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Wang M, Wang T, Ji H, Yan J, Wang X, Zhang X, Li X, Yuan Y. Modulation effect of non-invasive transcranial ultrasound stimulation in an ADHD rat model. J Neural Eng 2023; 20. [PMID: 36599159 DOI: 10.1088/1741-2552/acb014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/04/2023] [Indexed: 01/05/2023]
Abstract
Objective.Previous studies have demonstrated that transcranial ultrasound stimulation (TUS) with noninvasive high penetration and high spatial resolution has an effective neuromodulatory effect on neurological diseases. Attention deficit hyperactivity disorder (ADHD) is a persistent neurodevelopmental disorder that severely affects child health. However, the neuromodulatory effects of TUS on ADHD have not been reported to date. This study aimed to investigate the neuromodulatory effects of TUS on ADHD.Approach.TUS was performed in ADHD model rats for two consecutive weeks, and the behavioral improvement of ADHD, neural activity of ADHD from neurons and neural oscillation levels, and the plasma membrane dopamine transporter and brain-derived neurotrophic factor (BDNF) in the brains of ADHD rats were evaluated.Main results.TUS can improve cognitive behavior in ADHD rats, and TUS altered neuronal firing patterns and modulated the relative power and sample entropy of local field potentials in the ADHD rats. In addition, TUS can also enhance BDNF expression in the brain tissues.Significance. TUS has an effective neuromodulatory effect on ADHD and thus has the potential to clinically improve cognitive dysfunction in ADHD.
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Affiliation(s)
- Mengran Wang
- School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China
| | - Teng Wang
- School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China.,Key Laboratory of Intelligent Rehabilitation and Neuromodulation of Hebei Province, Yanshan University, Qinhuangdao 066004, People's Republic of China
| | - Hui Ji
- Department of Neurology, Hebei Key Laboratory of Vascular Homeostasis and Hebei Collaborative Innovation Center for Cardio-cerebrovascular Disease, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, People's Republic of China
| | - Jiaqing Yan
- College of Electrical and Control Engineering, North China University of Technology, Beijing 100041, People's Republic of China
| | - Xingran Wang
- School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China.,Key Laboratory of Intelligent Rehabilitation and Neuromodulation of Hebei Province, Yanshan University, Qinhuangdao 066004, People's Republic of China
| | - Xiangjian Zhang
- Department of Neurology, Hebei Key Laboratory of Vascular Homeostasis and Hebei Collaborative Innovation Center for Cardio-cerebrovascular Disease, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, People's Republic of China
| | - Xin Li
- School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China
| | - Yi Yuan
- School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China.,Key Laboratory of Intelligent Rehabilitation and Neuromodulation of Hebei Province, Yanshan University, Qinhuangdao 066004, People's Republic of China
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2
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Setien MB, Smith KR, Howard K, Williams K, Suhr ST, Purcell EK. Differentiation and characterization of neurons derived from rat iPSCs. J Neurosci Methods 2020; 338:108693. [DOI: 10.1016/j.jneumeth.2020.108693] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/12/2020] [Accepted: 03/17/2020] [Indexed: 12/26/2022]
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Telezhkin V, Straccia M, Yarova P, Pardo M, Yung S, Vinh NN, Hancock JM, Barriga GGD, Brown DA, Rosser AE, Brown JT, Canals JM, Randall AD, Allen ND, Kemp PJ. Kv7 channels are upregulated during striatal neuron development and promote maturation of human iPSC-derived neurons. Pflugers Arch 2018; 470:1359-1376. [PMID: 29797067 PMCID: PMC6096767 DOI: 10.1007/s00424-018-2155-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/14/2018] [Accepted: 05/15/2018] [Indexed: 11/29/2022]
Abstract
Kv7 channels determine the resting membrane potential of neurons and regulate their excitability. Even though dysfunction of Kv7 channels has been linked to several debilitating childhood neuronal disorders, the ontogeny of the constituent genes, which encode Kv7 channels (KNCQ), and expression of their subunits have been largely unexplored. Here, we show that developmentally regulated expression of specific KCNQ mRNA and Kv7 channel subunits in mouse and human striatum is crucial to the functional maturation of mouse striatal neurons and human-induced pluripotent stem cell-derived neurons. This demonstrates their pivotal role in normal development and maturation, the knowledge of which can now be harnessed to synchronise and accelerate neuronal differentiation of stem cell-derived neurons, enhancing their utility for disease modelling and drug discovery.
