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HiFU and immunotherapy

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https://www.readbyqxmd.com/read/25367011/emerging-hifu-applications-in-cancer-therapy
#1
REVIEW
Ezekiel Maloney, Joo Ha Hwang
High intensity focused ultrasound (HIFU), is a promising, non-invasive modality for treatment of tumours in conjunction with magnetic resonance imaging or diagnostic ultrasound guidance. HIFU is being used increasingly for treatment of prostate cancer and uterine fibroids. Over the last 10 years a growing number of clinical trials have examined HIFU treatment of both benign and malignant tumours of the liver, breast, pancreas, bone, connective tissue, thyroid, parathyroid, kidney and brain. For some of these emerging indications, HIFU is poised to become a serious alternative or adjunct to current standard treatments--including surgery, radiation, gene therapy, immunotherapy, and chemotherapy...
May 2015: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/24743733/synergistic-effects-of-glycated-chitosan-with-high-intensity-focused-ultrasound-on-suppression-of-metastases-in-a-syngeneic-breast-tumor-model
#2
Y-L Chen, C-Y Wang, F-Y Yang, B-S Wang, J Y Chen, L-T Lin, J-D Leu, S-J Chiu, F-D Chen, Y-J Lee, W R Chen
Stimulation of the host immune system is crucial in cancer treatment. In particular, nonspecific immunotherapies, when combined with other traditional therapies such as radiation and chemotherapy, may induce immunity against primary and metastatic tumors. In this study, we demonstrate that a novel, non-toxic immunoadjuvant, glycated chitosan (GC), decreases the motility and invasion of mammalian breast cancer cells in vitro and in vivo. Lung metastatic ratios were reduced in 4T1 tumor-bearing mice when intratumoral GC injection was combined with local high-intensity focused ultrasound (HIFU) treatment...
2014: Cell Death & Disease
https://www.readbyqxmd.com/read/24292170/-novel-dianostics-and-therapeutics-with-ultrasound-technologies-and-nanotechnologies
#3
REVIEW
Ryo Suzuki, Yusuke Oda, Daiki Omata, Yoshikazu Sawaguchi, Yoichi Negishi, Kazuo Maruyama
Ultrasound is a good tool for theranostics due to have multi-potency both of diagnostics with sonography and therapeutics with high intensity focused ultrasound (HIFU). In addition, microbubbles and nanobubbles are utilized as not only contrast imaging agent but also enhancer of drug and gene delivery by combination of ultrasound. Recently, we developed novel liposomal nanobubbles (Bubble liposomes) which were containing perfluoropropane. Bubble liposomes induced jet stream by low intensity ultrasound exposure and resulted in enhancing permeability of cell membrane...
2013: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/23927210/high-intensity-focused-ultrasound-ablation-and-antitumor-immune-response
#4
REVIEW
Feng Wu
The ideal cancer therapy not only induces the death of all localized tumor cells without damage to surrounding normal tissue, but also activates a systemic antitumor immunity. High intensity focused ultrasound (HIFU) has the potential to be such a treatment, as it can non-invasively ablate a targeted tumor below the skin surface, and may subsequently augment host antitumor immunity. This paper is to review increasing pre-clinical and clinical evidence linking antitumor immune response to HIFU ablation, and to discuss the potential mechanisms involved in HIFU-enhanced host antitumor immunity...
August 2013: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/23140567/low-pressure-pulsed-focused-ultrasound-with-microbubbles-promotes-an-anticancer-immunological-response
#5
Hao-Li Liu, Han-Yi Hsieh, Li-An Lu, Chiao-Wen Kang, Ming-Fang Wu, Chun-Yen Lin
BACKGROUND: High-intensity focused-ultrasound (HIFU) has been successfully employed for thermal ablation of tumors in clinical settings. Continuous- or pulsed-mode HIFU may also induce a host antitumor immune response, mainly through expansion of antigen-presenting cells in response to increased cellular debris and through increased macrophage activation/infiltration. Here we demonstrated that another form of focused ultrasound delivery, using low-pressure, pulsed-mode exposure in the presence of microbubbles (MBs), may also trigger an antitumor immunological response and inhibit tumor growth...
November 11, 2012: Journal of Translational Medicine
https://www.readbyqxmd.com/read/22633269/high-intensity-focused-ultrasound-tumor-ablation-activates-autologous-tumor-specific-cytotoxic-t-lymphocytes
#6
Ji-Zhu Xia, Fang-Lin Xie, Li-Feng Ran, Xun-Peng Xie, Yan-Min Fan, Feng Wu
Previous studies have shown that high-intensity focused ultrasound (HIFU) ablation can enhance host antitumor immune response, though the mechanism is still unknown. In the present study, we investigated whether HIFU ablation could activate tumor-specific T lymphocytes and then induce antitumor cellular immunity. We studied 70 C57BL/6J mice bearing the H(22) tumor; they were randomly divided into a HIFU group and a sham-HIFU group. Of the mice, 35 in the HIFU group underwent HIFU ablation of the H(22) hepatic tumor, and the remaining 35 received a sham-HIFU procedure...
August 2012: Ultrasound in Medicine & Biology
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