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Fujiwara M, Shoji S, Murakami Y. Controlled Release of Phosphate Fertilizer Using Silica Microcapsules. CHEM LETT 2019. [DOI: 10.1246/cl.190192] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Nishibuchi I, Murakami Y, Imano N, Takeuchi Y, Takahashi I, Kimura T, Nagata Y. Salvage Radiation Therapy with Elective Nodal Irradiation for Superficial Esophageal Cancer after Incomplete Endoscopic Resection. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Takahashi I, Imano N, Takeuchi Y, Nishibuchi I, Kimura T, Murakami Y, Nagata Y. A Simplified Three-Isocenter VMAT for Craniospinal Irradiation. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kimura T, Doi Y, Aikata H, Imano N, Takeuchi Y, Takahashi I, Nishibuchi I, Katsuta T, Kenjo M, Murakami Y, Awai K, Chayama K, Nagata Y. Comparison of Stereotactic Body Radiation Therapy Combined with or without Transcatheter Arterial Chemoembolization for Patients with Small Hepatocellular Carcinoma Ineligible for Resection or Ablation Therapies. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Nishimura Y, Kodaira T, Ito Y, Tsuchiya K, Murakami Y, Saitoh J, Akimoto T, Nakata K, Yoshimura M, Teshima T, Toshiyasu T, Ota Y, Ishikawa K, Shimizu H, Minemura T, Ishikura S, Shibata T, Nakamura K, Shibata T, Hiraoka M. A Phase II Study of Two-Step Intensity Modulated Radiation Therapy (IMRT) with Chemotherapy for Loco-Regionally Advanced Nasopharyngeal Cancer (NPC) (JCOG1015). Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Tsukinoki R, Murakami Y, Miura K, Okamura T, Kadota A, Hayakawa T, Okayama A, Ueshima H. The relationship between healthy life expectancy and smoking, hypertension and body mass index in a Japanese population: A multistate life table method using Nippon Data90. Rev Epidemiol Sante Publique 2018. [DOI: 10.1016/j.respe.2018.05.238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Murakami Y, Tsukinoki R, Miura K, Okamura T, Kadota A, Okayama A, Ueshima H. Comparison of methods for calculating healthy life expectancy in a Japanese population: An analysis of Nippon Data90. Rev Epidemiol Sante Publique 2018. [DOI: 10.1016/j.respe.2018.05.247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Mizumoto T, Hiyama T, Oka S, Yorita N, Kuroki K, Kurihara M, Yoshifuku Y, Sanomura Y, Urabe Y, Murakami Y, Arihiro K, Tanaka S, Chayama K. Curative Criteria After Endoscopic Resection for Superficial Esophageal Squamous Cell Carcinomas. Dig Dis Sci 2018; 63:1605-1612. [PMID: 29564670 DOI: 10.1007/s10620-018-5029-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Accepted: 03/15/2018] [Indexed: 01/11/2023]
Abstract
BACKGROUND According to the Japanese Esophageal Society (JES) guidelines, risk factors for lymph node (LN) metastasis in the muscularis mucosa (MM)/submucosa to a depth of up to 200 μm (SM1) in cases of esophageal squamous cell carcinomas (ESCCs) include the presence of lymphatic invasion (ly), venous invasion (v), infiltration pattern (INF)c, and SM1. The long-term prognoses of these patients are unclear, and there are very few reports on the validation of the curative criteria for MM/SM1 ESCCs. AIMS To examine the long-term prognoses of these patients and the risk factors for LN metastasis of MM/SM1 ESCCs after endoscopic resection (ER). METHODS This study included patients with MM/SM1 ESCCs who underwent ER at Hiroshima University Hospital from December 1990 to November 2016. We evaluated the clinicopathological characteristics of 98 patients and overall survival, disease-specific survival, recurrence-free survival, and recurrence rates in the e-curative and non-e-curative groups. RESULTS The mean observation period was 75 months. There was no significant difference in disease-specific survival rate between the e-curative and non-e-curative groups (100 vs. 98%). There was no significant difference in disease-specific survival rates between the groups (100 vs. 98%). In contrast, the LN recurrence-free survival rate in patients with INFa, ly(-), and v(-) was significantly higher than that in patients with INFb/c, ly(+), or v(+) (100 and 87%, P < 0.05). CONCLUSION Contrary to the JES guidelines, our findings suggest that new criteria (MM/SM1, INFa, negative vertical margin (VM0), ly[-], and v[-]) may be associated with curative ER without additional treatment.
