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Kondo T, Otake K, Kakinuma H, Sato Y, Ambo S, Egusa H. Zinc- and Fluoride-Releasing Bioactive Glass as a Novel Bone Substitute. J Dent Res 2024:220345241231772. [PMID: 38581240 DOI: 10.1177/00220345241231772] [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] [Indexed: 04/08/2024] Open
Abstract
Bioglass 45S5, a silica-based glass, has pioneered a new field of biomaterials. Bioglass 45S5 promotes mineralization through calcium ion release and is widely used in the dental field, including toothpaste formulations. However, the use of Bioglass 45S5 for bone grafting is limited owing to the induction of inflammation, as well as reduced degradation and ion release. Phosphate-based glasses exhibit higher solubility and ion release than silica-based glass. Given that these glasses can be synthesized at low temperatures (approximately 1,000°C), they can easily be doped with various metal oxides to confer therapeutic properties. Herein, we fabricated zinc- and fluoride-doped phosphate-based glass (multicomponent phosphate [MP] bioactive glass) and further doped aluminum oxide into the MP glass (4% Al-MP glass) to overcome the striking solubility of phosphate-based glass. Increased amounts of zinc and fluoride ions were detected in water containing the MP glass. Doping of aluminum oxide into the MP glass suppressed the striking dissolution in water, with 4% Al-MP glass exhibiting the highest stability in water. Compared with Bioglass 45S5, 4% Al-MP glass in water had a notably reduced particle size, supporting the abundant ion release of 4% Al-MP glass. Compared with Bioglass 45S5, 4% Al-MP glass enhanced the osteogenesis of mouse bone marrow-derived mesenchymal stem cells. Mouse macrophages cultured with 4% Al-MP glass displayed enhanced induction of anti-inflammatory M2 macrophages and reduced proinflammatory M1 macrophages, indicating M2 polarization. Upon implanting 4% Al-MP glass or Bioglass 45S5 in a mouse calvarial defect, 4% Al-MP glass promoted significant bone regeneration when compared with Bioglass 45S5. Hence, we successfully fabricated zinc- and fluoride-releasing bioactive glasses with improved osteogenic and anti-inflammatory properties, which could serve as a promising biomaterial for bone regeneration.
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Affiliation(s)
- T Kondo
- Division of Molecular & Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
- Department of Next-Generation Dental Material Engineering, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - K Otake
- Division of Molecular & Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - H Kakinuma
- Department of Next-Generation Dental Material Engineering, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Y Sato
- Division of Molecular & Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - S Ambo
- Division of Molecular & Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - H Egusa
- Division of Molecular & Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
- Department of Next-Generation Dental Material Engineering, Tohoku University Graduate School of Dentistry, Sendai, Japan
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2
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Zeng C, Zheng W, Xu H, Osella S, Ma W, Wang HI, Qiu Z, Otake K, Ren W, Cheng H, Müllen K, Bonn M, Gu C, Ma Y. Electrochemical Deposition of a Single‐Crystalline Nanorod Polycyclic Aromatic Hydrocarbon Film with Efficient Charge and Exciton Transport. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115389] [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)
- Cheng Zeng
- State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 P. R. China
| | - Wenhao Zheng
- Max Planck Institute for Polymer Research Ackermannweg 10 55122 Mainz Germany
| | - Hong Xu
- Institute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 P. R. China
| | - Silvio Osella
- Chemical and Biological Systems Simulation Lab Center of New Technologies University of Warsaw Banacha 2C 02-097 Warsaw Poland
| | - Wei Ma
- Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang 110016 P. R. China
| | - Hai I. Wang
- Max Planck Institute for Polymer Research Ackermannweg 10 55122 Mainz Germany
| | - Zijie Qiu
- Max Planck Institute for Polymer Research Ackermannweg 10 55122 Mainz Germany
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Institute for Advanced Study Kyoto University Kyoto 606-8501 Japan
| | - Wencai Ren
- Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang 110016 P. R. China
| | - Huiming Cheng
- Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang 110016 P. R. China
| | - Klaus Müllen
- Max Planck Institute for Polymer Research Ackermannweg 10 55122 Mainz Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research Ackermannweg 10 55122 Mainz Germany
| | - Cheng Gu
- State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 P. R. China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates South China University of Technology Guangzhou 510640 P. R. China
| | - Yuguang Ma
- State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 P. R. China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates South China University of Technology Guangzhou 510640 P. R. China
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3
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Shivanna M, Otake K, Song B, van Wyk LM, Yang Q, Kumar N, Feldmann WK, Pham T, Suepaul S, Space B, Barbour LJ, Kitagawa S, Zaworotko MJ. Benchmark Acetylene Binding Affinity and Separation through Induced Fit in a Flexible Hybrid Ultramicroporous Material. Angew Chem Int Ed Engl 2021; 60:20383-20390. [PMID: 34250717 PMCID: PMC8457195 DOI: 10.1002/anie.202106263] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Indexed: 01/03/2023]
Abstract
Structural changes at the active site of an enzyme induced by binding to a substrate molecule can result in enhanced activity in biological systems. Herein, we report that the new hybrid ultramicroporous material sql-SIFSIX-bpe-Zn exhibits an induced fit binding mechanism when exposed to acetylene, C2 H2 . The resulting phase change affords exceptionally strong C2 H2 binding that in turn enables highly selective C2 H2 /C2 H4 and C2 H2 /CO2 separation demonstrated by dynamic breakthrough experiments. sql-SIFSIX-bpe-Zn was observed to exhibit at least four phases: as-synthesised (α); activated (β); and C2 H2 induced phases (β' and γ). sql-SIFSIX-bpe-Zn-β exhibited strong affinity for C2 H2 at ambient conditions as demonstrated by benchmark isosteric heat of adsorption (Qst ) of 67.5 kJ mol-1 validated through in situ pressure gradient differential scanning calorimetry (PG-DSC). Further, in situ characterisation and DFT calculations provide insight into the mechanism of the C2 H2 induced fit transformation, binding positions and the nature of host-guest and guest-guest interactions.