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Affiliation(s)
- Vsevolod Telezhkin
- School of Dental Sciences, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4BW, UK. .,School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK. .,Department of Neuroscience, Physiology and Pharmacology, London University College, London, UK.
| | - Marco Straccia
- Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, August Pi Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Polina Yarova
- School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Monica Pardo
- Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, August Pi Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Sun Yung
- School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Ngoc-Nga Vinh
- School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Jane M Hancock
- School of Physiology and Pharmacology, University of Bristol, Bristol, UK
| | - Gerardo Garcia-Diaz Barriga
- Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, August Pi Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - David A Brown
- Department of Neuroscience, Physiology and Pharmacology, London University College, London, UK
| | - Anne E Rosser
- School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK.,Institute of Psychological Medicine and Clinical Neurosciences, School of Medicine, Cardiff University, Hadyn Ellis Building, Cardiff, CF24 4HQ, UK
| | - Jonathan T Brown
- Hatherly Laboratory, Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
| | - Josep M Canals
- Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, August Pi Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Andrew D Randall
- School of Physiology and Pharmacology, University of Bristol, Bristol, UK.,Hatherly Laboratory, Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
| | - Nicholas D Allen
- School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Paul J Kemp
- School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK
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Li H, Parsnejad S, Ashoori E, Thompson C, Purcell EK, Mason AJ. Ultracompact Microwatt CMOS Current Readout With Picoampere Noise and Kilohertz Bandwidth for Biosensor Arrays. IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS 2018; 12:35-46. [PMID: 28981427 PMCID: PMC5802377 DOI: 10.1109/tbcas.2017.2752742] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
High-density on-chip electrochemical biosensor arrays are advancing toward a crucial role in health monitoring and development of new medicines and medical treatments. Nanopore and ion channel based sensors especially have great potential but present demanding resolution/speed/power/area requirements on instrumentation circuits. This paper presents a pixel-level current readout circuit and new group-cluster architecture to address the circuit challenges in high-performance biosensor arrays. Fabricated in 0.5 μm CMOS, this electrochemical voltammetry circuit achieves 7.2 pArms noise in an 11.5-kHz bandwidth and only consumes 21-μ W power and 0.06 mm2 area per readout channel. Cyclic voltammetry experiments in a potassium ferricyanide solution and patch-clamp whole-cell experiments were performed to validate the circuit's feasibility for electrochemical biosensor applications.
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Zhou N, Huang S, Li L, Huang D, Yan Y, Du X, Zhang H. Suppression of KV7/KCNQ potassium channel enhances neuronal differentiation of PC12 cells. Neuroscience 2016; 333:356-67. [PMID: 27450567 DOI: 10.1016/j.neuroscience.2016.07.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 07/07/2016] [Accepted: 07/08/2016] [Indexed: 11/28/2022]
Abstract
Membrane potential shift driven by electrical activity is critical in determining the cell fate of proliferation or differentiation. As such, the ion channels that underlie the membrane electrical activity play an important role in cell proliferation/differentiation. KV7/KCNQ potassium channels are critical in determining the resting membrane potentials in many neuronal cells. However, the role of these channels in cell differentiation is not well studied. In the present study, we used PC12 cells as well as primary cultured rat cortical neurons to study the role and mechanism of KV7/KCNQ in neuronal differentiation. NGF induced PC12 cell differentiation into neuron-like cells with growth of neurites showing typical growth cone-like extensions. The Kv7/KCNQ blocker XE991 promoted NGF-induced neurite outgrowth, whereas Kv7/KCNQ opener retigabine (RTG) inhibited outgrowth. M-type Kv7 channels are likely involved in regulating neurite growth because overexpression of KCNQ2/Q3 inhibited neurite growth whereas suppression of KCNQ2/Q3 with shRNA promoted neurite growth. Membrane depolarization possibly underpins enhanced neurite growth induced by the suppression of Kv7/KCNQ. Additionally, high extracellular K(+) likely induced membrane depolarization and also promoted neurite growth. Finally, T-type Ca(2+) channels may be involved in membrane-depolarization-induced neurite growth. This study provides a new perspective for understanding neuronal differentiation as well as KV7/KCNQ channel function.
