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He Y, Wei Z, Xu J, Jin F, Li T, Qian L, Ma J, Zheng W, Javanmardi N, Wang T, Sun K, Feng ZQ. Genetics-Based Targeting Strategies for Precise Neuromodulation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2025:e13817. [PMID: 40387259 DOI: 10.1002/advs.202413817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2024] [Revised: 01/10/2025] [Indexed: 05/20/2025]
Abstract
Genetics-based neuromodulation schemes are capable of selectively manipulating the activity of defined cell populations with high temporal-spatial resolution, providing unprecedented opportunities for probing cellular biological mechanisms, resolving neuronal projection pathways, mapping neural profiles, and precisely treating neurological and psychiatric disorders. Multimodal implementation schemes, which involve the use of exogenous stimuli such as light, heat, mechanical force, chemicals, electricity, and magnetic stimulation in combination with specific genetically engineered effectors, greatly expand their application space and scenarios. In particular, advanced wireless stimulation schemes have enabled low-invasive targeted neuromodulation through local delivery of navigable micro- and nanosized stimulators. In this review, the fundamental principles and implementation protocols of genetics-based precision neuromodulation are first introduced.The implementation schemes are systematically summarized, including optical, thermal, force, chemical, electrical, and magnetic stimulation, with an emphasis on those wireless and low-invasive strategies. Representative studies are dissected and analyzed for their advantages and disadvantages. Finally, the significance of genetics-based precision neuromodulation is emphasized and the open challenges and future perspectives are concluded.
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Affiliation(s)
- Yuyuan He
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Zhidong Wei
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Jianda Xu
- Department of Orthopedics, Changzhou Hospital of Traditional Chinese Medicine, Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, 213003, P. R. China
| | - Fei Jin
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Tong Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Lili Qian
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Juan Ma
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Weiying Zheng
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Negar Javanmardi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
| | - Ting Wang
- State Key Laboratory of Digital Medical Engineering, Southeast University, Nanjing, 210096, P.R. China
| | - Kangjian Sun
- The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing, 210031, P. R. China
| | - Zhang-Qi Feng
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China
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Unda SR, Pomeranz LE, Marongiu R, Yu X, Kelly L, Hassanzadeh G, Molina H, Vaisey G, Wang P, Dyke JP, Fung EK, Grosenick L, Zirkel R, Antoniazzi AM, Norman S, Liston CM, Schaffer C, Nishimura N, Stanley SA, Friedman JM, Kaplitt MG. Bidirectional regulation of motor circuits using magnetogenetic gene therapy. SCIENCE ADVANCES 2024; 10:eadp9150. [PMID: 39383230 PMCID: PMC11463271 DOI: 10.1126/sciadv.adp9150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 09/05/2024] [Indexed: 10/11/2024]
Abstract
Here, we report a magnetogenetic system, based on a single anti-ferritin nanobody-TRPV1 receptor fusion protein, which regulated neuronal activity when exposed to magnetic fields. Adeno-associated virus (AAV)-mediated delivery of a floxed nanobody-TRPV1 into the striatum of adenosine-2a receptor-Cre drivers resulted in motor freezing when placed in a magnetic resonance imaging machine or adjacent to a transcranial magnetic stimulation device. Functional imaging and fiber photometry confirmed activation in response to magnetic fields. Expression of the same construct in the striatum of wild-type mice along with a second injection of an AAVretro expressing Cre into the globus pallidus led to similar circuit specificity and motor responses. Last, a mutation was generated to gate chloride and inhibit neuronal activity. Expression of this variant in the subthalamic nucleus in PitX2-Cre parkinsonian mice resulted in reduced c-fos expression and motor rotational behavior. These data demonstrate that magnetogenetic constructs can bidirectionally regulate activity of specific neuronal circuits noninvasively in vivo using clinically available devices.
