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Zhou X, Wang Y, Li X, Sudersan P, Amann-Winkel K, Koynov K, Nagata Y, Berger R, Butt HJ. Thickness of Nano-Scale Poly(Dimethylsiloxane) Layers Determines the Motion of Sliding Water Drops. Adv Mater 2024:e2311470. [PMID: 38760007 DOI: 10.1002/adma.202311470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 05/14/2024] [Indexed: 05/19/2024]
Abstract
Layers of nanometer thick polydimethylsiloxane (PDMS) are applied as hydrophobic coatings because of their environmentally-friendly and chemically-inert properties. In applications such as heat exchangers or fog harvesting, low water drop friction on surfaces is required. While the onset of motion (static friction) has been studied, our knowledge of dynamic friction needs to be improved. Which processes lead to energy dissipation and cause dynamic friction? This knowledge is important to minimize friction. Here, we measured the dynamic friction of drops on PDMS brushes of different thicknesses, covering the whole available velocity regime. The brush thickness L turned out to be a predictor for drop friction. 4-5 nm thick PDMS brush showed the lowest dynamic friction. A certain minimal thickness is necessary to form homogeneous surfaces and reduce the attractive Van der Waals interaction between water and the substrate. The increase in dynamic friction above L = 5 nm is also attributed to the increasing viscoelastic dissipation of the capillary ridge formed at the contact line. The height of the ridge is related to the brush thickness. Fluorescence correlation spectroscopy and atomic force measurements support this interpretation. Sum-frequency generation further indicates a maximum order at the PDMS-water interface at intermediate thickness. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xiaoteng Zhou
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Yongkang Wang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- School of Mechanical Engineering, Southeast University, Nanjing, 211189, China
| | - Xiaomei Li
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Pranav Sudersan
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Katrin Amann-Winkel
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Institute for Physics, Johannes Gutenberg University Mainz, Staudingerweg 10, 55128, Mainz, Germany
| | - Kaloian Koynov
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Rüdiger Berger
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Hans-Jürgen Butt
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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2
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Wang Y, Tang F, Yu X, Ohto T, Nagata Y, Bonn M. Heterodyne-Detected Sum-Frequency Generation Vibrational Spectroscopy Reveals Aqueous Molecular Structure at the Suspended Graphene/Water Interface. Angew Chem Int Ed Engl 2024; 63:e202319503. [PMID: 38478726 DOI: 10.1002/anie.202319503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Indexed: 04/12/2024]
Abstract
Graphene, a transparent two-dimensional conductive material, has brought extensive new perspectives and prospects to various aqueous technological systems, such as desalination membranes, chemical sensors, energy storage, and energy conversion devices. Yet, the molecular-level details of graphene in contact with aqueous electrolytes, such as water orientation and hydrogen bond structure, remain elusive or controversial. Here, we employ surface-specific heterodyne-detected sum-frequency generation (HD-SFG) vibrational spectroscopy to re-examine the water molecular structure at a freely suspended graphene/water interface. We compare the response from the air/graphene/water system to that from the air/water interface. Our results indicate that theχ y y z 2 ${{\chi }_{yyz}^{\left(2\right)}}$ spectrum recorded from the air/graphene/water system arises from the topmost 1-2 water layers in contact with the graphene, with the graphene itself not generating a significant SFG response. Compared to the air/water interface response, the presence of monolayer graphene weakly affects the interfacial water. Graphene weakly affects the dangling O-H group, lowering its frequency through its interaction with the graphene sheet, and has a very small effect on the hydrogen-bonded O-H group. Molecular dynamics simulations confirm our experimental observation. Our work provides molecular insight into the interfacial structure at a suspended graphene/water interface, relevant to various technological applications of graphene.
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Affiliation(s)
- Yongkang Wang
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Fujie Tang
- Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, 361005, Xiamen, China
- Laboratory of AI for Electrochemistry (AI4EC), IKKEM, 361005, Xiamen, China
| | - Xiaoqing Yu
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Tatsuhiko Ohto
- Graduate School of Engineering, Nagoya University, Nagoya, 464-8603, Japan
| | - Yuki Nagata
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Mischa Bonn
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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3
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Dodia M, Rouxel JR, Cho D, Zhang Y, Keefer D, Bonn M, Nagata Y, Mukamel S. Water Solvent Reorganization upon Ultrafast Resonant Stimulated X-ray Raman Excitation of a Metalloporphyrin Dimer. J Chem Theory Comput 2024. [PMID: 38727197 DOI: 10.1021/acs.jctc.4c00040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Abstract
We propose an X-ray Raman pump-X-ray diffraction probe scheme to follow solvation dynamics upon charge migration in a solute molecule. The X-ray Raman pump selectively prepares a valence electronic wavepacket in the solute, while the probe provides information about the entire molecular ensemble. A combination of molecular dynamics and ab initio quantum chemistry simulations is applied to a Zn-Ni porphyrin dimer in water. Using time-resolved X-ray diffraction and pair distribution functions, we extracted solvation shell dynamics.
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Affiliation(s)
- Mayank Dodia
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Jérémy R Rouxel
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Daeheum Cho
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Yu Zhang
- Ames National Laboratory, Iowa State University, Ames, Iowa 50011, United States
| | - Daniel Keefer
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Shaul Mukamel
- Department of Chemistry, University of California, Irvine, California 92697-2025, United States
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4
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Mai S, Izumi K, Itamoto S, Kurosawa S, Nagata Y, Hikichi S, Miyazawa H, Tokuchi K, Imafuku K, Yanagi T, Tsutsui M, Ujiie H. Native collagen XVII complex ELISA: An approach for diagnosis and monitoring of anti-integrin β4 mucous membrane pemphigoid. J Eur Acad Dermatol Venereol 2024; 38:e385-e387. [PMID: 37908157 DOI: 10.1111/jdv.19614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 10/27/2023] [Indexed: 11/02/2023]
Affiliation(s)
- S Mai
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - K Izumi
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - S Itamoto
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - S Kurosawa
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Y Nagata
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - S Hikichi
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - H Miyazawa
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - K Tokuchi
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - K Imafuku
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - T Yanagi
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - M Tsutsui
- Department of Dermatology, Sapporo Tokushukai Hospital, Sapporo, Japan
| | - H Ujiie
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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5
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Litman Y, Chiang KY, Seki T, Nagata Y, Bonn M. Surface stratification determines the interfacial water structure of simple electrolyte solutions. Nat Chem 2024; 16:644-650. [PMID: 38225269 PMCID: PMC10997511 DOI: 10.1038/s41557-023-01416-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/07/2023] [Indexed: 01/17/2024]
Abstract
The distribution of ions at the air/water interface plays a decisive role in many natural processes. Several studies have reported that larger ions tend to be surface-active, implying ions are located on top of the water surface, thereby inducing electric fields that determine the interfacial water structure. Here we challenge this view by combining surface-specific heterodyne-detected vibrational sum-frequency generation with neural network-assisted ab initio molecular dynamics simulations. Our results show that ions in typical electrolyte solutions are, in fact, located in a subsurface region, leading to a stratification of such interfaces into two distinctive water layers. The outermost surface is ion-depleted, and the subsurface layer is ion-enriched. This surface stratification is a key element in explaining the ion-induced water reorganization at the outermost air/water interface.
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Affiliation(s)
- Yair Litman
- Max Planck Institute for Polymer Research, Mainz, Germany.
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK.
| | | | - Takakazu Seki
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Mainz, Germany.
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6
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Fukuda H, Arai K, Mizuno H, Nishito Y, Motoi N, Arai Y, Hiraoka N, Shibata T, Sonobe Y, Kayukawa Y, Hashimoto E, Takahashi M, Fujii E, Maruyama T, Kuwabara K, Nishizawa T, Mizoguchi Y, Yoshida Y, Watanabe SI, Yamashita M, Kitano S, Sakamoto H, Nagata Y, Mitsumori R, Ozaki K, Niida S, Kanai Y, Hirayama A, Soga T, Tsukada K, Yabuki N, Shimada M, Kitazawa T, Natori O, Sawada N, Kato A, Yoshida T, Yasuda K, Ochiai A, Tsunoda H, Aoki K. Molecular subtypes of lung adenocarcinoma present distinct immune tumor microenvironments. Cancer Sci 2024. [PMID: 38527308 DOI: 10.1111/cas.16154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 01/31/2024] [Accepted: 03/04/2024] [Indexed: 03/27/2024] Open
Abstract
Overcoming resistance to immune checkpoint inhibitors is an important issue in patients with non-small-cell lung cancer (NSCLC). Transcriptome analysis shows that adenocarcinoma can be divided into three molecular subtypes: terminal respiratory unit (TRU), proximal proliferative (PP), and proximal inflammatory (PI), and squamous cell carcinoma (LUSQ) into four. However, the immunological characteristics of these subtypes are not fully understood. In this study, we investigated the immune landscape of NSCLC tissues in molecular subtypes using a multi-omics dataset, including tumor-infiltrating leukocytes (TILs) analyzed using flow cytometry, RNA sequences, whole exome sequences, metabolomic analysis, and clinicopathologic findings. In the PI subtype, the number of TILs increased and the immune response in the tumor microenvironment (TME) was activated, as indicated by high levels of tertiary lymphoid structures, and high cytotoxic marker levels. Patient prognosis was worse in the PP subtype than in other adenocarcinoma subtypes. Glucose transporter 1 (GLUT1) expression levels were upregulated and lactate accumulated in the TME of the PP subtype. This could lead to the formation of an immunosuppressive TME, including the inactivation of antigen-presenting cells. The TRU subtype had low biological malignancy and "cold" tumor-immune phenotypes. Squamous cell carcinoma (LUSQ) did not show distinct immunological characteristics in its respective subtypes. Elucidation of the immune characteristics of molecular subtypes could lead to the development of personalized immune therapy for lung cancer. Immune checkpoint inhibitors could be an effective treatment for the PI subtype. Glycolysis is a potential target for converting an immunosuppressive TME into an antitumorigenic TME in the PP subtype.
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Affiliation(s)
- Hironori Fukuda
- Department of Immune Medicine, National Cancer Center Research Institute, Tokyo, Japan
- Department of Urology, Tokyo Women's Medical University, Tokyo, Japan
| | - Kosuke Arai
- Department of Immune Medicine, National Cancer Center Research Institute, Tokyo, Japan
- Department of Hematology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideaki Mizuno
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Yukari Nishito
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Noriko Motoi
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Yasuhito Arai
- Division of Cancer Genomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Nobuyoshi Hiraoka
- Department of Analytical Pathology, National Cancer Center Research Institute, Tokyo, Japan
| | - Tatsuhiro Shibata
- Division of Cancer Genomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Yukiko Sonobe
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Yoko Kayukawa
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Eri Hashimoto
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Mina Takahashi
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Etsuko Fujii
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Toru Maruyama
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Kenta Kuwabara
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Takashi Nishizawa
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Yukihiro Mizoguchi
- Department of Immune Medicine, National Cancer Center Research Institute, Tokyo, Japan
| | - Yukihiro Yoshida
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Shun-Ichi Watanabe
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Makiko Yamashita
- Advanced Medical Development Center, Cancer Research Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Shigehisa Kitano
- Advanced Medical Development Center, Cancer Research Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Hiromi Sakamoto
- Department of Clinical Genomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Yuki Nagata
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
- Bioresource Research Center, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University, Tokyo, Japan
| | - Risa Mitsumori
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Kouichi Ozaki
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Shumpei Niida
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Yae Kanai
- Department of Pathology, School of Medicine, Keio University, Tokyo, Japan
| | - Akiyoshi Hirayama
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan
| | - Tomoyoshi Soga
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan
| | - Keisuke Tsukada
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Nami Yabuki
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Mei Shimada
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Takehisa Kitazawa
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Osamu Natori
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Noriaki Sawada
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Atsuhiko Kato
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Teruhiko Yoshida
- Department of Genetic Medicine and Services, National Cancer Center Hospital, Tokyo, Japan
| | - Kazuki Yasuda
- Department of Metabolic Disorder, Diabetes Research Center, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan
| | - Atsushi Ochiai
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Hiroyuki Tsunoda
- Chugai Life Science Park Yokohama, Chugai Pharmaceutical Co. Ltd, Yokohama, Japan
| | - Kazunori Aoki
- Department of Immune Medicine, National Cancer Center Research Institute, Tokyo, Japan
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7
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Yu CC, Seki T, Chiang KY, Wang Y, Bonn M, Nagata Y. Depth-profiling alkyl chain order in unsaturated lipid monolayers on water. J Chem Phys 2024; 160:114902. [PMID: 38506293 DOI: 10.1063/5.0190519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/28/2024] [Indexed: 03/21/2024] Open
Abstract
Unsaturated lipids with C=C groups in their alkyl chains are widely present in the cell membrane and food. The C=C groups alter the lipid packing density, membrane stability, and persistence against lipid oxidation. Yet, molecular-level insights into the structure of the unsaturated lipids remain scarce. Here, we probe the molecular structure and organization of monolayers of unsaturated lipids on the water surface using heterodyne-detected sum-frequency generation (HD-SFG) spectroscopy. We vary the location of the C=C in the alkyl chain and find that at high lipid density, the location of the C=C group affects neither the interfacial water organization nor the tail of the alkyl chain. Based on this observation, we use the C=C stretch HD-SFG response to depth-profile the alkyl chain conformation of the unsaturated lipid. We find that the first 1/3 of carbon atoms from the headgroup are relatively rigid, oriented perpendicular to the surface. In contrast, the remaining carbon atoms can be approximated as free rotators, introducing the disordering of the alkyl chains.
