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Tang J, Feng M, Wang D, Zhang L, Yang K. Recent advancement of sonogenetics: A promising noninvasive cellular manipulation by ultrasound. Genes Dis 2024; 11:101112. [PMID: 38947740 PMCID: PMC11214298 DOI: 10.1016/j.gendis.2023.101112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 07/19/2023] [Accepted: 07/24/2023] [Indexed: 07/02/2024] Open
Abstract
Recent advancements in biomedical research have underscored the importance of noninvasive cellular manipulation techniques. Sonogenetics, a method that uses genetic engineering to produce ultrasound-sensitive proteins in target cells, is gaining prominence along with optogenetics, electrogenetics, and magnetogenetics. Upon stimulation with ultrasound, these proteins trigger a cascade of cellular activities and functions. Unlike traditional ultrasound modalities, sonogenetics offers enhanced spatial selectivity, improving precision and safety in disease treatment. This technology broadens the scope of non-surgical interventions across a wide range of clinical research and therapeutic applications, including neuromodulation, oncologic treatments, stem cell therapy, and beyond. Although current literature predominantly emphasizes ultrasonic neuromodulation, this review offers a comprehensive exploration of sonogenetics. We discuss ultrasound properties, the specific ultrasound-sensitive proteins employed in sonogenetics, and the technique's potential in managing conditions such as neurological disorders, cancer, and ophthalmic diseases, and in stem cell therapies. Our objective is to stimulate fresh perspectives for further research in this promising field.
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Affiliation(s)
- Jin Tang
- Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, Chongqing 400014, China
- Department of Ultrasound, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Mingxuan Feng
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Dong Wang
- Department of Ultrasound, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Liang Zhang
- Department of Ultrasound, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Ke Yang
- Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, Chongqing 400014, China
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2
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Ishaqat A, Hahmann J, Lin C, Zhang X, He C, Rath WH, Habib P, Sahnoun SEM, Rahimi K, Vinokur R, Mottaghy FM, Göstl R, Bartneck M, Herrmann A. In Vivo Polymer Mechanochemistry with Polynucleotides. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403752. [PMID: 38804595 DOI: 10.1002/adma.202403752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/16/2024] [Indexed: 05/29/2024]
Abstract
Polymer mechanochemistry utilizes mechanical force to activate latent functionalities in macromolecules and widely relies on ultrasonication techniques. Fundamental constraints of frequency and power intensity have prohibited the application of the polymer mechanochemistry principles in a biomedical context up to now, although medical ultrasound is a clinically established modality. Here, a universal polynucleotide framework is presented that allows the binding and release of therapeutic oligonucleotides, both DNA- and RNA-based, as cargo by biocompatible medical imaging ultrasound. It is shown that the high molar mass, colloidal assembly, and a distinct mechanochemical mechanism enable the force-induced release of cargo and subsequent activation of biological function in vitro and in vivo. Thereby, this work introduces a platform for the exploration of biological questions and therapeutics development steered by mechanical force.
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Affiliation(s)
- Aman Ishaqat
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Johannes Hahmann
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
- Max Planck School Matter to Life, Jahnstr. 29, 69120, Heidelberg, Germany
| | - Cheng Lin
- Department of Medicine III, University Hospital Aachen, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
- Department of Rheumatology and Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 1630 Dongfang Road, Shanghai, 200127, China
| | - Xiaofeng Zhang
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Chuanjiang He
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Wolfgang H Rath
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Pardes Habib
- Department of Neurosurgery and Stanford Stroke Center, Stanford University School of Medicine, 1201 Welch Road, Stanford, CA, 94304, USA
| | - Sabri E M Sahnoun
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Khosrow Rahimi
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Rostislav Vinokur
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Felix M Mottaghy
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center (MUMC+), P. Debyelaan 25, Maastricht, 6229 HX, The Netherlands
| | - Robert Göstl
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
- Department of Chemistry and Biology, University of Wuppertal, Gaußstraße 20, 42119, Wuppertal, Germany
| | - Matthias Bartneck
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
- Department of Medicine III, University Hospital Aachen, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Andreas Herrmann
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
- Max Planck School Matter to Life, Jahnstr. 29, 69120, Heidelberg, Germany
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Hahmann J, Ishaqat A, Lammers T, Herrmann A. Sonogenetics for Monitoring and Modulating Biomolecular Function by Ultrasound. Angew Chem Int Ed Engl 2024; 63:e202317112. [PMID: 38197549 DOI: 10.1002/anie.202317112] [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: 11/10/2023] [Revised: 01/01/2024] [Accepted: 01/08/2024] [Indexed: 01/11/2024]
Abstract
Ultrasound technology, synergistically harnessed with genetic engineering and chemistry concepts, has started to open the gateway to the remarkable realm of sonogenetics-a pioneering paradigm for remotely orchestrating cellular functions at the molecular level. This fusion not only enables precisely targeted imaging and therapeutic interventions, but also advances our comprehension of mechanobiology to unparalleled depths. Sonogenetic tools harness mechanical force within small tissue volumes while preserving the integrity of the surrounding physiological environment, reaching depths of up to tens of centimeters with high spatiotemporal precision. These capabilities circumvent the inherent physical limitations of alternative in vivo control methods such as optogenetics and magnetogenetics. In this review, we first discuss mechanosensitive ion channels, the most commonly utilized sonogenetic mediators, in both mammalian and non-mammalian systems. Subsequently, we provide a comprehensive overview of state-of-the-art sonogenetic approaches that leverage thermal or mechanical features of ultrasonic waves. Additionally, we explore strategies centered around the design of mechanochemically reactive macromolecular systems. Furthermore, we delve into the realm of ultrasound imaging of biomolecular function, encompassing the utilization of gas vesicles and acoustic reporter genes. Finally, we shed light on limitations and challenges of sonogenetics and present a perspective on the future of this promising technology.