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Kozuka R, Hai H, Motoyama H, Hagihara A, Fujii H, Uchida-Kobayashi S, Morikawa H, Enomoto M, Murakami Y, Kawada N, Tamori A. The presence of multiple NS5A RASs is associated with the outcome of sofosbuvir and ledipasvir therapy in NS5A inhibitor-naïve patients with chronic HCV genotype 1b infection in a real-world cohort. J Viral Hepat 2018; 25:535-542. [PMID: 29274188 DOI: 10.1111/jvh.12850] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Accepted: 11/22/2017] [Indexed: 02/06/2023]
Abstract
It is unclear whether multiple nonstructural (NS) 5A resistance-associated substitutions (RASs) correlate with the outcome of sofosbuvir (SOF) and ledipasvir (LDV) therapy. We investigated the effects of multiple NS5A RASs in NS5A inhibitor-naïve patients with chronic hepatitis C virus genotype 1b infection treated with SOF/LDV. In 313 patients treated with SOF/LDV, we assessed the effects of multiple NS5A RASs on the sustained virological response (SVR). RASs at L28, R30, L31, Q54, P58, Q62, A92, and Y93 in the NS5A region were examined by direct sequencing. The prevalence of RASs was as follows: 2.6% at L28, 8.7% at R30, 6.1% at L31, 48.7% at Q54, 9.9% at P58, 9.9% at Q62, 5.1% at A92, 13.8% at Y93, and 19.2% at L31 or Y93. A total of 133 patients had no RASs. SVR was achieved in 98.7% of the patients. SVR rates significantly differed between patients with and without the L31 or Y93 RAS (93.0% [53/57] vs 100% [250/250], P = .0011). In addition, among patients with the L31 or Y93 RAS, 29.8%, 45.6% and 24.6% had one, two and three or more NS5A RASs, respectively. The SVR rate was significantly lower in patients with the L31 or Y93 RAS with more than three NS5A RASs compared to those with fewer than three NS5A RASs (71.4% [10/14] vs 100% [43/43], P = .0025). Although the prevalence of multiple NS5A RASs at baseline was low in NS5A inhibitor-naïve patients, the presence of multiple NS5A RASs was associated with the effectiveness of SOF/LDV therapy.
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Sato T, Yamaguchi M, Murakami Y, Horigome Y, Negishi S, Kasai K. Cover Image. Orthod Craniofac Res 2018. [DOI: 10.1111/ocr.12227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Dekio I, Sakamoto M, Murakami Y, Ohkuma M. 941 Molecular, physiological, and pathological backgrounds of recently proposed three subspecies of Propionibacterium acnes. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Sato T, Yamaguchi M, Murakami Y, Horigome Y, Negishi S, Kasai K. Changes in maxillofacial morphology due to improvement of nasal obstruction in rats. Orthod Craniofac Res 2018; 21:84-89. [PMID: 29493884 DOI: 10.1111/ocr.12220] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To investigate the effect of release of experimentally introduced nasal obstruction on maxillofacial morphology and percutaneous arterial oxygen saturation (SpO2 ) in rats. MATERIALS AND METHODS Six-week-old male Wistar rats (n = 36) were divided into a control group (n = 6) and a nasal obstruction group (n = 30). In the nasal obstruction group, the right nostril was occluded with silicon, which was subsequently removed after a given experimental period (days 7, 21, 35, 49 and 63). These animals were then divided into groups D7, D21, D35, D49 and D63 (each n = 6), according to the day at which the obstruction was released. The SpO2 was measured in rats with nasal obstruction at five experimental points. The maxillofacial morphology in rats on the first day and 63 days after the start of the experiment was evaluated by microcomputed tomography. RESULTS The SpO2 was still lower at 2 weeks after the improvement of the nasal obstruction in the D49 group than in the control group. In addition, the height of the nasal maxillary complex of the D35, D49 and D63 groups was significantly decreased compared with the control group. CONCLUSIONS The results of this study suggest that long-term unilateral nasal obstruction in growing rats may affect the growth of the nasomaxillary complex and reduce the SpO2 permanently. Therefore, early improvement of nasal obstruction in rats during the growth period may improve the SpO2 and cranial development and promote normal growth and development.
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Aghai-Khozani H, Corradini M, Hayano R, Hori M, Leali M, Lodi-Rizzini E, Mascagna V, Murakami Y, Prest M, Solazzi L, Vallazza E, Venturelli L, Yamada H. Experimental technique for antiproton-nucleus annihilation cross section measurements at low energy. EPJ WEB OF CONFERENCES 2018. [DOI: 10.1051/epjconf/201818203009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The interaction of very low energy antiprotons (ps) and antineutrons (ns) with nuclei is interesting for its influence on both fundamental cosmology and nuclear physics. Measuring the annihilation cross section of antimatter on matter can help in solving the universe matter-antimatter puzzle and could give relevant hints in the definition of strong interaction model parameters as well. The ASACUSA collaboration recently measured the antiproton-carbon annihilation cross section at 5.3 MeV of kinetic energy of the incoming antiproton. The experimental apparatus consisted in a vacuum chamber containing thin foils (~0.7-1 μm) of carbon crossed by a bunched beam of antiprotons from the CERN Antiproton Decelerator (AD). The fraction of antiprotons annihilating on the target nucleons gives origin to charged pions which can be detected and counted by segmented scintillators placed outside the chamber. This work describes the experimental details of the apparatus and the technique to perform the cross section measurements.
