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Sato Y, Yoshihisa A, Nozaki Y, Ohara H, Sugawara Y, Abe S, Misaka T, Sato T, Oikawa M, Kobayashi A, Yamaki T, Nakazato K, Takeishi Y. Geriatric Nutritional Risk Index predicts bleeding event in patients with heart failure. ESC Heart Fail 2024; 11:702-708. [PMID: 38115750 DOI: 10.1002/ehf2.14631] [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: 05/04/2023] [Revised: 10/10/2023] [Accepted: 11/23/2023] [Indexed: 12/21/2023] Open
Abstract
AIMS We aimed to elucidate the association between malnutrition and the occurrence of bleeding events in patients with heart failure. METHODS AND RESULTS We evaluated the nutritional status of patients with heart failure [n = 2044, median (inter-quartile range) age 69.0 (59.0-78.0) years, 1209 (59.1%) males] using the Geriatric Nutritional Risk Index (GNRI). The primary endpoint was a composite of bleeding events such as haemorrhagic stroke or gastrointestinal bleeding. According to the survival classification and regression tree analysis, the accurate cut-off point of GNRI for predicting the primary endpoint was 106.2. We divided the patients into two groups based on GNRI levels: high GNRI group (GNRI ≥ 106.2, n = 606, 29.6%) and low GNRI group (GNRI < 106.2, n = 1438, 70.4%). We compared the patients' characteristics and prognosis between the two groups. The low GNRI group was older [72.0 (63.0-79.0) vs. 63.0 (53.0-73.0) years, P < 0.001] and had a lower prevalence of male sex (56.9% vs. 64.5%, P = 0.001). There were no differences in the use of antiplatelet agents and anticoagulants between the two groups. Levels of B-type natriuretic peptide were higher [321.1 (123.3-667.4) vs. 111.6 (42.6-235.4) pg/mL, P < 0.001] and levels of haemoglobin were lower [12.4 (10.8-13.7) vs. 14.2 (12.9-15.4) g/dL, P < 0.001] in the low GNRI group. The Kaplan-Meier analysis demonstrated that bleeding event rates were higher in the low GNRI group (log-rank P < 0.001). The multivariable Cox proportional hazard analysis revealed that low GNRI (hazard ratio 1.952, 95% confidence interval 1.002-3.805, P = 0.049) was associated with bleeding events. CONCLUSIONS Heart failure patients with poor nutritional status, determined by GNRI under 106.2, experienced high bleeding event rates. Comprehensive management is required to avoid bleeding event in those populations.
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Affiliation(s)
- Yu Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
- Department of Clinical Laboratory Sciences, Fukushima Medical University, Fukushima, Japan
| | - Yuji Nozaki
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Himika Ohara
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yukiko Sugawara
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takamasa Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Atsushi Kobayashi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takayoshi Yamaki
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kazuhiko Nakazato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yasuchika Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
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Maity B, Kameyama S, Tian J, Pham TT, Abe S, Chatani E, Murata K, Ueno T. Fusion of amyloid beta with ferritin yields an isolated oligomeric beta-sheet-rich aggregate inside the ferritin cage. Biomater Sci 2024. [PMID: 38511491 DOI: 10.1039/d4bm00173g] [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: 03/22/2024]
Abstract
Alzheimer's disease is a severe brain condition caused by the formation of amyloid plaques composed of amyloid beta (Aβ) peptides. These peptides form oligomers, protofibrils, and fibrils before deposition into amyloid plaques. Among these intermediates, Aβ oligomers (AβOs) were found to be the most toxic and therefore an appealing target for drug development and understanding their role in the disease. However, precise isolation and characterization of AβOs have proven challenging because AβOs tend to aggregate and form heterogeneous mixtures in solution. As a solution, we genetically fused the Aβ peptide with a ferritin monomer. Such fusion allowed the encapsulation of precisely 24 Aβ peptides inside the 24-mer ferritin cage. Using high-speed atomic force microscopy (HS-AFM), we disassembled ferritin and directly visualized the Aβ core enclosed within the cage. The thioflavin-T assay (ThT) and attenuated total reflection infrared spectroscopy (ATR-IR) revealed the presence of a β-sheet structure in the encapsulated oligomeric aggregate. Gallic acid, an amyloid inhibitor, can inhibit the fluorescence of ThT bound AβOs. Our approach represents a significant advancement in the isolation and characterization of β-sheet rich AβOs and is expected to be useful for future studies of other disordered peptides such as α-synuclein and tau.
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Affiliation(s)
- Basudev Maity
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho, 4259, Midori-ku, Yokohama 226 8501, Japan.
| | - Shiori Kameyama
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho, 4259, Midori-ku, Yokohama 226 8501, Japan.
| | - Jiaxin Tian
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho, 4259, Midori-ku, Yokohama 226 8501, Japan.
| | - Thuc Toan Pham
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho, 4259, Midori-ku, Yokohama 226 8501, Japan.
| | - Satoshi Abe
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho, 4259, Midori-ku, Yokohama 226 8501, Japan.
| | - Eri Chatani
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe, Hyogo 657-8501, Japan
| | - Kazuyoshi Murata
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institute for Natural Sciences, Okazaki, Aichi, 444-8585, Japan
- National Institute for Physiological Sciences (NIPS), National Institute for Natural Sciences, Okazaki, Aichi, 444-8585, Japan
| | - Takafumi Ueno
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho, 4259, Midori-ku, Yokohama 226 8501, Japan.
- Living Systems Materialogy (LiSM) Research Group, International Research Frontiers Initiative (IRFI), Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
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Miyamoto H, Kobayashi H, Kishima N, Yamazaki K, Hamamichi S, Uno N, Abe S, Hiramuki Y, Kazuki K, Tomizuka K, Kazuki Y. Rapid human genomic DNA cloning into mouse artificial chromosome via direct chromosome transfer from human iPSC and CRISPR/Cas9-mediated translocation. Nucleic Acids Res 2024; 52:1498-1511. [PMID: 38180813 PMCID: PMC10853801 DOI: 10.1093/nar/gkad1218] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/26/2023] [Accepted: 01/03/2024] [Indexed: 01/07/2024] Open
Abstract
A 'genomically' humanized animal stably maintains and functionally expresses the genes on human chromosome fragment (hCF; <24 Mb) loaded onto mouse artificial chromosome (MAC); however, cloning of hCF onto the MAC (hCF-MAC) requires a complex process that involves multiple steps of chromosome engineering through various cells via chromosome transfer and Cre-loxP chromosome translocation. Here, we aimed to develop a strategy to rapidly construct the hCF-MAC by employing three alternative techniques: (i) application of human induced pluripotent stem cells (hiPSCs) as chromosome donors for microcell-mediated chromosome transfer (MMCT), (ii) combination of paclitaxel (PTX) and reversine (Rev) as micronucleation inducers and (iii) CRISPR/Cas9 genome editing for site-specific translocations. We achieved a direct transfer of human chromosome 6 or 21 as a model from hiPSCs as alternative human chromosome donors into CHO cells containing MAC. MMCT was performed with less toxicity through induction of micronucleation by PTX and Rev. Furthermore, chromosome translocation was induced by simultaneous cleavage between human chromosome and MAC by using CRISPR/Cas9, resulting in the generation of hCF-MAC containing CHO clones without Cre-loxP recombination and drug selection. Our strategy facilitates rapid chromosome cloning and also contributes to the functional genomic analyses of human chromosomes.
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Affiliation(s)
- Hitomaru Miyamoto
- Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Hiroaki Kobayashi
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Nanami Kishima
- Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kyotaro Yamazaki
- Chromosome Engineering Research Group, The Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
| | - Shusei Hamamichi
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Narumi Uno
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Satoshi Abe
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Yosuke Hiramuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kanako Kazuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kazuma Tomizuka
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Yasuhiro Kazuki
- Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Chromosome Engineering Research Group, The Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
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Abe S, Yoshihisa A, Oohara H, Sugawara Y, Sato Y, Misaka T, Sato T, Oikawa M, Kobayashi A, Yamaki T, Nakazato K, Takeishi Y. Calcium-Phosphorus Product Is Associated with Adverse Prognosis in Hospitalized Patients with Heart Failure and Chronic Kidney Disease. Int Heart J 2024; 65:84-93. [PMID: 38296583 DOI: 10.1536/ihj.23-203] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
It has been reported that high levels of calcium-phosphorus (Ca-P) product are an indicator of coronary calcification and mortality risk in patients undergoing chronic hemodialysis. In the present study, we aimed to evaluate the significance of Ca-P product to predict the prognosis of patients with heart failure (HF) and chronic kidney disease (CKD). We conducted a prospective observational study of 793 patients with decompensated HF and CKD, and measured the value of Ca-P product. The cut-off value was obtained from the survival classification and regression tree (CART) analysis to predict post-discharge all-cause mortality and/or worsening HF, and the patients were divided into 2 groups: a high group (Ca-P product > 28, n = 594) and a low group (Ca-P product ≤ 28, n = 199). We compared the patient baseline characteristics and post-discharge prognosis between the 2 groups. The age as well as the prevalence of male sex, ischemic etiology, and anemia were significantly higher in the low group than in the high group. In contrast, there was no difference in echocardiographic parameters between the 2 groups. In the Kaplan-Meier analysis (mean follow-up 1089 days), all-cause mortality and/or worsening HF event rates were higher in the low group than in the high group (log-rank P = 0.001). In the multivariable Cox proportional hazard analysis, lower Ca-P product was found to be an independent predictor of all-cause mortality and/or worsening HF (hazard ratio 0.981, P = 0.031). Lower Ca-P product predicts adverse prognosis in patients with HF and CKD.
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Affiliation(s)
- Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University
- Department of Clinical Laboratory Sciences, Fukushima Medical University School of Health Science
| | - Himika Oohara
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yukiko Sugawara
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yu Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Takamasa Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University
| | | | - Takayoshi Yamaki
- Department of Cardiovascular Medicine, Fukushima Medical University
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Krstic PS, Dwivedi S, Ostrowski ET, Abe S, Maan A, van Duin ACT, Koel BE. Hydrogen irradiation-driven computational surface chemistry of lithium oxide and hydroxide. J Chem Phys 2023; 159:244703. [PMID: 38153149 DOI: 10.1063/5.0177460] [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: 09/21/2023] [Accepted: 12/04/2023] [Indexed: 12/29/2023] Open
Abstract
We have investigated, using molecular dynamics, the surface chemistry of hydrogen incident on the amorphous and crystalline lithium oxide and lithium hydroxide surfaces upon being slowed down by a collision cascade and retained in the amorphous surface of either Li2O or LiOH. We looked for the bonding of H to the resident structures in the surface to understand a possible chain of chemical reactions that can lead to surface transformation upon H atom impact. Our findings, using Density-Functional Theory (DFT) trained ReaxFF force field/electronegativity equalization method potentials, stress the importance of inclusion of polarization in the dynamics of a Li-O-H system, which is also illustrated by DFT energy minimization and quantum-classical molecular dynamics using tight binding DFT. The resulting polar-covalent chemistry of the studied systems is complex and very sensitive to the instantaneous positions of all atoms as well as the ratio of concentrations of various resident atoms in the surface.
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Affiliation(s)
- P S Krstic
- TheoretiK, Port Jefferson Station, New York 11776, USA
- Stony Brook University, Stony Brook, New York 11749, USA
| | - S Dwivedi
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - E T Ostrowski
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA
| | - S Abe
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08540, USA
| | - A Maan
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08540, USA
| | - A C T van Duin
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - B E Koel
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA
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Tanaka J, Abe S, Hayakawa T, Kojima M, Yamashita K, Hirata K, Ueno T. Crystal structure of the in-cell Cry1Aa purified from Bacillus thuringiensis. Biochem Biophys Res Commun 2023; 685:149144. [PMID: 37922785 DOI: 10.1016/j.bbrc.2023.149144] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 10/22/2023] [Indexed: 11/07/2023]
Abstract
In-cell protein crystals which spontaneously crystallize in living cells, have recently been analyzed in investigations of their structures and biological functions. The crystals have been challenging to analyze structurally because of their small size. Therefore, the number of in-cell protein crystals in which the native structure has been determined is limited because most of the structures of in-cell crystals have been determined by recrystallization after dissolution. Some proteins have been reported to form intermolecular disulfide bonds in natural protein crystals that stabilize the crystals. Here, we focus on Cry1Aa, a cysteine-rich protein that crystallizes in Bacillus thuringiensis (Bt) and forms disulfide bonds. Previously, the full-length structure of 135 kDa Cry1Ac, which is the same size as Cry1Aa, was determined by recrystallization of dissolved protein from crystals purified from Bt cells. However, the formation of disulfide bonds has not been investigated because it was necessary to replace cysteine residues to prevent aggregation of the soluble protein. In this work, we succeeded in direct X-ray crystallographic analysis using crystals purified from Bt cells and characterized the cross-linked network of disulfide bonds within Cry1Aa crystals.
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Affiliation(s)
- Junko Tanaka
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama, 226-8501, Japan
| | - Satoshi Abe
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama, 226-8501, Japan.
| | - Tohru Hayakawa
- Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama, 700-8530, Japan
| | - Mariko Kojima
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama, 226-8501, Japan
| | - Keitaro Yamashita
- SR Life Science Instrumentation Unit, RIKEN/SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo, 679-5148, Japan
| | - Kunio Hirata
- SR Life Science Instrumentation Unit, RIKEN/SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo, 679-5148, Japan
| | - Takafumi Ueno
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama, 226-8501, Japan; Living Systems Materialogy (LiSM) Research Group, International Research Frontiers Initiative (IRFI), Tokyo Institute of Technology, Yokohama, 226-8501, Japan.
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Shimizu T, Abe S, Asano T, Kaneshiro T, Kobayashi A, Yamaki T, Nakazato K, Takanashi S, Isobe M, Takeishi Y. Perioperative immunosuppressive therapy and coronary ostial angioplasty for unstable angina with Takayasu arteritis. J Cardiol Cases 2023; 28:257-260. [PMID: 38126047 PMCID: PMC10730271 DOI: 10.1016/j.jccase.2023.08.013] [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: 06/19/2023] [Revised: 07/30/2023] [Accepted: 08/10/2023] [Indexed: 12/23/2023] Open
Abstract
A young female patient with Takayasu arteritis presented with unstable angina due to bilateral coronary artery involvement. Steroid pulse therapy and subsequent prednisolone administration were started, but early coronary artery bypass grafting was required because of the multiple angina attacks at rest, with a prednisolone dose of 22.5 mg (0.45 mg/kg/day). Since the left internal thoracic artery which was grafted to the left anterior descending artery resulted in graft failure a few days after the surgery, the immunosuppressive therapy was intensified with the addition of tocilizumab and methotrexate. After controlling the disease activity, coronary ostial angioplasty using external iliac artery grafts was successfully performed, with a prednisolone dose of 15 mg (0.3 mg/kg/day). Ten months after the operation, the patient has been free from chest pain. The present case demonstrated the importance of adequate preoperative immunosuppressive therapy, even when early surgical intervention is required. Learning objective There are no established treatment regimens for immunosuppressive management in cases of Takayasu arteritis (TAK) requiring immediate surgical intervention. Even when early surgery is required, it is important to reduce disease activity with appropriate preoperative immunosuppressive therapy using steroids in addition to biological agents, such as tocilizumab. Coronary ostial angioplasty is the effective surgical revascularization technique for TAK with coronary artery involvement.