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Affiliation(s)
- Johannes Hahmann
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52074, Aachen, Germany
- Max Planck School Matter to Life, Jahnstr. 29, 69120, Heidelberg, Germany
| | - Aman Ishaqat
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52074, Aachen, Germany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging (ExMI), Center for Biohybrid Medical Systems (CBMS), RWTH Aachen University Clinic, Forckenbeckstr. 55, 52074, Aachen, Germany
| | - Andreas Herrmann
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52074, Aachen, Germany
- Max Planck School Matter to Life, Jahnstr. 29, 69120, Heidelberg, Germany
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Xiang C, Cheng Y, Yu X, Mao T, Luo H, Hu H, Wu Y, Sang R, Wang Z, Wang Y, Luo Q, Huang J, Zhao J, Wang J, Wang X, Chen M, Liu W, Zhou L, Wang S, Jiang H. Low-intensity focused ultrasound modulation of the paraventricular nucleus to prevent myocardial infarction-induced ventricular arrhythmia. Heart Rhythm 2024; 21:340-348. [PMID: 38042443 DOI: 10.1016/j.hrthm.2023.11.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/04/2023]
Abstract
BACKGROUND Our previous study showed that light-emitting diode modulation of the hypothalamic paraventricular nucleus (PVN), which is the control center of the sympathetic nervous system, might attenuate neuroinflammation in the PVN and prevent ventricular arrhythmias (VAs) after myocardial infarction (MI). Low-intensity focused ultrasound (LIFU) has deeper penetration than does light-emitting diode, while its effect on the PVN has not been reported. OBJECTIVE This study aimed to explore the effect of LIFU modulation of the PVN on the inducibility of post-MI VAs. METHODS Fifty-four Sprague-Dawley rats were randomly divided into acute control (n = 12, 22.22%), acute MI (AMI, n = 12, 22.22%), AMI + LIFU (n = 12, 22.22%), chronic control (n = 6, 11.11%), chronic MI (CMI, n = 6, 11.11%), and CMI + LIFU (n = 6, 11.11%) groups. MI was induced by left anterior artery ligation, and electrocardiographic recording for 0.5 hours after MI and programmed electrophysiological stimulation were used to test the vulnerability of VAs. Peripheral sympathetic neural activity was assessed by measuring left stellate ganglion neural activity. Finally, hearts and brains were extracted for Western blotting and histopathological analysis, respectively. RESULTS Compared with the AMI group, AMI-induced VAs (P < .05) and left stellate ganglion neural activity (P < .05) were significantly attenuated in the AMI + LIFU group. In addition, LIFU resulted in a significant reduction of microglial activation in the PVN and expression of inflammatory cytokines in the peri-ischemic myocardium. In the CMI + LIFU group, there was no obvious tissue damage in the brain. CONCLUSION LIFU modulation of the PVN may prevent the incidence of post-MI VAs by attenuating MI-induced sympathetic neural activation and inflammatory response.
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Affiliation(s)
- Chunrong Xiang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Ye Cheng
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Xiaomei Yu
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Tianlong Mao
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Hao Luo
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Haoyuan Hu
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yuzhe Wu
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Ruiqi Sang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Zhuo Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yujie Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Qinyu Luo
- The Key Laboratory of Reproductive Genetics (Zhejiang University), Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingyu Huang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jiahui Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jiale Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Xinqi Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Mingxian Chen
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wei Liu
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Liping Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Songyun Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China.
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University; Cardiac Autonomic Nervous System Research Center of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan, China.
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Wang HC, Phan TN, Kao CL, Yeh CK, Lin YC. Genetically encoded mediators for sonogenetics and their applications in neuromodulation. Front Cell Neurosci 2023; 17:1326279. [PMID: 38188668 PMCID: PMC10766825 DOI: 10.3389/fncel.2023.1326279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/05/2023] [Indexed: 01/09/2024] Open
Abstract
Sonogenetics is an emerging approach that harnesses ultrasound for the manipulation of genetically modified cells. The great penetrability of ultrasound waves enables the non-invasive application of external stimuli to deep tissues, particularly advantageous for brain stimulation. Genetically encoded ultrasound mediators, a set of proteins that respond to ultrasound-induced bio-effects, play a critical role in determining the effectiveness and applications of sonogenetics. In this context, we will provide an overview of these ultrasound-responsive mediators, delve into the molecular mechanisms governing their response to ultrasound stimulation, and summarize their applications in neuromodulation.