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Affiliation(s)
- Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Graduate School of Science and Technology, Hirosaki University, Hirosaki, 036-8561 Aomori, Japan
| | - Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yongkang Wang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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8
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Nakakura S, Oogi S, Terao E, Nagata Y, Fujisawa Y, Dote S, Ueda K. Changes in Ocular Biometry Following PreserFlo MicroShunt Implantation and Trabeculectomy: A Prospective Observational Study. Cureus 2024; 16:e56188. [PMID: 38487650 PMCID: PMC10940033 DOI: 10.7759/cureus.56188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2024] [Indexed: 03/17/2024] Open
Abstract
Background This study aimed to evaluate postoperative changes in ocular biometry following initial PreserFlo MicroShunt implantation and trabeculectomy. Methodology This prospective, observational study analyzed 27 cases of PreserFlo MicroShunt implantation and 29 cases of trabeculectomy performed by a single surgeon. Visual acuity, intraocular pressure, corneal curvature, central corneal thickness, anterior chamber depth, and axial length were assessed at baseline and postoperatively at one day, one week, two weeks, one month, two months, three months, and six months. Patients requiring additional surgery and those with missing data were excluded. Consecutive data were compared with the baseline values using multiple comparisons. Results In both groups, intraocular pressure was significantly decreased from baseline at all postoperative time points (all p < 0.01). Visual acuity decreased in both groups at one day and one week postoperatively. Corneal curvature remained unchanged in both groups throughout the six-month follow-up. Central corneal thickness increased at one day and one week postoperatively in the PreserFlo group, but not in the trabeculectomy group. Anterior chamber depth exhibited a significant decrease at one week postoperatively in both groups. Axial length significantly decreased postoperatively until three months in the PreserFlo group and at all postoperative time points in the trabeculectomy group. Conclusions Ocular biometry following PreserFlo and trabeculectomy had a similar tendency postoperatively.
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Affiliation(s)
| | - Satomi Oogi
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Etsuko Terao
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Yuki Nagata
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | | | - Saki Dote
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Kanae Ueda
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
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9
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Seki T, Yu CC, Chiang KY, Yu X, Sun S, Bonn M, Nagata Y. Spontaneous Appearance of Triiodide Covering the Topmost Layer of the Iodide Solution Interface Without Photo-Oxidation. Environ Sci Technol 2024; 58:3830-3837. [PMID: 38353041 PMCID: PMC10902846 DOI: 10.1021/acs.est.3c08243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Ions containing iodine atoms at the vapor-aqueous solution interfaces critically affect aerosol growth and atmospheric chemistry due to their complex chemical nature and multivalency. While the surface propensity of iodide ions has been intensely discussed in the context of the Hofmeister series, the stability of various ions containing iodine atoms at the vapor-water interface has been debated. Here, we combine surface-specific sum-frequency generation (SFG) vibrational spectroscopy with ab initio molecular dynamics simulations to examine the extent to which iodide ions cover the aqueous surface. The SFG probe of the free O-D stretch mode of heavy water indicates that the free O-D group density decreases drastically at the interface when the bulk NaI concentration exceeds ∼2 M. The decrease in the free O-D group density is attributed to the spontaneous appearance of triiodide that covers the topmost interface rather than to the surface adsorption of iodide. This finding demonstrates that iodide is not surface-active, yet the highly surface-active triiodide is generated spontaneously at the water-air interface, even under dark and oxygen-free conditions. Our study provides an important first step toward clarifying iodine chemistry and pathways for aerosol formation.
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Affiliation(s)
- Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Graduate School of Science and Technology, Hirosaki University, Hirosaki, Aomori 036-8561, Japan
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Shumei Sun
- Department of Physics, Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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10
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Wang Y, Seki T, Gkoupidenis P, Chen Y, Nagata Y, Bonn M. Aqueous chemimemristor based on proton-permeable graphene membranes. Proc Natl Acad Sci U S A 2024; 121:e2314347121. [PMID: 38300862 PMCID: PMC10861866 DOI: 10.1073/pnas.2314347121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 11/30/2023] [Indexed: 02/03/2024] Open
Abstract
Memristive devices, electrical elements whose resistance depends on the history of applied electrical signals, are leading candidates for future data storage and neuromorphic computing. Memristive devices typically rely on solid-state technology, while aqueous memristive devices are crucial for biology-related applications such as next-generation brain-machine interfaces. Here, we report a simple graphene-based aqueous memristive device with long-term and tunable memory regulated by reversible voltage-induced interfacial acid-base equilibria enabled by selective proton permeation through the graphene. Surface-specific vibrational spectroscopy verifies that the memory of the graphene resistivity arises from the hysteretic proton permeation through the graphene, apparent from the reorganization of interfacial water at the graphene/water interface. The proton permeation alters the surface charge density on the CaF2 substrate of the graphene, affecting graphene's electron mobility, and giving rise to synapse-like resistivity dynamics. The results pave the way for developing experimentally straightforward and conceptually simple aqueous electrolyte-based neuromorphic iontronics using two-dimensional (2D) materials.
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Affiliation(s)
- Yongkang Wang
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing211189, China
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Mainz55128, Germany
| | - Takakazu Seki
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Mainz55128, Germany
| | - Paschalis Gkoupidenis
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Mainz55128, Germany
| | - Yunfei Chen
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing211189, China
| | - Yuki Nagata
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Mainz55128, Germany
| | - Mischa Bonn
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Mainz55128, Germany
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Wang Y, Nagata Y, Bonn M. Substrate effect on charging of electrified graphene/water interfaces. Faraday Discuss 2024; 249:303-316. [PMID: 37772472 DOI: 10.1039/d3fd00107e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Graphene, a transparent two-dimensional (2D) conductive electrode, has brought extensive new perspectives and prospects to electrochemical systems, such as chemical sensors, energy storage, and energy conversion devices. In many of these applications, graphene, supported on a substrate, is in contact with an aqueous solution. An increasing number of studies indicate that the substrate, rather than graphene, determines the organization of water in contact with graphene, i.e., the electric double layer (EDL) structure near the electrified graphene, and the wetting behavior of the graphene: the graphene sheet is transparent in terms of its supporting substrate. By applying surface-specific heterodyne-detected sum-frequency generation (HD-SFG) spectroscopy to the silicon dioxide (SiO2)-supported graphene electrode/aqueous electrolyte interface and comparing the data with those for the calcium fluoride (CaF2)-supported graphene [Y. Wang et al., Angew. Chem., Int. Ed., 2023, 62, e202216604], we discuss the impact of the different substrates on the charging of both the graphene and the substrate upon applying potentials. The SiO2-supported graphene shows pseudocapacitive behavior, consistent with the CaF2-supported graphene case, although the surface charges on SiO2 and CaF2 differ substantially. The SiO2 surface is already negatively charged at +0.57 V (vs. Pd/H2), and the negative surface charge is doubled when negative potentials are applied, in contrast with the CaF2 case, where the positive charge is reduced when negative potentials are applied. Interestingly, the charging of the graphene sheet is almost identical between the negatively charged SiO2 surface and positively charged CaF2 surface, demonstrating that the graphene charging is decoupled from the charging of the substrates.
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Affiliation(s)
- Yongkang Wang
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
| | - Yuki Nagata
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
| | - Mischa Bonn
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
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Advincula XR, Backus EHG, Bartels-Rausch T, Benaglia S, Ben Ari G, Blow KE, Bonn M, Bui AT, Cox SJ, Della Pia F, Diebold U, Finney AR, Franceschi G, Fumagalli L, Goel G, Hayton JA, Holdship C, Jiang Y, Jin D, Kapil V, Kavokine N, Koga K, Laage D, Lahav M, Miao S, Michaelides A, Mohandas N, Morgenstern K, Mukherjee T, Nagata Y, Olvera de la Cruz M, Pan D, Piaggi PM, Rempe SLB, Ryan P, Salzmann CG, Sayer T, Saykally RJ, Shepelenko M, Sosso GC, Whale TF, White JJ, Willard AP, Zhang P. Ice interfaces: general discussion. Faraday Discuss 2024; 249:133-161. [PMID: 38174608 DOI: 10.1039/d3fd90063k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
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13
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Backus EHG, Ben Ari G, Benaglia S, Bonn M, Bui AT, Cox SJ, Della Pia F, Fraxedas J, Goel G, Jiang Y, Jin D, Koga K, Laage D, Miao S, Michaelides A, Morgenstern K, Mukherjee T, Nagata Y, Naito H, Nir O, Olvera de la Cruz M, Orlikowska-Rzeznik H, Pan D, Rempe SLB, Salzmann CG, Taira A, Vilangottunjalil A, Wang S, Willard AP, Yao Y, Yu J. Soft matter-water interface: general discussion. Faraday Discuss 2024; 249:485-520. [PMID: 38193511 DOI: 10.1039/d3fd90066e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
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14
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Chiang KY, Yu X, Yu CC, Seki T, Sun S, Bonn M, Nagata Y. Bulklike Vibrational Coupling of Surface Water Revealed by Sum-Frequency Generation Spectroscopy. Phys Rev Lett 2023; 131:256202. [PMID: 38181372 DOI: 10.1103/physrevlett.131.256202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 10/10/2023] [Accepted: 10/30/2023] [Indexed: 01/07/2024]
Abstract
Vibrational coupling between interfacial water molecules is important for energy dissipation after on-water chemistry, yet intensely debated. Here, we quantify the interfacial vibrational coupling strength through the linewidth of surface-specific vibrational spectra of the water's O─H (O─D) stretch region for neat H_{2}O/D_{2}O and their isotopic mixtures. The local-field-effect-corrected experimental SFG spectra reveal that the vibrational coupling between hydrogen-bonded interfacial water O─H groups is comparable to that in bulk water, despite the effective density reduction at the interface.
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Affiliation(s)
- Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Shumei Sun
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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15
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Prasoon A, Yu X, Hambsch M, Bodesheim D, Liu K, Zacarias A, Nguyen NN, Seki T, Dianat A, Croy A, Cuniberti G, Fontaine P, Nagata Y, Mannsfeld SCB, Dong R, Bonn M, Feng X. Site-selective chemical reactions by on-water surface sequential assembly. Nat Commun 2023; 14:8313. [PMID: 38097633 PMCID: PMC10721922 DOI: 10.1038/s41467-023-44129-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 12/01/2023] [Indexed: 12/17/2023] Open
Abstract
Controlling site-selectivity and reactivity in chemical reactions continues to be a key challenge in modern synthetic chemistry. Here, we demonstrate the discovery of site-selective chemical reactions on the water surface via a sequential assembly approach. A negatively charged surfactant monolayer on the water surface guides the electrostatically driven, epitaxial, and aligned assembly of reagent amino-substituted porphyrin molecules, resulting in a well-defined J-aggregated structure. This constrained geometry of the porphyrin molecules prompts the subsequent directional alignment of the perylenetetracarboxylic dianhydride reagent, enabling the selective formation of a one-sided imide bond between porphyrin and reagent. Surface-specific in-situ spectroscopies reveal the underlying mechanism of the dynamic interface that promotes multilayer growth of the site-selective imide product. The site-selective reaction on the water surface is further demonstrated by three reversible and irreversible chemical reactions, such as imide-, imine-, and 1, 3-diazole (imidazole)- bonds involving porphyrin molecules. This unique sequential assembly approach enables site-selective chemical reactions that can bring on-water surface synthesis to the forefront of modern organic chemistry.
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Affiliation(s)
- Anupam Prasoon
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
- Max Planck Institute for Microstructure Physics, Halle (Saale), D-06120, Germany
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Mike Hambsch
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062, Dresden, Germany
| | - David Bodesheim
- Institute for Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, 01062, Dresden, Germany
| | - Kejun Liu
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Angelica Zacarias
- Max Planck Institute for Microstructure Physics, Halle (Saale), D-06120, Germany
| | - Nguyen Ngan Nguyen
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Aerzoo Dianat
- Institute for Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, 01062, Dresden, Germany
| | - Alexander Croy
- Institute of Physical Chemistry, Friedrich Schiller University Jena, 07737, Jena, Germany
| | - Gianaurelio Cuniberti
- Institute for Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, 01062, Dresden, Germany
- Dresden Center for Computational Materials Science (DCMS), Technische Universität Dresden, 01062, Dresden, Germany
| | - Philippe Fontaine
- Synchrotron SOLEIL, L'Orme des Merisiers, Départementale 128, 91190, Saint-Aubin, France
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Stefan C B Mannsfeld
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062, Dresden, Germany.
| | - Renhao Dong
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.
- Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany.
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.
- Max Planck Institute for Microstructure Physics, Halle (Saale), D-06120, Germany.
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Sakai M, Sakai T, Nagata Y, Komai H, Miyake Y, Watariguchi T, Kawabata A, Ohtsu F. Effect of rapid cefpodoxime disk screening for early detection of third-generation cephalosporin resistance in Escherichia coli and Klebsiella pneumoniae bacteremia. J Pharm Health Care Sci 2023; 9:43. [PMID: 38037095 PMCID: PMC10691134 DOI: 10.1186/s40780-023-00313-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 10/16/2023] [Indexed: 12/02/2023] Open
Abstract
BACKGROUND Several methods have been reported for detecting resistance genes or phenotypic testing on the day of positive blood culture in Escherichia coli or Klebsiella pneumoniae bacteremia. However, some facilities have not introduced these methods because of costs or other reasons. Toyota Kosei Hospital introduced cefpodoxime (CPDX) rapid screening on May 7, 2018, to enable early detection of third-generation cephalosporin resistance. In this study, we aimed to evaluate the effects of intervention with an Antimicrobial Stewardship Team using CPDX rapid screening. METHODS Cefotaxime (CTX)-resistant E. coli or K. pneumoniae bacteremia cases were selected retrospectively and divided into two groups: the pre-CPDX screening (June 1, 2015, to May 6, 2018) and CPDX screening groups (July 7, 2018, to August 31, 2021). The primary outcome was the proportion of cases in which modifications were made to the administration of susceptible antimicrobial agents within 24 h of blood culture-positive reports. RESULTS Overall, 63 patients in the pre-CPDX screening group and 84 patients in the CPDX screening group were eligible for analysis. The proportion of patients who modified to susceptible antimicrobial agents within 24 h of blood culture-positive reports was significantly increased in the CPDX screening group compared to that in the pre-CPDX screening group (6.3% vs. 22.6%, p = 0.010). CONCLUSION The results demonstrated that in CTX-resistant E. coli or K. pneumoniae bacteremia, CPDX rapid screening increased the proportion of early initiation of appropriate antimicrobial agents.
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Affiliation(s)
- Mikiyasu Sakai
- Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-Ku, Nagoya, Aichi, 468-8503, Japan.
- Department of Pharmacy, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan.
| | - Takamasa Sakai
- Drug Informatics, Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-Ku, Nagoya, Aichi, 468-8503, Japan
| | - Yuki Nagata
- Department of Clinical Laboratory, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan
| | - Hiroko Komai
- Department of Infection Control, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan
| | - Yoshio Miyake
- Department of Pharmacy, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan
| | - Toshitaka Watariguchi
- Department of General Internal Medicine, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan
| | - Atsushi Kawabata
- Department of Infection Control, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan
- Department of Infectious Disease, Toyota Kosei Hospital, 500-1, Ibobara, Toyota, Jousui-Cho, 470-0396, Japan
| | - Fumiko Ohtsu
- Drug Informatics, Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-Ku, Nagoya, Aichi, 468-8503, Japan
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Kawahara D, Jensen A, Yuan J, Nagata Y, Watanabe Y. Predicting the BRAF mutation with pretreatment MRI radiomics features for melanoma brain metastases receiving Gamma Knife radiosurgery. Clin Radiol 2023; 78:e934-e940. [PMID: 37690975 DOI: 10.1016/j.crad.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 08/17/2023] [Accepted: 08/20/2023] [Indexed: 09/12/2023]
Abstract
AIM To develop a model using radiomics features extracted from magnetic resonance imaging (MRI) images of Gamma Knife radiosurgery (GKRS) to predict the BRAF mutation in patients with melanoma brain metastases (MBM). MATERIALS AND METHODS Data of 220 tumours were classified into two groups. One was a group whose BRAF mutation was identified, and the other group whose BRAF mutation was not identified. We extracted 1,962 radiomics features from gadolinium contrast-enhanced T1-weighted MRI treatment-planning images. Synthetic Minority Over-sampling TEchnique (SMOTE) was performed to address the unbalanced data-related issues. A single-layer neural network (NN) was used to build predictive models with radiomics features. The sensitivity, specificity, accuracy, and the area under the curve (AUC) were evaluated to assess the model performance. RESULTS The prediction performance for the final evaluation without the SMOTE had an accuracy of 77.14%, a specificity of 82.44%, a sensitivity of 81.85%, and an AUC of 0.79. The application of SMOTE improved the prediction model to an accuracy of 83.1%, a specificity of 87.07%, a sensitivity of 78.82%, and an AUC of 0.82. CONCLUSION The current study showed the feasibility of generating a highly accurate NN model for the BRAF mutation prediction. The prediction performance improved with SMOTE. The model assists physicians to obtain more accurate expectations of the treatment outcome without a genetic test.
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Affiliation(s)
- D Kawahara
- Department of Radiation Oncology, Institute of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan.
| | | | - J Yuan
- Department of Radiation Oncology, University of Minnesota-Twin Cities, Minneapolis, MN, USA
| | - Y Nagata
- Department of Radiation Oncology, Institute of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Y Watanabe
- Department of Radiation Oncology, University of Minnesota-Twin Cities, Minneapolis, MN, USA
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18
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Jeong S, Ohto T, Nishiuchi T, Nagata Y, Fujita J, Ito Y. Suppression of Methanol and Formate Crossover through Sulfanilic-Functionalized Holey Graphene as Proton Exchange Membranes. Adv Sci (Weinh) 2023; 10:e2304082. [PMID: 37688335 PMCID: PMC10625063 DOI: 10.1002/advs.202304082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/04/2023] [Indexed: 09/10/2023]
Abstract
Proton exchange membranes with high proton conductivity and low crossover of fuel molecules are required to realize advanced fuel-cell technology. The selective transportation of protons, which occurs by blocking the transportation of fuel molecules across a proton exchange membrane, is crucial to suppress crossover while maintaining a high proton conductivity. In this study, a simple yet powerful method is proposed for optimizing the crossover-conductivity relationship by pasting sulfanilic-functionalized holey graphenes onto a Nafion membrane. The results show that the sulfanilic-functionalized holey graphenes supported by the membrane suppresses the crossover by 89% in methanol and 80% in formate compared with that in the self-assembled Nafion membrane; an ≈60% reduction is observed in the proton conductivity. This method exhibits the potential for application in advanced fuel cells that use methanol and formic acid as chemical fuels to achieve high energy efficiency.
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Affiliation(s)
- Samuel Jeong
- Institute of Applied PhysicsGraduate School of Pure and Applied SciencesUniversity of Tsukuba1‐1‐1 TennodaiTsukubaIbaraki305‐8571Japan
| | - Tatsuhiko Ohto
- Department of Materials Design Innovation EngineeringNagoya UniversityFuro‐choChikusa‐kuAichi464‐8603Japan
- Graduate School of Engineering ScienceOsaka University1‐3 MachikaneyamaToyonakaOsaka560‐8531Japan
| | - Tomohiko Nishiuchi
- Department of ChemistryGraduate School of ScienceOsaka University1‐1 MachikaneyamaToyonakaOsaka560‐0043Japan
| | - Yuki Nagata
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Jun‐ichi Fujita
- Institute of Applied PhysicsGraduate School of Pure and Applied SciencesUniversity of Tsukuba1‐1‐1 TennodaiTsukubaIbaraki305‐8571Japan
| | - Yoshikazu Ito
- Institute of Applied PhysicsGraduate School of Pure and Applied SciencesUniversity of Tsukuba1‐1‐1 TennodaiTsukubaIbaraki305‐8571Japan
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Kawahara D, Nishioka R, Murakami Y, Emoto Y, Iwashita K, Kubota H, Sasaki R, Nagata Y. A Nomogram Based on Pretreatment Radiomics and Dosiomics Features for Predicting Overall Survival for Esophageal Squamous Cell Cancer: Multi-Institutional Study. Int J Radiat Oncol Biol Phys 2023; 117:e470-e471. [PMID: 37785496 DOI: 10.1016/j.ijrobp.2023.06.1678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The current study aims to propose a nomogram-based 2- and 3-years survival prediction model for esophageal squamous cell carcinoma treated by definitive radiotherapy using pretreatment computed tomography (CT), positron emission tomography (FDG PET) radiomic features and dosiomics features in addition to the common clinical factors using multi-institution data. MATERIALS/METHODS Data of 112 patients from one institution and 28 patients from the other institution were retrospectively collected. Radiomics and dosiomics features were extracted using five segmentations on CT and PET images and dose distribution. The least absolute shrinkage and selection operator (LASSO) with logistic regression was used to select radiomics and dosiomics features by calculating the radiomics and dosiomics scores (Rad-score and Dos-score), respectively, in the training model. The predictive clinical factors, Rad-score, and Dos-score were identified to develop a nomogram model. RESULTS We extracted 15219 features from the radiomics and dosiomics analysis. By LASSO Cox regression analysis, 13 CT-based radiomics features, 11 PET-based radiomics features, and 19 dosiomics features were selected. Clinical factors of T-stage, N-stage, and clinical stage were selected as significant prognostic factors by univariate Cox regression analysis. A predictive nomogram for prognosis in was established using these factors. In the external validation cohort, the C-index of the combined model of CT-based radiomics, PET-based radiomics, and dosiomics features with clinical factors were 0.74, 0.82, and 0.92, respectively. Moreover, we divided the cohort into high-risk and low-risk groups using the median nomogram score. Significant differences in overall survival (OS) in the combine model of CT-based radiomics, PET-based radiomics, and dosiomics features with clinical factors were observed between the high-risk and low-risk groups (P = 0.019, P = 0.038, and 0.014, respectively). CONCLUSION The current study established and validated 2- and 3-year survival prediction models based on radiomics and dosiomics features with clinical factors. The prediction model with dosiomics analysis could better predict OS than CT- and PET-based radiomics analysis in esophageal cancer patients treated with radiotherapy.
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Affiliation(s)
- D Kawahara
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - R Nishioka
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Y Murakami
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Y Emoto
- Department of Radiation Oncology, Hyogo Cancer Center, Kobe, Japan
| | - K Iwashita
- Kobe Minimally invasive Cancer Center, Kobe, Japan
| | - H Kubota
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - R Sasaki
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Y Nagata
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
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Aoki R, Dote S, Oogi S, Nagata Y, Ueda K, Terao E, Nakakura S. Evaluation of New and Preexisting Epiretinal Membranes Following Glaucoma Filtration Surgery. Cureus 2023; 15:e46441. [PMID: 37927709 PMCID: PMC10622603 DOI: 10.7759/cureus.46441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/03/2023] [Indexed: 11/07/2023] Open
Abstract
Secondary epiretinal membranes (ERMs) can develop from various causes, including those associated with glaucoma treatments such as trabeculectomy (TLE) and EX-PRESS (EXP) insertion surgery. This study aimed to investigate the occurrence of new ERMs and changes in preexisting ERMs following TLE or EXP insertion. Between April 2018 and March 2019, 102 and 74 eyes that underwent primary and standalone TLE and EXP insertion, respectively, were evaluated. Of these, 48 eyes were included in the TLE group and 32 eyes were included in the EXP group. Optical coherence tomography (OCT) was used to assess preoperative and postoperative ERMs. In the TLE group, postoperative ERMs were observed in one (case 1) (3%) out of 34 eyes without preexisting ERMs and in one (case 2) (7%) out of 14 eyes with preexisting ERMs, showing an increase in ERM stage. In the EXP group, postoperative ERMs were observed in one (case 3) (5%) out of 22 eyes without preexisting ERMs and in one (case 4) (10%) out of 10 eyes with preexisting ERMs, showing a decrease in the ERM stage. Case 1 was a 58-year-old man with primary open-angle glaucoma (POAG) in the left eye who underwent TLE. Although no preoperative ERMs were observed, postoperative ERM was noted at the three-month follow-up. Case 2 was a 49-year-old man with POAG in the right eye who underwent TLE. Although ERM was observed preoperatively, ERM progressed at six months postoperatively. Case 3 was a 59-year-old woman with POAG in the right eye who underwent EXP insertion. No preoperative ERMs were observed, but an ERM was noted at the 15-month follow-up. Case 4 was a 72-year-old woman with steroid-induced glaucoma in the right eye who underwent EXP insertion surgery. A preoperative ERM was present, and the foveal pit was absent; however, the foveal pit was observed at the 12-month follow-up. Despite the low incidence of ERMs, filtration surgery may be associated with ERM development and the progression or regression of preexisting ERMs.