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Aghai–Khozani H, Bianconi A, Corradini M, Hayano R, Hori M, Leali M, Lodi–Rizzini E, Mascagna V, Murakami Y, Prest M, Vallazza E, Venturelli L, Yamada H. Antiproton-nucleus annihilation cross section at low energy. EPJ WEB OF CONFERENCES 2018. [DOI: 10.1051/epjconf/201818203013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The antinucleon-nuclei annihilation cross sections at low energies were systematically measured at CERN in the 80’s and 90’s with the LEAR facility and later with the Antiproton Decelerator. Unfortunately only few data exist for very low energy antiprotons (p<500 MeV/c) on medium and heavy nuclei. A deeper knowledge is required by fundamental physics and can have consequence also in cosmology and medical physics. In order to fill the gap, the ASACUSA Collaboration has very recently measured the annihilation cross section of 100 MeV/c antiprotons on carbon. In the present work the experimental result is presented together with a comparison both with the antineutron data on the same target at the same energies and with the other existing antiproton data at higher energies.
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Urushihara H, Murakami Y, Matsui K, Tashiro S. [Nationwide Survey on Informed Consent and Ethical Review at Hospitals Conducting Post-marketing Studies Sponsored by Pharmaceutical Companies]. YAKUGAKU ZASSHI 2018; 138:63-71. [PMID: 28943593 DOI: 10.1248/yakushi.17-00109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Under the Japanese drug regulatory system, post-marketing studies (PMS) must be in compliance with Good Post-marketing Study Practice (GPSP). The GPSP Ordinance lacks standards for the ethical conduct of PMSs; although only post-marketing clinical trials are subject to Good Clinical Practice. We conducted a web-based questionnaire survey on the ethical conduct of PMSs in collaboration with the Japanese Society of Hospital Pharmacists and pharmacists belonging to the Society. 1819 hospitals around Japan answered the questionnaire, of which 503 hospitals had conducted company-sponsored PMSs in 2015. 40.2% of the hospitals had obtained informed consent from participating patients in at least one PMS conducted in 2015, the majority of which was in written form. The first and second most frequent reasons for seeking informed consent in PMSs were to meet protocol requirements, followed by the requirement to meet institutional standard operational procedures and the request of the ethical review board of the hospital. Ethical review of PMSs was conducted in 251 hospitals. Despite a lack of standards for informed consent and ethical review in PMSs, a considerable number of study sites employed informed consent and ethical review for PMSs. While company policies and protocols are likely to be major determinants of the ethical conduct of PMSs, the governmental regulatory agency should also play a significant role in implementing a standardized ethical code for the conduct of PMSs.
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Kubo K, Kimura T, Aikata H, Takahashi S, Takeuchi Y, Takahashi I, Nishibuchi I, Murakami Y, Chayama K, Nagata Y. Long-Term Results of Stereotactic Body Radiation Therapy for Patients With Small Hepatocellular Carcinoma Ineligible for Resection or Ablation Therapies. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nakamura N, Tamagawa-Mineoka R, Yasuike R, Masuda K, Matsunaka H, Murakami Y, Yokosawa E, Katoh N. 368 Interleukin-33 expression is elevated in the horny layer of patients with atopic dermatitis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Takahashi I, Takeuchi Y, Nishibuchi I, Kimura T, Murakami Y, Nagata Y. A Zinc Chelator 5CHQ Protects Mice from Radiation-Induced Gastrointestinal Syndrome. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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69
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Kimura T, Hioki K, Aikata H, Kubo K, Takahashi S, Takeuchi Y, Takahashi I, Nishibuchi I, Murakami Y, Chayama K, Nagata Y. Repeated Stereotactic Body Radiotherapy for Intra-Hepatic Recurrent Hepatocellular Carcinoma. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nishibuchi I, Murakami Y, Imano N, Takeuchi Y, Takahashi I, Miki K, Saito A, Kimura T, Wadasaki K, Nagata Y. Long-Term Results of Definitive Chemoradiation Therapy for Elderly Patients With Esophageal Cancer. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Motomura C, Matsuzaki H, Ono R, Iwata M, Okabe K, Akamine Y, Wakatsuki M, Murakami Y, Taba N, Odajima H. Aspirin is an enhancing factor for food-dependent exercise-induced anaphylaxis in children. Clin Exp Allergy 2017; 47:1497-1500. [PMID: 28892197 DOI: 10.1111/cea.13026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Sasaki S, Hashimoto K, Kobayashi R, Itoh K, Iguchi S, Nishio Y, Ikemoto Y, Moriwaki T, Yoneyama N, Watanabe M, Ueda A, Mori H, Kobayashi K, Kumai R, Murakami Y, Müller J, Sasaki T. Crystallization and vitrification of electrons in a glass-forming charge liquid. Science 2017; 357:1381-1385. [PMID: 28963251 DOI: 10.1126/science.aal3120] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 08/23/2017] [Indexed: 11/03/2022]
Abstract
Charge ordering (CO) is a phenomenon in which electrons in solids crystallize into a periodic pattern of charge-rich and charge-poor sites owing to strong electron correlations. This usually results in long-range order. In geometrically frustrated systems, however, a glassy electronic state without long-range CO has been observed. We found that a charge-ordered organic material with an isosceles triangular lattice shows charge dynamics associated with crystallization and vitrification of electrons, which can be understood in the context of an energy landscape arising from the degeneracy of various CO patterns. The dynamics suggest that the same nucleation and growth processes that characterize conventional glass-forming liquids guide the crystallization of electrons. These similarities may provide insight into our understanding of the liquid-glass transition.