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Affiliation(s)
- Hsien-Chu Wang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Thi-Nhan Phan
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Chi-Ling Kao
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Chih-Kuang Yeh
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Yu-Chun Lin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
- Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan
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Guo H, Salahshoor H, Wu D, Yoo S, Sato T, Tsao DY, Shapiro MG. Effects of focused ultrasound in a "clean" mouse model of ultrasonic neuromodulation. iScience 2023; 26:108372. [PMID: 38047084 PMCID: PMC10690554 DOI: 10.1016/j.isci.2023.108372] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 10/05/2023] [Accepted: 10/26/2023] [Indexed: 12/05/2023] Open
Abstract
Recent studies on ultrasonic neuromodulation (UNM) in rodents have shown that focused ultrasound (FUS) can activate peripheral auditory pathways, leading to off-target and brain-wide excitation, which obscures the direct activation of the target area by FUS. To address this issue, we developed a new mouse model, the double transgenic Pou4f3+/DTR × Thy1-GCaMP6s, which allows for inducible deafening using diphtheria toxin and minimizes off-target effects of UNM while allowing effects on neural activity to be visualized with fluorescent calcium imaging. Using this model, we found that the auditory confounds caused by FUS can be significantly reduced or eliminated within a certain pressure range. At higher pressures, FUS can result in focal fluorescence dips at the target, elicit non-auditory sensory confounds, and damage tissue, leading to spreading depolarization. Under the acoustic conditions we tested, we did not observe direct calcium responses in the mouse cortex. Our findings provide a cleaner animal model for UNM and sonogenetics research, establish a parameter range within which off-target effects are confidently avoided, and reveal the non-auditory side effects of higher-pressure stimulation.
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Affiliation(s)
- Hongsun Guo
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Hossein Salahshoor
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
- Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA 91125, USA
| | - Di Wu
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Sangjin Yoo
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Tomokazu Sato
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Doris Y. Tsao
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
- Howard Hughes Medical Institute, Pasadena, CA 91125, USA
| | - Mikhail G. Shapiro
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
- Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA 91125, USA
- Howard Hughes Medical Institute, Pasadena, CA 91125, USA
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Guo H, Salahshoor H, Wu D, Yoo S, Sato T, Tsao DY, Shapiro MG. Effects of focused ultrasound in a "clean" mouse model of ultrasonic neuromodulation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.22.541780. [PMID: 37293117 PMCID: PMC10245917 DOI: 10.1101/2023.05.22.541780] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Recent studies on ultrasonic neuromodulation (UNM) in rodents have shown that focused ultrasound (FUS) can activate peripheral auditory pathways, leading to off-target and brain-wide excitation, which obscures the direct activation of the target area by FUS. To address this issue, we developed a new mouse model, the double transgenic Pou4f3+/DTR × Thy1-GCaMP6s, which allows for inducible deafening using diphtheria toxin and minimizes off-target effects of UNM while allowing effects on neural activity to be visualized with fluorescent calcium imaging. Using this model, we found that the auditory confounds caused by FUS can be significantly reduced or eliminated within a certain pressure range. At higher pressures, FUS can result in focal fluorescence dips at the target, elicit non-auditory sensory confounds, and damage tissue, leading to spreading depolarization. Under the acoustic conditions we tested, we did not observe direct calcium responses in the mouse cortex. Our findings provide a cleaner animal model for UNM and sonogenetics research, establish a parameter range within which off-target effects are confidently avoided, and reveal the non-auditory side effects of higher-pressure stimulation.
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8
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Fan CH, Tsai HC, Tsai YS, Wang HC, Lin YC, Chiang PH, Wu N, Chou MH, Ho YJ, Lin ZH, Yeh CK. Selective Activation of Cells by Piezoelectric Molybdenum Disulfide Nanosheets with Focused Ultrasound. ACS NANO 2023; 17:9140-9154. [PMID: 37163347 DOI: 10.1021/acsnano.2c12438] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
An accurate method for neural stimulation within the brain could be very useful for treating brain circuit dysfunctions and neurological disorders. With the aim of developing such a method, this study investigated the use of piezoelectric molybdenum disulfide nanosheets (MoS2 NS) to remotely convert ultrasound energy into localized electrical stimulation in vitro and in vivo. The application of ultrasound to cells surrounding MoS2 NS required only a single pulse of 2 MHz ultrasound (400 kPa, 1,000,000 cycles, and 500 ms pulse duration) to elicit significant responses in 37.9 ± 7.4% of cells in terms of fluxes of calcium ions without detectable cellular damage. The proportion of responsive cells was mainly influenced by the acoustic pressure, number of ultrasound cycles, and concentration of MoS2 NS. Tests using appropriate blockers revealed that voltage-gated membrane channels were activated. In vivo data suggested that, with ultrasound stimulation, neurons closest to the MoS2 NS were 3-fold more likely to present c-Fos expression than cells far from the NS. The successful activation of neurons surrounding MoS2 NS suggests that this represents a method with high spatial precision for selectively modulating one or several targeted brain circuits.
