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Fujita H, Kaneshiro J, Takeda M, Sasaki K, Yamamoto R, Umetsu D, Kuranaga E, Higo S, Kondo T, Asano Y, Sakata Y, Miyagawa S, Watanabe TM. Estimation of crossbridge-state during cardiomyocyte beating using second harmonic generation. Life Sci Alliance 2023; 6:e202302070. [PMID: 37236659 PMCID: PMC10215972 DOI: 10.26508/lsa.202302070] [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: 04/02/2023] [Revised: 04/21/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Estimation of dynamic change of crossbridge formation in living cardiomyocytes is expected to provide crucial information for elucidating cardiomyopathy mechanisms, efficacy of an intervention, and others. Here, we established an assay system to dynamically measure second harmonic generation (SHG) anisotropy derived from myosin filaments depended on their crossbridge status in pulsating cardiomyocytes. Experiments utilizing an inheritable mutation that induces excessive myosin-actin interactions revealed that the correlation between sarcomere length and SHG anisotropy represents crossbridge formation ratio during pulsation. Furthermore, the present method found that ultraviolet irradiation induced an increased population of attached crossbridges that lost the force-generating ability upon myocardial differentiation. Taking an advantage of infrared two-photon excitation in SHG microscopy, myocardial dysfunction could be intravitally evaluated in a Drosophila disease model. Thus, we successfully demonstrated the applicability and effectiveness of the present method to evaluate the actomyosin activity of a drug or genetic defect on cardiomyocytes. Because genomic inspection alone may not catch the risk of cardiomyopathy in some cases, our study demonstrated herein would be of help in the risk assessment of future heart failure.
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Affiliation(s)
- Hideaki Fujita
- Department of Stem Cell Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Junichi Kaneshiro
- Laboratory for Comprehensive Bioimaging, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Maki Takeda
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kensuke Sasaki
- Laboratory for Comprehensive Bioimaging, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Rikako Yamamoto
- Department of Stem Cell Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Daiki Umetsu
- Laboratory for Histogenetic Dynamics, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
- Department of Biological Sciences, Graduate School of Science, Osaka University, Osaka, Japan
| | - Erina Kuranaga
- Laboratory for Histogenetic Dynamics, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Shuichiro Higo
- Department of Medical Therapeutics for Heart Failure, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takumi Kondo
- Department of Medical Therapeutics for Heart Failure, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshihiro Asano
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yasushi Sakata
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shigeru Miyagawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tomonobu M Watanabe
- Department of Stem Cell Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
- Laboratory for Comprehensive Bioimaging, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
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Aghigh A, Bancelin S, Rivard M, Pinsard M, Ibrahim H, Légaré F. Second harmonic generation microscopy: a powerful tool for bio-imaging. Biophys Rev 2023; 15:43-70. [PMID: 36909955 PMCID: PMC9995455 DOI: 10.1007/s12551-022-01041-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 12/21/2022] [Indexed: 01/20/2023] Open
Abstract
Second harmonic generation (SHG) microscopy is an important optical imaging technique in a variety of applications. This article describes the history and physical principles of SHG microscopy and its more advanced variants, as well as their strengths and weaknesses in biomedical applications. It also provides an overview of SHG and advanced SHG imaging in neuroscience and microtubule imaging and how these methods can aid in understanding microtubule formation, structuration, and involvement in neuronal function. Finally, we offer a perspective on the future of these methods and how technological advancements can help make SHG microscopy a more widely adopted imaging technique.
