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Weiss MA, Herbst A, Schlegel J, Dannegger T, Evers M, Donges A, Nakajima M, Leitenstorfer A, Goennenwein STB, Nowak U, Kurihara T. Discovery of ultrafast spontaneous spin switching in an antiferromagnet by femtosecond noise correlation spectroscopy. Nat Commun 2023; 14:7651. [PMID: 38030606 PMCID: PMC10687256 DOI: 10.1038/s41467-023-43318-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
Owing to their high magnon frequencies, antiferromagnets are key materials for future high-speed spintronics. Picosecond switching of antiferromagnetic spin systems has been viewed a milestone for decades and pursued only by using ultrafast external perturbations. Here, we show that picosecond spin switching occurs spontaneously due to thermal fluctuations in the antiferromagnetic orthoferrite Sm0.7Er0.3FeO3. By analysing the correlation between the pulse-to-pulse polarisation fluctuations of two femtosecond optical probes, we extract the autocorrelation of incoherent magnon fluctuations. We observe a strong enhancement of the magnon fluctuation amplitude and the coherence time around the critical temperature of the spin reorientation transition. The spectrum shows two distinct features, one corresponding to the quasi-ferromagnetic mode and another one which has not been previously reported in pump-probe experiments. Comparison to a stochastic spin dynamics simulation reveals this new mode as smoking gun of ultrafast spontaneous spin switching within the double-well anisotropy potential.
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Affiliation(s)
- M A Weiss
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - A Herbst
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - J Schlegel
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - T Dannegger
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - M Evers
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - A Donges
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - M Nakajima
- Institute of Laser Engineering, Osaka University, 565-0871, Osaka, Japan
| | - A Leitenstorfer
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - S T B Goennenwein
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - U Nowak
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany
| | - T Kurihara
- Department of Physics, University of Konstanz, D-78457, Konstanz, Germany.
- The Institute for Solid State Physics, The University of Tokyo, 277-8581, Kashiwa, Japan.
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Harada H, Suefuji H, Mori K, Ishikawa H, Nakamura M, Tokumaru S, Murakami M, Ogino T, Iwata H, Tatebe H, Kubo N, Waki T, Yoshida D, Nakamura M, Aoyama H, Araya M, Nakajima M, Nakayama H, Satouchi M, Shioyama Y. Proton and Carbon Ion Radiotherapy for Operable Early-Stage Lung Cancer: 3-Year Results of a Prospective Nationwide Registry. Int J Radiat Oncol Biol Phys 2023; 117:e23. [PMID: 37784924 DOI: 10.1016/j.ijrobp.2023.06.698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The purpose of this analysis was to report subset analysis as to progression-free survival (PFS) and overall survival (OS) of particle-beam radiation therapy for operable early-stage lung cancer. MATERIALS/METHODS Patients of early-stage lung cancer (T1-T2aN0) who were eligible for radical surgery but did not wish to undergo surgery were treated by proton-ion (PT) or carbon-ion (CT) radiation therapy and enrolled in Japanese prospective registry. In this analysis, PFS and OS by clinical stage, tumor location, pathological confirmation and particle-ion type were evaluated. RESULTS A total of 274 patients were enrolled and included in efficacy and safety analyses. Most tumors were adenocarcinoma (44%), and 105 (38%) were not histologically confirmed and diagnosed clinically. 250 (91%) of 274 patients had tumors that were peripherally situated. 138 (50%) and 136 (50%) patients were treated by PT and CT, respectively. The median follow-up time for all censored patients was 42.8 months (IQR 36.7 - 49.0). No grade 3 or severe treatment-related toxicity was observed. 3-year PFS was 81% (95% CI;76-86) and OS was 93% (95% CI;89-96), respectively. As to particle-ion type, 3-year PFS were 79.0% and 81.9% in PT and CT (p = 0.19), and 3-year OS were 93.9% and 91.1% in PT and CT (P = 0.72), respectively. For PFS, pathological confirmation, clinical stage was significant factors but there were no significant differences by tumor location or particle-ion type; for OS, clinical stage was significant factor but there was no significant difference on pathological confirmation, tumor location or particle-ion type (Table1). Table 1. 3-year PFS and OS CONCLUSION: Particle therapy for operable early-stage lung cancer resulted in excellent 3-year OS and PFS on each subset.
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Affiliation(s)
- H Harada
- Radiation and Proton Therapy Center, Shizuoka Cancer Center, Shizuoka, Japan
| | - H Suefuji
- Ion Beam Therapy Center, SAGA HIMAT Foundation, Tosu, Japan
| | - K Mori
- Shizuoka Cancer Center, Nagaizumi, Japan
| | - H Ishikawa
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - M Nakamura
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan
| | - S Tokumaru
- Department of Radiology, Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - M Murakami
- Department of Radiation Oncology, Southern TOHOKU Proton Therapy Center, Koriyama, Japan
| | - T Ogino
- Medipolis Proton Therapy and Research Center, Ibusuki, Japan
| | - H Iwata
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - H Tatebe
- Fukui Prefectural Hospital Proton Therapy Center, Fukui, Japan
| | - N Kubo
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - T Waki
- Tsuyama Chuo Hospital, Tsuyama, Japan
| | - D Yoshida
- Kanagawa Cancer Center, Yokohama, Japan
| | - M Nakamura
- University of Tsukuba, Tsukuba City 305-8575, Japan
| | - H Aoyama
- Department of Radiation oncology, Faculty and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - M Araya
- Proton Therapy Center, Aizawa Hospital, Matsumoto, Japan
| | - M Nakajima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - H Nakayama
- Kanagawa Prefectural Hospital Organization, Yokohama, Japan
| | | | - Y Shioyama
- Ion Beam Therapy Center, SAGA HIMAT Foundation, Tosu, Japan
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Wakatsuki M, Makishima H, Mori Y, Kaneko T, Yasuda S, Okada N, Nakajima M, Murata K, Okonogi N, Aoki S, Ishikawa H, Yamada S. Clinical Outcomes of Carbon-Ion Radiotherapy for Large-Sized (≥4cm) Hepatocellular Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e348. [PMID: 37785207 DOI: 10.1016/j.ijrobp.2023.06.2418] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Radical treatment options for bulky unresectable locally advanced hepatocellular carcinoma (HCC) are limited. The purpose of this study is to evaluate the safety and efficacy of carbon-ion radiotherapy (C-ion RT) for bulky (≥4cm) locally advanced HCC. MATERIALS/METHODS We performed a retrospective cohort study of patients with bulky (≥4cm) locally advanced HCC treated by C-ion RT between April 2000 and March 2020 in our institution. The eligibility criteria for this study were: (1) the treatment protocols of 45.0-48.0 Gy/2 fractions or 52.8-60.0 Gy/4 fractions, which proven the safety and efficacy in the past clinical trials; (2) Tumors within 3 intrahepatic lesions and with a maximum tumor diameter of 4 cm or greater; (3) N0M0 status; (4) an Eastern Cooperative Oncology Group performance status of 0 to 2; (5) controllable ascites; (6) Child-Pugh grade was A or B. Overall survival (OS), progression-free survival (PFS), and local control rate (LC) were calculated by the Kaplan-Meier method, and Cox regression analysis was used for multivariate analysis. Adverse events were evaluated by CTCAE ver. 5.0. JMP® 12 (SAS Institute Inc., Cary, NC, USA) was used for all analyses. We defined p < 0.05 as statistically significant. RESULTS A total of 187 patients met the criteria and were evaluated. The median patient age was 73 years (range, 37-90), and 139 of 187 patients were male. Child-Pugh grade was A in 163 patients and B in 24. Modified albumin-bilirubin (mALBI) grade was 1 in 96 patients, 2a in 50, and 2b in 41. The number of HCV-related HCC cases was in 80, HBV in 32 and non-B and non-C in 75. In 51 patients, identification of vascular invasion to the first-order branch of the portal vein and/or major hepatic vein was confirmed. The median maximum tumor diameter was 5.1 cm (4.0-13.5 cm). In 76 patients, C-ion RT were treated for recurrence. With a median follow-up period of 25.9 months (range, 1.1-215.1), 2-year overall survival, progression-free survival and local control rates were 68.3% (95% confidence interval [CI], 64.7-72.0%), 39.0% (95% CI, 35.2 - 42.8%) and 86.7% (95% CI, 84.7 - 89.7%), respectively. Late adverse events were observed in 3 patients (1.6%) with Grade 3 liver dysfunction and in 3 patients (1.6%) with Grade 3 skin disorders, but there were no cases of Grade 4 or higher. Multivariate analysis of prognostic factors for overall survival revealed that mALBI grade in 2b(HR:3.13, 1.97-4.78, p<0.0001), tumor status in recurrent treatment (HR:1.50, 1.02-2.21, p = 0.039), the number of tumors in 2 or more (HR:2.16, 1.01-2.17, p = 0.045), and maximum tumor diameter in larger than 6 cm (HR:2.34, 1.50-3.61, p = 0.0001) were the predominant prognostic factors, while age, presence of vascular invasion, AFP and DCP were not. CONCLUSION The safety and efficacy of C-ion RT for bulky (≥4cm) locally advanced HCC was demonstrated. These results suggested that C-ion RT may be a new treatment option for locally advanced bulky HCC with no curative treatment options.
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Affiliation(s)
- M Wakatsuki
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - H Makishima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan; Departement of Radiation Oncology and Proton Medical Research Center, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Y Mori
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - T Kaneko
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan; Department of Radiation Oncology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - S Yasuda
- Department of Radiation Oncology, Chiba Rosai Hospital, Chiba, Japan
| | | | - M Nakajima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - K Murata
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - N Okonogi
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - S Aoki
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - H Ishikawa
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - S Yamada
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
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Mori Y, Wakatsuki M, Makishima H, Takashi K, Ishikawa H, Yasuda S, Okada N, Nakajima M, Murata K, Okonogi N, Aoki S, Yamada S. Long-Term Clinical Outcome of Carbon Ion Radio Therapy for Hepatocellular Carcinoma in the Caudate Lobe. Int J Radiat Oncol Biol Phys 2023; 117:e326-e327. [PMID: 37785158 DOI: 10.1016/j.ijrobp.2023.06.2373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Surgical resection is the first-line treatment for hepatocellular carcinoma in the caudate lobe (caudate HCC), but it is often difficult due to the tumor's location. In addition, radiofrequency ablation and transcatheter arterial chemoembolization are also difficult for the same reason. This study aimed to evaluate the safety and efficacy of carbon-ion radiation therapy (C-ion RT) for caudate HCC. MATERIALS/METHODS We performed a retrospective cohort study of patients with hepatocellular carcinoma treated by C-ion RT between April 2000 and March 2020 in our institution. The eligibility criteria for this study were: (1) located mainly in the caudate lobe (2) the treatment protocols of 45.0-48.0 Gy/2 fractions or 52.8-60.0 Gy/4 fractions, which proved the safety and efficacy in the past clinical trials; (3) N0M0 status; (4) an Eastern Cooperative Oncology Group performance status (PS) of 0 to 2; (5) controllable ascites. The prescribed dose (Gy) used in this study is relative biological effectiveness (RBE) weighted dose. Overall survival (OS), progression-free survival (PFS), and local control rate (LC) were calculated by the Kaplan-Meier method. Adverse events were evaluated by NCI-CTCAE ver. 5.0. SPSS software version 27.0 (IBM Inc.) was used for all analyses. We defined p-value < 0.05 as statistically significant. RESULTS A total of 25 patients met the criteria and were evaluated. The median patient age was 73 years (range 58-89), and 21 of 25 patients were male. The number of patients with PS 0 was 22, PS 1 was 1, and PS 2 was 2. The number of HBV-related HCC cases was in 8, HCV-related HCC cases was in 11, and non-B and non-C cases was in 6. The median maximum tumor diameter was 3.0 cm (1.1-4.8 cm). In 6 patients, identification of vascular invasion to the main trunk of the portal vein and/or major hepatic vein was confirmed. The Child-Pugh (CP) grade was A in 21 patients and B in 4. The modified albumin-bilirubin (mALBI) grade 1 is in 17 patients, 2a in 4, 2b in 4. Prescribed doses were 45 Gy / 2 fr in 3 cases, 48 Gy / 2 fr in 12 cases, 52.8 Gy / 4 fr in 7 cases, and 60 Gy / 4 fr in 3 cases. With a median follow-up period of 43.6 months (range 0.3-85.0), 3-year OS, PFS, and LC were 74% (95% confidence interval [CI], 54.8-93.8%), 32% (95% CI, 11.8-51.4%), and 93% (95% CI, 79.4-106%), respectively. All patients had no Grade 2 or higher adverse events during the observation period. CONCLUSION The safety and efficacy of C-ion RT for caudate HCC were demonstrated. These results suggested that C-ion RT may be a promising treatment option for patients with caudate HCC.