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Affiliation(s)
- Ching-Hsiang Fan
- Department of Biomedical Engineering, National Cheng Kung University, Tainan City 701401, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan City 701401, Taiwan
| | - Hong-Chieh Tsai
- Division of Neurosurgery, Linkou Chang Gung Memorial Hospital, Taoyuan City 333423, Taiwan
- School of Traditional Chinese Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Yi-Sheng Tsai
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu City 300044, Taiwan
| | - Hsien-Chu Wang
- Department of Medical Science, Institute of Molecular Medicine, National Tsing Hua University, Hsinchu City 300044, Taiwan
| | - Yu-Chun Lin
- Department of Medical Science, Institute of Molecular Medicine, National Tsing Hua University, Hsinchu City 300044, Taiwan
| | - Po-Han Chiang
- Institute of Biomedical Engineering, National Yang Ming Chiao Tung University, Hsinchu City 30010, Taiwan
| | - Nan Wu
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu City 300044, Taiwan
| | - Min-Hwa Chou
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu City 300044, Taiwan
| | - Yi-Ju Ho
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu City 30010, Taiwan
| | - Zong-Hong Lin
- Department of Biomedical Engineering, National Taiwan University, Taipei City 10617, Taiwan
| | - Chih-Kuang Yeh
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu City 300044, Taiwan
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Nucleic acid drug vectors for diagnosis and treatment of brain diseases. Signal Transduct Target Ther 2023; 8:39. [PMID: 36650130 PMCID: PMC9844208 DOI: 10.1038/s41392-022-01298-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/08/2022] [Accepted: 12/21/2022] [Indexed: 01/18/2023] Open
Abstract
Nucleic acid drugs have the advantages of rich target selection, simple in design, good and enduring effect. They have been demonstrated to have irreplaceable superiority in brain disease treatment, while vectors are a decisive factor in therapeutic efficacy. Strict physiological barriers, such as degradation and clearance in circulation, blood-brain barrier, cellular uptake, endosome/lysosome barriers, release, obstruct the delivery of nucleic acid drugs to the brain by the vectors. Nucleic acid drugs against a single target are inefficient in treating brain diseases of complex pathogenesis. Differences between individual patients lead to severe uncertainties in brain disease treatment with nucleic acid drugs. In this Review, we briefly summarize the classification of nucleic acid drugs. Next, we discuss physiological barriers during drug delivery and universal coping strategies and introduce the application methods of these universal strategies to nucleic acid drug vectors. Subsequently, we explore nucleic acid drug-based multidrug regimens for the combination treatment of brain diseases and the construction of the corresponding vectors. In the following, we address the feasibility of patient stratification and personalized therapy through diagnostic information from medical imaging and the manner of introducing contrast agents into vectors. Finally, we take a perspective on the future feasibility and remaining challenges of vector-based integrated diagnosis and gene therapy for brain diseases.
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Wen X, Wang Y, Zhu Z, Guo S, Qian J, Zhu J, Yang Z, Qiu W, Li G, Huang L, Jiang M, Tan L, Zheng H, Shu Q, Li Y. Mechanosensitive channel MscL induces non-apoptotic cell death and its suppression of tumor growth by ultrasound. Front Chem 2023; 11:1130563. [PMID: 36936526 PMCID: PMC10014542 DOI: 10.3389/fchem.2023.1130563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/20/2023] [Indexed: 03/05/2023] Open
Abstract
Mechanosensitive channel of large conductance (MscL) is the most thoroughly studied mechanosensitive channel in prokaryotes. Owing to its small molecular weight, clear mechanical gating mechanism, and nanopore forming ability upon opening, accumulating studies are implemented in regulating cell function by activating mechanosensitive channel of large conductance in mammalian cells. This study aimed to investigate the potentials of mechanosensitive channel of large conductance as a nanomedicine and a mechano-inducer in non-small cell lung cancer (NSCLC) A549 cells from the view of molecular pathways and acoustics. The stable cytoplasmic vacuolization model about NSCLC A549 cells was established via the targeted expression of modified mechanosensitive channel of large conductance channels in different subcellular organelles. Subsequent morphological changes in cellular component and expression levels of cell death markers are analyzed by confocal imaging and western blots. The permeability of mitochondrial inner membrane (MIM) exhibited a vital role in cytoplasmic vacuolization formation. Furthermore, mechanosensitive channel of large conductance channel can be activated by low intensity focused ultrasound (LIFU) in A549 cells, and the suppression of A549 tumors in vivo was achieved by LIFU with sound pressure as low as 0.053 MPa. These findings provide insights into the mechanisms underlying non-apoptotic cell death, and validate the nanochannel-based non-invasive ultrasonic strategy for cancer therapy.
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Affiliation(s)
- Xiaoxu Wen
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yingying Wang
- Department of Biophysics, Institute of Neuroscience, NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhenya Zhu
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuangshuang Guo
- Department of Biophysics and Kidney Disease Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Junjie Qian
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinjun Zhu
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhenni Yang
- Department of Biophysics, Department of Neurology of the Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weibao Qiu
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Shenzhen Key Laboratory of Ultrasound Imaging and Therapy, Shenzhen, China
| | - Guofeng Li
- School of Biomedical Engineering, Guangdong Medical University, Songshan Lake Science and Technology Park, Dongguan, China
| | - Li Huang
- School of Biomedical Engineering, Guangdong Medical University, Songshan Lake Science and Technology Park, Dongguan, China
| | - Mizu Jiang
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Linhua Tan
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hairong Zheng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Shenzhen Key Laboratory of Ultrasound Imaging and Therapy, Shenzhen, China
| | - Qiang Shu
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Correspondence: Qiang Shu, ; Yuezhou Li,
| | - Yuezhou Li
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Correspondence: Qiang Shu, ; Yuezhou Li,
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11
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Du M, Li Y, Zhang Q, Zhang J, Ouyang S, Chen Z. The impact of low intensity ultrasound on cells: Underlying mechanisms and current status. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2022; 174:41-49. [PMID: 35764177 DOI: 10.1016/j.pbiomolbio.2022.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 06/10/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Low intensity ultrasound (LIUS) has been adopted for a variety of therapeutic purposes because of its bioeffects such as thermal, mechanical, and cavitation effects. The mechanism of impact and cellular responses of LIUS in cellular regulations have been revealed, which helps to understand the role of LIUS in tumor treatment, stem cell therapy, and nervous system regulation. The review summarizes the bioeffects of LIUS at the cellular level and its related mechanisms, detailing the corresponding theoretical basis and latest research in the study of LIUS in the regulation of cells. In the future, the design of specific LIUS-mediated treatment strategies may benefit from promising investigations which is hoped to provide encouraging therapeutic data.