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Affiliation(s)
- Arash Aghigh
- Centre Énergie Matériaux Télécommunications, Institut National de La Recherche Scientifique, Varennes, QC Canada
| | | | - Maxime Rivard
- National Research Council Canada, Boucherville, QC Canada
| | - Maxime Pinsard
- Institut National de Recherche en Sciences Et Technologies Pour L’environnement Et L’agriculture, Paris, France
| | - Heide Ibrahim
- Centre Énergie Matériaux Télécommunications, Institut National de La Recherche Scientifique, Varennes, QC Canada
| | - François Légaré
- Centre Énergie Matériaux Télécommunications, Institut National de La Recherche Scientifique, Varennes, QC Canada
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Watanabe TM, Fujita H, Kaneshiro J. [Application of scattering microscopy for evaluation of iPS cell and its differentiated cells]. Nihon Yakurigaku Zasshi 2020; 155:312-318. [PMID: 32879172 DOI: 10.1254/fpj.20042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Various artificial cells and artificial tissues can be generated from induced pluripotent stem cells (iPS cells). There is now an urgent need to standardize the quality evaluation and management of iPS cells. Recently, artificial intelligence (AI) technology such as machine learning is providing evaluation method for the quality of iPS cells and iPS cell-derived somatic cells based on optical microscopy. Light, which is the principle of optical microscopy, has an interesting and important feature. There are various kinds of interaction between light and molecule, and the scattered light includes internal information of the molecule. Raman scattering inheres all the vibration mode of molecular bonds composing a molecule, and second harmonic generation (SHG) light, which is one of second-order non-linear scattering light, is derived from electric polarizations in the molecule, in other words, carries structural information within the protein. While states of a cell are usually defined by protein/gene expression patterns, we have proposed to apply Raman spectra for cellular fingerprinting as an alternative for identifying the cell state, and now succeeded in predicting gene-expression of antibiotic resistant bacteria in combination with machine learning technology. Meanwhile, SHG microscopy has been used to visualize fiber structures in living specimens, such as collagen, and microtubules as a label-free modality. By utilizing the feature that SHG senses protein structure change, we developed a new method to measure actomyosin activity in cardiac cells. The most important advantage of the use of the scattering light is their non-labeling and non-invasive capability.
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Affiliation(s)
- Tomonobu M Watanabe
- Laboratory for Comprehensive bioimaging, RIKEN Center for Biosystems Dynamics Research.,Department of Stem Cell Biology,Research Institute for Radiation Biology and Medicine, Hiroshima University
| | - Hideaki Fujita
- Laboratory for Comprehensive bioimaging, RIKEN Center for Biosystems Dynamics Research
| | - Junichi Kaneshiro
- Laboratory for Comprehensive bioimaging, RIKEN Center for Biosystems Dynamics Research
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Mercatelli R, Triulzi T, Pavone FS, Orlandi R, Cicchi R. Collagen ultrastructural symmetry and its malignant alterations in human breast cancer revealed by polarization-resolved second-harmonic generation microscopy. JOURNAL OF BIOPHOTONICS 2020; 13:e202000159. [PMID: 32472568 DOI: 10.1002/jbio.202000159] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/24/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
Several specific alterations of the extracellular matrix can be considered a distinctive hallmark of cancer. In particular, a different morphology of the collagen scaffold is frequently found within the peritumoural environment. In this study, we report about a significant difference in the ultrastructural organization of collagen at the supra-molecular level between the perilesional scaffold and the tumour area in human breast carcinoma samples. In particular, we demonstrated that polarization-resolved second-harmonic generation (P-SHG) microscopy is able to link the altered collagen architecture at the ultrastructural level found in perilesional tissue with a different organization of collagen fibrils at the molecular level.
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Affiliation(s)
- Raffaella Mercatelli
- National Institute of Optics, National Research Council (CNR-INO), Sesto Fiorentino, Italy
- Aerospazio Tecnologie s.r.l., Italy
| | - Tiziana Triulzi
- Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Francesco Saverio Pavone
- Department of Physics, University of Florence, Sesto Fiorentino, Italy
- European Laboratory for Non-linear Spectroscopy (LENS), Sesto Fiorentino, Italy
| | - Rosaria Orlandi
- Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Riccardo Cicchi
- National Institute of Optics, National Research Council (CNR-INO), Sesto Fiorentino, Italy
- European Laboratory for Non-linear Spectroscopy (LENS), Sesto Fiorentino, Italy
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