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Affiliation(s)
- Takeshi Shimizu
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Tomoyuki Asano
- Department of Rheumatology, Fukushima Medical University, Fukushima, Japan
| | - Takashi Kaneshiro
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Atsushi Kobayashi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takayoshi Yamaki
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kazuhiko Nakazato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Shuichiro Takanashi
- Department of Cardiovascular Surgery, Sakakibara Heart Institute, Tokyo, Japan
| | - Mitsuaki Isobe
- Department of Cardiology, Sakakibara Heart Institute, Tokyo, Japan
| | - Yasuchika Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
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Yang W, Abe S, Tabata Y. Association with cationized gelatin nanospheres enhances cell internalization of mitochondria efficiency. Regen Ther 2023; 24:190-200. [PMID: 37483433 PMCID: PMC10359715 DOI: 10.1016/j.reth.2023.06.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 04/30/2023] [Revised: 06/11/2023] [Accepted: 06/24/2023] [Indexed: 07/25/2023] Open
Abstract
The objective of this study is to confirm the methodological feasibility of cationized gelatin nanospheres (cGNS) to enhance the internalization efficiency of mitochondria (Mt) isolated to cells for their increasing functions. The cGNS were simply associated on the surface of Mt by the electrostatic interaction. Different sizes of cGNS were used to allow Mt to associate on the Mt surface (Mt-cGNS). As a control, cationized gelatin (cG) was used to modify the Mt surface (Mt-cG). The Mt-cG and Mt-cGNS prepared were cultured with H9c2 cells to examine their internalization. The internalization efficiency significantly increased by utilizing cGNS. However, there was no significant difference in the internalization efficiency among cGNS with different sizes. After incubation of Mt, Mt-cG, and Mt-cGNS, the superoxide amount and ATP generation were evaluated. Significantly lower superoxide amount and higher ATP amount were observed for the Mt-cGNS group compared with those of non-modified Mt group. It is conceivable that cGNS enhance the cellular internalization of Mt, leading to an improve mitochondrial functions in the recipient cells. In conclusion, cGNS are promising to improve the efficacy in mitochondria internalization.
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Pham TT, Abe S, Date K, Hirata K, Suzuki T, Ueno T. Displaying a Protein Cage on a Protein Crystal by In-Cell Crystal Engineering. Nano Lett 2023; 23:10118-10125. [PMID: 37955329 DOI: 10.1021/acs.nanolett.3c02117] [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: 11/14/2023]
Abstract
The development of solid biomaterials has rapidly progressed in recent years in applications in bionanotechnology. The immobilization of proteins, such as enzymes, within protein crystals is being used to develop solid catalysts and functionalized materials. However, an efficient method for encapsulating protein assemblies has not yet been established. This work presents a novel approach to displaying protein cages onto a crystalline protein scaffold using in-cell protein crystal engineering. The polyhedra crystal (PhC) scaffold, which displays a ferritin cage, was produced by coexpression of polyhedrin monomer (PhM) and H1-ferritin (H1-Fr) monomer in Escherichia coli. The H1-tag is derived from the H1-helix of PhM. Our technique represents a unique strategy for immobilizing protein assemblies onto in-cell protein crystals and is expected to contribute to various applications in bionanotechnology.
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Affiliation(s)
- Thuc Toan Pham
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
| | - Satoshi Abe
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
| | - Koki Date
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
| | - Kunio Hirata
- SR Life Science Instrumentation Unit, RIKEN/SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun 679-5148, Hyogo, Japan
| | - Taiga Suzuki
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
| | - Takafumi Ueno
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
- Living Systems Materialogy (LiSM) Research Group, International Research Frontiers Initiative (IRFI), Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
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Ishihara M, Abe S, Imaoka K, Nakagawa T, Kadota K, Oguro H, Nakajima H, Yamaguchi S, Nagai A. Meningoencephalomyelitis Caused by Brucella Canis: A Case Report and Literature Review. Intern Med 2023:2664-23. [PMID: 37926538 DOI: 10.2169/internalmedicine.2664-23] [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: 11/07/2023] Open
Abstract
Human brucellosis, one of the most common zoonoses worldwide, is rare in Japan. Brucella canis is the specific pathogen of human brucellosis carried by dogs. According to an epidemiological study of B. canis infection in Japan, B. canis is the specific pathogen of human brucellosis in dogs. We herein report a rare case of meningoencephalomyelitis caused by B. canis in a 68-year-old Japanese man. Neurobrucellosis was diagnosed based on a serum tube agglutination test and abnormal cerebrospinal fluid findings. The patient was started on targeted treatment with a combination of doxycycline and streptomycin. Although extremely rare, neurobrucellosis should be considered in patients with a fever of unknown origin and unexplained neurological symptoms.
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Affiliation(s)
- Masaki Ishihara
- Division of Neurology, Department of Medicine, Nihon University School of Medicine, Japan
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
| | - Satoshi Abe
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
| | - Koichi Imaoka
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Tomonori Nakagawa
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
- Department of Neurology, Masuda Red Cross Hospital, Japan
| | - Katsuhiko Kadota
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
- Department of Emergency and Disaster Medicine, Graduate School of Medicine, Juntendo University, Japan
| | - Hiroaki Oguro
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
- Department of Neurology, Heisei Memorial Hospital, Japan
| | - Hideto Nakajima
- Division of Neurology, Department of Medicine, Nihon University School of Medicine, Japan
| | - Shuhei Yamaguchi
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
- Shimane Prefecture Bureau, Shimane Prefectural Central Hospital, Japan
| | - Atsushi Nagai
- Department of Neurology, Faculty of Medicine, Shimane University, Japan
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11
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Endo K, Shimizu T, Muto Y, Kimishima Y, Abe S, Oikawa M, Kobayashi A, Yamaki T, Nakazato K, Ishida T, Takeishi Y. Acute coronary syndrome with severe coronary calcification in a patient with pseudo-pseudohypoparathyroidism. J Cardiol Cases 2023; 28:172-175. [PMID: 37818432 PMCID: PMC10562121 DOI: 10.1016/j.jccase.2023.06.004] [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: 02/06/2023] [Revised: 05/16/2023] [Accepted: 05/23/2023] [Indexed: 10/12/2023] Open
Abstract
A 40-year-old female with a history of steroid therapy for juvenile rheumatoid arthritis was brought to our hospital because of chest pain. A diagnosis of non-ST elevation myocardial infarction was made, and emergency coronary angiography revealed stenotic lesions with severe calcification in the left anterior descending artery and the right coronary artery. Percutaneous coronary intervention with rotational atherectomy followed by a drug-coated balloon was performed to the lesion in the left anterior descending artery. The patient had characteristic physical findings including short stature, a round face, and 'knuckle-dimple sign'. Whole-body computed tomography showed many ectopic calcifications, indicating Albright's hereditary osteodystrophy. Ellsworth-Howard test revealed that urinary cyclic adenosine monophosphate response was positive, thus a diagnosis of pseudo-pseudohypoparathyroidism (PPHP) was made. Here, we describe a rare case of PPHP complicated by acute coronary syndrome with severely calcified coronary arteries. Learning objective Pseudo-pseudohypoparathyroidism (PPHP) presents with several characteristic physical findings and ectopic calcifications. Since PPHP involves coronary artery calcification as in the present case, it may be considered as a cause of coronary artery disease.
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Affiliation(s)
- Keiichiro Endo
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takeshi Shimizu
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yuki Muto
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yusuke Kimishima
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Atsushi Kobayashi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takayoshi Yamaki
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kazuhiko Nakazato
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Takafumi Ishida
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yasuchika Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
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12
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Osaka Y, Abe S, Abe H, Tanaka M, Onozato M, Okoshi K, Nishigaki A. Sources of Polycyclic Aromatic Hydrocarbons in Fecal Pellets of a Marphysa Species (Annelida: Eunicidae) in the Yoro Tidal Flat, Japan. Zoolog Sci 2023; 40:292-299. [PMID: 37522600 DOI: 10.2108/zs230020] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/10/2023] [Indexed: 08/01/2023]
Abstract
The fecal pellets of Marphysa sp. E sensu Abe et al. (2019) (Annelida, Eunicidae) living in the Yoro tidal flat (Ichihara, Chiba, Japan) contain high levels of polycyclic aromatic hydrocarbons (PAHs), and the concentrations rapidly decrease over time. To investigate the origin of the high-concentration PAHs in the fecal pellets and food sources of the worms, the PAH concentrations, carbon and nitrogen stable isotope ratios (δ13C and δ15N), total organic carbon, and total nitrogen for two types of sediment (sands and reduced muds), fecal pellets, and the body of the worms were determined. The PAH concentrations and chemical properties of the fecal pellets were similar to those of the reduced muds (20-30 cm sediment depth). The δ13C, δ15N, and C/N values of reduced muds were the same as the typical values of terrestrial C3 plants, suggesting that reduced muds were derived from terrestrial plants. These data indicated that the worms selectively take up reduced muds containing high levels of PAHs. The δ13C and δ15N values of the worm bodies indicated that the worms did not use the organic carbon derived from terrestrial C3 plants as primary nutrition. Taking into consideration their selective uptake of reduced muds, excretion, and subsequent rapid decrease of PAHs in the fecal pellets, the worms could contribute to the remediation of chemical pollutants in the tidal flat sediments.
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Affiliation(s)
- Yuichiro Osaka
- Department of Environmental Science, Faculty of Science, Toho University, Funabashi-shi, Chiba 274-8510, Japan
| | - Satoshi Abe
- Department of Environmental Science, Faculty of Science, Toho University, Funabashi-shi, Chiba 274-8510, Japan
| | - Hirokazu Abe
- Department of Biological Sciences, Faculty of Science and Engineering, Ishinomaki Senshu University, Minamisakai, Ishinomaki-shi, Miyagi 986-8580, Japan
| | - Masaatsu Tanaka
- Department of Biology, Keio University, Kohoku-ku, Yokohama-shi, Kanagawa 223-8521, Japan
| | - Mayu Onozato
- Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Toho University, Funabashi-shi, Chiba 274-8510, Japan
| | - Kenji Okoshi
- Department of Environmental Science, Faculty of Science, Toho University, Funabashi-shi, Chiba 274-8510, Japan
| | - Atsuko Nishigaki
- Department of Environmental Science, Faculty of Science, Toho University, Funabashi-shi, Chiba 274-8510, Japan,
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13
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Pan T, Maity B, Abe S, Morita T, Ueno T. In-Cell Engineering of Protein Crystals into Hybrid Solid Catalysts for Artificial Photosynthesis. Nano Lett 2023. [PMID: 37435930 DOI: 10.1021/acs.nanolett.3c02355] [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] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
The emergence of protein-based crystalline materials offers promising opportunities in enzyme immobilization. However, the current systems used for encapsulation of protein crystals are limited to either exogenous small molecules or monomeric proteins. In this work, polyhedra crystals were used to simultaneously encapsulate the foreign enzymes FDH and the organic photocatalyst eosin Y. These hybrid protein crystals are prepared easily by cocrystallization within a cell without a requirement for complex purification processes because they spontaneously form 1 μm scale solid particles. After immobilization within protein crystals, the recombinant FDH is recyclable and thermally stable and maintains 94.4% activity compared to the free enzyme. In addition, the incorporation of eosin Y endows the solid catalyst with CO2-formate conversion activity based on a cascade reaction. This work indicates that engineering protein crystals by both in vivo and in vitro strategies will provide robust and environmentally friendly solid catalysts for artificial photosynthesis.
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Affiliation(s)
- Tiezheng Pan
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Basudev Maity
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Satoshi Abe
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Taiki Morita
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-Ku, Yokohama 226-8503, Japan
| | - Takafumi Ueno
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
- Living Systems Materialogy (LiSM) Research Group, International Research Frontiers Initiative (IRFI), Tokyo Institute of Technology, Yokohama 226-8501, Japan
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14
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Hishikawa Y, Noya H, Nagatoishi S, Yoshidome T, Maity B, Tsumoto K, Abe S, Ueno T. Elucidating Conformational Dynamics and Thermostability of Designed Aromatic Clusters Using Protein Cages. Chemistry 2023:e202300488. [PMID: 37070368 DOI: 10.1002/chem.202300488] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 04/19/2023]
Abstract
Aromatic residues form clusters in proteins and play essential roles in biological systems. However, the stabilization mechanism and dynamic behavior of aromatic clusters remain unclear. Here, we describe designed aromatic interactions confined within a protein cage to reveal how aromatic clusters affect protein stability. The crystal structures and calorimetric measurements indicate that the formation of inter-subunit phenylalanine clusters enhance the interactions of inter-helices and increase the melting temperature. Theoretical calculations suggest that this is caused by the transformation of the T-shaped geometry into π-π stacking at high temperatures, and the hydration entropic gain. Thus, the isolated nano-environment in a protein cage allows reconstruction and detailed analysis of multiple clustering residues for elucidating the mechanisms of various biomolecular interactions in nature which can be applied to design of bionanomaterials.
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Affiliation(s)
- Yuki Hishikawa
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, Life Science and technology, JAPAN
| | - Hiroki Noya
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, School of life Science and technology, JAPAN
| | - Satoru Nagatoishi
- The University of Tokyo: Tokyo Daigaku, The Institute of Medical Science,, JAPAN
| | | | - Basudev Maity
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, Life science and technology, JAPAN
| | - Kouhei Tsumoto
- The University of Tokyo: Tokyo Daigaku, The Institute of Medical Science,, JAPAN
| | - Satoshi Abe
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, Life Science and Technology, JAPAN
| | - Takafumi Ueno
- Tokyo Institute of Technology, Graduate School of Bioscience and Biotechnology, Nagatsuta-cho 4259-B-55, Midori-ku, 226-8501, Yokohama, JAPAN
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15
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Misaka T, Yoshihisa A, Ichijo Y, Ishibashi S, Matsuda M, Yamadera Y, Ohara H, Sugawara Y, Anzai F, Sato Y, Abe S, Sato T, Oikawa M, Kobayashi A, Takeishi Y. Prognostic significance of spleen shear wave elastography and dispersion in patients with heart failure: the crucial role of cardio-splenic axis. Clin Res Cardiol 2023:10.1007/s00392-023-02183-7. [PMID: 36941484 DOI: 10.1007/s00392-023-02183-7] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 03/10/2023] [Indexed: 03/23/2023]
Abstract
INTRODUCTION The interaction between the heart and spleen plays a crucial role among cardiac and multiple organ networks, particularly in heart failure (HF). Ultrasound shear wave imaging is a non-invasive technology capable of quantifying tissue quality, but its significance in the spleen in patients with HF is poorly understood. METHODS AND RESULTS This prospective observational study enrolled hospitalized 232 patients with HF undergoing abdominal ultrasonography. We used shear wave elastography (SWE) to assess spleen tissue elasticity and shear wave dispersion (SWD) to assess spleen tissue viscosity. Clinical, echocardiography, right heart catheterization, and outcome data were collected. Spleen SWE was negatively correlated with right ventricular fractional area change (R = - 0.180, P = 0.039), but not with right-sided pressure or congestion indices. When patients were divided into three groups based on tertile values of splenic parameters, Kaplan-Meier analysis demonstrated that patients with the highest spleen SWE and SWD had lower event-free survival rates from cardiac deaths and decompensated HF over a median 494-days follow-up period (P < 0.0001 and P < 0.0001, respectively). In a multivariable Cox proportional hazard model, both spleen SWE and SWD were independently associated with increased risks of adverse cardiac events (hazard ratio, 4.974 and 1.384; P = 0.003 and P < 0.0001). Mechanistically, we evaluated mRNA expressions of CD36, a monocyte/macrophage-associated molecule, in peripheral leukocytes, and found that enhanced spleen stiffness was associated with the upregulation of CD36 expressions. CONCLUSION Share wave imaging of the spleen is useful for stratifying the prognosis of HF patients and may suggest a role of the cardio-splenic axis in HF pathogenies.