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Affiliation(s)
- Meng Du
- The First Affiliated Hospital, Medical Imaging Centre, Hengyang Medical School, University of South China, Hengyang, Hunan, China; Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China
| | - Yue Li
- The First Affiliated Hospital, Medical Imaging Centre, Hengyang Medical School, University of South China, Hengyang, Hunan, China; Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China; Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qing Zhang
- Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China; The Seventh Affiliated Hospital, Hunan Veterans Administration Hospital, Hengyang Medical School, University of South China, Changsha, Hunan, China
| | - Jiaming Zhang
- The First Affiliated Hospital, Center for Reproductive Medicine, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Shuming Ouyang
- The First Affiliated Hospital, Center for Reproductive Medicine, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Zhiyi Chen
- The First Affiliated Hospital, Medical Imaging Centre, Hengyang Medical School, University of South China, Hengyang, Hunan, China; Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China; The Seventh Affiliated Hospital, Hunan Veterans Administration Hospital, Hengyang Medical School, University of South China, Changsha, Hunan, China.
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12
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Liu T, Choi MH, Zhu J, Zhu T, Yang J, Li N, Chen Z, Xian Q, Hou X, He D, Guo J, Fei C, Sun L, Qiu Z. Sonogenetics: Recent advances and future directions. Brain Stimul 2022; 15:1308-1317. [PMID: 36130679 DOI: 10.1016/j.brs.2022.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 08/15/2022] [Accepted: 09/06/2022] [Indexed: 11/17/2022] Open
Abstract
Sonogenetics refers to the use of genetically encoded, ultrasound-responsive mediators for noninvasive and selective control of neural activity. It is a promising tool for studying neural circuits. However, due to its infancy, basic studies and developments are still underway, including gauging key in vivo performance metrics such as spatiotemporal resolution, selectivity, specificity, and safety. In this paper, we summarize recent findings on sonogenetics to highlight technical hurdles that have been cleared, challenges that remain, and future directions for optimization.
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Affiliation(s)
- Tianyi Liu
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China
| | - Mi Hyun Choi
- Department of Bioengineering, Stanford University, CA, USA
| | - Jiejun Zhu
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China
| | - Tingting Zhu
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China
| | - Jin Yang
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China
| | - Na Li
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China; School of Microelectronics, Xidian University, Xi'an, China
| | - Zihao Chen
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China; School of Microelectronics, Xidian University, Xi'an, China
| | - Quanxiang Xian
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Xuandi Hou
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Dongmin He
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China
| | - Jinghui Guo
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China; Department of Physiology, Faculty of Medicine, Jinan University, Guangzhou, China
| | - Chunlong Fei
- School of Microelectronics, Xidian University, Xi'an, China
| | - Lei Sun
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China.
| | - Zhihai Qiu
- Guangdong Institute of Intelligence Science and Technology, Hengqin, Zhuhai, Guangdong, 519031, China.
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13
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Pouliopoulos AN, Murillo MF, Noel RL, Batts AJ, Ji R, Kwon N, Yu H, Tong CK, Gelinas JN, Araghy DK, Hussaini SA, Konofagou EE. Non-invasive optogenetics with ultrasound-mediated gene delivery and red-light excitation. Brain Stimul 2022; 15:927-941. [PMID: 35718324 PMCID: PMC9379392 DOI: 10.1016/j.brs.2022.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/30/2022] [Accepted: 06/11/2022] [Indexed: 12/03/2022] Open
Abstract
Optogenetics has revolutionized the capability of controlling genetically modified neurons in vitro and in vivo and has become an indispensable neuroscience tool. Using light as a probe for selective neuronal activation or inhibition and as a means to read out neural activity has dramatically enhanced our understanding of complex neural circuits. However, a common limitation of optogenetic studies to date is their invasiveness and spatiotemporal range. Direct viral injections into the brain tissue along with implantation of optical fibers and recording electrodes can disrupt the neuronal circuitry and cause significant damage. Conventional approaches are spatially limited around the site of the direct injection and insufficient in examining large networks throughout the brain. Lastly, optogenetics is currently not easily scalable to large animals or humans. Here, we demonstrate that optogenetic excitation can be achieved entirely non-invasively through the intact skull in mice. Using a needle-free combination of focused ultrasound-mediated viral delivery and extracorporeal illumination with red light, we achieved selective neuronal activation at depths up to 4 mm in the murine brain, confirmed through cFos expression and electrophysiology measurements within the treated areas. Ultrasound treatment significantly reduced freezing time during recall in fear conditioning experiments, but remote light exposure had a moderate effect on the freezing behavior of mice treated with viral vectors. The proposed method has the potential to open new avenues of studying, but also stimulating, neuronal networks, in an effort to elucidate normal or dysfunctional brain activity and treat neurological diseases. Finally, the same non-invasive methodology could be combined with gene therapy and applied to other organs, such as the eye and the heart.