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Nanao H, Murakami Y, Sato O, Yamaguchi A, Hiyoshi N, Shirai M. Furfuryl Alcohol and Furfural Hydrogenation over Activated Carbon–supported Palladium Catalyst in Presence of Water and Carbon Dioxide. ChemistrySelect 2017. [DOI: 10.1002/slct.201700382] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Matsumura S, Sato R, Nakaoka S, Yokotani W, Murakami Y, Kataoka Y, Ura Y. Palladium-Catalyzed Aerobic Synthesis of Terminal Acetals from Vinylarenes Assisted by π-Acceptor Ligands. ChemCatChem 2017. [DOI: 10.1002/cctc.201700309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Matsumura S, Sato R, Nakaoka S, Yokotani W, Murakami Y, Kataoka Y, Ura Y. Palladium-Catalyzed Aerobic Synthesis of Terminal Acetals from Vinylarenes Assisted by π-Acceptor Ligands. ChemCatChem 2017. [DOI: 10.1002/cctc.201601517] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Uemura K, Satoi S, Motoi F, Kwon M, Unno M, Murakami Y. Randomized clinical trial of duct-to-mucosa pancreaticogastrostomy versus handsewn closure after distal pancreatectomy. Br J Surg 2017; 104:536-543. [PMID: 28112814 DOI: 10.1002/bjs.10458] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 10/08/2016] [Accepted: 11/14/2016] [Indexed: 12/18/2022]
Abstract
BACKGROUND Postoperative pancreatic fistula (POPF) remains a major cause of morbidity after distal pancreatectomy. The aim of this study was to investigate whether duct-to-mucosa pancreaticogastrostomy of the pancreatic stump decreased clinical POPF formation compared with handsewn closure after distal pancreatectomy. METHODS This multicentre RCT was performed between April 2012 and June 2014. Patients undergoing distal pancreatectomy were assigned randomly to either duct-to-mucosa pancreaticogastrostomy or handsewn closure. The primary endpoint was the incidence of clinical POPF. Secondary endpoints were rates of other complications and length of hospital stay. RESULTS Some 80 patients were randomized, and 73 patients were evaluated in an intention-to-treat analysis: 36 in the pancreaticogastrostomy group and 37 in the handsewn closure group. The duration of operation was significantly longer in the pancreaticogastrostomy group than in the handsewn closure group (mean 268 versus 197 min respectively; P < 0·001). The incidence of clinical POPF did not differ between groups (7 of 36 versus 7 of 37; odds ratio (OR) 1·03, 95 per cent c.i. 0·32 to 3·10; P = 1·000). The rate of intra-abdominal fluid collection was significantly lower in the pancreaticogastrostomy group (6 of 36 versus 21 of 37; OR 0·15, 0·05 to 0·45; P < 0·001). There were no statistically significant differences in the rates of other complications or length of hospital stay. CONCLUSION Duct-to-mucosa pancreaticogastrostomy did not reduce the incidence of clinical POPF compared with handsewn closure of the pancreatic stump after distal pancreatectomy. Registration number UMIN000007426 (http://www.umin.ac.jp).
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Ohta H, Takebe Y, Murakami Y, Takahama Y, Morimura S. Tyramine and β-phenylethylamine, from fermented food products, as agonists for the human trace amine-associated receptor 1 (hTAAR1) in the stomach. Biosci Biotechnol Biochem 2017; 81:1002-1006. [PMID: 28084165 DOI: 10.1080/09168451.2016.1274640] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The aromatic amines tyramine and β-phenylethylamine are abundant in fermented foods. Recently, a family of human trace amine-associated receptors (hTAARs) was discovered that responds to these compounds. This study examined the expression of hTAAR genes in five human organs. Among them, the stomach expressed hTAAR1 and hTAAR9. Interestingly, more hTAAR1 was expressed in the pylorus than in the other stomach regions. The CRE-SEAP reporter assay revealed that only hTAAR1 functioned as a Gs-coupled receptor in response to tyramine and β-phenylethylamine stimulation. The β-phenylethylamine-mediated hTAAR1 activity could be potentiated using 3-isobutyl-1-methylxanthine. These data suggest that tyramine and β-phenylethylamine in fermented foods act at hTAAR1 as agonists in the pylorus of stomach.