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Affiliation(s)
- Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan.
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
- Department of Clinical Laboratory Sciences, Fukushima Medical University, Fukushima, Japan
| | - Yasuhiro Ichijo
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Shinji Ishibashi
- Department of Clinical Laboratory Medicine, Fukushima Medical University Hospital, Fukushima, Japan
| | - Mitsuko Matsuda
- Department of Clinical Laboratory Medicine, Fukushima Medical University Hospital, Fukushima, Japan
| | - Yukio Yamadera
- Department of Clinical Laboratory Medicine, Fukushima Medical University Hospital, Fukushima, Japan
| | - Himika Ohara
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Yukiko Sugawara
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Fumiya Anzai
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Yu Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Takamasa Sato
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Atsushi Kobayashi
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Yasuchika Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
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16
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Hiramuki Y, Abe S, Uno N, Kazuki K, Takata S, Miyamoto H, Takayama H, Morimoto K, Takehara S, Osaki M, Tanihata J, Takeda S, Tomizuka K, Oshimura M, Kazuki Y. Full-length human dystrophin on human artificial chromosome compensates for mouse dystrophin deficiency in a Duchenne muscular dystrophy mouse model. Sci Rep 2023; 13:4360. [PMID: 36928364 PMCID: PMC10020543 DOI: 10.1038/s41598-023-31481-3] [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: 12/01/2022] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Dystrophin maintains membrane integrity as a sarcolemmal protein. Dystrophin mutations lead to Duchenne muscular dystrophy, an X-linked recessive disorder. Since dystrophin is one of the largest genes consisting of 79 exons in the human genome, delivering a full-length dystrophin using virus vectors is challenging for gene therapy. Human artificial chromosome is a vector that can load megabase-sized genome without any interference from the host chromosome. Chimeric mice carrying a 2.4-Mb human dystrophin gene-loaded human artificial chromosome (DYS-HAC) was previously generated, and dystrophin expression from DYS-HAC was confirmed in skeletal muscles. Here we investigated whether human dystrophin expression from DYS-HAC rescues the muscle phenotypes seen in dystrophin-deficient mice. Human dystrophin was normally expressed in the sarcolemma of skeletal muscle and heart at expected molecular weights, and it ameliorated histological and functional alterations in dystrophin-deficient mice. These results indicate that the 2.4-Mb gene is enough for dystrophin to be correctly transcribed and translated, improving muscular dystrophy. Therefore, this technique using HAC gives insight into developing new treatments and novel humanized Duchenne muscular dystrophy mouse models with human dystrophin gene mutations.
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Affiliation(s)
- Yosuke Hiramuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Satoshi Abe
- Trans Chromosomics Inc., 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Narumi Uno
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Kanako Kazuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Shuta Takata
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Hitomaru Miyamoto
- Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
- Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Haruka Takayama
- Trans Chromosomics Inc., 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Kayoko Morimoto
- Trans Chromosomics Inc., 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Shoko Takehara
- Trans Chromosomics Inc., 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Mitsuhiko Osaki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
- Division of Experimental Pathology, Department of Functional Morphology, Faculty of Medicine, Tottori University, Yonago, Tottori, 683‑8503, Japan
| | - Jun Tanihata
- Department of Molecular Therapy, National Institute of Neuroscience, National Center of Neurology and Psychiatry (NCNP), Kodaira, Tokyo, 187-8502, Japan
- Department of Cell Physiology, The Jikei University School of Medicine, 3-25-8, Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Shin'ichi Takeda
- Department of Molecular Therapy, National Institute of Neuroscience, National Center of Neurology and Psychiatry (NCNP), Kodaira, Tokyo, 187-8502, Japan
| | - Kazuma Tomizuka
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Mitsuo Oshimura
- Trans Chromosomics Inc., 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Yasuhiro Kazuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Department of Chromosome Biomedical Engineering, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Chromosome Engineering Research Group, The Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi, 444-8787, Japan.
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17
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Morioka H, Kawano H, Takagi T, Abe S, Ogata N, Iwase S, Sakai Y, Oshima K, Ohe T, Nakamura K. Involvement of orthopaedic surgeons for cancer patients in orthopaedic training facilities certified by the Japanese Orthopaedic Association - A nationwide survey. J Orthop Sci 2023; 28:446-452. [PMID: 34906401 DOI: 10.1016/j.jos.2021.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 11/03/2021] [Accepted: 11/11/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND In order to improve cancer care in Japan further, it is now required for orthopaedic surgeons to get actively involved in managing locomotive organs such as bones, muscles and nerves in cancer patients. In 2018, the Japanese Orthopaedic Association (JOA) conducted a questionnaire survey to investigate the current status of cancer treatment at the orthopaedic training facilities certified by the JOA. We analyzed the results of that questionnaire survey, focusing on the data from the core hospitals for cancer care (designated cancer hospitals), to clarify the involvement of orthopaedic surgeons in cancer treatment. MATERIALS AND METHODS A nationwide survey was conducted in the orthopaedic training facilities certified by the JOA using an online questionnaire from March 15th to 31st, 2018. To clarify the involvement of orthopaedic surgeons in cancer treatment, we analyzed the results of that questionnaire survey, focusing on the data from the designated cancer hospitals in Japan. RESULTS From the questionnaire survey, it became clear that 24% of the orthopaedic training facilities certified by the JOA are designated cancer hospitals. There were significant differences concerning cancer treatment and the prospect of orthopaedic surgeons' involvement in the treatment for bone metastases between institutions classified according to number of both certified orthopaedic surgeons by the JOA and specialists for bone and soft tissue tumors. In addition, in 45% of the designated cancer hospitals, orthopaedic surgeons treated bone metastases that occur in cancer patients, but in the rest of the institutions, orthopaedic surgeons did not yet adequately respond. CONCLUSION In order to further improve the locomotive function and quality of life (QOL) in cancer patients, it was seemed to be necessary that all medical professionals engaged in cancer treatment, including orthopaedic surgeons, recognize the importance of locomotive management for cancer patients. In addition, the results of this study suggested that the presence of more than six certified orthopaedic surgeons by the JOA, including one or more specialists for bone and soft tissue tumors, may be able to create an environment conducive to the involvement of orthopaedic surgeons in cancer treatment at the facility.
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Affiliation(s)
- Hideo Morioka
- Department of Orthopaedic Surgery, National Hospital Organization Tokyo Medical Center, 2-5-1 Higashigaoka, Meguro-ku, Tokyo 152-8902, Japan.
| | - Hirotaka Kawano
- Department of Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan
| | - Tatsuya Takagi
- Department of Orthopaedic Surgery, Juntendo University School of Medicine, 1-5-29 Yushima, Bunkyo-ku, Tokyo 113-0034, Japan
| | - Satoshi Abe
- Department of Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan
| | - Naoshi Ogata
- Department of Rehabilitation, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo 173-8605, Japan
| | - Satoru Iwase
- Department of Palliative Medicine, Saitama Medical University, 38 Morohongo Moroyamamachi, Iruma-gun, Saitama 350-0495, Japan
| | - Yoshitada Sakai
- Department of Rehabilitation, Kobe University School of Medicine, 7-5-2 Kusunokicho Kobe Chuo-ku, Hyogo 650-0017, Japan
| | - Kazuya Oshima
- Department of Orthopaedic Surgery, Bell Land General Hospital, 500-3 Higashiyama, Naka-ku, Sakai, Osaka 599-8247, Japan
| | - Takashi Ohe
- Department of Orthopaedic Surgery, NTT Medical Center Tokyo, 5-9-22 Higashigotanda, Shinagawa-ku, Tokyo 141-8625, Japan
| | - Kozo Nakamura
- Towa Hospital, 4-7-10 Towa, Adachi-ku, Tokyo 120-0003, Japan
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18
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Watanabe M, Okamoto M, Komichi S, Huang H, Matsumoto S, Moriyama K, Ohshima J, Abe S, Morita M, Ali M, Takebe K, Kozaki I, Fujimoto A, Kanie K, Kato R, Uto K, Ebara M, Yamawaki-Ogata A, Narita Y, Takahashi Y, Hayashi M. Novel Functional Peptide for Next-Generation Vital Pulp Therapy. J Dent Res 2023; 102:322-330. [PMID: 36415061 PMCID: PMC9989233 DOI: 10.1177/00220345221135766] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Although vital pulp therapy should be performed by promoting the wound-healing capacity of dental pulp, existing pulp-capping materials were not developed with a focus on the pulpal repair process. In previous investigations of wound healing in dental pulp, we found that organic dentin matrix components (DMCs) were degraded by matrix metalloproteinase-20, and DMC degradation products containing protein S100A7 (S100A7) and protein S100A8 (S100A8) promoted the pulpal wound-healing process. However, the direct use of recombinant proteins as pulp-capping materials may cause clinical problems or lead to high medical costs. Thus, we hypothesized that functional peptides derived from recombinant proteins could solve the problems associated with direct use of such proteins. In this study, we identified functional peptides derived from the protein S100 family and investigated their effects on dental pulp tissue. We first performed amino acid sequence alignments of protein S100 family members from several mammalian sources, then identified candidate peptides. Next, we used a peptide array method that involved human dental pulp stem cells (hDPSCs) to evaluate the mineralization-inducing ability of each peptide. Our results supported the selection of 4 candidate functional peptides derived from proteins S100A8 and S100A9. Direct pulp-capping experiments in a rat model demonstrated that 1 S100A8-derived peptide induced greater tertiary dentin formation compared with the other peptides. To investigate the mechanism underlying this induction effect, we performed liquid chromatography-tandem mass spectrometry analysis using hDPSCs and the S100A8-derived peptide; the results suggested that this peptide promotes tertiary dentin formation by inhibiting inflammatory responses. In addition, this peptide was located in a hairpin region on the surface of S100A8 and could function by direct interaction with other molecules. In summary, this study demonstrated that a S100A8-derived functional peptide promoted wound healing in dental pulp; our findings provide insights for the development of next-generation biological vital pulp therapies.
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Affiliation(s)
- M Watanabe
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - M Okamoto
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - S Komichi
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - H Huang
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - S Matsumoto
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - K Moriyama
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - J Ohshima
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - S Abe
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - M Morita
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - M Ali
- Department of Restorative Dentistry, Faculty of Dentistry, University of Khartoum, Khartoum, Sudan
| | - K Takebe
- Department of Oral and Maxillofacial Surgery II, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - I Kozaki
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Aichi, Japan
| | - A Fujimoto
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Aichi, Japan
| | - K Kanie
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Aichi, Japan.,Department of Biotechnology and Chemistry, Faculty of Engineering, Kindai University, Hiroshima, Japan
| | - R Kato
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Aichi, Japan
| | - K Uto
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Ibaraki, Japan
| | - M Ebara
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Ibaraki, Japan
| | - A Yamawaki-Ogata
- Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Y Narita
- Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Y Takahashi
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - M Hayashi
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
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Hirahata M, Imanishi J, Fujinuma W, Abe S, Inui T, Ogata N, Iimuro S, Fujita R, Sato K, Tokizaki T, Matsuyama T, Kawano H. Cancer may accelerate locomotive syndrome and deteriorate quality of life: a single-centre cross-sectional study of locomotive syndrome in cancer patients. Int J Clin Oncol 2023; 28:603-609. [PMID: 36806698 PMCID: PMC9939082 DOI: 10.1007/s10147-023-02312-2] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 02/07/2023] [Indexed: 02/23/2023]
Abstract
BACKGROUND Thanks to recent advancement in cancer treatment, an increasing number of cancer patients are expected to live longer with cancer. The ambulatory ability is essential for cancer patients to spend their own independent lives, but locomotive syndrome (LS), a condition of reduced mobility due to impairment of locomotive organs, in cancer patients has been seldom examined. METHODS This was a single-institutional cross-sectional study. Cancer patients receiving cancer therapy between April 2020 and March 2021 were asked to participate. LS was classified as stage 0-3, and compared with their performance status (PS). Physical component summary (PCS) and mental component summary (MCS) were calculated from the results of Short Form-8. Logistic regression analysis was performed to identify risk factors for LS stage 3. RESULTS One hundred and seventy-six cancer patients were included. The rate of LS was 96.0%. That of LS stage 3 was 40.9% and as high as 29.7% even if limited to those with PS 0. The mean PCS and MCS were both inferior to the national averages. PCS decreased as the LS stage advanced. Old age and underweight were revealed as independent risk factors for LS stage 3. CONCLUSIONS The ratio of LS in cancer patients was extremely high, and the LS stage correlated with physical QOL. Even those with PS 0 can have severe LS; thus, LS can be a sensitive detector of physical disability of cancer patients than PS. The improvement of LS can be a key to the preservation of their ADL and QOL.
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Affiliation(s)
- Masahiro Hirahata
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Jungo Imanishi
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan.
| | - Wataru Fujinuma
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Satoshi Abe
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Takahiro Inui
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Naoshi Ogata
- Rehabilitation Medicine, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Satoshi Iimuro
- Innovation and Research Support Center, International University of Health and Welfare, 4-1-26, Akasaka, Minato-ku, Tokyo, 107-8402, Japan
| | - Retsu Fujita
- Innovation and Research Support Center, International University of Health and Welfare, 4-1-26, Akasaka, Minato-ku, Tokyo, 107-8402, Japan
| | - Kenji Sato
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Toru Tokizaki
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Taisuke Matsuyama
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Hirotaka Kawano
- Orthopaedic Surgery, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
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20
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Kojima M, Abe S, Furuta T, Tran DP, Hirata K, Yamashita K, Hishikawa Y, Kitao A, Ueno T. Engineering of an in-cell protein crystal for fastening a metastable conformation of a target miniprotein. Biomater Sci 2023; 11:1350-1357. [PMID: 36594419 DOI: 10.1039/d2bm01759h] [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: 12/23/2022]
Abstract
Protein crystals can be utilized as porous scaffolds to capture exogenous molecules. Immobilization of target proteins using protein crystals is expected to facilitate X-ray structure analysis of proteins that are difficult to be crystallized. One of the advantages of scaffold-assisted structure determination is the analysis of metastable structures that are not observed in solution. However, efforts to fix target proteins within the pores of scaffold protein crystals have been limited due to the lack of strategies to control protein-protein interactions formed in the crystals. In this study, we analyze the metastable structure of the miniprotein, CLN025, which forms a β-hairpin structure in solution, using a polyhedra crystal (PhC), an in-cell protein crystal. CLN025 is successfully fixed within the PhC scaffold by replacing the original loop region. X-ray crystal structure analysis and molecular dynamics (MD) simulation reveal that CLN025 is fixed as a helical structure in a metastable state by non-covalent interactions in the scaffold crystal. These results indicate that modulation of intermolecular interactions can trap various protein conformations in the engineered PhC and provides a new strategy for scaffold-assisted structure determination.