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Affiliation(s)
- Mohana Shivanna
- Department of Chemical SciencesBernal InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
- Institute for Integrated Cell-Material SciencesKyoto University Institute for Advanced Study, Kyoto UniversityYoshida Ushinomiya-cho, Sakyo-kuKyoto606-8501Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material SciencesKyoto University Institute for Advanced Study, Kyoto UniversityYoshida Ushinomiya-cho, Sakyo-kuKyoto606-8501Japan
| | - Bai‐Qiao Song
- Department of Chemical SciencesBernal InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
| | - Lisa M. van Wyk
- Department of Chemistry and Polymer ScienceStellenbosch UniversityMatieland7602South Africa
| | - Qing‐Yuan Yang
- Department of Chemical SciencesBernal InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
| | - Naveen Kumar
- Department of Chemical SciencesBernal InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
| | - Wesley K. Feldmann
- Department of Chemistry and Polymer ScienceStellenbosch UniversityMatieland7602South Africa
| | - Tony Pham
- Department of ChemistryUniversity of South Florida4202 East Fowler AvenueTampaFL33620USA
- Department of Chemistry, Biochemistry, and PhysicsThe University of Tampa401 West Kennedy BoulevardTampaFL33606-1490USA
| | - Shanelle Suepaul
- Department of ChemistryUniversity of South Florida4202 East Fowler AvenueTampaFL33620USA
| | - Brian Space
- Department of ChemistryUniversity of South Florida4202 East Fowler AvenueTampaFL33620USA
| | - Leonard J. Barbour
- Department of Chemistry and Polymer ScienceStellenbosch UniversityMatieland7602South Africa
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material SciencesKyoto University Institute for Advanced Study, Kyoto UniversityYoshida Ushinomiya-cho, Sakyo-kuKyoto606-8501Japan
| | - Michael J. Zaworotko
- Department of Chemical SciencesBernal InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
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Shivanna M, Otake K, Song B, Wyk LM, Yang Q, Kumar N, Feldmann WK, Pham T, Suepaul S, Space B, Barbour LJ, Kitagawa S, Zaworotko MJ. Benchmark Acetylene Binding Affinity and Separation through Induced Fit in a Flexible Hybrid Ultramicroporous Material. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106263] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mohana Shivanna
- Department of Chemical Sciences Bernal Institute University of Limerick Limerick V94 T9PX Republic of Ireland
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Bai‐Qiao Song
- Department of Chemical Sciences Bernal Institute University of Limerick Limerick V94 T9PX Republic of Ireland
| | - Lisa M. Wyk
- Department of Chemistry and Polymer Science Stellenbosch University Matieland 7602 South Africa
| | - Qing‐Yuan Yang
- Department of Chemical Sciences Bernal Institute University of Limerick Limerick V94 T9PX Republic of Ireland
| | - Naveen Kumar
- Department of Chemical Sciences Bernal Institute University of Limerick Limerick V94 T9PX Republic of Ireland
| | - Wesley K. Feldmann
- Department of Chemistry and Polymer Science Stellenbosch University Matieland 7602 South Africa
| | - Tony Pham
- Department of Chemistry University of South Florida 4202 East Fowler Avenue Tampa FL 33620 USA
- Department of Chemistry, Biochemistry, and Physics The University of Tampa 401 West Kennedy Boulevard Tampa FL 33606-1490 USA
| | - Shanelle Suepaul
- Department of Chemistry University of South Florida 4202 East Fowler Avenue Tampa FL 33620 USA
| | - Brian Space
- Department of Chemistry University of South Florida 4202 East Fowler Avenue Tampa FL 33620 USA
| | - Leonard J. Barbour
- Department of Chemistry and Polymer Science Stellenbosch University Matieland 7602 South Africa
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Michael J. Zaworotko
- Department of Chemical Sciences Bernal Institute University of Limerick Limerick V94 T9PX Republic of Ireland
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5
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Gu Y, Zheng J, Otake K, Shivanna M, Sakaki S, Yoshino H, Ohba M, Kawaguchi S, Wang Y, Li F, Kitagawa S. Frontispiz: Host–Guest Interaction Modulation in Porous Coordination Polymers for Inverse Selective CO
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Separation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202182161] [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: 11/10/2022]
Affiliation(s)
- Yifan Gu
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Jia‐Jia Zheng
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Mohana Shivanna
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Haruka Yoshino
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Masaaki Ohba
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Insitute (JASRI) SPring-8 1-1-1 Kouto, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
| | - Ying Wang
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Fengting Li
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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6
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Gu Y, Zheng J, Otake K, Shivanna M, Sakaki S, Yoshino H, Ohba M, Kawaguchi S, Wang Y, Li F, Kitagawa S. Frontispiece: Host–Guest Interaction Modulation in Porous Coordination Polymers for Inverse Selective CO
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Separation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/anie.202182161] [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: 11/10/2022]
Affiliation(s)
- Yifan Gu
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Jia‐Jia Zheng
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Mohana Shivanna
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Haruka Yoshino
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Masaaki Ohba
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Insitute (JASRI) SPring-8 1-1-1 Kouto, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
| | - Ying Wang
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Fengting Li
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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7
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Gu Y, Zheng J, Otake K, Shivanna M, Sakaki S, Yoshino H, Ohba M, Kawaguchi S, Wang Y, Li F, Kitagawa S. Host–Guest Interaction Modulation in Porous Coordination Polymers for Inverse Selective CO
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Separation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016673] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yifan Gu
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Jia‐Jia Zheng
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Mohana Shivanna
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Haruka Yoshino
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Masaaki Ohba
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Insitute (JASRI) SPring-8 1-1-1 Kouto, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
| | - Ying Wang
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Fengting Li
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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8
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Gu Y, Zheng J, Otake K, Shivanna M, Sakaki S, Yoshino H, Ohba M, Kawaguchi S, Wang Y, Li F, Kitagawa S. Host–Guest Interaction Modulation in Porous Coordination Polymers for Inverse Selective CO
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Separation. Angew Chem Int Ed Engl 2021; 60:11688-11694. [DOI: 10.1002/anie.202016673] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Indexed: 12/30/2022]
Affiliation(s)
- Yifan Gu
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Jia‐Jia Zheng
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Mohana Shivanna
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Haruka Yoshino
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Masaaki Ohba
- Department of Chemistry Faculty of Science Kyushu University Motooka 744 Fukuoka 819-0395 Nishi-ku Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Insitute (JASRI) SPring-8 1-1-1 Kouto, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
| | - Ying Wang
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Fengting Li
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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9
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Wang P, Otake K, Hosono N, Kitagawa S. Crystal Flexibility Design through Local and Global Motility Cooperation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015257] [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: 11/12/2022]
Affiliation(s)
- Ping Wang
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Nobuhiko Hosono
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Department of Advanced Materials Science Graduate School of Frontier Sciences The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa Chiba 277-8561 Japan
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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10
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Wang P, Otake K, Hosono N, Kitagawa S. Crystal Flexibility Design through Local and Global Motility Cooperation. Angew Chem Int Ed Engl 2021; 60:7030-7035. [DOI: 10.1002/anie.202015257] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Indexed: 11/10/2022]
Affiliation(s)
- Ping Wang
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Nobuhiko Hosono
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Department of Advanced Materials Science Graduate School of Frontier Sciences The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa Chiba 277-8561 Japan
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Kyoto University Institute for Advanced Study Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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11
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Gu Y, Zheng J, Otake K, Sugimoto K, Hosono N, Sakaki S, Li F, Kitagawa S. Structural‐Deformation‐Energy‐Modulation Strategy in a Soft Porous Coordination Polymer with an Interpenetrated Framework. Angew Chem Int Ed Engl 2020; 59:15517-15521. [DOI: 10.1002/anie.202003186] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/30/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Yifan Gu
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Jia‐Jia Zheng
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Kunihisa Sugimoto
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Nobuhiko Hosono
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Fengting Li
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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Gu Y, Zheng J, Otake K, Sugimoto K, Hosono N, Sakaki S, Li F, Kitagawa S. Structural‐Deformation‐Energy‐Modulation Strategy in a Soft Porous Coordination Polymer with an Interpenetrated Framework. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003186] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Yifan Gu
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Jia‐Jia Zheng
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Ken‐ichi Otake
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Kunihisa Sugimoto
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Nobuhiko Hosono
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry Kyoto University Takano Nishihiraki-cho 34-4, Sakyo-ku Kyoto 606-8103 Japan
| | - Fengting Li
- College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security State Key Laboratory of Pollution Control and Resource Reuse Tongji University Siping Rd 1239 200092 Shanghai China
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences Kyoto University Institute for Advanced Study, Kyoto University Yoshida Ushinomiya-cho, Sakyo-ku Kyoto 606-8501 Japan
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13
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Irahara T, Sato N, Otake K, Inoue K, Koike K, Yokota H. OR14: Neuromuscular Electrical Stimulation Can Alter the Energy Substrate Metabolism and Survival of the Acute Endotoxic Shock Mice. Clin Nutr 2016. [DOI: 10.1016/s0261-5614(16)30253-9] [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: 11/16/2022]
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14
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Sato N, Kitaguchi A, Otake K, Irahara T, Murata S, Harima Y, Mori T, Ohtsuru S, Koike K. MON-P008: Lactoferrin Protect Intestinal Epithelial Cell Damage Induced by Clostridium Difficile Toxin A, but not Pepsin Treated Lactoferrin. Clin Nutr 2016. [DOI: 10.1016/s0261-5614(16)30609-4] [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: 11/16/2022]
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15
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Otake K, Otsubo K, Sugimoto K, Fujiwara A, Kitagawa H. Ultrafine Metal–Organic Right Square Prism Shaped Nanowires. Angew Chem Int Ed Engl 2016; 55:6448-51. [DOI: 10.1002/anie.201601678] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 03/09/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Ken‐ichi Otake
- Division of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Kazuya Otsubo
- Division of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Kunihisa Sugimoto
- Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
| | - Akihiko Fujiwara
- Department of Nanotechnology for Sustainable Energy Graduate School of Science and Technology Kwansei Gakuin University Sanda Hyogo 669-1337 Japan
| | - Hiroshi Kitagawa
- Division of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
- INAMORI Frontier Research Center Kyushu University Motooka 744, Nishi-ku Fukuoka 819-0395 Japan
- Institute for Integrated Cell-Material Sciences (iCeMS) Kyoto University, Yoshida, Sakyo-ku Kyoto 606-8501 Japan
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Affiliation(s)
- Ken‐ichi Otake
- Division of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Kazuya Otsubo
- Division of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
| | - Kunihisa Sugimoto
- Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
| | - Akihiko Fujiwara
- Department of Nanotechnology for Sustainable Energy Graduate School of Science and Technology Kwansei Gakuin University Sanda Hyogo 669-1337 Japan
| | - Hiroshi Kitagawa
- Division of Chemistry Graduate School of Science Kyoto University, Sakyo-ku Kyoto 606-8502 Japan
- INAMORI Frontier Research Center Kyushu University Motooka 744, Nishi-ku Fukuoka 819-0395 Japan
- Institute for Integrated Cell-Material Sciences (iCeMS) Kyoto University, Yoshida, Sakyo-ku Kyoto 606-8501 Japan
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17
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Yasuda H, Inoue M, Uchida K, Otake K, Koike Y, Fujikawa H, Miki C, Kusunoki M. Wandering spleen causing intestinal obstruction after repair of congenital diaphragmatic hernia. Eur J Pediatr Surg 2010; 20:121-3. [PMID: 19548195 DOI: 10.1055/s-0029-1220708] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [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: 10/20/2022]
Affiliation(s)
- H Yasuda
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Tsu, Japan.