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Affiliation(s)
- Y Mori
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - M Wakatsuki
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - H Makishima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - K Takashi
- Yamagata university hospital, Yamagata, Japan
| | - H Ishikawa
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - S Yasuda
- Department of Radiation Oncology, Chiba Rosai Hospital, Chiba, Japan
| | | | - M Nakajima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - K Murata
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - N Okonogi
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - S Aoki
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - S Yamada
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
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Watanabe K, Tichy A, Kamoi K, Hiasa M, Yonekura K, Tanaka E, Nakajima M, Hosaka K. Restoration of a Microdont Using the Resin Composite Injection Technique With a Fully Digital Workflow: A Flexible 3D-printed Index With a Stabilization Holder. Oper Dent 2023; 48:483-489. [PMID: 37503684 DOI: 10.2341/23-007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/02/2023] [Indexed: 07/29/2023]
Abstract
Direct composite restorations are accepted as a treatment option for microdontia, which is a relatively prevalent condition that poses esthetic concerns. While free-hand composite placement is technique-sensitive and time-consuming, the resin composite injection technique is more straightforward and predictable. A fully digital workflow has been recently introduced, but the 3D-printed resin index is rigid and challenged by undercuts, as opposed to the silicone index. This case report presents a flexible 3D-printed resin index, which can accurately transfer the digitally simulated functional and esthetic form to the final restoration. In addition, a rigid stabilization holder was designed to stabilize the flexible index.
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Affiliation(s)
- K Watanabe
- Keiichiro Watanabe, DDS, PhD, Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - A Tichy
- Antonin Tichy, DDS, PhD, Institute of Dental Medicine, First Faculty of Medicine of the Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - K Kamoi
- Kohei Kamoi, RDT, Department of Dental Laboratory, Tokushima University Hospital, Tokushima, Japan
| | - M Hiasa
- Masahiro Hiasa, DDS, PhD, Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - K Yonekura
- Kazuhide Yonekura, DDS, PhD, Department of Regenerative Dental Medicine, Tokushima University Graduate School of Biomedical Sciences, and Institute of Post-LED Photonics, Tokushima University, Tokushima, Japan
| | - E Tanaka
- Eiji Tanaka, DDS, PhD, Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - M Nakajima
- Masatoshi Nakajima, DDS, PhD, Department of Regenerative Dental Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - K Hosaka
- *Keiichi Hosaka, DDS, PhD, Department of Regenerataive Dental Medicine Tokushima University Graduate School of Biomedical Sciences, and Institute of Post-LED Photonics, Tokushima University, Tokushima, Japan
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Sakae Y, Takada H, Ichinose S, Nakajima M, Sakai A, Ogawa R. Treatment with YIGSR peptide ameliorates mouse tail lymphedema by 67 kDa laminin receptor (67LR)-dependent cell-cell adhesion. Biochem Biophys Rep 2023; 35:101514. [PMID: 37521371 PMCID: PMC10372372 DOI: 10.1016/j.bbrep.2023.101514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/06/2023] [Accepted: 07/11/2023] [Indexed: 08/01/2023] Open
Abstract
Impaired microcirculation can cause lymphatic leakage which leads to a chronic swelling in the tissues of the body. However, no successful treatment gives any protection against lymphedema due to the lack of well-revealed pathophysiology of secondary lymphedema. Binary image of laminin immunohistochemical expression revealed that distribution of laminin expression localized during surgically induced lymphedema. 67 kDa laminin receptor (67LR) mRNA expression showed a peak at during lymphedema exacerbation. Since the response of 67LR molecules may affect the prevention of inflammation and edema, here we have hypothesized that 67LR ligand of YIGSR peptide could permit reconstructive environment for amelioration of lymphedema and evaluated the effect of YIGSR in a mouse tail model of lymphedema. Indeed, intra-abdominal injections of YIGSR for the first 3 days after inducing lymphedema in the mouse tail model reduced the tail lymphedema on day 14 by 27% (P = 0.035). Histology showed that YIGSR treatment protected lymphedema impairment in epidermis and dermis, and it also inhibited the expansion of intercellular spaces and enhanced especially cell adhesion in the basement membrane as revealed by transmission electron microscopy. Interestingly, the treatment also reduced the local expression of transforming growth factor (TGF)β. Further elucidation of the mechanisms of 67LR-facilitated lymphangiogenesis contributes to find potential targets for the treatment of lymphedema.
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Affiliation(s)
- Y. Sakae
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Japan
| | - H. Takada
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Japan
- Department of Anti-Aging and Preventive Medicine, Nippon Medical School, Japan
| | - S. Ichinose
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Japan
| | - M. Nakajima
- Department of Pharmacology, Nippon Medical School, Japan
| | - A. Sakai
- Department of Pharmacology, Nippon Medical School, Japan
| | - R. Ogawa
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Japan
- Department of Anti-Aging and Preventive Medicine, Nippon Medical School, Japan
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Sanon K, Hatayam T, Hosaka K, Nakajima M. Effect of Zinc Chloride on HOCl-Smear Layer Deproteinization. Dent Mater 2022. [DOI: 10.1016/j.dental.2021.12.091] [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: 11/03/2022]
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8
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Sato T, Nakajima M, Takeishi Y, Nakajima K, Egawa K, Watanabe E, Hasegawa M. Effect of brown rice intake on obese people with exercise habits. Clin Nutr ESPEN 2021. [DOI: 10.1016/j.clnesp.2021.09.441] [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: 10/19/2022]
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Ishii Y, Aiba N, Ando M, Asakura N, Bierwage A, Cara P, Dzitko H, Edao Y, Gex D, Hasegawa K, Hayashi T, Hiwatari R, Hoshino T, Ikeda Y, Ishida S, Isobe K, Iwai Y, Jokinen A, Kasugai A, Kawamura Y, Kim JH, Kondo K, Kwon S, Lorenzo SC, Masuda K, Matsuyama A, Miyato N, Morishita K, Nakajima M, Nakajima N, Nakamichi M, Nozawa T, Ochiai K, Ohta M, Oyaidzu M, Ozeki T, Sakamoto K, Sakamoto Y, Sato S, Seto H, Shiroto T, Someya Y, Sugimoto M, Tanigawa H, Tokunaga S, Utoh H, Wang W, Watanabe Y, Yagi M. R&D Activities for Fusion DEMO in the QST Rokkasho Fusion Institute. Fusion Science and Technology 2021. [DOI: 10.1080/15361055.2021.1925030] [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] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Y. Ishii
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - N. Aiba
- National Institutes for Quantum and Radiological Science and Technology, Naka Fusion Institute, Naka City, Japan
| | - M. Ando
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - N. Asakura
- National Institutes for Quantum and Radiological Science and Technology, Naka Fusion Institute, Naka City, Japan
| | - A. Bierwage
- National Institutes for Quantum and Radiological Science and Technology, Naka Fusion Institute, Naka City, Japan
| | - P. Cara
- IFMIF/EVEDA Project Team, Rokkasho-Vill., Japan
| | - H. Dzitko
- Fusion for Energy, Broader Approach, Garching, Germany
| | | | - D. Gex
- Fusion for Energy, Broader Approach, Garching, Germany
| | - K. Hasegawa
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - T. Hayashi
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - R. Hiwatari
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - T. Hoshino
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - Y. Ikeda
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - S. Ishida
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - K. Isobe
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - Y. Iwai
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - A. Jokinen
- IFMIF/EVEDA Project Team, Rokkasho-Vill., Japan
| | - A. Kasugai
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - Y. Kawamura
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - J. H. Kim
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - K. Kondo
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - S. Kwon
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - S. C. Lorenzo
- Fusion for Energy, Broader Approach, Barcelona, Spain
| | - K. Masuda
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - A. Matsuyama
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - N. Miyato
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - K. Morishita
- Kyoto University, Institute of Advanced Energy, Uji, Japan
| | - M. Nakajima
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - N. Nakajima
- National Institute for Fusion Science, Department of Helical Plasma Research Rokkasho Research Center, Rokkasho-Vill., Japan
| | - M. Nakamichi
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - T. Nozawa
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - K. Ochiai
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - M. Ohta
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - M. Oyaidzu
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - T. Ozeki
- NAT Corporation, Tohoku Branch Office, Rokkasho-Vill., Japan
| | - K. Sakamoto
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - Y. Sakamoto
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - S. Sato
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - H. Seto
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - T. Shiroto
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - Y. Someya
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - M. Sugimoto
- NAT Corporation, Tohoku Branch Office, Rokkasho-Vill., Japan
| | - H. Tanigawa
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - S. Tokunaga
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - H. Utoh
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - W. Wang
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - Y. Watanabe
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
| | - M. Yagi
- National Institutes for Quantum and Radiological Science and Technology, Rokkasho Fusion Institute, Rokkasho-Vill., Japan
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10
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Okuma A, Nakajima M, Ito H, Sonoo T, Nakamura K, Goto T. 287 Association Between Comorbid Mental Illness and Preceding Emergency Department Visits in Unplanned Admissions. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.300] [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: 10/20/2022]
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11
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Shimojima T, Motoyui Y, Taniuchi T, Bareille C, Onari S, Kontani H, Nakajima M, Kasahara S, Shibauchi T, Matsuda Y, Shin S. Discovery of mesoscopic nematicity wave in iron-based superconductors. Science 2021; 373:1122-1125. [PMID: 34516833 DOI: 10.1126/science.abd6701] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- T Shimojima
- RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan
| | - Y Motoyui
- Institute for Solid State Physics (ISSP), The University of Tokyo, Kashiwa 277-8581, Japan
| | - T Taniuchi
- Institute for Solid State Physics (ISSP), The University of Tokyo, Kashiwa 277-8581, Japan.,Material Innovation Research Center (MIRC), The University of Tokyo, Kashiwa, Chiba 277-8561, Japan
| | - C Bareille
- Institute for Solid State Physics (ISSP), The University of Tokyo, Kashiwa 277-8581, Japan.,Material Innovation Research Center (MIRC), The University of Tokyo, Kashiwa, Chiba 277-8561, Japan
| | - S Onari
- Department of Physics, Nagoya University, Furo-cho, Nagoya 464-8602, Japan
| | - H Kontani
- Department of Physics, Nagoya University, Furo-cho, Nagoya 464-8602, Japan
| | - M Nakajima
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - S Kasahara
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - T Shibauchi
- Department of Advanced Materials Science, The University of Tokyo, Kashiwa 277-8561, Japan
| | - Y Matsuda
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - S Shin
- Institute for Solid State Physics (ISSP), The University of Tokyo, Kashiwa 277-8581, Japan.,Material Innovation Research Center (MIRC), The University of Tokyo, Kashiwa, Chiba 277-8561, Japan.,Office of University Professor, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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12
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Iizumi T, Okumura T, Maruo K, Baba K, Murakami M, Shimizu S, Saito T, Nakajima M, Makishima H, Numajiri H, Mizumoto M, Nakai K, Sakurai H. 943P Long-term outcome of the oldest-old patients (85 years or older) underwent proton beam therapy for hepatocellular carcinoma. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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13
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Ono T, Yamamoto N, Nomoto A, Nakajima M, Yamada S, Tsuji H. P05.07 Single-Fraction Carbon ion Radiotherapy for Patients with Early-Stage Lung Cancer with or without Interstitial Pneumonitis. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.398] [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: 11/26/2022]
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14
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Nakajima M, Taguchi R, Yabuuchi A, Kinomura A. Reduction of background radiation effects for positron lifetime measurements in the slow positron beamline at the Kyoto University Research Reactor. Rev Sci Instrum 2020; 91:125109. [PMID: 33379944 DOI: 10.1063/5.0013891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 11/10/2020] [Indexed: 06/12/2023]
Abstract
Positron annihilation lifetime spectroscopy (PALS), which is recognized as one of the major analytical methods of positron annihilation spectroscopy, can directly detect information related to the size of vacancy-type defects from lifetime values. PALS measurements performed under high background radiation have been previously reported. It is well known that coincidence techniques such as age-momentum correlation (AMOC) measurements are effective for the background reduction, but count rates decline significantly. In this study, a preliminary experiment was performed to reduce the influence of the background radiation without the coincidence technique in the pulsing system of the Kyoto University research Reactor (KUR) slow positron beamline. This experiment involved the introduction of a gate circuit for the background radiation discrimination using a dynode signal from a single scintillation detector (photomultiplier). After introducing the gate circuit, the time resolution and the lifetime value of Kapton were 308 ps and 388 ± 3 ps, respectively, with count rates of ∼400 counts/s at a KUR 5 MW operation. In the AMOC measurement, the time resolution and the lifetime value of Kapton were 297 ps and 380 ± 7 ps, respectively, with count rates of ∼40 counts/s at a KUR 5 MW operation. When the single detector with the gate circuit was used, the count rate was ∼1 order of magnitude higher than those of the AMOC measurements, while the time resolutions of the two methods were comparable.
