-erythrocyte-membranes-for-long-circulation-and-enhanced-phototherapy
#16
Hao Ren, Jiaqi Liu, Yuqin Li, Haoran Wang, Sizhan Ge, Ahu Yuan, Yiqiao Hu, Jinhui Wu
In recent years, indocyanine green (ICG) encapsulated in different kinds of nano-carriers have been developed to overcome its short lifetime in vivo and non-selectivity in cancer cells. However, these nanoparticles are still easily recognized and captured by the reticuloendothelial system (RES) and the low singlet oxygen quantum (0.08) of ICG inevitably leads to a limited efficacy of phototherapy. To overcome these limitations, a novel oxygen self-enriched biomimetic red blood cell (RBC) was developed by cloaking albumin nanoparticles which contained ICG and perfluorocarbon (PFC) with RBC membranes...
September 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28662392/mc3t3-e1-pre-osteoblast-response-and-differentiation-after-graphene-oxide-nanosheet-uptake
#17
Mónica Cicuéndez, Virgília S Silva, María J Hortigüela, M Concepción Matesanz, Mercedes Vila, M Teresa Portolés
Nano-graphene oxide (GO) and its functionalized derivatives have aroused a great interest for drug delivery, tissue engineering and photothermal cancer therapy, but their biocompatibility has not yet been fully assessed. The aim of the present study was to evaluate the proliferation and differentiation of MC3T3-E1 pre-osteoblasts after the uptake of GO nanosheets (c.a. 400nm), functionalized with poly(ethylene glycol-amine) (PEG) and labelled with fluorescein isothiocyanate (FITC). Significant proliferation decrease and apoptosis increase were observed 3days after incorporation of FITC-PEG-GO by MC3T3-E1 cells...
October 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28629893/a-new-nir-triggered-doxorubicin-and-photosensitizer-indocyanine-green-co-delivery-system-for-enhanced-multidrug-resistant-cancer-treatment-through-simultaneous-chemo-photothermal-photodynamic-therapy
#18
Yanna Yu, Zhipeng Zhang, Yun Wang, Hao Zhu, Fangzhou Li, Yuanyuan Shen, Shengrong Guo
It is a great challenge to combat multidrug resistant (MDR) cancer effectively. To address this issue, we developed a new near-infrared (NIR) triggered chemotherapeutic agent doxorubicin (DOX) and photosensitizer indocyanine green (ICG) co-release system by aid of NIR induced photothermal effect of gold nanocages (AuNCs) and temperature sensitive phase-change property of 1-tetradecanol at its melting point of 39°C, which could simultaneously exerted chemo/photothermal/photodynamic treatment on MDR human breast cancer MCF-7/ADR cells...
September 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28614069/pegylated-lipid-bilayer-wrapped-nano-graphene-oxides-for-synergistic-co-delivery-of-doxorubicin-and-rapamycin-to-prevent-drug-resistance-in-cancers
#19
Raj Kumar Thapa, Jeong Hoon Byeon, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Nano-graphene oxide (nGO) is a carbon allotrope studied for its potential as carrier for chemotherapeutic delivery and its photoablation effects. However, interaction of nGO with blood components and the subsequent toxicities warrant a hybrid system for effective cancer drug delivery. Combination chemotherapy aids in effective cancer treatment and prevention of drug resistance. Therefore, in this study, we attempted to prepare polyethylene glycosylated (PEGylated) lipid bilayer-wrapped nGO co-loaded with doxorubicin (DOX) and rapamycin (RAPA), GOLDR, for the prevention and treatment of resistant cancers...
June 14, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28580979/design-of-tpgs-functionalized-cu3bis3-nanocrystals-with-strong-absorption-in-the-second-near-infrared-window-for-radiation-therapy-enhancement
#20
Jiangfeng Du, Xiaopeng Zheng, Yuan Yong, Jie Yu, Xinghua Dong, Chenyang Zhang, Ruyi Zhou, Bai Li, Liang Yan, Chunying Chen, Zhanjun Gu, Yuliang Zhao
Integrating radiation therapy with high-depth photothermal therapy in the second near-infrared (NIR) window is highly required for efficient treatment of deep-seated tumor cells. Here, we constructed a multifunctional nano-theranostic with bimetallic chalcogenide nanocrystals (NCs) functionalized with amphiphilic d-α-tocopherol polyethylene glycol 1000 succinate (TPGS-Cu3BiS3). Benefiting from the strong absorbance of both X-ray and NIR light in the second NIR window, TPGS-Cu3BiS3 CNs can not only deposit more radiation dose to trigger enhanced radiation damage in vivo, but also conduct photo-induced hyperthermia for thermal ablation in the second NIR window and effective improvement of tumor oxygenation to overcome the hypoxia-associated radio-resistance of tumors...
June 22, 2017: Nanoscale
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