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Affiliation(s)
- Ryota Aoki
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Saki Dote
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Satomi Oogi
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Yuki Nagata
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Kanae Ueda
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
| | - Etsuko Terao
- Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, JPN
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Miura H, Kenjo M, Doi Y, Ueda T, Nakao M, Ozawa S, Nagata Y. Changes in Target Coverage and Dose to the Normal Brain during Fractionated Stereotactic Radiotherapy for Metastatic Brain Tumors. Int J Radiat Oncol Biol Phys 2023; 117:e698. [PMID: 37786046 DOI: 10.1016/j.ijrobp.2023.06.2180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Fractionated stereotactic radiotherapy (SRT) has been applied to large brain metastases to reduce the risk of radiation necrosis. For fractionated SRT, potential of interfractional tumor changes during the treatment period, such as tumor size, shape, and geometry, must be considered to improve the tumor local control. Our center performs adaptive re-planning for large brain metastases based on repeat MRI verification with a contrast agent in the middle of the treatment period. Purpose of this study is to evaluate the dosimetric impact of the changes in tumor size, shape, and geometry on the doses to the targets and normal brain in patients with brain metastases undergoing fractionated SRT. MATERIALS/METHODS Fifteen solitary large intracranial metastatic lesions treated with fractionated SRT were investigated. Standardized planning MRI (MRI-1) and repeat verification MRI (MRI-2) were performed during the middle of the irradiation period. The GTV on the MRI-1 and MRI-2 scans was contoured by the same oncologist. The PTV was created by adding an isotropic margin of 1 mm from the GTV in all directions. Volumetric modulated arc therapy (VMAT) with beam energies of 6 MV (flattening filter-free mode) was used and plans were normalized such that PTV D95% or D98% was equal to the prescribed dose. Beam configuration and intensity on the initial VMAT plan were used to evaluate the dose to the tumor and the normal brain on MRI-2. We evaluated the impact of D98% on the GTV using the plans on the MRI-1 and MRI-2 scans. For the normal brain, the V90%, V80%, and V50% were investigated. RESULTS The median GTV changed from 9.8 cc (range of 3.2-33.0 cc) to 9.7 cc (range of 2.8-36.5 cc) (p = 0.482). Three and four tumors exhibited volume shrinkage and enlargement changes of >10%. Five tumors exhibited volume shrinkage and enlargement changes of <10%. Three tumors showed no volume changes. Of the 15 large brain metastases, 12 tumors required treatment plan modification. The dosimetric parameters of the GTV, PTV, and normal brain did not significantly differ between the MRI-1 and MRI-2 scans. Regarding the tumor dose, the D98% to the GTV increased in patients with tumor shrinkage because of dose inhomogeneity and decreased in patients with tumor enlargement. The V90%, V80%, and V50% increase with decreasing tumor volumes and were linearly related to the tumor volume difference, with a coefficient of determination of 0.97, 0.98, and 0.97, respectively. CONCLUSION Our study demonstrated the usefulness of repeat verification MRI for adaptive radiotherapy in the middle of the treatment period due to changes in tumor size, shape, and geometry in patients with brain metastases. Repeated MRI should be considered to evaluate the dose to the target and normal brain, which improves tumor local control and reduces brain necrosis, to reduce the magnitude of underdosing to the target or overdosing to the normal brain during the treatment period.
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Affiliation(s)
- H Miura
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan; Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
| | - M Kenjo
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan; Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
| | - Y Doi
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan; Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
| | - T Ueda
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan
| | - M Nakao
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan; Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
| | - S Ozawa
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan; Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
| | - Y Nagata
- Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan; Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
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Kurajoh M, Fukumoto S, Akari S, Murase T, Nakamura T, Ihara Y, Imai T, Nagata Y, Morioka T, Mori K, Imanishi Y, Watanabe T, Emoto M. Association of plasma xanthine oxidoreductase activity with vascular endothelial function independent of serum uric acid level: MedCity21 health examination registry. Int J Cardiol Heart Vasc 2023; 48:101264. [PMID: 37680549 PMCID: PMC10480664 DOI: 10.1016/j.ijcha.2023.101264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/13/2023] [Accepted: 08/19/2023] [Indexed: 09/09/2023]
Abstract
Background Xanthine oxidoreductase (XOR) inhibitor administration, known to reduce uric acid and reactive oxygen species (ROS) production, also improves vascular endothelial function (VEF). This cross-sectional study examined our hypothesis that XOR contributes to impaired VEF through ROS but not uric acid production. Methods In 395 subjects (196 males, 199 females) without urate-lowering agent administration who underwent a health examination, plasma XOR activity was determined using our highly sensitive assay based on [13C2,15N2] xanthine and liquid chromatography/triple quadrupole mass spectrometry. For VEF evaluation, flow-mediated dilatation (FMD) in the brachial artery was determined by ultrasound, with physical and laboratory measurements also obtained. Results The median values for plasma XOR activity, serum uric acid, and FMD were 26.6 pmol/h/mL, 5.4 mg/dL, and 6.2%, respectively. Simple regression analysis showed weak correlations of both log plasma XOR activity and serum uric acid level with FMD (r = -0.213, p < 0.001 and r = -0.139, p = 0.006, respectively). However, multivariable linear regression analyses revealed that log plasma XOR activity but not serum uric acid level remained associated with FMD (β = -0.116, p = 0.037 and β = 0.041, p = 0.549, respectively) after adjustments for various clinical parameters, with no remarkable inconsistencies for the association observed in subgroups divided based on sex or uric acid level. Finally, a series of mediation analyses showed that serum uric acid level did not meet the criteria for mediator of the association of plasma XOR activity with FMD (p = 0.538). Conclusions These findings suggest the possibility that XOR contributes to the pathophysiology of impaired VEF through ROS but not uric acid production.
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Affiliation(s)
- Masafumi Kurajoh
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Shinya Fukumoto
- Department of Premier Preventive Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Seigo Akari
- Department of Research and Development, Sanwa Kagaku Kenkyusho Co., Ltd., Aichi 461-8631, Japan
| | - Takayo Murase
- Department of Research and Development, Sanwa Kagaku Kenkyusho Co., Ltd., Aichi 461-8631, Japan
| | - Takashi Nakamura
- Department of Research and Development, Sanwa Kagaku Kenkyusho Co., Ltd., Aichi 461-8631, Japan
| | - Yasutaka Ihara
- Department of Medical Statistics, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Takumi Imai
- Department of Medical Statistics, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Yuki Nagata
- Department of Vascular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Tomoaki Morioka
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Katsuhito Mori
- Department of Nephrology, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Yasuo Imanishi
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Toshio Watanabe
- Department of Premier Preventive Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Masanori Emoto
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
- Department of Nephrology, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
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23
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Doi Y, Nagata Y, Matsumo Y, Numata K, Sasaki R, Yamada T, Igaki H, Imagumbai T, Katoh N, Yoshitake T, Shimizuguchi T, Fujioka D, Inoue M, Koide Y, Kimura T, Ito Y. Multicenter Retrospective Study of Stereotactic Body Radiotherapy for Patients with Previously Untreated Initial Small Hepatocellular Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e293. [PMID: 37785079 DOI: 10.1016/j.ijrobp.2023.06.1290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The effectiveness of stereotactic body radiation therapy (SBRT) for hepatocellular carcinoma (HCC) has been shown in many studies and its therapeutic effect is similar to radiofrequency ablation (RFA). However, many of these studies were done in combination with transcatheter chemoembolization (TACE), for recurrent HCC, or on a small scale. To better understand the specific outcomes of SBRT for HCC, we conducted a multicenter retrospective analysis of SBRT for previously untreated initial HCC at Japanese Society of Clinical Oncology (JCOG) member hospitals. MATERIALS/METHODS Patientswho underwent SBRT for HCC at JCOG member hospitals between July 2013 and December 2017 and met the following eligibility criteria were included: (1) initial HCC; (2) ≤ 3 nodules, ≤ 5 cm in diameter; (3) a Child-Pugh (CP) score of A or B; and (4) unsuitability for or refusal of standard treatment, such as surgery, transplantation, RFA and TACE. We evaluated the overall survival (OS), recurrence-free survival (RFS) which was defined as the first instance of intra-hepatic recurrence after SBRT, disease-specific survival (DSS) using Kaplan-Meier analysis. Using Grey's test, patients who died of other diseases were analyzed as competing risks to estimate the cumulative incidence of local recurrence (CLR). Adverse events directly related to SBRT also analyzed using Common Terminology Criteria for Adverse Events version 5.0 (CTCAE v5.0). RESULTS Seventy-three patients with 79 lesions from 14 hospitals were analyzed. The median age was 77 years (range; 50-89 years), and the median tumor size was 23 mm (range; 6-50 mm). The median radiation dose was 40 Gy (range; 35-60 Gy) in five fractions (range; 4-8). The median follow-up period was 45 months (range; 0-103 months). There were three cases where follow-up was not possible due to unexpected events unrelated to SBRT, while the remaining 70 patients were successfully followed for at least six months. The 2 and 3year OS, RFS, DSS, and CLR rates were 84.3% (95% CI: 75.8-92.8%) and 69.9% (95% CI: 58.7-81%), 67.5% (95% CI: 56.0-79.0%) and 57.9% (95% CI: 45.2-70.5%), 95.1% (95% CI:89.7-100%)/87.6% (95% CI:78.8-96.3%), and 11.4% (95% CI: 5.3-20.0%) and 20.0% (95% CI: 11.2-30.5%), respectively. Four cases (5.5%) of adverse events of grade 3 or higher were reported: one case of grade 3 laboratory toxicities, one case of grade 3 liver failure, one case of grade 3 portal tumor thrombosis, and one case of grade 4 duodenal ulcer. No grade 5 toxicities were observed. CONCLUSION The results of our study demonstrate that SBRT for HCC is highly effective in achieving local control and is safe to administer. In addition, survival outcomes are favorable. SBRT is a promising treatment modality, especially for small HCCs for that is not suitable for standard treatment.
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Affiliation(s)
- Y Doi
- Department of Radiation Oncology, Hiroshima High-precision Radiotherapy Cancer Center, Hiroshima, Japan
| | - Y Nagata
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - Y Matsumo
- Department of Radiation oncology, Niigata cancer center hospital, Niigata, Japan
| | - K Numata
- Department of Gastroenterology, Yokohama City University Medical Center, Yokohama, Japan
| | - R Sasaki
- Department of Gastroenterology and Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - T Yamada
- University of Yamanashi, Chuo, Japan
| | - H Igaki
- Department of Radiation Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - T Imagumbai
- Kobe City Medical Center General Hospital, Kobe, Japan
| | - N Katoh
- Department of Radiation Oncology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - T Yoshitake
- Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - T Shimizuguchi
- Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - D Fujioka
- Department of Radiation Oncology, Tsukuba University Hospital, Ibaraki, Japan
| | - M Inoue
- Department of Radiation Oncology and Image-applied Therapy, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Y Koide
- Aichi Cancer Center Hospital, Nagoya, Japan
| | - T Kimura
- Department of Radiation Oncology, Kochi University Hospital, Kochi, Japan
| | - Y Ito
- Department of Radiation Oncology, Showa University Hospital, Tokyo, Japan
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24
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Murakami Y, Miyoshi S, Katsuta T, Hirokawa J, Imano N, Nishibuchi I, Nagata Y. Laryngo-Esophageal Dysfunction Free Survival of Chemoradiation for Cervical Esophageal Cancer. Int J Radiat Oncol Biol Phys 2023; 117:e327. [PMID: 37785159 DOI: 10.1016/j.ijrobp.2023.06.2374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Chemoradiotherapy is often the treatment of choice for cervical esophageal cancer due to the invasiveness of surgery. However, toxicity after chemoradiotherapy often affects the quality of life related to swallowing and speech. This study evaluated laryngoesophageal dysfunction-free survival (LEDFS) in patients with cervical esophageal cancer, which has recently been used in head and neck cancer. MATERIALS/METHODS We analyzed 59 patients with cervical esophageal cancer without distant metastases other than supraclavicular lymph node metastases who received radical chemoradiotherapy with 5-fluorouracilplus platinum between 2002 and 2018. Loco-regional control (LRC), overall survival (OS), LEDFS, metachronous esophageal cancer incidence rates, and late toxicities were evaluated. LEDFS events were defined as death, local recurrence, total or partial laryngectomy, tracheostomy for more than 2 years, and feeding tube use for more than 2 years, as recommended by the Larynx Preservation Consensus Panel. The Kaplan-Meier method was used to calculate survival rates. The generalized Wilcoxon test was used to compare the two groups. The Common Terminology Criteria for Adverse Events v5.0 was used to assess toxicities. RESULTS The median age was 66 years (range, 38-83). There were 13 women and 46 men. Stage I, II, III, IVA, and IVB disease according to UICC 8th staging were 15, 9, 9, 10, and 16 patients, respectively. 22 received conventional radiotherapy and 37 received volumetric modulated arc therapy. The median total irradiation dose was 66 Gy. Platinum plus 5-fluorouracil chemotherapy was administered to all patients. The median follow-up for survivors was 87.5 months. The 5-year LRC, OS, and LEDFS rates were 54.2%, 48.9%, and 41.9%, respectively. The prognostic factors for OS were performance status (PS), hypopharyngeal extension, and clinical stage in univariate analysis and only clinical stage (hazard ratio [HR] 3.87, 95% Confidence interval [CI]: 1.52-9.87, p<0.01) in multivariate analysis; the prognostic factors for LEDFS were PS, hypopharyngeal extension and clinical stage in univariate analysis and hypopharyngeal extension (HR 2.38, 95% CI: 1.12-5.03, p = 0.02) and clinical stage (HR 4.07, 95% CI: 1.48-11.06, p<0.02) in multivariate analysis. Metachronous esophageal cancer was observed in 28.6% of patients at 5 years. As severe late toxicities, grade 3 pneumonitis, esophageal stricture, esophageal fistula, laryngeal stricture, and laryngeal edema were observed in 1 (2%), 1 (2%) and 4 (7%), 1 (2%) and 1 (2%), respectively. Grade 2 hypothyroidism was observed in 31 (53%) patients. CONCLUSION Chemoradiation for cervical esophageal cancer showed good results. The prognostic factors for LEDFS were pharyngeal extension and clinical stage. Late esophageal and laryngeal toxicity, hypothyroidism, and metachronous esophageal cancer should be noted.