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Affiliation(s)
- M Nakajima
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori-cho, Osaka 590-0494, Japan
| | - R Taguchi
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori-cho, Osaka 590-0494, Japan
| | - A Yabuuchi
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori-cho, Osaka 590-0494, Japan
| | - A Kinomura
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori-cho, Osaka 590-0494, Japan
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15
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Sato T, Nakajima M, Takeishi Y, Nakajima K, Hasegawa M. Effect of brown rice on the blood exam in Japanese sumo wrestling. Clin Nutr ESPEN 2020. [DOI: 10.1016/j.clnesp.2020.09.738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Nakajima M, Rauramaa T, Mäkinen PM, Hiltunen M, Herukka SK, Kokki M, Musialowicz T, Jyrkkänen HK, Danner N, Junkkari A, Koivisto AM, Jääskeläinen JE, Miyajima M, Ogino I, Furuta A, Akiba C, Kawamura K, Kamohara C, Sugano H, Tange Y, Karagiozov K, Leinonen V, Arai H. Protein tyrosine phosphatase receptor type Q in cerebrospinal fluid reflects ependymal cell dysfunction and is a potential biomarker for adult chronic hydrocephalus. Eur J Neurol 2020; 28:389-400. [PMID: 33035386 PMCID: PMC7821334 DOI: 10.1111/ene.14575] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 09/30/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND AND PURPOSE Protein tyrosine phosphatase receptor type Q (PTPRQ) was extracted from the cerebrospinal fluid (CSF) of patients with probable idiopathic normal-pressure hydrocephalus (iNPH) by proteome analysis. We aimed to assess the feasibility of using CSF PTPRQ concentrations for the additional diagnostic criterion of iNPH in Japanese and Finnish populations. METHODS We compared PTPRQ concentrations among patients with probable iNPH and neurologically healthy individuals (normal control [NC] group), patients with normal-pressure hydrocephalus (NPH) of acquired and congenital/developmental aetiologies, patients with Alzheimer's disease and patients with Parkinson's disease in a Japanese analysis cohort. A corresponding iNPH group and NC group in a Finnish cohort was used for validation. Patients in the Finnish cohort who underwent biopsy were classified into two groups based on amyloid and/or tau deposition. We measured PTPRQ expression levels in autopsied brain specimens of iNPH patients and the NC group. RESULTS Cerebrospinal fluid PTPRQ concentrations in the patients with NPH of idiopathic, acquired and congenital/developmental aetiologies were significantly higher than those in the NC group and those with Parkinson's disease, but iNPH showed no significant differences when compared with those in the Alzheimer's disease group. For the patients with iNPH, the area under the receiver-operating characteristic curve was 0.860 in the Japanese iNPH and 0.849 in the Finnish iNPH cohorts. Immunostaining and in situ hybridization revealed PTPRQ expression in the ependymal cells and choroid plexus. It is highly possible that the elevated PTPRQ levels in the CSF are related to ependymal dysfunction from ventricular expansion. CONCLUSIONS Cerebrospinal fluid PTPRQ levels indicated the validity of this assay for auxiliary diagnosis of adult chronic hydrocephalus.
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Affiliation(s)
- M Nakajima
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - T Rauramaa
- Institute of Clinical Medicine-Pathology, University of Eastern, Finland.,Department of Pathology, Kuopio University Hospital, Kuopio, Finland
| | - P M Mäkinen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - M Hiltunen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - S-K Herukka
- Institute of Clinical Medicine - Neurology, University of Eastern Finland, Kuopio, Finland.,Neurocentre, Neurology, Kuopio University Hospital, Kuopio, Finland
| | - M Kokki
- Department of Anaesthesiology and Intensive Care, Kuopio University Hospital, Kuopio, Finland
| | - T Musialowicz
- Department of Anaesthesiology and Intensive Care, Kuopio University Hospital, Kuopio, Finland
| | - H-K Jyrkkänen
- Institute of Clinical Medicine-Neurosurgery, University of Eastern, Finland.,Neurocentre, Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - N Danner
- Institute of Clinical Medicine-Neurosurgery, University of Eastern, Finland.,Neurocentre, Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - A Junkkari
- Institute of Clinical Medicine-Neurosurgery, University of Eastern, Finland.,Neurocentre, Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - A M Koivisto
- Institute of Clinical Medicine - Neurology, University of Eastern Finland, Kuopio, Finland.,Neurocentre, Neurology, Kuopio University Hospital, Kuopio, Finland
| | - J E Jääskeläinen
- Institute of Clinical Medicine-Neurosurgery, University of Eastern, Finland.,Neurocentre, Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - M Miyajima
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - I Ogino
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - A Furuta
- Department of Psychiatry and Behavioural Science, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - C Akiba
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - K Kawamura
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - C Kamohara
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - H Sugano
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Y Tange
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - K Karagiozov
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - V Leinonen
- Institute of Clinical Medicine-Neurosurgery, University of Eastern, Finland.,Neurocentre, Neurosurgery, Kuopio University Hospital, Kuopio, Finland.,Unit of Clinical Neuroscience, Neurosurgery, University of Oulu and Medical Research Centre, Oulu University Hospital, Oulu, Finland
| | - H Arai
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
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17
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Tichy A, Hosaka K, Abdou A, Nakajima M, Tagami J. Degree of Conversion Contributes to Dentin Bonding Durability of Contemporary Universal Adhesives. Oper Dent 2020; 45:556-566. [DOI: 10.2341/19-165-l] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2019] [Indexed: 11/23/2022]
Abstract
Clinical Relevance
The degree of conversion of contemporary universal adhesives positively correlates with the bond strength to dentin. The correlation is more marked after thermocycling, suggesting that a high degree of conversion is required for long-term dentin bonding durability.
SUMMARY
Purpose: The objectives of this study were to evaluate the micro-tensile bond strength (μTBS) of five contemporary universal adhesives to dentin after 24 hours and thermocycling (TC), to measure their degrees of conversion (DC) and to test the correlation between μTBS and DC.
Methods and Materials: Four commercially available universal adhesives, Prime&Bond universal (PBU), Ecosite Bond (EB), G-Premio Bond (GPB), and Clearfil Universal Bond Quick (UBQ), and one experimental adhesive, UBQ without an amide monomer (UBQ-A), were used in this study. For the μTBS test, midcoronal dentin of 50 human molars was exposed, ground using 600-grit SiC paper, and the adhesives were applied according to the manufacturers’ instructions. After resin-composite buildup and 24-hour water storage, one-half of the specimens were subjected to 15,000 thermal cycles. The specimens were sectioned into beams and stressed in tension at a crosshead speed of 1 mm/min until failure. The DC of adhesives applied to dentin was evaluated using attenuated total reflectance Fourier-transform infrared spectroscopy immediately after light-curing. All data were statistically analyzed at a significance level of 0.05.
Results: The highest μTBSs were obtained with UBQ, UBQ-A, and PBU, which were not significantly different from each other both after 24 hours and TC. The μTBS of GPB was lower compared with the aforementioned adhesives, but significantly only after TC, and the lowest μTBSs were obtained with EB. TC did not affect the μTBSs of UBQ, UBQ-A, and PBU significantly, but a significant decrease was observed with GPB and EB. The highest DC was obtained with PBU and UBQ, followed by 2-hydroxyethyl methacrylate–rich adhesives UBQ-A and EB, which exhibited significantly lower DCs. The DC of GPB could not be determined because the reference peak at 1608 cm−1 was not detected in its spectra. A significant positive correlation was shown between μTBS and DC after 24 hours (r=0.716) and TC (r=0.856).
Conclusion: μTBS and DC were positively correlated, more markedly after TC, which suggests that DC may be an important factor for bond durability.
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18
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Vargas EA, dos Santos EA, Pittet A, Corrêa TBS, da Rocha APP, Diaz GJ, Gorni R, Koch P, Lombaert GA, MacDonald S, Mallmann CA, Meier P, Nakajima M, Neil RJ, Patel S, Petracco M, Prado G, Sabino M, Steiner W, Stroka J, Taniwaki MH, Wee SM. Determination of Ochratoxin A in Green Coffee by Immunoaffinity Column Cleanup and Liquid Chomatography: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/88.3.773] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A collaborative study was conducted to evaluate a method using immunoaffinity column cleanup with liquid chromatography (LC) for the determination of ochratoxin A (OTA) in green coffee at levels that could be included in possible future regulations of the European Union. The test portion was extracted with methanol–3% aqueous sodium hydrogen carbonate solution (50 + 50, v/v). The extract was filtered, and the filtrate was diluted with phosphate-buffered saline and applied to an immunoaffinity column containing antibodies specific for OTA. After washing, the toxin was eluted from the column with methanol and quantified by LC with fluorescence detection. Pairs of 4 homogeneous noncontaminated and naturally contaminated materials (mean levels of <0.12, 2.44, 5.15, and 13.46 ng/g) and blank samples (<0.12 ng/g) for spiking were sent to 20 participant laboratories from 8 countries. The materials were analyzed according to the method description and all difficulties encountered in the analysis were reported. Statistical analysis was carried out according to the Harmonized Protocol of the International Union of Pure and Applied Chemistry. The relative standard deviation for repeatability (RSDr) ranged from 7.42 to 20.94%, and the relative standard deviation for reproducibility (RSDR) ranged from 16.34 to 29.17%. The method showed acceptable within-laboratory and between-laboratories precision for green coffee materials, as evidenced by HorRat values of ≤0.85, at the studied range, for spiked and naturally contaminated materials. The mean recovery was 92.8% for green coffee material spiked with OTA at a level of 4.82 ng/g.
