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Anti-aquaporin-4 antibody(AQP4-IgG)and anti-myelin oligodendrocyte glycoprotein antibody(MOG-IgG)in the cerebrospinal fluid

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Neural Regeneration Research 2024年第5期19卷 949-950页

作者： tetsuya Akaishi Tatsuro Misu Department of Neurology Tohoku UniversitySendaiJapan

In the last decade,a new neurological disease concept known as anti-myelin oligodendrocyte glycoprotein antibody(MOG-IgG)-associated disease(MOGAD)has emerged and is currently one of the most focused research areas in the field of *** is a membrane protein mainly expressed on the surface of oligodendrocytes(Zhou et al.,2006).The exact pathogenic role of MOG-IgG in patients with MOGAD remains unclear;however,MOG-IgG has been suggested to cause tissue alterations and damage MOG-expressing cells(Zhou et al.,2006).The pathogenicity of MOG-IgG is further supported by the observation that only a few patients with acquired central nervous system(CNS)demyelinating syndromes exhibit both anti-aquaporin-4 antibody(AQP4-IgG)and MOG-IgG simultaneously,particularly with clear positivity levels of these antibodies as indicated by a cell-based assay result with a titer≥1:100(Sechi et al.,2021;Banwell et al.,2023).

关键词： AQP4 myelin

Statistical evaluation of cluster formation of relapse in neuromyelitis optica spectrum disorder

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Neural Regeneration Research 2024年第9期19卷 1888-1889页

作者： tetsuya Akaishi Ichiro Nakashima Department of Neurology Tohoku UniversitySendaiJapan Department of Neurology Tohoku Medical and Pharmaceutical UniversitySendaiJapan

Evaluating the cluster formation of clinical attacks in chronic relapsing diseases is an important statistical issue because the presence of attack clusters may influence therapeutic strategies for relapse *** recently reported the occurrence of unevenly clustered attacks in patients with anti-aquaporin-4(AQP4)antibody-positive neuromyelitis optica spectrum disorder(NMOSD)(Akaishi et al.,2020a).

关键词： AQP4 relapse

Background diseases and the number of previous intravitreal aflibercept injections on immediate intraocular pressure increase and vitreous reflux rate in phakic eyes

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International Journal of Ophthalmology(English edition) 2024年第3期17卷 545-550页

作者： tetsuya Muto Shigeki Machida Shinichiro Imaizumi Department of Ophthalmology Dokkyo Medical University Saitama Medical CenterKoshigaya 343-8555Japan Imaizumi Eye Hospital Koriyama 963-8877Japan Fukushima Medical University Fukushima 960-1295Japan

●AIM:To evaluate the effect of background diseases and number of previous intravitreal aflibercept injections(IVAIs)on immediate intraocular pressure(IOP)increase and vitreous reflux(VR)rate and to evaluate the correlation of both age and axial length with immediate IOP increase and VR rate.●METHODS:This study included 105 patients with cystoid macular edema secondary to retinal vein occlusion,35 patients with diabetic macular edema,69 patients with neovascular age-related macular degeneration(nAMD),and 12 patients with myopic choroidal neovascularization,which underwent first-time *** correlation of immediate IOP increase and VR rates with the four background diseases was ***,the correlation of age with immediate IOP increase and VR rate as well as correlation of axial length with immediate IOP increase and VR rate were ***,54 patients with nAMD were treated with IVAI>10 times(multiple IVAIs).Moreover,the correlation of immediate IOP increase and VR rates with first-time and multiple IVAIs in nAMD was determined.●RESULTS:The immediate IOP increase(P=0.16)and VR rates(P=0.50)were almost similar among the four background *** immediate postinjection IOP and age,VR rate and age,immediate postinjection IOP and axial length,or VR rate and axial length were not correlated in the four background *** immediate IOP increase(P=0.66)and VR rates(P=0.28)did not significantly differ between first-time and multiple IVAIs in nAMD.●CONCLUSION:Background diseases and number of previous IVAIs have no effect on immediate IOP increase and VR ***,age and axial length have no correlation on immediate IOP increase and VR rate.

