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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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Meng W, Lin Z, Lu Y, Long X, Meng L, Su C, Wang Z, Niu L. Spatiotemporal Distributions of Acoustic Propagation in Skull During Ultrasound Neuromodulation. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2024; 71:584-595. [PMID: 38557630 DOI: 10.1109/tuffc.2024.3383027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
There is widespread interest and concern about the evidence and hypothesis that the auditory system is involved in ultrasound neuromodulation. We have addressed this problem by performing acoustic shear wave simulations in mouse skull and behavioral experiments in deaf mice. The simulation results showed that shear waves propagating along the skull did not reach sufficient acoustic pressure in the auditory cortex to modulate neurons. Behavioral experiments were subsequently performed to awaken anesthetized mice with ultrasound targeting the motor cortex or ventral tegmental area (VTA). The experimental results showed that ultrasound stimulation (US) of the target areas significantly increased arousal scores even in deaf mice, whereas the loss of ultrasound gel abolished the effect. Immunofluorescence staining also showed that ultrasound can modulate neurons in the target area, whereas neurons in the auditory cortex required the involvement of the normal auditory system for activation. In summary, the shear waves propagating along the skull cannot reach the auditory cortex and induce neuronal activation. Ultrasound neuromodulation-induced arousal behavior needs direct action on functionally relevant stimulation targets in the absence of auditory system participation.
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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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Fu B, Shan D, Pu C, Guo L, Xu H, Peng C. A Systematic Investigation of Thermal Effects of High-Intensity Focused Ultrasound Therapy for Ultrasound Neuromodulation. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 2024; 73:1-12. [DOI: 10.1109/tim.2024.3366278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2025]
Affiliation(s)
- Ben Fu
- School of Biomedical Engineering, ShanghaiTech University, Shanghai, China
| | - Dandan Shan
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Tongji University, Shanghai, China
| | - Cong Pu
- School of Biomedical Engineering, ShanghaiTech University, Shanghai, China
| | - Lehang Guo
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Tongji University, Shanghai, China
| | - Huixiong Xu
- Department of Ultrasound, Zhongshan Hospital, Institute of Ultrasound in Medicine and Engineering, Fudan University, Shanghai, China
| | - Chang Peng
- School of Biomedical Engineering, ShanghaiTech University, Shanghai, 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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Song M, Zhang M, He S, Li L, Hu H. Ultrasonic neuromodulation mediated by mechanosensitive ion channels: current and future. Front Neurosci 2023; 17:1232308. [PMID: 37583416 PMCID: PMC10423872 DOI: 10.3389/fnins.2023.1232308] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/12/2023] [Indexed: 08/17/2023] Open
Abstract
Ultrasound neuromodulation technology is a promising neuromodulation approach, with the advantages of noninvasiveness, high-resolution, deep penetration and good targeting, which aid in circumventing the side effects of drugs and invasive therapeutic interventions. Ultrasound can cause mechanical effects, activate mechanosensitive ion channels and alter neuronal excitability, producing biological effects. The structural determination of mechanosensitive ion channels will greatly contribute to our understanding of the molecular mechanisms underlying mechanosensory transduction. However, the underlying biological mechanism of ultrasonic neuromodulation remains poorly understood. Hence, this review aims to provide an outline of the properties of ultrasound, the structures of specific mechanosensitive ion channels, and their role in ultrasound neuromodulation.