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Affiliation(s)
- Eugênia Azevedo Vargas
- Ministério da Agricultura, Pecuária e Abastecimento, Laboratório de Controle de Qualidade e Segurança Alimentar, Av. Raja Gabaglia, 245, Cidade Jardim, Belo Horizonte, MG, CEP:30380-090, Brazil
| | - Eliene Alves dos Santos
- Ministério da Agricultura, Pecuária e Abastecimento, Laboratório de Controle de Qualidade e Segurança Alimentar, Av. Raja Gabaglia, 245, Cidade Jardim, Belo Horizonte, MG, CEP:30380-090, Brazil
| | - Alain Pittet
- Nestlé Research Center, Vers-chez-les-Blanc, PO Box 44, CH-1000 Lausanne 26, Switzerland
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19
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Deguchi T, Hashizume H, Nakajima M, Teraguchi M, Akune T, Yamada H, Tanaka S, Yoshimura N, Nojima M, Yoshida M, Ikegawa S. A population-based study identifies an association of THBS2 with intervertebral disc degeneration. Osteoarthritis Cartilage 2019; 27:1501-1507. [PMID: 31233787 DOI: 10.1016/j.joca.2019.06.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 05/26/2019] [Accepted: 06/03/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To clarify the genetic mechanisms underlying intervertebral disc degeneration (IDD), we examined the associations between single-nucleotide polymorphisms (SNPs) and indicated as coefficient of interaction term (IDD) in a general population in Japan. METHODS This was a cross-sectional study. In 1,605 participants, C2-3 to L5/S1 in the total spine magnetic resonance imaging (MRI) were evaluated using the Pfirrmann's scoring system. Disc scores of 4 and 5 were defined as IDD. Eight SNPs in eight genes associated with IDD were examined at each disc level, considering the non-genetic risk factors of age, sex, and body mass index (BMI). RESULTS The highest odds ratio was found for rs9406328 in the THBS2 gene at disc level T12-L1 (OR 1.27, 95%CI 1.05 to 1.53), and this association was strengthened after adjustment for age using logistic regression (OR 1.37, 95%CI 1.12 to 1.67). Among participants aged <50 years and 50-59, the average IDD score in those with 2 risk alleles of rs9406328 was markedly higher than in those with 0 or 1 risk allele, and the difference is much wider than the elderly participants. It indicates the genetic effect of rs9406328 is stronger in the younger age groups. Finally, multiple linear regression analyses of the association between rs9406328 and IDD, adjusted for age, sex, and BMI at each disc level, showed a statistical interaction between age and the number of risk alleles at C7-T1, T3-4 and T4-T5 as well as T12-L1. CONCLUSION CONCLUSION: The association between rs9406328 in THBS2 and IDD was replicated. The contributions of genetic and environmental factors to IDD differed by disc level.
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Affiliation(s)
- T Deguchi
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - H Hashizume
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan.
| | - M Nakajima
- Laboratory of Bone and Joint Diseases, Center for Integrative Medical Sciences, RIKEN, Tokyo, Japan
| | - M Teraguchi
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - T Akune
- Rehabilitation Services Bureau, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - H Yamada
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - S Tanaka
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - N Yoshimura
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical & Research Center, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - M Nojima
- Biostatistics & Data Management, Center for Translational Research, The Institute of Medical Science Hospital, The University of Tokyo, Tokyo, Japan
| | - M Yoshida
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - S Ikegawa
- Laboratory of Bone and Joint Diseases, Center for Integrative Medical Sciences, RIKEN, Tokyo, Japan.
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20
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Sato T, Nakajima M, Takeishi Y. MON-PO582: Effect of High Intensity Practice on the Body Composition to High-Carbohydrate Diet in Japanese Sumo Wrestling. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32415-x] [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: 10/26/2022]
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21
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Takeishi Y, Nakajima M, Sato T. MON-PO583: Analysis of Relationship Between Blood Examination and Body Composition in Over 35 of BMI. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32416-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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23
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Nakajima M, Sato T, Takeishi Y. Effect of short term and high intensity exercise on metabolic function. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.1929] [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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24
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Sato T, Nakajima M. Effect of body composition intake nano high-fiber in rats. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.1945] [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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25
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Qiu HS, Kato K, Hirota K, Sarukura N, Yoshimura M, Nakajima M. Layer thickness dependence of the terahertz emission based on spin current in ferromagnetic heterostructures. Opt Express 2018; 26:15247-15254. [PMID: 30114774 DOI: 10.1364/oe.26.015247] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 05/27/2018] [Indexed: 06/08/2023]
Abstract
The emission with a bandwidth of 1.5 terahertz based on the spin current in the ferromagnetic heterostructure Co/Pt is demonstrated. The spin transient launched by the NIR femtosecond laser pulse in the Co/Pt is converted into the in-plane charge current due to the inverse spin Hall effect, which gives rise to the terahertz emission towards free space. The dependence of the terahertz emission on the Pt-layer thickness is investigated. To optimize the geometry structure of the new type of emitter, we developed the theoretical model by carefully analyzing the spin transport. Our model reveals the importance to take into account the interfacial spin loss. It can be used to analyze more complex heterostructures.
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26
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Tabeta K, Hosojima M, Nakajima M, Miyauchi S, Miyazawa H, Takahashi N, Matsuda Y, Sugita N, Komatsu Y, Sato K, Ishikawa T, Akiishi K, Yamazaki K, Kato K, Saito A, Yoshie H. Increased serum PCSK9, a potential biomarker to screen for periodontitis, and decreased total bilirubin associated with probing depth in a Japanese community survey. J Periodontal Res 2018. [DOI: 10.1111/jre.12533] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [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)
- K. Tabeta
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - M. Hosojima
- Department of Clinical Nutrition Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - M. Nakajima
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - S. Miyauchi
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - H. Miyazawa
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - N. Takahashi
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - Y. Matsuda
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - N. Sugita
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - Y. Komatsu
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - K. Sato
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
| | - T. Ishikawa
- Division of Clinical Nephrology and Rheumatology; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - K. Akiishi
- Reagent R&D Department; Denka Seiken Co., Ltd.; Niigata Japan
| | - K. Yamazaki
- Laboratory of Periodontology and Immunology; Department of Oral Health and Welfare; Faculty of Dentistry; Niigata University; Niigata Japan
| | - K. Kato
- Department of Laboratory Medicine and Clinical Epidemiology for Prevention of Noncommunicable Diseases; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - A. Saito
- Department of Applied Molecular Medicine; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - H. Yoshie
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Science; Niigata Japan
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Nagahashi M, Yamada A, Aoyagi T, Huang WC, Terracina KP, Hait N, Allegood JC, Tsuchida J, Nakajima M, Katsuta E, Milstien S, Wakai T, Spiegel S, Takabe K. Abstract P1-01-06: Targeting the SphK1/S1P/S1PR1 axis that connects obesity, chronic inflammation, and breast cancer metastasis. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p1-01-06] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction: Obesity with associated inflammation is now recognized as a risk factor for breast cancer and increased incidence of distant metastases. However, the link between obesity and breast cancer progression remains poorly understood. There is growing evidence that sphingosine-1-phosphate (S1P), a pleiotropic bioactive sphingolipid metabolite enriched both in blood and lymphatic fluid is involved in inflammation, obesity, and breast cancer progression. Our hypothesis is that obesity increases levels of S1P in both tumor and its microenvironment, which play a role in obesity-induced inflammation and breast cancer metastasis. The aim of this study is to test this hypothesis in in vitro and in vivo as well as patient settings.
Methods: Levels of sphingolipids including S1P in serum from breast cancer patients were quantified. Orthotopically-implanted E0771 syngeneic breast cancer and MMTV-PyMT transgenic breast cancer mouse models were used. Mice were fed with normal or high-fat diet (HFD). FTY720 was administered orally (1 mg/kg/day). To examine pre-metastatic niche formation, a mouse model utilizing tail vein injection of E0771 cells was used. In this model, mice were treated with conditioned media from E0771 breast cancer cells overexpressing SphK1 (K1-CM) or that from E0771 cells cultured with the vector control (CT-CM), prior to tail vein injections of naive E0771 cells. S1P levels were determined by electrospray ionization-tandem mass spectrometry.
Results: We found that obesity significantly increased S1P levels in serum from breast cancer patients. In animal breast cancer models, HFD upregulated expression of sphingosine kinase 1 (SphK1), the enzyme that produces S1P, and its receptor S1PR1 in syngeneic and spontaneous breast tumors. HFD also significantly increased S1P in breast tumors and in the tumor interstitial fluid, which is a component of the tumor microenvironment and bathes cancer cells in the tumor. Targeting the SphK1/S1P/S1PR1 axis with FTY720/fingolimod attenuated obesity-induced key pro-inflammatory cytokines, macrophage infiltration, and tumor progression. In addition, S1P produced by tumor SphK1 primed lung pre-metastatic niches, increased macrophage recruitment into the lung, and induced IL-6 and signaling pathways important for lung metastatic colonization. FTY720 suppressed HFD-induced lung IL-6 and macrophage infiltration as well as S1P-mediated signaling pathways and dramatically reduced formation of metastatic foci. In tumor bearing mice, FTY720 also suppressed obesity-related inflammation, S1P signaling, pulmonary metastasis, and prolonged survival.
Conclusion: Our results highlight a critical role for circulating S1P produced by tumor and the SphK1/S1P/S1PR1 axis in obesity-related inflammation, metastatic niche formation and breast cancer metastasis and suggest that targeting the SphK1/S1P/S1PR1 axis would be a useful therapeutic for obesity promoted metastatic breast cancer.
Citation Format: Nagahashi M, Yamada A, Aoyagi T, Huang W-C, Terracina KP, Hait N, Allegood JC, Tsuchida J, Nakajima M, Katsuta E, Milstien S, Wakai T, Spiegel S, Takabe K. Targeting the SphK1/S1P/S1PR1 axis that connects obesity, chronic inflammation, and breast cancer metastasis [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P1-01-06.
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Affiliation(s)
- M Nagahashi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - A Yamada
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - T Aoyagi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - W-C Huang
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - KP Terracina
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - N Hait
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - JC Allegood
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - J Tsuchida
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - M Nakajima
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - E Katsuta
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - S Milstien
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - T Wakai
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - S Spiegel
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
| | - K Takabe
- Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan; Virginia Commonwealth University School of Medicine, Richmond, VA; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Baffalo, NY
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Tsuchida J, Nagahashi M, Nakajima M, Takabe K, Wakai T. Abstract P1-01-21: The levels of sphingosine-1-phosphate and its related gene expressions in breast cancer patients. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p1-01-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: The bioactive lipid mediator sphingosine-1-phosphate (S1P) has emerged as a key regulatory molecule in cancer progression. We previously demonstrated that S1P is a crucial mediator of breast cancer-induced angiogenesis and lymphangiogenesis, and promote metastasis. Although increasing number of in vitro and in vivo experiments have revealed the importance of S1P in cancer progression, the data on the roles of S1P in human patients are very limited. The aim of this study is to reveal the clinical relevance of S1P in the interaction between cancer and the tumor microenvironment by examining the levels of the sphingolipids in patient breast cancer tissue samples.
Material and Method: Breast cancer tissue, peri-tumor tissue, and normal breast tissue were collected from 20 breast cancer patients immediately after surgery that were conducted from November 2015 to February 2016 at Niigata University Medical and Dental Hospital. Sphingolipids were quantified by liquid chromatography–electrospray ionization tandem mass spectrometry. The expression level of each enzyme-encoding gene involved in S1P production was evaluated by retrieving RNA sequencing and gene expression quantification data from breast cancer tissues (n = 112) and paired normal breast tissues (n = 112) using the Genomics Data Commons (GDC) data portal of the The Cancer Genome Atlas (TCGA) cohort. Gene expression levels were derived using normalization methods provided in the DESeq2 package.
Result: The levels of the sphingolipids sphingosine (Sph), dihydro-sphingosine (DHSph), S1P, and dihydro-S1P (DHS1P) were successfully determined in breast cancer, peri-tumor, and normal breast tissues from all of the 20 patients. As expected, a one-way ANOVA revealed that S1P levels were significantly different depending on the location (F(2,57) = 7.029, P = 0.002). The Tukey post hoc test revealed that S1P levels in tumors were significantly higher than those in normal breast tissue and peri-tumor tissue (P < 0.05). Similarly, Sph and DHSph levels in tumors were significantly higher than in normal breast tissue and peri-tumor tissue. Both SPHK1 and SPHK2 gene expression levels in breast cancer tissue were higher than those in normal breast tissue. Interestingly, expression of some of the S1P-related genes; S1PR3, ABCC1, SGPL1, and ORMDL2, were significantly increased in the breast cancer tissue compared to normal breast tissue. On the other hand, there was significantly decreased expression of the S1P-related genes S1PR1, S1PR2, ABCG2, SPNS2, SGPP1 and ORMDL3, in breast cancer tissue compared to normal breast tissue.
