1
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Ishii S, Oyama K, Kobirumaki-Shimozawa F, Nakanishi T, Nakahara N, Suzuki M, Ishiwata S, Fukuda N. Myosin and tropomyosin-troponin complementarily regulate thermal activation of muscles. J Gen Physiol 2023; 155:e202313414. [PMID: 37870863 PMCID: PMC10591409 DOI: 10.1085/jgp.202313414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/04/2023] [Accepted: 10/03/2023] [Indexed: 10/24/2023] Open
Abstract
Contraction of striated muscles is initiated by an increase in cytosolic Ca2+ concentration, which is regulated by tropomyosin and troponin acting on actin filaments at the sarcomere level. Namely, Ca2+-binding to troponin C shifts the "on-off" equilibrium of the thin filament state toward the "on" state, promoting actomyosin interaction; likewise, an increase in temperature to within the body temperature range shifts the equilibrium to the on state, even in the absence of Ca2+. Here, we investigated the temperature dependence of sarcomere shortening along isolated fast skeletal myofibrils using optical heating microscopy. Rapid heating (25 to 41.5°C) within 2 s induced reversible sarcomere shortening in relaxing solution. Further, we investigated the temperature-dependence of the sliding velocity of reconstituted fast skeletal or cardiac thin filaments on fast skeletal or β-cardiac myosin in an in vitro motility assay within the body temperature range. We found that (a) with fast skeletal thin filaments on fast skeletal myosin, the temperature dependence was comparable to that obtained for sarcomere shortening in fast skeletal myofibrils (Q10 ∼8), (b) both types of thin filaments started to slide at lower temperatures on fast skeletal myosin than on β-cardiac myosin, and (c) cardiac thin filaments slid at lower temperatures compared with fast skeletal thin filaments on either type of myosin. Therefore, the mammalian striated muscle may be fine-tuned to contract efficiently via complementary regulation of myosin and tropomyosin-troponin within the body temperature range, depending on the physiological demands of various circumstances.
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Affiliation(s)
- Shuya Ishii
- Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology, Gunma, Japan
- Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kotaro Oyama
- Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology, Gunma, Japan
- Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan
| | | | - Tomohiro Nakanishi
- Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan
- Department of Anesthesiology, The Jikei University School of Medicine, Tokyo, Japan
| | - Naoya Nakahara
- Department of Molecular Physiology, The Jikei University School of Medicine, Tokyo, Japan
| | - Madoka Suzuki
- Institute for Protein Research, Osaka University, Osaka, Japan
| | - Shin’ichi Ishiwata
- Department of Physics, Faculty of Science and Engineering, Waseda University, Tokyo, Japan
| | - Norio Fukuda
- Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan
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2
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Kruglov AG, Romshin AM, Nikiforova AB, Plotnikova A, Vlasov II. Warm Cells, Hot Mitochondria: Achievements and Problems of Ultralocal Thermometry. Int J Mol Sci 2023; 24:16955. [PMID: 38069275 PMCID: PMC10707128 DOI: 10.3390/ijms242316955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 11/27/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Temperature is a crucial regulator of the rate and direction of biochemical reactions and cell processes. The recent data indicating the presence of local thermal gradients associated with the sites of high-rate thermogenesis, on the one hand, demonstrate the possibility for the existence of "thermal signaling" in a cell and, on the other, are criticized on the basis of thermodynamic calculations and models. Here, we review the main thermometric techniques and sensors developed for the determination of temperature inside living cells and diverse intracellular compartments. A comparative analysis is conducted of the results obtained using these methods for the cytosol, nucleus, endo-/sarcoplasmic reticulum, and mitochondria, as well as their biological consistency. Special attention is given to the limitations, possible sources of errors and ambiguities of the sensor's responses. The issue of biological temperature limits in cells and organelles is considered. It is concluded that the elaboration of experimental protocols for ultralocal temperature measurements that take into account both the characteristics of biological systems, as well as the properties and limitations of each type of sensor is of critical importance for the generation of reliable results and further progress in this field.
