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Matsumoto A, Tateishi D, Nakajima T, Kurosaki S, Ogawa T, Kawasaki T, Soai K. Achiral 2-pyridone and 4-aminopyridine act as chiral inducers of asymmetric autocatalysis with amplification of enantiomeric excess via the formation of chiral crystals. Chirality 2024; 36:e23617. [PMID: 37621025 DOI: 10.1002/chir.23617] [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: 06/26/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023]
Abstract
Enantiomorphous crystals of achiral 2-pyridone and 4-aminopyridine served as sources of chirality, to induce the asymmetric autocatalysis of 5-pyrimidyl alkanol during the asymmetric addition of diisopropylzinc to the corresponding pyrimidine-5-carbaldehyde, that is, the Soai reaction. Following a significant amplification of enantiomeric excess through asymmetric autocatalysis, highly enantioenriched 5-pyrimidyl alkanol could be synthesized with their corresponding absolute configurations to those of chiral crystals of 2-pyridone and 4-aminopyridine.
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Affiliation(s)
- Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science, Nara Women's University, Nara, Japan
| | - Daisuke Tateishi
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
| | - Tsuyoshi Nakajima
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
| | - Shiori Kurosaki
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
| | - Tomohiro Ogawa
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
| | - Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
- Research Organization for Nano & Life Innovation, Waseda University, Tokyo, Japan
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Yoshimura Y, Wakabayashi H, Nagano F, Matsumoto A, Shimazu S, Shiraishi A, Kido Y, Bise T. Prevalence And Association With Outcomes Of The Espen And Easo-Defined Diagnostic Criteria For Sarcopenic Obesity In Patients Undergoing Rehabilitation After Stroke. Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Clark M, Murthy S, Lin E, Matsumoto A, Taylor A. Abstract No. 601 Long-Term Outcomes of MR-Guided Focused Ultrasound for Treatment of Symptomatic Uterine Fibroids. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
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Soai K, Kawasaki T, Matsumoto A. Asymmetric Autocatalysis as an Efficient Link Between the Origin of Homochirality and Highly Enantioenriched Compounds. ORIGINS LIFE EVOL B 2022; 52:57-74. [PMID: 35960427 DOI: 10.1007/s11084-022-09626-7] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/21/2022] [Indexed: 11/26/2022]
Abstract
Biological homochirality of essential components such as L-amino acids and D-sugars is prerequisite for the emergence, evolution and the maintenance of life. Implication of biological homochirality is described. Considerable interest has been focused on the origin and the process leading to the homochirality. Asymmetric autocatalysis with amplification of enantiomeric excess (ee), i.e., the Soai reaction, is capable to link the low ee induced by the proposed origins of chirality such as circularly polarized light and high ee of the organic compound. Absolute asymmetric synthesis without the intervention of any chiral factor was achieved in the Soai reaction.
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Affiliation(s)
- Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan.
- Research Organization for Nano & Life Innovation, Waseda University, Wasedatsurumaki-cho, Shinjuku-ku, Tokyo, 162-0041, Japan.
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Nara Women's University, Kita-Uoya Nishi-machi, Nara, 630-8506, Japan
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Kondo M, Suzuki T, Kawano Y, Kojima S, Miyashiro M, Matsumoto A, Kania G, Blyszczuk P, Ross R, Mulipa P, Del Galdo F, Zhang Y, Distler JHW. POS0467 DERSIMELAGON, A NOVEL ORAL MELANOCORTIN 1 RECEPTOR AGONIST, DEMONSTRATES DISEASE-MODIFYING EFFECTS IN PRECLINICAL MODELS OF SYSTEMIC SCLEROSIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundActivation of melanocortin 1 receptor (MC1R) is known to have broad anti-inflammatory and anti-fibrotic effects. The bleomycin (BLM)-induced skin fibrosis murine model is well-established for systemic sclerosis (SSc). α-melanocyte-stimulating hormone, an endogenous ligand of MC1R, inhibits skin fibrosis and MC1R knock-out enhances skin fibrosis in this model. These pieces of evidence suggest that MC1R agonism has potential in the treatment of SSc.ObjectivesDersimelagon phosphate (MT-7117) is an investigational small molecule that is an orally administered, selective agonist for MC1R. The purpose of this study is to investigate the potential of MT-7117 as a therapeutic agent for SSc by evaluating its efficacy and mechanism of action in complementary preclinical models. The expression and distribution of MC1R in the skin of SSc patients was investigated.MethodsThe effects of MT-7117 on skin fibrosis and lung inflammation were evaluated in BLM-induced SSc murine models that were optimized for prophylactic and therapeutic evaluation. Microarray-based gene expression analysis and serum protein profiling were performed to investigate the mechanism of action of MT-7117 in the BLM-induced SSc models. The effect of MT-7117 on TGF-β-induced activation of human dermal fibroblasts was evaluated in vitro. Immunohistochemical analyses of MC1R expression in skin samples from SSc patients were performed.ResultsProphylactic treatment with MT-7117 (≥0.3 mg/kg/day p.o.) significantly inhibited the increase in collagen content of the skin, the serum level of surfactant protein D, and the weight of the lungs from BLM-induced skin fibrosis and lung inflammation model. Therapeutic treatment with MT-7117 (≥3 mg/kg/day p.o.) significantly suppressed skin thickening and the numbers of myofibroblasts in pre-established BLM-induced skin fibrosis model. Gene array analysis using the BLM-induced SSc model demonstrated changes in numerous categories related to macrophages, monocytes, and neutrophils, followed by endothelial cell-related categories after treatment with MT-7117. In the analysis that focused on biological functions, categories of inflammatory response, activation of antigen-presenting cells, angiogenesis, atherosclerosis, vasculogenesis, and vaso-occlusion were suppressed by MT-7117. In the analysis that focused on molecular signaling pathways, triggering receptor expressed on myeloid cells-1, IL-6, and oncostatin M involved in inflammation, and peroxisome proliferator-activated receptor that is related to fibrosis were all affected by MT-7117. Serum protein profiling using BLM-induced SSc model revealed that multiple SSc-related biomarkers including P-selectin, osteoprotegerin, cystatin C, growth and differentiation factor-15 and S100A9 were suppressed by MT-7117. MT-7117 inhibited the activation of human dermal fibroblasts by suppressing TGF-β-induced ACTA2 (encoding α-smooth muscle actin) mRNA elevation in vitro. Immunohistochemical analyses showed that MC1R positivity was observed in 40 of 50 diffuse cutaneous SSc patients. MC1R was expressed by monocytes/macrophages, neutrophils, blood vessels (endothelial cells), fibroblasts, and epidermis (keratinocytes) in the skin of SSc patients.ConclusionMT-7117 demonstrates disease-modifying effects in preclinical models of SSc. Investigations of its mechanism of action and target expression analyses indicate that MT-7117 exerts its positive effects by affecting the pathologies of inflammation, vascular dysfunction, and fibrosis through inflammatory cells, endothelial cells, and fibroblasts. In view of its potent beneficial impact on all these three main pathologies of SSc, MT-7117 is a potential therapeutic agent for the treatment of clinically challenging SSc, which has diverse and difficult to treat symptoms. A phase 2 clinical trial investigating the efficacy and tolerability of MT-7117 in patients with early, progressive diffuse cutaneous SSc is currently in progress.Disclosure of InterestsMasahiro Kondo Employee of: Mitsubishi Tanabe Pharma Corporation, Tsuyoshi Suzuki Employee of: Mitsubishi Tanabe Pharma Corporation, Yuko Kawano Employee of: Mitsubishi Tanabe Pharma Corporation, Shinji Kojima Employee of: Mitsubishi Tanabe Pharma Corporation, Masahiko Miyashiro Employee of: Mitsubishi Tanabe Pharma Corporation, Atsuhiro Matsumoto Employee of: Mitsubishi Tanabe Pharma Corporation, Gabriela Kania: None declared, Przemyslaw Blyszczuk: None declared, rebecca ross: None declared, Panji Mulipa: None declared, Francesco Del Galdo Grant/research support from: Prof. F. Del Galdo received fees and research support from Abbvie, AstraZeneca, Boehringer-Ingelheim, Capella, Chemomab, Kymab, Janssen and Mitsubishi-Tanabe., Yun Zhang: None declared, Jörg H.W. Distler Grant/research support from: Prof. J.H.W. Distler received consulting fees, lecture fees, and/or honoraria from Actelion, Active Biotech, Anamar, ARXX, aTyr, Bayer Pharma, Boehringer Ingelheim, Celgene, Galapagos, GSK, Inventiva, JB Therapeutics, Medac, Pfizer, Sanofi-Aventis, RedX, RuiYi and UCB. J. H. W. Distler is stock owner of 4D Science and Scientific head of FibroCure.