Conclusion: We demonstrated that the major source of S1P is the tumor tissue, and not the peri-tumor tissue despite the fact that angiogenesis and lymphangiogenesis are occurring more in the peri-tumor area, which implicate that S1P may have further role inside the tumor. Our results indicated the complexity of S1P signaling in human cancer than expected based on the results in vivo experiments.
Citation Format: Tsuchida J, Nagahashi M, Nakajima M, Takabe K, Wakai T. The levels of sphingosine-1-phosphate and its related gene expressions in breast cancer patients [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P1-01-21.
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Affiliation(s)
- J Tsuchida
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Buffalo, NY
| | - M Nagahashi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Buffalo, NY
| | - M Nakajima
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Buffalo, NY
| | - K Takabe
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Buffalo, NY
| | - T Wakai
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan; Roswell Park Cancer Institute, Buffalo, NY; University at Buffalo the State University of New York, Buffalo, NY
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Sonobe T, Shimojima T, Nakamura A, Nakajima M, Uchida S, Kihou K, Lee CH, Iyo A, Eisaki H, Ohgushi K, Ishizaka K. Orbital-anisotropic electronic structure in the nonmagnetic state of BaFe 2(As 1-xP x ) 2 superconductors. Sci Rep 2018; 8:2169. [PMID: 29391431 PMCID: PMC5794914 DOI: 10.1038/s41598-018-20332-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/16/2018] [Indexed: 12/02/2022] Open
Abstract
High-temperature superconductivity in iron-pnictides/chalcogenides arises in balance with several electronic and lattice instabilities. Beside the antiferromagnetic order, the orbital anisotropy between Fe 3d xz and 3d yz occurs near the orthorhombic structural transition in several parent compounds. However, the extent of the survival of orbital anisotropy against the ion-substitution remains to be established. Here we report the composition (x) and temperature (T) dependences of the orbital anisotropy in the electronic structure of a BaFe2(As1-xP x )2 system by using angle-resolved photoemission spectroscopy. In the low-x regime, the orbital anisotropy starts to evolve on cooling from high temperatures above both antiferromagnetic and orthorhombic transitions. By increasing x, it is gradually suppressed and survives in the optimally doped regime. We find that the in-plane orbital anisotropy persists in a large area of the nonmagnetic phase, including the superconducting dome. These results suggest that the rotational symmetry-broken electronic state acts as the stage for superconductivity in BaFe2(As1-xP x )2.
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Affiliation(s)
- T Sonobe
- Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, The University of Tokyo, Bunkyo, Tokyo, 113-8656, Japan
| | - T Shimojima
- Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, The University of Tokyo, Bunkyo, Tokyo, 113-8656, Japan.
- RIKEN Center for Emergent Matter Science (CEMS), Wako, 351-0198, Japan.
| | - A Nakamura
- Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, The University of Tokyo, Bunkyo, Tokyo, 113-8656, Japan
| | - M Nakajima
- Department of Physics, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - S Uchida
- Department of Physics, The University of Tokyo, Bunkyo, Tokyo, 113-0033, Japan
| | - K Kihou
- National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8568, Japan
| | - C H Lee
- National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8568, Japan
| | - A Iyo
- National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8568, Japan
| | - H Eisaki
- National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8568, Japan
| | - K Ohgushi
- Department of Physics, Tohoku University, Sendai, Miyagi, 980-8578, Japan
| | - K Ishizaka
- Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, The University of Tokyo, Bunkyo, Tokyo, 113-8656, Japan
- RIKEN Center for Emergent Matter Science (CEMS), Wako, 351-0198, Japan
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Kimihira L, Takahashi Y, Sato H, Iseki C, Suzuki K, Kazui H, Nakajima M, Miyajima M, Arai H, Kuriyama N, Kato T. A hospital-based prospective study on the frequency of developing iNPH among those with asymptomatic ventriculomegaly with features of iNPH on MRI (AVIM). J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1885] [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: 11/26/2022]
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31
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Nakajima M, Watari M, Uyama E, Honda S, Suga T, Ando Y. Deep venous thrombosis in patients with neuromuscular disorders: A multicenter, prospective study. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Murakami Y, Nakajima M, Ueda A, Uetani H, Kitajima M, Ando Y. The utility of enhanced 3D-turbo spin echo sequence in assessment of intracranial vasculitis. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2274] [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: 10/18/2022]
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Watari M, Nakane S, Mukaino A, Nakajima M, Masuda T, Takamatsu K, Mori Y, Kouzaki Y, Higuchi O, Matsuo H, Ando Y. Autoimmune basis in postural Orthostatic Tachycardia syndrome. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2564] [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: 10/18/2022]
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Matsuo K, Tahara M, Fujii C, Miyata K, Hatsuda N, Nakajima M, Akagi A, Mimuro M, Iwasaki Y, Yoshida M. Analysis of clinical features and differential diagnosis in four cases of Creutzfeldt-Jakob disease. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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35
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Inatomi Y, Nakajima M, Yonehara T, Ando Y. Ipsilateral hemiparesis in ischemic stroke patients. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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36
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Yamakawa M, Hashimoto Y, Sakamoto T, Yamamoto F, Ito Y, Tajiri S, Watari M, Nakajima M, Ando Y. Clinical features of patients presenting reversible cerebral vasoconstriction without thunderclap headache. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3170] [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: 11/26/2022]
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Okano H, Nakajima M, Chiba A, Shiokawa Y, Hirano T. Eosinophilia observed among stroke patients: Three case series. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1803] [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: 10/18/2022]
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Koyama Y, Moro K, Miura K, Nagahashi M, Kosugi SI, Tsuchida J, Ikarashi M, Nakajima M, Ichikawa H, Shimada Y, Sakata J, Kameyama H, Kobayashi T, Wakai T. SUN-P008: Validity of Adding Intravenous Carnitine to Parenteral Nutrition with Lipid Emulsion for Deceasing Inflammatory Reaction of Postoperative Surgical Patients. Clin Nutr 2017. [DOI: 10.1016/s0261-5614(17)30618-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Funakoshi T, Horimatsu T, Yamada A, Kirishima T, Mizukami T, Harada Y, Nakajima M, Nakagawa S, Matsubara T, Yanagita M, Muto M. Pharmacokinetics and safety of FOLFOX therapy in patients undergoing hemodialysis. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx388.063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Mori Y, Suzuki N, Nagasaka T, Tanioka H, Iwamoto Y, Neki Y, Yamatsuji T, Kobayashi M, Nakajima M, Ojima Y, Ikeda S, Kawamoto K, Shinozaki K, Tsuji A, Hinoi T, Yamaguchi Y, Yamashita K, Shimokawa M, Okajima M, Hazama S. Multicenter phase II study of biweekly XELIRI plus bevacizumab as a second-line therapy in patients with metastatic colorectal cancer (JSWOG-C3 study). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx393.047] [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: 11/13/2022] Open
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Abstract
OBJECTIVES To investigate clinical characteristics of ipsilateral hemiparesis in ischemic stroke patients. MATERIALS AND METHODS Patients with acute ischemic stroke were prospectively examined. Ipsilateral hemiparesis was defined as hemiparesis ipsilateral to recent stroke lesions. Patients with ipsilateral hemiparesis were examined with functional neuroimaging studies including transcranial magnetic stimulation (TMS) and functional MRI. RESULTS Of 8360 patients, ipsilateral hemiparesis was detected in 14 patients (0.17%, mean age 71±6 years, eight men). Lesions responsible for the recent strokes were located in the frontal cortex in three patients, corona radiata in seven, internal capsule in one, and pons in three. These lesions were located along the typical route of the corticospinal tract in all but one patient. Thirteen patients also had a past history of stroke contralateral to the recent lesions; 12 of these had motor deficits contralateral to past stroke lesions. During TMS, ipsilateral magnetic evoked potentials were evoked in two of seven patients and contralateral potentials were evoked in all seven. Functional MRI activated cerebral hemispheres ipsilaterally in eight of nine patients and contralaterally in all nine. CONCLUSIONS Most patients with ipsilateral hemiparesis had a past history of stroke contralateral to the recent one, resulting in motor deficits contralateral to the earlier lesions. Moreover, functional neuroimaging findings indicated an active crossed corticospinal tract in all of the examined patients. Both findings suggest the contribution of the uncrossed corticospinal tract contralateral to stroke lesions as a post-stroke compensatory motor system.