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Affiliation(s)
- Alexey G. Kruglov
- Institute of Theoretical and Experimental Biophysics of the Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Alexey M. Romshin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Anna B. Nikiforova
- Institute of Theoretical and Experimental Biophysics of the Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Arina Plotnikova
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute MEPhI), 115409 Moscow, Russia;
| | - Igor I. Vlasov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia;
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3
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Suzuki M, Liu C, Oyama K, Yamazawa T. Trans-scale thermal signaling in biological systems. J Biochem 2023; 174:217-225. [PMID: 37461189 PMCID: PMC10464929 DOI: 10.1093/jb/mvad053] [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: 04/30/2023] [Accepted: 06/21/2023] [Indexed: 08/31/2023] Open
Abstract
Biochemical reactions in cells serve as the endogenous source of heat, maintaining a constant body temperature. This process requires proper control; otherwise, serious consequences can arise due to the unwanted but unavoidable responses of biological systems to heat. This review aims to present a range of responses to heat in biological systems across various spatial scales. We begin by examining the impaired thermogenesis of malignant hyperthermia in model mice and skeletal muscle cells, demonstrating that the progression of this disease is caused by a positive feedback loop between thermally driven Ca2+ signaling and thermogenesis at the subcellular scale. After we explore thermally driven force generation in both muscle and non-muscle cells, we illustrate how in vitro assays using purified proteins can reveal the heat-responsive properties of proteins and protein assemblies. Building on these experimental findings, we propose the concept of 'trans-scale thermal signaling'.
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Key Words
- ATPase
- fluorescence microscopy
- heat-induced calcium release
- microheating
- type 1 ryanodine receptor.
Abbreviations: [Ca2+]i, intracellular Ca2+ concentration; CICR, Ca2+-induced Ca2+ release; ER, endoplasmic reticulum; FDB, flexor digitorum brevis; HEK293 cell, human embryonic kidney 293 cell; HICR, heat-induced Ca2+ release; IP3R, inositol 1,4,5-trisphosphate receptor; MH, malignant hyperthermia; RCC, rapid cooling contracture; RyR1, type 1 ryanodine receptor; SERCA, sarco/endoplasmic reticulum Ca2+-ATPase; SR, sarcoplasmic reticulum; TRP, transient receptor potential; WT, wild type
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Affiliation(s)
- Madoka Suzuki
- Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Chujie Liu
- Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita, Osaka 565-0871, Japan
- Department of Biological Sciences, Graduate School of Science, Osaka University, 1-1, Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
| | - Kotaro Oyama
- Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanukimachi, Takasaki-shi, Gunma 370-1292, Japan
| | - Toshiko Yamazawa
- Core Research Facilities, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan
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4
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Romshin AM, Zeeb V, Glushkov E, Radenovic A, Sinogeikin AG, Vlasov II. Nanoscale thermal control of a single living cell enabled by diamond heater-thermometer. Sci Rep 2023; 13:8546. [PMID: 37236978 DOI: 10.1038/s41598-023-35141-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
We report a new approach to controllable thermal stimulation of a single living cell and its compartments. The technique is based on the use of a single polycrystalline diamond particle containing silicon-vacancy (SiV) color centers. Due to the presence of amorphous carbon at its intercrystalline boundaries, such a particle is an efficient light absorber and becomes a local heat source when illuminated by a laser. Furthermore, the temperature of such a local heater is tracked by the spectral shift of the zero-phonon line of SiV centers. Thus, the diamond particle acts simultaneously as a heater and a thermometer. In the current work, we demonstrate the ability of such a Diamond Heater-Thermometer (DHT) to locally alter the temperature, one of the numerous parameters that play a decisive role for the living organisms at the nanoscale. In particular, we show that the local heating of 11-12 °C relative to the ambient temperature (22 °C) next to individual HeLa cells and neurons, isolated from the mouse hippocampus, leads to a change in the intracellular distribution of the concentration of free calcium ions. For individual HeLa cells, a long-term (about 30 s) increase in the integral intensity of Fluo-4 NW fluorescence by about three times is observed, which characterizes an increase in the [Ca2+]cyt concentration of free calcium in the cytoplasm. Heating near mouse hippocampal neurons also caused a calcium surge-an increase in the intensity of Fluo-4 NW fluorescence by 30% and a duration of ~ 0.4 ms.
