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Lei W, Chang S, Tian F, Zou X, Hu J, Qian S. Numerical simulation study on opening blood-brain barrier by ultrasonic cavitation. ULTRASONICS SONOCHEMISTRY 2024; 109:107005. [PMID: 39098097 DOI: 10.1016/j.ultsonch.2024.107005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/16/2024] [Accepted: 07/29/2024] [Indexed: 08/06/2024]
Abstract
Experimental studies have shown that ultrasonic cavitation can reversibly open the blood-brain barrier (BBB) to assist drug delivery. Nevertheless, the majority of the present study focused on experimental aspects of BBB opening. In this study, we developed a three-bubble-liquid-solid model to investigate the dynamic behavior of multiple bubbles within the blood vessels, and elucidate the physical mechanism of drug molecules through endothelial cells under ultrasonic cavitation excitation. The results showed that the large bubbles have a significant inhibitory effect on the movement of small bubbles, and the vibration morphology of intravascular microbubbles was affected by the acoustic parameters, microbubble size, and the distance between the microbubbles. The ultrasonic cavitation can significantly enhance the unidirectional flux of drug molecules, and the unidirectional flux growth rate of the wall can reach more than 5 %. Microjets and shock waves emitted from microbubbles generate different stress distribution patterns on the vascular wall, which in turn affects the pore size of the vessel wall and the permeability of drug molecules. The vibration morphology of microbubbles is related to the concentration, arrangement and scale of microbubbles, and the drug permeation impact can be enhanced by optimizing bubble size and acoustic parameters. The results offer an extensive depiction of the factors influencing the blood-brain barrier opening through ultrasonic cavitation, and the model may provide a potential technique to actively regulate the penetration capacity of drugs through endothelial layer of the neurovascular system by regulating BBB opening.
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Affiliation(s)
- Weirui Lei
- School of Physics and Electronics, Hunan Normal University, Changsha 410081, China
| | - Shuai Chang
- School of Physics and Electronics, Hunan Normal University, Changsha 410081, China
| | - Feng Tian
- School of Physics and Electronics, Hunan Normal University, Changsha 410081, China
| | - Xiao Zou
- School of Physics and Electronics, Hunan Normal University, Changsha 410081, China.
| | - Jiwen Hu
- School of Mathematics and Physics, University of South China, Hengyang 421001, China.
| | - Shengyou Qian
- School of Physics and Electronics, Hunan Normal University, Changsha 410081, China.
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Huang H, Zheng Y, Chang M, Song J, Xia L, Wu C, Jia W, Ren H, Feng W, Chen Y. Ultrasound-Based Micro-/Nanosystems for Biomedical Applications. Chem Rev 2024; 124:8307-8472. [PMID: 38924776 DOI: 10.1021/acs.chemrev.4c00009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Due to the intrinsic non-invasive nature, cost-effectiveness, high safety, and real-time capabilities, besides diagnostic imaging, ultrasound as a typical mechanical wave has been extensively developed as a physical tool for versatile biomedical applications. Especially, the prosperity of nanotechnology and nanomedicine invigorates the landscape of ultrasound-based medicine. The unprecedented surge in research enthusiasm and dedicated efforts have led to a mass of multifunctional micro-/nanosystems being applied in ultrasound biomedicine, facilitating precise diagnosis, effective treatment, and personalized theranostics. The effective deployment of versatile ultrasound-based micro-/nanosystems in biomedical applications is rooted in a profound understanding of the relationship among composition, structure, property, bioactivity, application, and performance. In this comprehensive review, we elaborate on the general principles regarding the design, synthesis, functionalization, and optimization of ultrasound-based micro-/nanosystems for abundant biomedical applications. In particular, recent advancements in ultrasound-based micro-/nanosystems for diagnostic imaging are meticulously summarized. Furthermore, we systematically elucidate state-of-the-art studies concerning recent progress in ultrasound-based micro-/nanosystems for therapeutic applications targeting various pathological abnormalities including cancer, bacterial infection, brain diseases, cardiovascular diseases, and metabolic diseases. Finally, we conclude and provide an outlook on this research field with an in-depth discussion of the challenges faced and future developments for further extensive clinical translation and application.
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Affiliation(s)
- Hui Huang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, P. R. China
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Yi Zheng
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P. R. China
| | - Meiqi Chang
- Laboratory Center, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P. R. China
| | - Jun Song
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Lili Xia
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Chenyao Wu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Wencong Jia
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Hongze Ren
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Wei Feng
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, P. R. China
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Yu Chen
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, P. R. China
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
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Lin J, Wu Y, Liu G, Cui R, Xu Y. Advances of ultrasound in tumor immunotherapy. Int Immunopharmacol 2024; 134:112233. [PMID: 38735256 DOI: 10.1016/j.intimp.2024.112233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/11/2024] [Accepted: 05/07/2024] [Indexed: 05/14/2024]
Abstract
Immunotherapy has become a revolutionary method for treating tumors, offering new hope to cancer patients worldwide. Immunotherapy strategies such as checkpoint inhibitors, chimeric antigen receptor T-cell (CAR-T) therapy, and cancer vaccines have shown significant potential in clinical trials. Despite the promising results, there are still limitations that impede the overall effectiveness of immunotherapy; the response to immunotherapy is uneven, the response rate of patients is still low, and systemic immune toxicity accompanied with tumor cell immune evasion is common. Ultrasound technology has evolved rapidly in recent years and has become a significant player in tumor immunotherapy. The introductions of high intensity focused ultrasound and ultrasound-stimulated microbubbles have opened doors for new therapeutic strategies in the fight against tumor. This paper explores the revolutionary advancements of ultrasound combined with immunotherapy in this particular field.
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Affiliation(s)
- Jing Lin
- Department of Ultrasound, Guangdong Provincial Hospital of Chinese Medicine-Zhuhai Hospital, Zhuhai, PR China.
| | - Yuwei Wu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macao, PR China
| | - Guangde Liu
- Department of Ultrasound, Guangdong Provincial Hospital of Chinese Medicine-Zhuhai Hospital, Zhuhai, PR China
| | - Rui Cui
- Department of Ultrasonography, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, PR China
| | - Youhua Xu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macao, PR China; Macau University of Science and Technology Zhuhai MUST Science and Technology Research Institute, Hengqin, Zhuhai, PR China.
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Bakker A, Ixkes AE, Venugopal H, Ries MG, Lak NSM, de Vos FYFL, van Vuurden DG, Snijders TJ. Focused Ultrasound-Enhanced Liquid Biopsy: A Promising Diagnostic Tool for Brain Tumor Patients. Cancers (Basel) 2024; 16:1576. [PMID: 38672658 PMCID: PMC11049441 DOI: 10.3390/cancers16081576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
The performance of minimally invasive molecular diagnostic tools in brain tumors, such as liquid biopsy, has so far been limited by the blood-brain barrier (BBB). The BBB hinders the release of brain tumor biomarkers into the bloodstream. The use of focused ultrasound in conjunction with microbubbles has been shown to temporarily open the BBB (FUS-BBBO). This may enhance blood-based tumor biomarker levels. This systematic review provides an overview of the data regarding FUS-BBBO-enhanced liquid biopsy for primary brain tumors. A systematic search was conducted in PubMed and Embase databases with key terms "brain tumors", "liquid biopsy", "FUS" and their synonyms, in accordance with PRISMA statement guidelines. Five preclinical and two clinical studies were included. Preclinical studies utilized mouse, rat and porcine glioma models. Biomarker levels were found to be higher in sonicated groups compared to control groups. Both stable and inertial microbubble cavitation increased biomarker levels, whereas only inertial cavitation induced microhemorrhages. In clinical studies involving 14 patients with high-grade brain tumors, biomarker levels were increased after FUS-BBBO with stable cavitation. In conclusion, FUS-BBBO-enhanced liquid biopsy using stable cavitation shows diagnostic potential for primary brain tumors. Further research is imperative before integrating FUS-BBBO for liquid biopsy enhancement into clinical practice.
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Affiliation(s)
- Akke Bakker
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands
- Department of Neurology & Neurosurgery, UMC Utrecht Brain Center, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Anna E. Ixkes
- Biomedical Sciences, Utrecht University, Heidelberglaan 8, 3584 CS Utrecht, The Netherlands
| | - Hema Venugopal
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands
- Department of Neurology & Neurosurgery, UMC Utrecht Brain Center, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Mario G. Ries
- Imaging Division, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Nathalie S. M. Lak
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands
| | - Filip Y. F. L. de Vos
- Department of Medical Oncology, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Dannis G. van Vuurden
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands
| | - Tom J. Snijders
- Department of Neurology & Neurosurgery, UMC Utrecht Brain Center, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
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Keshmiri A, Keshavarzi B, Eftekhari M, Heitkam S, Eckert K. The impact of an ultrasonic standing wave on the sorption behavior of proteins: Investigation of the role of acoustically induced non-spherical bubble oscillations. J Colloid Interface Sci 2024; 660:52-65. [PMID: 38241871 DOI: 10.1016/j.jcis.2023.12.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/30/2023] [Accepted: 12/26/2023] [Indexed: 01/21/2024]
Abstract
HYPOTHESIS Protein molecules adsorb on the air/liquid interface due to possessing a hydrophobic side. A full surface coverage is important in many processes such as in protein harvesting by foam fractionation. The adsorption of proteins in low concentration solutions is preceded by a relatively long time lag known as the induction period. This has been attributed to the formation of an adsorbed monolayer, which relies on the reorientation of the protein molecules. The reduction of the induction period can significantly facilitate the sorption process to reach full protein coverage. For this purpose acoustically induced non-spherical bubble oscillations can aid in the formation of the monolayer and enhance the sorption process. EXPERIMENT In this study, low frequency ultrasound was used to induce non-spherical oscillations on an air bubble attached to a capillary. Profile analysis tensiometry was deployed to examine the effect of these non-spherical oscillations on the sorption dynamics of different proteins. FINDINGS We observed that during the initial stages of adsorption, when the bubble surface is almost empty, non-spherical oscillations occur, which were found to significantly expedite the adsorption process. However, during later stages of the adsorption process, despite the continued presence of several sonication phenomena such as the primary radiation force and acoustic streaming, no change in adsorption behavior of the proteins could be noted. The occurrence, duration, and intensity of the non-spherical bubble oscillations appeared to be the sole contributing factors for the change of the sorption dynamics of proteins.
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Affiliation(s)
- Anahita Keshmiri
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Fluid Dynamics, Bautzner Landstrasse 400, Dresden, 01328, Saxony, Germany; Technische Universität Dresden, Institute of Process Engineering and Environmental Technology, Dresden, 01069, Saxony, Germany.
| | - Behnam Keshavarzi
- Technische Universität Dresden, Institute of Process Engineering and Environmental Technology, Dresden, 01069, Saxony, Germany
| | - Milad Eftekhari
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Fluid Dynamics, Bautzner Landstrasse 400, Dresden, 01328, Saxony, Germany
| | - Sascha Heitkam
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Fluid Dynamics, Bautzner Landstrasse 400, Dresden, 01328, Saxony, Germany; Technische Universität Dresden, Institute of Process Engineering and Environmental Technology, Dresden, 01069, Saxony, Germany
| | - Kerstin Eckert
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Fluid Dynamics, Bautzner Landstrasse 400, Dresden, 01328, Saxony, Germany; Technische Universität Dresden, Institute of Process Engineering and Environmental Technology, Dresden, 01069, Saxony, Germany
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Zheng Y, Wang J, Chen H, Gao Y. Exploring Different Ultrasonic Parameters and Treatment Conditions to Optimize In Vitro Sonodynamic Therapeutic Effects in Cancer Cells. Cell Biochem Biophys 2024; 82:303-314. [PMID: 37831307 DOI: 10.1007/s12013-023-01189-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 10/03/2023] [Indexed: 10/14/2023]
Abstract
The effects of ultrasonic parameters and treatment conditions on the in vitro cellular experiments of sonodynamic therapy (SDT) have not been fully studied. Exploring the factors that affect the efficacy of SDT can provide a reference for screening effective sonosensitizers in vitro. The aim of this work is to investigate the factors that affected the SDT effects in cancer cells. Cancer cells in culture plates were exposed to ultrasound and sonosensitizers. The intracellular drug concentration was measured by using flow cytometry and the cell viability was determined by MTT assay. The SDT effects of cancer cells treated with different ultrasonic parameters under the same sonosensitizer concentration were different. The ultrasonic parameters, intracellular drug concentration, drug treatment time, cell amount, and cell status could affect the sonodynamic therapeutic effects. It is necessary to select appropriate ultrasound conditions and optimize the cellular status to make the results of the in vitro cellular experiments more reliable.