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Affiliation(s)
- Santiago R. Unda
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Lisa E. Pomeranz
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | - Roberta Marongiu
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Xiaofei Yu
- School of Life Sciences, Fudan University, Shanghai 200433, China
| | - Leah Kelly
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | | | - Henrik Molina
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10019, USA
| | - George Vaisey
- Laboratory of Molecular Neurobiology and Biophysics, Rockefeller University, New York, NY 10065, USA
| | - Putianqi Wang
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | - Jonathan P. Dyke
- Citigroup Bioimaging Center, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Edward K. Fung
- Citigroup Bioimaging Center, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Logan Grosenick
- Department of Psychiatry, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Rick Zirkel
- Meining School of Biomedical Engineering, Cornell University, Ithaca, NY 14850, USA
| | - Aldana M. Antoniazzi
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Sofya Norman
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Conor M. Liston
- Department of Psychiatry, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
| | - Chris Schaffer
- Meining School of Biomedical Engineering, Cornell University, Ithaca, NY 14850, USA
| | - Nozomi Nishimura
- Meining School of Biomedical Engineering, Cornell University, Ithaca, NY 14850, USA
| | - Sarah A. Stanley
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10019, USA
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10019, USA
| | - Jeffrey M. Friedman
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Michael G. Kaplitt
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University, New York, NY 10065, USA
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Hernández-Morales M, Morales-Weil K, Han SM, Han V, Tran T, Benner EJ, Pegram K, Meanor J, Miller EW, Kramer RH, Liu C. Electrophysiological Mechanisms and Validation of Ferritin-Based Magnetogenetics for Remote Control of Neurons. J Neurosci 2024; 44:e1717232024. [PMID: 38777598 PMCID: PMC11270515 DOI: 10.1523/jneurosci.1717-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Magnetogenetics was developed to remotely control genetically targeted neurons. A variant of magnetogenetics uses magnetic fields to activate transient receptor potential vanilloid (TRPV) channels when coupled with ferritin. Stimulation with static or RF magnetic fields of neurons expressing these channels induces Ca2+ transients and modulates behavior. However, the validity of ferritin-based magnetogenetics has been questioned due to controversies surrounding the underlying mechanisms and deficits in reproducibility. Here, we validated the magnetogenetic approach Ferritin-iron Redistribution to Ion Channels (FeRIC) using electrophysiological (Ephys) and imaging techniques. Previously, interference from RF stimulation rendered patch-clamp recordings inaccessible for magnetogenetics. We solved this limitation for FeRIC, and we studied the bioelectrical properties of neurons expressing TRPV4 (nonselective cation channel) and transmembrane member 16A (TMEM16A; chloride-permeable channel) coupled to ferritin (FeRIC channels) under RF stimulation. We used cultured neurons obtained from the rat hippocampus of either sex. We show that RF decreases the membrane resistance (Rm) and depolarizes the membrane potential in neurons expressing TRPV4FeRIC RF does not directly trigger action potential firing but increases the neuronal basal spiking frequency. In neurons expressing TMEM16AFeRIC, RF decreases the Rm, hyperpolarizes the membrane potential, and decreases the spiking frequency. Additionally, we corroborated the previously described biochemical mechanism responsible for RF-induced activation of ferritin-coupled ion channels. We solved an enduring problem for ferritin-based magnetogenetics, obtaining direct Ephys evidence of RF-induced activation of ferritin-coupled ion channels. We found that RF does not yield instantaneous changes in neuronal membrane potentials. Instead, RF produces responses that are long-lasting and moderate, but effective in controlling the bioelectrical properties of neurons.
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Affiliation(s)
- Miriam Hernández-Morales
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
| | - Koyam Morales-Weil
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
| | - Sang Min Han
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
| | - Victor Han
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
| | - Tiffany Tran
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
| | - Eric J Benner
- Division of Neonatology, Department of Pediatrics, Duke University Medical Center, Jean and George Brumley, Jr. Neonatal-Perinatal Institute, Durham, North Carolina 27710
| | - Kelly Pegram
- Division of Neonatology, Department of Pediatrics, Duke University Medical Center, Jean and George Brumley, Jr. Neonatal-Perinatal Institute, Durham, North Carolina 27710
| | - Jenna Meanor
- Division of Neonatology, Department of Pediatrics, Duke University Medical Center, Jean and George Brumley, Jr. Neonatal-Perinatal Institute, Durham, North Carolina 27710
| | - Evan W Miller
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
- Department of Chemistry, University of California, Berkeley, California 94720
- Department of Molecular and Cell Biology, University of California, Berkeley, California 94720
| | - Richard H Kramer
- Department of Molecular and Cell Biology, University of California, Berkeley, California 94720
| | - Chunlei Liu
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720
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4
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Latypova AA, Yaremenko AV, Pechnikova NA, Minin AS, Zubarev IV. Magnetogenetics as a promising tool for controlling cellular signaling pathways. J Nanobiotechnology 2024; 22:327. [PMID: 38858689 PMCID: PMC11163773 DOI: 10.1186/s12951-024-02616-z] [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: 03/28/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024] Open
Abstract
Magnetogenetics emerges as a transformative approach for modulating cellular signaling pathways through the strategic application of magnetic fields and nanoparticles. This technique leverages the unique properties of magnetic nanoparticles (MNPs) to induce mechanical or thermal stimuli within cells, facilitating the activation of mechano- and thermosensitive proteins without the need for traditional ligand-receptor interactions. Unlike traditional modalities that often require invasive interventions and lack precision in targeting specific cellular functions, magnetogenetics offers a non-invasive alternative with the capacity for deep tissue penetration and the potential for targeting a broad spectrum of cellular processes. This review underscores magnetogenetics' broad applicability, from steering stem cell differentiation to manipulating neuronal activity and immune responses, highlighting its potential in regenerative medicine, neuroscience, and cancer therapy. Furthermore, the review explores the challenges and future directions of magnetogenetics, including the development of genetically programmed magnetic nanoparticles and the integration of magnetic field-sensitive cells for in vivo applications. Magnetogenetics stands at the forefront of cellular manipulation technologies, offering novel insights into cellular signaling and opening new avenues for therapeutic interventions.
