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Masaki Nishiguchi,Hiroki Kikuyama,Tetsufumi Kanazawa,Atsushi Tsutsumi,Takao Kaneko,Hiroyuki Uenishi,Yasuo Kawabata,Seiya Kawashige,Jun Koh,Hiroshi Yoneda 대한신경정신의학회 2015 PSYCHIATRY INVESTIGATION Vol.12 No.4
ObjectiveaaElectroconvulsive therapy (ECT) is a reasonable option for intractable depression or schizophrenia, but a mechanism of action has not been established. One credible hypothesis is related to neural plasticity. Three genes (Oct4, Sox2, c-Myc) involved in the induction of induced pluripotent stem (iPS) cells are Wnt-target genes, which constitute a key gene group involved in neural plasticity through the TCF family. Klf4 is the other gene among Yamanaka’s four transcription factors, and increases in its expression are induced by stimulation of the canonical Wnt pathway. MethodsaaWe compared the peripheral blood gene expression of the four iPS genes (Oct4, Sox2, c-Myc, and Klf4) before and after modified ECT (specifically ECT with general anesthesia) of patients with intractable depression (n=6) or schizophrenia (n=6). Using Thymatron ten times the total bilateral electrical stimulation was evoked. ResultsaaBoth assessments of the symptoms demonstrated significant improvement after mECT stimulation. Expression of all four genes was confirmed to increase after initial stimulation. The gene expression levels after treatment were significantly different from the initial gene expression in all twelve cases at the following treatment stages: at the 3rd mECT for Oct4; at the 6th and 10th mECT for Sox2; and at the 3rd, 6th and 10th mECT for c-Myc. ConclusionaaThese significant differences were not present after correction for multiple testing; however, our data have the potential to explain the molecular mechanisms of mECT from a unique perspective. Further studie should be conducted to clarify the pathophysiological involvement of iPS-inducing genes in ECT.
Inhaled Corticosteroid and Secondary Glaucoma: A Meta-analysis of 18 Studies
Ishii Mai,Horita Nobuyuki,Takeuchi Masaki,Matsumoto Hiromi,Ebina-Shibuya Risa,Hara Yu,Kobayashi Nobuaki,Mizuki Nobuhisa,Kaneko Takeshi 대한천식알레르기학회 2021 Allergy, Asthma & Immunology Research Vol.13 No.3
Purpose Guidelines and systematic reviews frequently warn of inhaled corticosteroid (ICS)-induced glaucoma. However, most of the published studies deny it. Methods We performed a systematic review of randomized, cohort, nested-case control, cross-sectional studies by using Meta-analyses of Observational Studies in Epidemiology statement. Four major databases, PubMed, EMBASE, Cochrane Search Manager, and the Web of Science Core Collection as well as meta-analysis were used. Studies comparing incidence, prevalence and intraocular pressure (IOP) between patients who were treated with and without ICSs were included. A random-model meta-analysis was performed using the inverse variance method. Results Out of 623 studies screened, 18 with 31,665 subjects were finally included. No significant difference between the 2 groups was observed for crude glaucoma incidence (odds ratio [OR], 0.95; 95% confidence interval [CI], 0.86–1.04; P = 0.26; I 2 = 0%; P for heterogeneity = 0.57) as a primary endpoint, adjusted glaucoma incidence (OR, 0.90; 95% CI, 0.65–1.24; P = 0.64), crude prevalence (OR, 1.82; 95% CI, 0.23–14.19; P = 0.57), adjusted prevalence (OR, 1.22; 95% CI, 0.50–2.96; P = 0.66), IOP change during ICS treatment (mean difference [MD] +0.01 mmHg; 95% CI, −0.19–0.20; P = 0.95), and single measurement IOP (MD +0.37 mmHg; 95% CI, −0.24–0.97; P = 0.23). Time-to-event analysis for glaucoma development as one of the secondary endpoints (adjusted hazard ratio, 0.52; 95% CI, 0.28–0.96) suggested a reverse association between ICS and glaucoma. Conclusions The ophthalmological side effects of ICSs, such as glaucoma and intraocular hypertension, should not be exaggerated.
Synthesis of Li<sub>2</sub>SiO<sub>3</sub> using novel water-assisted solid state reaction method
WATANABE, Mizuki,INOI, Jun,KIM, Sun Woog,KANEKO, Tatsuro,TODA, Ayano,SATO, Mineo,UEMATSU, Kazuyoshi,TODA, Kenji,KOIDE, Junko,TODA, Masako,KAWAKAMI, Emiko,KUDO, Yoshiaki,MASAKI, Takaki,YOON, Dae Ho Ceramic Society of Japan 2017 JOURNAL OF THE CERAMIC SOCIETY OF JAPAN - Vol.125 No.6
<P>Single phase of orthorhombic Li2SiO3 was synthesized via a novel soft-chemical synthesis method, water assisted solid state reaction method at 343-353K for 60 min. The crystal structure of the samples was characterized by X-ray diffraction (XRD) analysis. The scanning electron microscope (SEM) observation revealed that the estimated size of the particles is 50-200 nm. The XRD patterns and SEM images were compared to those of samples by a conventional solid state method at 1173K for 4 h. (C) 2017 The Ceramic Society of Japan. All rights reserved.</P>
Angle-Resolved Photoemission Spectroscopy on Mixed-Valent Sm1−xYxS
Keiichiro Imura,Tetsuya Hajiri,Masaharu Matsunami,Shin-ichi Kimura,Masaki Kaneko,Takahiro Ito,Yusuke Nishi,Noriaki K. Sato,Hiroyuki S. Suzuki 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We report the results of angle-resolved photoemission spectroscopy (ARPES) on the Sm1−xYxSsystem, which exhibits a black-to-golden phase transition induced by yttrium substitution and by anapplied external pressure, in order to investigate the mechanism of this transition and the electronicstructure of both phases. The obtained ARPES spectrum of pure SmS (x = 0) indicates a bandinsulator, in which the shallowest electronic state is the Sm2+ 4f state at a binding energy of about0.4 eV. With increasing x, the top of the Sm2+ 4f band shifts to the lower binding energy side andtouches the Fermi level for x = 0.33. Because of the discontinuous reduction of the lattice constantin the vicinity of the black-to-golden phase transition (x 0.17), the golden phase induced byyttrium substitution is concluded to be an intermediate valence state.
Kenichi Nagaoka,Akihiro Shimizu,Katsumi Ida,Katsunori Ikeda,Katsuyoshi Tsumori,Kazuo Toi,Keisuke Matsuoka,Kiyomasa Watanabe,Masaki Osakabe,Mikiro Yoshinuma,Mitsutaka Isobe,Osamu Kaneko,Shoichi Okamura 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
The characteristics of neutral beam driven current have been investigated in helical devices, which do not need ohmic current to produce a magnetic field configuration. The neutral beam current drive experiments have been performed in a wide range of Zb/Zeff in LHD and CHS. The Z dependence of neutral beam driven current in the region of Zb/Zeff < 1 obtained by neon discharges in LHD agrees with the Ohkawa model. On the other hand, the current driven by neon beam injection in CHS cannot be explained by the Ohkawa model.