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Affiliation(s)
- Mengyao Song
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
| | - Mingxia Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
| | - Sixuan He
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
| | - Le Li
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
| | - Huijing Hu
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
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Long T, Xie L, Pulati M, Wen Q, Guo X, Zhang D. C. elegans: Sensing the low-frequency profile of amplitude-modulated ultrasound. ULTRASONICS 2023; 128:106887. [PMID: 36395535 DOI: 10.1016/j.ultras.2022.106887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 10/31/2022] [Accepted: 11/01/2022] [Indexed: 06/16/2023]
Abstract
Several research groups have demonstrated that C. elegans can respond to pulsed ultrasound stimuli, and elucidating the underlying mechanisms is necessary to develop ultrasound neuromodulation. Here, amplitude-modulated (AM) ultrasound is applied to C. elegans, and its behavioral responses are investigated in detail. By loading surface acoustic waves (SAWs) onto free-moving worms on an agar surface, a carrier wave with a frequency of 8.80 MHz is selected. The signal is modulated by a rectangular or sinusoidal profile. It is demonstrated that sinusoidal modulation can produce similar responses in worms to rectangular modulation, with the strongest responses occurring at modulation frequencies of around 1.00 kHz. Meanwhile, the behavioral response is relatively weak when the ultrasonic signal is unmodulated, that is, when only the carrier wave is applied. At modulation frequencies other than 100.00 Hz to 10.00 kHz, the worms respond weakly, but when a second modulation frequency of 1.00 kHz is introduced, an improvement in response can be observed. These results suggest that C. elegans may sense the low-frequency envelope and respond to amplitude-modulated ultrasonic stimuli like an amplitude demodulator. MEC-4, an ion channel for touch sensing, is involved in the behavioral response of C. elegans to ultrasound in the present setup.
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Affiliation(s)
- Tianyang Long
- Key Laboratory of Modern Acoustics (MOE), School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Linzhou Xie
- Key Laboratory of Modern Acoustics (MOE), School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Mayibaier Pulati
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, 230027 Hefei, China
| | - Quan Wen
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, 230027 Hefei, China
| | - Xiasheng Guo
- Key Laboratory of Modern Acoustics (MOE), School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.
| | - Dong Zhang
- Key Laboratory of Modern Acoustics (MOE), School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.
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Collins MN, Mesce KA. A review of the bioeffects of low-intensity focused ultrasound and the benefits of a cellular approach. Front Physiol 2022; 13:1047324. [PMID: 36439246 PMCID: PMC9685663 DOI: 10.3389/fphys.2022.1047324] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 10/25/2022] [Indexed: 10/28/2023] Open
Abstract
This review article highlights the historical developments and current state of knowledge of an important neuromodulation technology: low-intensity focused ultrasound. Because compelling studies have shown that focused ultrasound can modulate neuronal activity non-invasively, especially in deep brain structures with high spatial specificity, there has been a renewed interest in attempting to understand the specific bioeffects of focused ultrasound at the cellular level. Such information is needed to facilitate the safe and effective use of focused ultrasound to treat a number of brain and nervous system disorders in humans. Unfortunately, to date, there appears to be no singular biological mechanism to account for the actions of focused ultrasound, and it is becoming increasingly clear that different types of nerve cells will respond to focused ultrasound differentially based on the complement of their ion channels, other membrane biophysical properties, and arrangement of synaptic connections. Furthermore, neurons are apparently not equally susceptible to the mechanical, thermal and cavitation-related consequences of focused ultrasound application-to complicate matters further, many studies often use distinctly different focused ultrasound stimulus parameters to achieve a reliable response in neural activity. In this review, we consider the benefits of studying more experimentally tractable invertebrate preparations, with an emphasis on the medicinal leech, where neurons can be studied as unique individual cells and be synaptically isolated from the indirect effects of focused ultrasound stimulation on mechanosensitive afferents. In the leech, we have concluded that heat is the primary effector of focused ultrasound neuromodulation, especially on motoneurons in which we observed a focused ultrasound-mediated blockade of action potentials. We discuss that the mechanical bioeffects of focused ultrasound, which are frequently described in the literature, are less reliably achieved as compared to thermal ones, and that observations ascribed to mechanical responses may be confounded by activation of synaptically-coupled sensory structures or artifacts associated with electrode resonance. Ultimately, both the mechanical and thermal components of focused ultrasound have significant potential to contribute to the sculpting of specific neural outcomes. Because focused ultrasound can generate significant modulation at a temperature <5°C, which is believed to be safe for moderate durations, we support the idea that focused ultrasound should be considered as a thermal neuromodulation technology for clinical use, especially targeting neural pathways in the peripheral nervous system.
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Affiliation(s)
- Morgan N. Collins
- Graduate Program in Neuroscience, University of Minnesota, Saint Paul, MN, United States
| | - Karen A. Mesce
- Department of Entomology and Graduate Program in Neuroscience, University of Minnesota, Saint Paul, MN, United States
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