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Affiliation(s)
- Anastasiia A Latypova
- Institute of Future Biophysics, Dolgoprudny, 141701, Russia
- Moscow Center for Advanced Studies, Moscow, 123592, Russia
| | - Alexey V Yaremenko
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA.
- Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece.
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, 117997, Russia.
| | - Nadezhda A Pechnikova
- Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
- Saint Petersburg Pasteur Institute, Saint Petersburg, 197101, Russia
| | - Artem S Minin
- M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, 620108, Russia
| | - Ilya V Zubarev
- Institute of Future Biophysics, Dolgoprudny, 141701, Russia.
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Chen C, Chen H, Wang P, Wang X, Wang X, Chen C, Pan W. Reactive Oxygen Species Activate a Ferritin-Linked TRPV4 Channel under a Static Magnetic Field. ACS Chem Biol 2024; 19:1151-1160. [PMID: 38648729 DOI: 10.1021/acschembio.4c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Magnetogenetics has shown great potential for cell function and neuromodulation using heat or force effects under different magnetic fields; however, there is still a contradiction between experimental effects and underlying mechanisms by theoretical computation. In this study, we aimed to investigate the role of reactive oxygen species (ROS) in mechanical force-dependent regulation from a physicochemical perspective. The transient receptor potential vanilloid 4 (TRPV4) cation channels fused to ferritin (T4F) were overexpressed in HEK293T cells and exposed to static magnetic fields (sMF, 1.4-5.0 mT; gradient: 1.62 mT/cm). An elevation of ROS levels was found under sMF in T4F-overexpressing cells, which could lead to lipid oxidation. Compared with the overexpression of TRPV4, ferritin in T4F promoted the generation of ROS under the stimulation of sMF, probably related to the release of iron ions from ferritin. Then, the resulting ROS regulated the opening of the TRPV4 channel, which was attenuated by the direct addition of ROS inhibitors or an iron ion chelator, highlighting a close relationship among iron release, ROS production, and TRPV4 channel activation. Taken together, these findings indicate that the produced ROS under sMF act on the TRPV4 channel, regulating the influx of calcium ions. The study would provide a scientific basis for the application of magnetic regulation in cellular or neural regulation and disease treatment and contribute to the development of the more sensitive regulatory technology.
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Affiliation(s)
- Changyou Chen
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
| | - Haitao Chen
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
| | - Pingping Wang
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
| | - Xue Wang
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Xuting Wang
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Chuanfang Chen
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
| | - Weidong Pan
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
- France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, Beijing 100190, China
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6
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Unda SR, Pomeranz LE, Marongiu R, Yu X, Kelly L, Hassanzadeh G, Molina H, Vaisey G, Wang P, Dyke JP, Fung EK, Grosenick L, Zirkel R, Antoniazzi AM, Norman S, Liston CM, Schaffer C, Nishimura N, Stanley SA, Friedman JM, Kaplitt MG. Bidirectional Regulation of Motor Circuits Using Magnetogenetic Gene Therapy Short: Magnetogenetic Regulation of Motor Circuits. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.07.13.548699. [PMID: 37503198 PMCID: PMC10369996 DOI: 10.1101/2023.07.13.548699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Here we report a novel suite of magnetogenetic tools, based on a single anti-ferritin nanobody-TRPV1 receptor fusion protein, which regulated neuronal activity when exposed to magnetic fields. AAV-mediated delivery of a floxed nanobody-TRPV1 into the striatum of adenosine 2a receptor-cre driver mice resulted in motor freezing when placed in an MRI or adjacent to a transcranial magnetic stimulation (TMS) device. Functional imaging and fiber photometry both confirmed activation of the target region in response to the magnetic fields. Expression of the same construct in the striatum of wild-type mice along with a second injection of an AAVretro expressing cre into the globus pallidus led to similar circuit specificity and motor responses. Finally, a mutation was generated to gate chloride and inhibit neuronal activity. Expression of this variant in subthalamic nucleus in PitX2-cre parkinsonian mice resulted in reduced local c-fos expression and motor rotational behavior. These data demonstrate that magnetogenetic constructs can bidirectionally regulate activity of specific neuronal circuits non-invasively in-vivo using clinically available devices.
