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( Kiyoto Mori ),( Makoto Naganuma ),( Shinta Mizuno ),( Hiroaki Suzuki ),( Mina T. Kitazume ),( Katsuyoshi Shimamura ),( Sayako Chiba ),( Akira Sugita ),( Katsuyoshi Matsuoka ),( Tadakazu Hisamatsu ) 대한장연구학회 2018 Intestinal Research Vol.16 No.3
Background/Aims: Recent research has highlighted the importance of interactions between commensal fungi and intestinal inflammation. However, there are few studies investigating whether commensal fungi contribute to inflammation in patients with Crohn’s disease (CD). The aim of this study is to investigate reveal interactions between commensal fungi and host immune cells in CD. Methods: CD14-positive monocytes were isolated from peripheral blood mononuclear cells from healthy human volunteers and then differentiated in the presence of macrophage colony-stimulating factor (M-CSF) (referred to as M-macrophages, M-Mφs) or M-CSF and interferon-γ (IFN-γ) (referred to as M-gamma macrophages, Mγ-Mφs). Cytokine production by these in vitro differentiated macrophages in response to β-(1,3)-glucan was analyzed by flow cytometry. Expression of Dectin-1 was examined using flow cytometry, western blotting, and quantitative reverse transcription-polymerase chain reaction. Cytokine production by in vitro differentiated macrophages in response to β-(1,3)-glucan was measured in the presence of an anti-Dectin-1 receptor antagonist, anti-Syr, or an anti-Fas-1 antibody. Cytokine production by lamina propria mononuclear cells (LPMCs) derived from CD patients in response to β-(1,3)-glucan was also analyzed. Results: Mγ-Mφs produced a large amount of tumor necrosis factor-α (TNF-α) and interleukin-6 in response to β-(1,3)-glucan. Dectin-1 expression was significantly higher in Mγ-Mφs than in M-Mφs. The increase in TNF-α production by Mγ-Mφs stimulated with glucan was reversed by blocking Dectin-1, Syr or Fas-1. LPMCs derived from CD patients stimulated with β-(1,3)-glucan produced significantly higher amount of TNF-α than LPMCs derived from UC patients. Conclusions: These results suggest that commensal fungal microbiota may contribute to the pathogenesis of CD by inducing macrophages-derived pro-inflammatory cytokines. (Intest Res 2018;16:384-392)
Ken Yanai,Hiroaki Onozuka,Yuuki Kitanaka,Yuji Noguchi,Masaru Miyayama,Chikako Moriyoshi,Yoshihiro Kuroiwa,Kousuke Kurushima,Shigeo Mori 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.7
Single crystals of ferroelectric (Bi<SUB>0.5</SUB>Na<SUB>0.5</SUB>)TiO<SUB>3</SUB> were successfully grown by the top-seeded solution growth method at a high oxygen pressure of 0.9쟋Pa and their polarization switching dynamics along <100><SUB>c</SUB> and their domain structures were investigated. Piezoelectric force microscope (PFM) observations show that BNT crystals poled along <100><SUB>c</SUB>. had 71-degree domains in which the spontaneous polarization (<I>P</I><SUB>s</SUB>) vector is opposite to the poling electric fields. Synchrotronradiation single-crystal X-ray diffraction analyses and the PFM observations reveal that the polarization switching in the BNT crystals along <100><SUB>c</SUB> is achieved by a 71-degree rotation of the <I>P</I><SUB>s</SUB> vector.
Mizusaki, Junichiro,Harita, Hideki,Mori, Naoya,Dokiya, Masayuki,Tagawa, Hiroaki The Korean Ceramic Society 2000 The Korean journal of ceramics Vol.6 No.2
At the porous $La_{0.6}Ca_{0.4}MnO_{3-{\delta}}$(LCM)/YSZ electrodes of solid oxide fuel cells (SOFC), the electrochemical redox reaction of oxygen proceeds via the triple boundary (TPB) of gas/LCM/YSZ. The surface diffusion of adsorbed oxygen on LCM has been proposed as the rate determining process, assuming the gradient of oxygen chemical potential from the outer surface of porous layer to TPB. Along with the formation of this gradient, oxygen nonstoichiometry in the bulk of LCM may varies. In this paper, an electrochemical technique was described precisely to determine the variation of oxygen content in LCM of porous LCM/YSZ under polarization. It was shown that the oxygen potential in LCM layer under large cathodic polarization is much lower than that in the gas phase, being determined from the electrode potential and Nernst equation.
Relation of Serum Adiponectin Levels and Obesity with Breast Cancer: A Japanese Case-Control Study
Minatoya, Machiko,Kutomi, Goro,Shima, Hiroaki,Asakura, Sumiyo,Otokozawa, Seiko,Ohnishi, Hirofumi,Akasaka, Hiroshi,Miura, Tetsuji,Mori, Mitsuru,Hirata, Koichi Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.19
Background: It is known that obesity is one of the risk factors for breast cancer although the association may differ between ethnic groups and with the menopausal status. Recently obesity-related risk factors including serum adiponectin and insulin levels have been analyzed together with BMI in association with breast cancer risk. Materials and Methods: We measured serum high molecular weight (HMW) adiponectin and insulin levels in a hospital based case-control study, including 66 sets of Japanese female breast cancer cases and age and menopausal status matched controls. Serum levels of HMW adiponectin, insulin levels and body mass index (BMI) were examined in association with breast cancer risk with adjustment for the various known risk factors by menopausal status. Results: Women in the highest HMW adiponectin levels showed significant reduced risk of breast cancer in both pre and postmenopausal women (odds ratio (OR), 0.01; 95% confidence interval (CI), 0.00-0.26 and 0.13; 0.03-0.57, respectively). Lower BMI showed decreased breast cancer risk in both pre and postmenopausal women (OR, 0.04; 95% CI, 0.00-0.69, OR, 0.28; 95% CI, 0.07-1.11, respectively). Conclusions: These results indicated that higher serum HMW adiponectin levels and lower BMI are associated with a decreased breast cancer risk in both pre and postmenopausal women in Japan, adding evidence for the obesity link.