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Affiliation(s)
- Yilin Zheng
- Cancer Metastasis Alert and Prevention Center, and Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, College of Chemistry, Fuzhou University, Fuzhou, 350116, Fujian, China
| | - Jun Wang
- Cancer Metastasis Alert and Prevention Center, and Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, College of Chemistry, Fuzhou University, Fuzhou, 350116, Fujian, China
| | - Haijun Chen
- Key Laboratory of Molecule Synthesis and Function Discovery, College of Chemistry, Fuzhou University, Fuzhou, 350116, Fujian, China
| | - Yu Gao
- Cancer Metastasis Alert and Prevention Center, and Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, College of Chemistry, Fuzhou University, Fuzhou, 350116, Fujian, China.
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Franchin M, Coppola A, Muscato P, Cervarolo MC, Piffaretti G, Venturini M, Tozzi M. Stent migration as complication of endovascular treatment of vascular access stenosis: A systemic review. J Vasc Access 2024; 25:407-414. [PMID: 35945812 DOI: 10.1177/11297298221117948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Outflow vein stenosis is one of the commonest complications of both native and prosthetic vascular access. Together with angioplasty, first-line treatment is stenting. Although it has been described as a uncommon complication, the risk of stent migration should be always considered. We aimed to conduct a systematic review of literature concerning stents migration in vascular access, the possible outcomes and treatments. This study was performed applying Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Searches were conducted in PubMed/Medline, Scopus, and Google scholar databases. Studies selection, data abstraction was done by two different reviewers. We identified 17 studies, comprising 18 cases (M:F 1:1, mean age 56 ± 18 (range 33-88)). All the patients underwent stenting for vascular access outflow stenosis. The commonest type of device reported was self expandible bare-metal stent. Intraoperative evidence of stent migration occurred in six cases at the final quality control, or for intraprocedure dyspnea onset. In two patients it was a incidental diagnosis. In the remaining cases, chest pain or dyspnea were the common delayed presentation symptoms. Even if stent migration is an uncommon event, it is burdened with low mortality and morbidity. Literature provide only few and frequently inadequate data. Stent removal is the treatment of choice when severe symptoms or cardiopulmonary complication are present. Endovascular procedures demonstrated to be an effective and safe alternative, while open surgical treatment is preferred whenever endovascular therapy failed or in selected cases.
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Affiliation(s)
- Marco Franchin
- Vascular Surgery Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
| | - Andrea Coppola
- Diagnostic and Interventional Radiology Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
| | - Paola Muscato
- Vascular Surgery Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
| | - Maria Cristina Cervarolo
- Vascular Surgery Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
| | - Gabriele Piffaretti
- Vascular Surgery Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
| | - Massimo Venturini
- Diagnostic and Interventional Radiology Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
| | - Matteo Tozzi
- Vascular Surgery Unit, University of Insubria School of Medicine, Circolo University Teaching Hospital, Varese, Italy
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Del Campo Fonseca A, Ahmed D. Ultrasound robotics for precision therapy. Adv Drug Deliv Rev 2024; 205:115164. [PMID: 38145721 DOI: 10.1016/j.addr.2023.115164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/07/2023] [Accepted: 12/22/2023] [Indexed: 12/27/2023]
Abstract
In recent years, the application of microrobots in precision therapy has gained significant attention. The small size and maneuverability of these micromachines enable them to potentially access regions that are difficult to reach using traditional methods; thus, reducing off-target toxicities and maximizing treatment effectiveness. Specifically, acoustic actuation has emerged as a promising method to exert control. By harnessing the power of acoustic energy, these small machines potentially navigate the body, assemble at the desired sites, and deliver therapies with enhanced precision and effectiveness. Amidst the enthusiasm surrounding these miniature agents, their translation to clinical environments has proven difficult. The primary objectives of this review are threefold: firstly, to offer an overview of the fundamental acoustic principles employed in the field of microrobots; secondly, to assess their current applications in medical therapies, encompassing tissue targeting, drug delivery or even cell infiltration; and lastly, to delve into the continuous efforts aimed at integrating acoustic microrobots into in vivo applications.
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Affiliation(s)
- Alexia Del Campo Fonseca
- Department of Mechanical and Process Engineering, Acoustic Robotics Systems Lab, ETH Zurich, Säumerstrasse 4, 8803 Rüschlikon, Switzerland.
| | - Daniel Ahmed
- Department of Mechanical and Process Engineering, Acoustic Robotics Systems Lab, ETH Zurich, Säumerstrasse 4, 8803 Rüschlikon, Switzerland.
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Tran NLH, Lam TQ, Duong PVQ, Doan LH, Vu MP, Nguyen KHP, Nguyen KT. Review on the Significant Interactions between Ultrafine Gas Bubbles and Biological Systems. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:984-996. [PMID: 38153335 DOI: 10.1021/acs.langmuir.3c03223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
Having sizes comparable with living cells and high abundance, ultrafine bubbles (UBs) are prone to inevitable interactions with different types of cells and facilitate alterations in physiological properties. The interactions of four typical cell types (e.g., bacterial, fungal, plant, and mammalian cells) with UBs have been studied over recent years. For bacterial cells, UBs have been utilized in creating the capillary force to tear down biofilms. The release of high amounts of heat, pressure, and free radicals during bubble rupture is also found to affect bacterial cell growth. Similarly, the bubble gas core identity plays an important role in the development of fungal cells. By the proposed mechanism of attachment of UBs on hydrophobin proteins in the fungal cell wall, oxygen and ozone gas-filled ultrafine bubbles can either promote or hinder the cell growth rate. On the other hand, reactive oxygen species (ROS) formation and mass transfer facilitation are two means of indirect interactions between UBs and plant cells. Likewise, the use of different gas cores in generating bubbles can produce different physical effects on these cells, for example, hydrogen gas for antioxidation against infections and oxygen for oxidation of toxic metal ions. For mammalian cells, the importance of investigating their interactions with UBs lies in the bubbles' action on cell viability as membrane poration for drug delivery can greatly affect cells' survival. UBs have been utilized and tested in forming the pores by different methods, ranging from bubble oscillation and microstream generation through acoustic cavitation to bubble implosion.
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Affiliation(s)
- Nguyen Le Hanh Tran
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Thien Quang Lam
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Phuong Vu Quynh Duong
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Linh Hai Doan
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Mai Phuong Vu
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Khang Huy Phuc Nguyen
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Khoi Tan Nguyen
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam
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Stamp MEM, Halwes M, Nisbet D, Collins DJ. Breaking barriers: exploring mechanisms behind opening the blood-brain barrier. Fluids Barriers CNS 2023; 20:87. [PMID: 38017530 PMCID: PMC10683235 DOI: 10.1186/s12987-023-00489-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/13/2023] [Indexed: 11/30/2023] Open
Abstract
The blood-brain barrier (BBB) is a selectively permeable membrane that separates the bloodstream from the brain. While useful for protecting neural tissue from harmful substances, brain-related diseases are difficult to treat due to this barrier, as it also limits the efficacy of drug delivery. To address this, promising new approaches for enhancing drug delivery are based on disrupting the BBB using physical means, including optical/photothermal therapy, electrical stimulation, and acoustic/mechanical stimulation. These physical mechanisms can temporarily and locally open the BBB, allowing drugs and other substances to enter. Focused ultrasound is particularly promising, with the ability to focus energies to targeted, deep-brain regions. In this review, we examine recent advances in physical approaches for temporary BBB disruption, describing their underlying mechanisms as well as evaluating the utility of these physical approaches with regard to their potential risks and limitations. While these methods have demonstrated efficacy in disrupting the BBB, their safety, comparative efficacy, and practicality for clinical use remain an ongoing topic of research.
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Affiliation(s)
- Melanie E M Stamp
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, Australia.
- Graeme Clark Institute for Biomedical Engineering, The University of Melbourne, Melbourne, Australia.
| | - Michael Halwes
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, Australia
- Graeme Clark Institute for Biomedical Engineering, The University of Melbourne, Melbourne, Australia
| | - David Nisbet
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, Australia
- Graeme Clark Institute for Biomedical Engineering, The University of Melbourne, Melbourne, Australia
| | - David J Collins
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, Australia
- Graeme Clark Institute for Biomedical Engineering, The University of Melbourne, Melbourne, Australia
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Zahraie N, Haghighi H, Salehi F, Daneshvar F, Tamaddon P, Sattarahmady N. Pulsed sonodynamic therapy of melanoma cancer cells using nanoparticles of and mesoporous platinum. ULTRASOUND IN MEDICINE & BIOLOGY 2023:S0301-5629(23)00205-3. [PMID: 37414634 DOI: 10.1016/j.ultrasmedbio.2023.06.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 06/08/2023] [Accepted: 06/13/2023] [Indexed: 07/08/2023]
Abstract
OBJECTIVE Noble metal nanomaterials have been introduced as ideal sonosensitizers for sonodynamic therapy (SDT) of cancer. In this research, platinum nanoparticles (PtNPs) and mesoporous platinum (MPt) were first synthesized and then evaluated as novel sonosensitizers. METHODS Ultrasound waves were radiated at two different power densities and two different pulse ratios to develop a pulsed radiation route for SDT of the malignant melanoma cell line C540 (B16/F10). Fluorescence emission was recorded as an indicator of intracellular reactive oxygen generation during the treatment. RESULTS Platinum nanoparticles had an average diameter of 12 ± 7 nm and a zeta potential of -17.6 mV; also, MPt had a sponge-like and highly porous structure with a pore size <11 nm and a zeta potential of -39.5 mV. Both PtNPs and MPt, particularly the latter, enhanced the rate of inhibition of tumor cell growth on ultrasound radiation at an output power density of 1.0 W cm-2 and pulse ratio of 30% over 10 min without intensifying temperature. CONCLUSION Use of the developed pulsed (rather than continuous) radiation in SDT and PtNPs or MPT, without hyperthermia, resulted in a new effective cancer treatment method based on the mechanisms of cavitation and/or ROS generation.
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Affiliation(s)
- Niloofar Zahraie
- Nanomedicine and Nanobiology Research Center and Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hanieh Haghighi
- Nanomedicine and Nanobiology Research Center and Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Salehi
- Nanomedicine and Nanobiology Research Center and Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Daneshvar
- Nanomedicine and Nanobiology Research Center and Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Paria Tamaddon
- Nanomedicine and Nanobiology Research Center and Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Naghmeh Sattarahmady
- Nanomedicine and Nanobiology Research Center and Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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Signori LU, Rubin Neto LJ, Jaenisch RB, Puntel GO, Nunes GS, Paulitsch FS, Hauck M, Silva AMVD. Effects of therapeutic ultrasound on the endothelial function of patients with type 2 diabetes mellitus. Braz J Med Biol Res 2023; 56:e12576. [PMID: 37377306 DOI: 10.1590/1414-431x2023e12576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/01/2023] [Indexed: 06/29/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is characterized by endothelial dysfunction that causes micro- and macrovascular complications. Low intensity therapeutic ultrasound (LITUS) may improve endothelial function, but its effects have not been investigated in these patients. The aim of our study was to compare the effects of pulsed (PUT) and continuous (CUT) waveforms of LITUS on the endothelium-dependent vasodilation of T2DM patients. The present randomized crossover trial had a sample of twenty-three patients (7 men) diagnosed with T2DM, 55.6 (±9.1) years old, with a body mass index of 28.6 (±3.3) kg/m2. All patients were randomized and submitted to different waveforms (Placebo, CUT, and PUT) of LITUS and the arterial endothelial function was evaluated. The LITUS of 1 MHz was applied in pulsed (PUT: 20% duty cycle, 0.08 W/cm2 SATA), continuous (CUT: 0.4 W/cm2 SPTA), and Placebo (equipment off) types of waves during 5 min on the brachial artery. Endothelial function was evaluated using the flow-mediated dilation (FMD) technique. PUT (mean difference 2.08%, 95% confidence interval 0.65 to 3.51) and CUT (mean difference 2.32%, 95% confidence interval 0.89 to 3.74) increased the %FMD compared to Placebo. In the effect size analysis, PUT (d=0.65) and CUT (d=0.65) waveforms presented moderate effects in the %FMD compared to Placebo. The vasodilator effect was similar in the different types of waves. Pulsed and continuous waveforms of LITUS of 1 MHz improved the arterial endothelial function in T2DM patients.