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Suzuki T, Kawano Y, Matsumoto A, Kondo M, Funayama K, Tanemura S, Miyashiro M, Nishi A, Yamada K, Tsuda M, Sato A, Morokuma K, Yamamoto Y. Melanogenic effect of dersimelagon (MT-7117), a novel oral melanocortin 1 receptor agonist. Skin Health Dis 2022; 2:e78. [PMID: 35665216 PMCID: PMC9060023 DOI: 10.1002/ski2.78] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 12/12/2022]
Abstract
Background The activation of melanocortin 1 receptor (MC1R) on melanocytes stimulates the production of eumelanin. A tridecapeptide α melanocyte‐stimulating hormone (αMSH) is known to induce skin pigmentation. Objectives We characterised the properties of a novel oral MC1R agonist dersimelagon (MT‐7117) with respect to its specific binding to MC1R, downstream signalling and eumelanin production in experimental models. Methods The competitive binding and production of intracellular cyclic adenosine 3′, 5′‐monophosphate in cells expressing recombinant melanocortin receptors were examined. A mouse melanoma cell line B16F1 was used for the evaluation of in vitro melanin production. The in vitro activity of MT‐7117 was determined with αMSH and [Nle4, D‐Phe7]‐αMSH (NDP‐αMSH) as reference comparators. The change of coat colour and skin pigmentation were evaluated after repeat administration of MT‐7117 by oral gavage to C57BL/6J‐Ay/+ mice and cynomolgus monkeys, respectively. Results MT‐7117 showed the highest affinity for human MC1R compared to the other melanocortin receptors evaluated and agonistic activity for human, cynomolgus monkey and mouse MC1R, with EC50 values in the nanomolar range. In B16F1 cells, MT‐7117 increased melanin production in a concentration‐dependent manner. In vivo, MT‐7117 (≥0.3 mg/kg/day p.o.) significantly induced coat colour darkening in mice. MT‐7117 (≥1 mg/kg/day p.o.) induced significant skin pigmentation in monkeys and complete reversibility was observed after cessation of its administration. Conclusions MT‐7117 is a novel oral MC1R agonist that induces melanogenesis in vitro and in vivo, suggesting its potential application for the prevention of phototoxic reactions in patients with photodermatoses, such as erythropoietic protoporphyria and X‐linked protoporphyria.
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Affiliation(s)
- T Suzuki
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - Y Kawano
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - A Matsumoto
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - M Kondo
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - K Funayama
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - S Tanemura
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - M Miyashiro
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - A Nishi
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - K Yamada
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - M Tsuda
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - A Sato
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - K Morokuma
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
| | - Y Yamamoto
- Sohyaku Innovative Research Division Mitsubishi Tanabe Pharma Corporation Yokohama Japan
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Bise T, Yoshimura Y, Wakabayashi H, Nagano F, Kido Y, Shimazu S, Shiraishi A, Matsumoto A. Association between BIA-derived Phase Angle and Sarcopenia and Improvement in Activities of Daily Living and Dysphagia in Patients undergoing Post-Stroke Rehabilitation. J Nutr Health Aging 2022; 26:590-597. [PMID: 35718868 DOI: 10.1007/s12603-022-1803-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [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] [Indexed: 01/17/2023]
Abstract
OBJECTIVES To investigate the predictive value of the BIA-derived phase angle with respect to the functional prognosis and baseline sarcopenia in patients undergoing post-stroke rehabilitation. DESIGN Retrospective cohort study. SETTING AND PARTICIPANTS Overall, 577 Japanese patients admitted to a post-acute care hospital from 2016 to 2020 were recruited. MEASUREMENTS Body composition analysis, which included BIA-derived phase angle and skeletal muscle mass, was performed using bioelectrical impedance analysis (BIA). Study outcomes included physical function assessed using the Functional Independence Measure (FIM-motor) and the level of dysphagia assessed using the Food Intake LEVEL Scale (FILS). Sarcopenia was defined as the loss of skeletal muscle mass and decreased muscle strength. Receiver operating characteristic curves were used to calculate the optimal cutoff value of BIA-derived phase angle to diagnose sarcopenia. Multivariate analyses were used to determine whether the BIA-derived phase angle at admission was associated with outcomes at discharge and baseline sarcopenia. RESULTS After enrollment, 499 patients (mean age: 74.0 ± 13.1 years; 52.0% men) were examined. The median FIM-motor and FILS scores at admission were 47 (20-69) and 8 (7-10), respectively. Sarcopenia was observed in 43.2% of patients. After adjusting for potential confounders, BIA-derived phase angle was positively associated with FIM-motor scores at discharge (β = 0.134, P < 0.001), FIM-motor score gain (β = 2.504, P < 0.001), and FILS scores at discharge (β = 0.120, P = 0.039). BIA-derived phase angle was negatively associated with the sarcopenia diagnosis at baseline (odds ratio = -0.409, P < 0.001); its cutoff value was 4.76° (sensitivity 0.800, specificity 0.790, P < 0.001) for sarcopenia diagnosis in men and 4.11° (sensitivity 0.735, specificity 0.829, P < 0.001) in women. CONCLUSION BIA-derived phase angle was positively associated with the recovery of physical function and dysphagia level and negatively associated with baseline sarcopenia in patients undergoing post-stroke rehabilitation. The BIA-derived phase angle cutoff for sarcopenia diagnosis was 4.76° for men and 4.11° for women.
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Affiliation(s)
- T Bise
- Yoshihiro Yoshimura, Kumamoto Rehabilitation Hospital, Kikuchi, Kumamoto, Japan,
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Sergienko N, Kiriazis H, Donner D, Matsumoto A, Luo J, Molendijk J, Parker B, McMullen J, Weeks K. Adopting a Phosphoproteomics Approach to Investigate a Role for Protein Phosphatase 2A (PP2A) Regulatory Subunit B55α in Cardiac β-Adrenergic Receptor Signalling. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Tanase T, Nakamae K, Okawa Y, Hamada M, Matsumoto A, Nakajima T, Nakashima T, Kawai T. Chiral Dinuclear Eu(III), Tb(III), and Y(III) Complexes Supported by P-Stereogenic Linear Tetraphosphine Tetraoxide. Chemistry 2021; 28:e202104060. [PMID: 34911149 DOI: 10.1002/chem.202104060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Indexed: 11/10/2022]
Abstract
A P -stereogenic linear tetraphosphine tetraoxide, ( R,R )- or ( S,S )-dpmppm(=O) 4 , was synthesized to prepare C 2 dinuclear M(hfa) 3 complexes (M = Eu, Tb, Y) as the first example of lanthanide(III) complexes with P -chiral multidentate phosphine oxides. The mononuclear M(hfa) 3 complexes (M = Eu, Y) with a P -chiral diphosphine oxide, tpdpb(=O) 2 , were also prepared, and comparison of their photophysical properties for the Eu(III) complexes revealed that significant chiral induction from the P -chiral centers arises on the achiral M(hfa) 3 units through intramolecular π-π stacking constraint in the dinuclear system.
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Affiliation(s)
- Tomoaki Tanase
- Nara Women's University, Faculty of Science, Kitauoya-nishi-machi, 630-8506, Nara, JAPAN
| | | | - Yume Okawa
- Nara Joshi Daigaku Rigakubu Kagaku Seimei Kankyo Gakka, Faculty of Science, JAPAN
| | - Mami Hamada
- Nara Joshi Daigaku, Faculty of Science, JAPAN
| | | | | | - Takuya Nakashima
- Nara Institute of Science and Technology: Nara Sentan Kagaku Gijutsu Daigakuin Daigaku, Division of Material Science, JAPAN
| | - Tsuyoshi Kawai
- Nara Institute of Science and Technology: Nara Sentan Kagaku Gijutsu Daigakuin Daigaku, Division of Material Science, JAPAN
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Mikata Y, Aono Y, Yamamoto C, Nakayama H, Matsumoto A, Kotegawa F, Harada M, Katano H, Kobayashi Y, Yanagisawa S, Kubo M, Kajiwara A, Kodera M. A Synthetic Model for the Possible Fe IV2(μ-O) 2 Core of Methane Monooxygenase Intermediate Q Derived from a Structurally Characterized Fe IIIFe IV(μ-O) 2 Complex. Inorg Chem 2021; 61:786-790. [PMID: 34822245 DOI: 10.1021/acs.inorgchem.1c02699] [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: 11/28/2022]
Abstract
A bis(μ-oxo)diiron(IV,IV) complex as a model for intermediate Q in the methane monooxygenase reaction cycle has been prepared. The precursor complex with a [FeIIIFeIV(μ-O)2] core was fully characterized by X-ray crystallography and other spectroscopic analyses and was converted to the [FeIV2(μ-O)2] complex via electrochemical oxidation at 1000 mV (vs Ag/Ag+) in acetone at 193 K. The UV-vis spectral features, Mössbauer parameters (ΔEQ = 2.079 mm/s and δ = -0.027 mm/s), and EXAFS analysis (Fe-O/N = 1.73/1.96 Å and Fe···Fe = 2.76 Å) support the structure of the low-spin (S = 1, for each Fe) [FeIV2(μ-O)2] core. The rate constants of the hydrogen abstraction reaction from 9,10-dihydroanthracene at 243 K suggest the high reactivity of these synthetic bis(μ-oxo)diiron complexes supported by simple N4 tripodal ligand.