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Affiliation(s)
- Mariko Kojima
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan.
| | - Satoshi Abe
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan.
| | - Tadaomi Furuta
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan.
| | - Duy Phuoc Tran
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan.
| | - Kunio Hirata
- SR Life Science Instrumentation Unit, RIKEN/SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
| | - Keitaro Yamashita
- SR Life Science Instrumentation Unit, RIKEN/SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan.,MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK
| | - Yuki Hishikawa
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan.
| | - Akio Kitao
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan.
| | - Takafumi Ueno
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan. .,International Research Frontiers Initiative (IRFI), Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8501, Japan
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21
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Okagaki Y, Sibamoto Y, Wada Y, Abe S, Hibiki T. Numerical simulation of bubble hydrodynamics for pool scrubbing. J NUCL SCI TECHNOL 2023. [DOI: 10.1080/00223131.2022.2161656] [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: 02/15/2023]
Affiliation(s)
- Yuria Okagaki
- Nuclear Safety Research Center, Japan Atomic Energy Agency, Ibaraki, Japan
| | - Yasuteru Sibamoto
- Nuclear Safety Research Center, Japan Atomic Energy Agency, Ibaraki, Japan
| | - Yuki Wada
- Nuclear Safety Research Center, Japan Atomic Energy Agency, Ibaraki, Japan
| | - Satoshi Abe
- Nuclear Safety Research Center, Japan Atomic Energy Agency, Ibaraki, Japan
| | - Takashi Hibiki
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
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22
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Abe H, Abe S, Acciari VA, Aniello T, Ansoldi S, Antonelli LA, Arbet Engels A, Arcaro C, Artero M, Asano K, Baack D, Babić A, Baquero A, Barres de Almeida U, Barrio JA, Batković I, Baxter J, Becerra González J, Bednarek W, Bernardini E, Bernardos M, Berti A, Besenrieder J, Bhattacharyya W, Bigongiari C, Biland A, Blanch O, Bonnoli G, Bošnjak Ž, Burelli I, Busetto G, Carosi R, Carretero-Castrillo M, Ceribella G, Chai Y, Chilingarian A, Cikota S, Colombo E, Contreras JL, Cortina J, Covino S, D'Amico G, D'Elia V, Da Vela P, Dazzi F, De Angelis A, De Lotto B, Del Popolo A, Delfino M, Delgado J, Delgado Mendez C, Depaoli D, Di Pierro F, Di Venere L, Do Souto Espiñeira E, Dominis Prester D, Donini A, Dorner D, Doro M, Elsaesser D, Emery G, Fallah Ramazani V, Fariña L, Fattorini A, Font L, Fruck C, Fukami S, Fukazawa Y, García López RJ, Garczarczyk M, Gasparyan S, Gaug M, Giesbrecht Paiva JG, Giglietto N, Giordano F, Gliwny P, Godinović N, Green JG, Green D, Hadasch D, Hahn A, Hassan T, Heckmann L, Herrera J, Hrupec D, Hütten M, Imazawa R, Inada T, Iotov R, Ishio K, Jiménez Martínez I, Jormanainen J, Kerszberg D, Kobayashi Y, Kubo H, Kushida J, Lamastra A, Lelas D, Leone F, Lindfors E, Linhoff L, Lombardi S, Longo F, López-Coto R, López-Moya M, López-Oramas A, Loporchio S, Lorini A, Lyard E, Machado de Oliveira Fraga B, Majumdar P, Makariev M, Maneva G, Mang N, Manganaro M, Mangano S, Mannheim K, Mariotti M, Martínez M, Mas Aguilar A, Mazin D, Menchiari S, Mender S, Mićanović S, Miceli D, Miener T, Miranda JM, Mirzoyan R, Molina E, Mondal HA, Moralejo A, Morcuende D, Moreno V, Nakamori T, Nanci C, Nava L, Neustroev V, Nievas Rosillo M, Nigro C, Nilsson K, Nishijima K, Njoh Ekoume T, Noda K, Nozaki S, Ohtani Y, Oka T, Otero-Santos J, Paiano S, Palatiello M, Paneque D, Paoletti R, Paredes JM, Pavletić L, Persic M, Pihet M, Podobnik F, Prada Moroni PG, Prandini E, Principe G, Priyadarshi C, Puljak I, Rhode W, Ribó M, Rico J, Righi C, Rugliancich A, Sahakyan N, Saito T, Sakurai S, Satalecka K, Saturni FG, Schleicher B, Schmidt K, Schmuckermaier F, Schubert JL, Schweizer T, Sitarek J, Sliusar V, Sobczynska D, Spolon A, Stamerra A, Strišković J, Strom D, Strzys M, Suda Y, Surić T, Takahashi M, Takeishi R, Tavecchio F, Temnikov P, Terauchi K, Terzić T, Teshima M, Tosti L, Truzzi S, Tutone A, Ubach S, van Scherpenberg J, Vazquez Acosta M, Ventura S, Verguilov V, Viale I, Vigorito CF, Vitale V, Vovk I, Walter R, Will M, Wunderlich C, Yamamoto T, Zarić D, Hiroshima N, Kohri K. Search for Gamma-Ray Spectral Lines from Dark Matter Annihilation up to 100 TeV toward the Galactic Center with MAGIC. Phys Rev Lett 2023; 130:061002. [PMID: 36827578 DOI: 10.1103/physrevlett.130.061002] [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: 06/10/2022] [Revised: 11/02/2022] [Accepted: 12/15/2022] [Indexed: 06/18/2023]
Abstract
Linelike features in TeV γ rays constitute a "smoking gun" for TeV-scale particle dark matter and new physics. Probing the Galactic Center region with ground-based Cherenkov telescopes enables the search for TeV spectral features in immediate association with a dense dark matter reservoir at a sensitivity out of reach for satellite γ-ray detectors, and direct detection and collider experiments. We report on 223 hours of observations of the Galactic Center region with the MAGIC stereoscopic telescope system reaching γ-ray energies up to 100 TeV. We improved the sensitivity to spectral lines at high energies using large-zenith-angle observations and a novel background modeling method within a maximum-likelihood analysis in the energy domain. No linelike spectral feature is found in our analysis. Therefore, we constrain the cross section for dark matter annihilation into two photons to ⟨σv⟩≲5×10^{-28} cm^{3} s^{-1} at 1 TeV and ⟨σv⟩≲1×10^{-25} cm^{3} s^{-1} at 100 TeV, achieving the best limits to date for a dark matter mass above 20 TeV and a cuspy dark matter profile at the Galactic Center. Finally, we use the derived limits for both cuspy and cored dark matter profiles to constrain supersymmetric wino models.
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Affiliation(s)
- H Abe
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - S Abe
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - V A Acciari
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - T Aniello
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - S Ansoldi
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - L A Antonelli
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - A Arbet Engels
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - C Arcaro
- Università di Padova and INFN, I-35131 Padova, Italy
| | - M Artero
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - K Asano
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - D Baack
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - A Babić
- Croatian MAGIC Group: University of Zagreb, Faculty of Electrical Engineering and Computing (FER), 10000 Zagreb, Croatia
| | - A Baquero
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - U Barres de Almeida
- Centro Brasileiro de Pesquisas Físicas (CBPF), 22290-180 URCA, Rio de Janeiro (RJ), Brazil
| | - J A Barrio
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - I Batković
- Università di Padova and INFN, I-35131 Padova, Italy
| | - J Baxter
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - J Becerra González
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - W Bednarek
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Astrophysics, 90-236 Lodz, Poland
| | - E Bernardini
- Università di Padova and INFN, I-35131 Padova, Italy
| | - M Bernardos
- Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008 Granada, Spain
| | - A Berti
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - J Besenrieder
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - W Bhattacharyya
- Deutsches Elektronen-Synchrotron (DESY), D-15738 Zeuthen, Germany
| | - C Bigongiari
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - A Biland
- ETH Zürich, CH-8093 Zürich, Switzerland
| | - O Blanch
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - G Bonnoli
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - Ž Bošnjak
- Croatian MAGIC Group: University of Zagreb, Faculty of Electrical Engineering and Computing (FER), 10000 Zagreb, Croatia
| | - I Burelli
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - G Busetto
- Università di Padova and INFN, I-35131 Padova, Italy
| | - R Carosi
- Università di Pisa and INFN Pisa, I-56126 Pisa, Italy
| | | | - G Ceribella
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - Y Chai
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A Chilingarian
- Armenian MAGIC Group: A. Alikhanyan National Science Laboratory, 0036 Yerevan, Armenia
| | - S Cikota
- Croatian MAGIC Group: University of Zagreb, Faculty of Electrical Engineering and Computing (FER), 10000 Zagreb, Croatia
| | - E Colombo
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - J L Contreras
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - J Cortina
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, E-28040 Madrid, Spain
| | - S Covino
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - G D'Amico
- Department for Physics and Technology, University of Bergen, Norway
| | - V D'Elia
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - P Da Vela
- Università di Pisa and INFN Pisa, I-56126 Pisa, Italy
| | - F Dazzi
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - A De Angelis
- Università di Padova and INFN, I-35131 Padova, Italy
| | - B De Lotto
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - A Del Popolo
- INFN MAGIC Group: INFN Sezione di Catania and Dipartimento di Fisica e Astronomia, University of Catania, I-95123 Catania, Italy
| | - M Delfino
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - J Delgado
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - C Delgado Mendez
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, E-28040 Madrid, Spain
| | - D Depaoli
- INFN MAGIC Group: INFN Sezione di Torino and Università degli Studi di Torino, I-10125 Torino, Italy
| | - F Di Pierro
- INFN MAGIC Group: INFN Sezione di Torino and Università degli Studi di Torino, I-10125 Torino, Italy
| | - L Di Venere
- INFN MAGIC Group: INFN Sezione di Bari and Dipartimento Interateneo di Fisica dell'Università e del Politecnico di Bari, I-70125 Bari, Italy
| | - E Do Souto Espiñeira
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - D Dominis Prester
- Croatian MAGIC Group: University of Rijeka, Department of Physics, 51000 Rijeka, Croatia
| | - A Donini
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - D Dorner
- Universität Würzburg, D-97074 Würzburg, Germany
| | - M Doro
- Università di Padova and INFN, I-35131 Padova, Italy
| | - D Elsaesser
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - G Emery
- University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland
| | - V Fallah Ramazani
- Finnish MAGIC Group: Finnish Centre for Astronomy with ESO, University of Turku, FI-20014 Turku, Finland
| | - L Fariña
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - A Fattorini
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - L Font
- Departament de Física, and CERES-IEEC, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
| | - C Fruck
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - S Fukami
- ETH Zürich, CH-8093 Zürich, Switzerland
| | - Y Fukazawa
- Japanese MAGIC Group: Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 739-8526 Hiroshima, Japan
| | - R J García López
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - M Garczarczyk
- Deutsches Elektronen-Synchrotron (DESY), D-15738 Zeuthen, Germany
| | - S Gasparyan
- Armenian MAGIC Group: ICRANet-Armenia at NAS RA, 0019 Yerevan, Armenia
| | - M Gaug
- Departament de Física, and CERES-IEEC, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
| | - J G Giesbrecht Paiva
- Centro Brasileiro de Pesquisas Físicas (CBPF), 22290-180 URCA, Rio de Janeiro (RJ), Brazil
| | - N Giglietto
- INFN MAGIC Group: INFN Sezione di Bari and Dipartimento Interateneo di Fisica dell'Università e del Politecnico di Bari, I-70125 Bari, Italy
| | - F Giordano
- INFN MAGIC Group: INFN Sezione di Bari and Dipartimento Interateneo di Fisica dell'Università e del Politecnico di Bari, I-70125 Bari, Italy
| | - P Gliwny
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Astrophysics, 90-236 Lodz, Poland
| | - N Godinović
- Croatian MAGIC Group: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture (FESB), 21000 Split, Croatia
| | - J G Green
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - D Green
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - D Hadasch
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - A Hahn
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - T Hassan
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, E-28040 Madrid, Spain
| | - L Heckmann
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - J Herrera
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - D Hrupec
- Croatian MAGIC Group: Josip Juraj Strossmayer University of Osijek, Department of Physics, 31000 Osijek, Croatia
| | - M Hütten
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - R Imazawa
- Japanese MAGIC Group: Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 739-8526 Hiroshima, Japan
| | - T Inada
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - R Iotov
- Universität Würzburg, D-97074 Würzburg, Germany
| | - K Ishio
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Astrophysics, 90-236 Lodz, Poland
| | - I Jiménez Martínez
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, E-28040 Madrid, Spain
| | - J Jormanainen
- Finnish MAGIC Group: Finnish Centre for Astronomy with ESO, University of Turku, FI-20014 Turku, Finland
| | - D Kerszberg
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - Y Kobayashi
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - H Kubo
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - J Kushida
- Japanese MAGIC Group: Department of Physics, Tokai University, Hiratsuka, 259-1292 Kanagawa, Japan
| | - A Lamastra
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - D Lelas
- Croatian MAGIC Group: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture (FESB), 21000 Split, Croatia
| | - F Leone
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - E Lindfors
- Finnish MAGIC Group: Finnish Centre for Astronomy with ESO, University of Turku, FI-20014 Turku, Finland
| | - L Linhoff
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - S Lombardi
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - F Longo
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - R López-Coto
- Università di Padova and INFN, I-35131 Padova, Italy
| | - M López-Moya
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - A López-Oramas
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - S Loporchio
- INFN MAGIC Group: INFN Sezione di Bari and Dipartimento Interateneo di Fisica dell'Università e del Politecnico di Bari, I-70125 Bari, Italy
| | - A Lorini
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - E Lyard
- University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland
| | | | - P Majumdar
- Saha Institute of Nuclear Physics, A CI of Homi Bhabha National Institute, Kolkata 700064, West Bengal, India
| | - M Makariev
- Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria
| | - G Maneva
- Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria
| | - N Mang
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - M Manganaro
- Croatian MAGIC Group: University of Rijeka, Department of Physics, 51000 Rijeka, Croatia
| | - S Mangano
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, E-28040 Madrid, Spain
| | - K Mannheim
- Universität Würzburg, D-97074 Würzburg, Germany
| | - M Mariotti
- Università di Padova and INFN, I-35131 Padova, Italy
| | - M Martínez
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - A Mas Aguilar
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - D Mazin
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - S Menchiari
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - S Mender
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - S Mićanović
- Croatian MAGIC Group: University of Rijeka, Department of Physics, 51000 Rijeka, Croatia
| | - D Miceli
- Università di Padova and INFN, I-35131 Padova, Italy
| | - T Miener
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - J M Miranda
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - R Mirzoyan
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - E Molina
- Universitat de Barcelona, ICCUB, IEEC-UB, E-08028 Barcelona, Spain
| | - H A Mondal
- Saha Institute of Nuclear Physics, A CI of Homi Bhabha National Institute, Kolkata 700064, West Bengal, India
| | - A Moralejo
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - D Morcuende
- IPARCOS Institute and EMFTEL Department, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - V Moreno
- Departament de Física, and CERES-IEEC, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
| | - T Nakamori
- Japanese MAGIC Group: Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - C Nanci
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - L Nava
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - V Neustroev
- Finnish MAGIC Group: Space Physics and Astronomy Research Unit, University of Oulu, FI-90014 Oulu, Finland
| | - M Nievas Rosillo
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - C Nigro
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - K Nilsson
- Finnish MAGIC Group: Finnish Centre for Astronomy with ESO, University of Turku, FI-20014 Turku, Finland
| | - K Nishijima
- Japanese MAGIC Group: Department of Physics, Tokai University, Hiratsuka, 259-1292 Kanagawa, Japan
| | - T Njoh Ekoume
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - K Noda
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - S Nozaki
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - Y Ohtani
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - T Oka
- Japanese MAGIC Group: Department of Physics, Kyoto University, 606-8502 Kyoto, Japan
| | - J Otero-Santos
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - S Paiano
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - M Palatiello