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Honda T, Ishigami M, Ishizu Y, Kuzuya T, Hayashi K, Ishikawa T, Murakami Y, Iwadate M, Umeyama H, Toyoda H, Kumada T, Katano Y, Goto H, Hirooka Y. Core I97L mutation in conjunction with P79Q is associated with persistent low HBV DNA and HBs antigen clearance in patients with chronic hepatitis B. Clin Microbiol Infect 2016; 23:407.e1-407.e7. [PMID: 27998820 DOI: 10.1016/j.cmi.2016.12.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 11/21/2016] [Accepted: 12/12/2016] [Indexed: 01/04/2023]
Abstract
OBJECTIVES When considering treatment for chronic hepatitis B (CHB), it is important to discriminate between patients with persistent low HBV DNA and patients with active hepatitis, who may proceed to cirrhosis. In this study, we sought to identify mutations in patients expected to have persistent low HBV DNA and ultimately exhibit clearance of hepatitis B surface antigen (HBsAg). METHODS Serum samples were obtained from 33 CHB genotype C patients, divided based on HBV DNA and alanine aminotransferase (ALT) levels following observation for >2 years: Group A (n=10), transient HBV DNA ≥5.0 log copies/mL and ALT ≥120 IU/L; Group B (n=11), persistent HBV DNA <5.0 and ALT <60; and Group C (n=12), persistent HBV DNA <4.0 and ALT <30. Full-length HBV sequences were compared among groups. Subsequently, 82 patients with CHB were evaluated for the I97L mutation and the additional mutation P79Q. We compared cumulative incidences of persistent low HBV DNA and HBsAg clearance in patients with or without I97L and P79Q by the Kaplan-Meier method. RESULTS Incidence of Core mutation I97L differed significantly among groups: A, 30% (3/10); B, 36.4% (4/11); C, 83.3% (10/12) (p = 0.021). Cumulative incidences of persistent low HBV DNA and HBsAg clearance were significantly higher in patients with I97L than in those with wild-type I97 (p = 0.003 and p = 0.016, respectively), and even higher in those with P79Q. CONCLUSIONS In patients with CHB, measurement of I97L and additional mutation P79Q would be useful for predicting persistent low HBV DNA, normal ALT, and HBsAg clearance.
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Watari K, Shibata T, Nishitani A, Noda M, Kawahara A, Akiba J, Murakami Y, Yano H, Kuwano M, Ono M. mTOR Ser2481 phosphorylation may be a key target limiting the therapeutic efficacy of mTORC1 inhibitors in advanced hepatocellular carcinoma. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32975-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ota T, Senaratne DNS, Preston NK, Ferrara F, Djikic D, Villemain O, Takahashi L, Niki K, Patrascu N, Benyounes N, Popa E, Diego Bellavia DB, Sundqvist M, Wei-Ting C, Papachristidis A, Djordjevic-Dikic A, Volpi C, Reis L, Nieto Tolosa J, Nishikawa H, D'angelo M, Testuz A, Mo YJ, Hashemi N, Toyota K, Nagamine K, Koide Y, Nomura T, Kurata J, Murakami Y, Kozuka Y, Ohshiro C, Thomas K, Townsend C, Wheeler S, Jacobson I, Elkington A, Balkhausen K, Bull S, Ring L, Gargani L, Carannante L, Russo V, D'alto M, Marra AM, Cittadini A, D'andrea A, Vriz O, Bossone E, Mujovic N, Dejanovic B, Peric V, Marinkovic M, Jankovic N, Orbovic B, Simic D, Sitefane F, Pernot M, Malekzadeh-Milani G, Baranger J, Bonnet D, Boudjemline Y, Uejima T, Nishikawa H, Semba H, Sawada H, Yamashita T, Sugawara M, Kayanuma H, Inoue K, Yagawa M, Takamisawa I, Umemura J, Yoshikawa T, Tomoike H, Mihalcea DJ, Mihaila S, Lungeanu L, Trasca LF, Bruja R, Neagu MS, Albu S, Cirstoiu M, Vinereanu D, Van Der Vynckt C, Gout O, Cohen A, Enache R, Jurcut R, Coman IM, Badea R, Platon P, Calin A, Beladan CC, Rosca M, Ginghina C, Popescu BA, Sonia Dell'oglio SD, Attilio Iacovoni AI, Calogero Falletta CF, Giuseppe Romano GR, Sergio Sciacca SS, Lissa Sugeng LS, Joseph Maalouf JM, Michele Pilato MP, Michele Senni MS, Cesare Scardulla CS, Francesco Clemenza FC, Salman K, Tornvall P, Ugander M, Chen ZC, Wang JJ, Fisch S, Liao RL, Roper D, Casar Demarco D, Papitsas M, Tsironis I, Byrne J, Alfakih K, Monaghan MJ, Boskovic N, Rakocevic I, Giga V, Tesic M, Stepanovic J, Nedeljkovic I, Aleksandric S, Kostic J, Beleslin B, Altman M, Annabi MS, Abouchakra L, Cucchini U, Muraru D, Badano LP, Ernande L, Derumeaux G, Teixeira R, Fernandes A, Almeida I, Dinis P, Madeira M, Ribeiro J, Puga L, Nascimento J, Goncalves L, Cambronero Sanchez FJ, Pinar Bermudez E, Gimeno Blanes JR, De La Morena Valenzuela G, Uejima T, Takahashi L, Semba H, Sawada H, Yamashita T, Lopez Fernandez T, Irazusta Cordoba FJ, Rosillo Rodriguez SO, Dominguez Melcon FJ, Meras Colunga P, Gemma D, Moreno Gomez R, Moreno Yanguela M, Lopez Sendon JL, Nguyen V, Mathieu T, Kerneis C, Cimadevilla C, Kubota N, Codogno I, Tubiana S, Estrellat C, Vahanian A, Messika-Zeitoun D, Ondrus T, Van Camp G, Di Gioia G, Barbato E, Bartunek J, Penicka M, Johnsson J, Gomez A, Alam M, Winter R. Poster Session 3The imaging examination and quality assessmentP626Value