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Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan.,Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan.,KYOUSEI Science Center, Nara Women's University, Nara 630-8506, Japan
| | - Yuri Aono
- Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Chihiro Yamamoto
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Hiromi Nakayama
- Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Fukue Kotegawa
- Department of Computer Science and Clothing Environment, Faculty of Human Life and Environment, Nara Women's University, Nara 630-8506, Japan
| | - Masafumi Harada
- Department of Computer Science and Clothing Environment, Faculty of Human Life and Environment, Nara Women's University, Nara 630-8506, Japan
| | - Hajime Katano
- Department of Bioscience, Fukui Prefectural University, Eiheiji, Fukui 910-1195, Japan
| | - Yoshio Kobayashi
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
| | - Sachiko Yanagisawa
- Graduate School of Life Science, University of Hyogo, 3-2-1 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
| | - Minoru Kubo
- Graduate School of Life Science, University of Hyogo, 3-2-1 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
| | - Atsushi Kajiwara
- Department of Materials Science, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan
| | - Masahito Kodera
- Department of Molecular Chemistry and Biochemistry, Faculty of Science and Engineering, Doshisha University, Tatara Miyakodani 1-3, Kyotanabe, Kyoto 610-0321, Japan
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Matsumoto A, Tanaka A, Kaimori Y, Hara N, Mikata Y, Soai K. Circular dichroism spectroscopy of catalyst preequilibrium in asymmetric autocatalysis of pyrimidyl alkanol. Chem Commun (Camb) 2021; 57:11209-11212. [PMID: 34622895 DOI: 10.1039/d1cc04206h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Mechanistic understanding of the asymmetric autocatalysis of pyrimidyl alkanol is a highly attractive and challenging topic due to its unique feature of amplification of enantiomeric excess. Circular dichroism spectroscopic analysis of this reaction allows monitoring of the structual changes of possible catalyst precursors in the solution state and shows characteristic temperature and solvent dependence. TD-DFT calculations suggest that these spectral changes are induced by a dimer-tetramer equilibrium of zinc alkoxides.
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Affiliation(s)
- Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science, Nara Women's University, Kita-Uoya Nishi-machi, Nara, 630-8506, Japan.
| | - Ayame Tanaka
- Department of Chemistry, Biology, and Environmental Science, Nara Women's University, Kita-Uoya Nishi-machi, Nara, 630-8506, Japan.
| | - Yoshiyasu Kaimori
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Natsuki Hara
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Nara Women's University, Kita-Uoya Nishi-machi, Nara, 630-8506, Japan.
| | - Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
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Matsumoto A, Shinohara H, Suzuki H. Laparoscopic and open surgery in patients with transverse colon cancer: short-term and oncological outcomes. BJS Open 2021; 5:6369777. [PMID: 34518870 PMCID: PMC8438262 DOI: 10.1093/bjsopen/zrab078] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/26/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Studies evaluating the outcomes after laparoscopic resections of transverse colon cancers are scant. This manuscript aimed to compare surgical and oncological outcomes after laparoscopic (Lap) and open procedures for transverse colon carcinomas. METHODS All consecutive patients who underwent resection for a cancer located in the transverse colon between 2003 and 2019 were reviewed. Patients were categorized according to the surgical approach (Lap versus open) and groups were compared. Outcome measures were the short-term results, complications and functional recovery; moreover, recurrence-free survival (RFS) and overall survival (OS) rates were compared overall and after propensity score matching (PSM) based on age, sex, ASA classification, BMI, carcinoembryonic antigen (CEA) level, use of postoperative chemotherapy, location of tumour, stage and grading, operation time, blood loss and complications. RESULTS Of 248 transverse resections reviewed, 146 (81 Lap and 65 open) were selected for data analysis. Blood loss, fluid intake and the incidence of wound infection were significantly lower and the hospital stay was significantly shorter in the Lap group (P < 0.001). The operation time and incidence of complications (Clavien-Dindo classification grade 3 or above) did not differ significantly between the two groups. Mean follow-up was of 75.4 months in the Lap group and 78.6 months in the open group. Regression analyses showed that OS was associated with the postoperative carcinoembryonic antigen (CEA) level (hazard ratio 1.18 (95 per cent c.i. 1.10 to 1.27); P < 0.001), BMI (hazard ratio 0.81 (95 per cent c.i. 0.68 to 0.96); P = 0.017), operation time (hazard ratio 0.99 (95 per cent c.i. 0.97 to 1.00; P = 0.010), and postoperative chemotherapy (hazard ratio 0.27 (95 per cent c.i. 0.08 to 0.96); P = 0.042), while RFS was associated with the postoperative CEA level (hazard ratio 1.13 (95 per cent c.i. 1.07 to 1.20); P < 0.001). PSM selected 42 patients for data comparison of long-term results, and showed no significant differences between groups (RFS: P = 0.530; OS: P = 0.561). CONCLUSION Lap and open resections for transverse colon cancer provided similar outcomes in terms of severe post-operative complication and long-term results.
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Affiliation(s)
- A Matsumoto
- Department of Surgery, Hanyu General Hospital, Hanyu, Japan
| | - H Shinohara
- Department of Surgery, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - H Suzuki
- Department of Health Information System Management Technology Room, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
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Affiliation(s)
- Kenso Soai
- Department of Applied Chemistry Tokyo University of Science Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
- Research Organization for Nano & Life Innovation Waseda University Wasedatsurumaki-cho, Shinjuku-ku Tokyo, 162 0041 Japan
| | - Arimasa Matsumoto
- Department of Chemistry Biology and Environmental Science Nara Women's University Kita-Uoya Nishi-machi Nara 630-8506 Japan
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry Tokyo University of Science Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
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Kawasaki T, Kaimori Y, Shimada S, Hara N, Sato S, Suzuki K, Asahi T, Matsumoto A, Soai K. Asymmetric autocatalysis triggered by triglycine sulfate with switchable chirality by altering the direction of the applied electric field. Chem Commun (Camb) 2021; 57:5999-6002. [PMID: 34023863 DOI: 10.1039/d1cc02162a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Triglycine sulfate (TGS) acts as a chiral trigger for asymmetric autocatalysis with amplification of enantiomeric excess, i.e., the Soai reaction. Therefore, molecular chirality of highly enantioenriched organic compounds is controlled by a ferroelectric crystal TGS, whose polarization is altered by an electric field.
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Affiliation(s)
- Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Yoshiyasu Kaimori
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Seiya Shimada
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Natsuki Hara
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Susumu Sato
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Kenta Suzuki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Toru Asahi
- Department of Life Science and Medical Bioscience, Waseda University (TWIns), Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Arimasa Matsumoto
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. and Research Organization for Nano & Life Innovation, Waseda University, Wasedatsurumaki-cho, Shinjuku-ku, Tokyo, 162-0041, Japan
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Mikata Y, Takekoshi A, Kaneda M, Yonemura S, Aono Y, Matsumoto A, Konno H, Burdette SC. N,N,N′,N′
‐Tetrakis(3‐isoquinolylmethyl)‐2,6‐lutidylenediamine (3‐isoTQLN): A Fluorescent Zn
2+
/Cd
2+
Dual Sensor as a Hybrid of 2‐Quinolyl/1‐Isoquionolyl Counterparts TQLN/1‐isoTQLN. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University Nara 630-8506 Japan
- KYOUSEIScience Center Nara Women's University Nara 630-8506 Japan
- Department of Chemistry, Faculty of Science Nara Women's University Nara 630-8506 Japan
| | - Ayaka Takekoshi
- Department of Chemistry, Faculty of Science Nara Women's University Nara 630-8506 Japan
| | - Minori Kaneda
- Department of Chemistry, Faculty of Science Nara Women's University Nara 630-8506 Japan
| | - Shizuka Yonemura
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University Nara 630-8506 Japan
| | - Yuri Aono
- Department of Chemistry, Faculty of Science Nara Women's University Nara 630-8506 Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University Nara 630-8506 Japan
| | - Hideo Konno
- National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi, Tsukuba Ibaraki 305-8565 Japan
| | - Shawn C. Burdette
- Department of Chemistry and Biochemistry Worcester Polytechnic Institute Worcester, MA 01609-2280 USA
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Mikata Y, Kuroda Y, Naito K, Murakami K, Yamamoto C, Yabe S, Yonemura S, Matsumoto A, Katano H. Structure and electrochemical properties of (μ-O) 2Mn 2(iii,iii) and (μ-O) 2Mn 2(iii,iv) complexes supported by pyridine-, quinoline-, isoquinoline- and quinoxaline-based tetranitrogen ligands. Dalton Trans 2021; 50:4133-4144. [PMID: 33729253 DOI: 10.1039/d1dt00184a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Seven new bis(μ-oxo)dimanganese complexes with Mn2(iii,iii) or Mn2(iii,iv) oxidation states were prepared using quinoline- and isoquinoline-based tetraamine ligands. The structures of the ligands include ethylenediamine, trans-1,2-cyclohexanediamine and tripodal amine, bearing two or three nitrogen-containing heteroaromatics. Regardless of the skeleton and number of aliphatic nitrogen atoms in the ligands, quinoline complexes stabilize the Mn2(iii,iii) oxidation state, whereas, isoquinoline ligands afford Mn2(iii,iv) complexes. A systematic comparison of the differences in structural parameters and redox potentials of a total of 14 complexes with a (μ-O)2Mn2 diamond core, which includes corresponding pyridine and quinoxaline derivatives as supporting ligands, highlights the distinct deviation of quinoline and tripodal amine motifs in this ligand series.