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Affiliation(s)
- Y. Inatomi
- Department of Neurology; Saiseikai Kumamoto Hospital; Kumamoto Japan
| | - M. Nakajima
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan
| | - T. Yonehara
- Department of Neurology; Saiseikai Kumamoto Hospital; Kumamoto Japan
| | - Y. Ando
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan
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Adam A, Robison J, Lu J, Jose R, Badran N, Vivas-Buitrago T, Rigamonti D, Sattar A, Omoush O, Hammad M, Dawood M, Maghaslah M, Belcher T, Carson K, Hoffberger J, Jusué Torres I, Foley S, Yasar S, Thai QA, Wemmer J, Klinge P, Al-Mutawa L, Al-Ghamdi H, Carson KA, Asgari M, de Zélicourt D, Kurtcuoglu V, Garnotel S, Salmon S, Balédent O, Lokossou A, Page G, Balardy L, Czosnyka Z, Payoux P, Schmidt EA, Zitoun M, Sevestre MA, Alperin N, Baudracco I, Craven C, Matloob S, Thompson S, Haylock Vize P, Thorne L, Watkins LD, Toma AK, Bechter K, Pong AC, Jugé L, Bilston LE, Cheng S, Bradley W, Hakim F, Ramón JF, Cárdenas MF, Davidson JS, García C, González D, Bermúdez S, Useche N, Mejía JA, Mayorga P, Cruz F, Martinez C, Matiz MC, Vallejo M, Ghotme K, Soto HA, Riveros D, Buitrago A, Mora M, Murcia L, Bermudez S, Cohen D, Dasgupta D, Curtis C, Domínguez L, Remolina AJ, Grijalba MA, Whitehouse KJ, Edwards RJ, Eleftheriou A, Lundin F, Fountas KN, Kapsalaki EZ, Smisson HF, Robinson JS, Fritsch MJ, Arouk W, Garzon M, Kang M, Sandhu K, Baghawatti D, Aquilina K, James G, Thompson D, Gehlen M, Schmid Daners M, Eklund A, Malm J, Gomez D, Guerra M, Jara M, Flores M, Vío K, Moreno I, Rodríguez S, Ortega E, Rodríguez EM, McAllister JP, Guerra MM, Morales DM, Sival D, Jimenez A, Limbrick DD, Ishikawa M, Yamada S, Yamamoto K, Junkkari A, Häyrinen A, Rauramaa T, Sintonen H, Nerg O, Koivisto AM, Roine RP, Viinamäki H, Soininen H, Luikku A, Jääskeläinen JE, Leinonen V, Kehler U, Lilja-Lund O, Kockum K, Larsson EM, Riklund K, Söderström L, Hellström P, Laurell K, Kojoukhova M, Sutela A, Vanninen R, Vanha KI, Timonen M, Rummukainen J, Korhonen V, Helisalmi S, Solje E, Remes AM, Huovinen J, Paananen J, Hiltunen M, Kurki M, Martin B, Loth F, Luciano M, Luikku AJ, Hall A, Herukka SK, Mattila J, Lötjönen J, Alafuzoff I, Jurjević I, Miyajima M, Nakajima M, Murai H, Shin T, Kawaguchi D, Akiba C, Ogino I, Karagiozov K, Arai H, Reis RC, Teixeira MJ, Valêncio CG, da Vigua D, Almeida-Lopes L, Mancini MW, Pinto FCG, Maykot RH, Calia G, Tornai J, Silvestre SSS, Mendes G, Sousa V, Bezerra B, Dutra P, Modesto P, Oliveira MF, Petitto CE, Pulhorn H, Chandran A, McMahon C, Rao AS, Jumaly M, Solomon D, Moghekar A, Relkin N, Hamilton M, Katzen H, Williams M, Bach T, Zuspan S, Holubkov R, Rigamonti A, Clemens G, Sharkey P, Sanyal A, Sankey E, Rigamonti K, Naqvi S, Hung A, Schmidt E, Ory-Magne F, Gantet P, Guenego A, Januel AC, Tall P, Fabre N, Mahieu L, Cognard C, Gray L, Buttner-Ennever JA, Takagi K, Onouchi K, Thompson SD, Thorne LD, Tully HM, Wenger TL, Kukull WA, Doherty D, Dobyns WB, Moran D, Vakili S, Patel MA, Elder B, Goodwin CR, Crawford JA, Pletnikov MV, Xu J, Blitz A, Herzka DA, Guerrero-Cazares H, Quiñones-Hinojosa A, Mori S, Saavedra P, Treviño H, Maitani K, Ziai WC, Eslami V, Nekoovaght-Tak S, Dlugash R, Yenokyan G, McBee N, Hanley DF. Abstracts from Hydrocephalus 2016. Fluids Barriers CNS 2017; 14:15. [PMID: 28929972 PMCID: PMC5471936 DOI: 10.1186/s12987-017-0054-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
- A Adam
- Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Johns Hopkins Biostatistics Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.,Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - J Robison
- Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - J Lu
- Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - R Jose
- Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - N Badran
- Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - T Vivas-Buitrago
- Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - D Rigamonti
- Johns Hopkins University, Baltimore, MD, USA.,Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia.,Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.,Johns Hopkins Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - A Sattar
- Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia.,Primary Care, Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia
| | - O Omoush
- Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia.,Primary Care, Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia
| | - M Hammad
- Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia
| | - M Dawood
- Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia
| | - M Maghaslah
- Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia
| | - T Belcher
- Johns Hopkins Aramco Healthcare, Ras Tanura, Saudi Arabia
| | - K Carson
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - J Hoffberger
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - I Jusué Torres
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - S Foley
- Department of Neurosurgery, Rhode Island Hospital, Providence, RI, USA
| | - S Yasar
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - Q A Thai
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - J Wemmer
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - P Klinge
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - L Al-Mutawa
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - H Al-Ghamdi
- Department of Neurosurgery, Rhode Island Hospital, Providence, RI, USA
| | - K A Carson
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - M Asgari
- The Interface Group, Institute of PhysiologyUniversity of Zurich, Zurich, Switzerland
| | - D de Zélicourt
- The Interface Group, Institute of PhysiologyUniversity of Zurich, Zurich, Switzerland
| | - V Kurtcuoglu
- The Interface Group, Institute of PhysiologyUniversity of Zurich, Zurich, Switzerland.,Institute of Physiology, University of Zurich, Zurich, Switzerland.,Neuroscience Center Zurich and the Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - S Garnotel
- BioFlowImage Laboratory, University of Picardie Jules Verne, Amiens, France.,Reims Mathematics Laboratory, University of Reims Champagne-Ardenne, Reims, France.,Image Processing Laboratory, University Hospital of Amiens-Picardie, Amiens, France.,BioFlowImage Laboratory, Department of Medical Image Processing, University Hospital of Picardie Jules Verne, Amiens, France
| | - S Salmon
- Reims Mathematics Laboratory, University of Reims Champagne-Ardenne, Reims, France
| | - O Balédent
- BioFlowImage Laboratory, University of Picardie Jules Verne, Amiens, France.,Image Processing Laboratory, University Hospital of Amiens-Picardie, Amiens, France.,BioFlowImage Laboratory, Department of Medical Image Processing, University Hospital of Picardie Jules Verne, Amiens, France
| | - A Lokossou
- BioFlowImage Laboratory, Department of Medical Image Processing, University Hospital of Picardie Jules Verne, Amiens, France
| | - G Page
- BioFlowImage Laboratory, Department of Medical Image Processing, University Hospital of Picardie Jules Verne, Amiens, France
| | - L Balardy
- Department of Geriatric, University Hospital of Toulouse, Toulouse, France.,Departments of Geriatric, University Hospital of Toulouse, Toulouse, France.,Department of Geriatry, University Hospital Toulouse, Toulouse, France
| | - Z Czosnyka
- Neurosciences department, University of Cambridge, Cambridge, UK.,Brain Physics Lab, Academic Neurosurgery, University of Cambridge, Cambridge, UK
| | - P Payoux
- Department of Nuclear Medicine, University Hospital of Toulouse, Toulouse, France.,Department of Nuclear Medicine, University Hospital Toulouse, Toulouse, France.,INSER TONIC 1014, Toulouse Neuroimaging Center, Toulouse, France
| | - E A Schmidt
- UMR 1214-INSERM/UPS-TONIC Toulouse Neuro-Imaging Center, Toulouse, France.,Department of Neurosurgery, University Hospital of Toulouse, Toulouse, France.,Department of Neurosurgery, University Hospital Toulouse, Toulouse, France
| | - M Zitoun
- BioFlowImage, University Hospital of Picardie Jules Verne, Amiens, France
| | - M A Sevestre
- BioFlowImage, University Hospital of Picardie Jules Verne, Amiens, France
| | - N Alperin
- University of Miami Health System, Miami, FL, USA
| | - I Baudracco
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - C Craven
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - S Matloob
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - S Thompson
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - P Haylock Vize
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - L Thorne
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - L D Watkins
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK.,The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK
| | - A K Toma
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK.,The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK
| | - Karl Bechter
- Department Psychiatry II/Bezirkskliniken, Ulm University, Günzburg, Germany
| | - A C Pong
- Neuroscience Research Australia, Randwick, Australia.,School of Medical Sciences, University of New South Wales, Kensington, Australia
| | - L Jugé
- Neuroscience Research Australia, Randwick, Australia.,School of Medical Sciences, University of New South Wales, Kensington, Australia
| | - L E Bilston
- Neuroscience Research Australia, Randwick, Australia.,Prince of Wales Clinical School, University of New South Wales, Kensington, Australia
| | - S Cheng
- Neuroscience Research Australia, Randwick, Australia.,Department of Engineering, Faculty of Science and Engineering, Macquarie University, Sydney, Australia
| | - W Bradley
- Department of Radiology, University of California San Diego Health System, San Diego, CA, USA
| | - F Hakim
- Department of Surgery, Section of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia.,Neurosurgery Department, Hospital Universitario, Fundación Santafe de Bogota, Bogota, Colombia
| | - J F Ramón
- Department of Surgery, Section of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia.,Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia.,Neurosurgery Department, Hospital Universitario, Fundación Santafe de Bogota, Bogota, Colombia
| | - M F Cárdenas
- Department of Surgery, Section of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - J S Davidson
- Department of Surgery, Section of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - C García
- Department of Surgery, Section of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - D González
- Department of Surgery, Section of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - S Bermúdez
- Department of Diagnostic Imaging, Section of Neuroradiology, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - N Useche
- Department of Diagnostic Imaging, Section of Neuroradiology, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - J A Mejía
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - P Mayorga
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - F Cruz
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - C Martinez
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - M C Matiz
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - M Vallejo
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - K Ghotme
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - H A Soto
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - D Riveros
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - A Buitrago
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - M Mora
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - L Murcia
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - S Bermudez
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - D Cohen
- Grupo de Hidrocefalia con Presión Normal, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - D Dasgupta
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
| | - C Curtis
- Department of Microbiology, University College London Hospital NHS Foundation Trust, London, UK
| | - L Domínguez
- Neurosurgery Department, Cartagena University, Cartagena de Indias, Colombia
| | - A J Remolina
- Neurosurgery Department, Cartagena University, Cartagena de Indias, Colombia
| | - M A Grijalba
- Neurosurgery Department, Cartagena University, Cartagena de Indias, Colombia
| | - K J Whitehouse
- Department of Paediatric Neurosurgery, Bristol Royal Hospital for Children, Bristol, UK
| | - R J Edwards
- Department of Paediatric Neurosurgery, Bristol Royal Hospital for Children, Bristol, UK
| | - A Eleftheriou
- Department of Neurology, University Hospital, Linköping, Sweden
| | - F Lundin
- Division of Neuroscience, Department of Clinical and Experimental Medicine (IKE), Linköping University, Linköping, Sweden
| | - K N Fountas
- Department of Neurosurgery, School of Medicine, University of Thessaly, Larisa, Greece
| | - E Z Kapsalaki
- Department of Diagnostic Radiology, School of Medicine, University of Thessaly, Larisa, Greece
| | - H F Smisson
- Department of Neurosurgery, Georgia Neurosurgical Institute, Macon, GA, USA
| | - J S Robinson
- Department of Neurosurgery, Georgia Neurosurgical Institute, Macon, GA, USA
| | - M J Fritsch
- Klinik für Neurochirurgie, Dietrich-Bonhoeffer-Klinikum, Neubrandenburg, Germany
| | - W Arouk
- Klinik für Neurochirurgie, Dietrich-Bonhoeffer-Klinikum, Neubrandenburg, Germany
| | - M Garzon
- Great Ormond Street Hospital, London, UK
| | - M Kang
- Great Ormond Street Hospital, London, UK
| | - K Sandhu
- Great Ormond Street Hospital, London, UK
| | | | - K Aquilina
- Great Ormond Street Hospital, London, UK
| | - G James
- Great Ormond Street Hospital, London, UK
| | - D Thompson
- Great Ormond Street Hospital, London, UK
| | - M Gehlen
- Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland.,Institute of Physiology, University of Zurich, Zurich, Switzerland
| | - M Schmid Daners
- Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - A Eklund
- Department of Radiation Sciences, Umeå University, Umeå, Sweden
| | - J Malm
- Department of Pharmacology and Clinical Neuroscience, Umeå University, Umeå, Sweden
| | - D Gomez
- Neurosurgery Department, Hospital Universitario, Fundación Santafe de Bogota, Bogota, Colombia
| | - M Guerra
- Instituto de Anatomía, Histología y Patología, Facultad de Medicina, UACh, Valdivia, Chile
| | - M Jara
- Instituto de Anatomía, Histología y Patología, Facultad de Medicina, UACh, Valdivia, Chile
| | - M Flores
- Laboratorio de Polímeros, Facultad de Ciencias, UACh, Valdivia, Chile
| | - K Vío
- Instituto de Anatomía, Histología y Patología, Facultad de Medicina, UACh, Valdivia, Chile
| | - I Moreno
- Laboratorio de Polímeros, Facultad de Ciencias, UACh, Valdivia, Chile
| | - S Rodríguez
- Instituto de Anatomía, Histología y Patología, Facultad de Medicina, UACh, Valdivia, Chile
| | - E Ortega
- Instituto de Neurociencias Clínicas, Facultad de Medicina, UACh, Valdivia, Chile
| | - E M Rodríguez
- Instituto de Anatomía, Histología y Patología, Facultad de Medicina, UACh, Valdivia, Chile.,Instituto de Histologia y Patologia, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - J P McAllister
- Department of Neurosurgery, St. Louis Children's Hospital, St. Louis, MO, USA
| | - M M Guerra
- Instituto de Histologia y Patologia, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - D M Morales
- Department of Neurosurgery, St. Louis Children's Hospital, St. Louis, MO, USA
| | - D Sival
- Department of Pediatrics Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - A Jimenez
- Departamento de Biología Celular, Genética y Fisiología Facultad de Ciencias, Universidad de Malaga, Malaga, Spain