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Affiliation(s)
- Y Murakami
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - S Miyoshi
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - T Katsuta
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - J Hirokawa
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - N Imano
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - I Nishibuchi
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - Y Nagata
- Department of Radiation Oncology, Institute of Biomedical & Health Science, Hiroshima University, Hiroshima, Japan
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Nishibuchi I, Murakami Y, Miyoshi S, Katsuta T, Imano N, Hirokawa J, Nagata Y. Impact of the G8 Score on Treatment Strategies and Outcome in Definitive Radiotherapy for the Elderly Esophageal Cancer Patients. Int J Radiat Oncol Biol Phys 2023; 117:e329. [PMID: 37785163 DOI: 10.1016/j.ijrobp.2023.06.2378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Although chemoradiotherapy (CRT) is widely used as a curative treatment for esophageal cancer, it is often difficult to perform standard CRT for the elderly in the real world. This study aimed to investigate the impact of the Geriatric 8 (G8) score on treatment strategies and outcome in definitive radiotherapy (RT) for elderly esophageal cancer patients. MATERIALS/METHODS We analyzed 81 esophageal cancer patients aged ≥65 years who received definitive RT between 2018 and 2021. The G8 score was acquired at the first visit to the radiation oncology department. The treatment strategy was decided by a multi-disciplinary conference, and the G8 score was not used to determine the treatment strategy. Standard treatment (standard CRT) was defined as RT with elective nodal irradiation and a total dose ≥50 Gy, and chemotherapy with two cycles of platinum (70 mg/m2) and 5FU (700 mg/m2 for 4 days) concurrently. The Kaplan-Meier method was used to generate actual survival curves. The Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 was used to assess toxicities. The Mann-Whitney U test was used to compare the two groups, and statistical significance was set at p<0.05. The Receiver Operating Characteristic (ROC) curve was used to calculate the cutoff value. RESULTS The Median follow-up time was 30 months (range: 8-51) for survivors. The mean G8 scores by treatment strategy were 13.9 (range: 9-17) for standard CRT group (n = 26), 12.1 (range: 7-16) for reduced CRT group (n = 30), and 9.7 (range: 4.5-14) for RT alone group (n = 25). G8 score was significantly higher for standard CRT (p = 0.017) and significantly lower for RT alone (p<0.01). The cut-off value of the G8 score for standard treatment, calculated by the ROC curve, was 12.5 points. In the non-standard treatment group, the cut-off value of the G8 score for RT alone, calculated by the ROC curve, was 10.5 points. The 2-year overall survival (OS) rates for standard CRT, reduced CRT and RT alone were 74%, 71% and 35%, respectively, and significantly lower in RT alone (p<0.001). The 2-years OS rates for G8 score >10.5 points and ≤10.5 points were 69% and 48%, respectively (p = 0.039). Grade 3 or higher acute toxicities were observed in 33 patients (41%); 14 (54%) in standard CRT, 17 (57%) in reduced CRT and 2 (8%) in RT alone. Grade 5 acute toxicity was not observed. G8 scores tended to be higher in the patients with grade 3 or higher acute toxicities, but the difference was not statistically significant (p = 0.057). Grade 3 or higher late toxicities were observed in 7 patients. CONCLUSION Our results suggest that there is an association between the G8 score and clinicians' treatment decisions. Although RT alone could be safely performed even in patients with low G8 scores, administration of chemotherapy strongly affected prognosis. These results suggest the importance of developing less toxic systemic therapy regimens for patients with low G8 scores.
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Affiliation(s)
- I Nishibuchi
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - Y Murakami
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - S Miyoshi
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - T Katsuta
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - N Imano
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - J Hirokawa
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
| | - Y Nagata
- Department of Radiation Oncology, Hiroshima University, Hiroshima, Japan
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Imano N, Kawahara D, Nishioka R, Koike K, Katsuta T, Hirokawa J, Saito A, Nishibuchi I, Murakami Y, Nagata Y. Predictive Modeling of Radiation Pneumonitis Induced by Chemoradiotherapy for Locally Advanced Non-Small Cell Lung Cancer Using Radiomics and Clinical Features. Int J Radiat Oncol Biol Phys 2023; 117:e26. [PMID: 37784995 DOI: 10.1016/j.ijrobp.2023.06.704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The purpose of this study is to establish a prediction model for the development of grade 2 or higher radiation pneumonitis (RP) using radiomics analysis of pretreatment CT images, PET images, and dose distribution, in addition to clinical factors, in patients with locally advanced non-small cell lung cancer (NSCLC) treated with radical chemoradiotherapy. MATERIALS/METHODS We retrospectively evaluated 128 cases of locally advanced NSCLC treated with radical radiotherapy at our institution from 2008 to 2021. Clinical factors included age, sex, performance status (PS), KL-6, smoking history, histological type, clinical stage, and total radiation dose. Radiomics analysis was performed by analyzing treatment planning CT images, PET images, and dose distribution, and Rad-score (Radiomics-score) was calculated for the extracted features using Lasso-Cox regression. Rad-score (Radiomics-score) was calculated by Lasso-Cox regression for the extracted features. Risk factors were selected by univariate/multivariate analysis of clinical factors and Rad-score. Three models for predicting RP were developed from the identified risk factors using Nomogram: Clinical, Rad-score, and Combined model. The model was evaluated using area under the curve (AUC) based on receiver operating characteristic (ROC) curves and concordance index (C-index). RP was evaluated using the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. The cumulative incidence of Grade 2 or higher RP was evaluated using the Kaplan-Meier method. RESULTS Of the 128 cases, grade 2 or higher RP was observed in 50 cases (39%). Regarding clinical factors, gender, smoking status, and histology were selected as significant predictors of RP. Lasso-Cox analysis of radiomics features selected 11 features from CT images, 7 features from PET images, and 16 features from dose distribution as predictors of RP, yielding a total of 34 factors. The combined model (C-index: 0.96, AUC: 0.92) showed the best discrimination performance compared to the clinical model (C-index: 0.73, AUC: 0.56) and the Rad-score model (C-index: 0.87, AUC: 0.92). Risk classification using the combined model showed that the 1-year cumulative incidence of grade 2 or higher RP was 65% in the high-risk group, significantly higher than 15% in the low-risk group (p<0.001). CONCLUSION The combined model with Rad-score and clinical factors can predict grade 2 or higher RP in NSCLC patients with high accuracy.
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Affiliation(s)
- N Imano
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - D Kawahara
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - R Nishioka
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - K Koike
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - T Katsuta
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - J Hirokawa
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - A Saito
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - I Nishibuchi
- Department of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - Y Murakami
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Y Nagata
- Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University, Hiroshima, Japan
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Litman Y, Lan J, Nagata Y, Wilkins DM. Fully First-Principles Surface Spectroscopy with Machine Learning. J Phys Chem Lett 2023; 14:8175-8182. [PMID: 37671886 PMCID: PMC10510433 DOI: 10.1021/acs.jpclett.3c01989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 08/29/2023] [Indexed: 09/07/2023]
Abstract
Our current understanding of the structure and dynamics of aqueous interfaces at the molecular level has grown substantially due to the continuous development of surface-specific spectroscopies, such as vibrational sum-frequency generation (VSFG). As in other vibrational spectroscopies, we must turn to atomistic simulations to extract all of the information encoded in the VSFG spectra. The high computational cost associated with existing methods means that they have limitations in representing systems with complex electronic structure or in achieving statistical convergence. In this work, we combine high-dimensional neural network interatomic potentials and symmetry-adapted Gaussian process regression to overcome these constraints. We show that it is possible to model VSFG signals with fully ab initio accuracy using machine learning and illustrate the versatility of our approach on the water/air interface. Our strategy allows us to identify the main sources of theoretical inaccuracy and establish a clear pathway toward the modeling of surface-sensitive spectroscopy of complex interfaces.
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Affiliation(s)
- Yair Litman
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Jinggang Lan
- Department
of Chemistry, New York University, New York, New York 10003, United States
- Simons
Center for Computational Physical Chemistry at New York University, New York, New York 10003, United States
| | - Yuki Nagata
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - David M. Wilkins
- Centre
for Quantum Materials and Technologies School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, Northern Ireland, United Kingdom
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28
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Kaygisiz K, Rauch-Wirth L, Dutta A, Yu X, Nagata Y, Bereau T, Münch J, Synatschke CV, Weil T. Data-mining unveils structure-property-activity correlation of viral infectivity enhancing self-assembling peptides. Nat Commun 2023; 14:5121. [PMID: 37612273 PMCID: PMC10447463 DOI: 10.1038/s41467-023-40663-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/01/2023] [Indexed: 08/25/2023] Open
Abstract
Gene therapy via retroviral vectors holds great promise for treating a variety of serious diseases. It requires the use of additives to boost infectivity. Amyloid-like peptide nanofibers (PNFs) were shown to efficiently enhance retroviral gene transfer. However, the underlying mode of action of these peptides remains largely unknown. Data-mining is an efficient method to systematically study structure-function relationship and unveil patterns in a database. This data-mining study elucidates the multi-scale structure-property-activity relationship of transduction enhancing peptides for retroviral gene transfer. In contrast to previous reports, we find that not the amyloid fibrils themselves, but rather µm-sized β-sheet rich aggregates enhance infectivity. Specifically, microscopic aggregation of β-sheet rich amyloid structures with a hydrophobic surface pattern and positive surface charge are identified as key material properties. We validate the reliability of the amphiphilic sequence pattern and the general applicability of the key properties by rationally creating new active sequences and identifying short amyloidal peptides from various pathogenic and functional origin. Data-mining-even for small datasets-enables the development of new efficient retroviral transduction enhancers and provides important insights into the diverse bioactivity of the functional material class of amyloids.
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Affiliation(s)
- Kübra Kaygisiz
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Lena Rauch-Wirth
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstraße 1, 89081, Ulm, Germany
| | - Arghya Dutta
- Department Polymer Theory, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Institute of Biochemistry II, Faculty of Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt, Germany
| | - Xiaoqing Yu
- Department Molecular Spectroscopy, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Yuki Nagata
- Department Molecular Spectroscopy, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Tristan Bereau
- Department Polymer Theory, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Institute for Theoretical Physics, Heidelberg University, Philosophenweg 19, 69120, Heidelberg, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstraße 1, 89081, Ulm, Germany
| | - Christopher V Synatschke
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany.
| | - Tanja Weil
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany.
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Nakakura S, Maruoka S, Chikama T, Nagata Y, Terao E, Ueda K, Dote S, Oogi S. Case report: Medical treatment for limbal epithelial stem cell deficiency in patients treated for glaucoma. Front Med (Lausanne) 2023; 10:1161568. [PMID: 37484863 PMCID: PMC10356986 DOI: 10.3389/fmed.2023.1161568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/14/2023] [Indexed: 07/25/2023] Open
Abstract
Limbal epithelial stem cell deficiency (LSCD) is an abnormal corneal epithelial lesion with several causes. The patient was diagnosed using fluorescein staining. Bullous keratopathy, multiple surgeries, and drug-related damage can cause LSCD in glaucoma patients. We evaluated the medical treatment course for LSCD in patients with glaucoma. We retrospectively reviewed the electronic medical records of patients diagnosed with LSCD and investigated their background, course of treatment, and classification stages of LSCD before and after treatment. The global consensus classification system (stages IA-C, IIA-B, and III) proposed by Deng et al. (Cornea 2020) was used. Seven patients (two males) and eight eyes were studied. The median age of the patients was 82 years, and the mean duration of glaucoma treatment was 8 years. The patients had open-angle glaucoma (four eyes), exfoliation glaucoma (one eye), neovascular glaucoma (one eye), normal tension glaucoma (one eye), and uveitic glaucoma (one eye). Stage classifications at diagnosis were stage IA in four eyes and stages IC, IIA, IIB, and III in one eye each. All treatments were carried out with dry eye drops, steroid eye drops, and antibiotics. The mean duration of treatment was 1.4 years. The classifications at the time of the final visit were normal corneal epithelium (three eyes), stage IA (two eyes), IIA (one eye), and III (two eyes). Three eyes (37%) improved by more than one stage and one eye deteriorated by more than one stage. LSCD is long-lasting and difficult to treat in a short period; thus, it requires careful medical attention.