of mitral and tricuspid annular displacement to assess the interventricular systolic relationship in severe aortic valve stenosis : a Pilot studyP627Follow-up echocardiography in asymptomatic valve disease: assessing the potential economic impact of the European and American guidelines in a dedicated valve clinic, compared to standard care.P628The tricuspid valve: identification of optimal view for assessing for prolapseP629Right atrial volume by two-dimensional echocardiography in healthy subjectsP630Disturbance of inter and intra atrial conduction assessed by tissue doppler imaging in patients with medicaly controlled hypertension and prehypertension.P631Liver stiffness by shear wave elastography, new noninvasive and quantitative tool for acute variation estimation of central venous pressure in real-time?P632Weak atrial kick contribution is associated with a risk for heart failure decompensationP633Usefulness of wave intensity analysis in predicting the response to cardiac resynchronization therapyP634Early subclinical left ventricular systolic and diastolic dysfunction in gestational hypertension and preeclampsiaP635Clinical comparison of three different echocardiographic methods for left ventricular ejection fraction and LV end diastolic volume measurementP636Assessment of right ventricular-arterial coupling parameters by 3D echocardiography in patients with pulmonary hypertension receiving specific vasodilator therapyP637Prediction of right ventricular failure after left ventricular assist device implant: assessing usefulness of standard and strain echocardiographyP638Kinematic analysis of diastolic function using the novel freely available software Echo E-waves - feasibility and reproducibilityP639Evaluation of coronary flow velocity by Doppler echocardiography in the treatment of hypertension with the ARB: correlation to the histological cardiac fibrosisP640The clinical significance of limited apical ischaemia and the prognostic value of stress echocardiography - A contemporary study from a high volume centerP641Effects of intermediate stenosis of left anterior descending coronary artery on survival in patients with chronic total occlusion of right coronary arteryP642Left ventricular remodeling after a first myocardial infarction in patients with preserved ejection fraction at dischargeP643Left atrial size and acute coronary syndromes. Let is make simple.P644Influence of STEMI reperfusion strategy on systolic and diastolic functionP645Aortic valve resistance risk-stratifies low-gradient severe aortic stenosisP646Does permanent pacemaker implantation complicate the prognosis of patients after transcatheter aortic valve implantation?P647Influence of metabolic syndrome and diabetes on progression of calcific aortic valve stenosis - The COFRASA - GENERAC StudyP648Low referral for aortic valve replacement accounts for worse long-term outcome in low versus high gradient severe aortic stenosis with preserved ejection fractionP649The impact of right ventricular function from aortic valve replacement: A randomised study comparing minimally invasive aortic valve surgery and conventional open heart surgery. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Hihara J, Hamai Y, Emi M, Murakami Y, Kenjo M, Nagata Y, Okada M. Role of definitive chemoradiotherapy using docetaxel and 5-fluorouracil in patients with unresectable locally advanced esophageal squamous cell carcinoma: a phase II study. Dis Esophagus 2016; 29:1115-1120. [PMID: 26471962 DOI: 10.1111/dote.12433] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Definitive chemoradiotherapy (CRT) with docetaxel (DOC) and 5-fluorouracil (5-FU) is a unique regimen for esophageal cancer. In this prospective phase II study, antitumor effect and safety of CRT using DOC and 5-FU for inoperable locally advanced esophageal cancer were evaluated. DOC 7.5 mg/m2 was infused on days 1, 8, 22, and 29. 5-FU 250 mg/m2 /day was infused continuously on days 1-5, 8-12, 15-19, 22-26, 29-33, 36-40, and 43-45. Radiotherapy was given to 66 Gy in 33 fractions. Eleven patients with thoracic and five with cervical esophageal cancer were eligible. All patients had esophageal squamous cell carcinoma (ESCC). The response rate was 94%, with complete response in five patients (31%) and partial response in 10 (63%). Hematologic toxicity was mild; only one patient (6%) had Grade 1 leukopenia. Nonhematologic Grade 3 or higher adverse events were esophagitis (31%), anorexia (6%), and esophago-bronchial fistula (6%). No treatment-related deaths occurred. The median time to progression was 20 months and overall 3-year and 5-year survival were 44% and 31%, respectively. Definitive CRT using DOC and 5-FU could be performed safely, and it demonstrated a favorable antitumor effect for ESCC. This regimen might be indicated in patients in whom it is desirable to avoid myelosuppression and progression of renal impairment.