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Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan.
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Hayashi K, Matsumoto A, Hirata S. Chiral approach to investigate mechanism of highly efficient thermally activated delayed fluorescence. Chem Commun (Camb) 2021; 57:1738-1741. [PMID: 33544108 DOI: 10.1039/d0cc08064k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A chiral chromophore with thermally activated delayed fluorescence characteristics is designed. A model describing vibrations of the dihedral angle between donor and acceptor units allowed at room temperature explains the enhanced fluorescence rate of the molecule, including a nearly 100% photoluminescence quantum yield and the absence of circularly polarized emission characteristics from enantiomers of the chromophore.
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Affiliation(s)
- Kikuya Hayashi
- Department of Engineering Science, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan.
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Sato H, Someya Y, Takahashi Y, Kumasaka K, Sato W, Nishiyama M, Matsumoto A, Morita N, Shindoh C, Ota H, Ueda T, Kawashima R, Miura M. Right ventricular longitudinal strain with CMR can more accurately estimate right ventricular functional reserve in rats with pulmonary arterial hypertension. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0225] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Right ventricular (RV) function is an important prognostic factor in patients with pulmonary arterial hypertension (PAH). Recently, CMR has become an attractive modality for follow up and providing prognosis in the patients, and strain has been used as a newer parameter to assess contractile properties of ventricle. It has not yet been established, however, whether RV strain with CMR can estimate RV functional reserve in the patients with PAH.
Purpose
We focused on CMR imaging of RV, investigating whether RV longitudinal strain can estimate RV functional reserve using a rat model with PAH.
Method
Rats were given a subcutaneous injection of 60 mg/kg monocrotaline (MCT-rats) or solvent (Ctr-rats). Four weeks after the injection, 25% of MCT-rats died due to RV failure. In the survivors of MCT- (n=19) and Ctr-rats (n=5), retrospective ECG-gated cine MR (16 phases/beat) was imaged with a 7T scanner. Subsequently, we measured RV pressure (RVP) via right internal jugular vein and dissected trabeculae (length = 1.45±0.07 mm, width = 334±27 μm, thickness = 114±6 μm) from RVs. We calculated weight ratio of RV free wall to left ventricle (LV) by RV/(LV+septum). Trabeculae were electrically stimulated with 2-s stimulus intervals, and force was measured using a silicon strain gauge (0.7 mM extracellular Ca2+, 24°C). To determine contractile properties of RV muscle, dF/dt was calculated. Using CMR imaging, we measured RV ejection fraction (RVEF) and RV longitudinal strain (RVLS). To modulate RVP, we intravenously injected 5 nmol endothelin-1 (ET-1) and again measured RVEF and RVLS.
Results
MCT-rats showed higher systolic RVP (62.5±16.6 vs. 25.9±1.86 mmHg, p<0.01) and higher weight ratio of RV (0.60±0.03 vs. 0.28±0.02, p<0.05). In CMR imaging, MCT-rats showed lower RVEF (36.1±11.2 vs. 64.8±8.4%, p<0.001) and lower RVLS (−18±9 vs. −30±1%, p<0.05). In trabeculae from RVs, MCT-rats showed lower developed force and lower dF/dt (p<0.01). Correlation between RVLS and dF/dt was higher (n=20, r=0.53, p<0.05) than that between RVEF and dF/dt (r=0.24). In addition, RVLS and dF/dt had already been decreased in 5 MCT-rats with relatively preserved RVEF (>50%), suggesting that RVLS decreases earlier than RVEF in MCT-rats. Ten minutes after the injection of ET-1, RVP was increased from 49.4±7.9 to 57.9±6.4 mmHg in MCT-rats (n=6). In MCT-rats with preserved RVEF and decreased RVLS, the increase in RVP chiefly decreased RVEF while it did not change RVLS and RVEF in Ctr-rats, meaning that RV functional reserve had been decreased in MCT-rats. In trabeculae, developed force and dF/dt were increased after the addition of 0.1 μM ET-1 in MCT- (n=11, p<0.01) and Ctr-rats (n=4, p<0.01).
Conclusion
These results suggest that in rats with PAH, RVLS obtained from CMR can estimate RV functional reserve earlier and more accurately than RVEF. Therefore, RV strain with CMR may become an important parameter to assess RV functional reserve in patients with PAH.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Grant-in-Aid for Young Scientists
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Affiliation(s)
- H Sato
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - Y Someya
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - Y Takahashi
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - K Kumasaka
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - W Sato
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - M Nishiyama
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - A Matsumoto
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - N Morita
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - C Shindoh
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - H Ota
- Tohoku University Graduate School of Medicine, Department of Diagnostic Radiology, Sendai, Japan
| | - T Ueda
- Tohoku University Graduate School of Medicine, Department of Clinical Imaging, Sendai, Japan
| | - R Kawashima
- Tohoku University, Institute of Development, Aging and Cancer, Sendai, Japan
| | - M Miura
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
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Matsumoto A, Yasuko U, Tsukahara D, Jinno H. Omission of axillary dissection after neoadjuvant chemotherapy for node-positive primary breast cancer. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)30596-7] [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] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Mikata Y, Murakami K, Ochi A, Nakagaki F, Naito K, Matsumoto A, Mitsuhashi R, Mikuriya M. Conversion of (µ-OH)2Mn2(II,II) complex to (µ-O)2Mn2(III,III) core supported by a quinoxaline-based tetranitrogen ligand. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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21
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Kobayashi Y, Kinoshita T, Matsumoto A, Yoshino K, Saito I, Xiao JZ. Bifidobacterium Breve A1 Supplementation Improved Cognitive Decline in Older Adults with Mild Cognitive Impairment: An Open-Label, Single-Arm Study. J Prev Alzheimers Dis 2020; 6:70-75. [PMID: 30569089 DOI: 10.14283/jpad.2018.32] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES We previously reported the therapeutic potential of Bifidobacterium breve A1 (B. breve A1) for preventing cognitive impairment in Alzheimer's disease model mice, which suggested that supplementation of the probiotics could be an effective therapeutic strategy for managing cognitive function in mild cognitive impairment (MCI). DESIGN AND SETTINGS We conducted an open-label, single-arm study to examine the effects of 24-week supplementation of B. breve A1 on elderly with MCI in Aki Orthopedics Rehabilitation Clinic in Japan. PARTICIPANTS 27 participants were screened by their Mini Mental State Examination (MMSE) scores. MEASUREMENTS Cognitive function was assessed using MMSE and Digit Symbol Substitution Test (DSST) at baseline and every 8 weeks. Mental condition and quality of life for gastrointestinal symptoms were measured using the Profile of Mood States 2nd Edition (POMS2), and the Gastrointestinal Symptom Rating Scale (GSRS). RESULTS Of the 27 participants enrolled, 19 completed the study. MMSE scores were significantly increased during the intervention by mixed model Dunnett's test and Wilcoxon signed-rank tests (+1.7, P < 0.01). POMS2 and GSRS scores were significantly improved during intervention when analyzed by Wilcoxon signed-rank tests. CONCLUSION The present study showed that oral supplementation of B. breve A1 in participants with MCI improved cognitive function, thus suggesting the potential of B. breve A1 for improving cognitive function and maintaining quality of life of the elderly. Further randomized, double-blind placebo-controlled studies are worth conducting to examine the beneficial effect of B. breve A1.