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Affiliation(s)
- Najing Zhou
- Department of Pharmacology, Hebei Medical University, China; Department of Cell Biology, Hebei Medical University, Shijiazhuang 050017, China
| | - Sha Huang
- Department of Pharmacology, Hebei Medical University, China
| | - Li Li
- Department of Pharmacology, Hebei Medical University, China
| | - Dongyang Huang
- Department of Pharmacology, Hebei Medical University, China
| | - Yunli Yan
- Department of Cell Biology, Hebei Medical University, Shijiazhuang 050017, China
| | - Xiaona Du
- Department of Pharmacology, Hebei Medical University, China
| | - Hailin Zhang
- Department of Pharmacology, Hebei Medical University, China.
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Firing frequency and entrainment maintained in primary auditory neurons in the presence of combined BDNF and NT3. Sci Rep 2016; 6:28584. [PMID: 27335179 PMCID: PMC4917828 DOI: 10.1038/srep28584] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Accepted: 06/07/2016] [Indexed: 12/16/2022] Open
Abstract
Primary auditory neurons rely on neurotrophic factors for development and survival. We previously determined that exposure to brain-derived neurotrophic factor (BDNF) and neurotrophin-3 (NT3) alters the activity of hyperpolarization-activated currents (Ih) in this neuronal population. Since potassium channels are sensitive to neurotrophins, and changes in Ih are often accompanied by a shift in voltage-gated potassium currents (IK), this study examined IK with exposure to both BDNF and NT3 and the impact on firing entrainment during high frequency pulse trains. Whole-cell patch-clamp recordings revealed significant changes in action potential latency and duration, but no change in firing adaptation or total outward IK. Dendrotoxin-I (DTX-I), targeting voltage-gated potassium channel subunits KV1.1 and KV1.2, uncovered an increase in the contribution of DTX-I sensitive currents with exposure to neurotrophins. No difference in Phrixotoxin-1 (PaTX-1) sensitive currents, mediated by KV4.2 and KV4.3 subunits, was observed. Further, no difference was seen in firing entrainment. These results show that combined BDNF and NT3 exposure influences the contribution of KV1.1 and KV1.2 to the low voltage-activated potassium current (IKL). Whilst this is accompanied by a shift in spike latency and duration, both firing frequency and entrainment to high frequency pulse trains are preserved.