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Affiliation(s)
| | - Maria F Murillo
- Department of Biomedical Engineering, Columbia University, New York City, NY, USA
| | - Rebecca Lynn Noel
- Department of Biomedical Engineering, Columbia University, New York City, NY, USA
| | - Alec J Batts
- Department of Biomedical Engineering, Columbia University, New York City, NY, USA
| | - Robin Ji
- Department of Biomedical Engineering, Columbia University, New York City, NY, USA
| | - Nancy Kwon
- Department of Biomedical Engineering, Columbia University, New York City, NY, USA
| | - Han Yu
- Department of Electrical Engineering, Columbia University, New York City, NY, USA
| | - Chi-Kun Tong
- Department of Physiology and Cellular Biophysics, Columbia University, New York City, NY, USA
| | | | | | - S Abid Hussaini
- Department of Pathology and Cell Biology, Columbia University, New York City, NY, USA
| | - Elisa E Konofagou
- Department of Biomedical Engineering, Columbia University, New York City, NY, USA; Department of Radiology, Columbia University, New York City, NY, USA.
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14
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Provansal M, Marazova K, Sahel JA, Picaud S. Vision Restoration by Optogenetic Therapy and Developments Toward Sonogenetic Therapy. Transl Vis Sci Technol 2022; 11:18. [PMID: 35024784 PMCID: PMC8762673 DOI: 10.1167/tvst.11.1.18] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 12/22/2021] [Indexed: 11/24/2022] Open
Abstract
After revolutionizing neuroscience, optogenetic therapy has entered successfully in clinical trials for restoring vision to blind people with degenerative eye diseases, such as retinitis pigmentosa. These clinical trials still have to evaluate the visual acuity achieved by patients and to determine if it reaches its theoretical limit extrapolated from ex vivo experiments. Different strategies are developed in parallel to reduce required light levels and improve information processing by targeting various cell types. For patients with vision loss due to optic atrophy, as in the case of glaucoma, optogenetic cortical stimulation is hampered by light absorption and scattering by the brain tissue. By contrast, ultrasound waves can diffuse widely through the dura mater and the brain tissue as indicated by ultrasound imaging. Based on our recent results in rodents, we propose the sonogenetic therapy relying on activation of the mechanosensitive channel as a very promising vision restoration strategy with a suitable spatiotemporal resolution. Genomic approaches may thus provide efficient brain machine interfaces for sight restoration.
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Affiliation(s)
| | - Katia Marazova
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, Paris, France
| | - José Alain Sahel
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, Paris, France
- Department of Ophthalmology, The University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Centre Hospitalier National d'Ophtalmologie des XV-XX, Paris, France
| | - Serge Picaud
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, Paris, France
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15
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Olfactory stimulation Inhibits Nociceptive Signal Processing at the Input Stage of the Central Trigeminal System. Neuroscience 2021; 479:35-47. [PMID: 34695536 DOI: 10.1016/j.neuroscience.2021.10.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/08/2021] [Accepted: 10/15/2021] [Indexed: 01/06/2023]
Abstract
The spinal trigeminal nucleus caudalis (SpVc) in the mammalian brainstem serves a pivotal function in pain processing. As the main relay center for nociceptive signals, SpVc conducts pain-related signals from various regions of the head toward higher levels of central processing such as the thalamus. SpVc also receives modulatory signals from other brain areas, which can alleviate the perception of headache. We studied the impact of olfactory co-stimulation on pain-related behavior and SpVc neural activity in mice. Using the TRPA1 agonist allyl isothiocyanate (AITC) as noxious stimulus, we quantified the aversive response and the perceived pain intensity by evaluating explorative running and the mouse grimace scale, respectively. We found that the floral odorants phenylethyl alcohol (PEA) and lavender oil mitigated the aversive response to AITC. Consistent with this finding, a newly developed, automated quantification of c-Fos expression in SpVc revealed that co-stimulation with PEA or lavender profoundly reduced network activity in the presence of AITC. These results demonstrated a substantial analgesic potential of odor stimulation in the trigeminal system and provide an explanation for the palliative effect of odors in the treatment of headache.