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Affiliation(s)
- Y Kobayashi
- Yodai Kobayashi, Morinaga Milk Industry Co., Ltd., Next Generation Science Institute, 5-1-83 Higashihara, Zama, Kanagawa 252-8583, Japan, Tel: 81-46-252-3068; Fax: 81-46-252-3077, E-mail:
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Aletaha D, Westhovens R, Gaujoux-Viala C, Adami G, Matsumoto A, Bird P, Messina O, Buch MH, Bartok B, Yin Z, Guo Y, Hendrikx T, Burmester GR. THU0188 EFFICACY OF FILGOTINIB IN PATIENTS WITH RHEUMATOID ARTHRITIS WITH POOR PROGNOSTIC FACTORS: POST HOC ANALYSIS OF FINCH 3. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Background:Patients (pts) with rheumatoid arthritis (RA) with poor prognostic factors (PPF) are at risk for RA progression if disease activity is not rapidly controlled. In FINCH 3 (NCT02886728), filgotinib (FIL)—an oral, potent, selective JAK1 inhibitor—was effective relative to methotrexate monotherapy (MTX mono) in MTX-naïve patients with ≥1 PPF—erosions, seropositivity for rheumatoid factor (RF) or anti-cyclic citrullinated peptide (CCP), or hsCRP ≥4 mg/L.1Objectives:This post hoc analysis examined FIL efficacy in FINCH 3 pts with multiple PPF.Methods:The global, phase 3, double-blind, active-controlled FINCH 3 study randomised MTX-naïve pts with moderately to severely active RA 2:1:1:2 to oral FIL 200 mg once daily + MTX ≤20 mg weekly, FIL 100 mg + MTX, FIL 200 mg mono, or PBO + MTX up to week (W)52. This subgroup analysis included pts with all 4 of the following PPF at baseline (PPF pts): erosions, seropositivity for RF or anti-CCP, hsCRP ≥4 mg/L, and DAS(28)CRP >5.1. Comparisons were not adjusted for multiplicity.Results:Of 1249 pts randomised and treated in FINCH 3, 510 had all 4 PPF. At baseline, relative to the overall FINCH 3 population, PPF pts had longer mean disease duration (2.4 vs 2.2 years); higher mean hsCRP (27.9 vs 17.5 mg/L), mTSS (17.9 vs 13.3), DAS28(CRP) (6.3 vs 5.7), HAQ-DI (1.76 vs 1.56), CDAI (44.3 vs 39.8), and SDAI (47.1 vs 41.5); and greater frequency of seropositivity for RF (90.6% vs 67.9%), anti-CCP (92.4% vs 68.5%), or both (82.9% vs 59.6%). Efficacy in PPF pts was comparable to data from all FINCH 3 pts (Table, Figures 1–2). PPF pts receiving FIL 200 mg with or without MTX vs MTX mono had higher frequencies of ACR20/50/70 response and greater improvement in HAQ-DI at W24; responses were numerically greater for FIL 200 mg + MTX vs FIL 100 mg + MTX or FIL 200 mg mono (Table) and were evident by W12 (data not shown). Radiographic progression at W24 was lower in PPF pts receiving FIL 200 mg + MTX or FIL 200 mg mono vs MTX mono (Figure 1). Proportions of PPF pts receiving FIL 200 mg with or without MTX who achieved DAS28(CRP) <2.6, CDAI ≤2.8, SDAI ≤3.3, and Boolean remission at W24 (Figure 2) were larger vs pts receiving MTX mono and numerically greater vs pts receiving FIL 100 mg + MTX.Table.Efficacy outcomes in patients with 4 PPF and all FINCH 3 patients at W24FIL 200 mg+ MTXFIL 100 mg+ MTXFIL 200 mg monoMTXmonoPPFAllPPFAllPPFAllPPFAlln1724168520787210166416ACR20, %85.5*81.0***83.580.2*81.678.174.771.4ACR50, %70.3***61.5***58.857.0**59.858.1**48.245.7ACR70, %54.1***43.8***37.640.1***43.7*40.0***28.326.0HAQ-DIa−1.2***−0.94***−1.0*−0.90**−1.0*−0.89*−0.9−0.79aMean change from baseline.*, p <0.05;**, p <0.01;***, p <0.001 vs MTX mono, not adjusted for multiplicity.FIL, filgotinib; mono, monotherapy; MTX, methotrexate; PPF, poor prognostic factors.Conclusion:FIL treatment provided rapid and deep disease control including higher rates of remission and other clinical outcomes, improved physical function, and less radiographic progression compared with MTX alone in MTX-naïve pts with RA with 4 PPF, a population at risk for severe progressive disease. In pts with 4 PPF, W24 remission rates following FIL 200 mg with or without MTX were higher vs MTX mono and numerically higher vs FIL 100 mg + MTX.References:[1]Westhovens et al.Ann Rheum Dis2019;78(Suppl2):259–60.Disclosure of Interests:Daniel Aletaha Grant/research support from: AbbVie, Novartis, Roche, Consultant of: AbbVie, Amgen, Celgene, Lilly, Medac, Merck, Novartis, Pfizer, Roche, Sandoz, Sanofi Genzyme, Speakers bureau: AbbVie, Celgene, Lilly, Merck, Novartis, Pfizer, Sanofi Genzyme, UCB, Rene Westhovens Grant/research support from: Celltrion Inc, Galapagos, Gilead, Consultant of: Celltrion Inc, Galapagos, Gilead, Speakers bureau: Celltrion Inc, Galapagos, Gilead, Cecile Gaujoux-Viala Consultant of: AbbVie; Amgen; Bristol-Myers Squibb; Celgene; Gilead Sciences, Inc.; Janssen; Lilly; Medac; Merck-Serono; Mylan; Nordic Pharma; Novartis; Pfizer; Roche; Sandoz; Sanofi; UCB, Speakers bureau: AbbVie; Amgen; Bristol-Myers Squibb; Celgene; Gilead Sciences, Inc.; Janssen; Lilly; Medac; Merck-Serono; Mylan; Nordic Pharma; Novartis; Pfizer; Roche; Sandoz; Sanofi; UCB, Giovanni Adami: None declared, Alan Matsumoto Grant/research support from: AbbVie; BMS; Eli Lilly; Galapagos; Gilead Sciences, Inc.; GSK; Janssen; Novartis; Pfizer; Sanofi; UCB; Regeneron, Consultant of: AbbVie; Gilead Sciences, Inc.; GSK; Novartis, Paul Bird Consultant of: AbbVie, Celgene Corporation, Eli Lilly, Janssen, Novartis, Pfizer – advisor, Speakers bureau: AbbVie, Celgene Corporation, Eli Lilly, Janssen, Novartis, Pfizer, Osvaldo Messina Speakers bureau: Amgen; Americas Health Foundation; Pfizer, Maya H Buch Grant/research support from: Pfizer, Roche, and UCB, Consultant of: Pfizer; AbbVie; Eli Lilly; Gilead Sciences, Inc.; Merck-Serono; Sandoz; and Sanofi, Beatrix Bartok Shareholder of: Gilead Sciences Inc., Employee of: Gilead Sciences Inc., Zhaoyu Yin Shareholder of: Gilead Sciences, Inc., Employee of: Gilead Sciences, Inc., Ying Guo Shareholder of: Gilead Sciences, Inc., Employee of: Gilead Sciences, Inc., Thijs Hendrikx Shareholder of: Galapagos (share/warrant holder), Employee of: Galapagos, Gerd Rüdiger Burmester Consultant of: AbbVie Inc, Eli Lilly, Gilead, Janssen, Merck, Roche, Pfizer, and UCB Pharma, Speakers bureau: AbbVie Inc, Eli Lilly, Gilead, Janssen, Merck, Roche, Pfizer, and UCB Pharma
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Kinariwala D, Khaja M, McCann S, Sheeran D, Park A, Stone J, Wilkins L, Matsumoto A, Redick D. 3:36 PM Abstract No. 169 Preoperative uterine artery embolization before hysterectomy or myomectomy: a case series. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Mikata Y, Kaneda M, Tanaka M, Iwatsuki S, Konno H, Matsumoto A. A Tetrakisquinoline Analog of Calcium Indicator Quin2 for Fluorescence Detection of Cd
2+. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.201901323] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
- Department of Chemistry Nara Women's University Faculty of Science 630‐8506 Nara Japan
| | - Minori Kaneda
- Department of Chemistry Nara Women's University Faculty of Science 630‐8506 Nara Japan
| | - Marin Tanaka
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Satoshi Iwatsuki
- Department of Chemistry Konan University 8‐9–1 Okamoto, Higashinada 658‐8501 Kobe Japan
| | - Hideo Konno
- National Institute of Advanced Industrial Science and Technology (AIST) 1‐1–1 Higashi, Tsukuba 305‐8565 Ibaraki Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University 630‐8506 Nara Japan
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Mikata Y, Nozaki K, Tanaka M, Konno H, Matsumoto A, Kawamura M, Sato SI. Switching of Fluorescent Zn/Cd Selectivity in N, N, N', N'-Tetrakis(6-methoxy-2-quinolylmethyl)-1,2-diphenylethylenediamine by One Asymmetric Carbon Atom Inversion. Inorg Chem 2020; 59:5313-5324. [PMID: 32048842 DOI: 10.1021/acs.inorgchem.9b03304] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A quinoline-based hexadentate ligand, (S,S)-N,N,N',N'-tetrakis(6-methoxy-2-quinolylmethyl)-1,2-diphenylethylenediamine ((S,S)-6-MeOTQPh2EN), exhibits fluorescence enhancement at 498 nm upon addition of 1 equiv of Zn2+ (IZn/I0 = 12, φZn = 0.047) in aqueous DMF solution (DMF/H2O = 2:1). Addition of 1 equiv of Cd2+ affords a much smaller fluorescence increase at the same wavelength (ICd/I0 = 2.5, ICd/IZn = 21%). The trivalent metal ions such as Al3+, Cr3+, and Fe3+ also exhibit fluorescence enhancement at 395 nm (IAl/I0 = 22, ICr/I0 = 6 and IFe3+/I0 = 13). In contrast, meso-6-MeOTQPh2EN exhibits a Cd2+-selective fluorescence increase at 405 nm in the presence of 1 equiv of metal ion (ICd/I0 = 11.5, φCd = 0.022), while Zn2+ induces a smaller fluorescent response under the same experimental conditions (IZn/I0 = 3.3, IZn/ICd = 29%). In this case, the fluorescence intensities of meso-6-MeOTQPh2EN in the presence of a large amount of Zn2+ and Cd2+ become similar. This diastereomer-dependent, fluorescent metal ion specificity is derived from the Zn2+-specific intramolecular excimer formation in (S,S)-6-MeOTQPh2EN-Zn2+ complex and higher binding affinity of meso-6-MeOTQPh2EN with Cd2+ in comparison to Zn2+. The more conformationally restricted diastereomeric pair, namely, cis- and trans-TQDACHs (cis- and trans-N,N,N',N'-tetrakis(2-quinolylmethyl)-1,2-diaminocyclohexanes), both exhibit Zn2+-specific fluorescence enhancement because of the high metal binding affinity and intramolecular excimer forming property derived from the rigid DACH backbone.