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Affiliation(s)
- Alexey M Romshin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilov str. 38, Moscow, 119991, Russia.
| | - Vadim Zeeb
- Institute of Theoretical and Experimental Biophysics of the Russian Academy of Sciences, Pushchino, Moscow Region, 142292, Russia.
| | - Evgenii Glushkov
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Andrey G Sinogeikin
- NanThermix SA, Ecole Polytechnique Federale de Lausanne (EPFL) Innovation Park, 1015, Lausanne, Switzerland
| | - Igor I Vlasov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilov str. 38, Moscow, 119991, Russia
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5
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Kurisaki I, Tanaka S, Mori I, Umegaki T, Mori Y, Tanaka S. Thermal conductivity and conductance of protein in aqueous solution: Effects of geometrical shape. J Comput Chem 2023; 44:857-868. [PMID: 36468822 PMCID: PMC10107505 DOI: 10.1002/jcc.27048] [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: 09/10/2022] [Revised: 11/10/2022] [Accepted: 11/21/2022] [Indexed: 12/12/2022]
Abstract
Considering the importance of elucidating the heat transfer in living cells, we evaluated the thermal conductivity κ and conductance G of hydrated protein through all-atom non-equilibrium molecular dynamics simulation. Extending the computational scheme developed in earlier studies for spherical protein to cylindrical one under the periodic boundary condition, we enabled the theoretical analysis of anisotropic thermal conduction and also discussed the effects of protein size correction on the calculated results. While the present results for myoglobin and green fluorescent protein (GFP) by the spherical model were in fair agreement with previous computational and experimental results, we found that the evaluations for κ and G by the cylindrical model, in particular, those for the longitudinal direction of GFP, were enhanced substantially, but still keeping a consistency with experimental data. We also studied the influence by salt addition of physiological concentration, finding insignificant alteration of thermal conduction of protein in the present case.
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Affiliation(s)
- Ikuo Kurisaki
- Graduate School of System Informatics, Kobe University, Kobe, Japan
| | - Seiya Tanaka
- Graduate School of Science, Technology and Innovation, Kobe University, Kobe, Japan
| | - Ichiro Mori
- Graduate School of Science, Technology and Innovation, Kobe University, Kobe, Japan
| | - Toshihito Umegaki
- Graduate School of System Informatics, Kobe University, Kobe, Japan.,Center for Mathematical Modeling and Data Science, Osaka University, Osaka, Japan
| | - Yoshiharu Mori
- Graduate School of System Informatics, Kobe University, Kobe, Japan
| | - Shigenori Tanaka
- Graduate School of System Informatics, Kobe University, Kobe, Japan
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6
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Tunable liquid-solid hybrid thermal metamaterials with a topology transition. Proc Natl Acad Sci U S A 2023; 120:e2217068120. [PMID: 36634140 PMCID: PMC9934101 DOI: 10.1073/pnas.2217068120] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Thermal metamaterials provide rich control of heat transport which is becoming the foundation of cutting-edge applications ranging from chip cooling to biomedical. However, due to the fundamental laws of physics, the manipulation of heat is much more constrained in conventional thermal metamaterials where effective heat conduction with Onsager reciprocity dominates. Here, through the inclusion of thermal convection and breaking the Onsager reciprocity, we unveil a regime in thermal metamaterials and transformation thermotics that goes beyond effective heat conduction. By designing a liquid-solid hybrid thermal metamaterial, we demonstrate a continuous switch from thermal cloaking to thermal concentration in one device with external tuning. Underlying such a switch is a topology transition in the virtual space of the thermotic transformation which is achieved by tuning the liquid flow via external control. These findings illustrate the extraordinary heat transport in complex multicomponent thermal metamaterials and pave the way toward an unprecedented regime of heat manipulation.