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16
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Fan CH, Wei KC, Chiu NH, Liao EC, Wang HC, Wu RY, Ho YJ, Chan HL, Wang TSA, Huang YZ, Hsieh TH, Lin CH, Lin YC, Yeh CK. Sonogenetic-Based Neuromodulation for the Amelioration of Parkinson's Disease. NANO LETTERS 2021; 21:5967-5976. [PMID: 34264082 DOI: 10.1021/acs.nanolett.1c00886] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Sonogenetics is a promising strategy allowing the noninvasive and selective activation of targeted neurons in deep brain regions; nevertheless, its therapeutic outcome for neurodegeneration diseases that need long-term treatment remains to be verified. We previously enhanced the ultrasound (US) sensitivity of targeted cells by genetic modification with an engineered auditory-sensing protein, mPrestin (N7T, N308S). In this study, we expressed mPrestin in the dopaminergic neurons of the substantia nigra in Parkinson's disease (PD) mice and used 0.5 MHz US for repeated and localized brain stimulation. The mPrestin expression in dopaminergic neurons persisted for at least 56 days after a single shot of adeno-associated virus, suggesting that the period of expression was long enough for US treatment in mice. Compared to untreated mice, US stimulation ameliorated the dopaminergic neurodegeneration 10-fold and mitigated the PD symptoms of the mice 4-fold, suggesting that this sonogenetic strategy has the clinical potential to treat neurodegenerative diseases.
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Affiliation(s)
| | - Kuo-Chen Wei
- New Taipei Municipal TuCheng Hospital, New Taipei City 236017, Taiwan
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, and Chang Gung University, Taoyuan 33305, Taiwan
| | | | | | | | - Ruo-Yu Wu
- Department of Chemistry, National Taiwan University, Taipei 106319, Taiwan
| | | | | | | | | | | | - Chin-Hsien Lin
- Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei 106319, Taiwan
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17
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Sun H, Hu H, Liu C, Sun N, Duan C. Methods used for the measurement of blood-brain barrier integrity. Metab Brain Dis 2021; 36:723-735. [PMID: 33635479 DOI: 10.1007/s11011-021-00694-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 02/11/2021] [Indexed: 01/12/2023]
Abstract
The blood-brain barrier (BBB) comprises the interface between blood, brain and cerebrospinal fluid. Its primary function, which is mainly carried out by tight junctions, is to stabilize the tightly controlled microenvironment of the brain. To study the development and maintenance of the BBB, as well as various roles their intrinsic mechanisms that play in neurological disorders, suitable measurements are required to demonstrate integrity and functional changes at the interfaces between the blood and brain tissue. Markers and plasma proteins with different molecular weight (MW) are used to measure the permeability of BBB. In addition, the expression changes of tight-junction proteins form the basic structure of BBB, and imaging modalities are available to study the disruption of BBB. In the present review, above mentioned methods are depicted in details, together with the pros and cons as well as the differences between these methods, which maybe benefit research studies focused on the detection of BBB breakdown.
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Affiliation(s)
- Huixin Sun
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
- Department of Clinical Laboratory, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China
| | - Huiling Hu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
- Department of Clinical Laboratory, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China
| | - Chuanjie Liu
- Weihai City Key Laboratory of Autoimmunity, Weihai Central Hospital, Weihai, 264400, Shandong Province, China
| | - Nannan Sun
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China.
| | - Chaohui Duan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China.
- Department of Clinical Laboratory, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
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18
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Li X, Xiong H, Rommelfanger N, Xu X, Youn J, Slesinger PA, Hong G, Qin Z. Nanotransducers for Wireless Neuromodulation. MATTER 2021; 4:1484-1510. [PMID: 33997768 PMCID: PMC8117115 DOI: 10.1016/j.matt.2021.02.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Understanding the signal transmission and processing within the central nervous system (CNS) is a grand challenge in neuroscience. The past decade has witnessed significant advances in the development of new tools to address this challenge. Development of these new tools draws diverse expertise from genetics, materials science, electrical engineering, photonics and other disciplines. Among these tools, nanomaterials have emerged as a unique class of neural interfaces due to their small size, remote coupling and conversion of different energy modalities, various delivery methods, and mitigated chronic immune responses. In this review, we will discuss recent advances in nanotransducers to modulate and interface with the neural system without physical wires. Nanotransducers work collectively to modulate brain activity through optogenetic, mechanical, thermal, electrical and chemical modalities. We will compare important parameters among these techniques including the invasiveness, spatiotemporal precision, cell-type specificity, brain penetration, and translation to large animals and humans. Important areas for future research include a better understanding of the nanomaterials-brain interface, integration of sensing capability for bidirectional closed-loop neuromodulation, and genetically engineered functional materials for cell-type specific neuromodulation.
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Affiliation(s)
- Xiuying Li
- Department of Mechanical Engineering, The University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Hejian Xiong
- Department of Mechanical Engineering, The University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Nicholas Rommelfanger
- Department of Applied Physics, Stanford University, Stanford, CA 94305, USA
- Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA 94305, USA
| | - Xueqi Xu
- Department of Mechanical Engineering, The University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Jonghae Youn
- Department of Mechanical Engineering, The University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Paul A. Slesinger
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY,10029, USA
| | - Guosong Hong
- Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA 94305, USA
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
| | - Zhenpeng Qin
- Department of Mechanical Engineering, The University of Texas at Dallas, Richardson, TX, 75080, USA
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX, 75080, USA
- Department of Surgery, The University of Texas at Southwestern Medical Center, Dallas, TX, 75080, USA
- The Center for Advanced Pain Studies, The University of Texas at Southwestern Medical Center, Dallas, TX, 75080, USA
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19
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Huang YS, Fan CH, Yang WT, Yeh CK, Lin YC. Sonogenetic Modulation of Cellular Activities in Mammalian Cells. Methods Mol Biol 2021; 2312:109-124. [PMID: 34228287 DOI: 10.1007/978-1-0716-1441-9_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2024]
Abstract
Ultrasound is acoustic waves that can penetrate deeply into tissue in a focused manner with limited adverse effects on cells. As such, ultrasound has been widely used for clinical diagnosis for several decades. Ultrasound induces bioeffects in tissues, providing potential value in therapeutic applications. However, the intrinsic millimeter scale of the ultrasound focal zone represents a challenge with respect to minimizing the illuminated regions to perturb target cells in a precise manner. To control a specific cell population or even single cells, sonogenetic tools that combine ultrasound and genetic methods have been recently developed. With these approaches, several ultrasound-responsive proteins are heterologously introduced into target cells, which enhances the cells' ability to respond to ultrasound stimulation. With optimization of the ultrasound parameters, these tools can specifically manipulate activities in genetically defined cells but not in unmodified cells present in the ultrasound-illuminated regions. These approaches provide new strategies for noninvasive modulation of target cells in various therapeutic applications.