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Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan.,KYOUSEI Science Center, Nara Women's University, Nara 630-8506, Japan.,Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Kana Nozaki
- Department of Chemistry, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Marin Tanaka
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Hideo Konno
- National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan
| | - Masaya Kawamura
- Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Shin-Ichiro Sato
- Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan
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26
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Kuroda M, Kawata M, Matsuura A, Adachi K, Hirayama Y, Matsuura T, Matsumoto A, Kodaira M, Kintsu M, Suzuki Y. P6441New continuous glucose monitoring reveals hypoglycemia risk in both diabetic and nondiabetic patients with acute myocardial infarction. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.1035] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
There has been growing evidence that the glucose fluctuation is an important contributing factor to the development of coronary artery disease. However, whether large glucose fluctuation, especially hypoglycemia, may be associated with acute myocardial infarction (AMI) remains largely unknown.
Aim
As new continuous glucose monitoring (CGM) has recently become available to evaluate glucose fluctuation from immediately after an emergency visit, this study sought to investigate glucose fluctuation and the occurrence of hypoglycemia in patients with AMI.
Methods
In this prospective study, 93 consecutive patients with AMI from April 2017 to November 2018 were enrolled. Subcutaneous interstitial glucose levels were monitored from emergency room to discharge using the CGM System. Based on the CGM data, 24-h mean glucose levels, the time in hyperglycemia and hypoglycemia and the occurrence of hypoglycemia, defined as less than 70 mg/dL, were measured, and the mean amplitude of glycemic excursions (MAGE) were calculated.
Results
The majority of patients [n=57, 61% (non-DM)] did not have diabetes and 36 patients had diabetes (DM). The occurrence of hypoglycemia within 24 hours after admission was observed in 49 patients [DM: n=11 (30.6%), non-DM: n=38 (66.7%)]. MAGE within 24 hours after admission were 100±47 in DM patients and 67±20 in non-DM patients. The mean time in hypoglycemia within 24 hours after admission was 148 minutes [DM: 100±260 minutes, non-DM: 178±287 minutes]. The occurrence of hypoglycemia during a hospital stay (mean 11.5 days) was detected in 76 patients [DM: n=28 (77.8%), non-DM: n=48 (84.2%)].
Representative case of hypoglycemia
Conclusion
Not only in DM patients but also in non-DM patients with AMI, large glucose fluctuation and high incidence of hypoglycemia were observed using new CGM system. Further investigations should address the rationale for the early detection and control of glucose fluctuation for AMI patients.
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Affiliation(s)
- M Kuroda
- Akashi Medical Center, Akashi, Japan
| | - M Kawata
- Akashi Medical Center, Akashi, Japan
| | | | - K Adachi
- Akashi Medical Center, Akashi, Japan
| | | | | | | | - M Kodaira
- Akashi Medical Center, Akashi, Japan
| | - M Kintsu
- Akashi Medical Center, Akashi, Japan
| | - Y Suzuki
- Akashi Medical Center, Akashi, Japan
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27
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Enishi T, Matsumoto A. MON-PO408: Effect of Nutrition Status on Patient Activities of Daily Living in Digestive Cancer Patients. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32241-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Sato H, Takahashi Y, Hasegawa T, Someya Y, Matsumoto A, Morita N, Ota H, Ueda T, Kawashima R, Miura M. 331Right ventricular longitudinal strain with CMR is useful to estimate its contractile properties in rats with pulmonary arterial hypertension. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H Sato
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - Y Takahashi
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - T Hasegawa
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - Y Someya
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - A Matsumoto
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - N Morita
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
| | - H Ota
- Tohoku University Graduate School of Medicine, Department of Diagnostic Radiology, Sendai, Japan
| | - T Ueda
- Tohoku University Graduate School of Medicine, Department of Clinical Imaging, Sendai, Japan
| | - R Kawashima
- Tohoku University, Institute of Development, Aging and Cancer, Sendai, Japan
| | - M Miura
- Tohoku University Graduate School of Medicine, Department of Clinical physiology, Sendai, Japan
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29
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Yamauchi T, Matsumoto A, Ito S, Wakamatsu K, Suzuki T, Fujita M. 817 Ethanol induces skin hyperpigmentation in mice with aldehyde dehydrogenase 2 deficiency. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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30
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Matsumoto A, Ozaki H, Tsuchiya S, Asahi T, Lahav M, Kawasaki T, Soai K. Achiral amino acid glycine acts as an origin of homochirality in asymmetric autocatalysis. Org Biomol Chem 2019; 17:4200-4203. [DOI: 10.1039/c9ob00345b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Achiral glycine acts as the origin of chirality in conjunction with asymmetric autocatalysis to afford highly enantioenriched compound.
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Affiliation(s)
- Arimasa Matsumoto
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Hanae Ozaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Sumeru Tsuchiya
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Toru Asahi
- Department of Advanced Science and Engineering
- Graduate School of Advanced Science and Engineering
- Waseda University
- Tokyo 169-8555
- Japan
| | - Meir Lahav
- Weizmann Institute of Science
- Rehovot
- Israel
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Kenso Soai
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
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31
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Kaimori Y, Hiyoshi Y, Kawasaki T, Matsumoto A, Soai K. Formation of enantioenriched alkanol with stochastic distribution of enantiomers in the absolute asymmetric synthesis under heterogeneous solid–vapor phase conditions. Chem Commun (Camb) 2019; 55:5223-5226. [PMID: 30968100 DOI: 10.1039/c9cc01875a] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Absolute asymmetric synthesis under heterogeneous solid–vapor phase conditions in conjunction with asymmetric autocatalysis was achieved.
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Affiliation(s)
- Yoshiyasu Kaimori
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Yui Hiyoshi
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Arimasa Matsumoto
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Kenso Soai
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
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32
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Mikata Y, Kaneda M, Konno H, Matsumoto A, Sato SI, Kawamura M, Iwatsuki S. Methoxy-substituted tetrakisquinoline analogs of EGTA and BAPTA for fluorescence detection of Cd2+. Dalton Trans 2019; 48:3840-3852. [DOI: 10.1039/c8dt04735a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A 5,6,7-trimethoxyquinoline-based octadentate ligand with a BAPTA (1,2-bis(2-aminophenoxy)ethane-N,N,N′,N′-tetraacetic acid) structure exhibits Cd2+-specific fluorescence enhancement.