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Affiliation(s)
- L U Signori
- Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - L J Rubin Neto
- Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - R B Jaenisch
- Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - G O Puntel
- Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - G S Nunes
- Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - F S Paulitsch
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - M Hauck
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - A M V da Silva
- Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
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13
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Ambattu LA, Yeo LY. Sonomechanobiology: Vibrational stimulation of cells and its therapeutic implications. BIOPHYSICS REVIEWS 2023; 4:021301. [PMID: 38504927 PMCID: PMC10903386 DOI: 10.1063/5.0127122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/27/2023] [Indexed: 03/21/2024]
Abstract
All cells possess an innate ability to respond to a range of mechanical stimuli through their complex internal machinery. This comprises various mechanosensory elements that detect these mechanical cues and diverse cytoskeletal structures that transmit the force to different parts of the cell, where they are transcribed into complex transcriptomic and signaling events that determine their response and fate. In contrast to static (or steady) mechanostimuli primarily involving constant-force loading such as compression, tension, and shear (or forces applied at very low oscillatory frequencies (≤ 1 Hz) that essentially render their effects quasi-static), dynamic mechanostimuli comprising more complex vibrational forms (e.g., time-dependent, i.e., periodic, forcing) at higher frequencies are less well understood in comparison. We review the mechanotransductive processes associated with such acoustic forcing, typically at ultrasonic frequencies (> 20 kHz), and discuss the various applications that arise from the cellular responses that are generated, particularly for regenerative therapeutics, such as exosome biogenesis, stem cell differentiation, and endothelial barrier modulation. Finally, we offer perspectives on the possible existence of a universal mechanism that is common across all forms of acoustically driven mechanostimuli that underscores the central role of the cell membrane as the key effector, and calcium as the dominant second messenger, in the mechanotransduction process.
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Affiliation(s)
- Lizebona August Ambattu
- Micro/Nanophysics Research Laboratory, School of Engineering, RMIT University, Melbourne VIC 3000, Australia
| | - Leslie Y. Yeo
- Micro/Nanophysics Research Laboratory, School of Engineering, RMIT University, Melbourne VIC 3000, Australia
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14
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Singh R, Yang X. A review on photo-mediated ultrasound therapy. Exp Biol Med (Maywood) 2023; 248:775-786. [PMID: 37452726 PMCID: PMC10468643 DOI: 10.1177/15353702231181191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023] Open
Abstract
Photo-mediated ultrasound therapy (PUT) is a novel therapeutic technique based on the combination of ultrasound and laser. The underlying mechanism of PUT is the enhanced cavitation effect inside blood vessels. The enhanced cavitation activity can result in bio-effects such as reduced perfusion in microvessels. The reduced perfusion effect in microvessels in the eye has the potential to control the progression of eye diseases such as diabetic retinopathy and age-related macular degeneration. Several in vivo studies have demonstrated the feasibility of PUT in removing microvasculature in the eye using rabbit eye model and vasculature in the skin using rabbit ear model. Numerical studies using a bubble dynamics model found that cavitation is enhanced during PUT due to the dramatic increase in size of air/vapor nuclei in blood. In addition, the study conducted to model cavitation dynamics inside a blood vessel during PUT found stresses induced on the vessel wall during PUT are higher than that at normal physiological levels, which may be responsible for bio-effects. The concentration of vasodilators such as nitric oxide and prostacyclin were also found to be affected during PUT in an in vitro study, which may limit blood perfusion in vessels. The main advantage of PUT over conventional techniques is non-invasive, precise, and selective removal of microvessels with high efficiency at relatively low energy levels of ultrasound and laser, without affecting the nearby structures. However, the main limitation of vessel rupture/hemorrhage needs to be overcome through the development of real-time monitoring of treatment effects during PUT. In addition to the application in removing microvessels, PUT-based techniques were also explored in treating other diseases. Studies have found a combination of ultrasound and laser to be effective in removing blood clots inside veins, which has the potential to treat deep-vein thrombosis. The disruption of atherosclerotic plaque using combined ultrasound and laser was also tested, and the feasibility was demonstrated.
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Affiliation(s)
- Rohit Singh
- Department of Mechanical Engineering, Institute for Bioengineering Research, The University of Kansas, Lawrence, KS 66045, USA
| | - Xinmai Yang
- Department of Mechanical Engineering, Institute for Bioengineering Research, The University of Kansas, Lawrence, KS 66045, USA
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15
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Johansen PM, Hansen PY, Mohamed AA, Girshfeld SJ, Feldmann M, Lucke-Wold B. Focused ultrasound for treatment of peripheral brain tumors. EXPLORATION OF DRUG SCIENCE 2023; 1:107-125. [PMID: 37171968 PMCID: PMC10168685 DOI: 10.37349/eds.2023.00009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 04/13/2023] [Indexed: 05/14/2023]
Abstract
Malignant brain tumors are the leading cause of cancer-related death in children and remain a significant cause of morbidity and mortality throughout all demographics. Central nervous system (CNS) tumors are classically treated with surgical resection and radiotherapy in addition to adjuvant chemotherapy. However, the therapeutic efficacy of chemotherapeutic agents is limited due to the blood-brain barrier (BBB). Magnetic resonance guided focused ultrasound (MRgFUS) is a new and promising intervention for CNS tumors, which has shown success in preclinical trials. High-intensity focused ultrasound (HIFU) has the capacity to serve as a direct therapeutic agent in the form of thermoablation and mechanical destruction of the tumor. Low-intensity focused ultrasound (LIFU) has been shown to disrupt the BBB and enhance the uptake of therapeutic agents in the brain and CNS. The authors present a review of MRgFUS in the treatment of CNS tumors. This treatment method has shown promising results in preclinical trials including minimal adverse effects, increased infiltration of the therapeutic agents into the CNS, decreased tumor progression, and improved survival rates.
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Affiliation(s)
| | - Payton Yerke Hansen
- Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Ali A. Mohamed
- Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Sarah J. Girshfeld
- Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Marc Feldmann
- College of Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Brandon Lucke-Wold
- Department of Neurosurgery, University of Florida, Gainesville, FL 32611, USA
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16
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Hauck M, Schardong J, Donini G, Normann TC, Plentz RDM. Effects of photobiomodulation therapy (PBMT) over endothelial function in healthy individuals: a preliminary crossover clinical trial. Lasers Med Sci 2023; 38:104. [PMID: 37072603 DOI: 10.1007/s10103-023-03762-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/05/2023] [Indexed: 04/20/2023]
Abstract
Photobiomodulation therapy (PBMT) causes stimulatory effects that raise cell metabolism. The study aimed to evaluate the effects of PBMT on the endothelial function of healthy individuals. It was a controlled, randomized, crossover, triple-blind trial with 22 healthy volunteers (female: 77.3%), aged 25.45 years which were randomly divided into three groups. PBMT with gallium-aluminum-arsenide (GaAlAs) diode laser (810 nm, continuous-wave mode, 1000 mW, 0.28 cm2) was applied over the radial and ulnar artery regions in two parallel spots: group 1-30 J (n = 22, 107 J/cm2) per spot; group 2-60 J (n = 22, 214 J/cm2) per spot; and group 3-placebo (n = 22, sham). The endothelial function was measured before and immediately after PBMT by the flow-mediated dilation technique (%FMD) with high-resolution ultrasound. Statistical analysis was made with ANOVA for repeated measures, the effect size was measured by Cohen's d, and results are presented as mean and standard error (or 95% confidence intervals). A p-value < 0.05 was considered statistically significant. The %FMD increases 10.4% with 60 J (mean difference = 0.496 mm, 95% CI = 0.42 to 0.57, p < 0.001), 7.3% with 30 J (mean difference = 0.518 mm, 95% CI = 0.44 to 0.59, p < 0.001), and 4.7% with placebo (mean difference = 0.560 mm, 95% CI = 0.48 to 0.63, p < 0.001). We found a small effect size (p = 0.702; d de Cohen = 0.24) without statistical difference between interventions. PBMT with the energy density of 60 J and 30 J did not improve endothelial function.Trial registration number: NCT03252184 (01/09/2017).
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Affiliation(s)
- Melina Hauck
- Graduate Programm in Health Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Zip Code: 90050-170, Porto Alegre, Brazil.
- Graduate Programm in Rehabilitation Sciences of Universidade Federal de Santa Catarina (UFSC), Zip Code: 88.905-120, Araranguá, Brazil.
| | - Jociane Schardong
- Complexo Hospitalar Irmandade Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, Zip Code: 90020-090, Brazil
| | - Gabriela Donini
- Graduate in Physiotherapy, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Zip Code: 90050-170, Brazil
| | - Tatiana Coser Normann
- Health Multidisciplinary Residency Programm in Urgency and Emergency, Hospital de Pronto Socorro de Porto Alegre (HPS), Porto Alegre, Zip Code: 90040-192, Brazil
| | - Rodrigo Della Méa Plentz
- Graduate Programm in Health Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Zip Code: 90050-170, Porto Alegre, Brazil
- Complexo Hospitalar Irmandade Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, Zip Code: 90020-090, Brazil
- Physiotherapy Department, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Zip Code: 90050-170, Brazil
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17
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Quarato CMI, Lacedonia D, Salvemini M, Tuccari G, Mastrodonato G, Villani R, Fiore LA, Scioscia G, Mirijello A, Saponara A, Sperandeo M. A Review on Biological Effects of Ultrasounds: Key Messages for Clinicians. Diagnostics (Basel) 2023; 13:855. [PMID: 36899998 PMCID: PMC10001275 DOI: 10.3390/diagnostics13050855] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/18/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Ultrasound (US) is acoustic energy that interacts with human tissues, thus, producing bioeffects that may be hazardous, especially in sensitive organs (i.e., brain, eye, heart, lung, and digestive tract) and embryos/fetuses. Two basic mechanisms of US interaction with biological systems have been identified: thermal and non-thermal. As a result, thermal and mechanical indexes have been developed to provide a means of assessing the potential for biological effects from exposure to diagnostic US. The main aims of this paper were to describe the models and assumptions used to estimate the "safety" of acoustic outputs and indices and to summarize the current state of knowledge about US-induced effects on living systems deriving from in vitro models and in vivo experiments on animals. This review work has made it possible to highlight the limits associated with the use of the estimated safety values of thermal and mechanical indices relating above all to the use of new US technologies, such as contrast-enhanced ultrasound (CEUS) and acoustic radiation force impulse (ARFI) shear wave elastography (SWE). US for diagnostic and research purposes has been officially declared safe, and no harmful biological effects in humans have yet been demonstrated with new imaging modalities; however, physicians should be adequately informed on the potential risks of biological effects. US exposure, according to the ALARA (As Low As Reasonably Achievable) principle, should be as low as reasonably possible.
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Affiliation(s)
- Carla Maria Irene Quarato
- Department of Medical and Surgical Sciences, Institute of Respiratory Diseases, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Donato Lacedonia
- Department of Medical and Surgical Sciences, Institute of Respiratory Diseases, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Michela Salvemini
- Department of Medical and Surgical Sciences, Institute of Respiratory Diseases, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Giulia Tuccari
- Department of Medical and Surgical Sciences, Institute of Geriatric, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Grazia Mastrodonato
- Department of Basic Medical Science, Neuroscience and Sensory Organs, Institute of Sports Medicine, University “Aldo Moro” of Bari, 70122 Bari, Italy
| | - Rosanna Villani
- Department of Medical and Surgical Sciences, Institute of Internal Medicine, Liver Unit, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Lucia Angela Fiore
- Department of Medical and Surgical Sciences, Institute of Geriatric, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Giulia Scioscia
- Department of Medical and Surgical Sciences, Institute of Respiratory Diseases, Policlinico Universitario “Riuniti” di Foggia, University of Foggia, 71122 Foggia, Italy
| | - Antonio Mirijello
- Department of Internal of Medicine, IRCCS Fondazione Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy
| | | | - Marco Sperandeo
- Unit of Interventional and Diagnostic Ultrasound of Internal Medicine, IRCCS Fondazione Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy
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18
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Huang W, Sakuma S, Tottori N, Sugano SS, Yamanishi Y. Viscosity-aided electromechanical poration of cells for transfecting molecules. LAB ON A CHIP 2022; 22:4276-4291. [PMID: 36263697 DOI: 10.1039/d2lc00628f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Cell poration technologies offer opportunities not only to understand the activities of biological molecules but also to investigate genetic manipulation possibilities. Unfortunately, transferring large molecules that can carry huge genomic information is challenging. Here, we demonstrate electromechanical poration using a core-shell-structured microbubble generator, consisting of a fine microelectrode covered with a dielectric material. By introducing a microcavity at its tip, we could concentrate the electrical field with the application of electric pulses and generate microbubbles for electromechanical stimulation of cells. Specifically, the technology enables transfection with molecules that are thousands of kDa even into osteoblasts and Chlamydomonas, which are generally considered to be difficult to inject. Notably, we found that the transfection efficiency can be enhanced by adjusting the viscosity of the cell suspension, which was presumably achieved by remodeling of the membrane cytoskeleton. The applicability of the approach to a variety of cell types opens up numerous emerging gene engineering applications.
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Affiliation(s)
- Wenjing Huang
- Department of Mechanical Engineering, Kyushu University, Fukuoka 819-0395, Japan.
| | - Shinya Sakuma
- Department of Mechanical Engineering, Kyushu University, Fukuoka 819-0395, Japan.
| | - Naotomo Tottori
- Department of Mechanical Engineering, Kyushu University, Fukuoka 819-0395, Japan.
| | - Shigeo S Sugano
- Bioproduction Research Institute, The National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki 305-8566, Japan.
| | - Yoko Yamanishi
- Department of Mechanical Engineering, Kyushu University, Fukuoka 819-0395, Japan.