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Affiliation(s)
- Yao-Shen Huang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Ching-Hsiang Fan
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Wei-Ting Yang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Chih-Kuang Yeh
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
| | - Yu-Chun Lin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan.
- Department of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan.
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20
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Recent Advances on Ultrasound Contrast Agents for Blood-Brain Barrier Opening with Focused Ultrasound. Pharmaceutics 2020; 12:pharmaceutics12111125. [PMID: 33233374 PMCID: PMC7700476 DOI: 10.3390/pharmaceutics12111125] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/14/2022] Open
Abstract
The blood-brain barrier is the primary obstacle to efficient intracerebral drug delivery. Focused ultrasound, in conjunction with microbubbles, is a targeted and non-invasive way to disrupt the blood-brain barrier. Many commercially available ultrasound contrast agents and agents specifically designed for therapeutic purposes have been investigated in ultrasound-mediated blood-brain barrier opening studies. The new generation of sono-sensitive agents, such as liquid-core droplets, can also potentially disrupt the blood-brain barrier after their ultrasound-induced vaporization. In this review, we describe the different compositions of agents used for ultrasound-mediated blood-brain barrier opening in recent studies, and we discuss the challenges of the past five years related to the optimal formulation of agents.
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21
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Yang XF, Wang HY, Lu WL, Ma W, Zhang H, Li FR. Direct reprogramming of hepatocytes into insulin-producing cells for anti-diabetic treatment by ultrasound-targeted microbubble destruction enhanced hydrodynamic gene delivery. Am J Transl Res 2020; 12:7275-7286. [PMID: 33312366 PMCID: PMC7724341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 10/10/2020] [Indexed: 06/12/2023]
Abstract
In animal models, hepatocytes can be reprogrammed into insulin-producing cells (IPCs) for a novel antidiabetic treatment. However, the potential for an immunologic reaction and issues with gene integration of the viral vehicle hamper system efficacy. Here, we adopted an Ultrasound Targeted Microbubble Destruction (UTMD) enhanced hydrodynamic gene delivery system in a streptozotocin induced mouse diabetic model to examine its treatment effect. After transfection by combining UTMD and hydrodynamic injection, accumulated luciferase signal was only found in the liver with optimal signal intensity. Liver function tests showed an increase in alanine aminotransferase level followed by a decrease to normal levels. Then this new gene delivery system was used to deliver Pdx1, Neurog3, and MafA plasmids into diabetic mice. We found that glucose levels gradually decreased, and insulin levels increased in transfected diabetic mice compared to controls. Glucose intolerance in transfected mice was alleviated. Gene expression assay confirmed the reprogramming of hepatocytes. We demonstrated the feasibility of repeated plasmid transfection in vivo by UTMD enhanced hydrodynamic gene delivery system.
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Affiliation(s)
- Xiao-Fei Yang
- Translational Medicine Collaborative Innovation Center, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)Shenzhen 518020, Guangdong, China
- Shenzhen Key Laboratory of Stem Cell Research and Clinical TransformationShenzhen 518020, China
| | - Han-Yue Wang
- Translational Medicine Collaborative Innovation Center, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)Shenzhen 518020, Guangdong, China
- Shenzhen Key Laboratory of Stem Cell Research and Clinical TransformationShenzhen 518020, China
- School of Medicine, Ji’nan UniversityGuangzhou 510632, China
| | - Wei-Lin Lu
- Translational Medicine Collaborative Innovation Center, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)Shenzhen 518020, Guangdong, China
- Shenzhen Key Laboratory of Stem Cell Research and Clinical TransformationShenzhen 518020, China
| | - Wei Ma
- Translational Medicine Collaborative Innovation Center, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)Shenzhen 518020, Guangdong, China
- Shenzhen Key Laboratory of Stem Cell Research and Clinical TransformationShenzhen 518020, China
| | - Hai Zhang
- Department of Ultrasound, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)Shenzhen 518020, Guangdong, China
| | - Fu-Rong Li
- Translational Medicine Collaborative Innovation Center, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)Shenzhen 518020, Guangdong, China
- Shenzhen Key Laboratory of Stem Cell Research and Clinical TransformationShenzhen 518020, China
- School of Medicine, Ji’nan UniversityGuangzhou 510632, China
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