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Affiliation(s)
- Yuji Mikata
- Department of Chemistry
- Biology
- and Environmental Science
- Faculty of Science
- Nara Women's University
| | - Minori Kaneda
- Department of Chemistry
- Faculty of Science
- Nara Women's University
- Nara 630-8506
- Japan
| | - Hideo Konno
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
| | - Arimasa Matsumoto
- Department of Chemistry
- Biology
- and Environmental Science
- Faculty of Science
- Nara Women's University
| | - Shin-ichiro Sato
- Graduate School of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Masaya Kawamura
- Graduate School of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
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33
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Matsumoto A, Umemoto Y, Jinno H. Omission of axillary lymph node dissection after positive sentinel lymph node: Validity and safety among early breast cancer patients treated with mastectomy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy270.257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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34
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Enishi T, Yamasaki N, Matsumoto A, Higuchi T, Takeuchi M, Kashima M, Yoshioka S, Nakamura M, Nakano S. Factors associated with the risk of fall in stroke inpatients. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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35
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Mikata Y, Nozaki K, Kaneda M, Yasuda K, Aoyama M, Tamotsu S, Matsumoto A. Front Cover: Carbohydrate‐Appended TQNPEN [
N
,
N
,
N′
,
N′
‐Tetrakis(2‐quinolylmethyl)‐3‐aza‐1,5‐pentanediamine] Derivatives for Fluorescence Detection of Intracellular Cd
2+
(Eur. J. Inorg. Chem. 24/2018). Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800702] [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: 11/11/2022]
Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Kana Nozaki
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Minori Kaneda
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Keiko Yasuda
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Masato Aoyama
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Satoshi Tamotsu
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
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36
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Mikata Y, Nozaki K, Kaneda M, Yasuda K, Aoyama M, Tamotsu S, Matsumoto A. Carbohydrate‐Appended TQNPEN [
N
,
N
,
N′
,
N′
‐Tetrakis(2‐quinolylmethyl)‐3‐aza‐1,5‐pentanediamine] Derivatives for Fluorescence Detection of Intracellular Cd
2+. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800703] [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: 11/08/2022]
Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Kana Nozaki
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Minori Kaneda
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Keiko Yasuda
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Masato Aoyama
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Satoshi Tamotsu
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
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37
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Mikata Y, Ohnishi R, Nishijima R, Matsumoto A, Konno H. Pyrophosphate-Induced Intramolecular Excimer Formation in Dinuclear Zinc(II) Complexes with Tetrakisquinoline Ligands. Inorg Chem 2018; 57:7724-7734. [PMID: 29905465 DOI: 10.1021/acs.inorgchem.8b00726] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dinuclear Zn2+ complexes with HTQHPN ( N,N,N' ,N'-tetrakis(2-quinolylmethyl)-2-hydroxy-1,3-propanediamine) derivatives have been prepared, and their pyrophosphate (PPi, P2O74-) sensing properties were examined. The ligand library includes six HTQHPN derivatives with electron-donating/withdrawing substituents, an extended aromatic ring, and six-membered chelates upon zinc binding. Complexation of ligand with 2 equiv of Zn2+ promotes small to moderate fluorescence enhancement around 380 nm, but in the cases of HTQHPN, HT(6-FQ)HPN ( N,N,N' ,N'-tetrakis(6-fluoro-2-quinolylmethyl)-2-hydroxy-1,3-propanediamine), and HT(8Q)HPN ( N,N,N' ,N'-tetrakis(8-quinolylmethyl)-2-hydroxy-1,3-propanediamine), subsequent addition of PPi induced a significant fluorescence increase around 450 nm. This fluorescence enhancement in the long-wavelength region is attributed to the conformational change of the bis-(quinolylmethyl)amine moiety which promotes intramolecular excimer formation between adjacent quinolines upon binding with PPi. The structures of PPi- and phosphate-bound dizinc complexes were revealed by X-ray crystallography utilizing phenyl-substituted analogues. The zinc complex with HT(8Q)HPN exhibits the highest signal enhancement ( IPPi/ I0 = 12.5) and selectivity toward PPi sensing ( IATP/ IPPi = 20% and IADP/ IPPi = 25%). The fluorescence enhancement turned to decrease gradually after the addition of more than 1 equiv of PPi due to the removal of zinc ion from the ligand-zinc-PPi ternary complex, allowing the accurate determination of PPi concentrations at the fluorescence maximum composition. The practical application of the present method was demonstrated monitoring the enzymatic activity of pyrophosphatase.
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Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science , Nara Women's University , Nara 630-8506 , Japan.,KYOUSEI Science Center , Nara Women's University , Nara 630-8506 , Japan.,Department of Chemistry, Faculty of Science , Nara Women's University , Nara 630-8506 , Japan
| | - Risa Ohnishi
- Department of Chemistry, Faculty of Science , Nara Women's University , Nara 630-8506 , Japan
| | - Risa Nishijima
- Department of Chemistry, Faculty of Science , Nara Women's University , Nara 630-8506 , Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science , Nara Women's University , Nara 630-8506 , Japan
| | - Hideo Konno
- National Institute of Advanced Industrial Science and Technology (AIST) , 1-1-1 Higashi , Tsukuba , Ibaraki 305-8565 , Japan
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38
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Mikata Y, Nozaki K, Kaneda M, Yasuda K, Aoyama M, Tamotsu S, Matsumoto A. Carbohydrate‐Appended TQNPEN [
N
,
N
,
N′
,
N′
‐Tetrakis(2‐quinolylmethyl)‐3‐aza‐1,5‐pentanediamine] Derivatives for Fluorescence Detection of Intracellular Cd
2+. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800086] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Kana Nozaki
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Minori Kaneda
- Department of Chemistry Nara Women's University 630‐8506 Nara Japan
| | - Keiko Yasuda
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Masato Aoyama
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
| | - Satoshi Tamotsu
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
- KYOUSEI Science Center Nara Women's University 630‐8506 Nara Japan
| | - Arimasa Matsumoto
- Department of Chemistry, Biology, and Environmental Science Faculty of Science Nara Women's University 630‐8506 Nara Japan
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39
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Matsumoto A, Yonemitsu K, Ozaki H, Míšek J, Starý I, Stará IG, Soai K. Reversal of the sense of enantioselectivity between 1- and 2-aza[6]helicenes used as chiral inducers of asymmetric autocatalysis. Org Biomol Chem 2018; 15:1321-1324. [PMID: 28102409 DOI: 10.1039/c6ob02745h] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Reversal of the sense of enantioselectivity was observed between 1-aza[6]helicene 2 and 2-aza[6]helicene 3 employed as chiral inducers of asymmetric autocatalysis of pyrimidyl alkanol. In the presence of (P)-(+)-1-aza[6]helicene 2, the reaction of pyrimidine-5-carbaldehyde 1 with diisopropylzinc afforded, in conjunction with asymmetric autocatalysis, (S)-pyrimidyl alkanol 4 with high ee. Surprisingly, the reaction in the presence of (P)-(+)-2-aza[6]helicene 3 gave the opposite enantiomer of (R)-alkanol 4 with high ee. In the same manner, (M)-(-)-2 and (M)-(-)-3 afforded (R)- and (S)-alkanol 4, respectively. The sense of enantioselectivity is controlled not only by the helicity of the azahelicene derivatives but also by the position of the nitrogen atom.
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Affiliation(s)
- Arimasa Matsumoto
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601 Japan. and Research Institute of Science and Technology, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601 Japan
| | - Kento Yonemitsu
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601 Japan.
| | - Hanae Ozaki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601 Japan.
| | - Jiří Míšek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic.
| | - Ivo Starý
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic.
| | - Irena G Stará
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic.
| | - Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601 Japan. and Research Institute of Science and Technology, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601 Japan
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Matsumoto A, Hara T, Shimanoe C, Yuzuriha T, Yoshimori C, Muto T, Endo K, Hara M, Ichiba M, Konakahara T, Yajima I, Vasiliou V, Song BJ, Fujita M. A novel phenotype of ALDH2 polymorphism: alcohol-induced skin pigmentation. Alcohol 2018. [DOI: 10.1016/j.alcohol.2017.11.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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41
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Welch CJ, Zawatzky K, Makarov AA, Fujiwara S, Matsumoto A, Soai K. Can the analyte-triggered asymmetric autocatalytic Soai reaction serve as a universal analytical tool for measuring enantiopurity and assigning absolute configuration? Org Biomol Chem 2018; 15:96-101. [PMID: 27714244 DOI: 10.1039/c6ob01939k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An investigation is reported on the use of the autocatalytic enantioselective Soai reaction, known to be influenced by the presence of a wide variety of chiral materials, as a generic tool for measuring the enantiopurity and absolute configuration of any substance. Good generality for the reaction across a small group of test analytes was observed, consistent with literature reports suggesting a diversity of compound types that can influence the stereochemical outcome of this reaction. Some trends in the absolute sense of stereochemical enrichment were noted, suggesting the possible utility of the approach for assigning absolute configuration to unknown compounds, by analogy to closely related species with known outcomes. Considerable variation was observed in the triggering strength of different enantiopure materials, an undesirable characteristic when dealing with mixtures containing minor impurities with strong triggering strength in the presence of major components with weak triggering strength. A strong tendency of the reaction toward an 'all or none' type of behavior makes the reaction most sensitive for detecting enantioenrichment close to zero. Consequently, the ability to discern modest from excellent enantioselectivity was relatively poor. While these properties limit the ability to obtain precise enantiopurity measurements in a simple single addition experiment, prospects may exist for more complex experimental setups that may potentially offer improved performance.
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Affiliation(s)
- Christopher J Welch
- Department of Process Research & Development, Merck Research Laboratories, Rahway, NJ, USA.
| | - Kerstin Zawatzky
- Department of Process Research & Development, Merck Research Laboratories, Rahway, NJ, USA.
| | - Alexey A Makarov
- Department of Process Research & Development, Merck Research Laboratories, Rahway, NJ, USA.