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7
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Kurisaki I, Suzuki M. Simulation toolkits at the molecular scale for trans-scale thermal signaling. Comput Struct Biotechnol J 2023; 21:2547-2557. [PMID: 37102156 PMCID: PMC10123322 DOI: 10.1016/j.csbj.2023.03.040] [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: 02/19/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/28/2023] Open
Abstract
Thermogenesis is a physiological activity of releasing heat that originates from intracellular biochemical reactions. Recent experimental studies discovered that externally applied heat changes intracellular signaling locally, resulting in global changes in cell morphology and signaling. Therefore, we hypothesize an inevitable contribution of thermogenesis in modulating biological system functions throughout the spatial scales from molecules to individual organisms. One key issue examining the hypothesis, namely, the "trans-scale thermal signaling," resides at the molecular scale on the amount of heat released via individual reactions and by which mechanism the heat is employed for cellular function operations. This review introduces atomistic simulation tool kits for studying the mechanisms of thermal signaling processes at the molecular scale that even state-of-the-art experimental methodologies of today are hardly accessible. We consider biological processes and biomolecules as potential heat sources in cells, such as ATP/GTP hydrolysis and multiple biopolymer complex formation and disassembly. Microscopic heat release could be related to mesoscopic processes via thermal conductivity and thermal conductance. Additionally, theoretical simulations to estimate these thermal properties in biological membranes and proteins are introduced. Finally, we envisage the future direction of this research field.
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Affiliation(s)
- Ikuo Kurisaki
- Waseda Research Institute for Science and Engineering, Waseda University, Bldg. No.55, S Tower, 4th Floor, 3–4-1 Okubo Shinjuku-ku, Tokyo 169–8555, Japan
- Corresponding authors.
| | - Madoka Suzuki
- Institute for Protein Research, Osaka University, 3–2 Yamadaoka, Suita, Osaka 565–0871, Japan
- Corresponding authors.
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8
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Rapid Dantrolene Administration with Body Temperature Monitoring Is Associated with Decreased Mortality in Japanese Malignant Hyperthermia Events. BIOMED RESEARCH INTERNATIONAL 2023; 2023:8340209. [PMID: 36874927 PMCID: PMC9977521 DOI: 10.1155/2023/8340209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 01/18/2023] [Accepted: 01/31/2023] [Indexed: 02/24/2023]
Abstract
Purpose Malignant hyperthermia (MH) is a rare genetic disorder but one of the most severe complications of general anesthesia. The mortality rate of MH has dropped from 70% in the 1960s to 15% because of dantrolene, the only currently accepted specific treatment for MH. In this study, we retrospectively identified the optimal dantrolene administration conditions to reduce MH mortality further. Methods Our database performed a retrospective analysis of patients with MH clinical grading scale (CGS) grade 5 (very likely) or 6 (almost certain) between 1995 and 2020. We examined whether dantrolene administration affected mortality and compared the clinical variables associated with improved prognosis. Furthermore, a multivariable logistic regression analysis was used to identify specific variables associated with improved prognosis. Results 128 patients met the inclusion criteria. 115 patients were administered dantrolene; 104 survived, and 11 died. The mortality rate of patients who were not administered dantrolene was 30.8%, which was significantly higher than those of patients who were administered dantrolene (P = 0.047). Among patients administered dantrolene, the interval from the first sign of MH to the start of dantrolene administration was significantly longer in the deceased than in the survivors (100 min vs. 45.0 min, P < 0.001), and the temperature at the start of dantrolene administration was also significantly higher in the deceased (41.6°C vs. 39.1°C, P < 0.001). There was no significant difference in the rate of increase in temperature between the two, but there was a substantial difference in the maximum temperature (P < 0.001). The multivariable analysis also showed that the patient's temperature at dantrolene administration and interval from the first MH sign to dantrolene administration was significantly associated with improved prognosis. Conclusions Dantrolene should be given as rapidly as possible once MH has been diagnosed. Beginning treatment at a more normal body temperature can prevent critical elevations associated with a worse prognosis.