| | - D D Limbrick
- Department of Neurosurgery, St. Louis Children's Hospital, St. Louis, MO, USA.,Department of Pediatrics, St. Louis Children's Hospital, St. Louis, MO, USA
| | - M Ishikawa
- Rakuwa Villa Ilios, Kyoto, Japan.,Normal Pressure Hydrocephalus Center, Otowa Hospital, Kyoto, Japan
| | - S Yamada
- Normal Pressure Hydrocephalus Center, Otowa Hospital, Kyoto, Japan.,Department of Neurosurgery, Otowa Hospital, Kyoto, Japan
| | - K Yamamoto
- Department of Neurosurgery, Otowa Hospital, Kyoto, Japan
| | - A Junkkari
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.,Neurosurgery of NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - A Häyrinen
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - T Rauramaa
- Department of Pathology, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.,Department of Pathology, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Pathology, University of Eastern Finland, Kuopio, Finland
| | - H Sintonen
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - O Nerg
- Neurology of NeuroCenter, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland.,Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland
| | - A M Koivisto
- Neurology of NeuroCenter, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland.,Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland
| | - R P Roine
- University of Eastern Finland, Kuopio Finland and Helsinki and Uusimaa Hospital DistrictGroup Administration, Helsinki, Finland
| | - H Viinamäki
- Department of Psychiatry, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - H Soininen
- Department of Neurology, University of Eastern Finland, Kuopio, Finland.,Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland
| | - A Luikku
- Neurology of NeuroCenter, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
| | - J E Jääskeläinen
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.,Department of Neurosurgery, Kuopio University Hospital, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Neurosurgery of NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - V Leinonen
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.,Department of Neurosurgery, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland.,Department of Neurosurgery, Kuopio University Hospital, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Neurosurgery of NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - U Kehler
- Neurosurgical Department, Asklepios Klinik Hamburg Altona, Hamburg, Germany
| | - O Lilja-Lund
- Department of Pharmacology and Clinical Neuroscience, Unit of Neurology, Östersund, Umeå University, Umeå, Sweden
| | - K Kockum
- Department of Pharmacology and Clinical Neuroscience, Unit of Neurology, Östersund, Umeå University, Umeå, Sweden
| | - E M Larsson
- Department of Radiology, Uppsala University, Uppsala, Sweden
| | - K Riklund
- Department of Radiation Sciences, Umeå University, Umeå, Sweden
| | - L Söderström
- Department of Pharmacology and Clinical Neuroscience, Unit of Neurology, Östersund, Umeå University, Umeå, Sweden
| | - P Hellström
- Hydrocephalus Research Unit, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - K Laurell
- Department of Pharmacology and Clinical Neuroscience, Unit of Neurology, Östersund, Umeå University, Umeå, Sweden
| | - M Kojoukhova
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.,Neurosurgery of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Department of Radiology, Kuopio University Hospital, Kuopio, Finland
| | - A Sutela
- Department of Radiology, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.,Department of Radiology, Kuopio University Hospital, Kuopio, Finland
| | - R Vanninen
- Department of Radiology, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - K I Vanha
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - M Timonen
- Neurosurgery of NeuroCenter, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - J Rummukainen
- Department of Pathology, Kuopio University Hospital, Kuopio, Finland
| | - V Korhonen
- Department of Neurosurgery, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
| | - S Helisalmi
- Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland
| | - E Solje
- Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland
| | - A M Remes
- Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland
| | - J Huovinen
- Department of Neurosurgery, Kuopio University Hospital, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - J Paananen
- Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland.,Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - M Hiltunen
- Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Department of Neurology, Kuopio University Hospital, Kuopio, Finland.,Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - M Kurki
- Department of Neurosurgery, Kuopio University Hospital, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.,Analytical and Translational Genetics Unit, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.,Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA.,Stanley Center for Psychiatric Research, Broad Institute for Harvard and MIT, Cambridge, MA, USA
| | - B Martin
- Biological Engineering, University of Idaho, Moscow, ID, USA
| | - F Loth
- Mechanical Engineering, University of Akron, Akron, Ohio, USA
| | - M Luciano
- Neurosurgery, Johns Hopkins University, Baltimore, MA, USA.,Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - A J Luikku
- Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Neurosurgery of NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - A Hall
- Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland
| | - S K Herukka
- Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland.,Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland
| | - J Mattila
- VTT Technical Research Centre of Finland, Tampere, Finland.,Combinostics Ltd, Tampere, Finland
| | - J Lötjönen
- VTT Technical Research Centre of Finland, Tampere, Finland.,Combinostics Ltd, Tampere, Finland
| | - I Alafuzoff
- Institute of Clinical Medicine-Neurology, University of Eastern Finland, Kuopio, Finland.,Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden.,Department of Pathology and Cytology, Uppsala University Hospital, Uppsala, Sweden
| | - I Jurjević
- Department of Neurosurgery, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Department of Pharmacology and Department of Neurology, University of Zagreb School of Medicine, Zagreb, Croatia
| | - M Miyajima
- Department of Neurosurgery, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - M Nakajima
- Department of Neurosurgery, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - H Murai
- Department of Neurosurgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Shin
- Department of Neurosurgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - D Kawaguchi
- Department of Neurosurgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - C Akiba
- Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - I Ogino
- Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - K Karagiozov
- Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - H Arai
- Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - R C Reis
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - M J Teixeira
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - C G Valêncio
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - D da Vigua
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - L Almeida-Lopes
- Núcleo de Pesquisa e Ensino de Fototerapia nas Ciências da Saúde (NUPEN), São Carlos, Brazil
| | - M W Mancini
- Núcleo de Pesquisa e Ensino de Fototerapia nas Ciências da Saúde (NUPEN), São Carlos, Brazil
| | - F C G Pinto
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - R H Maykot
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - G Calia
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - J Tornai
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - S S S Silvestre
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - G Mendes
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - V Sousa
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - B Bezerra
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - P Dutra
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - P Modesto
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - M F Oliveira
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - C E Petitto
- Group of Cerebral Hydrodynamics, Division of Functional Neurosurgery, Institute of Psychiatry, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - H Pulhorn
- Department of Neurosurgery, The Walton Centre, Liverpool, UK
| | - A Chandran
- Department of Neuroradiology, The Walton Centre, Liverpool, UK
| | - C McMahon
- Department of Neurosurgery, The Walton Centre, Liverpool, UK
| | - A S Rao
- The Johns Hopkins Hospital, Baltimore, MD, USA
| | - M Jumaly
- The Johns Hopkins Hospital, Baltimore, MD, USA
| | - D Solomon
- The Johns Hopkins Hospital, Baltimore, MD, USA.,Neurology, Johns Hopkins Hospital, Baltimore, MD, USA.,Department of Neurology, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA
| | - A Moghekar
- The Johns Hopkins Hospital, Baltimore, MD, USA
| | - N Relkin
- Department of Neurology, Weill Cornell Medical College, New York, NY, USA
| | - M Hamilton
- Department of Neurosurgery, University of Calgary, Alberta, Canada
| | - H Katzen
- Department of Neurology, University of Miami, Miami, FL, USA
| | - M Williams
- Department of Neurosurgery, Washington University, Seattle, WA, USA
| | - T Bach
- Utah Data Collection Center (DCC), University of Utah, Salt Lake City, UT, USA
| | - S Zuspan
- Utah Data Collection Center (DCC), University of Utah, Salt Lake City, UT, USA
| | - R Holubkov
- Utah Data Collection Center (DCC), University of Utah, Salt Lake City, UT, USA
| | | | - G Clemens
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - P Sharkey
- School of Business, Loyola University Maryland, Baltimore, MD, USA
| | - A Sanyal
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - E Sankey
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - K Rigamonti
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA
| | - S Naqvi
- Primary Care, Johns Hopkins Aramco Healthcare, Abqaiq, Saudi Arabia
| | - A Hung
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.,Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - E Schmidt
- Department of Neurosurgery, University Hospital Toulouse, Toulouse, France
| | - F Ory-Magne
- Department of Neurology, University Hospital Toulouse, Toulouse, France.,INSER TONIC 1014, Toulouse Neuroimaging Center, Toulouse, France
| | - P Gantet
- Department of Nuclear Medicine, University Hospital Toulouse, Toulouse, France
| | - A Guenego
- Department of Neurosurgery, University Hospital Toulouse, Toulouse, France.,Department of Neuroradiology, University Hospital Toulouse, Toulouse, France
| | - A C Januel
- Department of Neuroradiology, University Hospital Toulouse, Toulouse, France
| | - P Tall
- Department of Neuroradiology, University Hospital Toulouse, Toulouse, France
| | - N Fabre
- Department of Neurology, University Hospital Toulouse, Toulouse, France
| | - L Mahieu
- Department of Ophtalmology, University Hospital Toulouse, Toulouse, France
| | - C Cognard
- Department of Neuroradiology, University Hospital Toulouse, Toulouse, France
| | - L Gray
- Department of Physiology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | | | - K Takagi
- Normal Pressure Hydrocephalus Center, Kashiwa-Tanaka Hospital, Kashiwa, Japan
| | - K Onouchi
- Department of Neurology, Kashiwa-Tanaka Hospital, Kashiwa, Japan
| | - S D Thompson
- The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK
| | - L D Thorne
- The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK
| | - H M Tully
- Department of Neurology, University of Washington, Seattle, WA, USA
| | - T L Wenger
- Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - W A Kukull
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - D Doherty
- Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - W B Dobyns
- Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - D Moran
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - S Vakili
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - M A Patel
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - B Elder
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - C R Goodwin
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - J A Crawford
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - M V Pletnikov
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - J Xu
- F. M. Kirby Research Center for Functional Brain Imaging at the Kennedy Krieger Institute, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - A Blitz
- Department of Radiology and Radiological Science, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - D A Herzka
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - H Guerrero-Cazares
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - A Quiñones-Hinojosa
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.,Department of Oncology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - S Mori
- Department of Radiology-Magnetic Resonance Research, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - P Saavedra
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - H Treviño
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - K Maitani
- Department of Neurosurgery, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.,Tohoku University School of Medicine, Sendai, Japan
| | - W C Ziai
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - V Eslami
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - S Nekoovaght-Tak
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - R Dlugash
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - G Yenokyan
- Department of Biostatistics, The Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - N McBee
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - D F Hanley
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
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43
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Kyung WS, Huh SS, Koh YY, Choi KY, Nakajima M, Eisaki H, Denlinger JD, Mo SK, Kim C, Kim YK. Enhanced superconductivity in surface-electron-doped iron pnictide Ba(Fe 1.94Co 0.06) 2As 2. Nat Mater 2016; 15:1233-1236. [PMID: 27525569 DOI: 10.1038/nmat4728] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 07/14/2016] [Indexed: 06/06/2023]
Abstract
The superconducting transition temperature (TC) in a FeSe monolayer on SrTiO3 is enhanced up to 100 K (refs ,,,). High TC is also found in bulk iron chalcogenides with similar electronic structure to that of monolayer FeSe, which suggests that higher TC may be achieved through electron doping, pushing the Fermi surface (FS) topology towards leaving only electron pockets. Such an observation, however, has been limited to chalcogenides, and is in contrast to the iron pnictides, for which the maximum TC is achieved with both hole and electron pockets forming considerable FS nesting instability. Here, we report angle-resolved photoemission characterization revealing a monotonic increase of TC from 24 to 41.5 K upon surface doping on optimally doped Ba(Fe1-xCox)2As2. The doping changes the overall FS topology towards that of chalcogenides through a rigid downward band shift. Our findings suggest that higher electron doping and concomitant changes in FS topology are favourable conditions for the superconductivity, not only for iron chalcogenides, but also for iron pnictides.