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18
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Uchida K, Inoue M, Matsubara T, Otake K, Koike Y, Okugawa Y, Kawamoto A, Miki C, Kusunoki M. Evaluation and treatment for spinal cord tethering in patients with anorectal malformations. Eur J Pediatr Surg 2007; 17:408-11. [PMID: 18072026 DOI: 10.1055/s-2007-989277] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [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: 10/22/2022]
Abstract
BACKGROUND It has recently been recognized that there is a close relationship between spinal cord tethering (SCT) and congenital anorectal malformation (ARM). PATIENTS AND METHODS We evaluated spinal MRI examinations of 28 patients with ARM (14 boys and 14 girls) aged 5 months to 9 years. All patients diagnosed with SCT subsequently underwent operation. Patients were divided into high and low type ARM groups. We reviewed the relationship between SCT and ARM, and evaluated the untethering surgery. RESULTS We evaluated 14 boys (high, 9; low, 5) and 14 girls (high, 4; low, 10). Of these 28 patients, 13 had SCT on MRI. Five out of 13 patients with high type ARM and 8 out of 15 patients with low type ARM had SCT. Seven out of 10 girls with low type ARM had SCT. Ten of these 13 patients with SCT experienced bowel/urological/orthopedic symptoms. SCT symptoms progressed prior to operation in the 2 patients who underwent untethering surgery a few years after their initial MRI examination. Postoperatively, orthopedic symptoms disappeared completely in all patients, but other symptoms did not. CONCLUSIONS Based on the results of this study, we recommend routine MRI examination of patients with ARM and early untethering surgery in cases with SCT.
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Affiliation(s)
- K Uchida
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Edobashi 2-174, Tsu, Mie, Japan.
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Suzuki T, Otake K, Sato M, Ikeda A, Aida M, Fujii Y, Hara M, Mitsugashira T, Ozawa M. Separation of americium and curium by use of tertiary pyridine resin in nitric acid/methanol mixed solvent system. J Radioanal Nucl Chem 2007. [DOI: 10.1007/s10967-007-0511-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [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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Inoue M, Miki C, Okita Y, Otake K, Yoshiyama S, Uchida K, Kusunoki M. Naturally acquired regulatory mechanism of perioperative cytokine response in neonates. Pediatr Surg Int 2007; 23:249-55. [PMID: 17091304 DOI: 10.1007/s00383-006-1824-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/02/2006] [Indexed: 11/28/2022]
Abstract
The inflammatory reaction is known to be controlled in neonates. We clarified the characteristics of cytokine profile in neonatal patients and assess its clinical significance. Serum levels of interleukin (IL)-6 and IL-1 receptor antagonist (ra) were determined in 152 pediatric patients and 33 each of maternal and cord bloods. Supernatant IL-1ra levels of cultured monocytes and granulocytes stimulated with IL-1beta or LPS, and IL-1ra mRNA expression of granulocytes were assayed in 15 each of cord and healthy adult bloods. Although surgical stress in neonates was heavier than that in infants, there was no difference in the occurrence of postoperative morbidity and mortality. In neonates, the perioperative serum level of IL-1ra was significantly raised, and the postoperative IL-6 response was well controlled. The serum concentration of IL-1ra in cord blood was not different from that in maternal blood, whereas, the serum concentration of IL-6 in cord blood was significantly reduced than that in maternal blood. In granulocytes, significantly more IL-1ra was produced from cord than from adult blood. An IL-1ra predominant immune status in neonates may be a naturally acquired adaptation system and play a crucial role in attenuating acute inflammatory reaction in a vulnerable host defense.
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Affiliation(s)
- M Inoue
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Edobashi 2-174, Tsu, Mie, 514-0064, Japan
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21
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Hirooka Y, Li C, Takagi J, Gotoh M, Habu S, Yasaka-Nomura T, Ishihara R, Nakasone Y, Nakamura R, Morikawa R, Otake K, Nogimori T, Ishizuki Y. Comparison of new different assay systems for thyrotropin receptor antibodies with reference to thyroid-stimulating antibodies and thyroid stimulation-blocking antibodies in Graves' disease. Int J Clin Pharmacol Res 2004; 24:111-6. [PMID: 15754915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The aim of our study was to evaluate the diagnostic sensitivity of the new thyrotropin receptor antibody (TRAb) assays (Cosmic TRAb CT, ELISA and Yamasa DYNOtest TRAb). TRAb was positive in 43 of 44 (97.7%) untreated patients with Graves' disease by both TRAb CT and/or ELISA and NYNOtest TRAb. Thus the new TRAb assays were clearly more sensitive than the conventional assay (positivity: 85%). There was a strong positive correlation between the data obtained in TRAb CT and/or ELISA and those obtained in DYNOtest TRAb (r = 0.942, p < 0.0001). There was a significant correlation between the new TRAb and TSAb (r = 0.696, p < 0.0001). Although there was a significant correlation between the new TRAb and thyroid stimulation-blocking antibody (TSBAb), the correlation coefficient was low (r = 0.605, p < 0.0001). The increased sensitivity of the new TRAb assays for Graves' disease provides an advantage over conventional assay.
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Affiliation(s)
- Y Hirooka
- Department of Laboratory Medicine, Aichi Medical University, Aichi, Aichi, Japan.
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22
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Otake K, Nakamura Y. Forebrain neurons with collateral projections to both the interstitial nucleus of the posterior limb of the anterior commissure and the nucleus of the solitary tract in the rat. Neuroscience 2003; 119:623-8. [PMID: 12809682 DOI: 10.1016/s0306-4522(03)00216-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The interstitial nucleus of the posterior limb of the anterior commissure (IPAC) receives inputs from several autonomic/limbic regions in the forebrain, including the agranular insular cortex, bed nucleus of the stria terminalis, the amygdaloid complex, and the lateral hypothalamic area. We sought to identify the distribution of afferent sources to the IPAC and to determine whether these IPAC projection fibers issue collaterals to the nucleus of the solitary tract (NTS), the principal relay of primary visceral afferents. Two fluorescent tracers, FluoroGold and FluoroRed, were centered stereotaxically on the IPAC and the NTS on chloral hydrate-anesthetized Sprague-Dawley rats. Although the majority of IPAC and NTS afferents were spatially segregated, small but substantial numbers of dually labeled neurons (three to four cells/section) were observed in the dorsal bank of the posterior agranular insular cortex, exclusively in layer V. Collateral projection neurons were also found in the posterior part of the lateral hypothalamic area (two to six cells/section). The branching projections identified here may represent a potential link between affective or motivated behavior and viscerosensory processing.