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19
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Przystupski D, Ussowicz M. Landscape of Cellular Bioeffects Triggered by Ultrasound-Induced Sonoporation. Int J Mol Sci 2022; 23:ijms231911222. [PMID: 36232532 PMCID: PMC9569453 DOI: 10.3390/ijms231911222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/16/2022] [Accepted: 09/20/2022] [Indexed: 11/18/2022] Open
Abstract
Sonoporation is the process of transient pore formation in the cell membrane triggered by ultrasound (US). Numerous studies have provided us with firm evidence that sonoporation may assist cancer treatment through effective drug and gene delivery. However, there is a massive gap in the body of literature on the issue of understanding the complexity of biophysical and biochemical sonoporation-induced cellular effects. This study provides a detailed explanation of the US-triggered bioeffects, in particular, cell compartments and the internal environment of the cell, as well as the further consequences on cell reproduction and growth. Moreover, a detailed biophysical insight into US-provoked pore formation is presented. This study is expected to review the knowledge of cellular effects initiated by US-induced sonoporation and summarize the attempts at clinical implementation.
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20
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Sun C, Dong Y, Wei J, Cai M, Liang D, Fu Y, Zhou Y, Sui Y, Wu F, Mikhaylov R, Wang H, Fan F, Xie Z, Stringer M, Yang Z, Wu Z, Tian L, Yang X. Acoustically Accelerated Neural Differentiation of Human Embryonic Stem Cells. Acta Biomater 2022; 151:333-345. [DOI: 10.1016/j.actbio.2022.07.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 06/14/2022] [Accepted: 07/25/2022] [Indexed: 11/17/2022]
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21
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Mungur R, Zheng J, Wang B, Chen X, Zhan R, Tong Y. Low-Intensity Focused Ultrasound Technique in Glioblastoma Multiforme Treatment. Front Oncol 2022; 12:903059. [PMID: 35677164 PMCID: PMC9169875 DOI: 10.3389/fonc.2022.903059] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Glioblastoma is one of the central nervous system most aggressive and lethal cancers with poor overall survival rate. Systemic treatment of glioblastoma remains the most challenging aspect due to the low permeability of the blood-brain barrier (BBB) and blood-tumor barrier (BTB), limiting therapeutics extravasation mainly in the core tumor as well as in its surrounding invading areas. It is now possible to overcome these barriers by using low-intensity focused ultrasound (LIFU) together with intravenously administered oscillating microbubbles (MBs). LIFU is a non-invasive technique using converging ultrasound waves which can alter the permeability of BBB/BTB to drug delivery in a specific brain/tumor region. This emerging technique has proven to be both safe and repeatable without causing injury to the brain parenchyma including neurons and other structures. Furthermore, LIFU is also approved by the FDA to treat essential tremors and Parkinson's disease. It is currently under clinical trial in patients suffering from glioblastoma as a drug delivery strategy and liquid biopsy for glioblastoma biomarkers. The use of LIFU+MBs is a step-up in the world of drug delivery, where onco-therapeutics of different molecular sizes and weights can be delivered directly into the brain/tumor parenchyma. Initially, several potent drugs targeting glioblastoma were limited to cross the BBB/BTB; however, using LIFU+MBs, diverse therapeutics showed significantly higher uptake, improved tumor control, and overall survival among different species. Here, we highlight the therapeutic approach of LIFU+MBs mediated drug-delivery in the treatment of glioblastoma.
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Affiliation(s)
- Rajneesh Mungur
- Department of Neurosurgery of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jiesheng Zheng
- Department of Neurosurgery of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ben Wang
- Key Laboratory of Cancer Prevention and Intervention, Key Laboratory of Molecular Biology in Medical Sciences, National Ministry of Education, Cancer Institute, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University, Hangzhou, China
| | - Xinhua Chen
- Key Laboratory of Pulsed Power Translational Medicine of Zhejiang Province, Hangzhou, China.,Department of Hepatobiliary and Pancreatic Surgery of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Renya Zhan
- Department of Neurosurgery of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ying Tong
- Department of Neurosurgery of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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22
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Barbato G, Nisticò R, Triaca V. Exploiting Focused Ultrasound to Aid Intranasal Drug Delivery for Brain Therapy. Front Pharmacol 2022; 13:786475. [PMID: 35496270 PMCID: PMC9046653 DOI: 10.3389/fphar.2022.786475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
Novel effective therapeutic strategies are needed to treat brain neurodegenerative diseases and to improve the quality of life of patients affected by Alzheimer’s disease (AD), Parkinson’s disease (PD), Huntington’s disease (HD), Amyotrophic Lateral sclerosis (ALS) as well as other brain conditions. At present no effective treatment options are available; current therapeutics for neurodegenerative diseases (NDs) improve cognitive symptoms only transiently and in a minor number of patients. Further, most of the amyloid-based phase III clinical trials recently failed in AD, in spite of promising preclinical and phase I-II clinical trials, further pinpointing the need for a better knowledge of the early mechanisms of disease as well as of more effective routes of drug administration. In fact, beyond common pathological events and molecular substrates, each of these diseases preferentially affect defined subpopulations of neurons in specific neuronal circuits (selective neuronal vulnerability), leading to the typical age-related clinical profile. In this perspective, key to successful drug discovery is a robust and reproducible biological validation of potential new molecular targets together with a concomitant set up of protocols/tools for efficient and targeted brain delivery to a specific area of interest. Here we propose and discuss Focused UltraSound aided drug administration as a specific and novel technical approach to achieve optimal concentration of the drug at the target area of interest. We will focus on drug delivery to the brain through the nasal route coupled to FUS as a promising approach to achieve neuroprotection and rescue of cognitive decline in several NDs.
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Affiliation(s)
- Gaetano Barbato
- Inno-Sol Srl, Rome, Italy
- Department of Biology, School of Pharmacy, University of Tor Vergata, Rome, Italy
- *Correspondence: Gaetano Barbato, ; Robert Nisticò, ; Viviana Triaca,
| | - Robert Nisticò
- Department of Biology, School of Pharmacy, University of Tor Vergata, Rome, Italy
- Laboratory of Pharmacology of Synaptic Plasticity, Fondazione EBRI Rita Levi Montalcini, Rome, Italy
- *Correspondence: Gaetano Barbato, ; Robert Nisticò, ; Viviana Triaca,
| | - Viviana Triaca
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), International Campus A. Buzzati-Traverso, Rome, Italy
- *Correspondence: Gaetano Barbato, ; Robert Nisticò, ; Viviana Triaca,
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23
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Omata D, Munakata L, Maruyama K, Suzuki R. Ultrasound and microbubble-mediated drug delivery and immunotherapy. J Med Ultrason (2001) 2022:10.1007/s10396-022-01201-x. [PMID: 35403931 DOI: 10.1007/s10396-022-01201-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 01/19/2022] [Indexed: 12/17/2022]
Abstract
Ultrasound induces the oscillation and collapse of microbubbles such as those of an ultrasound contrast agent, where these behaviors generate mechanical and thermal effects on cells and tissues. These, in turn, induce biological responses in cells and tissues, such as cellular signaling, endocytosis, or cell death. These physiological effects have been used for therapeutic purposes. Most pharmaceutical agents need to pass through the blood vessel walls and reach the parenchyma cells to produce therapeutic effects in drug delivery. Therefore, the blood vessel walls act as an obstacle to drug delivery. The combination of ultrasound and microbubbles is a promising strategy to enhance vascular permeability, improving drug transport from blood to tissues. This combination has also been applied to gene and protein delivery, such as cytokines and antigens for immunotherapy. Immunotherapy, in particular, is an attractive technique for cancer treatment as it induces a cancer cell-specific response. However, sufficient anti-tumor effects have not been achieved with the conventional cancer immunotherapy. Recently, new therapies based on immunomodulation with immune checkpoint inhibitors have been reported. Immunomodulation can be regarded as a new strategy for cancer immunotherapy. It was also reported that mechanical and thermal effects induced by the combination of ultrasound and microbubbles could suppress tumor growth by promoting the cancer-immunity cycle via immunomodulation in the tumor microenvironment. In this review, we provide an overview of the application of ultrasound and microbubble combination for drug delivery and activation of the immune system in the microenvironment of tumor tissue.
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Affiliation(s)
- Daiki Omata
- Laboratory of Drug and Gene Delivery Research, Faculty of Pharma-Science, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Lisa Munakata
- Laboratory of Drug and Gene Delivery Research, Faculty of Pharma-Science, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Kazuo Maruyama
- Department of Theranostics, Faculty of Pharma-Science, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
- Advanced Comprehensive Research Organization (ACRO), Teikyo University, 2-21-1, Kaga, Itabashi-ku, Tokyo, 173-0003, Japan
| | - Ryo Suzuki
- Laboratory of Drug and Gene Delivery Research, Faculty of Pharma-Science, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan.
- Advanced Comprehensive Research Organization (ACRO), Teikyo University, 2-21-1, Kaga, Itabashi-ku, Tokyo, 173-0003, Japan.
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24
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Royse MK, Means AK, Calderon GA, Kinstlinger IS, He Y, Durante MR, Procopio A, Veiseh O, Xu J. A 3D printable perfused hydrogel vascular model to assay ultrasound-induced permeability. Biomater Sci 2022; 10:3158-3173. [DOI: 10.1039/d2bm00223j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of an in vitro model to study vascular permeability is vital for clinical applications such as the targeted delivery of therapeutics. This work demonstrates the use of a...
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25
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Tan C, Yan B, Han T, Yu ACH, Qin P. Improving temporal stability of stable cavitation activity of circulating microbubbles using a closed-loop controller based on pulse-length regulation. ULTRASONICS SONOCHEMISTRY 2022; 82:105882. [PMID: 34969003 PMCID: PMC8855699 DOI: 10.1016/j.ultsonch.2021.105882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/30/2021] [Accepted: 12/18/2021] [Indexed: 05/16/2023]
Abstract
Stable cavitation (SC) has shown great potential for novel therapeutic applications. The spatiotemporal distribution of the SC activity of microbubbles circulating in a target region is not only correlated with the uniformity of treatment, but also with some undesirable effects. Therefore, it is important to achieve controllable and desirable SC activity in target regions for improved therapeutic efficiency and biosafety. This study proposes a closed-loop feedback controller based on pulse length (PL) regulation to improve the temporal stability of SC activity. Microbubbles circulating in a physiological flowing phantom were exposed to a 1 MHz focused transducer. The SC signals produced were initially received by another 7.5 MHz plane transducer, followed by high-speed signal acquisition and real-time processing. Based on the real-time-measured SC intensity excited by the current acoustic pulse, the proposed closed-loop feedback controller used three proportional coefficients to regulate the peak negative pressure (PNP) and PL of the next acoustic pulse during the acceleration and stable stages, respectively. The results show that the rise time and the temporal stability of the SC intensity of the microbubbles circulating in these two stages were improved significantly by the optimized proportional coefficients used in the proposed controller. Importantly, when compared with the traditional closed-loop feedback controller based on PNP regulation, the proposed closed-loop feedback controller based on PL regulation reduced the probability of a transition between stable and inertial cavitation, thus avoiding the risk of disadvantageous bioeffects in practical applications. These results demonstrate the effectiveness of the proposed PL-based closed-loop feedback controller and provide a feasible strategy for realization of controllable cavitation activity in applications.
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Affiliation(s)
- Chunjie Tan
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Bo Yan
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Tao Han
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Alfred C H Yu
- Schlegel Research Institute for Aging, University of Waterloo, Waterloo, ON N2L3G1, Canada
| | - Peng Qin
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Institute of Medical Robotics, Shanghai Jiao Tong University, Shanghai 200240, China.
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26
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Araújo Martins Y, Zeferino Pavan T, Fonseca Vianna Lopez R. Sonodynamic therapy: Ultrasound parameters and in vitro experimental configurations. Int J Pharm 2021; 610:121243. [PMID: 34743959 DOI: 10.1016/j.ijpharm.2021.121243] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 10/07/2021] [Accepted: 10/25/2021] [Indexed: 01/02/2023]
Abstract
Sonodynamic therapy (SDT) is a new therapeutic modality for noninvasive cancer treatment based on the association of ultrasound and sonosensitizer drugs. Up to date, there is not a consensus on the standardization of the experimental conditions for the in vitro studies to correctly assess cell viability during SDT. Therefore, this review article mainly describes how the main ultrasound parameters and experimental setups of ultrasound application in vitro studies can influence the SDT bioeffects/response. The sonodynamic action is impacted by the combination of frequency, intensity, duty cycle, and ultrasound application time. The variation of experimental setups in cell culture, such as the transducer position, cell-transducer distance, coupling medium thickness, or type of culture, also influences the sonodynamic response. The intensity, duty cycle, and sonication duration increase cytotoxicity and reactive oxygen species production. For similar ultrasound parameters, differences in the experimental configuration impact cell death in vitro. Four main experimental setups are used to assess for SDT in cell culture (i) a planar transducer placed directly in contact with the bottom of the culture microplate; (ii) microplate positioned in the transducer's far-field using a water tank; (iii) sealed cell culture tubes immersed in water away from the transducer; and (iv) transducer dipped directly into the well with cell culture. Because of the significant variations in the experimental setups, sonodynamic response can significantly vary, and the translation of these results for in vivo experimentation is difficult. Therefore, a well-designed and detailed in vitro experimental setup is vital for understanding the interactions among the biological medium, the sonosensitizer, and the ultrasound for the in vitro to in vivo translation in SDT.