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Affiliation(s)
- W S Kyung
- Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Republic of Korea
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 151-742, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Republic of Korea
| | - S S Huh
- Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Republic of Korea
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 151-742, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Republic of Korea
| | - Y Y Koh
- Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
| | - K-Y Choi
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 151-742, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Republic of Korea
| | - M Nakajima
- Department of Physics, Osaka University 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - H Eisaki
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8568, Japan
| | - J D Denlinger
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - S-K Mo
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - C Kim
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 151-742, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Republic of Korea
| | - Y K Kim
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 151-742, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Republic of Korea
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Department of Physics, KAIST, Daejon 34141, Republic of Korea
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44
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Kanazawa I, Sasaki T, Yamada K, Saito M, Satou Y, Nakajima M, Komagata S. Topological quasi-hydrogen, topological quasi-positronium, and soliton-catalytic effect on hydrogen-adsorbed Ni(111) surface. SURF INTERFACE ANAL 2016. [DOI: 10.1002/sia.6111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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)
- I. Kanazawa
- Department of Physics; Tokyo Gakugei University; Nukuikita-machi 4-1-1 Koganei-shi 184-8501 Tokyo Japan
| | - T. Sasaki
- Department of Physics; Tokyo Gakugei University; Nukuikita-machi 4-1-1 Koganei-shi 184-8501 Tokyo Japan
| | - K. Yamada
- Graduate School of Pure and Applied Science, Materials Science Division; University of Tsukuba; 1-1-1 Ten-hodai Tsukuba Ibaraki 305-8577 Japan
| | - M. Saito
- Department of Physics; Tokyo Gakugei University; Nukuikita-machi 4-1-1 Koganei-shi 184-8501 Tokyo Japan
| | - Y. Satou
- Department of Physics; Tokyo Gakugei University; Nukuikita-machi 4-1-1 Koganei-shi 184-8501 Tokyo Japan
| | - M. Nakajima
- Department of Physics; Tokyo Gakugei University; Nukuikita-machi 4-1-1 Koganei-shi 184-8501 Tokyo Japan
| | - S. Komagata
- Department of Physics; Tokyo Gakugei University; Nukuikita-machi 4-1-1 Koganei-shi 184-8501 Tokyo Japan
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45
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Hashimoto M, Ito Y, Takahashi R, Nakajima M, Matsubayashi F, Saotome S, Kitamura N, Sato T, Kozuka T, Oguchi M. Four-Dimensional Dose Reconstruction for Lung Cancer in Volumetric Modulated Arc Therapy. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2160] [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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46
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Suzuki T, Miyake N, Tsurusaki Y, Okamoto N, Alkindy A, Inaba A, Sato M, Ito S, Muramatsu K, Kimura S, Ieda D, Saitoh S, Hiyane M, Suzumura H, Yagyu K, Shiraishi H, Nakajima M, Fueki N, Habata Y, Ueda Y, Komatsu Y, Yan K, Shimoda K, Shitara Y, Mizuno S, Ichinomiya K, Sameshima K, Tsuyusaki Y, Kurosawa K, Sakai Y, Haginoya K, Kobayashi Y, Yoshizawa C, Hisano M, Nakashima M, Saitsu H, Takeda S, Matsumoto N. Molecular genetic analysis of 30 families with Joubert syndrome. Clin Genet 2016; 90:526-535. [PMID: 27434533 DOI: 10.1111/cge.12836] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 06/27/2016] [Accepted: 07/14/2016] [Indexed: 02/02/2023]
Abstract
Joubert syndrome (JS) is rare recessive disorders characterized by the combination of hypoplasia/aplasia of the cerebellar vermis, thickened and elongated superior cerebellar peduncles, and a deep interpeduncular fossa which is defined by neuroimaging and is termed the 'molar tooth sign'. JS is genetically highly heterogeneous, with at least 29 disease genes being involved. To further understand the genetic causes of JS, we performed whole-exome sequencing in 24 newly recruited JS families. Together with six previously reported families, we identified causative mutations in 25 out of 30 (24 + 6) families (83.3%). We identified eight mutated genes in 27 (21 + 6) Japanese families, TMEM67 (7/27, 25.9%) and CEP290 (6/27, 22.2%) were the most commonly mutated. Interestingly, 9 of 12 CEP290 disease alleles were c.6012-12T>A (75.0%), an allele that has not been reported in non-Japanese populations. Therefore c.6012-12T>A is a common allele in the Japanese population. Importantly, one Japanese and one Omani families carried compound biallelic mutations in two distinct genes (TMEM67/RPGRIP1L and TMEM138/BBS1, respectively). BBS1 is the causative gene in Bardet-Biedl syndrome. These concomitant mutations led to severe and/or complex clinical features in the patients, suggesting combined effects of different mutant genes.
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Affiliation(s)
- T Suzuki
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - N Miyake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Y Tsurusaki
- Clinical Research Institute, Kanagawa Children's Medical Center, Yokohama, Japan
| | - N Okamoto
- Department of Medical Genetics, Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan
| | - A Alkindy
- Department of Genetics, Sultan Qaboos University Hospital, Muscat, Oman
| | - A Inaba
- Yokohama City University Medical Center, Children's Medical Center, Yokohama, Japan
| | - M Sato
- Division of Nephrology and Rheumatology, National Center for Child Health and Development, Tokyo, Japan
| | - S Ito
- Department of Pediatrics, Graduate school of Medicine, Yokohama City University, Yokohama, Japan
| | - K Muramatsu
- Department of Pediatrics, Gunma University Graduate School of Medicine, Gunma, Japan
| | - S Kimura
- Kumamoto City Child Development Support Center, Kumamoto, Japan
| | - D Ieda
- Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - S Saitoh
- Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - M Hiyane
- Division of Child Neurology, Okinawa Prefectural Southern Medical Center & Children's Medical Center, Okinawa, Japan
| | - H Suzumura
- Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan
| | - K Yagyu
- Department of Child and Adolescent Psychiatry, Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - H Shiraishi
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Hokkaido, Japan
| | - M Nakajima
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Hokkaido, Japan
| | - N Fueki
- Division of Rehabilitation, Nagano Children's Hospital, Nagano, Japan
| | - Y Habata
- Department of Pediatric Rehabilitation, Hokkaido Medical Center for Child Health and Rehabilitation, Hokkaido, Japan
| | - Y Ueda
- Nire-no-kai Children's Clinic, Hokkaido, Japan
| | - Y Komatsu
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - K Yan
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - K Shimoda
- Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Y Shitara
- Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - S Mizuno
- Department of Pediatrics, Central Hospital, Aichi Human Service Center, Aichi, Japan
| | - K Ichinomiya
- Department of Neonatology, Gunma Children's Medical Center, Gunma, Japan
| | - K Sameshima
- Division of Medical Genetics, Gunma Children's Medical Center, Gunma, Japan
| | - Y Tsuyusaki
- Division of Neurology, Clinical Research Institute, Kanagawa Children's Medical Center, Yokohama, Japan
| | - K Kurosawa
- Division of Medical Genetics, Clinical Research Institute, Kanagawa Children's Medical Center, Yokohama, Japan
| | - Y Sakai
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - K Haginoya
- Department of Pediatric Neurology, Miyagi Children's Hospital, Sendai, Japan
| | - Y Kobayashi
- Department of Pediatrics, Gunma University Graduate School of Medicine, Gunma, Japan.,Academic Renal Unit, School of Clinical Science, University of Bristol, Bristol, UK
| | - C Yoshizawa
- Department of Pediatrics, Gunma University Graduate School of Medicine, Gunma, Japan
| | - M Hisano
- Department of Nephrology, Chiba Children's Hospital, Chiba, Japan
| | - M Nakashima
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - H Saitsu
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Department of Biochemistry, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - S Takeda
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - N Matsumoto
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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47
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Koyama Y, Kamiya Y, Moro K, Miura K, Nagahashi M, Tatsuda K, Tsuchida J, Nakajima M, Toshikawa C, Ikarashi M, Sakata J, Kobayashi T, Kameyama H, Baba H, Wakai T. MON-P247: Efficacy of Pectoral Nerves Block at Breast Cancer Surgery for Maintaining Postoperative Appetite: A Prospective Double-Blinded Randomaized Controlled Study. Clin Nutr 2016. [DOI: 10.1016/s0261-5614(16)30881-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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48
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Syukri F, Nakajima T, Nakajima M. Can multilocus heterozygosity reveal inbreeding depression? J Environ Biol 2016; 37:845-853. [PMID: 28779747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Inbred lines of fish have been widely exploited as model organisms to determine the effect of inbreeding, which is often closely related to fitness such as endurance and productivity compared to morphological traits. Until now, much is unknown about the effects of inbreeding to fish. In the present study, inbred lines of guppies were used to examine the inbreeding effect on morphological traits corresponding to genotype variation. Two strains, called AY and NA1, were selected from the closed culture system. Both strains showed different levels of inbreeding coefficients when compared to microsatellite markers. The AY strain was less inbred as compared to NA1 strain. However, correlation between the standard lengths with multilocus heterozygosity (MLH) at the individual level was observed in the AY, but not in the NA1 strain. This indicated that highly inbred animals have higher similarity in morphological traits as compared to less inbred ones. The inbreeding process showed the importance of heterozygosity, even in laboratory-reared animals. This experiment illustrated the effects of inbreeding towards morphological and genetic changes. ?
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49
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Mori A, Yamashita S, Nakajima M, Hori H, Tawara A, Matsuo Y, Misumi Y, Ando Y. CMAP decrement as a potential diagnostic marker for ALS. Acta Neurol Scand 2016; 134:49-53. [PMID: 26434688 DOI: 10.1111/ane.12510] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVE We previously reported that decrement of compound muscle action potential (CMAP) by repetitive nerve stimulation (RNS) was greater in the median nerves than in the ulnar nerves of patients with amyotrophic lateral sclerosis (ALS). The aim of this study was to evaluate whether CMAP decrement by RNS is a feasible marker for the differentiation of ALS from other diseases. MATERIALS & METHODS We performed RNS in the median and ulnar nerves of 51 patients with ALS and 40 patients with other diseases. RESULTS The CMAP decrement was significantly greater in the median nerves of patients with ALS, compared to the disease control patients. In the median nerves of patients with ALS, CMAP decrement was significantly greater in the cervical region-onset group than in the other region-onset group. CONCLUSIONS The finding of CMAP decrement in the median nerves can be useful for differentiating ALS patients with cervical region onset from other controls with active neuropathic diseases.
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Affiliation(s)
- A. Mori
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - S. Yamashita
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - M. Nakajima
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - H. Hori
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - A. Tawara
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - Y. Matsuo
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - Y. Misumi
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - Y. Ando
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
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50
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Mishev V, Nakajima M, Eisaki H, Eisterer M. Effects of introducing isotropic artificial defects on the superconducting properties of differently doped Ba-122 based single crystals. Sci Rep 2016; 6:27783. [PMID: 27301665 PMCID: PMC4908418 DOI: 10.1038/srep27783] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 05/23/2016] [Indexed: 11/09/2022] Open
Abstract
The effects of isotropic artifical defects, introduced via fast neutron (E > 0.1 MeV) irradiation, on the physical properties of differently (Co, P and K) doped BaFe2As2 superconducting single crystals were studied. The Co- and P-doped single crystals showed a second peak in the magnetization curve (fishtail effect) in the pristine state. Significant variations in the radiation-induced changes in the critical current density Jc were observed in the different types of crystal, while the irreversibility fields did not change remarkably. The highest Jcs were obtained for the K-doped crystal, exceeding 3 × 10(10) Am(-2) (T = 5 K, B = 4 T) and remaining above 8.5 × 10(9) Am(-2) at 30 K and 1 T. The pinning force was analyzed to compare the pinning mechanisms of the individual samples. While distinct differences were found before the irradiation, the same pinning behavior prevails afterwards. The pinning efficiency η = Jc/Jd was estimated from the depairing current density Jd. η was similar in all irradiated crystals and comparable to the value in neutron irradiated cuprates, suggesting that the huge critical current densities measured in the irradiated K-doped crystal are due to its large depairing current density, making this compound the most promising for applications.
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Affiliation(s)
- V Mishev
- Atominstitut, TU Wien, Stadionallee 2, 1020 Vienna, Austria
| | - M Nakajima
- Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
| | - H Eisaki
- Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
| | - M Eisterer
- Atominstitut, TU Wien, Stadionallee 2, 1020 Vienna, Austria
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