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - D Paneque
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - R Paoletti
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - J M Paredes
- Universitat de Barcelona, ICCUB, IEEC-UB, E-08028 Barcelona, Spain
| | - L Pavletić
- Croatian MAGIC Group: University of Rijeka, Department of Physics, 51000 Rijeka, Croatia
| | - M Persic
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - M Pihet
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F Podobnik
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | | | - E Prandini
- Università di Padova and INFN, I-35131 Padova, Italy
| | - G Principe
- Università di Udine and INFN Trieste, I-33100 Udine, Italy
| | - C Priyadarshi
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - I Puljak
- Croatian MAGIC Group: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture (FESB), 21000 Split, Croatia
| | - W Rhode
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - M Ribó
- Universitat de Barcelona, ICCUB, IEEC-UB, E-08028 Barcelona, Spain
| | - J Rico
- Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
| | - C Righi
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - A Rugliancich
- Università di Pisa and INFN Pisa, I-56126 Pisa, Italy
| | - N Sahakyan
- Armenian MAGIC Group: ICRANet-Armenia at NAS RA, 0019 Yerevan, Armenia
| | - T Saito
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - S Sakurai
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - K Satalecka
- Finnish MAGIC Group: Finnish Centre for Astronomy with ESO, University of Turku, FI-20014 Turku, Finland
| | - F G Saturni
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | | | - K Schmidt
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | | | - J L Schubert
- Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - T Schweizer
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - J Sitarek
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Astrophysics, 90-236 Lodz, Poland
| | - V Sliusar
- University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland
| | - D Sobczynska
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Astrophysics, 90-236 Lodz, Poland
| | - A Spolon
- Università di Padova and INFN, I-35131 Padova, Italy
| | - A Stamerra
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - J Strišković
- Croatian MAGIC Group: Josip Juraj Strossmayer University of Osijek, Department of Physics, 31000 Osijek, Croatia
| | - D Strom
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - M Strzys
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - Y Suda
- Japanese MAGIC Group: Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 739-8526 Hiroshima, Japan
| | - T Surić
- Croatian MAGIC Group: Ruđer Bošković Institute, 10000 Zagreb, Croatia
| | - M Takahashi
- Japanese MAGIC Group: Institute for Space-Earth Environmental Research and Kobayashi-Maskawa Institute for the Origin of Particles and the Universe, Nagoya University, 464-6801 Nagoya, Japan
| | - R Takeishi
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - F Tavecchio
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - P Temnikov
- Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria
| | - K Terauchi
- Japanese MAGIC Group: Department of Physics, Kyoto University, 606-8502 Kyoto, Japan
| | - T Terzić
- Croatian MAGIC Group: University of Rijeka, Department of Physics, 51000 Rijeka, Croatia
| | - M Teshima
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - L Tosti
- INFN MAGIC Group: INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - S Truzzi
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - A Tutone
- National Institute for Astrophysics (INAF), I-00136 Rome, Italy
| | - S Ubach
- Departament de Física, and CERES-IEEC, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
| | | | - M Vazquez Acosta
- Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
| | - S Ventura
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - V Verguilov
- Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria
| | - I Viale
- Università di Padova and INFN, I-35131 Padova, Italy
| | - C F Vigorito
- INFN MAGIC Group: INFN Sezione di Torino and Università degli Studi di Torino, I-10125 Torino, Italy
| | - V Vitale
- INFN MAGIC Group: INFN Roma Tor Vergata, I-00133 Roma, Italy
| | - I Vovk
- Japanese MAGIC Group: Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, 277-8582 Chiba, Japan
| | - R Walter
- University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland
| | - M Will
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - C Wunderlich
- Università di Siena and INFN Pisa, I-53100 Siena, Italy
| | - T Yamamoto
- Japanese MAGIC Group: Department of Physics, Konan University, Kobe, Hyogo 658-8501, Japan
| | - D Zarić
- Croatian MAGIC Group: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture (FESB), 21000 Split, Croatia
| | - N Hiroshima
- Department of Physics, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
- RIKEN iTHEMS, Wako, Saitama 351-0198, Japan
| | - K Kohri
- Theory Center, IPNS, KEK, Tsukuba, Ibaraki 305-0801, Japan
- The Graduate University for Advanced Studies (SOKENDAI), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
- Kavli IPMU (WPI), UTIAS, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
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Abe S, Asami S, Eizuka M, Futagi S, Gando A, Gando Y, Gima T, Goto A, Hachiya T, Hata K, Hayashida S, Hosokawa K, Ichimura K, Ieki S, Ikeda H, Inoue K, Ishidoshiro K, Kamei Y, Kawada N, Kishimoto Y, Koga M, Kurasawa M, Maemura N, Mitsui T, Miyake H, Nakahata T, Nakamura K, Nakamura K, Nakamura R, Ozaki H, Sakai T, Sambonsugi H, Shimizu I, Shirai J, Shiraishi K, Suzuki A, Suzuki Y, Takeuchi A, Tamae K, Ueshima K, Watanabe H, Yoshida Y, Obara S, Ichikawa AK, Chernyak D, Kozlov A, Nakamura KZ, Yoshida S, Takemoto Y, Umehara S, Fushimi K, Kotera K, Urano Y, Berger BE, Fujikawa BK, Learned JG, Maricic J, Axani SN, Smolsky J, Fu Z, Winslow LA, Efremenko Y, Karwowski HJ, Markoff DM, Tornow W, Dell'Oro S, O'Donnell T, Detwiler JA, Enomoto S, Decowski MP, Grant C, Li A, Song H. Search for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region with KamLAND-Zen. Phys Rev Lett 2023; 130:051801. [PMID: 36800472 DOI: 10.1103/physrevlett.130.051801] [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] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/10/2022] [Accepted: 11/29/2022] [Indexed: 06/18/2023]
Abstract
The KamLAND-Zen experiment has provided stringent constraints on the neutrinoless double-beta (0νββ) decay half-life in ^{136}Xe using a xenon-loaded liquid scintillator. We report an improved search using an upgraded detector with almost double the amount of xenon and an ultralow radioactivity container, corresponding to an exposure of 970 kg yr of ^{136}Xe. These new data provide valuable insight into backgrounds, especially from cosmic muon spallation of xenon, and have required the use of novel background rejection techniques. We obtain a lower limit for the 0νββ decay half-life of T_{1/2}^{0ν}>2.3×10^{26} yr at 90% C.L., corresponding to upper limits on the effective Majorana neutrino mass of 36-156 meV using commonly adopted nuclear matrix element calculations.
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Affiliation(s)
- S Abe
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Asami
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - M Eizuka
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Futagi
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - A Gando
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Gando
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Gima
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - A Goto
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Hachiya
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Hata
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Hayashida
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Hosokawa
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Ichimura
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Ieki
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Ikeda
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Inoue
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - K Ishidoshiro
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Kamei
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - N Kawada
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Kishimoto
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - M Koga
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - M Kurasawa
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - N Maemura
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Mitsui
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Miyake
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - T Nakahata
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Nakamura
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Nakamura
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - R Nakamura
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Ozaki
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
- Graduate Program on Physics for the Universe, Tohoku University, Sendai 980-8578, Japan
| | - T Sakai
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Sambonsugi
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - I Shimizu
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - J Shirai
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Shiraishi
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - A Suzuki
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Suzuki
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - A Takeuchi
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Tamae
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - K Ueshima
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - H Watanabe
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - Y Yoshida
- Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan
| | - S Obara
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980-8578, Japan
| | - A K Ichikawa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - D Chernyak
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - A Kozlov
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
| | - K Z Nakamura
- Kyoto University, Department of Physics, Kyoto 606-8502, Japan
| | - S Yoshida
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y Takemoto
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S Umehara
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - K Fushimi
- Department of Physics, Tokushima University, Tokushima 770-8506, Japan
| | - K Kotera
- Graduate School of Integrated Arts and Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Y Urano
- Graduate School of Integrated Arts and Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - B E Berger
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - B K Fujikawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J G Learned
- Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
| | - J Maricic
- Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
| | - S N Axani
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - J Smolsky
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Z Fu
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - L A Winslow
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Y Efremenko
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - H J Karwowski
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - D M Markoff
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - W Tornow
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - S Dell'Oro
- Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - T O'Donnell
- Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - J A Detwiler
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Center for Experimental Nuclear Physics and Astrophysics, University of Washington, Seattle, Washington 98195, USA
| | - S Enomoto
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Center for Experimental Nuclear Physics and Astrophysics, University of Washington, Seattle, Washington 98195, USA
| | - M P Decowski
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Nikhef and the University of Amsterdam, Science Park, Amsterdam, Netherlands
| | - C Grant
- Boston University, Boston, Massachusetts 02215, USA
| | - A Li
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA; Physics Departments at Duke University, Durham, North Carolina 27708, USA; North Carolina Central University, Durham, North Carolina 27707, USA; and The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
- Boston University, Boston, Massachusetts 02215, USA
| | - H Song
- Boston University, Boston, Massachusetts 02215, USA
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Kobayashi K, Minegishi G, Kuriyama N, Miyajima A, Abe S, Kazuki K, Kazuki Y. Metabolic Disposition of Triazolam and Clobazam in Humanized CYP3A Mice with a Double-Knockout Background of Mouse Cyp2c and Cyp3a Genes. Drug Metab Dispos 2023; 51:174-182. [PMID: 36379710 DOI: 10.1124/dmd.122.001087] [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: 08/18/2022] [Revised: 10/16/2022] [Accepted: 11/03/2022] [Indexed: 11/17/2022] Open
Abstract
Knockout (KO) of mouse Cyp3a genes increases the expression of hepatic CYP2C enzymes, which can metabolize triazolam, a typical substrate of human CYP3A. There is still marked formation of 1'-hydroxytriazolam in Cyp3a-KO (3aKO) mice after triazolam dosing. Here, we generated a new model of humanized CYP3A (hCYP3A) mice with a double-KO background of Cyp3a and Cyp2c genes (2c3aKO), and we examined the metabolic profiles of triazolam in wild-type (WT), 2c3aKO, and hCYP3A/2c3aKO mice in vitro and in vivo In vitro studies using liver microsomes showed that the formation of 1'-hydroxytriazolam in 2c3aKO mice was less than 8% of that in WT mice. The formation rate of 1'-hydroxytriazolam in hCYP3A/2c3aKO mice was eightfold higher than that in 2c3aKO mice. In vivo studies showed that area under the curve (AUC) of 1'-hydroxytriazolam in 2c3aKO mice was less than 3% of that in WT mice. The AUC of 1'-hydroxytriazolam in hCYP3A/2c3aKO mice was sixfold higher than that in 2c3aKO mice. These results showed that formation of 1'-hydroxytriazolam was significantly decreased in 2c3aKO mice. Metabolic functions of human CYP3A enzymes were distinctly found in hCYP3A mice with the 2c3aKO background. Moreover, hCYP3A/2c3aKO mice treated with clobazam showed human CYP3A-mediated formation of desmethylclobazam and prolonged elimination of desmethylclobazam, which is found in poor metabolizers of CYP2C19. The novel hCYP3A mouse model without mouse Cyp2c and Cyp3a genes (hCYP3A/2c3aKO) is expected to be useful to evaluate human CYP3A-mediated metabolism in vivo SIGNIFICANT STATEMENT: Humanized CYP3A (hCYP3A/2c3aKO) mice with a background of double knockout (KO) for mouse Cyp2c and Cyp3a genes were generated. Although CYP2C enzymes played a compensatory role in the metabolism of triazolam to 1'-hydroxytriazolam in the previous hCYP3A/3aKO mice with Cyp2c genes, the novel hCYP3A/2c3aKO mice clearly showed functions of human CYP3A enzymes introduced by chromosome engineering technology.
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Affiliation(s)
- Kaoru Kobayashi
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
| | - Genki Minegishi
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
| | - Nina Kuriyama
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
| | - Atsushi Miyajima
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
| | - Satoshi Abe
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
| | - Kanako Kazuki
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
| | - Yasuhiro Kazuki
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Kiyose, Japan (K.Ko., G.M., N.K., A.M.) and Chromosome Engineering Research Center (CERC) (S.A., K.Ka., Y.K.) and Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine (Y.K.), Tottori University, Tottori, Japan
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Abe S, Onoda K, Takamura M, Nitta E, Nagai A, Yamaguchi S. Altered Feedback-Related Negativity in Mild Cognitive Impairment. Brain Sci 2023; 13:brainsci13020203. [PMID: 36831745 PMCID: PMC9953936 DOI: 10.3390/brainsci13020203] [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: 12/30/2022] [Revised: 01/19/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
INTRODUCTION Feedback-related negativity (FRN) is electrical brain activity related to the function of monitoring behavior and its outcome. FRN is generated by negative feedback input, such as punishment or monetary loss, and its potential is distributed maximally over the frontal-central part of the skull. Our previous study demonstrated that FRN latency was delayed and that the amplitude was increased in patients with mild Alzheimer's disease (AD). As mild cognitive impairment (MCI) is considered to be a prodromal stage of AD, we speculated that FRN would also be altered in MCI, as in AD. The aim of this study is to examine whether MCI patients showed changes in FRN during a gambling task. METHODS Thirteen MCI patients and thirteen age-matched healthy elderly individuals participated in a simple gambling task and underwent neuro-psychological assessments. The participants were asked to choose one out of two options and randomly received positive or negative feedback to their response. An EEG was recorded during the task, and FRN was obtained by subtracting the positive feedback-related activity from the negative feedback-related activity. RESULTS The reaction time to probe stimuli was comparable in the two groups. The group comparisons revealed that the FRN amplitude was significantly larger for the MCI group than for the healthy elderly (F(1,24) = 6.4, ηp2 = 0.22, p = 0.019), but there was no group difference in the FRN latency. The FRN amplitude at the frontocentral electrode positively correlated with the mini-mental state examination score (Spearman's rhopartial = 0.41, p = 0.043). The finding of increased FRN amplitude in MCI was consistent with the previous finding in AD. CONCLUSION Our findings indicate that monitoring dysfunction might also be involved in the prodromal stage of dementia.