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Affiliation(s)
- K Otake
- Section of Neuroanatomy, Department of Systems Neuroscience, Division of Cognitive and Behavioral Medicine, Tokyo Medical and Dental University Graduate School, , Tokyo, 113-8519, Japan.
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Takagi J, Otake K, Nakao N, Takashashi M, Hirooka Y. Urinary excretion of aquaporin-2 and inappropriate secretion of vasopressin in hyponatremic patients after cerebral infarction. Horm Metab Res 2003; 35:62-6. [PMID: 12669273 DOI: 10.1055/s-2003-38393] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Aquaporin-2, a water-channel protein, is known to increase water permeability due to vasopressin binding to V2 receptors at the renal collecting duct and is excreted into the urine. It is still unclear whether a hyponatremic state is caused by vasopressin-dependent aquaporin-2 in patients clinically diagnosed with the syndrome of inappropriate secretion of antidiuretic hormone. To determine this, we measured urinary aquaporin-2 and vasopressin by radioimmunoassay in normonatremic or hyponatremic patients after cerebral infarction and in healthy controls. In the normonatremia group, urinary aquaporin-2 and plasma AVP levels were higher than in controls. In the hyponatremia group, plasma AVP was relatively high despite low plasma osmolality in each patient. However, urinary aquaporin-2 in hyponatremia was significantly increased when compared with the other two groups. In conclusion, AQP-2 increment does not directly reflect non-osmotic AVP secretion in a hyponatremic state. This result indicates that the urinary excretion of AQP-2 is not only AVP-dependent in hyponatremic states.
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Affiliation(s)
- J Takagi
- Department of Laboratory Medicine, Aichi Medical University, Aichi, Japan
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Abstract
BACKGROUND A study was undertaken in patients with undiagnosed sleep apnoea/hypopnoea syndrome (OSAS) to document the use of prescribed medications, especially those used in cardiovascular diseases, in the year before the OSAS diagnosis was confirmed. METHODS A total of 549 patients with OSAS (401 men of mean age 47.2 years, mean body mass index (BMI) 35.5 kg/m(2), mean apnoea/hypopnoea index (AHI) 47.2 and148 women of mean age 50.2 years, BMI 39.6 kg/m(2), AHI 32.6) were each matched to one general population control by age, sex, geographical location, and family physician. Medication use was evaluated for patients and controls using a database containing information about all prescriptions completed in the province of Manitoba, Canada. RESULTS In the year before OSAS was diagnosed, prescribed medication costs were $155.91 (Canadian dollars) (95% CI $91.34 to $220.49) greater for cases than for controls. Cases were dispensed 3.3 (95% CI 1.5 to 5.2) more prescriptions, were on 1.2 (95% CI 0.8 to 1.6) more medications, and were supplied with 157.4 (95% CI 95.9 to 218.8) more daily doses of medication. The odds ratio of OSAS cases being on a prescribed medication was 1.88 relative to controls (95% CI 1.38 to 2.54, p<0.0001). In the same year 36.6% of cases and 19.7% of controls were using medications for cardiovascular disease (OR 2.82, 95% CI 2.05 to 3.89, p<0.0001), consuming 79.4 (95% CI 48.9 to 109.8) more daily doses of medication, having been dispensed 1.7 (95% CI 1.0 to 2.4) more prescriptions, and at a $75.26 (95% CI $44.03 to $106.50) greater cost. The odds ratio of patients with OSAS being on medications indicated for the treatment of systemic hypertension was 2.71 (95% CI 1.96 to 3.77) relative to controls; however, such medications might also be prescribed for other indications such as angina pectoris and congestive heart failure, and for the secondary prevention of myocardial infarction. The use of medications indicated for the treatment of systemic hypertension was predicted significantly by age (odds ratio (OR) 1.10 per year), BMI (OR 1.05 per unit), and AHI (OR 1.01 per unit). CONCLUSIONS In the year before OSAS was diagnosed, patients with OSAS were heavy users of medications, particularly those used to treat cardiovascular diseases.
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Affiliation(s)
- K Otake
- Sleep Disorders Centre, Section of Respiratory Diseases, St Boniface General Hospital Research Centre, 351 Tache Avenue, Winnipeg, Manitoba R2H 2A6, Canada
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Abe S, Inoue S, Otake K, Sada M, Takeda H, Nakamura H. [Effects of 14-, 15-, and 16-membered ring macrolides on IL-8 gene expression in BET-1A cells]. Jpn J Antibiot 2001; 54 Suppl C:41-2. [PMID: 12627606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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Abstract
We examined the association of emotional intelligence and alexithymic characteristics as the personality trait in cohorts of 267 college students and 398 psychiatric outpatients. Score on the Toronto Alexithymia Scale were significantly correlated with those on the Emotional Intelligence Scale, suggesting that alexithymic characteristics are related to lower emotional intelligence. In conclusion, these data suggest that emotional intelligence overlaps with alexithymia.
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Fukunishi I, Wise TN, Sheridan M, Shimai S, Otake K, Utsuki N, Uchiyama K. Validity and reliability of the Japanese version of the Emotional Intelligence Scale among college students and psychiatric outpatients. Psychol Rep 2001; 89:625-32. [PMID: 11824728 DOI: 10.2466/pr0.2001.89.3.625] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We examined the validity and reliability of the Japanese version of the Emotional Intelligence Scale in two samples of 267 college students and 398 psychiatric outpatients. Suitable validity and reliability of this scale were suggested by high correlations with scores on the NEO Personality Inventory, adequate internal consistency, and relatively high test-retest correlations. The Emotional Intelligence Scale seems suitable for both clinically distressed populations as well as comparative groups such as college students.
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Hirooka Y, Gotoh M, Takagi J, Otake K, Mori Y, Habu S, Nogimori T. [Implication on thyroid function tests]. Rinsho Byori 2001; 49:1122-8. [PMID: 11769558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
We tried to investigate the present problems, concerning the reference individual and interval in thyroid function tests and find the solutions for them. We are now using healthy adults for the reference individual and interval. Recently, we found the sex-difference and age-related changes for reference individual and interval in free T3 measurement. We raised the questions on whether there are any sex-differences and/or age-related changes or not. Surprisingly, there were almost no detailed data about them especially in Japan. Therefore, we examined the Europe data, and found out some kind of sex-differences and age-related changes. We propose the following examinations using many Japanese population in order to provide a precise and proper reference individual and interval: 1. Whether there are any sex-difference in thyroid function tests? 2. Whether there are age-related change in thyroid function tests, for instance, simply dividing population into the immature, adult and the aged?
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Affiliation(s)
- Y Hirooka
- Department of Laboratory Medicine, Aichi Medical University School of Medicine, Aichi-gun, Aichi-pref. 480-1195
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29
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Nishi N, Nanto S, Shimai S, Matsushima Y, Otake K, Ando A, Yamasaki K, Soga S, Tatara K. Effects of hostility and lifestyle on coronary heart disease among middle-aged urban Japanese. J Epidemiol 2001; 11:243-8. [PMID: 11769941 DOI: 10.2188/jea.11.243] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To explore the association between multi-dimensional aspects of hostility and coronary heart disease among middle-aged urban Japanese. SUBJECTS AND METHODS We conducted a case-control study. Cases were consecutive patients with acute coronary syndrome admitted to a hospital in Japan. Fifty-three patients (45 men and 8 women) aged 35 to 65 were enrolled. For each case, two sex and age (+/-2 years) matched controls were recruited from among participants in a health check-up program at a health promotion center located in the same area as the hospital. Two questionnaires, both with four components, were used to measure hostility and coping with anger: the one was for anger, hostility, physical aggression and verbal aggression, and the other for aggression, social inhibition, guilt, and controlled affect. RESULTS The scores of all components from two questionnaires were higher for cases than controls, but the differences were not significant. Multivariate analysis showed that anger, fat intake, alcohol consumption and house size were significantly associated with the etiology of acute coronary syndrome. CONCLUSION Anger, lifestyle, and socioeconomic status play important roles for the etiology of coronary heart disease in middle-aged urban Japanese.