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Affiliation(s)
- Yugo Araújo Martins
- Pharmaceutical Sciences Department, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (FCFRP-USP), Ribeirão Preto, São Paulo, Brazil
| | - Theo Zeferino Pavan
- Department of Physics, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto (FFCLRP-USP), University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Renata Fonseca Vianna Lopez
- Pharmaceutical Sciences Department, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (FCFRP-USP), Ribeirão Preto, São Paulo, Brazil.
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27
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Tan X, Yi C, Zhang Y, Tang N, Xu Y, Liu Z. Ultrasound-Targeted Microbubble Destruction Alleviates Immunosuppression Induced by CD71 + Erythroid Progenitor Cells and Promotes PDL-1 Blockade Immunotherapy in the Lewis Lung Cancer Model. Front Oncol 2021; 11:768222. [PMID: 34746009 PMCID: PMC8569521 DOI: 10.3389/fonc.2021.768222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 09/30/2021] [Indexed: 01/04/2023] Open
Abstract
The CD71+ erythroid progenitor cells (CECs) exhibit distinctive immunosuppressive properties and regulate antitumor immunity to enable tumor growth. We presented a novel and non-invasive approach to improving immunity by targeting the splenic CECs via sonoporation generated by ultrasound-targeted microbubble destruction (UTMD). The systematic immunity enhanced by the reduction of PDL-1-expressing CECs also benefits the PDL-1 blockade therapy. In the Lewis lung cancer (LLC) model, the study group was treated by UTMD for 10 min at the splenic area with or without anti-mouse PDL-1 intraperitoneal injection. The frequency of splenic CEC, lymphocyte, and cytokine production was analyzed by flow cytometry. Serum interleukin-2 (IL-2) was tested by ELISA. Tumor volume was evaluated by two-dimensional ultrasound. The UTMD treatment consisted of ultrasound sonication and Sonazoid™ microbubble injection through the caudal vein. The mechanic index (MI) of ultrasound was set between 0.98 and 1.03. The results showed a significant reduction of splenic CECs and increased frequency of CD8+ T cells treated by UTMD treatment in the late-stage tumor. Tumor growth could be inhibited by UTMD combined with PDL-1 blockade therapy. The frequencies of interferon-γ (IFN-γ) producing CD8+ and CD4+ T cells were significantly increased after being treated by the combination of UTMD and PDL-1 blockade, while the reactive oxygen species (ROS) production and the fraction of the TGF-β-producing CD11b+ cells were significantly decreased. These preliminary findings suggest that UTMD enhances immune response and facilitates PDL-1 blockade therapy by targeting immunosuppressive CECs in the spleen. Our study provides new aspects and possibilities for treating cancer-related infection and tumor control in oncology.
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Affiliation(s)
- Xi Tan
- Department of Ultrasound, Xinqiao Hospital, The Second Hospital of The Army Medical University, Chongqing, China
| | - Cuo Yi
- Department of Ultrasound, Xinqiao Hospital, The Second Hospital of The Army Medical University, Chongqing, China
| | - Yi Zhang
- Department of Ultrasound, Xinqiao Hospital, The Second Hospital of The Army Medical University, Chongqing, China
| | - Najiao Tang
- Department of Ultrasound, Xinqiao Hospital, The Second Hospital of The Army Medical University, Chongqing, China
| | - Yali Xu
- Department of Ultrasound, Xinqiao Hospital, The Second Hospital of The Army Medical University, Chongqing, China
| | - Zheng Liu
- Department of Ultrasound, Xinqiao Hospital, The Second Hospital of The Army Medical University, Chongqing, China
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28
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Applications of Ultrasound-Mediated Drug Delivery and Gene Therapy. Int J Mol Sci 2021; 22:ijms222111491. [PMID: 34768922 PMCID: PMC8583720 DOI: 10.3390/ijms222111491] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/11/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022] Open
Abstract
Gene therapy has continuously evolved throughout the years since its first proposal to develop more specific and effective transfection, capable of treating a myriad of health conditions. Viral vectors are some of the most common and most efficient vehicles for gene transfer. However, the safe and effective delivery of gene therapy remains a major obstacle. Ultrasound contrast agents in the form of microbubbles have provided a unique solution to fulfill the need to shield the vectors from the host immune system and the need for site specific targeted therapy. Since the discovery of the biophysical and biological effects of microbubble sonification, multiple developments have been made to enhance its applicability in targeted drug delivery. The concurrent development of viral vectors and recent research on dual vector strategies have shown promising results. This review will explore the mechanisms and recent advancements in the knowledge of ultrasound-mediated microbubbles in targeting gene and drug therapy.
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29
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Visy A, Jónás G, Szakos D, Horváth-Mezőfi Z, Hidas KI, Barkó A, Friedrich L. Evaluation of ultrasound and microbubbles effect on pork meat during brining process. ULTRASONICS SONOCHEMISTRY 2021; 75:105589. [PMID: 34015685 PMCID: PMC8141938 DOI: 10.1016/j.ultsonch.2021.105589] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/01/2021] [Accepted: 05/09/2021] [Indexed: 05/22/2023]
Abstract
In this study combined effect of ultrasound-induced acoustic cavitation and microbubbles during meat brining on pork loin (Longissimus dorsi) was evaluated. Cylindrical shape (diameter 15 mm, height 80 mm) pork loin samples were cut and immersed in 200 g L-1 NaCl brine and treated with the following brining methods for 180 min: static brining (SB), ultrasound assisted brining (US) and ultrasound combined with microbubbles in brine (USMB). Ultrasound was generated with 20 kHz frequency, 5,09 W/cm2 maximum intensity and 100 W maximum power. Microbubbles in brine were produced by a gas-liquid mixing pump. Effect of ultrasound and microbbubles on NaCl content and diffusion in pork loin, mass balance, water binding capacity (WBC), protein denaturation and meat tissue microstructure were evaluated. The US and USMB brinings enhanced the NaCl diffusion into meat compared to meat brined under static conditions. The constant diffusion coefficient (D) model precisely described the NaCl diffusion kinetics during brinings. The ultrasound and microbbubles resulted in microscopic pores on the surface of myofibers. Decreasing WBC was observed for all brining methods. Myosin was not detectable in any of the brining methods. Denaturation temperature of actin showed a decreasing tendency with increasing brining time independently the brining methods.
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Affiliation(s)
- Anna Visy
- Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, 1118 Budapest, Hungary
| | - Gábor Jónás
- Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, 1118 Budapest, Hungary.
| | - Dávid Szakos
- University of Veterinary Medicine Budapest, István u. 2, 1078 Budapest, Hungary
| | - Zsuzsanna Horváth-Mezőfi
- Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, 1118 Budapest, Hungary
| | - Karina Ilona Hidas
- Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, 1118 Budapest, Hungary
| | - Annamária Barkó
- Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, 1118 Budapest, Hungary
| | - László Friedrich
- Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, 1118 Budapest, Hungary
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30
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Arsiwala TA, Sprowls SA, Blethen KE, Adkins CE, Saralkar PA, Fladeland RA, Pentz W, Gabriele A, Kielkowski B, Mehta RI, Wang P, Carpenter JS, Ranjan M, Najib U, Rezai AR, Lockman PR. Ultrasound-mediated disruption of the blood tumor barrier for improved therapeutic delivery. Neoplasia 2021; 23:676-691. [PMID: 34139452 PMCID: PMC8208897 DOI: 10.1016/j.neo.2021.04.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 12/21/2022] Open
Abstract
The blood-brain barrier (BBB) is a major anatomical and physiological barrier limiting the passage of drugs into brain. Central nervous system tumors can impair the BBB by changing the tumor microenvironment leading to the formation of a leaky barrier, known as the blood-tumor barrier (BTB). Despite the change in integrity, the BTB remains effective in preventing delivery of chemotherapy into brain tumors. Focused ultrasound is a unique noninvasive technique that can transiently disrupt the BBB and increase accumulation of drugs within targeted areas of the brain. Herein, we summarize the current understanding of different types of targeted ultrasound mediated BBB/BTB disruption techniques. We also discuss influence of the tumor microenvironment on BBB opening, as well as the role of immunological response following disruption. Lastly, we highlight the gaps between evaluation of the parameters governing opening of the BBB/BTB. A deeper understanding of physical opening of the BBB/BTB and the biological effects following disruption can potentially enhance treatment strategies for patients with brain tumors.
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Affiliation(s)
- T A Arsiwala
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - S A Sprowls
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - K E Blethen
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - C E Adkins
- School of Pharmacy, South University, Savannah, GA
| | - P A Saralkar
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - R A Fladeland
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - W Pentz
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - A Gabriele
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - B Kielkowski
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV
| | - R I Mehta
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV; Department of Neuroradiology, West Virginia University, Morgantown, WV; Department of Neuroscience, West Virginia University, Morgantown, WV
| | - P Wang
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV; Department of Neuroradiology, West Virginia University, Morgantown, WV
| | - J S Carpenter
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV; Department of Neuroradiology, West Virginia University, Morgantown, WV
| | - M Ranjan
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV; Departments of Neuroscience and Neurosurgery, West Virginia University, Morgantown, WV
| | - U Najib
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV; Department of Neurology, West Virginia University, Morgantown, WV
| | - A R Rezai
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV; Departments of Neuroscience and Neurosurgery, West Virginia University, Morgantown, WV
| | - P R Lockman
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, HSC, Morgantown, WV.
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31
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Awad N, Paul V, AlSawaftah NM, ter Haar G, Allen TM, Pitt WG, Husseini GA. Ultrasound-Responsive Nanocarriers in Cancer Treatment: A Review. ACS Pharmacol Transl Sci 2021; 4:589-612. [PMID: 33860189 PMCID: PMC8033618 DOI: 10.1021/acsptsci.0c00212] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Indexed: 12/13/2022]
Abstract
The safe and effective delivery of anticancer agents to diseased tissues is one of the significant challenges in cancer therapy. Conventional anticancer agents are generally cytotoxins with poor pharmacokinetics and bioavailability. Nanocarriers are nanosized particles designed for the selectivity of anticancer drugs and gene transport to tumors. They are small enough to extravasate into solid tumors, where they slowly release their therapeutic load by passive leakage or biodegradation. Using smart nanocarriers, the rate of release of the entrapped therapeutic(s) can be increased, and greater exposure of the tumor cells to the therapeutics can be achieved when the nanocarriers are exposed to certain internally (enzymes, pH, and temperature) or externally (light, magnetic field, and ultrasound) applied stimuli that trigger the release of their load in a safe and controlled manner, spatially and temporally. This review gives a comprehensive overview of recent research findings on the different types of stimuli-responsive nanocarriers and their application in cancer treatment with a particular focus on ultrasound.
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Affiliation(s)
- Nahid
S. Awad
- Department
of Chemical Engineering, American University
of Sharjah, Sharjah, United Arab Emirates
| | - Vinod Paul
- Department
of Chemical Engineering, American University
of Sharjah, Sharjah, United Arab Emirates
| | - Nour M. AlSawaftah
- Department
of Chemical Engineering, American University
of Sharjah, Sharjah, United Arab Emirates
| | - Gail ter Haar
- Joint
Department of Physics, The Institute of
Cancer Research and The Royal Marsden NHS Foundation Trust, London SM2 5NG, U.K.
| | - Theresa M. Allen
- Department
of Pharmacology, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - William G. Pitt
- Department
of Chemical Engineering, Brigham Young University, Provo, Utah 84602, United States
| | - Ghaleb A. Husseini
- Department
of Chemical Engineering, American University
of Sharjah, Sharjah, United Arab Emirates
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32
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Li F, Park TH, Sankin G, Gilchrist C, Liao D, Chan CU, Mao Z, Hoffman BD, Zhong P. Mechanically induced integrin ligation mediates intracellular calcium signaling with single pulsating cavitation bubbles. Am J Cancer Res 2021; 11:6090-6104. [PMID: 33897901 PMCID: PMC8058710 DOI: 10.7150/thno.56813] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 03/23/2021] [Indexed: 11/05/2022] Open
Abstract
Therapeutic ultrasound or shockwave has shown its great potential to stimulate neural and muscle tissue, where cavitation microbubble induced Ca2+ signaling is believed to play an important role. However, the pertinent mechanisms are unknown, especially at the single-cell level. Particularly, it is still a major challenge to get a comprehensive understanding of the effect of potential mechanosensitive molecular players on the cellular responses, including mechanosensitive ion channels, purinergic signaling and integrin ligation by extracellular matrix. Methods: Here, laser-induced cavitation microbubble was used to stimulate individual HEK293T cells either genetically knocked out or expressing Piezo1 ion channels with different normalized bubble-cell distance. Ca2+ signaling and potential membrane poration were evaluated with a real-time fluorescence imaging system. Integrin-binding microbeads were attached to the apical surface of the cells at mild cavitation conditions, where the effect of Piezo1, P2X receptors and integrin ligation on single cell intracellular Ca2+ signaling was assessed. Results: Ca2+ responses were rare at normalized cell-bubble distances that avoided membrane poration, even with overexpression of Piezo1, but could be increased in frequency to 42% of cells by attaching integrin-binding beads. We identified key molecular players in the bead-enhanced Ca2+ response: increased integrin ligation by substrate ECM triggered ATP release and activation of P2X-but not Piezo1-ion channels. The resultant Ca2+ influx caused dynamic changes in cell spread area. Conclusion: This approach to safely eliciting a Ca2+ response with cavitation microbubbles and the uncovered mechanism by which increased integrin-ligation mediates ATP release and Ca2+ signaling will inform new strategies to stimulate tissues with ultrasound and shockwaves.