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Tsuboi Y, Oyama K, Kobirumaki-Shimozawa F, Murayama T, Kurebayashi N, Tachibana T, Manome Y, Kikuchi E, Noguchi S, Inoue T, Inoue YU, Nishino I, Mori S, Ishida R, Kagechika H, Suzuki M, Fukuda N, Yamazawa T. Mice with R2509C-RYR1 mutation exhibit dysfunctional Ca2+ dynamics in primary skeletal myocytes. J Gen Physiol 2022; 154:213526. [PMID: 36200983 PMCID: PMC9546722 DOI: 10.1085/jgp.202213136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 07/22/2022] [Accepted: 09/14/2022] [Indexed: 11/20/2022] Open
Abstract
Type 1 ryanodine receptor (RYR1) is a Ca2+ release channel in the sarcoplasmic reticulum (SR) of the skeletal muscle and plays a critical role in excitation-contraction coupling. Mutations in RYR1 cause severe muscle diseases, such as malignant hyperthermia, a disorder of Ca2+-induced Ca2+ release (CICR) through RYR1 from the SR. We recently reported that volatile anesthetics induce malignant hyperthermia (MH)-like episodes through enhanced CICR in heterozygous R2509C-RYR1 mice. However, the characterization of Ca2+ dynamics has yet to be investigated in skeletal muscle cells from homozygous mice because these animals die in utero. In the present study, we generated primary cultured skeletal myocytes from R2509C-RYR1 mice. No differences in cellular morphology were detected between wild type (WT) and mutant myocytes. Spontaneous Ca2+ transients and cellular contractions occurred in WT and heterozygous myocytes, but not in homozygous myocytes. Electron microscopic observation revealed that the sarcomere length was shortened to ∼1.7 µm in homozygous myocytes, as compared to ∼2.2 and ∼2.3 µm in WT and heterozygous myocytes, respectively. Consistently, the resting intracellular Ca2+ concentration was higher in homozygous myocytes than in WT or heterozygous myocytes, which may be coupled with a reduced Ca2+ concentration in the SR. Finally, using infrared laser-based microheating, we found that heterozygous myocytes showed larger heat-induced Ca2+ transients than WT myocytes. Our findings suggest that the R2509C mutation in RYR1 causes dysfunctional Ca2+ dynamics in a mutant-gene dose-dependent manner in the skeletal muscles, in turn provoking MH-like episodes and embryonic lethality in heterozygous and homozygous mice, respectively.
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Affiliation(s)
- Yoshitaka Tsuboi
- Core Research Facilities, The Jikei University School of Medicine, Tokyo, Japan.,Department of Molecular Physiology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kotaro Oyama
- Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, Gunma, Japan.,Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan
| | | | - Takashi Murayama
- Department of Cellular and Molecular Pharmacology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Nagomi Kurebayashi
- Department of Cellular and Molecular Pharmacology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Toshiaki Tachibana
- Core Research Facilities, The Jikei University School of Medicine, Tokyo, Japan
| | - Yoshinobu Manome
- Core Research Facilities, The Jikei University School of Medicine, Tokyo, Japan
| | - Emi Kikuchi
- Core Research Facilities, The Jikei University School of Medicine, Tokyo, Japan
| | - Satoru Noguchi
- Department of Neuromuscular Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Takayoshi Inoue
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yukiko U Inoue
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Ichizo Nishino
- Department of Neuromuscular Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Shuichi Mori
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryosuke Ishida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroyuki Kagechika
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Madoka Suzuki
- Institute for Protein Research, Osaka University, Osaka, Japan
| | - Norio Fukuda
- Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan
| | - Toshiko Yamazawa
- Core Research Facilities, The Jikei University School of Medicine, Tokyo, Japan.,Department of Molecular Physiology, The Jikei University School of Medicine, Tokyo, Japan
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10
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Suzuki M, Oyama K. A five-course meal symposium on “The Future of Muscle is Now”. Biophys Physicobiol 2022; 19:e190029. [DOI: 10.2142/biophysico.bppb-v19.0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 08/25/2022] [Indexed: 12/01/2022] Open
Affiliation(s)
| | - Kotaro Oyama
- Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology
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