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Affiliation(s)
- Shunsuke Nakakura
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Sachiko Maruoka
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
- Ikuno Eye Clinic, Osaka, Japan
| | - Taiichiro Chikama
- Department of Ophthalmology and Visual Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Yuki Nagata
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Etsuko Terao
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Kanae Ueda
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Saki Dote
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Satomi Oogi
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
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Matsumura F, Yu CC, Yu X, Chiang KY, Seki T, Bonn M, Nagata Y. Does the Sum-Frequency Generation Signal of Aromatic C-H Vibrations Reflect Molecular Orientation? J Phys Chem B 2023. [PMID: 37284731 DOI: 10.1021/acs.jpcb.3c01225] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Organic molecules with aromatic groups at the aqueous interfaces play a central role in atmospheric chemistry, green chemistry, and on-water synthesis. Insights into the organization of interfacial organic molecules can be obtained using surface-specific vibrational sum-frequency generation (SFG) spectroscopy. However, the origin of the aromatic C-H stretching mode peak is unknown, prohibiting us from connecting the SFG signal to the interfacial molecular structure. Here, we explore the origin of the aromatic C-H stretching response by heterodyne-detected SFG (HD-SFG) at the liquid/vapor interface of benzene derivatives and find that, irrespective of the molecular orientation, the sign of the aromatic C-H stretching signals is negative for all the studied solvents. Together with density functional theory (DFT) calculations, we reveal that the interfacial quadrupole contribution dominates, even for the symmetry-broken benzene derivatives, although the dipole contribution is non-negligible. We propose a simple evaluation of the molecular orientation based on the aromatic C-H peak area.
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Affiliation(s)
- Fumiki Matsumura
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Graduate School of Science and Technology, Hirosaki University, Hirosaki, Aomori 036-8561, Japan
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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Aoki K, Nishito Y, Motoi N, Arai Y, Hiraoka N, Shibata T, Sonobe Y, Kayukawa Y, Hashimoto E, Takahashi M, Fujii E, Nishizawa T, Fukuda H, Ohashi K, Arai K, Mizoguchi Y, Yoshida Y, Watanabe SI, Yamashita M, Kitano S, Sakamoto H, Nagata Y, Mitsumori R, Ozaki K, Niida S, Kanai Y, Hirayama A, Soga T, Maruyama T, Tsukada K, Yabuki N, Shimada M, Kitazawa T, Natori O, Sawada N, Kato A, Yoshida T, Yasuda K, Mizuno H, Tsunoda H, Ochiai A. Tumor-infiltrating Leukocyte Profiling Defines Three Immune Subtypes of NSCLC with Distinct Signaling Pathways and Genetic Alterations. Cancer Res Commun 2023; 3:1026-1040. [PMID: 37377611 PMCID: PMC10263066 DOI: 10.1158/2767-9764.crc-22-0415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 02/02/2023] [Accepted: 05/17/2023] [Indexed: 06/29/2023]
Abstract
Resistance to immune checkpoint blockade remains challenging in patients with non-small cell lung cancer (NSCLC). Tumor-infiltrating leukocyte (TIL) quantity, composition, and activation status profoundly influence responsiveness to cancer immunotherapy. This study examined the immune landscape in the NSCLC tumor microenvironment by analyzing TIL profiles of 281 fresh resected NSCLC tissues. Unsupervised clustering based on numbers and percentages of 30 TIL types classified adenocarcinoma (LUAD) and squamous cell carcinoma (LUSQ) into the cold, myeloid cell-dominant, and CD8+ T cell-dominant subtypes. These were significantly correlated with patient prognosis; the myeloid cell subtype had worse outcomes than the others. Integrated genomic and transcriptomic analyses, including RNA sequencing, whole-exome sequencing, T-cell receptor repertoire, and metabolomics of tumor tissue, revealed that immune reaction-related signaling pathways were inactivated, while the glycolysis and K-ras signaling pathways activated in LUAD and LUSQ myeloid cell subtypes. Cases with ALK and ROS1 fusion genes were enriched in the LUAD myeloid subtype, and the frequency of TERT copy-number variations was higher in LUSQ myeloid subtype than in the others. These classifications of NSCLC based on TIL status may be useful for developing personalized immune therapies for NSCLC. Significance The precise TIL profiling classified NSCLC into novel three immune subtypes that correlates with patient outcome, identifying subtype-specific molecular pathways and genomic alterations that should play important roles in constructing subtype-specific immune tumor microenvironments. These classifications of NSCLC based on TIL status are useful for developing personalized immune therapies for NSCLC.
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Affiliation(s)
- Kazunori Aoki
- Department of Immune Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Yukari Nishito
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Noriko Motoi
- Department of Diagnostic Pathology, National Cancer Center Hospital, Chuo-ku, Tokyo, Japan
| | - Yasuhito Arai
- Divison of Cancer Genomics, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Nobuyoshi Hiraoka
- Department of Analytical Pathology, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Tatsuhiro Shibata
- Divison of Cancer Genomics, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Yukiko Sonobe
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Yoko Kayukawa
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Eri Hashimoto
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Mina Takahashi
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Etsuko Fujii
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Takashi Nishizawa
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Hironori Fukuda
- Department of Immune Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Kana Ohashi
- Department of Immune Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Kosuke Arai
- Department of Immune Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Yukihiro Mizoguchi
- Department of Immune Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Yukihiro Yoshida
- Department of Thoracic Surgery, National Cancer Center Hospital, Chuo-ku, Tokyo, Japan
| | - Shun-ichi Watanabe
- Department of Thoracic Surgery, National Cancer Center Hospital, Chuo-ku, Tokyo, Japan
| | - Makiko Yamashita
- Advanced Medical Development Center, Cancer Research Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo, Japan
| | - Shigehisa Kitano
- Advanced Medical Development Center, Cancer Research Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo, Japan
| | - Hiromi Sakamoto
- Department of Clinical Genomics, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Yuki Nagata
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
- Bioresource Research Center, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Risa Mitsumori
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Kouichi Ozaki
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Shumpei Niida
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Yae Kanai
- Department of Pathology, School of Medicine, Keio University, Sinjyuku-ku, Tokyo, Japan
| | - Akiyoshi Hirayama
- Institute for Advanced Biosciences, Keio University Tsuruoka, Yamagata, Japan
| | - Tomoyoshi Soga
- Institute for Advanced Biosciences, Keio University Tsuruoka, Yamagata, Japan
| | - Toru Maruyama
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Keisuke Tsukada
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Nami Yabuki
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Mei Shimada
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Takehisa Kitazawa
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Osamu Natori
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Noriaki Sawada
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Atsuhiko Kato
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Teruhiko Yoshida
- Department of Genetic Medicine and Services, National Cancer Center Hospital, Chuo-ku, Tokyo, Japan
| | - Kazuki Yasuda
- National Center for Global Health and Medicine, Shinjuku-ku, Tokyo, Japan
| | - Hideaki Mizuno
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Hiroyuki Tsunoda
- Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., Kamakura, Kanagawa, Japan
| | - Atsushi Ochiai
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan
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Maltseva D, Chatterjee S, Yu CC, Brzezinski M, Nagata Y, Gonella G, Murthy AC, Stachowiak JC, Fawzi NL, Parekh SH, Bonn M. Fibril formation and ordering of disordered FUS LC driven by hydrophobic interactions. Nat Chem 2023:10.1038/s41557-023-01221-1. [PMID: 37231298 PMCID: PMC10396963 DOI: 10.1038/s41557-023-01221-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 04/25/2023] [Indexed: 05/27/2023]
Abstract
Biomolecular condensates, protein-rich and dynamic membrane-less organelles, play critical roles in a range of subcellular processes, including membrane trafficking and transcriptional regulation. However, aberrant phase transitions of intrinsically disordered proteins in biomolecular condensates can lead to the formation of irreversible fibrils and aggregates that are linked to neurodegenerative diseases. Despite the implications, the interactions underlying such transitions remain obscure. Here we investigate the role of hydrophobic interactions by studying the low-complexity domain of the disordered 'fused in sarcoma' (FUS) protein at the air/water interface. Using surface-specific microscopic and spectroscopic techniques, we find that a hydrophobic interface drives fibril formation and molecular ordering of FUS, resulting in solid-like film formation. This phase transition occurs at 600-fold lower FUS concentration than required for the canonical FUS low-complexity liquid droplet formation in bulk. These observations highlight the importance of hydrophobic effects for protein phase separation and suggest that interfacial properties drive distinct protein phase-separated structures.
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Affiliation(s)
- Daria Maltseva
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Sayantan Chatterjee
- Max Planck Institute for Polymer Research, Mainz, Germany
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Mateusz Brzezinski
- Max Planck Institute for Polymer Research, Mainz, Germany
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Grazia Gonella
- Max Planck Institute for Polymer Research, Mainz, Germany
- Institute of Biochemistry and Bringing Materials to Life Initiative, ETH Zurich, Zürich, Switzerland
| | - Anastasia C Murthy
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, USA
| | - Jeanne C Stachowiak
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA
| | - Nicolas L Fawzi
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, USA
| | - Sapun H Parekh
- Max Planck Institute for Polymer Research, Mainz, Germany.
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Mainz, Germany.
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Chiang KY, Matsumura F, Yu CC, Qi D, Nagata Y, Bonn M, Meister K. True Origin of Amide I Shifts Observed in Protein Spectra Obtained with Sum Frequency Generation Spectroscopy. J Phys Chem Lett 2023:4949-4954. [PMID: 37213084 DOI: 10.1021/acs.jpclett.3c00391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Accurate determination of protein structure at interfaces is critical for understanding protein interactions, which is directly relevant to a molecular-level understanding of interfacial proteins in biology and medicine. Vibrational sum frequency generation (VSFG) spectroscopy is often used for probing the protein amide I mode, which reports protein structures at interfaces. Observed peak shifts are attributed to conformational changes and often form the foundation of hypotheses explaining protein working mechanisms. Here, we investigate structurally diverse proteins using conventional and heterodyne-detected VSFG (HD-VSFG) spectroscopy as a function of solution pH. We reveal that blue-shifts of the amide I peak observed in conventional VSFG spectra upon lowering the pH are governed by the drastic change of the nonresonant contribution. Our results highlight that connecting changes in conventional VSFG spectra to conformational changes of interfacial proteins can be arbitrary, and that HD-VSFG measurements are required to draw unambiguous conclusions about structural changes in biomolecules.
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Affiliation(s)
- Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
| | | | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Daizong Qi
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Konrad Meister
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
- Department of Chemistry and Biochemistry, Boise State University, Boise, Idaho 83725, United States
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Abstract
In typical aqueous systems, including naturally occurring sweet and salt water and tap water, multiple ion species are co-solvated. At the water-air interface, these ions are known to affect the chemical reactivity, aerosol formation, climate, and water odor. Yet, the composition of ions at the water interface has remained enigmatic. Here, using surface-specific heterodyne-detected sum-frequency generation spectroscopy, we quantify the relative surface activity of two co-solvated ions in solution. We find that more hydrophobic ions are speciated to the interface due to the hydrophilic ions. Quantitative analysis shows that the interfacial hydrophobic ion population increases with decreasing interfacial hydrophilic ion population at the interface. Simulations show that the solvation energy difference between the ions and the intrinsic surface propensity of ions determine the extent of an ion's speciation by other ions. This mechanism provides a unified view of the speciation of monatomic and polyatomic ions at electrolyte solution interfaces.
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Affiliation(s)
- Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Graduate School of Science and Technology, Hirosaki University, Hirosaki 036-8561, Aomori, Japan
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Alessandro Greco
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Fumiki Matsumura
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
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Nagata Y, Kukobat R, Furuse A, Otsuka H, Hayashi T, Kaneko K. Designed Production of Atomic-Scale Nanowindows in Single-Walled Carbon Nanotubes. Langmuir 2023; 39:5911-5916. [PMID: 37052535 DOI: 10.1021/acs.langmuir.3c00422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
The controlled production of nanowindows in graphene layers is desirable for the development of ultrathin membranes. Herein, we propose a single-atom catalytic oxidation method for introducing nanowindows into the graphene layers of single-walled carbon nanotubes (SWCNTs). Using liquid-phase adsorption, copper(II) 2,3,9,10,16,17,23,24-octakis(octyloxy)-29H,31H-phthalocyanine (CuPc) was adsorbed on SWCNT bundles at a surface coverage of 0.9. Subsequently, narrow nanowindows with a number density of 0.13 nm-2 were produced by oxidation above 550 K, which is higher than the decomposition temperature of bulk CuPc. In particular, oxidation of the CuPc-adsorbed SWCNTs at 623 K increased the surface area from 280 to 1690 m2 g-1 owing to the efficient production of nanowindows. The nanowindow size was estimated to be similar to the molecular size of N2 based on the pronounced low-pressure adsorption hysteresis in the N2 adsorption isotherm. In addition, the enthalpy change for the nanowindow-formation equilibrium decreased by 4 kJ mol-1 when CuPc was present, further evidencing the catalytic effect of the Cu atoms supplied by the adsorbed CuPc molecules.