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Jingu K, Matsuo Y, Onishi H, Yamamoto T, Aoki M, Murakami Y, Yamashita H, Kakuhara H, Nemoto K, Sakayauchi T, Okamoto M, Niibe Y, Ogawa K. Results of Stereotactic Ablative Radiation Therapy for Pulmonary Oligometastases From Colorectal Cancer in Japan: A Multi-Institutional Survey Study of the Japanese Radiation Oncology Study Group (JROSG). Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Nishibuchi I, Murakami Y, Takahashi I, Takeuchi Y, Saito A, Kimura T, Nishio T, Nagata Y. Salvage Radiation Therapy for Superficial Esophageal Cancer After Incomplete Endoscopic Resection. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Nishimura Y, Kodaira T, Ito Y, Tsuchiya K, Murakami Y, Saitoh J, Akimoto T, Nakata K, Yoshimura M, Teshima T, Toshiyasu T, Ota Y, Ishikawa K, Shimizu H, Minemura T, Ishikura S, Shibata T, Nakamura K, Shibata T, Hiraoka M. A Phase II Study of Intensity Modulated Radiation Therapy (IMRT) with Chemotherapy for Locoregionally Advanced Nasopharyngeal Cancer (NPC) (JCOG1015): Acute Toxicity and Treatment Compliance. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1467] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Imano N, Nishibuchi I, Kimura T, Nakashima T, Okumura T, Murakami Y, Nagata Y. Impact of Expiratory Tumor Motion Patterns on Dose-Volume Histogram in Treatment Phase Selection of Respiratory Gating Radiation Therapy for Lung Cancer. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kimura T, Nakashima T, Saito A, Takeuchi Y, Takahashi I, Nishibuchi I, Murakami Y, Nishio T, Nagata Y. Combined Ventilation and Perfusion Imaging Correlates With the Dosimetric Parameters of Radiation Pneumonitis in Radiation Therapy Planning for Lung Cancer. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Moriyama M, Murakami Y, Ohki M, Tokumori K, Okamoto S. SU-F-I-62: A Dcm4chee Log Analyzer for Monitoring DICOM Network Performance. Med Phys 2016. [DOI: 10.1118/1.4955890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Murakami Y, Miki NH, Yang L, Zhang G, Wang LH, Yoshikawa K. Water transport properties of seven woody species from the semi-arid Mu Us Sandy Land, China. LANDSCAPE AND ECOLOGICAL ENGINEERING 2016. [DOI: 10.1007/s11355-015-0290-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Ochiai S, Murakami Y. The strengthening effects of brittle zones on ductile-fibre composites. ACTA ACUST UNITED AC 2016. [DOI: 10.1080/03063453.1976.11683564] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Yamasaki K, Murakami Y, Yokoshima T, Uchida K. Effectiveness of A School-Based Universal Prevention Program for Enhancing Self-Confiden Considering The Extended Effects Associated With Achievement of The Direct Purposes of The Program. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
IntroductionWe have developed a group of school-based universal prevention programs for children's health and adjustment. The programs are characterized by new theories such as the somatic-marker hypothesis and enjoyable methods that utilize animated stories and games. This study adopted one of the programs for the development of self-confidence.ObjectiveThe aim was to examine the effectiveness of the program. In addition to the direct purposes of the program, children's adjustments at school and homeroom class were evaluated as extended effects.MethodsParticipants were third grade children in six public elementary schools in Japan. The final sample included 442 children (219 boys and 223 girls). The program was implemented weekly in one regular 45-minute class over 8 weeks. Participants completed a battery of three questionnaires three times, 1 month before the start of the program (T1), 1 week before the start of the program (T2), and during 1 week after the last class of the program (T3).ResultsResults showed that all of the main endpoints of the program significantly improved in the intervention condition (i.e., changes from T2 to T3), compared to the control condition (i.e., changes from T1 to T2). Moreover, children's adjustment at school and homeroom class increased in the intervention condition, compared to the control condition. However, implicit affect was unchanged.ConclusionThis study suggests that the program is effective for enhancing self-confidence, along with adjustments at school and in class. Future research that examines the sustainability of the effectiveness of the program is planned.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Tian L, Choi SC, Lee HN, Murakami Y, Qi CF, Sengottuvelu M, Voss O, Krzewski K, Coligan JE. Enhanced efferocytosis by dendritic cells underlies memory T-cell expansion and susceptibility to autoimmune disease in CD300f-deficient mice. Cell Death Differ 2016; 23:1086-96. [PMID: 26768664 DOI: 10.1038/cdd.2015.161] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 10/20/2015] [Accepted: 11/19/2015] [Indexed: 12/27/2022] Open
Abstract
Homeostasis requires the immunologically silent clearance of apoptotic cells before they become pro-inflammatory necrotic cells. CD300f (CLM-1) is a phosphatidylserine receptor known to positively regulate efferocytosis by macrophages, and CD300f gene-deficient mice are predisposed to develop a lupus-like disease. Here we show that, in contrast to CD300f function in macrophages, its expression inhibits efferocytosis by DC, and its deficiency leads to enhanced antigen processing and T-cell priming by these DC. The consequences are the expansion of memory T cells and increased ANA levels in aged CD300f-deficient mice, which predispose CD300f-deficient mice to develop an overt autoimmune disease when exposed to an overload of apoptotic cells, or an exacerbated autoimmunity when combined with FcγRIIB deficiency. Thus, our data demonstrates that CD300f helps to maintain immune homeostasis by promoting macrophage clearance of self-antigens, while conversely inhibiting DC uptake and presentation of self-antigens.