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33
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Navarro-Becerra JA, Caballero-Robledo GA, Franco-Urquijo CA, Ríos A, Escalante B. Functional Activity and Endothelial-Lining Integrity of Ex Vivo Arteries Exposed to Ultrasound-Mediated Microbubble Destruction. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:2335-2348. [PMID: 32553691 DOI: 10.1016/j.ultrasmedbio.2020.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 04/28/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
Ultrasound-mediated microbubble destruction (UMMD) is a promising strategy to improve local drug delivery in specific tissues. However, acoustic cavitation can lead to harmful bioeffects in endothelial cells. We investigated the side effects of UMMD treatment on vascular function (contraction and relaxation) and endothelium integrity of ex vivo Wistar rat arteries. We used an isolated organ system to evaluate vascular responses and confocal microscopy to quantify the integrity and viability of endothelial cells. The arteries were exposed for 1-3 min to ultrasound at a 100 Hz pulse-repetition frequency, 0.5 MPa acoustic pressure, 50% duty cycle and 1%-5% v/v microbubbles. The vascular contractile response was not affected. The acetylcholine-dependent maximal relaxation response was reduced from 78% (control) to 60% after 3 min of ultrasound exposure. In arteries treated simultaneously with 1 min of ultrasound exposure and 1%, 2%, 3% or 5% microbubble concentration, vascular relaxation was reduced by 19%, 58%, 80% or 93%, respectively, compared with the control arteries. Fluorescent labeling revealed that apoptotic death, detachment of endothelial cells and reduced nitric oxide synthase phosphorylation are involved in relaxation impairment. We demonstrated that UMMD can be a safe technology if the correct ultrasound and microbubble parameters are applied. Furthermore, we found that tissue-function evaluation combined with cellular analysis can be useful to study ultrasound-microbubble-tissue interactions in the optimization of targeted endothelial drug delivery.
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Affiliation(s)
| | | | | | - Amelia Ríos
- Centro de Investigación y de Estudios Avanzados del IPN, Unidad-Monterrey, Apodaca, México
| | - Bruno Escalante
- Centro de Investigación y de Estudios Avanzados del IPN, Unidad-Monterrey, Apodaca, México; Universidad de Monterrey, San Pedro Garza García, México
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34
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Snehota M, Vachutka J, Ter Haar G, Dolezal L, Kolarova H. Therapeutic ultrasound experiments in vitro: Review of factors influencing outcomes and reproducibility. ULTRASONICS 2020; 107:106167. [PMID: 32402858 DOI: 10.1016/j.ultras.2020.106167] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 04/16/2020] [Accepted: 04/23/2020] [Indexed: 05/07/2023]
Abstract
Current in vitro sonication experiments show immense variability in experimental set-ups and methods used. As a result, there is uncertainty in the ultrasound field parameters experienced by sonicated samples, poor reproducibility of these experiments and thus reduced scientific value of the results obtained. The scope of this narrative review is to briefly describe mechanisms of action of ultrasound, list the most frequently used experimental set-ups and focus on a description of factors influencing the outcomes and reproducibility of these experiments. The factors assessed include: proper reporting of ultrasound exposure parameters, experimental geometry, coupling medium quality, influence of culture vessels, formation of standing waves, motion/rotation of the sonicated sample and the characteristics of the sample itself. In the discussion we describe pros and cons of particular exposure geometries and factors, and make a few recommendations as to how to increase the reproducibility and validity of the experiments performed.
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Affiliation(s)
- Martin Snehota
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 775 15, Czech Republic; Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 5, Olomouc 779 00, Czech Republic
| | - Jaromir Vachutka
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 775 15, Czech Republic.
| | - Gail Ter Haar
- Joint Department of Physics and Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research, London and The Royal Marsden NHS Foundation Trust, Sutton, London SM2 5PT, United Kingdom
| | - Ladislav Dolezal
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 775 15, Czech Republic
| | - Hana Kolarova
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 775 15, Czech Republic; Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 5, Olomouc 779 00, Czech Republic
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35
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Huang EPY, Li MF, Hsiao CC, Chen HY, Wu PA, Liang HL. Undersized stent graft for treatment of cephalic arch stenosis in arteriovenous hemodialysis access. Sci Rep 2020; 10:12501. [PMID: 32719414 PMCID: PMC7385169 DOI: 10.1038/s41598-020-69402-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 07/09/2020] [Indexed: 11/12/2022] Open
Abstract
Cephalic arch stenosis (CAS) is a common cause of AV dialysis access failure and is notoriously difficult to treat with conventional venoplasty. Although stent graft (SG) placement has improved patency rate, they are prone to stent failure caused by edge stenosis. We investigate the effect of SG diameter relative to cephalic vein on patency rate among hemodialysis patients with dysfunctional arteriovenous access caused by CAS. We identified 22 patients with recalcitrant cephalic arch stenosis or post-venoplasty vessel rupture and received SG placement. Patients were divided into two groups based on the stent-to-vessel diameter (S/V) ratio: undersized group, < 1; and apposed group, 1–1.2. Outcomes were assessed through follow-up angiography. S/V ratio was significant smaller in the undersized patient group (p < 0.001). Placement of undersized SG demonstrated higher primary stent (p = 0.001) and access patency rates (p = 0.021) and a reduced number of post-treatment reinterventions per access year (p = 0.021). A decreased number of lateral edge stenosis was noted in undersized SG (p = 0.005). Increased S/V ratio was significantly associated with lateral edge stenosis (OR = 5.19; p = 0.027). Undersized SG is associated with higher primary stent and access patency rate, and decreased number of post-SG interventions, and are suggested in the treatment of cephalic arch stenosis.
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Affiliation(s)
- Eric Po-Yu Huang
- Department of Radiology, Kaohsiung Veterans General Hospital, No. 386, Ta-Chung 1st Road, Kaohsiung, 813, Taiwan, ROC
| | - Ming-Feng Li
- Department of Radiology, Kaohsiung Veterans General Hospital, No. 386, Ta-Chung 1st Road, Kaohsiung, 813, Taiwan, ROC.,Department of Medical Imaging, Hualien Buddhist Tzu-Chi General Hospital, 707, Sec. 3, Chung-Yang Rd, Hualien, 970, Taiwan, ROC.,Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, No. 452, Huanqiu Road, Luzhu District, Kaohsiung City, 821, Taiwan, ROC
| | - Chia-Chi Hsiao
- Department of Radiology, Kaohsiung Veterans General Hospital, No. 386, Ta-Chung 1st Road, Kaohsiung, 813, Taiwan, ROC.,Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, No. 452, Huanqiu Road, Luzhu District, Kaohsiung City, 821, Taiwan, ROC
| | - Hsin-Yu Chen
- School of Medicine, National Yang-Ming University, No. 155, Sec. 2, Linong Street, Taipei, 112, Taiwan, ROC.,Division of Nephrology, Department of Internal Medicine, Kaohsiung Veterans General Hospital, No. 386, Ta-Chung 1st Road, Kaohsiung, 813, Taiwan, ROC
| | - Ping-An Wu
- Department of Medical Imaging, Hualien Buddhist Tzu-Chi General Hospital, 707, Sec. 3, Chung-Yang Rd, Hualien, 970, Taiwan, ROC
| | - Huei-Lung Liang
- Department of Radiology, Kaohsiung Veterans General Hospital, No. 386, Ta-Chung 1st Road, Kaohsiung, 813, Taiwan, ROC. .,Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, No. 452, Huanqiu Road, Luzhu District, Kaohsiung City, 821, Taiwan, ROC.
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36
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Presset A, Bonneau C, Kazuyoshi S, Nadal-Desbarats L, Mitsuyoshi T, Bouakaz A, Kudo N, Escoffre JM, Sasaki N. Endothelial Cells, First Target of Drug Delivery Using Microbubble-Assisted Ultrasound. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:1565-1583. [PMID: 32331799 DOI: 10.1016/j.ultrasmedbio.2020.03.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/12/2020] [Accepted: 03/13/2020] [Indexed: 06/11/2023]
Abstract
Microbubble-assisted ultrasound has emerged as a promising method for local drug delivery. Microbubbles are intravenously injected and locally activated by ultrasound, thus increasing the permeability of vascular endothelium for facilitating extravasation and drug uptake into the treated tissue. Thereby, endothelial cells are the first target of the effects of ultrasound-driven microbubbles. In this review, the in vitro and in vivo bioeffects of this method on endothelial cells are described and discussed, including aspects on the permeabilization of biologic barriers (endothelial cell plasma membranes and endothelial barriers), the restoration of their integrity, the molecular and cellular mechanisms involved in both these processes, and the resulting intracellular and intercellular consequences. Finally, the influence of the acoustic settings, microbubble parameters, treatment schedules and flow parameters on these bioeffects are also reviewed.
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Affiliation(s)
- Antoine Presset
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France
| | | | - Sasaoka Kazuyoshi
- Laboratory of Veterinary Internal Medicine, Department of Clinical Sciences; Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | | | - Takigucho Mitsuyoshi
- Laboratory of Veterinary Internal Medicine, Department of Clinical Sciences; Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Ayache Bouakaz
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France
| | - Nobuki Kudo
- Laboratory of Biological Engineering, Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
| | | | - Noboru Sasaki
- Laboratory of Veterinary Internal Medicine, Department of Clinical Sciences; Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
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Cai J, Nash WT, Okusa MD. Ultrasound for the treatment of acute kidney injury and other inflammatory conditions: a promising path toward noninvasive neuroimmune regulation. Am J Physiol Renal Physiol 2020; 319:F125-F138. [PMID: 32508112 PMCID: PMC7468827 DOI: 10.1152/ajprenal.00145.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/25/2020] [Accepted: 06/01/2020] [Indexed: 02/08/2023] Open
Abstract
Acute kidney injury (AKI) is an important clinical disorder with high prevalence, serious consequences, and limited therapeutic options. Modulation of neuroimmune interaction by nonpharmacological methods is emerging as a novel strategy for treating inflammatory diseases, including AKI. Recently, pulsed ultrasound (US) treatment was shown to protect from AKI by stimulating the cholinergic anti-inflammatory pathway. Because of the relatively simple, portable, and noninvasive nature of US procedures, US stimulation may be a valuable therapeutic option for treating inflammatory conditions. This review discusses potential impacts of US bioeffects on the nervous system and how this may generate feedback onto the immune system. We also discuss recent evidence supporting the use of US as a means to treat AKI and other inflammatory diseases.
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Affiliation(s)
- Jieru Cai
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virgnia
| | - William T Nash
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virgnia
| | - Mark D Okusa
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virgnia
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38
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Escoffre JM, Campomanes P, Tarek M, Bouakaz A. New insights on the role of ROS in the mechanisms of sonoporation-mediated gene delivery. ULTRASONICS SONOCHEMISTRY 2020; 64:104998. [PMID: 32062534 DOI: 10.1016/j.ultsonch.2020.104998] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 01/13/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
Reactive oxygen species (ROS) are hypothesized to play a role in the sonoporation mechanisms. Nevertheless, the acoustical phenomenon behind the ROS production as well as the exact mechanisms of ROS action involved in the increased cell membrane permeability are still not fully understood. Therefore, we investigated the key processes occurring at the molecular level in and around microbubbles subjected to ultrasound using computational chemistry methods. To confirm the molecular simulation predictions, we measured the ROS production by exposing SonoVue® microbubbles (MBs) to ultrasound using biological assays. To investigate the role of ROS in cell membrane permeabilization, cells were subjected to ultrasound in presence of MBs and plasmid encoding reporter gene, and the transfection level was assessed using flow cytometry. The molecular simulations showed that under sonoporation conditions, ROS can form inside the MBs. These radicals could easily diffuse through the MB shell toward the surrounding aqueous phase and participate in the permeabilization of nearby cell membranes. Experimental data confirmed that MBs favor spontaneous formation of a host of free radicals where HO was the main ROS species after US exposure. The presence of ROS scavengers/inhibitors during the sonoporation process decreased both the production of ROS and the subsequent transfection level without significant loss of cell viability. In conclusion, the exposure of MBs to ultrasound might be the origin of chemical effects, which play a role in the cell membrane permeabilization and in the in vitro gene delivery when generated in its proximity.