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Affiliation(s)
- Yuki Nagata
- Department of Science and Technology, Interdisciplinary Graduate School of Science and Technology, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
- Kotobuki Co., Ltd., Kitakyushu City, Fukuoka 802-8540, Japan
| | - Radovan Kukobat
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
- Department of Chemical Engineering and Technology, Faculty of Technology, University of Banja Luka, V. S. Stepanovica 73, Banja Luka 78000, Bosnia and Herzegovina
| | - Ayumi Furuse
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
| | - Hayato Otsuka
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
| | - Takuya Hayashi
- Department of Science and Technology, Interdisciplinary Graduate School of Science and Technology, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
| | - Katsumi Kaneko
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
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Inoue K, Litman Y, Wilkins DM, Nagata Y, Okuno M. Is Unified Understanding of Vibrational Coupling of Water Possible? Hyper-Raman Measurement and Machine Learning Spectra. J Phys Chem Lett 2023; 14:3063-3068. [PMID: 36947156 DOI: 10.1021/acs.jpclett.3c00398] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The impact of the vibrational coupling of the OH stretch mode on the spectra differs significantly between IR and Raman spectra of water. Unified understanding of the vibrational couplings is not yet achieved. By using a different class of vibrational spectroscopy, hyper-Raman (HR) spectroscopy, together with machine-learning-assisted HR spectra calculation, we examine the impact of the vibrational couplings of water through the comparison of isotopically diluted H2O and pure H2O. We found that the isotopic dilution reduces the HR bandwidths, but the impact of the vibrational coupling is smaller than in the IR and parallel-polarized Raman. Machine learning HR spectra indicate that the intermolecular coupling plays a major role in broadening the bandwidth, while the intramolecular coupling is negligibly small, which is consistent with the IR and Raman spectra. Our result clearly demonstrates a limited impact of the intramolecular vibration, independent of the selection rules of vibrational spectroscopies.
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Affiliation(s)
- Kazuki Inoue
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan
| | - Yair Litman
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - David M Wilkins
- Atomistic Simulation Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, Northern Ireland, United Kingdom
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Masanari Okuno
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan
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Hayashi K, Tanaka Y, Tsuda T, Nomura A, Fujino N, Furusho H, Sakai N, Iwata Y, Usui S, Sakata K, Kato T, Tada H, Kusayama T, Usuda K, Kawashiri MA, Passman RS, Wada T, Yamagishi M, Takamura M, Fujino N, Nohara A, Kawashiri MA, Hayashi K, Sakata K, Yoshimuta T, Konno T, Funada A, Tada H, Nakanishi C, Hodatsu A, Mori M, Tsuda T, Teramoto R, Nagata Y, Nomura A, Shimojima M, Yoshida S, Yoshida T, Hachiya S, Tamura Y, Kashihara Y, Kobayashi T, Shibayama J, Inaba S, Matsubara T, Yasuda T, Miwa K, Inoue M, Fujita T, Yakuta Y, Aburao T, Matsui T, Higashi K, Koga T, Hikishima K, Namura M, Horita Y, Ikeda M, Terai H, Gamou T, Tama N, Kimura R, Tsujimoto D, Nakahashi T, Ueda K, Ino H, Higashikata T, Kaneda T, Takata M, Yamamoto R, Yoshikawa T, Ohira M, Suematsu T, Tagawa S, Inoue T, Okada H, Kita Y, Fujita C, Ukawa N, Inoguchi Y, Ito Y, Araki T, Oe K, Minamoto M, Yokawa J, Tanaka Y, Mori K, Taguchi T, Kaku B, Katsuda S, Hirase H, Haraki T, Fujioka K, Terada K, Ichise T, Maekawa N, Higashi M, Okeie K, Kiyama M, Ota M, Todo Y, Aoyama T, Yamaguchi M, Noji Y, Mabuchi T, Yagi M, Niwa S, Takashima Y, Murai K, Nishikawa T, Mizuno S, Ohsato K, Misawa K, Kokado H, Michishita I, Iwaki T, Nozue T, Katoh H, Nakashima K, Ito S, Yamagishi M. Correction: Characterization of baseline clinical factors associated with incident worsening kidney function in patients with non-valvular atrial fibrillation: the Hokuriku-Plus AF Registry. Heart Vessels 2023; 38:412. [PMID: 36508013 DOI: 10.1007/s00380-022-02218-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Kenshi Hayashi
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Yoshihiro Tanaka
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.,Center for Arrhythmia Research, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Toyonobu Tsuda
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Akihiro Nomura
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Noboru Fujino
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Hiroshi Furusho
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.,Department of Cardiology, Ishikawa Prefectural Central Hospital, 2-1, Kuratsuki-higashi, Kanazawa, Japan
| | - Norihiko Sakai
- Department of Nephrology and Laboratory Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa, Japan
| | - Yasunori Iwata
- Department of Nephrology and Laboratory Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa, Japan
| | - Soichiro Usui
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Kenji Sakata
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Takeshi Kato
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Hayato Tada
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Takashi Kusayama
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Keisuke Usuda
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Masa-Aki Kawashiri
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Rod S Passman
- Center for Arrhythmia Research, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Takashi Wada
- Department of Nephrology and Laboratory Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa, Japan
| | - Masakazu Yamagishi
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.,Osaka University of Human Sciences, Settsu, Osaka, Japan
| | - Masayuki Takamura
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
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Wang Y, Seki T, Liu X, Yu X, Yu CC, Domke KF, Hunger J, Koper MTM, Chen Y, Nagata Y, Bonn M. Direct Probe of Electrochemical Pseudocapacitive pH Jump at a Graphene Electrode. Angew Chem Int Ed Engl 2023; 62:e202216604. [PMID: 36592114 DOI: 10.1002/anie.202216604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/21/2022] [Accepted: 01/02/2023] [Indexed: 01/03/2023]
Abstract
Molecular-level insight into interfacial water at a buried electrode interface is essential in electrochemistry, but spectroscopic probing of the interface remains challenging. Here, using surface-specific heterodyne-detected sum-frequency generation (HD-SFG) spectroscopy, we directly access the interfacial water in contact with the graphene electrode supported on calcium fluoride (CaF2 ). We find phase transition-like variations of the HD-SFG spectra vs. applied potentials, which arises not from the charging/discharging of graphene but from the charging/discharging of the CaF2 substrate through the pseudocapacitive process. The potential-dependent spectra are nearly identical to the pH-dependent spectra, evidencing that the pseudocapacitive behavior is associated with a substantial local pH change induced by water dissociation between the CaF2 and graphene. Our work evidences the local molecular-level effects of pseudocapacitive charging at an electrode/aqueous electrolyte interface.
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Affiliation(s)
- Yongkang Wang
- School of Mechanical Engineering, Southeast University, 211189, Nanjing, China.,Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Takakazu Seki
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Xuan Liu
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333CC, Leiden (The, Netherlands
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Katrin F Domke
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany.,University Duisburg-Essen, Faculty of Chemistry, Universitätsstraße 5, 45141, Essen, Germany
| | - Johannes Hunger
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Marc T M Koper
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333CC, Leiden (The, Netherlands
| | - Yunfei Chen
- School of Mechanical Engineering, Southeast University, 211189, Nanjing, China
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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Wang Y, Seki T, Yu X, Yu CC, Chiang KY, Domke KF, Hunger J, Chen Y, Nagata Y, Bonn M. Chemistry governs water organization at a graphene electrode. Nature 2023; 615:E1-E2. [PMID: 36859590 DOI: 10.1038/s41586-022-05669-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 12/19/2022] [Indexed: 03/03/2023]
Affiliation(s)
- Yongkang Wang
- School of Mechanical Engineering, Southeast University, Nanjing, China
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Takakazu Seki
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Mainz, Germany
| | | | - Katrin F Domke
- Max Planck Institute for Polymer Research, Mainz, Germany
- Faculty of Chemistry, University Duisburg-Essen, Essen, Germany
| | | | - Yunfei Chen
- School of Mechanical Engineering, Southeast University, Nanjing, China.
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Mainz, Germany.
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Mainz, Germany.
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Yu X, Chiang KY, Yu CC, Bonn M, Nagata Y. On the Fresnel factor correction of sum-frequency generation spectra of interfacial water. J Chem Phys 2023; 158:044701. [PMID: 36725499 DOI: 10.1063/5.0133428] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Insights into the microscopic structure of aqueous interfaces are essential for understanding the chemical and physical processes on the water surface, including chemical synthesis, atmospheric chemistry, and events in biomolecular systems. These aqueous interfaces have been probed by heterodyne-detected sum-frequency generation (HD-SFG) spectroscopy. To obtain the molecular response from the measured HD-SFG spectra, one needs to correct the measured ssp spectra for local electromagnetic field effects at the interface due to a spatially varying dielectric function. This so-called Fresnel factor correction can change the inferred response substantially, and different ways of performing this correction lead to different conclusions about the interfacial water response. Here, we compare the simulated and experimental spectra at the air/water interface. We use three previously developed models to compare the experiment with theory: an advanced approach taking into account the detailed inhomogeneous interfacial dielectric profile and the Lorentz and slab models to approximate the interfacial dielectric function. Using the advanced model, we obtain an excellent quantitative agreement between theory and experiment, in both spectral shape and amplitude. Remarkably, we find that for the Fresnel factor correction of the ssp spectra, the Lorentz model for the interfacial dielectric function is equally accurate in the hydrogen (H)-bonded region of the response, while the slab model underestimates this response significantly. The Lorentz model, thus, provides a straightforward method to obtain the molecular response from the measured spectra of aqueous interfaces in the H-bonded region.
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Affiliation(s)
- Xiaoqing Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Kuo-Yang Chiang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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41
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Wang Y, Seki T, Liu X, Yu X, Yu CC, Domke KF, Hunger J, Koper MTM, Chen Y, Nagata Y, Bonn M. Direct Probe of Electrochemical Pseudocapacitive pH Jump at a Graphene Electrode. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202216604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yongkang Wang
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Takakazu Seki
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Xuan Liu
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Xiaoqing Yu
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Chun-Chieh Yu
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Katrin F. Domke
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Johannes Hunger
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Marc T. M. Koper
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Yunfei Chen
- Southeast University School of Mechanical Engineering CHINA
| | - Yuki Nagata
- Max Planck Institute for Polymer Research: Max-Planck-Institut fur Polymerforschung Molecular Spectroscopy Ackermannweg 10 55128 Mainz GERMANY
| | - Mischa Bonn
- Max-Planck-Institut für Polymerforschung: Max-Planck-Institut fur Polymerforschung Molekular Spektroskopie Ackermannweg 10 55128 Mainz GERMANY
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Nagata Y, Moritani N, Amano K, Arimura Y, Nakatsuji K, Kato S, Mikami A, Matsumura T, Iida S. Mandibular Condylar Displacement and the Associated Factors Following Intraoral Vertical Ramus Osteotomy. Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology 2023. [DOI: 10.1016/j.ajoms.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Aoki R, Terao E, Dote S, Shiraishi M, Oogi S, Ueda K, Kimura Y, Nagata Y, Nakakura S. Efficacy and safety of a fixed combination of 1% brinzolamide and 0.1% brimonidine as treatment for glaucoma: a retrospective study focusing on the number of ingredients. BMJ Open Ophthalmol 2022; 7:bmjophth-2022-001200. [PMID: 36799023 PMCID: PMC9809237 DOI: 10.1136/bmjophth-2022-001200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 12/21/2022] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE To evaluate the intraocular pressure (IOP)-lowering effect based on the number of ingredients and survival rate due to adverse reactions of brinzolamide (1%)/brimonidine (0.1%) fixed combination (BBFC). METHODS AND ANALYSIS Among 424 patients newly administered BBFC from June 2020 to May 2021, 406 were retrospectively evaluated for adverse reactions and 299 were evaluated for the IOP-lowering effect of BBFC. Among those evaluated for IOP, group A (n=86) included patients whose treatment was changed to BBFC from other two ingredients, Group B (n=90) included patients who added one ingredient by switching to BBFC, and group C (n=123) included patients who added BBFC in addition to other drugs. RESULTS The mean IOP (mm Hg) at BBFC initiation and at 3, 6 and 12 months after BBFC initiation was 14.1, 14.0, 14.3 and 13.8 in group A, 15.9, 14.4, 13.8 and 14.5 in group B and 17.2, 14.0, 14.1 and 14.9 in group C, respectively. Group A showed no significant difference in mean IOP from baseline to any time point after BBFC initiation, whereas groups B and C showed significant IOP reductions at all time points. Seventy-three (18%) patients discontinued treatment due to adverse reactions. The survival rate was 72% at 12 months after the start of BBFC when discontinuation due to adverse reactions was defined as failure. CONCLUSION Using BBFC, sustained IOP or decreasing IOP were observed depending on the number of ingredients. Drop-outs due to the adverse reactions should also be given attention.