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Affiliation(s)
- N Nishi
- Takarazuka City Health Promotion Center, Takarazuka, Hyogo, Japan
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30
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Yamagiwa M, Kamauchi S, Okegawa T, Esaki M, Otake K, Amachi T, Komano T, Sakai H. Binding properties of Bacillus thuringiensis Cry4A toxin to the apical microvilli of larval midgut of Culex pipiens. Biosci Biotechnol Biochem 2001; 65:2419-27. [PMID: 11791714 DOI: 10.1271/bbb.65.2419] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cry4A is a dipteran-specific delta-endotoxin produced by Bacillus thuringiensis, and toxic to Culex pipiens (mosquito) larvae. The immunohistochemical staining of the midgut sections of C. pipiens larvae revealed that Cry4A bound in vitro and in vivo to the microvilli of the epithelial cells of posterior midgut and gastric caecae. The binding of digoxigenin-labeled Cry4A (DIG-Cry4A) to the apical microvilli was almost abolished in the presence of excess unlabeled Cry4A, suggesting that the binding of Cry4A to the microvilli was specific. Several Cry4A-specific binding proteins were detected using the ligand blotting technique with DIG-Cry4A. Moreover, an insertion assay was done, where the binding of DIG-Cry4A to the BBMVs was completely irreversible and did not compete with excess unlabeled Cry4A. On the basis of these results, we propose a schematic interpretation for the binding process of Cry4A.
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Affiliation(s)
- M Yamagiwa
- Department of Bioscience and Biotechnology, Okayama University, Japan
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31
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Shibata Y, Zsengeller Z, Otake K, Palaniyar N, Trapnell BC. Alveolar macrophage deficiency in osteopetrotic mice deficient in macrophage colony-stimulating factor is spontaneously corrected with age and associated with matrix metalloproteinase expression and emphysema. Blood 2001; 98:2845-52. [PMID: 11675359 DOI: 10.1182/blood.v98.9.2845] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Macrophage colony-stimulating factor (M-CSF) is one of several hematologic growth factors capable of regulating the survival, proliferation, and differentiation of macrophages, but its role in modulation of the accumulation and function of alveolar macrophages (AMs) in vivo is not well defined. Osteopetrotic (Op/Op) mice have no detectable M-CSF and show variable tissue-specific reductions in macrophage numbers. It was hypothesized that AMs would be decreased in number and have altered function in Op/Op mice because of the absence of M-CSF. Lung macrophages identified by Mac-3 staining in lung sections were decreased in number in 20-day-old Op/Op mice (P <.001) but not Op/Op mice older than 4 months (P =.68) compared with findings in age-matched littermate controls. The numbers of AMs recovered by bronchoalveolar lavage (BAL) were also reduced in young but not adult Op/Op mice compared with controls. Expression of interleukin-3 (IL-3) was increased in the lungs of Op/Op mice compared with controls as determined by quantification of IL-3 cytokine levels (P =.04), bioactivity (P =.02), and messenger RNA transcript levels. AMs of Op/Op mice spontaneously released higher levels of matrix metalloproteinases (MMPs) than AMs of controls as determined by immunohistochemical staining of AMs and zymographic assessment of BAL fluid and AM lysates. Consistent with an increased release of MMP, Op/Op mice had abnormal elastin deposition and spontaneously developed emphysema in the absence of molecular or cellular evidence of lung inflammation. These data show that the AM deficiency observed in young Op/Op mice is spontaneously corrected with age and is associated with increased lung levels of IL-3, spontaneous MMP expression by AMs, and destruction of lung tissue.
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Affiliation(s)
- Y Shibata
- Division of Pulmonary Biology, Children's Hospital Medical Center, Cincinnati, OH 45229, USA
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Banno K, Shiomi T, Sasanabe R, Hasegawa R, Otake K, Yamakawa H, Kobayashi T, Horiba K, Nishino S. Narcolepsy and other non-SAS hypersomnia in sleep breathing disorders clinic. Psychiatry Clin Neurosci 2001; 55:203-4. [PMID: 11422842 DOI: 10.1046/j.1440-1819.2001.00826.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Four of the 708 snorers (0.56%), referred to our sleep breathing disorders clinic for the past 2 years were diagnosed as having narcolepsy-cataplexy. Detecting HLA DRB1*1501/DQB1*0602 positive was informative for differentiating genuine narcolepsy from non-sleep apnea syndrome (non-SAS) hypersomnia in our clinic. A non-SAS obese boy, diagnosed as having essential hypersomnia syndrome, was found to be HLA DRB1*1502/DQB1*0601 positive. His hypocretin concentration was 206 pg/mL in the cerebrospinal fluid.
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Affiliation(s)
- K Banno
- The Third Department of Internal Medicine, Sleep Disorders Center, Aichi Medical University School of Medicine, Aichi, Japan.
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Kato I, Shiomi T, Sasanabe R, Hasegawa R, Otake K, Banno K, Yamakawa H, Mizutani N, Kobayashi T. Effects of physiological cardiac pacing on sleep-disordered breathing in patients with chronic bradydysrhythmias. Psychiatry Clin Neurosci 2001; 55:257-8. [PMID: 11422865 DOI: 10.1046/j.1440-1819.2001.00849.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In six patients with chronic bradydysrhythmias, polysomnographies were performed before cardiac pacemaker implantation and over the week following implantation. A patient with third-degree atrioventricular block (AVB) and two patients with sinus node dysfunction (SND) were associated with sleep-disordered breathing (SDB). Their cardiac pacemaker therapies, with the increase in the average heart rate, led to a reduction of apnea-hypopnea index and/or an improvement of Cheyne-Stokes breathing. It seems that chronic bradydysrhythmia is one of the causative factors leading to SDB.
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Affiliation(s)
- I Kato
- The Third Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
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Wakabayashi Y, Komori H, Kawa-Uchi T, Mochida K, Takahashi M, Qi M, Otake K, Shinomiya K. Functional recovery and regeneration of descending tracts in rats after spinal cord transection in infancy. Spine (Phila Pa 1976) 2001; 26:1215-22. [PMID: 11389386 DOI: 10.1097/00007632-200106010-00009] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN The functional recovery of rats that underwent spinal cord transection in infancy was evaluated by multimodal examination (functional tests, electrophysiologic evaluation, tract-tracing) to determine the basis for the recovery. OBJECTIVES To determine whether the hind limb function in rats that underwent spinal cord transection in infancy is regained completely, which descending tracts regenerate after the transection, and whether the functional recovery is correlated with axonal reconnection. SUMMARY OF BACKGROUND DATA It is widely accepted that a newborn rat recovers its hind limb function after spinal cord transection even without any specific treatments. This functional recovery might be attributed to possible regeneration of some descending pathways, although there is a counterargument that well-trained spinal cord reflexes may bring about functional compensation. METHODS The thoracic spinal cord of infant rats was completely transected at Th10 when they were 2 weeks of age. Multimodal functional tests and electrophysiologic studies were performed 5 weeks later. Some recovered rats (i.e., those able to walk after the transection) underwent spinal cord retransection, with subsequent reevaluation of locomotion and muscle-evoked potentials. At 6 weeks after the initial transection, tract-tracing studies were performed in some animals. RESULTS A motor performance score detected the functional differences between the control and the recovered rats. Muscle-evoked potentials of hind limbs after electrical stimulation to the brain were recorded in some of the recovered rats, but never in the unrecovered rats. Moreover, the muscle-evoked potentials of the recovered rats disappeared after spinal cord retransection that resulted in loss of voluntary movement. Morphologic studies in two rats provided evidence that reconnection of rubrospinal, vestibulospinal, and reticulospinal tracts had occurred, whereas corticospinal regeneration was not detected. CONCLUSIONS It can be concluded that the hind limb function of rats that underwent spinal cord transection in infancy was partially regained; that axonal regeneration of the rubrospinal, vestibulospinal, or reticulospinal tracts was demonstrated, whereas the reconnection of the corticospinal tract was not observed; and that the axonal regeneration of these tracts is involved in the functional recovery.