| | - Satoshi Fujiwara
- Department of Applied Chemistry, Tokyo University of Science Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Arimasa Matsumoto
- Research Center for Chirality, Research Institute for Science and Technology, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
| | - Kenso Soai
- Research Center for Chirality, Research Institute for Science and Technology, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
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42
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Matsumoto A, Yoshikawa M, Jinno H. Prognostic significance of biomarker discordance in breast cancer patients with neoadjuvant chemotherapy. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx655.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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43
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Matsumoto A, Yamanishi T, Okuno K, Naruse Y. Characteristics of the ‘Cryogenic-Wall’ Thermal Diffusion Column for Separation of Hydrogen Isotopes. ACTA ACUST UNITED AC 2017. [DOI: 10.13182/fst92-a30007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- A. Matsumoto
- Tritium Engineering Laboratory JapanAtomic EnergyResearch Institute Tokai-mura, Ibaraki-ken, 319-11 Japan 81-292-82-6390
| | - T. Yamanishi
- Tritium Engineering Laboratory JapanAtomic EnergyResearch Institute Tokai-mura, Ibaraki-ken, 319-11 Japan 81-292-82-6390
| | - K. Okuno
- Tritium Engineering Laboratory JapanAtomic EnergyResearch Institute Tokai-mura, Ibaraki-ken, 319-11 Japan 81-292-82-6390
| | - Y. Naruse
- Tritium Engineering Laboratory JapanAtomic EnergyResearch Institute Tokai-mura, Ibaraki-ken, 319-11 Japan 81-292-82-6390
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Matsuura T, Adachi K, Kodaira M, Hirayama Y, Matsumoto A, Kato Y, Kawata M, Matsuura A, Kamemura K, Kuroda M, Sogabe K, Takigami M, Kintsu M, Sakamoto S. P5471Cardiac resynchronization therapy in patients with narrow QRS complex: impact of left axis deviation to predict outcomes and survival. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5471] [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] [Indexed: 11/14/2022] Open
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Kato Y, Kuroda M, Sogabe K, Kawata M, Matsuura A, Adachi K, Hirayama Y, Kamemura K, Matsuura T, Matsumoto A, Takigami M, Kodaira M, Kintsu M, Sakamoto S. P2348Long-term vessel healing response to first-generation versus second-generation drug-eluting stents in acute coronary syndrome assessed by optical coherence tomography. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2348] [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] [Indexed: 11/12/2022] Open
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Kodaira M, Matsuura T, Adachi K, Hirayama Y, Matsumoto A, Kato Y, Kawata M, Matsuura A, Kamemura K, Kuroda M, Sogabe K, Takigami M, Kintsu M. P5478QRS axis and benefit of cardiac resynchronization therapy in heart failure patients with non-Left bundle branch block, from long term follow up. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5478] [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] [Indexed: 11/13/2022] Open
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Sogabe K, Kuroda M, Takigami M, Kawata M, Matsuura A, Adachi K, Hirayama Y, Kamemura K, Matsuura T, Matsumoto A, Kato Y, Kodaira M, Kintsu M, Sakamoto S. P2340Impact of optical coherence tomography findings during percutaneous coronary intervention on 2-year clinical outcomes: comparison between stable angina pectoris and acute coronary syndrome. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2340] [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] [Indexed: 11/13/2022] Open
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Matsumoto A, Stephenson-Brown AJ, Khan T, Miyazawa T, Cabral H, Kataoka K, Miyahara Y. Heterocyclic boronic acids display sialic acid selective binding in a hypoxic tumor relevant acidic environment. Chem Sci 2017; 8:6165-6170. [PMID: 28989647 PMCID: PMC5627601 DOI: 10.1039/c7sc01905j] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [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: 04/28/2017] [Accepted: 06/19/2017] [Indexed: 01/02/2023] Open
Abstract
A group of heterocyclic boronic acids demonstrating unusually high affinity and selectivity for sialic acids are described, with strong interactions under the weakly acidic pH conditions associated with a hypoxic tumoral microenvironment.
Boronic acids are well known for their ability to reversibly interact with the diol groups found in sugars and glycoproteins. However, they are generally indiscriminate in their binding. Herein we describe the discovery of a group of heterocyclic boronic acids demonstrating unusually high affinity and selectivity for sialic acids (SAs or N-acetylneuraminic acid), which are sugar residues that are intimately linked with tumor growth and cancer progression. Remarkably, these interactions strengthen under the weakly acidic pH conditions associated with a hypoxic tumoral microenvironment. In vitro competitive binding assays uncovered a significantly higher ability of 5-boronopicolinic acid, one of the derivatives identified in this work as a strong SA-binder, to interact with cell surface SA in comparison to a gold-standard structure, 3-propionamidophenylboronic acid, which has proven to be an efficient SA-binder in numerous reports. This structure also proved to be suitable for further chemical conjugation with a well-preserved SA-binding capability. These findings suggest an attractive alternative to other ongoing boronic acid based chemistry techniques aiming to achieve tumor-specific chemotherapies and diagnoses.
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Affiliation(s)
- A Matsumoto
- Institute of Biomaterials and Bioengineering , Tokyo Medical and Dental University , 2-3-10 Kanda-Surugadai, Chiyoda-ku , Tokyo 101-0062 , Japan .
| | - A J Stephenson-Brown
- School of Chemical Engineering , University of Birmingham , Edgbaston , Birmingham , B15 2TT , UK
| | - T Khan
- Department of Bioengineering , Graduate School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
| | - T Miyazawa
- Institute of Biomaterials and Bioengineering , Tokyo Medical and Dental University , 2-3-10 Kanda-Surugadai, Chiyoda-ku , Tokyo 101-0062 , Japan .
| | - H Cabral
- Department of Bioengineering , Graduate School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
| | - K Kataoka
- School of Chemical Engineering , University of Birmingham , Edgbaston , Birmingham , B15 2TT , UK.,Department of Materials Engineering , Graduate School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
| | - Y Miyahara
- Institute of Biomaterials and Bioengineering , Tokyo Medical and Dental University , 2-3-10 Kanda-Surugadai, Chiyoda-ku , Tokyo 101-0062 , Japan .
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Matsumoto A, Murota H, Terao M, Katayama I. 898 Homeostatic activation of epidermal HSD11b1 affects skin innervation and non-histaminergic itch. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Matsumoto A, Jinno H, Yanagisawa T, Yoshikawa M, Takahashi Y, Seki T, Takahashi M, Hayashida T, Ikeda T, Kitagawa Y. Abstract P2-01-37: Technical feasibility and validity of sentinel lymph node biopsy in patients with ipsilateral breast tumor recurrence. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p2-01-37] [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: 11/16/2022]
Abstract
Abstract
Background: The incidence of ipsilateral breast tumor recurrence (IBTR) was reported to be approximately 5-10% of breast cancer patients who had breast-conserving surgery. However, the role of sentinel lymph node biopsy (SLNB) in patients with IBTR still remains to be elucidated. The aim of this study wasto evaluate feasibility and validity of sentinel lymph node biopsy for ipsilateral breast tumor recurrence (second SLNB).
Patients and methods: A prospective database of 1607 patients with clinically node-negative breast cancer who underwent SLNB from January 2005 to May 2015 was analyzed and 46 patients with IBTR underwent SLNB. Lymphatic mapping was performed using a combined method of blue dye and radioisotope. ICG fluorescence imaging was performed in cases with failure of identification by blue dye and radioisotope.
Results: The median age was 52 (range: 36-82) years at the time of second SLNB and the mean size of recurrent tumor was 1.39 ± 0.63 cm. Thirty-one (67.4%) and 10 (21.7%) patients had a history of previous SLNB and axillary lymph node dissection (ALND), respectively. Another five (10.9%) patients had no previous axillary surgery for primary tumors. Preoperative lymphatic mapping by lymphoscintigraphy was successfully performed in 24 of 36 patients (66.7%). The identification rate by lymphoscintigraphy among patients with previous SLNB, ALND, and no axillary surgery was 64.0% (16/25), 66.6% (6/9) and 100% (2/2), respectively (P= 0.583). Overall, sentinel lymph nodes (SLNs) were successfully identified in 37 (80.4%) of 46 patients during surgery. The identification rate in patients with previous SLNB, ALND and no axillary surgery was 80.6% (25/31), 80.0% (8/10) and 80.0% (4/5), respectively (P=0.990). The aberrant lymphatic drainage to extra-ipsilateral axilla was found more frequently in patients with previous ALND compared with previous SLNB and no axillary surgery (40.0% vs. 6.5% vs. 0%, P=0.015).Among three (6.5%) patients with SLN metastases, one patient with previous SLNB had macrometastasis at the ipsilateral axilla and ALND found a positive non-SLN (1/21). The remaining two patients with previous SLNB and ALND had micrometastases at ipsilateral and contralateral axilla, respectively and both patients underwent no further axillary treatment. After second SLNB, systemic treatment including chemotherapy, endocrine therapy and trastuzumab was performed in 17 (37.0%), 36 (78.3%) and seven (15.2%) patients, respectively. No axillary recurrence was observed after a median follow-up time of 37.2 months from surgery for IBTR.
Conclusions: Second SLNB is technically feasible regardless of types of previous axillary surgery and may avoid complications from unnecessary ALND for IBTR. Furthermore, it could improve risk prediction for IBTR and provide valid information for deciding adjuvant therapy.
Citation Format: Matsumoto A, Jinno H, Yanagisawa T, Yoshikawa M, Takahashi Y, Seki T, Takahashi M, Hayashida T, Ikeda T, Kitagawa Y. Technical feasibility and validity of sentinel lymph node biopsy in patients with ipsilateral breast tumor recurrence [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P2-01-37.
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Affiliation(s)
- A Matsumoto
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - H Jinno
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - T Yanagisawa
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - M Yoshikawa
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - Y Takahashi
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - T Seki
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - M Takahashi
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - T Hayashida
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - T Ikeda
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
| | - Y Kitagawa
- Teikyo University School of Medicine, Tokyo, Japan; Keio University School of Medicine, Tokyo, Japan; Kitasato University Kitasato Insitute Hospital, Tokyo, Japan
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