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Affiliation(s)
- Ryota Aoki
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Etsuko Terao
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Saki Dote
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Miku Shiraishi
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Satomi Oogi
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Kanae Ueda
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Yui Kimura
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Yuki Nagata
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
| | - Shunsuke Nakakura
- Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji, Japan
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Toi N, Imanishi Y, Nagata Y, Kurajoh M, Morioka T, Shoji T, Shinto Y, Emoto M. Improvement in the mobility of a patient with fibroblast growth factor 23-related hypophosphatemic osteomalacia and decompensated liver cirrhosis in response to burosumab: a case report. Endocr J 2022; 70:419-426. [PMID: 36575021 DOI: 10.1507/endocrj.ej22-0520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Acquired fibroblast growth factor (FGF) 23-related hypophosphatemic osteomalacia is characterized clinically by muscle weakness, bone pain, and fractures. Its biochemical features include hypophosphatemia, caused by renal phosphate wasting, and inappropriately normal or low 1,25-dihydroxy-vitamin D levels. Recently, burosumab, a fully human monoclonal antibody targeting FGF23, was approved for the treatment of FGF23-related hypophosphatemic rickets and osteomalacia. We report the case of a 75-year-old Japanese woman with decompensated liver cirrhosis and hepatic encephalopathy, caused by primary biliary cholangitis, who complained of back pain and limited mobility resulting from multiple vertebral fractures. She was not receiving iron infusion therapy and denied alcohol consumption. The patient exhibited hypophosphatemia with a low tubular maximum reabsorption of phosphate per unit glomerular filtration rate (TmP/GFR) and a high circulating concentration of FGF23. Conventional therapy with alfacalcidol and oral phosphate slightly improved her serum phosphate concentration and back pain, but she experienced a hip fracture, causing her to become wheelchair-dependent. Burosumab was initiated 8 weeks after the hip fracture, which increased her serum phosphate concentration and TmP/GFR. Her mobility gradually improved, such that she could walk without a cane after 16 weeks of treatment. Her lumbar bone mineral density increased after 48 weeks. Hepatic encephalopathy developed once before the initiation of treatment and twice after the initiation of the therapy, but her liver function was preserved. This is the first study to report the efficacy and safety of burosumab treatment for FGF23-related hypophosphatemic osteomalacia with decompensated liver cirrhosis.
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Affiliation(s)
- Norikazu Toi
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Yasuo Imanishi
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Yuki Nagata
- Department of Vascular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Masafumi Kurajoh
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Tomoaki Morioka
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Tetsuo Shoji
- Department of Vascular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Yoshitaka Shinto
- Shinto Orthopedics and Rheumatology Clinic, Osaka 545-0052, Japan
| | - Masanori Emoto
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
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Urakawa M, Yasukawa A, Hoshino Y, Ota M, Hatamoto H, Hirao S, Zama T, Nagata Y, Yoshiyama T. TB-related technical enquiries received in Japan, 2017-2019. Public Health Action 2022; 12:206-209. [PMID: 36561899 PMCID: PMC9716821 DOI: 10.5588/pha.22.0053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 10/03/2022] [Indexed: 12/05/2022] Open
Abstract
SETTING Japan, an intermediate TB burden country. OBJECTIVE To review TB-related technical enquiries received at the Research Institute of Tuberculosis, Japan, from January 2017 to December 2019. DESIGN This was a cohort study. RESULTS A total of 2,197 enquiries were analysed. On average, 61.0 enquiries/month (range: 42-81) were received. The enquiry rates were highest for the Yamanashi (4.65/100,000 population) and Ishikawa (4.55) Prefectures, and lowest in the Yamagata (0.46) and Tochigi (0.56) Prefectures. The main organisations the enquirers belonged to were local governments (n = 1,585, 72.1%) and healthcare facilities (n = 307, 14.0%). The enquirers were medical doctors (n = 391, 17.8%), nurses (n = 1,207, 54.9%), other healthcare professionals (n = 57, 2.6%), the general public (n = 168, 7.6%) and others/unknown (n = 374, 17.0%). The most frequent enquiries were about TB diagnosis and treatment (n = 501, 22.8%), including laboratory diagnosis (n = 88, 4.0%), TB treatment in general (n = 93, 4.2%) and management of comorbidities (n = 86, 3.9%), followed by contact investigations (n = 385, 17.5%) and TB in foreigners (n = 344, 15.7%). CONCLUSION As the most frequent enquiries were about diagnosis and treatment of TB, the health ministry of Japan should maintain a few specialised TB institutions with TB physicians to provide technical assistance.
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Affiliation(s)
- M. Urakawa
- Research Institute of Tuberculosis, Tokyo, Japan
| | - A. Yasukawa
- Research Institute of Tuberculosis, Tokyo, Japan
| | - Y. Hoshino
- Research Institute of Tuberculosis, Tokyo, Japan
| | - M. Ota
- Research Institute of Tuberculosis, Tokyo, Japan
| | - H. Hatamoto
- Research Institute of Tuberculosis, Tokyo, Japan
| | - S. Hirao
- Research Institute of Tuberculosis, Tokyo, Japan
| | - T. Zama
- Research Institute of Tuberculosis, Tokyo, Japan
| | - Y. Nagata
- Research Institute of Tuberculosis, Tokyo, Japan
| | - T. Yoshiyama
- Research Institute of Tuberculosis, Tokyo, Japan
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Nagata Y, Watanabe R, Eichhorn C, Ohno S, Aiba T, Ishikawa T, Nakano Y, Aizawa Y, Hayashi K, Murakoshi N, Nakajima T, Yagihara N, Mishima H, Sudo T, Higuchi C, Takahashi A, Sekine A, Makiyama T, Tanaka Y, Watanabe A, Tachibana M, Morita H, Yoshiura KI, Tsunoda T, Watanabe H, Kurabayashi M, Nogami A, Kihara Y, Horie M, Shimizu W, Makita N, Tanaka T. Targeted deep sequencing analyses of long QT syndrome in a Japanese population. PLoS One 2022; 17:e0277242. [PMID: 36480497 PMCID: PMC9731492 DOI: 10.1371/journal.pone.0277242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 10/22/2022] [Indexed: 12/13/2022] Open
Abstract
Long QT syndrome (LQTS) is one of the most common inherited arrhythmias and multiple genes have been reported as causative. Presently, genetic diagnosis for LQTS patients is becoming widespread and contributing to implementation of therapies. However, causative genetic mutations cannot be detected in about 20% of patients. To elucidate additional genetic mutations in LQTS, we performed deep-sequencing of previously reported 15 causative and 85 candidate genes for this disorder in 556 Japanese LQTS patients. We performed in-silico filtering of the sequencing data and found 48 novel variants in 33 genes of 53 cases. These variants were predicted to be damaging to coding proteins or to alter the binding affinity of several transcription factors. Notably, we found that most of the LQTS-related variants in the RYR2 gene were in the large cytoplasmic domain of the N-terminus side. They might be useful for screening of LQTS patients who had no known genetic factors. In addition, when the mechanisms of these variants in the development of LQTS are revealed, it will be useful for early diagnosis, risk stratification, and selection of treatment.
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Affiliation(s)
- Yuki Nagata
- Bioresourse Research Center, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Department of Human Genetics and Disease Diversity, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Ryo Watanabe
- Department of Human Genetics and Disease Diversity, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Christian Eichhorn
- Department of Human Genetics and Disease Diversity, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Private University of the Principality of Liechtenstein, Triesen, Liechtenstein
| | - Seiko Ohno
- Department of Bioscience and Genetics, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Takeshi Aiba
- Devision of Arrhythmia, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Taisuke Ishikawa
- Omics Research Center, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Yukiko Nakano
- Department of Cardiovascular Medicine, Hiroshima University, Hiroshima, Japan
| | - Yoshiyasu Aizawa
- Department of Cardiology, International University of Health and Welfare Narita Hospital, Narita, Japan
| | - Kenshi Hayashi
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Nobuyuki Murakoshi
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Tadashi Nakajima
- Department of Cardiovascular Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Nobue Yagihara
- Department of Cardiovascular Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hiroyuki Mishima
- Department of Human Genetics, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Takeaki Sudo
- Institute of Education, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Chihiro Higuchi
- Artificial Intelligence Center for Health and Biomedical Research, National Institutes of Biomedical Innovation, Health and Nutrition, Ibaraki, Japan
| | - Atsushi Takahashi
- Department of Genomic Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Akihiro Sekine
- Department of Infection and Host Defense, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Takeru Makiyama
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshihiro Tanaka
- Center for Arrhythmia Research, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
| | - Atsuyuki Watanabe
- Department of Cardiology, National Hospital Organization Okayama Medical Center, Okayama, Japan
| | - Motomi Tachibana
- Department of Cardiology, Sakakibara heart institute of Okayama, Okayama, Japan
| | - Hiroshi Morita
- Department of Cardiovascular Therapeutics, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Koh-ichiro Yoshiura
- Department of Human Genetics, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
- Division of Advanced Preventive Medical Sciences and Leading Medical Research Core Unit, Nagasaki Univerisity Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tatsuhiko Tsunoda
- Laboratory for Medical Science Mathematics, Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo, Japan
- Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Hiroshi Watanabe
- Department of Cardiovascular Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Masahiko Kurabayashi
- Department of Cardiovascular Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akihiko Nogami
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yasuki Kihara
- Department of Cardiovascular Medicine, Hiroshima University, Hiroshima, Japan
| | - Minoru Horie
- Department of Cardiovascular Medicine, Shiga University of Medical Science, Otsu, Japan
| | - Wataru Shimizu
- Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
| | - Naomasa Makita
- Omics Research Center, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Toshihiro Tanaka
- Bioresourse Research Center, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Department of Human Genetics and Disease Diversity, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- * E-mail:
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Nishibuchi I, Murakami Y, Miyoshi S, Kubo K, Katsuta T, Imano N, Nagata Y. Usefulness of the G8 Screening Tool in Determining Treatment Strategies for Definitive Radiotherapy of Esophageal Cancer in the Elderly. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Imano N, Saito T, Nakamura N, Ito K, Yorozu A, Nishibuchi I, Murakami Y, Nagata Y. Pain Response Rates after Conventional Radiation Therapy for Bone Metastases Assessed Using International Consensus Pain Response Endpoints: A Systematic Review and Meta-Analysis of Initial Radiation Therapy and Re-Irradiation. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Strunge K, Madzharova F, Jensen F, Weidner T, Nagata Y. Theoretical Sum Frequency Generation Spectra of Protein Amide with Surface-Specific Velocity-Velocity Correlation Functions. J Phys Chem B 2022; 126:8571-8578. [PMID: 36194760 DOI: 10.1021/acs.jpcb.2c04321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Vibrational sum frequency generation (vSFG) spectroscopy is widely used to probe the protein structure at interfaces. Because protein vSFG spectra are complex, they can only provide detailed structural information if combined with computer simulations of protein molecular dynamics and spectra calculations. We show how vSFG spectra can be accurately modeled using a surface-specific velocity-velocity scheme based on ab initio normal modes. Our calculated vSFG spectra show excellent agreement with the experimental sum frequency spectrum of LTα14 peptide and provide insight into the origin of the characteristic α-helical amide I peak. Analysis indicates that the peak shape can be explained largely by two effects: (1) the uncoupled response of amide groups located on opposite sides of the α-helix will have different orientations with respect to the interface and therefore different local environments affecting the local mode vibrations and (2) vibrational splitting from nearest neighbor coupling evaluated as inter-residue vibrational correlation. The conclusion is consistent with frequency mapping techniques with an empirically based ensemble of peptide structures, thus showing how time correlation approaches and frequency mapping techniques can give independent yet complementary molecular descriptions of protein vSFG. These models reveal the sensitive relationship between protein structure and their amide I response, allowing exploitation of the complicated molecular vibrations and their interference to derive the structures of proteins under native conditions at interfaces.
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Affiliation(s)
- Kris Strunge
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - Fani Madzharova
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - Frank Jensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - Tobias Weidner
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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Nagata Y, Bonn M. Biomolecular Chirality Is Imprinted on One Layer of Hydration Water. ACS Cent Sci 2022; 8:1380-1382. [PMID: 36313160 PMCID: PMC9615119 DOI: 10.1021/acscentsci.2c01148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
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