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Affiliation(s)
| | - Pablo Campomanes
- Laboratoire de Physique et Chimie Théoriques, UMR 7019, Université de Lorraine, CNRS, Nancy F-54000, France
| | - Mounir Tarek
- Laboratoire de Physique et Chimie Théoriques, UMR 7019, Université de Lorraine, CNRS, Nancy F-54000, France.
| | - Ayache Bouakaz
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.
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39
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Wang D, Wang C, Wang L, Chen Y. A comprehensive review in improving delivery of small-molecule chemotherapeutic agents overcoming the blood-brain/brain tumor barriers for glioblastoma treatment. Drug Deliv 2020; 26:551-565. [PMID: 31928355 PMCID: PMC6534214 DOI: 10.1080/10717544.2019.1616235] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma (GBM) is the most common and lethal primary brain tumor which is highly resistant to conventional radiotherapy and chemotherapy, and cannot be effectively controlled by surgical resection. Due to inevitable recurrence of GBM, it remains essentially incurable with a median overall survival of less than 18 months after diagnosis. A great challenge in current therapies lies in the abrogated delivery of most of the chemotherapeutic agents to the tumor location in the presence of blood-brain barrier (BBB) and blood-brain tumor barrier (BBTB). These protective barriers serve as a selectively permeable hurdle reducing the efficacy of anti-tumor drugs in GBM therapy. This work systematically gives a comprehensive review on: (i) the characteristics of the BBB and the BBTB, (ii) the influence of BBB/BBTB on drug delivery and the screening strategy of small-molecule chemotherapeutic agents with promising BBB/BBTB-permeable potential, (iii) the strategies to overcome the BBB/BBTB as well as the techniques which can lead to transient BBB/BBTB opening or disruption allowing for improving BBB/BBTB-penetration of drugs. It is hoped that this review provide practical guidance for the future development of small BBB/BBTB-permeable agents against GBM as well as approaches enhancing drug delivery across the BBB/BBTB to GBM.
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Affiliation(s)
- Da Wang
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
| | - Chao Wang
- Department of Chemistry, Yale University, New Haven, CT, USA
| | - Liang Wang
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
| | - Yue Chen
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
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40
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Tian Y, Liu Z, Tan H, Hou J, Wen X, Yang F, Cheng W. New Aspects of Ultrasound-Mediated Targeted Delivery and Therapy for Cancer. Int J Nanomedicine 2020; 15:401-418. [PMID: 32021187 PMCID: PMC6982438 DOI: 10.2147/ijn.s201208] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 12/02/2019] [Indexed: 12/11/2022] Open
Abstract
Ultrasound-mediated targeted delivery (UMTD), a novel delivery modality of therapeutic materials based on ultrasound, shows great potential in biomedical applications. By coupling ultrasound contrast agents with therapeutic materials, UMTD combines the advantages of ultrasound imaging and carrier, which benefit deep tissue penetration and high concentration aggregation. In this paper we introduced recent advances in ultrasound contrast agents and applications in tumor therapy. Ultrasound contrast agents were categorized by their functions, mainly including thermosensitive, pH-sensitive and photosensitive ultrasound contrast agents. The various applications of UMTD in tumor treatment were summarized as follows: drug therapy, transfection of anti-oncogene, RNA interference, vaccine immunotherapy, monoclonal antibody immunotherapy, adoptive cellular immunotherapy, cytokine immunotherapy, and so on. In the end, we elaborated on the current challenges and provided perspectives of UMTD for clinical applications.
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Affiliation(s)
- Yuhang Tian
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
| | - Zhao Liu
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
| | - Haoyan Tan
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
| | - Jiahui Hou
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
| | - Xin Wen
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
| | - Fan Yang
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
| | - Wen Cheng
- Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin150080, People’s Republic of China
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Guo XM, Chen JL, Zeng BH, Lai JC, Lin CY, Lai MY. Ultrasound-mediated delivery of RGD-conjugated nanobubbles loaded with fingolimod and superparamagnetic iron oxide nanoparticles: targeting hepatocellular carcinoma and enhancing magnetic resonance imaging. RSC Adv 2020; 10:39348-39358. [PMID: 35518389 PMCID: PMC9057352 DOI: 10.1039/d0ra06415g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/11/2020] [Indexed: 12/24/2022] Open
Abstract
Nanobubbles (NBs) are considered to be a new generation of ultrasound-responsive nanocarriers that can effectively target tumors, accurately release multi-drugs at desired locations, as well as simultaneously perform diagnosis and treatment. In this study, we designed theranostic NBs (FTY720@SPION/PFP/RGD-NBs) composed of RGD-modified liposomes as the shell, and perflenapent (PFP), superparamagnetic iron oxide nanoparticles (SPION), and fingolimod (2-amino-2[2-(4-octylphenyl)ethyl]-1,3-propanediol, FTY720) encapsulated as the core. The prepared FTY720@SPION/PFP/RGD-NBs were black spheres with a diameter range of 160–220 nm, eligible for enhanced permeability and retention (EPR) effects. The calculated average drug loading efficiency (LE) and encapsulation efficiency (EE) of the FTY720@SPION/PFP/RGD-NBs were 9.18 ± 0.61% and 88.26 ± 2.31%, respectively. With the promotion of low-intensity focused ultrasound (LIFU), the amount and the rate of FTY720 released from the prepared NB complex were enhanced when compared to the samples without LIFU treatment. In vitro magnetic resonance imaging (MRI) trials showed that the prepared FTY720@SPION/PFP/RGD-NBs had a high relaxation rate and MRI T2-weighted imaging (T2WI) scanning sensitivity conditions. The cell viability studies demonstrated that both HepG2 and Huh7 cells co-cultured with FTY720@SPION/PFP/RGD-NB (100 μg mL−1) + LIFU treatment had the lowest survival rate compared with the other groups at 24 h and 48 h, showing that FTY720@SPION/PFP/RGD-NB had the strongest anti-tumor efficiency among the prepared NBs. The cytotoxicity study also demonstrated that the prepared NBs had low toxicity to normal fibroblast 3T3 cells. Cellular uptake studies further indicated that both LIFU treatment and RGD modification could effectively improve the tumor-targeted effects, thereby enhancing the antitumor efficacy. The qRT-PCR results indicated that LIFU-mediated FTY720@SPION/PFP/RGD-NB could significantly cause the activation of Caspase3, Caspase9 and p53 compared to the control group, inducing HepG2 apoptosis. These results together indicated that FTY720@SPION/PFP/RGD-NBs combined with LIFU may serve as a multifunctional drug delivery platform for hepatocellular carcinoma treatment and provide a new strategy for tumor visualization by MRI. Nanobubbles (NBs) are considered to be a new generation of ultrasound-responsive nanocarriers that can effectively target tumors, accurately release multi-drugs at desired locations, as well as simultaneously perform diagnosis and treatment.![]()
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Affiliation(s)
- Xin-Min Guo
- Department of Ultrasound
- Guangzhou Red Cross Hospital
- Medical College
- Jinan University
- Guangzhou
| | - Jia-Lin Chen
- Department of Ultrasound
- Guangzhou Red Cross Hospital
- Medical College
- Jinan University
- Guangzhou
| | - Bao-Hui Zeng
- Department of Ultrasound
- Guangzhou Red Cross Hospital
- Medical College
- Jinan University
- Guangzhou
| | - Ji-Chuang Lai
- Department of Ultrasound
- Guangzhou Red Cross Hospital
- Medical College
- Jinan University
- Guangzhou
| | - Cui-Yan Lin
- Department of Ultrasound
- Guangzhou Red Cross Hospital
- Medical College
- Jinan University
- Guangzhou
| | - Mei-Yan Lai
- Department of Ultrasound
- Guangzhou Red Cross Hospital
- Medical College
- Jinan University
- Guangzhou
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Kilbride P, Rull MV, Townsend A, Wilson H, Morris J. Shear-thickening fluids in biologically relevant agents. Biorheology 2019; 56:39-50. [PMID: 30814341 PMCID: PMC6597967 DOI: 10.3233/bir-180196] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND The rheology of shear thickening fluids is well characterized for many physical applications, however the literature surrounding biologically or cryobiologically compatible shear thickening fluids is less well understood. OBJECTIVE This study examined fluids consisting of corn-derived hydroxyethyl starch with a variety of sugars and cryoprotectants to characterize their shear-rate viscosity relationship. The objective was to establish if cryobiologically relevant materials could be used to afford biologics protection through shear-thickening. RESULTS Fluids consisting of 50% hydroxyethyl starch by weight exhibited shear thickening with a variety of cryoprotectants. Lowering the temperature of the fluid both reduced critical shear rates and enhanced thickening magnitude. Starch derived from corn, wheat, and rice all exhibited non-Newtonian shear-dependent viscosity behaviour at 50% by weight in water. Between the starch sources however, the shear-rate viscosity relationship varied widely, with wheat-derived starch shear thinning, and the remaining starches forming shear thickening fluids. Different starch sources had different baseline viscosities, critical shear rates, and rates of viscosity increase. CONCLUSIONS This study established that shear thickening is compatible with cryobiologically relevant agents, particularly so at lower temperatures. This forms the basis for harnessing these phenomena in biological processes such as cryopreservation.
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Affiliation(s)
- Peter Kilbride
- Asymptote Ltd., General Electric Healthcare, Cambridge, UK
| | | | - Adam Townsend
- Department of Mathematics, University College London, London, UK
| | - Helen Wilson
- Department of Mathematics, University College London, London, UK
| | - John Morris
- Asymptote Ltd., General Electric Healthcare, Cambridge, UK
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Hauck M, da Silva Paulitsch F, Cruz JM, Martins CN, Oliveira MR, Puntel GO, Vargas da Silva AM, Signori LU. Intensity-dependent effect of pulsed and continuous therapeutic ultrasound on endothelial function: a randomised crossover clinical trial. INTERNATIONAL JOURNAL OF THERAPY AND REHABILITATION 2019. [DOI: 10.12968/ijtr.2018.0049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background/Aims The aim of this study was to evaluate the effects of different intensities and waveforms of therapeutic ultrasound on endothelial function in typically healthy participants. Methods A total of 15 participants were evaluated over 2 consecutive days. Different intensities of continuous and pulsed (20% duty cycle) 1-MHz ultrasound were applied to the brachial artery for 5 minutes each. Endothelial function was measured using flow-mediated dilation technique before and immediately after ultrasound was applied. Results Compared to baseline values, endothelium-dependent vasodilation increased with both continuous (2.8%) and pulsed (1.6%) ultrasound at an intensity of 0.4 W/cm2SPTA. At 1.2 W/cm2SPTA, endothelium-dependent vasodilation was 4.1% above baseline for pulsed and 5.3% above baseline for continuous waveforms. There was no additional increase in vasodilation at intensities above 1.2 W/cm2SPTA. The percentage of endothelium-dependent vasodilation was similar for the all of the different waveforms studied. Conclusions Both continuous and pulsed ultrasound waveforms promote endothelium-dependent vasodilation. There was a dose-dependent increase in vasodilation at intensities from 0.4 W/cm2SPTA to 1.2 W/cm2SPTA. Pulsed is more efficient than continuous ultrasound because it produces the same effect on endothelium-dependent vasodilation while employing 20% of the energy applied with continuous ultrasound.