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Affiliation(s)
- Satoshi Abe
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
- Correspondence:
| | - Keiichi Onoda
- Department of Psychology, Otemon Gakuin University, Ibaraki, Osaka 567-8502, Japan
| | - Masahiro Takamura
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
| | - Eri Nitta
- Laboratory Medicine, Shimane University Hospital, Izumo, Shimane 693-8501, Japan
| | - Atsushi Nagai
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
| | - Shuhei Yamaguchi
- Department of Neurology, Shimane Prefectural Central Hospital, Izumo, Shimane 693-8555, Japan
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Abe S, Sibamoto Y. Large-eddy simulation on gas mixing induced by the high-buoyancy flow in the CIGMA facility. Nuclear Engineering and Technology 2023. [DOI: 10.1016/j.net.2023.01.019] [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: 01/20/2023]
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Yamazaki K, Matsuo K, Okada A, Uno N, Suzuki T, Abe S, Hamamichi S, Kishima N, Togai S, Tomizuka K, Kazuki Y. Simultaneous loading of PCR-based multiple fragments on mouse artificial chromosome vectors in DT40 cell for gene delivery. Sci Rep 2022; 12:21790. [PMID: 36526651 PMCID: PMC9758134 DOI: 10.1038/s41598-022-25959-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 09/09/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Homology-directed repair-mediated knock-in (HDR-KI) in combination with CRISPR-Cas9-mediated double strand break (DSB) leads to high frequency of site-specific HDR-KI. While this characteristic is advantageous for generating genetically modified cellular and animal models, HDR-KI efficiency in mammalian cells remains low. Since avian DT40 cells offer distinct advantage of high HDR-KI efficiency, we expanded this practicality to adapt to mammalian research through sequential insertion of target sequences into mouse/human artificial chromosome vector (MAC/HAC). Here, we developed the simultaneous insertion of multiple fragments by HDR method termed the simHDR wherein a target sequence and selection markers could be loaded onto MAC simultaneously. Additionally, preparing each HDR donor containing homology arm by PCR could bypass the cloning steps of target sequence and selection markers. To confirm the functionality of the loaded HDR donors, we constructed a MAC with human leukocyte antigen A (HLA-A) gene in the DT40 cells, and verified the expression of this genomic region by reverse transcription PCR (RT-PCR) and western blotting. Collectively, the simHDR offers a rapid and convenient approach to generate genetically modified models for investigating gene functions, as well as understanding disease mechanisms and therapeutic interventions.
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Affiliation(s)
- Kyotaro Yamazaki
- grid.265107.70000 0001 0663 5064Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan ,grid.265107.70000 0001 0663 5064Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Kyosuke Matsuo
- grid.265107.70000 0001 0663 5064Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Akane Okada
- grid.265107.70000 0001 0663 5064Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Narumi Uno
- grid.410785.f0000 0001 0659 6325Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392 Japan
| | - Teruhiko Suzuki
- grid.272456.00000 0000 9343 3630Stem Cell Project, Tokyo Metropolitan Institute of Medical Science, Kamikitazawa, Setagaya-ku, Tokyo, 156-8506 Japan
| | - Satoshi Abe
- grid.265107.70000 0001 0663 5064Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Shusei Hamamichi
- grid.265107.70000 0001 0663 5064Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Nanami Kishima
- grid.265107.70000 0001 0663 5064Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Shota Togai
- grid.265107.70000 0001 0663 5064Department of Chromosome Biomedical Engineering, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503 Japan
| | - Kazuma Tomizuka
- grid.410785.f0000 0001 0659 6325Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392 Japan
| | - Yasuhiro Kazuki
- Department of Chromosome Biomedical Engineering, Integrated Medical Sciences, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. .,Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. .,Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. .,Department of Chromosome Biomedical Engineering, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. .,Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. .,Chromosome Engineering Research Group, The Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi, 444-8787, Japan.
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Kobayashi K, Deguchi T, Abe S, Kajitani N, Kazuki K, Takehara S, Nakamura K, Kurihara A, Oshimura M, Kazuki Y. Analysis of in vitro and in vivo metabolism of zidovudine and gemfibrozil in trans-chromosomic mouse line expressing human UGT2 enzymes. Pharmacol Res Perspect 2022; 10:e01030. [PMID: 36424908 PMCID: PMC9692130 DOI: 10.1002/prp2.1030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 07/08/2022] [Revised: 09/02/2022] [Accepted: 09/23/2022] [Indexed: 11/27/2022] Open
Abstract
UDP-glucuronosyltransferases (UGTs) catalyze the conjugation of various substrates with sugars. Since the UGT2 family forms a large cluster spanning 1.5 Mb, transgenic mouse lines carrying the entire human UGT2 family have not been constructed because of limitations in conventional cloning techniques. Therefore, we made a humanized mouse model for UGT2 by chromosome engineering technologies. The results showed that six UGT2 isoforms examined were expressed in the liver of adult humanized UGT2 (hUGT2) mice. Thus, the functions of human UGT2B7 in the liver of hUGT2 mice were evaluated. Glucuronide of azidothymidine (AZT, zidovudine), a typical UGT2B7 substrate, was formed in the liver microsomes of hUGT2 mice but not in the liver microsomes of wild-type and Ugt2-knockout mice. When AZT was intravenously administered, AZT glucuronide was detected in the bile and urine of hUGT2 mice, but it was not detected in the bile and urine of wild-type and Ugt2-knockout mice. These results indicated that the hUGT2 mice express functional human UGT2B7 in the liver. This finding was also confirmed by using gemfibrozil as an alternative UGT2B7 substrate. Gemfibrozil glucuronide was formed in the liver microsomes of hUGT2 mice and was mainly excreted in the bile of hUGT2 mice after intravenous dosing of gemfibrozil. This hUGT2 mouse model will enable improved predictions of pharmacokinetics, urinary and biliary excretion and drug-drug interactions mediated by human UGT2, at least UGT2B7, in drug development research and basic research.
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Affiliation(s)
- Kaoru Kobayashi
- Department of Biopharmaceutics, Graduate School of Clinical PharmacyMeiji Pharmaceutical UniversityKiyose, TokyoJapan
| | - Tsuneo Deguchi
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd.Chuo‐ku, TokyoJapan
| | - Satoshi Abe
- Chromosome Engineering Research Center (CERC)Tottori UniversityYonago, TottoriJapan
| | - Naoyo Kajitani
- Chromosome Engineering Research Center (CERC)Tottori UniversityYonago, TottoriJapan
| | - Kanako Kazuki
- Chromosome Engineering Research Center (CERC)Tottori UniversityYonago, TottoriJapan
| | - Shoko Takehara
- Chromosome Engineering Research Center (CERC)Tottori UniversityYonago, TottoriJapan
| | - Kazuomi Nakamura
- Advanced Medicine, Innovation and Clinical Research CenterTottori University HospitalYonago, TottoriJapan
| | - Atsushi Kurihara
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd.Chuo‐ku, TokyoJapan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center (CERC)Tottori UniversityYonago, TottoriJapan
| | - Yasuhiro Kazuki
- Chromosome Engineering Research Center (CERC)Tottori UniversityYonago, TottoriJapan,Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of MedicineTottori UniversityYonagi, TottoriJapan
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Hayashi M, Otsuki K, Miura S, Mihara Y, Abe S, Inagaki M. Delayed encephalopathy after carbon monoxide poisoning treated with corticosteroid monotherapy: case report. Psychiatry Clin Neurosci 2022; 76:600-602. [PMID: 35946938 DOI: 10.1111/pcn.13457] [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] [Received: 03/09/2022] [Revised: 06/02/2022] [Accepted: 07/27/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Mai Hayashi
- Department of Psychiatry, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Koji Otsuki
- Department of Psychiatry, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Shoko Miura
- Department of Psychiatry, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Yasuha Mihara
- Department of Psychiatry, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Satoshi Abe
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo, Japan
| | - Masatoshi Inagaki
- Department of Psychiatry, Faculty of Medicine, Shimane University, Izumo, Japan
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Yamasaki Y, Moriwaki T, Ogata S, Ito S, Ohtsuki S, Minegishi G, Abe S, Ohta Y, Kazuki K, Kobayashi K, Kazuki Y. Influence of MDR1 gene polymorphism (2677G>T) on expression and function of P-glycoprotein at the blood-brain barrier: utilizing novel P-glycoprotein humanized mice with mutation. Pharmacogenet Genomics 2022; 32:288-292. [PMID: 35997049 DOI: 10.1097/fpc.0000000000000481] [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] [Indexed: 11/26/2022]
Abstract
P-glycoprotein, the encoded product of the MDR1 / ABCB1 gene in humans, is expressed in numerous tissues including brain capillary endothelial cells and restricts the distribution of xenobiotics into the brain as an efflux pump. Although a large number of single nucleotide polymorphisms in the MDR1 gene have been identified, the influence of the nonsynonymous 2677G>T/A single nucleotide polymorphism on P-glycoprotein at the blood-brain barrier has remained unclear. In the present study, we developed a novel P-glycoprotein humanized mouse line carrying the 2677G>T mutation by utilizing a mouse artificial chromosome vector constructed by genetic engineering technology and we evaluated the influence of 2677G>T on the expression and function of P-glycoprotein at the blood-brain barrier in vivo . The results of this study showed that the introduction of the 2677G>T mutation does not alter the expression levels of P-glycoprotein protein in the brain capillary fraction. On the other hand, the brain penetration of verapamil, a representative substrate of P-glycoprotein, was increased by the introduction of the 2677G>T mutation. These results suggested that the 2677G>T single nucleotide polymorphism may attenuate the function of P-glycoprotein, resulting in increased brain penetration of P-glycoprotein substrates, without altering the expression levels of P-glycoprotein protein in the blood-brain barrier. This mutant mouse line is a useful model for elucidating the influence of an MDR1 gene single nucleotide polymorphism on the expression and function of P-glycoprotein at the blood-brain barrier.
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Affiliation(s)
- Yuki Yamasaki
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba
| | - Takashi Moriwaki
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University
| | - Seiryo Ogata
- Graduate School of Pharmaceutical Sciences, Kumamoto University
| | - Shingo Ito
- Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, Kumamoto
| | - Sumio Ohtsuki
- Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, Kumamoto
| | - Genki Minegishi
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Tokyo
| | - Satoshi Abe
- Chromosome Engineering Research Center, Tottori University, Tottori, Japan
| | - Yumi Ohta
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University
| | - Kanako Kazuki
- Chromosome Engineering Research Center, Tottori University, Tottori, Japan
| | - Kaoru Kobayashi
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba
- Department of Biopharmaceutics, Graduate School of Clinical Pharmacy, Meiji Pharmaceutical University, Tokyo
| | - Yasuhiro Kazuki
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University
- Chromosome Engineering Research Center, Tottori University, Tottori, Japan
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Okayasu T, Ohta R, Yamane F, Abe S, Sano C. Hypoglossal Nerve Palsy Following COVID-19 Vaccination in a Young Adult Complicated by Various Medicines. Cureus 2022; 14:e29212. [PMID: 36259036 PMCID: PMC9569189 DOI: 10.7759/cureus.29212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2022] [Indexed: 11/05/2022] Open
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Sugawara Y, Yoshihisa A, Takeishi R, Ohara H, Anzai F, Hotsuki Y, Watanabe K, Sato Y, Abe S, Misaka T, Sato T, Oikawa M, Kobayashi A, Nakazato K, Takeishi Y. Prognostic Effects of Changes in Right Ventricular Fractional Area Change in Patients With Heart Failure. Circ J 2022; 86:1982-1989. [PMID: 35786693 DOI: 10.1253/circj.cj-22-0212] [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: 11/09/2022]
Abstract
BACKGROUND It is still unclear whether changes in right ventricular function are associated with prognosis in heart failure (HF) patients. This study aimed to examine the prognostic effect of changes in right ventricular fractional area change (RVFAC).Methods and Results: This study enrolled 480 hospitalized patients with decompensated HF, and measured RVFAC with echocardiography at discharge (first examination) and post-discharge in the outpatient setting (second examination). RVFAC was divided into 3 categories: >35% in 314 patients, 25-35% in 108 patients, and <25% in 58 patients. Next, based on changes in RVFAC from the first to the second examination, the patients were further classed into 4 groups: (1) Preserved/Unchanged (preserved and unchanged RVFAC, n=235); (2) Reduced/Improved (improved RVFAC in at least 1 category, n=106); (3) Reduced/Unchanged (reduced and unchanged RVFAC, n=47); and (4) Preserved or Reduced/Worsened (deteriorated RVAFC in at least 1 category, n=92). Multivariate logistic regression analysis revealed that chronic kidney disease and anemia were the predictors of the preserved or reduced/worsened RVFAC. In the Kaplan-Meier analysis, changes in RVFAC were associated with the cardiac event rate and all-cause mortality. In the multivariable Cox proportional hazard analysis, the preserved or reduced/worsened RVFAC was an independent predictor of cardiac events and all-cause mortality. CONCLUSIONS Changes in RVFAC were associated with post-discharge prognosis in hospitalized heart failure patients.
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Affiliation(s)
- Yukiko Sugawara
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University.,Department of Clinical Laboratory Sciences, Fukushima Medical University School of Health Science
| | - Ryohei Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Himika Ohara
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Fumiya Anzai
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yu Hotsuki
- Department of Cardiovascular Medicine, Fukushima Medical University
| | | | - Yu Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Takamasa Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University
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Asayama K, Hayashi K, Kanai Y, Tahara N, Kato Y, Abe S, Mitaki S, Nagai A. [A case of Coexistent Persistent Trigeminal and Hypoglossal Arteries Manifested with Neurovascular Compression Syndrome by Hypertension]. Brain Nerve 2022; 74:811-816. [PMID: 35676216 DOI: 10.11477/mf.1416202125] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A 70-year-old woman visited our hospital with hypertension, diplopia, and right orbital pain. Neurological examination revealed right ophthalmoplegia. CT angiography and MRI identified a right persistent trigeminal artery (PTA), right persistent hypoglossal artery, and bovine aortic arch. The right internal carotid artery (ICA) was displaced laterally in the cavernous sinus due to the bifurcation of the PTA. Compression of the right oculomotor nerve, right trochlear nerve, and first division of the right trigeminal nerve by the elongated right ICA was noted and considered a potential cause of the ophthalmoplegia and orbital pain. Symptoms improved with normalization of blood pressure. During embryonic development, the right posterior communicating artery and bilateral vertebral arteries were aplastic or hypoplastic, which suggests that these carotid-basilar anastomoses may have remained as supply routes to provide sufficient blood flow to the posterior cerebral circulation. This is an extremely rare case of embryological implications manifested with neurovascular compression syndrome. (Received 6 January, 2022; Accepted 17 February, 2022; Published 1 June, 2022).