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Ishikawa M, Ohnishi H, Skerleva D, Sakamoto T, Yamamoto N, Hotta A, Ito J, Nakagawa T. Transplantation of neurons derived from human iPS cells cultured on collagen matrix into guinea-pig cochleae. J Tissue Eng Regen Med 2015. [PMID: 26205474 DOI: 10.1002/term.2072] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The present study examined the efficacy of a neural induction method for human induced pluripotent stem (iPS) cells to eliminate undifferentiated cells and to determine the feasibility of transplanting neurally induced cells into guinea-pig cochleae for replacement of spiral ganglion neurons (SGNs). A stepwise method for differentiation of human iPS cells into neurons was used. First, a neural induction method was established on Matrigel-coated plates; characteristics of cell populations at each differentiation step were assessed. Second, neural stem cells were differentiated into neurons on a three-dimensional (3D) collagen matrix, using the same protocol of culture on Matrigel-coated plates; neuron subtypes in differentiated cells on a 3D collagen matrix were examined. Then, human iPS cell-derived neurons cultured on a 3D collagen matrix were transplanted into intact guinea-pig cochleae, followed by histological analysis. In vitro analyses revealed successful induction of neural stem cells from human iPS cells, with no retention of undifferentiated cells expressing OCT3/4. After the neural differentiation of neural stem cells, approximately 70% of cells expressed a neuronal marker, 90% of which were positive for vesicular glutamate transporter 1 (VGLUT1). The expression pattern of neuron subtypes in differentiated cells on a 3D collagen matrix was identical to that of the differentiated cells on Matrigel-coated plates. In addition, the survival of transplant-derived neurons was achieved when inflammatory responses were appropriately controlled. Our preparation method for human iPS cell-derived neurons efficiently eliminated undifferentiated cells and contributed to the settlement of transplant-derived neurons expressing VGLUT1 in guinea-pig cochleae. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Masaaki Ishikawa
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Hiroe Ohnishi
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Desislava Skerleva
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Tatsunori Sakamoto
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Norio Yamamoto
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Akitsu Hotta
- Centre for iPS Cell Research and Application, Kyoto University, Japan
| | - Juichi Ito
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Takayuki Nakagawa
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Japan
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Needham K, Hyakumura T, Gunewardene N, Dottori M, Nayagam BA. Electrophysiological properties of neurosensory progenitors derived from human embryonic stem cells. Stem Cell Res 2013; 12:241-9. [PMID: 24280418 DOI: 10.1016/j.scr.2013.10.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 10/30/2013] [Accepted: 10/30/2013] [Indexed: 01/19/2023] Open
Abstract
In severe cases of sensorineural hearing loss where the numbers of auditory neurons are significantly depleted, stem cell-derived neurons may provide a potential source of replacement cells. The success of such a therapy relies upon producing a population of functional neurons from stem cells, to enable precise encoding of sound information to the brainstem. Using our established differentiation assay to produce sensory neurons from human stem cells, patch-clamp recordings indicated that all neurons examined generated action potentials and displayed both transient sodium and sustained potassium currents. Stem cell-derived neurons reliably entrained to stimuli up to 20 pulses per second (pps), with 50% entrainment at 50 pps. A comparison with cultured primary auditory neurons indicated similar firing precision during low-frequency stimuli, but significant differences after 50 pps due to differences in action potential latency and width. The firing properties of stem cell-derived neurons were also considered relative to time in culture (31-56 days) and revealed no change in resting membrane potential, threshold or firing latency over time. Thus, while stem cell-derived neurons did not entrain to high frequency stimulation as effectively as mammalian auditory neurons, their electrical phenotype was stable in culture and consistent with that reported for embryonic auditory neurons.
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Affiliation(s)
- Karina Needham
- Department of Otolaryngology, University of Melbourne, Royal Victorian Eye and Ear Hospital, Level 2, 32 Gisborne Street, East Melbourne, VIC 3002, Australia; Department of Medicine, St Vincent's Hospital, University of Melbourne, Level 4, Clinical Sciences Building, 29 Regent Street, Fitzroy, VIC 3065, Australia.
| | - Tomoko Hyakumura
- Department of Otolaryngology, University of Melbourne, Royal Victorian Eye and Ear Hospital, Level 2, 32 Gisborne Street, East Melbourne, VIC 3002, Australia.
| | - Niliksha Gunewardene
- Department of Otolaryngology, University of Melbourne, Royal Victorian Eye and Ear Hospital, Level 2, 32 Gisborne Street, East Melbourne, VIC 3002, Australia.
| | - Mirella Dottori
- Centre for Neural Engineering, NICTA, University of Melbourne, 203 Bouverie Street, Parkville, VIC 3010, Australia.
| | - Bryony A Nayagam
- Department of Otolaryngology, University of Melbourne, Royal Victorian Eye and Ear Hospital, Level 2, 32 Gisborne Street, East Melbourne, VIC 3002, Australia; Department of Audiology and Speech Pathology, University of Melbourne, 550 Swanston Street, Parkville, VIC 3010, Australia; Bionics Institute, 384-388 Albert Street, East Melbourne, VIC 3002, Australia.
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