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Affiliation(s)
- Melina Hauck
- Faculty of Medicine, Graduate Programme in Health Sciences, Federal University of Rio Grande, Rio Grande, Brazil
| | - Felipe da Silva Paulitsch
- Faculty of Medicine, Graduate Programme in Health Sciences, Federal University of Rio Grande, Rio Grande, Brazil
| | - Jeferson Mendez Cruz
- Faculty of Medicine, Graduate Programme in Health Sciences, Federal University of Rio Grande, Rio Grande, Brazil
| | - Cassio Noronha Martins
- Faculty of Medicine, Graduate Programme in Health Sciences, Federal University of Rio Grande, Rio Grande, Brazil
| | - Murilo Rezende Oliveira
- Physiotherapy and Rehabilitation Department, Postgraduate Programme in Functional Rehabilitation, Federal University of Santa Maria, Santa Maria, Brazil
| | - Gustavo Orione Puntel
- Physiotherapy and Rehabilitation Department, Postgraduate Programme in Functional Rehabilitation, Federal University of Santa Maria, Santa Maria, Brazil
| | - Antônio Marcos Vargas da Silva
- Physiotherapy and Rehabilitation Department, Postgraduate Programme in Functional Rehabilitation, Federal University of Santa Maria, Santa Maria, Brazil
| | - Luis Ulisses Signori
- Physiotherapy and Rehabilitation Department, Postgraduate Programme in Functional Rehabilitation, Federal University of Santa Maria, Santa Maria, Brazil
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44
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Matafonova G, Batoev V. Review on low- and high-frequency sonolytic, sonophotolytic and sonophotochemical processes for inactivating pathogenic microorganisms in aqueous media. WATER RESEARCH 2019; 166:115085. [PMID: 31539667 DOI: 10.1016/j.watres.2019.115085] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 09/05/2019] [Accepted: 09/11/2019] [Indexed: 05/28/2023]
Abstract
Ultraviolet and ultrasound-based advanced oxidation processes (AOPs) are gaining considerable research attention for water treatment and disinfection. Compared to low-frequency ultrasound (LFUS, <100 kHz), high-frequency ultrasound (HFUS, >100 kHz and MHz range) for water disinfection remains much less investigated. The present review aims at surveying and discussing literature data on microbial inactivation in non-food aqueous media using HFUS alone and with AOPs. More specifically, the review covers sonophotolytic (US/UV) processes under sequential and simultaneous modes as well as sonophotochemical processes, where both low and high frequencies were applied. Addressing a state-of-the-art biomedical research, we have attempted to provide more insight into mechanical and sonochemical mechanisms of inactivation under ultrasonic exposure. Sonoporation, intracellular generation of reactive oxygen species (ROS), energy stimulation of aquaporins to deliver ROS, and injection of extracellular ROS into sonoporated cells have all been identified as primary ways of inactivation. Application of ultrasound in the 0.2-2 MHz range and mercury-free light sources to support the Minamata Convention on Mercury is an ongoing challenge for effective elimination of microbial pathogens from water and wastewater through sonophotolytic and sonophotochemical AOPs.
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Affiliation(s)
- Galina Matafonova
- Laboratory of Engineering Ecology, Baikal Institute of Nature Management, Siberian Branch of Russian Academy of Sciences, Ulan-Ude, Russia.
| | - Valeriy Batoev
- Laboratory of Engineering Ecology, Baikal Institute of Nature Management, Siberian Branch of Russian Academy of Sciences, Ulan-Ude, Russia
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45
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Ely BR, Francisco MA, Halliwill JR, Bryan SD, Comrada LN, Larson EA, Brunt VE, Minson CT. Heat therapy reduces sympathetic activity and improves cardiovascular risk profile in women who are obese with polycystic ovary syndrome. Am J Physiol Regul Integr Comp Physiol 2019; 317:R630-R640. [PMID: 31483156 DOI: 10.1152/ajpregu.00078.2019] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Polycystic ovary syndrome (PCOS) affects up to 15% of women and is associated with increased risk of obesity and cardiovascular disease. Repeated passive heat exposure [termed "heat therapy" (HT)] is a lifestyle intervention with the potential to reduce cardiovascular risk in obesity and PCOS. Women with obesity (n = 18) with PCOS [age 27 ± 4 yr, body mass index (BMI) 41.3 ± 4.7 kg/m2] were matched for age and BMI, then assigned to HT (n = 9) or time control (CON; n = 9). HT subjects underwent 30 one-hour hot tub sessions over 8-10 wk, whereas CON subjects did not undergo HT. Muscle sympathetic nerve activity (MSNA), blood pressure, cholesterol, C-reactive protein, and markers of vascular function were assessed at the start (Pre) and end (Post) of 8-10 wk. These measures included carotid and femoral artery wall thickness and flow-mediated dilation (FMD), measured both before and after 20 min of ischemia-20 min of reperfusion (I/R) stress. HT subjects exhibited reduced MSNA burst frequency (Pre: 20 ± 8 bursts/min, Post: 13 ± 5 bursts/min, P = 0.012), systolic (Pre: 124 ± 5 mmHg, Post: 114 ± 6 mmHg; P < 0.001) and diastolic blood pressure (Pre: 77 ± 6 mmHg, Post: 68 ± 3 mmHg; P < 0.001), C-reactive protein (Pre: 19.4 ± 13.7 nmol/L, Post: 15.2 ± 12.3 nmol/L; P = 0.018), total cholesterol (Pre: 5.4 ± 1.1 mmol/L, Post: 5.0 ± 0.8 mmol/L; P = 0.028), carotid wall thickness (Pre: 0.054 ± 0.005 cm, Post: 0.044 ± 0.005 cm; P = 0.010), and femoral wall thickness (Pre: 0.056 ± 0.009 cm, Post: 0.042 ± 0.005 cm; P = 0.003). FMD significantly improved in HT subjects over time following I/R (Pre: 5.6 ± 2.5%, Post: 9.5 ± 1.7%; P < 0.001). No parameters changed over time in CON, and BMI did not change in either group. These findings indicate that HT reduces sympathetic nerve activity, provides protection from I/R stress, and substantially improves cardiovascular risk profiles in women who are obese with PCOS.
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Affiliation(s)
- Brett R Ely
- Department of Human Physiology, University of Oregon, Eugene, Oregon.,Department of Sport and Movement Science, Salem State University, Salem, Massachusetts
| | | | - John R Halliwill
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Samantha D Bryan
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Lindan N Comrada
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Emily A Larson
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Vienna E Brunt
- Department of Human Physiology, University of Oregon, Eugene, Oregon.,Department of Integrative Physiology, University of Colorado, Boulder, Colorado
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Escoffre JM, Bouakaz A. Minireview: Biophysical Mechanisms of Cell Membrane Sonopermeabilization. Knowns and Unknowns. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:10151-10165. [PMID: 30525655 DOI: 10.1021/acs.langmuir.8b03538] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Microbubble-assisted ultrasound has emerged as a promising method for the delivery of low-molecular-weight chemotherapeutic molecules, nucleic acids, therapeutic peptides, and antibodies in vitro and in vivo. Its clinical applications are under investigation for local delivery drug in oncology and neurology. However, the biophysical mechanisms supporting the acoustically mediated membrane permeabilization are not fully established. This review describes the present state of the investigations concerning the acoustically mediated stimuli (i.e., mechanical, chemical, and thermal stimuli) as well as the molecular and cellular actors (i.e., membrane pores and endocytosis) involved in the reversible membrane permeabilization process. The different hypotheses, which were proposed to give a biophysical description of the membrane permeabilization, are critically discussed.
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Affiliation(s)
- Jean-Michel Escoffre
- UMR 1253, iBrain, Université de Tours, Inserm , 10 bd Tonnellé , 37032 Tours Cedex 1, France
| | - Ayache Bouakaz
- UMR 1253, iBrain, Université de Tours, Inserm , 10 bd Tonnellé , 37032 Tours Cedex 1, France
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47
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Cowley J, McGinty S. A mathematical model of sonoporation using a liquid-crystalline shelled microbubble. ULTRASONICS 2019; 96:214-219. [PMID: 30739724 DOI: 10.1016/j.ultras.2019.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 01/17/2019] [Accepted: 01/17/2019] [Indexed: 06/09/2023]
Abstract
In recent years there has been a great deal of interest in using thin shelled microbubbles as a transportation mechanism for localised drug delivery, particularly for the treatment of various types of cancer. The technique used for such site-specific drug delivery is sonoporation. Despite there being numerous experimental studies on sonoporation, the mathematical modelling of this technique has still not been extensively researched. Presently there exists a very small body of work that models both hemispherical and spherical shelled microbubbles sonoporating due to acoustic microstreaming. Acoustic microstreaming is believed to be the dominant mechanism for sonoporation via shelled microbubbles. Rather than considering the shell of the microbubble to be composed of a thin protein, which is typical in the literature, in this paper we consider the shell to be a liquid-crystalline material. Up until now there have been no studies reported in the literature pertaining to sonoporation of a liquid-crystalline shelled microbubble. A mathematical expression is derived for the maximum wall shear stress, illustrating its dependency on the shell's various material parameters. A sensitivity analysis is performed for the wall shear stress considering the shell's thickness; its local density; the elastic constant of the liquid-crystalline material; the interfacial surface tension and; the shell's viscoelastic properties. In some cases, our results indicate that a liquid-crystalline shelled microbubble may yield a maximum wall shear stress that is two orders of magnitude greater than the stress generated by commercial shelled microbubbles that are currently in use within the scientific community. In conclusion, our preliminary analysis suggests that using liquid-crystalline shelled microbubbles may significantly enhance the efficiency of site-specific drug delivery.
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Affiliation(s)
- James Cowley
- Division of Biomedical Engineering, University of Glasgow, Glasgow G12 8QQ, UK
| | - Sean McGinty
- Division of Biomedical Engineering, University of Glasgow, Glasgow G12 8QQ, UK.
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48
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Souza RMDCE, da Silva ICS, Delgado ABT, da Silva PHV, Costa VRX. Focused ultrasound and Alzheimer's disease A systematic review. Dement Neuropsychol 2018; 12:353-359. [PMID: 30546844 PMCID: PMC6289486 DOI: 10.1590/1980-57642018dn12-040003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Alzheimer’s disease (AD) affects millions of people, however, there is still no effective treatment. The use of focused ultrasound with microbubbles (FUS-MB) for the opening of the blood-brain barrier has been recently studied and may become a promising therapeutic target.
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Affiliation(s)
- Rodrigo Marmo da Costa E Souza
- Neurosurgeon. Departamento de Psicologia, Programa de Neurociências Cognitiva e do Comportamento, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil.,Departamento de Medicina, Liga de Neurologia e Neurocirurgia Funcional da Paraíba, Cabedelo, PB, Brazil
| | - Inaê Carolline Silveira da Silva
- Medical student. Departamento de Medicina, Universidade Federal da Paraíba, João Pessoa, PB, Brazil.,Departamento de Medicina, Liga de Neurologia e Neurocirurgia Funcional da Paraíba, Cabedelo, PB, Brazil
| | - Anna Beatriz Temoteo Delgado
- Medical student. Departamento de Medicina, Faculdade de Ciências Médicas da Paraíba, Cabedelo, PB, Brazil.,Departamento de Medicina, Liga de Neurologia e Neurocirurgia Funcional da Paraíba, Cabedelo, PB, Brazil
| | - Pedro Hugo Vieira da Silva
- Medical student. Departamento de Medicina, Faculdade de Ciências Médicas da Paraíba, Cabedelo, PB, Brazil.,Departamento de Medicina, Liga de Neurologia e Neurocirurgia Funcional da Paraíba, Cabedelo, PB, Brazil
| | - Victor Ribeiro Xavier Costa
- Medical student. Departamento de Medicina, Faculdade de Ciências Médicas da Paraíba, Cabedelo, PB, Brazil.,Departamento de Medicina, Liga de Neurologia e Neurocirurgia Funcional da Paraíba, Cabedelo, PB, Brazil
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Tu J, Zhang H, Yu J, Liufu C, Chen Z. Ultrasound-mediated microbubble destruction: a new method in cancer immunotherapy. Onco Targets Ther 2018; 11:5763-5775. [PMID: 30254469 PMCID: PMC6140758 DOI: 10.2147/ott.s171019] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Immunotherapy provides a new treatment option for cancer. However, it may be therapeutically insufficient if only using the self-immune system alone to attack the tumor without any aiding methods. To overcome this drawback and improve the efficiency of therapy, new treatment methods are emerging. In recent years, ultrasound-mediated microbubble destruction (UMMD) has shown great potential in cancer immunotherapy. Using the combination of ultrasound and targeted microbubbles, molecules such as antigens or genes encoding antigens can be efficiently and specifically delivered into the tumor tissue. This review focuses on the recent progress in the application of UMMD in cancer immunotherapy.
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Affiliation(s)
- Jiawei Tu
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, People's Republic of China,
| | - Hui Zhang
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, People's Republic of China,
| | - Jinsui Yu
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, People's Republic of China,
| | - Chun Liufu
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, People's Republic of China,
| | - Zhiyi Chen
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, People's Republic of China,
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Yu J, Chen Z, Yan F. Advances in mechanism studies on ultrasonic gene delivery at cellular level. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2018; 142:1-9. [PMID: 30031881 DOI: 10.1016/j.pbiomolbio.2018.07.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/15/2018] [Accepted: 07/19/2018] [Indexed: 01/23/2023]
Abstract
Ultrasound provides a means for intracellular gene delivery, contributing to a noninvasive and spatiotemporally controllable strategy suitable for clinical applications. Many studies have been done to provide mechanisms of ultrasound-mediated gene delivery at the cellular level. This review summarizes the studies on the important aspects of the mechanisms, providing an overview of recent progress in cellular experiment of ultrasound-mediated gene delivery.
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Affiliation(s)
- Jinsui Yu
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Zhiyi Chen
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China.
| | - Fei Yan
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China.
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