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Murakami Y, Suzuki T, Nii Y, Murai S, Arima T, Kainuma R, Shindo D. Application of strain to orbital-spin-coupled system MnV2O4 at cryogenic temperatures within a transmission electron microscope. Microscopy (Oxf) 2016; 65:223-32. [PMID: 26754562 DOI: 10.1093/jmicro/dfv377] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Accepted: 11/30/2015] [Indexed: 11/14/2022] Open
Abstract
The impact of mechanical stress on the morphology of crystallographic and magnetic domains in shape-controlled specimens of an orbital-spin-coupled system, MnV2O4, was examined by cryogenic Lorentz microscopy. Because of the difference in thermal expansion coefficients of MnV2O4 and the supporting Mo mesh, compression on the order of 0.01% was applied to the thin-foil specimens near the structural/magnetic phase transformation temperatures. The extent of compression was comparable to the lattice striction associated with the cubic-to-tetragonal phase transformation in MnV2O4 The applied strain thus clearly influenced the morphology of crystallographic domains (i.e. twinning configuration in the tetragonal phase) produced during cooling. The magnetic domain structure was entirely dependent on the configuration of twinning in the tetragonal phase. The observations in this study provided useful information for understanding the relationship between the crystallographic domains and the magnetic domains in MnV2O4.
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Aghai–Khozani H, Corradini M, Hayano R, Hori M, Leali M, Lodi–Rizzini E, Mascagna V, Murakami Y, Prest M, Solazzi L, Vallazza E, Venturelli L, Yamada H. New results of the antiproton-carbon annihilation cross section measurement at low energies. EPJ WEB OF CONFERENCES 2016. [DOI: 10.1051/epjconf/201613007014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nakaoka S, Murakami Y, Kataoka Y, Ura Y. Maleimide-assisted anti-Markovnikov Wacker-type oxidation of vinylarenes using molecular oxygen as a terminal oxidant. Chem Commun (Camb) 2016; 52:335-8. [DOI: 10.1039/c5cc06746d] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Arylacetaldehydes were successfully synthesized by anti-Markovnikov Wacker-type oxidation of vinylarenes using 1 atm O2 as a terminal oxidant.
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Murakami Y, Ikeda Y, Nakatake S, Miller JW, Vavvas DG, Sonoda KH, Ishibashi T. Necrotic cone photoreceptor cell death in retinitis pigmentosa. Cell Death Dis 2015; 6:e2038. [PMID: 26720347 PMCID: PMC4720913 DOI: 10.1038/cddis.2015.385] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Matsumoto H, Murakami Y, Kataoka K, Notomi S, Mantopoulos D, Trichonas G, Miller JW, Gregory MS, Ksander BR, Marshak-Rothstein A, Vavvas DG. Membrane-bound and soluble Fas ligands have opposite functions in photoreceptor cell death following separation from the retinal pigment epithelium. Cell Death Dis 2015; 6:e1986. [PMID: 26583327 PMCID: PMC4670938 DOI: 10.1038/cddis.2015.334] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 10/09/2015] [Accepted: 10/12/2015] [Indexed: 01/30/2023]
Abstract
Fas ligand (FasL) triggers apoptosis of Fas-positive cells, and previous reports described FasL-induced cell death of Fas-positive photoreceptors following a retinal detachment. However, as FasL exists in membrane-bound (mFasL) and soluble (sFasL) forms, and is expressed on resident microglia and infiltrating monocyte/macrophages, the current study examined the relative contribution of mFasL and sFasL to photoreceptor cell death after induction of experimental retinal detachment in wild-type, knockout (FasL-/-), and mFasL-only knock-in (ΔCS) mice. Retinal detachment in FasL-/- mice resulted in a significant reduction of photoreceptor cell death. In contrast, ΔCS mice displayed significantly more apoptotic photoreceptor cell death. Photoreceptor loss in ΔCS mice was inhibited by a subretinal injection of recombinant sFasL. Thus, Fas/FasL-triggered cell death accounts for a significant amount of photoreceptor cell loss following the retinal detachment. The function of FasL was dependent upon the form of FasL expressed: mFasL triggered photoreceptor cell death, whereas sFasL protected the retina, indicating that enzyme-mediated cleavage of FasL determines, in part, the extent of vision loss following the retinal detachment. Moreover, it also indicates that treatment with sFasL could significantly reduce photoreceptor cell loss in patients with retinal detachment.
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Murakami Y, Kawabata H, Takeuchi Y, Doi Y, Okabe T, Kenjo M, Kimura T, Nagata Y. Incidence and Clinical Features of Metachronous Esophageal Cancer After Definitive Radiation Therapy for Esophageal Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kubo K, Kimura T, Sakaguchi H, Imano N, Kawabata H, Takeuchi Y, Doi Y, Okabe T, Kenjo M, Ozawa S, Murakami Y, Nagata Y. Computed Tomographic Appearance of Radiation Injuries in Lung After Two Prescribed Dose of 48Gy With Stereotactic Body Radiation Therapy. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Imano N, Kimura T, Nishibuchi I, Nakashima T, Kubo K, Sakaguchi H, Kawabata H, Takeuchi Y, Doi Y, Okabe T, Kenjo M, Ozawa S, Murakami Y, Nagata Y. A Quantitative Index for Phase Selection in Planning of Respiratory Gating Radiation Therapy for Lung Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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