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Affiliation(s)
- Y Wakabayashi
- Department of Frontier Surgical Therapeutics, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan
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Hatama S, Otake K, Ohta M, Kobayashi M, Imakawa K, Ikemoto A, Okuyama H, Mochizuki M, Miyazawa T, Tohya Y, Fujii Y, Takahashi E. Reactivation of feline foamy virus from a chronically infected feline renal cell line by trichostatin A. Virology 2001; 283:315-23. [PMID: 11336556 DOI: 10.1006/viro.2000.0861] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Although acute infection of feline foamy virus (FeFV) is normally highly cytopathogenic in Crandell feline kidney (CRFK) cells, a noncytopathic persistent infection was established in the cells after cocultivation of the initially infected cells with uninfected cells four times. To investigate reactivation of persistent infection, CRFK cells chronically infected with FeFV were treated with trichostatin A (TA), a histone deacetylase inhibitor. TA induced higher FeFV production from the Coleman strain carrier culture and also induced marked syncytium formation. In contrast, human foamy virus, which contains less homologous long terminal repeat (LTR) and putative internal promoter (IP) sequences, persistently infecting baby hamster kidney cells was not reactivated by TA. The Sammy-1 strain of FeFV, from which a part of the U3 region in the LTR is naturally deleted, showed less reactivation. The Coleman LTR promoter-based beta-Gal-expressing plasmid was activated in the persistently Coleman-infected cells in the presence of TA, whereas the Sammy-1 LTR was not activated. Furthermore, the amounts of Gag protein expressed did not change in the presence or absence of TA. Because the putative IP region was very similar between the two strains, the initiation by TA is relatively specific for LTR sequences, and, therefore, histone deacetylation is at least in part responsible for reactivation of FeFV from carrier cell culture.
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Affiliation(s)
- S Hatama
- Department of Veterinary Microbiology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
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Hirooka Y, Tagaki J, Ikai R, Kawai H, Nakamura R, Nakayashiki A, Habu S, Otake K, Mori Y, Gotoh M, Nogimori T. Radioimmunoassay for somatostatin receptor type 2. Endocr Regul 2001; 35:31-4. [PMID: 11308994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
OBJECTIVE To develop radioimmunoassay for somatostatin receptor type 2 (SSTR2) and search for its presence in certain rat tissues. METHODS Anti-SSTR2 antiserum has been raised in New Zealand white rabbits immunized with a conjugate of synthetic SSTR2 with bovine serum albumin. Radioiodination of SSTR2 was performed by chloramin T method followed by purification of radioiodinated material on Sephadex G-25 column. RESULTS The obtained antibody did not crossreact with SSTR1, SSTR3, SSTR4, SSTR5, hypothalamic hormones, pituitary hormones, neuropeptides or gut hormones. The assay was performed with a double antibody system. SSTR2 was extracted from the tissues with acid acetone. The dilution curve of acid acetone-extracts of rat hypothalamus in the radioimmunoassay system was parallel to the standard curve. The recovery of tissue SSTR2 was about 89 %, and the intra-assay and inter-assay variations were 4.9 % and 7.8 %, respectively. SSTR2 was found in the hypothalamus, cerebrum, cerebellum, pituitary, stomach and testis. CONCLUSIONS These data suggest that this assay system is suitable for the estimation of SSTR2 in the tissues.
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Affiliation(s)
- Y Hirooka
- Department of Laboratory Medicine, Aichi Medical University School of Medicine, Nagakute, Aichi, Aichi, 480-1195 Japan.
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Abstract
The term rapidly adapting pulmonary stretch receptor (RAR) refers to one of the major pulmonary sensory receptors that responds to inflation and deflation of the lungs as well as to irritant stimuli with rapidly adapting irregular discharges. The functional role and central pathways are largely unknown. The aim of this study was to elucidate morphological characteristics of second-order neurons (RAR cells) activated by vagal afferent fibers originating from RARs. A mixture of horseradish peroxidase (HRP) and Neurobiotin was injected intracellularly into physiologically identified RAR cells in Nembutal-anesthetized, immobilized, and artificially ventilated Wister rats. Direct visualization of individual RAR cells (n = 12), including their somata, dendritic arborizations, and fine axonal branches with terminal boutons, was possible for the first time. Their somata were located in the commissural or medial subdivision of the nucleus of the solitary tract, caudal to the level of the area postrema. The RAR cells had, in addition to dendrites extending into the NTS area, one or two long dendrites extending laterally and/or ventrolaterally into the medullary reticular formation. The stem axons issuing from the RAR cells first coursed ventrolaterally toward the reticular formation in the vicinity of the ambiguus nucleus and then bifurcated into ascending and descending axons: three RAR cells possessed only ascending axons. Some of the ascending axons could be traced as far as the level of the facial nucleus and some of the descending axons beyond the spinomedullary junction. These ascending and/or descending axons gave off extensive axon collaterals distributing boutons within and in the vicinity of the ambiguus nucleus. These results, showing an anatomical substrate for the network implicated in RAR-evoked reflexes, provide useful clues for study of the RAR system.
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Affiliation(s)
- K Otake
- Section of Neuroanatomy, Department of Systems Neuroscience, Division of Cognitive and Behavioral Medicine, Tokyo Medical and Dental University Graduate School, Tokyo 113-8510, Japan.
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Nakamura Y, Okuno S, Kitani T, Otake K, Sato F, Fujisawa H. Immunohistochemical localization of Ca(2+)/calmodulin-dependent protein kinase kinase beta in the rat central nervous system. Neurosci Res 2001; 39:175-88. [PMID: 11223463 DOI: 10.1016/s0168-0102(00)00209-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We examined regional and intracellular distribution of Ca(2+)/calmodulin-dependent protein kinase kinase beta (CaM-KK beta), which activated Ca(2+)/calmodulin-dependent protein kinase I and IV (CaM-K I and IV) immunohistochemically in the central nervous system of the rat by light and electron microscopy. Although most neurons in the brain and spinal cord exhibited the immunoreactivity, no labeled neurons were observed in the globus pallidus or entopeduncular nucleus, and only a small number of neurons showed weak immunoreactivity in the substantia nigra pars reticulata. In general, the immunoreactivity was observed both in the cytoplasm and cellular nucleus, although the immunoreactivity was not found in the cellular nucleus in some large neurons such as in the mesencephalic trigeminal nucleus, lateral vestibular nucleus or gigant cellular reticular formation. As to motoneurons of the cranial nerve nuclei and the anterior horn of the spinal cord, they revealed the immunoreactivity both in the cytoplasm and nucleus. The reaction product appeared as fine granules in the cytoplasm and nucleus under light microscopy. Electron microscopic observations confirmed that the reaction product was localized mainly on the Golgi apparatus or on the nuclear chromatin. Immunolabeling for antibody against CaM-KK beta was discussed with the distribution of CaM-K I, IV and another CaM-KK, CaM-KK alpha, in the central nervous system.
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Affiliation(s)
- Y Nakamura
- Section of Neuroanatomy, Graduate School of Medical and Dental Research, Tokyo Medical and Dental University, Yushima, Bunkyo-ku, 113-8519, Tokyo, Japan.