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Affiliation(s)
- Kosuke Asayama
- Department of Neurology, Shimane University Faculty of Medicine
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Suda T, Sugimoto A, Kanefuji T, Abe A, Yokoo T, Hoshi T, Abe S, Morita S, Yagi K, Takahashi M, Terai S. Gravity assistance enables liver stiffness measurements to detect liver fibrosis under congestive circumstances. World J Hepatol 2022; 14:778-790. [PMID: 35646263 PMCID: PMC9099107 DOI: 10.4254/wjh.v14.i4.778] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/30/2021] [Accepted: 03/06/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND As survival has been prolonged owing to surgical and medical improvements, liver failure has become a prognostic determinant in patients with congestive heart diseases. Congestive hepatopathy, an abnormal state of the liver as a result of congestion, insidiously proceed toward end-stage liver disease without effective biomarkers evaluating pathological progression. Regular measurements of shear wave elastography cannot qualify liver fibrosis, which is a prognosticator in any type of chronic liver disease, in cases of congestion because congestion makes the liver stiff without fibrosis. We hypothesized that the effects of congestion and fibrosis on liver stiffness can be dissociated by inducing architectural deformation of the liver to expose structural rigidity. AIM To establish a strategy measuring liver stiffness as a reflection of architectural rigidity under congestion. METHODS Two-dimensional shear wave elastography (2dSWE) was measured in the supine (Sp) and left decubitus (Ld) positions in 298 consecutive cases as they were subjected to an ultrasound study for various liver diseases. Regions of interest were placed at twelve sites, and the median and robust coefficient of variation were calculated. Numerical data were compared using the Mann-Whitney U or Kruskal-Wallis test followed by Dunn's post-hoc multiple comparisons. The inferior vena cava (IVC) diameters at different body positions were compared using the Wilcoxon matched pairs signed rank test. The number of cases with cardiothoracic ratios greater than or not greater than 50% was compared using Fisher's exact test. A correlation of 2dSWE between different body positions was evaluated by calculating Spearman correlation coefficients. RESULTS The IVC diameter was significantly reduced in Ld in subjects with higher 2dSWE values in Ld (LdSWE) than in Sp (SpSWE) (P = 0.007, (average ± SD) 13.9 ± 3.6 vs 13.1 ± 3.4 mm) but not in those with lower LdSWE values (P = 0.32, 13.3 ± 3.5 vs 13.0 ± 3.5 mm). In 81 subjects, SpSWE was increased or decreased in Ld beyond the magnitude of robust coefficient of variation, which suggests that body postural changes induced an alteration of liver stiffness significantly larger than the technical dispersion. Among these subjects, all 37 with normal SpSWE had a higher LdSWE than SpSWE (Normal-to-Hard, SpSWE - LdSWE (∆2dSWE): (minimum-maximum) -0.74 - -0.08 m/sec), whereas in 44 residual subjects with abnormal SpSWE, LdSWE was higher in 27 subjects (Hard-to-Hard, -0.74 - -0.05 m/sec) and lower in 17 subjects (Hard-to-Soft, 0.04 - 0.52 m/sec) than SpSWE. SpSWE was significantly correlated with ∆2dSWE only in Hard-to-Soft (P < 0.0001). ∆2dSWE was larger in each lobe than in the entire liver. When Hard-to-Hard and Hard-to-Soft values were examined for each lobe, fibrosis-4 or platelet counts were significantly higher or lower only for Hard-to-Soft vs Normal-to-Hard cases. CONCLUSION Gravity alters the hepatic architecture during body postural changes, causing outflow blockage in hepatic veins. A rigid liver is resistant to structural deformation. Stiff-liver softening in the Ld position suggests a fibrous liver.
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Affiliation(s)
- Takeshi Suda
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minami Uonuma 949-7302, Niigata, Japan
| | - Ai Sugimoto
- Division of Thoracic and Cardiovascular Surgery, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8122, Japan
| | - Tsutomu Kanefuji
- Department of Gastroenterology and Hepatology, Tsubame Rosai Hospital, Tsubame 959-1228, Niigata, Japan
| | - Atsushi Abe
- Department of Administration, Joetsu-Area General Health Care Center, Joetsu 943-0803, Niigata, Japan
| | - Takeshi Yokoo
- Department of Preemptive Medicine for Digestive Diseases and Healthy Active Life, Niigata University School of Medicine, Niigata 951-8122, Japan.
| | - Takahiro Hoshi
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minami Uonuma 949-7302, Niigata, Japan
| | - Satoshi Abe
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minami Uonuma 949-7302, Niigata, Japan
| | - Shinichi Morita
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minami Uonuma 949-7302, Niigata, Japan
| | - Kazuyoshi Yagi
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minami Uonuma 949-7302, Niigata, Japan
| | - Masashi Takahashi
- Division of Thoracic and Cardiovascular Surgery, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8122, Japan
| | - Shuji Terai
- Division of Gastroenterology and Hepatology, School of Medical and Dental Sciences, Niigata University, Niigata 951-8122, Japan
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Shimizu T, Sakuma Y, Kurosawa Y, Muto Y, Sato A, Abe S, Misaka T, Oikawa M, Yoshihisa A, Yamaki T, Nakazato K, Ishida T, Takeishi Y. Validation of Japanese Bleeding Risk Criteria in Patients After Percutaneous Coronary Intervention and Comparison With Contemporary Bleeding Risk Criteria. Circ Rep 2022; 4:230-238. [PMID: 35600722 PMCID: PMC9072099 DOI: 10.1253/circrep.cr-22-0023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 11/30/2022] Open
Abstract
Background: The utility of the Japanese version of high bleeding risk (J-HBR) criteria compared with contemporary bleeding risk criteria, including Academic Research Consortium for High Bleeding Risk criteria, has not been fully investigated. Methods and Results: This study included patients who underwent percutaneous coronary intervention between 2010 and 2019. The J-HBR score was calculated by assigning 1 point for each major criterion and 0.5 points for each minor criterion in the J-HBR criteria. Among 1,643 patients, 1,143 (69.6%) met the J-HBR criteria. Accumulated major bleeding event rates at 1 year were higher among those who met the J-HBR criteria (4.8% vs. 0.6%; P<0.001). J-HBR criteria had higher sensitivity (94.8%) and lower specificity (31.4%) than contemporary bleeding risk criteria in predicting major bleeding. Bleeding events increased with increasing J-HBR score. The C statistic for the J-HBR score for predicting major bleeding at 1 year was 0.75 (95% confidence interval 0.69–0.81), and is comparable to that of other risk scores. In multivariate analysis, of the factors included in J-HBR criteria, chronic kidney disease, heart failure, and active malignancy were associated with major bleeding. Conclusions: J-HBR criteria identified patients at high bleeding risk with high sensitivity and low specificity. Bleeding risk was closely related to J-HBR score and its individual components. The discriminative ability of the J-HBR score was comparable to that of contemporary bleeding risk scores.
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Affiliation(s)
- Takeshi Shimizu
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yuya Sakuma
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yuta Kurosawa
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yuuki Muto
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Akihiko Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Takayoshi Yamaki
- Department of Cardiovascular Medicine, Fukushima Medical University
| | | | - Takafumi Ishida
- Department of Cardiovascular Medicine, Fukushima Medical University
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Mizuhara R, Mitaki S, Takamura M, Abe S, Onoda K, Yamaguchi S, Nagai A. Pulse pressure is associated with cognitive performance in Japanese non-demented population: a cross-sectional study. BMC Neurol 2022; 22:137. [PMID: 35410174 PMCID: PMC8996505 DOI: 10.1186/s12883-022-02666-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [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: 10/18/2021] [Accepted: 04/08/2022] [Indexed: 12/31/2022] Open
Abstract
Background Growing evidence suggests that vascular risk factors, especially hypertension, relate not only to cardiovascular disease but also to cognitive impairment. However, the impact of pulse pressure on cognitive function remains controversial. In this study, we evaluated the associations between pulse pressure and cognitive function in a Japanese health examination cohort using propensity matching analysis. Methods We examined 2,546 individuals with a mean age of 60.8 ± 10.3 years who voluntarily participated in health examination. Clinical variables included pulse pressure, and brain magnetic resonance imaging (MRI). We divided the participants into the high and low pulse pressure groups with a pre-defined cut-off value of 65 mmHg and evaluated their physical examination data, cognitive functions including Okabe’s test, Kohs’ test, and silent brain lesions using propensity matching. To clarify whether pulse pressure and blood pressure have different implications for cognitive function, a mediating analysis was also conducted. Results From the 2,546 subjects, 439 (17.2%) were in the high PP group. The propensity matching algorithm produced 433 pairs of patients with similar propensities. Higher pulse pressure corresponded to lower Okabe and Kohs’ scores (44.3 ± 7.1 vs 42.7 ± 7.5; p = 0.002, 97.9 ± 18.0 vs 95.0 ± 18.1 p = 0.019, respectively). The relationship between pulse pressure and cognitive impairment was not significantly mediated by systolic blood pressure. We observed no significant associations between silent brain lesions and pulse pressure. Conclusion High pulse pressure was associated with lower cognitive performance without systolic blood pressure mediation in Japanese subjects without dementia. Supplementary Information The online version contains supplementary material available at 10.1186/s12883-022-02666-6.
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Affiliation(s)
- Ryo Mizuhara
- Department of Neurology, National Hospital Organization Maizuru Medical Center, 2410 Yukinaga, Maizuru, Kyoto, 625-8502, Japan. .,Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane, 693-8501, Japan.
| | - Shingo Mitaki
- Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane, 693-8501, Japan
| | - Masahiro Takamura
- Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane, 693-8501, Japan
| | - Satoshi Abe
- Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane, 693-8501, Japan
| | - Keiichi Onoda
- Faculty of Psychology, Otemon Gakuin University, 2-1-15 Nishiai, Ibaraki, Osaka, 567-8502, Japan
| | - Shuhei Yamaguchi
- Shimane Prefectural Central Hospital, 4-1-1 Himebara, Izumo, Shimane, 693-8555, Japan
| | - Atsushi Nagai
- Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane, 693-8501, Japan
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Taher M, Maity B, Nakane T, Abe S, Ueno T, Mazumdar S. Controlled Uptake of an Iridium Complex inside Engineered apo‐Ferritin Nanocages: Study of Structure and Catalysis**. Angew Chem Int Ed Engl 2022; 61:e202116623. [DOI: 10.1002/anie.202116623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Indexed: 12/17/2022]
Affiliation(s)
- Mohd Taher
- Department of Chemical Sciences Tata Institute of Fundamental Research Homi Bhabha Road, Colaba Mumbai 400005 India
| | - Basudev Maity
- School of Life science and Technology Tokyo Institute of Technology Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Taiki Nakane
- School of Life science and Technology Tokyo Institute of Technology Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Satoshi Abe
- School of Life science and Technology Tokyo Institute of Technology Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Takafumi Ueno
- School of Life science and Technology Tokyo Institute of Technology Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
- World Research Hub Initiative (WRHI) Tokyo Institute of Technology Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Shyamalava Mazumdar
- Department of Chemical Sciences Tata Institute of Fundamental Research Homi Bhabha Road, Colaba Mumbai 400005 India
- World Research Hub Initiative (WRHI) Tokyo Institute of Technology Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
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Uno N, Takata S, Komoto S, Miyamoto H, Nakayama Y, Osaki M, Mayuzumi R, Miyazaki N, Hando C, Abe S, Sakuma T, Yamamoto T, Suzuki T, Nakajima Y, Oshimura M, Tomizuka K, Kazuki Y. Panel of human cell lines with human/mouse artificial chromosomes. Sci Rep 2022; 12:3009. [PMID: 35194085 PMCID: PMC8863800 DOI: 10.1038/s41598-022-06814-3] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 02/04/2022] [Indexed: 11/25/2022] Open
Abstract
Human artificial chromosomes (HACs) and mouse artificial chromosomes (MACs) are non-integrating chromosomal gene delivery vectors for molecular biology research. Recently, microcell-mediated chromosome transfer (MMCT) of HACs/MACs has been achieved in various human cells that include human immortalised mesenchymal stem cells (hiMSCs) and human induced pluripotent stem cells (hiPSCs). However, the conventional strategy of gene introduction with HACs/MACs requires laborious and time-consuming stepwise isolation of clones for gene loading into HACs/MACs in donor cell lines (CHO and A9) and then transferring the HAC/MAC into cells via MMCT. To overcome these limitations and accelerate chromosome vector-based functional assays in human cells, we established various human cell lines (HEK293, HT1080, hiMSCs, and hiPSCs) with HACs/MACs that harbour a gene-loading site via MMCT. Model genes, such as tdTomato, TagBFP2, and ELuc, were introduced into these preprepared HAC/MAC-introduced cell lines via the Cre-loxP system or simultaneous insertion of multiple gene-loading vectors. The model genes on the HACs/MACs were stably expressed and the HACs/MACs were stably maintained in the cell lines. Thus, our strategy using this HAC/MAC-containing cell line panel has dramatically simplified and accelerated gene introduction via HACs/MACs.
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Affiliation(s)
- Narumi Uno
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachiohji, Tokyo, 192-0392, Japan.
| | - Shuta Takata
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Shinya Komoto
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Hitomaru Miyamoto
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Yuji Nakayama
- Division of Radioisotope Science, Research Initiative Center, Organization for Research Initiative and Promotion, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Mitsuhiko Osaki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
- Division of Experimental Pathology, Department of Biomedical Sciences, Faculty of Medicine, Tottori University, Yonago, Tottori, 683-8503, Japan
| | - Ryota Mayuzumi
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachiohji, Tokyo, 192-0392, Japan
| | - Natsumi Miyazaki
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachiohji, Tokyo, 192-0392, Japan
| | - Chiaki Hando
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachiohji, Tokyo, 192-0392, Japan
| | - Satoshi Abe
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Tetsushi Sakuma
- Division of Integrated Sciences for Life, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Hiroshima, 739-8526, Japan
| | - Takashi Yamamoto
- Division of Integrated Sciences for Life, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Hiroshima, 739-8526, Japan
| | - Teruhiko Suzuki
- Stem Cell Project, Tokyo Metropolitan Institute of Medical Science, Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Yoshihiro Nakajima
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, 761-0395, Japan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Kazuma Tomizuka
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachiohji, Tokyo, 192-0392, Japan
| | - Yasuhiro Kazuki
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
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Abe S, Ezaki O, Suzuki M. Effects of Timing of Medium-Chain Triglycerides (8:0 and 10:0) Supplementation during the Day on Muscle Mass, Function and Cognition in Frail Elderly Adults. J Frailty Aging 2022; 11:100-108. [PMID: 35122097 DOI: 10.14283/jfa.2021.33] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES Supplementation with 6 g/day of medium-chain triglycerides (MCTs) at dinnertime increases muscle function and cognition in frail elderly adults relative to supplementation with long-chain triglycerides. However, suitable timing of MCT supplementation during the day is unknown. DESIGN We enrolled 40 elderly nursing home residents (85.9 ± 7.7 years) in a 1.5-month randomized intervention trial. Participants were randomly allocated to two groups: one received 6 g/day of MCTs at breakfast (breakfast group) as a test group and the other at dinnertime (dinner group) as a positive control group. MEASUREMENTS Muscle mass, strength, function, and cognition were monitored at baseline and 1.5 months after initiation of intervention. RESULTS Thirty-seven participants completed the study and were included in the analysis. MCT supplementation in breakfast and dinner groups respectively increased right arm muscle area from baseline by 1.1 ± 0.8 cm2 (P<0.001) and 1.6 ± 2.5 cm2 (P<0.001), left arm muscle area by 1.1 ± 0.7 cm2 (P<0.001) and 0.9 ± 1.0 cm2 (P<0.01), right knee extension time by 39 ± 42 s (P<0.01) and 20 ± 32 s (P<0.05), leg open and close test time by 1.74 ± 2.00 n/10 s (P<0.01) and 1.67 ± 2.01 n/10 s (P<0.01), and Mini-Mental State Examination score by 1.5 ± 3.0 points (P=0.06) and 1.0 ± 2.1 points (P=0.06). These increases between two groups did not differ statistically significantly. CONCLUSION Supplementation with 6 g MCTs/day for 1.5 months, irrespective of ingestion at breakfast or dinnertime, could increase muscle mass and function, and cognition in frail elderly adults.