Study of Winding Method to Reduce Stray Loss and Stator Core Vibration of Synchronous Machine
Hiramatsu, Daisuke,Sutrisna, Kadek Fendy,Ishizuka, Hiroaki,Okubo, Masashi,Tsujikawa, Kazuma,Ueda, Takashi,Hachiya, Hideyuki,Mori, Junji,Aso, Toshiyuki,Otaka, Toru Journal of International Conference on Electrical 2013 Journal of international Conference on Electrical Vol.2 No.3
The fractional slot windings are widely used in rotating machine in order to increase the flexibility of design and improve the voltage waveform. However, the MMF wave of fractional-slot windings are found to contain unique harmonic component, which are designated as even order space flux harmonics, fractional number flux harmonics, or both. They may cause stray loss and stator core vibration. This paper proposes new winding methods "novel interspersed windings" and "expanded group windings" to reduce these harmonics. The advantages of two proposed windings are verified by using numerical analysis and measurement test of winding model.
Harunobu Matsumoto,Mototsugu Shimokawa,Kaei Nasu,Ayumi Shikama,Takaya Shiozaki,Masayuki Futagami,Kentaro Kai,Hiroaki Nagano,Taisuke Mori,Mitsutake Yano,Norihiro Sugino,Etsuko Fujimoto,Norihito Yoshiok 대한부인종양학회 2019 Journal of Gynecologic Oncology Vol.30 No.6
Objective: We conducted a retrospective, multi-institutional, collaborative study to accumulate cases of neuroendocrine carcinoma of the endometrium, to clarify its clinicopathologic features, treatment, prognosis and prognostic factors to collate findings to establish future individualized treatment regimens. To our knowledge, this is the largest case study and the first study to statistically analyze the prognosis of this disease. Methods: At medical institutions participating in the Kansai Clinical Oncology Group/Intergroup, cases diagnosed at a central pathologic review as neuroendocrine carcinoma of the endometrium between 1995 and 2014 were enrolled. We retrospectively analyzed the clinicopathologic features, treatment, prognosis and prognostic factors of this disease. Results: A total of 65 cases were registered from 18 medical institutions in Japan. Of these, 42 (64.6%) cases were diagnosed as neuroendocrine carcinoma of the endometrium based on the central pathological review and thus included in the study. Advanced International Federation of Gynecology and Obstetrics stages (stage III and IV) and pure type small cell neuroendocrine carcinoma cases had a significantly worse prognosis. Upon multivariate analysis, only histologic subtypes and surgery were significant prognostic factors. Pure type cases had a significantly worse prognosis compared to mixed type cases and complete surgery cases had a significantly better prognosis compared to cases with no or incomplete surgery. Conclusion: Our findings suggest that complete surgery improves the prognosis of neuroendocrine carcinoma of the endometrium. Even among cases with advanced disease stages, if complete surgery is expected to be achieved, clinicians should consider curative surgery to improve the prognosis of neuroendocrine carcinoma of the endometrium.
Tsuneaki Takao,Seiji Okada,Yuichiro Morishita,Takeshi Maeda,Kensuke Kubota,Ryosuke Ideta,Eiji Mori,Itaru Yugue,Osamu Kawano,Hiroaki Sakai,Takayoshi Ueta,Keiichiro Shiba 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.3
Study Design: Retrospective case series. Purpose: To clarify the influence of cervical spinal canal stenosis (CSCS) on neurological functional recovery after traumatic cervical spinal cord injury (CSCI) without major fracture or dislocation Overview of Literature: The biomechanical etiology of traumatic CSCI remains under discussion and its relationship with CSCS is one of the most controversial issues in the clinical management of traumatic CSCI. Methods: To obtain a relatively uniform background, patients non-surgically treated for an acute C3–4 level CSCI without major fracture or dislocation were selected. We analyzed 58 subjects with traumatic CSCI using T2-weighted mid-sagittal magnetic resonance imaging. The sagittal diameter of the cerebrospinal fluid (CSF) column, degree of canal stenosis, and neurologic outcomes in motor function, including improvement rate, were assessed. Results: There were no significant relationships between sagittal diameter of the CSF column at the C3–4 segment and their American Spinal Injury Association motor scores at both admission and discharge. Moreover, no significant relationships were observed between the sagittal diameter of the CSF column at the C3-4 segment and their neurological recovery during the following period. Conclusions: No relationships between pre-existing CSCS and neurological outcomes were evident after traumatic CSCI. These results suggest that decompression surgery might not be recommended for traumatic CSCI without major fracture or dislocation despite pre-existing CSCS.