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Otake K, Suwabe A, Tominaga M. [The examinations for diffuse lung diseases]. Rinsho Byori 2000; 48:1112-7. [PMID: 11215419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
Diffuse lung diseases show an abnormal shadow that is widely scattered on the bilateral lung fields in the chest X ray view and includes many respiratory diseases such as the infectious or the non-infectious disease; neoplasms. Among these, idiopathic pulmonary fibrosis(IPF) has been studied extensively because of its high frequency and difficulty of treatment. IPF is defined by the respiratory functions, the radiological findings, which depend on HRCT, and the histopathological evaluation by surgical lung biopsy. In particular, the histopathological appearance of usual interstitial pneumonia(UIP) is essential for the diagnosis of IPF. Most serum examinations such as angiotensin-converting enzyme, anti-nuclear antibodies are applied to rule out other diffuse lung diseases. SP-D or KL-6, which is the marker of the type II epithelial cells, is thought to be very useful for revealing the disease activity, but since it is not increased in the early stages of IPF, it is not applied in the diagnosis of IPF. The definitive serum examinations for the diagnosis or determinations of the therapeutic effect or prognosis of IPF have not been established. Easier, more useful and critical examinations including genetic diagnosis are required to manage patients with IPF.
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Affiliation(s)
- K Otake
- The Department of Laboratory Medicine, Yamagata University School of Medicine, Yamagata 990-9585
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Zsengellér Z, Otake K, Hossain SA, Berclaz PY, Trapnell BC. Internalization of adenovirus by alveolar macrophages initiates early proinflammatory signaling during acute respiratory tract infection. J Virol 2000; 74:9655-67. [PMID: 11000238 PMCID: PMC112398 DOI: 10.1128/jvi.74.20.9655-9667.2000] [Citation(s) in RCA: 130] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Adenovirus is a common respiratory pathogen which causes a broad range of distinct clinical syndromes and has recently received attention for its potential for in vivo gene delivery. Although adenovirus respiratory tract infection (ARTI) results in dose-dependent, local inflammation, the pathogenesis of this remains unclear. We hypothesized that alveolar macrophages (AMphi) rapidly internalize adenovirus following in vivo pulmonary administration and then initiate inflammatory signaling within the lung. To evaluate the role of AMphi in the induction of lung inflammation during ARTI in vivo, we directly assessed adenovirus uptake by murine AMphi and correlated uptake with the initiation of proinflammatory gene expression. Stimulation of cytokine (tumor necrosis factor alpha [TNF-alpha], interleukin-6 [IL-6], macrophage inflammatory protein-2 [MIP-2], and MIP-1alpha) expression in the lung was evaluated at the level of mRNA (by reverse transcription-PCR [RT-PCR]) and protein (by enzyme-linked immunosorbent assay) and by identification of cells expressing TNF-alpha and IL-6 mRNA in lung tissues (by in situ hybridization) and isolated lung lavage cells (by RT-PCR). Adenovirus, labeled with the fluorescent dye (Cy3), was rapidly and widely distributed on epithelial surfaces of airways and alveoli and was very rapidly ( approximately 1 min) localized within AMphi. At 30 min after infection AMphi but not airway epithelial or vascular endothelial cells expressed mRNA for TNF-alpha and IL-6, thus identifying AMphi as the cell source of initial cytokine signaling. IL-6, TNF-alpha, MIP-2, and MIP-1alpha levels progressively increased in bronchoalveolar lavage fluid after pulmonary adenovirus infection, and all were significantly elevated at 6 h (P < 0.05). To begin to define the molecular mechanism(s) by which adenovirus initiates the inflammatory signaling in macrophages, TNF-alpha expression from adenovirus-infected RAW264.7 macrophages was evaluated in vitro. TNF-alpha expression was readily detected in adenovirus-infected RAW cell supernatant with kinetics similar to AMphi during in vivo infection. Blockage of virus uptake at specific cellular sites, including internalization (by wortmannin), endosome acidification and/or lysis (by chloroquine) or by Ca(2+) chelation (by BAPTA) completely blocked TNF-alpha expression. In conclusion, results showed that during ARTI, (i) AMphi rapidly internalized adenovirus, (ii) expression of inflammatory mediators was initiated within AMphi and not airway epithelial or other cells, and (iii) the initiation of inflammatory signaling was linked to virion uptake by macrophages occurring at a point after vesicle acidification. These results have implications for our understanding of the role of the AMphi in the initiation of inflammation following adenovirus infection and adenovirus-mediated gene transfer to the lung.
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Affiliation(s)
- Z Zsengellér
- Division of Pulmonary Biology, Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
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Shiomi T, Guilleminault C, Sasanabe R, Oki Y, Hasegawa R, Otake K, Banno K, Usui K, Maekawa M, Kanayama H, Takahashi R, Kobayashi T. Primary pulmonary hypertension with central sleep apnea: sudden death after bilevel positive airway pressure therapy. Jpn Circ J 2000; 64:723-6. [PMID: 10981861 DOI: 10.1253/jcj.64.723] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
An obese 23-year-old man with sleep-disordered breathing and primary pulmonary hypertension (PPH) had been administered oral beraprost sodium, anticoagulant warfarin, and home oxygen therapy, at another hospital as treatment for the PPH, but he had not experienced any symptomatic improvement. The patient had a body mass index of 32.4kg/m2, and complained of fatigue, shortness of breath on exertion, excessive daytime sleepiness, and snoring. Arterial blood gas analysis showed a PaO2 and a PaCO2 of 70.9 and 31.2mmHg, respectively. A polysomnographic study revealed central sleep apnea with an apnea-hypopnea index (AHI) of 29.7episodes/h. The patient showed improvement of daytime sleepiness after starting nocturnal nasal bilevel positive airway pressure (BiPAP) therapy for the central sleep apnea, but his pulmonary hypertension, measured in the daytime, worsened. The patient died suddenly while walking to the bathroom in the morning 1 month after initiation of BiPAP therapy. It is necessary to consider the possibility of sudden death when nasal BiPAP therapy is given to a PPH patient with central sleep apnea.
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Affiliation(s)
- T Shiomi
- The Third Department of Internal Medicine, Aichi Medical University School of Medicine, Japan
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Abstract
The nucleus accumbens (Acb), a major sector of the ventral striatum, is considered to be an integral part of the striatal complex. The Acb has been shown to be composed of two subdivisions, core and shell, which are distinguishable in several aspects, suggesting that these two subdivisions play different functional roles. The aim of this study was to identify pathways of the efferents of the shell of the Acb to influence the outflow of the core of the Acb. Potential disynaptic projections of the shell to the core of the Acb were investigated in chloral hydrate-anesthetized male Sprague-Dawley rats. Following ipsilateral injections of biotinylated dextran amine (BDA) into the shell of the Acb and cholera toxin B subunit (CT-B) into the core, strong overlapping distributions of BDA-labeled terminals and CT-B-labeled neuronal cell somata were found in the medial part of the ventral tegmental area, medial part of the lateral hypothalamic area, and dorsolateral part of the basolateral amygdaloid nucleus. The significance of multiple sites of relay between the efferents of the shell and the afferents of the core of the Acb at different levels of the neuraxis may be related to the functional specificity of each relay site.
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Affiliation(s)
- K Otake
- Section of Neuroanatomy, Department of Systems Neuroscience, Tokyo Medical and Dental University Graduate School, Yushima 1-5-45, Bunkyo-ku, 113-8519, Tokyo, Japan.
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Affiliation(s)
- K Otake
- Department of Bacteriology, Nagoya University School of Medicine, Japan
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Hasegawa R, Shiomi T, Sasanabe R, Otake K, Banno K, Oki Y, Maekawa M, Kobayashi T, Ito A, Taniguchi A, Ozeki K. Sleep apnea syndrome in patients with pulmonary thromboembolism. Psychiatry Clin Neurosci 2000; 54:342-3. [PMID: 11186105 DOI: 10.1046/j.1440-1819.2000.00706.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Seven patients (one man and six women) with a diagnosis of pulmonary thromboembolism (PTE) were examined by polysomnography in order to clarify the relationship between sleep-related breathing disorders and PTE. In the chronic stage of PTE, sleep apnea syndrome (SAS) was recognized in two patients (a man and a woman) among the subjects. Four of the five patients without SAS showed nocturnal hypoxemia. The female predominance was different from ordinary SAS without the disease background of PTE even though PTE is accompanied by hypoxemia and pulmonary hypertension like SAS. A pathophysiological relationship between PTE and SAS was not found in this study.