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Affiliation(s)
- S Abe
- Osamu Ezaki, M.D. Institute of Women's Health Science, Showa Women's University, 1-7-57 Taishido, Setagaya-ku, Tokyo 154-8533, Japan, Tel: +81-3-3411-7450; Fax: +81-3-3411-7450, E-mail:
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Kazuki Y, Gao FJ, Yamakawa M, Hirabayashi M, Kazuki K, Kajitani N, Miyagawa-Tomita S, Abe S, Sanbo M, Hara H, Kuniishi H, Ichisaka S, Hata Y, Koshima M, Takayama H, Takehara S, Nakayama Y, Hiratsuka M, Iida Y, Matsukura S, Noda N, Li Y, Moyer AJ, Cheng B, Singh N, Richtsmeier JT, Oshimura M, Reeves RH. A transchromosomic rat model with human chromosome 21 shows robust Down syndrome features. Am J Hum Genet 2022; 109:328-344. [PMID: 35077668 DOI: 10.1016/j.ajhg.2021.12.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 12/21/2021] [Indexed: 12/31/2022] Open
Abstract
Progress in earlier detection and clinical management has increased life expectancy and quality of life in people with Down syndrome (DS). However, no drug has been approved to help individuals with DS live independently and fully. Although rat models could support more robust physiological, behavioral, and toxicology analysis than mouse models during preclinical validation, no DS rat model is available as a result of technical challenges. We developed a transchromosomic rat model of DS, TcHSA21rat, which contains a freely segregating, EGFP-inserted, human chromosome 21 (HSA21) with >93% of its protein-coding genes. RNA-seq of neonatal forebrains demonstrates that TcHSA21rat expresses HSA21 genes and has an imbalance in global gene expression. Using EGFP as a marker for trisomic cells, flow cytometry analyses of peripheral blood cells from 361 adult TcHSA21rat animals show that 81% of animals retain HSA21 in >80% of cells, the criterion for a "Down syndrome karyotype" in people. TcHSA21rat exhibits learning and memory deficits and shows increased anxiety and hyperactivity. TcHSA21rat recapitulates well-characterized DS brain morphology, including smaller brain volume and reduced cerebellar size. In addition, the rat model shows reduced cerebellar foliation, which is not observed in DS mouse models. Moreover, TcHSA21rat exhibits anomalies in craniofacial morphology, heart development, husbandry, and stature. TcHSA21rat is a robust DS animal model that can facilitate DS basic research and provide a unique tool for preclinical validation to accelerate DS drug development.
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Niwa Y, Tominaga K, Kawata Y, Kobayashi T, Mizuwasa T, Takahashi K, Sato H, Kohisa J, Abe S, Kamimura K, Yokoyama J, Kawai H, Sugino H, Umezu H, Hirai Y, Nakano M, Shimada Y, Kameyama H, Wakai T, Terai S. Intestinal duplication diagnosed preoperatively with double-balloon enteroscopy: an extremely rare case report and literature review. Clin J Gastroenterol 2022; 15:381-387. [DOI: 10.1007/s12328-022-01596-7] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/14/2022] [Indexed: 11/30/2022]
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Taher M, Maity B, Nakane T, Abe S, Ueno T, Mazumdar S. Controlled Uptake of an Iridium Complex inside Engineered apo‐Ferritin Nanocages: Study of Structure and Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohd Taher
- Tata Institute of Fundamental Research Department of Chemical Sciences Homi Bhabha RoadNavy NagarColaba 400005 Mumbai INDIA
| | - Basudev Maity
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku School of Life Science and Technology Nagatsuta-Cho4259-B55 226-8501 Midori-ku JAPAN
| | - Taiki Nakane
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku School of Life Science and technology Nagatsuta-Cho4259-B55 226-8501 Midori-ku JAPAN
| | - Satoshi Abe
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku School of Life Science and Technology Nagatsuta-Cho4259-B55 226-8501 Midori-ku JAPAN
| | - Takafumi Ueno
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku School of Life Science and Technology Nagatsuta-cho4259-B55 226-8501 Midori-ku JAPAN
| | - Shyamalava Mazumdar
- Tata Institute of Fundamental Research Department of Chemical Sciences Homi Bhabha RoadColaba 400005 Mumbai INDIA
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Abstract
Protein crystals have attracted a great deal of attention as solid biomaterials because they have porous structures created by regular assemblies of proteins. The lattice structures of protein crystals are controlled by designing molecular interfacial interactions via covalent bonds and non-covalent bonds. Protein crystals have been functionalized as templates to immobilize foreign molecules such as metal nanoparticles, metal complexes, and proteins. These hybrid crystals are used as functional materials for catalytic reactions and structural analysis. Furthermore, in-cell protein crystals have been studied extensively, providing progress in rapid protein crystallization and crystallography. This review highlights recent advances in crystal engineering for protein crystallization and generation of solid functional materials both in vitro and within cells.
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Affiliation(s)
- Mariko Kojima
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta 4259-B55, Midori-ku, Yokohama 226-8501, Japan.
| | - Satoshi Abe
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta 4259-B55, Midori-ku, Yokohama 226-8501, Japan.
| | - Takafumi Ueno
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta 4259-B55, Midori-ku, Yokohama 226-8501, Japan.
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Kadota K, Onoda K, Abe S, Hamada C, Mitaki S, Oguro H, Nagai A, Kitagaki H, Yamaguchi S. Multiscale Entropy of Resting-State Functional Magnetic Resonance Imaging Differentiates Progressive Supranuclear Palsy and Multiple System Atrophy. Life (Basel) 2021; 11:life11121411. [PMID: 34947943 PMCID: PMC8707613 DOI: 10.3390/life11121411] [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: 11/15/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 11/16/2022] Open
Abstract
Distinguishing progressive supranuclear palsy (PSP) from multiple system atrophy (MSA) in the early clinical stages is challenging; few sensitive and specific biomarkers are available for their differential diagnosis. Resting-state functional magnetic resonance imaging (rs-fMRI) is used to study the fluctuations in blood oxygen level-dependent (BOLD) signals at rest, which provides evidence for aberrant brain functional networks in neurodegenerative diseases. We aimed to examine whether rs-fMRI data could differentiate between PSP and MSA via a multiscale entropy (MSE) analysis of BOLD signals, which estimates the complexity of temporal fluctuations in brain activity. We recruited 14 and 18 patients with PSP and MSA, respectively, who underwent neuropsychological tests and rs-fMRI. PSP patients demonstrated greater cognitive function impairments, particularly in the frontal executive function. The bilateral prefrontal cortex revealed lower entropy BOLD signal values in multiple time scales for PSP, compared to the values observed in MSA patients; however, the functional connectivity of the representative brain networks was comparable between the diseases. The reduced complexity of BOLD signals in the prefrontal cortex was associated with frontal dysfunction. Thus, an MSE analysis of rs-fMRI could differentiate between PSP and MSA, and the reduced complexity of BOLD signals could be associated with cognitive impairment.
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Affiliation(s)
- Katsuhiko Kadota
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
- Correspondence: ; Tel.: +81-3-3813-3111
| | - Keiichi Onoda
- Department of Psychology, Otemon Gakuin University, Osaka 567-8502, Japan;
| | - Satoshi Abe
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
| | - Chizuko Hamada
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
| | - Shingo Mitaki
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
| | - Hiroaki Oguro
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
| | - Atsushi Nagai
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
| | - Hajime Kitagaki
- Department of Radiology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan;
| | - Shuhei Yamaguchi
- Department of Neurology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan; (S.A.); (C.H.); (S.M.); (H.O.); (A.N.); (S.Y.)
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Suda T, Yoshikawa S, Kanefuji T, Abe S, Hoshi T, Morita S, Yagi K, Terai S. Suppression of Noncoding RNAs as Shared Early Genetic Events in Multistep Hepatocarcinogenesis. Hepatology 2021; 74:3542-3545. [PMID: 34322887 PMCID: PMC9291528 DOI: 10.1002/hep.32077] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 07/18/2021] [Accepted: 07/24/2021] [Indexed: 02/05/2023]
Affiliation(s)
- Takeshi Suda
- Department of Gastroenterology and HepatologyUonuma Institute of Community MedicineNiigata University Medical and Dental HospitalNiigataJapan
| | - Seiichi Yoshikawa
- Department of Gastroenterology and HepatologyNagaoka Red Cross HospitalNiigataJapan
| | - Tsutomu Kanefuji
- Department of Gastroenterology and HepatologyTsubame Rosai HospitalNiigataJapan
| | - Satoshi Abe
- Department of Gastroenterology and HepatologyUonuma Institute of Community MedicineNiigata University Medical and Dental HospitalNiigataJapan
| | - Takahiro Hoshi
- Department of Gastroenterology and HepatologyUonuma Institute of Community MedicineNiigata University Medical and Dental HospitalNiigataJapan
| | - Shinichi Morita
- Department of Gastroenterology and HepatologyUonuma Institute of Community MedicineNiigata University Medical and Dental HospitalNiigataJapan
| | - Kazuyoshi Yagi
- Department of Gastroenterology and HepatologyUonuma Institute of Community MedicineNiigata University Medical and Dental HospitalNiigataJapan
| | - Shuji Terai
- Division of Gastroenterology and HepatologyGraduate School of Medical and Dental SciencesNiigata UniversityNiigataJapan
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Sato Y, Yoshihisa A, Takeishi R, Ohara H, Sugawara Y, Ichijo Y, Hotsuki Y, Watanabe K, Abe S, Misaka T, Sato T, Oikawa M, Kobayashi A, Nakazato K, Takeishi Y. Simplified Academic Research Consortium for High Bleeding Risk (ARC-HBR) Definition Predicts Bleeding Events in Patients With Heart Failure. Circ J 2021; 86:147-155. [PMID: 34707066 DOI: 10.1253/circj.cj-21-0686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 11/09/2022]
Abstract
BACKGROUND It has recently been reported that the simplified Academic Research Consortium for High Bleeding Risk (ARC-HBR) definition, which excludes 6 rare criteria, is comparable to the original ARC-HBR definition in predicting major bleeding in patients with coronary artery disease (CAD) who undergo percutaneous coronary intervention. In this study, we investigated whether the simplified ARC-HBR definition could be applied to patients with heart failure (HF) to identify those at high bleeding risk (HBR).Methods and Results:In all, 2,437 patients hospitalized for HF were enrolled in this study. Patients were divided into 2 groups based on the simplified ARC-HBR definition: those at HBR (n=2,026; 83.1%) and those not (non-HBR group; n=411; 16.9%). The HBR group was older (72.0 vs. 61.0 years; P<0.001) and had a lower prevalence of CAD (31.1% vs. 36.5%; P=0.034) than the non-HBR group. Kaplan-Meier analysis showed that post-discharge bleeding events defined as hemorrhagic stroke or gastrointestinal bleeding were more frequent in the HBR than non-HBR group (log-rank P<0.001). The simplified ARC-HBR definition accurately predicted bleeding events (Fine-Gray model; hazard ratio 2.777, 95% confidence interval 1.464-5.270, P=0.001). CONCLUSIONS The simplified ARC-HBR definition predicts a high risk of bleeding events in patients with HF.
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Affiliation(s)
- Yu Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Akiomi Yoshihisa
- Department of Cardiovascular Medicine, Fukushima Medical University.,Department of Clinical Laboratory Sciences, Fukushima Medical University School of Health Science
| | - Ryohei Takeishi
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Himika Ohara
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yukiko Sugawara
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yasuhiro Ichijo
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Yu Hotsuki
- Department of Cardiovascular Medicine, Fukushima Medical University
| | | | - Satoshi Abe
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Tomofumi Misaka
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Takamasa Sato
- Department of Cardiovascular Medicine, Fukushima Medical University
| | - Masayoshi Oikawa
- Department of Cardiovascular Medicine, Fukushima Medical University
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Abe S, Okagaki Y, Satou A, Sibamoto Y. A numerical investigation on the heat transfer and turbulence production characteristics induced by a swirl spacer in a single-tube geometry under single-phase flow condition. ANN NUCL ENERGY 2021. [DOI: 10.1016/j.anucene.2021.108321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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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48
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Azuma A, Abe S, Sasaki M. Effect of Cross-linker on Photosensitive Polyimide to Achieve Full Imidization and Lower Stress for Good Reliability. J PHOTOPOLYM SCI TEC 2021. [DOI: 10.2494/photopolymer.34.201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ayaka Azuma
- Technology Development Center, HD MicroSystems, Ltd
| | - Satoshi Abe
- Technology Development Center, HD MicroSystems, Ltd
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Abe S, Skinner C, Bykov I, Yeh Y, Lasa A, Coburn J, Rudakov D, Lasnier C, Wang H, McLean A, Abrams T, Koel B. Experimental verification of ion impact angle distribution at divertor surfaces using micro-engineered targets on DiMES at DIII-D. Nuclear Materials and Energy 2021. [DOI: 10.1016/j.nme.2021.100965] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
A 47-year-old Japanese man was referred to our hospital because of a sustained high fever with diarrhea 12 days after a flight from India. Liver enzymes were elevated with rose spots, hepatosplenomegaly, relative bradycardia, and acute cholecystitis. A liver biopsy depicted the dense infiltration of lymphocytes and Kupffer cells in sinusoids and the granulomatous formation in the parenchyma. The liver damage was initially resolved with the administration of ceftriaxone for 16 days but flared up 1 week later. Laboratory tests yielded positive reactions for Salmonella typhi and hepatitis E virus RNA. The pathophysiological presentations of concurrent typhoid and type E hepatitis are discussed.
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Affiliation(s)
- Takeshi Suda
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical & Dental Hospital, Japan
| | - Ryo Iguchi
- Division of General Internal Medicine, National Hospital Organization Shizuoka Medical Center, Japan
| | - Takaaki Ishiyama
- Department of Internal Medicine, Hospital Medicine Section, St. Louis University, USA
| | - Tsutomu Kanefuji
- Department of Gastroenterology and Hepatology, Tsubame Rosai Hospital, Japan
| | - Takahiro Hoshi
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical & Dental Hospital, Japan
| | - Satoshi Abe
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical & Dental Hospital, Japan
| | - Shinichi Morita
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical & Dental Hospital, Japan
| | - Kazuyoshi Yagi
- Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical & Dental Hospital, Japan
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