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Affiliation(s)
- Santiago R. Unda
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Lisa E. Pomeranz
- Laboratory of Molecular Genetics, Rockefeller University; New York, NY, USA
| | - Roberta Marongiu
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Xiaofei Yu
- School of Life Sciences, Fudan University, Shanghai, 200433
| | - Leah Kelly
- Laboratory of Molecular Genetics, Rockefeller University; New York, NY, USA
| | | | - Henrik Molina
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - George Vaisey
- Laboratory of Molecular Neurobiology and Biophysics, Rockefeller University, New York, NY 10065, USA
| | - Putianqi Wang
- Laboratory of Molecular Genetics, Rockefeller University; New York, NY, USA
| | - Jonathan P. Dyke
- Citigroup Bioimaging Center, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Edward K. Fung
- Citigroup Bioimaging Center, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Logan Grosenick
- Department of Psychiatry, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Rick Zirkel
- Meining School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Aldana M. Antoniazzi
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Sofya Norman
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Conor M. Liston
- Department of Psychiatry, Weill Cornell Medical College, Cornell University; New York, NY, USA
| | - Chris Schaffer
- Meining School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Nozomi Nishimura
- Meining School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Sarah A. Stanley
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Michael G. Kaplitt
- Laboratory of Molecular Neurosurgery, Department of Neurological Surgery, Weill Cornell Medical College, Cornell University; New York, NY, USA
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Pomeranz L, Li R, Yu X, Kelly L, Hassanzadeh G, Molina H, Gross D, Brier M, Vaisey G, Wang P, Jimenez-Gonzalez M, Garcia-Ocana A, Dordick J, Friedman J, Stanley S. Magnetogenetic cell activation using endogenous ferritin. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.06.20.545120. [PMID: 37786709 PMCID: PMC10541561 DOI: 10.1101/2023.06.20.545120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
The ability to precisely control the activity of defined cell populations enables studies of their physiological roles and may provide therapeutic applications. While prior studies have shown that magnetic activation of ferritin-tagged ion channels allows cell-specific modulation of cellular activity, the large size of the constructs made the use of adeno-associated virus, AAV, the vector of choice for gene therapy, impractical. In addition, simple means for generating magnetic fields of sufficient strength have been lacking. Toward these ends, we first generated a novel anti-ferritin nanobody that when fused to transient receptor potential cation channel subfamily V member 1, TRPV1, enables direct binding of the channel to endogenous ferritin in mouse and human cells. This smaller construct can be delivered in a single AAV and we validated that it robustly enables magnetically induced cell activation in vitro. In parallel, we developed a simple benchtop electromagnet capable of gating the nanobody-tagged channel in vivo. Finally, we showed that delivering these new constructs by AAV to pancreatic beta cells in combination with the benchtop magnetic field delivery stimulates glucose-stimulated insulin release to improve glucose tolerance in mice in vivo. Together, the novel anti-ferritin nanobody, nanobody-TRPV1 construct and new hardware advance the utility of magnetogenetics in animals and potentially humans.
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Affiliation(s)
- Lisa Pomeranz
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | - Rosemary Li
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Xiaofei Yu
- School of Life Sciences, Fudan University, Shanghai, 200433
| | - Leah Kelly
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | | | - Henrik Molina
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Daniel Gross
- Current address, Dept. of Radiology, Weill Cornell Medicine, 1300 York Avenue New York, NY 10065
| | - Matthew Brier
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180
| | - George Vaisey
- Laboratory of Molecular Neurobiology and Biophysics, Rockefeller University, New York, NY 10065, USA
| | - Putianqi Wang
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | - Maria Jimenez-Gonzalez
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Adolfo Garcia-Ocana
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Molecular and Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope, Duarte, CA, 91010
| | - Jonathan Dordick
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180
| | - Jeffrey Friedman
- Laboratory of Molecular Genetics, Rockefeller University, New York, NY 10065, USA
| | - Sarah Stanley
- Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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