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Affiliation(s)
- R Hasegawa
- Third Department of Internal Medicine, Aichi Medical University, Japan
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Nakamura Y, Kitani T, Okuno S, Otake K, Sato F, Fujisawa H. Immunohistochemical study of the distribution of Ca(2+)/calmodulin-dependent protein kinase phosphatase in the rat central nervous system. Brain Res Mol Brain Res 2000; 77:76-94. [PMID: 10814834 DOI: 10.1016/s0169-328x(00)00044-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Distribution of Ca(2+)/calmodulin-dependent protein kinase phosphatase (CaM-K Pase) which dephosphorylate multifunctional Ca(2+)/calmodulin-dependent protein kinases (CaM-kinases) in the rat brain and spinal cord were examined immunohistochemically by using an antibody against this enzyme. CaM-K Pase was localized only in the cytoplasm as has been investigated in PC 12 cells, and was never observed in the nucleus. Immunostainability varied from cell group to cell group. Mitral cells in the olfactory bulb, pyramidal neurons in the fifth layer of the cerebral cortex, hippocampal and striatal interneurons, dorsal and ventral pallidal, entopeduncular, and the reticular part of the substantia nigra neurons were intensely immunolabeled. Motoneurons in all the cranial nerve nuclei and the anterior horn of the spinal cord also revealed intense immunolabeling. On the contrary, pyramidal neurons in the Ammon's horn of the hippocampal formation, granule cells in the olfactory bulb, dentate gyrus and cerebellar cortex, Purkinje cells, neurons in the medial habenular nucleus and the inferior olivary nucleus have not shown immunoreactivity. Axons in the white matter or nerve root of the cranial nerve nuclei were immunolabeled. Glial cells in the white matter also showed immunostaining. Because the substrate of CaM-K Pase is multifunctional CaM-kinase II, I and IV, localization of each CaM-kinase was compared with that of CaM-K Pase. The distribution of CaM-K Pase and these CaM-kinases was found to overlap in various regions in the brain and spinal cord. It was concluded, therefore, that CaM-K Pase could regulate the activity of these CaM-kinases by dephosphorylation, when they existed together in neurons.
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Affiliation(s)
- Y Nakamura
- Section of Neuroanatomy, Graduate School of Medical and Dental Research, Tokyo Medical and Dental University, Tokyo, Japan.
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Otake K, Nakamura Y. Sites of action of thyrotropin-releasing hormone on central nervous system neurons revealed by expression of the immediate-early gene c-fos in the rat. Neuroscience 2000; 95:1167-77. [PMID: 10682723 DOI: 10.1016/s0306-4522(99)00519-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Centrally administered thyrotropin-releasing hormone produces a number of physiological and behavioral changes, e.g., a general antidepressant effect, increasing body temperature, and elevated blood pressure. However, the specific brain sites of action responsible for the centrally activating property of thyrotropin-releasing hormone have not been precisely determined. Using chloral hydrate-anesthetized adult Sprague-Dawley rats, we compared the distribution of Fos-like immunoreactivity after intracerebroventricular administration of thyrotropin-releasing hormone with the results after intracerebroventricular injection of vehicle alone. Some rats were paralysed and artificially ventilated to avoid possible Fos expression secondarily induced by autonomic (e.g., respiratory) disturbances. In thyrotropin-releasing hormone administered rats, selective Fos-like immunoreactivity was observed in V/VI layers of the pre- and infralimbic areas of the medial prefrontal cortex, the ventral midline thalamus, and the nucleus of the solitary tract as well as in the adjacent reticular formation. Fos-like immunoreactivity was significantly reduced in most areas of the cerebral cortex (II/III layers), the shell of the nucleus accumbens, the medial amygdaloid nucleus, parts of the hypothalamus, and the periaqueductal gray. These data suggest that various behavioral and autonomic responses induced by centrally administered thyrotropin-releasing hormone might be produced through the complex neural circuitry comprising the above structures, which are presumed to be implicated in limbic and/or autonomic functions.
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Affiliation(s)
- K Otake
- Department of Systems Neuroscience, Tokyo Medical and Dental University Graduate School, Japan
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48
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Otake K. Axonal projections of pulmonary rapidly adapting receptor relay neurons in the rat. Neurosci Res 2000. [DOI: 10.1016/s0168-0102(00)80968-2] [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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Harrod KS, Trapnell BC, Otake K, Korfhagen TR, Whitsett JA. SP-A enhances viral clearance and inhibits inflammation after pulmonary adenoviral infection. Am J Physiol 1999; 277:L580-8. [PMID: 10484466 DOI: 10.1152/ajplung.1999.277.3.l580] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Surfactant protein A (SP-A) is a member of the collectin family of host defense molecules expressed primarily in the epithelial cells of the lung. To determine the role of SP-A in pulmonary adenoviral infection, SP-A-deficient (SP-A -/-) mice were intratracheally infected with a replication-deficient recombinant adenovirus, Av1Luc1. Lung inflammation was markedly increased in SP-A -/- compared with SP-A +/+ mice and was associated with increased hemorrhage and epithelial cell injury. Polymorphonuclear cells in bronchoalveolar lavage fluid (BALF) were increased in SP-A -/- mice after administration of adenovirus. Coadministration of adenovirus and purified human SP-A ameliorated adenoviral-induced lung inflammation in SP-A -/- mice. Concentrations of tumor necrosis factor-alpha (TNF-alpha), interleukin (IL)-6, and IL-1beta were increased in BALF of SP-A -/- mice. Likewise, TNF-alpha, IL-6, macrophage inflammatory protein (MIP)-1alpha, monocyte chemotactic protein-1, and MIP-2 mRNAs were increased in lung homogenates from SP-A -/- mice 6 and 24 h after viral administration. Clearance of adenoviral DNA from the lung and uptake of fluorescent-labeled adenovirus by alveolar macrophages were decreased in SP-A -/- mice. SP-A enhances viral clearance and inhibits lung inflammation during pulmonary adenoviral infection, providing support for the importance of SP-A in antiviral host defense.
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Affiliation(s)
- K S Harrod
- Children's Hospital Medical Center, Division of Neonatology and Pulmonary Biology, Cincinnati, Ohio 45229, USA
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Yamagiwa M, Esaki M, Otake K, Inagaki M, Komano T, Amachi T, Sakai H. Activation process of dipteran-specific insecticidal protein produced by Bacillus thuringiensis subsp. israelensis. Appl Environ Microbiol 1999; 65:3464-9. [PMID: 10427035 PMCID: PMC91520 DOI: 10.1128/aem.65.8.3464-3469.1999] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Dipteran-specific insecticidal protein Cry4A is produced as a protoxin of 130 kDa in Bacillus thuringiensis subsp. israelensis. Here we performed the in vitro processing of Cry4A and showed that the 130-kDa protoxin of Cry4A was processed into the two protease-resistant fragments of 20 and 45 kDa through the intramolecular cleavage of a 60-kDa intermediate. The processing into these two fragments was also observed in vivo. To investigate functional properties of the two fragments, GST (glutathione S-transferase) fusion proteins of the 60-kDa intermediate and the 20- and 45-kDa fragments were constructed. Neither the GST-20-kDa fusion protein (GST-20) nor the GST-45-kDa fusion protein (GST-45) was actively toxic against mosquito larvae of Culex pipiens, whereas the GST-60-kDa intermediate fusion protein (GST-60) exhibited significant toxicity. However, when the two fusion proteins GST-20 and GST-45 coexisted, significant toxicity was observed. The coprecipitation experiment demonstrated that the two fragments associated with each other. Therefore, it is strongly suggested that the two fragments formed an active complex of apparently 60 kDa. A mutant of the 60-kDa protein which was apparently resistant to the intramolecular cleavage with the midgut extract of C. pipiens larvae had toxicity slightly lower than that of GST-60.
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Affiliation(s)
- M Yamagiwa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
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