关键词： aflibercept intraocular pressure vitreous reflux intravitreal injection

The Development of the “Monitoring Application for Inappropriate Expressions in Nursing Records”for PsyNACS^©

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Journal of Computer and Communications 2024年第5期12卷 42-52页

作者： Hirokazu Ito Yuko Yasuhara tetsuya Tanioka Department of Nursing Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan

Lengthening periods of hospitalization, increasing numbers of patients with age-related complications, and a shortage of nursing staff have been of great concern in medical psychiatry in Japan. Under these circumstances, countries such as Japan that face a super-aging society and a decline in the working-age population, have been recommended for use of advanced information and communications technology (ICT) to improve the efficiency of medical treatment and care. This study aims to develop the “Monitoring Application for Inappropriate Expressions in Nursing Records” for using PsyNACS©, which will enable psychiatric nursing plans to harness the advantages of ICT. The functions considered necessary are as follows: 1) identification of users who enter information;2) a necessary database for lists of inappropriate expressions;3) development of a matching function to recommend proper writing input and a warning function;and 4) a management function for an inappropriate expression list database. A demonstration experiment for developing the application in this study was conducted at a specialized psychiatric hospital. To introduce them to the application, nurses and nurse managers were informed about the system developed in this study, and a survey regarding their opinions on the functions of the application was conducted with ten nurse managers. The results were evaluated in terms of usefulness for nursing care, documentation, and the education of nurses from an ethical perspective. This study suggests that matching their input with an inappropriate expression database will allow nurses to record more appropriate expressions. From an ethical perspective, the ability to use appropriate expressions makes records more likely to withstand disclosure requests from patients and their families.

关键词： PsyNACS© Monitoring Application Inappropriate Expressions Nursing Records

Real-world efficacy and safety of tofacitinib treatment in Asian patients with ulcerative colitis

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World Journal of Gastroenterology 2024年第13期30卷 1871-1886页

作者： Kentaro Kojima Kenji Watanabe Mikio Kawai Soichi Yagi Koji Kaku Maiko Ikenouchi Toshiyuki Sato Koji Kamikozuru Yoko Yokoyama tetsuya Takagawa Masahito Shimizu Shinichiro Shinzaki Department of Gastroenterology Hyogo Medical UniversityNishinomiya 663-8501Japan Department of Gastroenterology Gifu University Graduate School of MedicineGifu 501-1194Japan Department of Internal Medicine for Inflammatory Bowel Disease The University of ToyamaToyama 930-0194Japan Center for Clinical Research and Education Hyogo Medical UniversityNishinomiya 663-8501Japan

BACKGROUND Real-world data on tofacitinib(TOF)covering a period of more than 1 year for a sufficient number of Asian patients with ulcerative colitis(UC)are *** To investigate the long-term efficacy and safety of TOF treatment for UC,including clinical *** We performed a retrospective single-center observational analysis of 111 UC patients administered TOF at Hyogo Medical University as a tertiary inflammatory bowel disease *** consecutive UC patients who received TOF between May 2018 and February 2020 were *** were followed up until August *** primary outcome was the clinical response rate at week *** outcomes included clinical remission at week 8,cumulative persistence rate of TOF administration,colectomy-free survival,relapse after tapering of TOF and predictors of clinical response at week 8 and week *** The clinical response and remission rates were 66.3%and 50.5%at week 8,and 47.1%and 43.5%at week 48,*** overall cumulative clinical remission rate was 61.7%at week 48 and history of anti-tumor necrosis factor-alpha(TNF-α)agents use had no influence(P=0.25).The cumulative TOF persistence rate at week 48 was significantly lower in patients without clinical remission than in those with remission at week 8(30.9%vs 88.1%;P<0.001).Baseline partial Mayo Score was significantly lower in responders vs non-responders at week 8(odds ratio:0.61,95%confidence interval:0.45-0.82,P=0.001).Relapse occurred in 45.7%of patients after TOF tapering,and 85.7%of patients responded within 4 wk after *** 6 patients with herpes zoster(HZ)developed the infection after achieving remission by *** TOF was more effective in UC patients with mild activity at baseline and its efficacy was not affected by previous treatment with anti-TNF-α*** relapsed patients responded again after re-increase of TOF and nearly half relapsed after tapering off *** attention is needed for tapering and H

关键词： Ulcerative colitis Tofacitinib Janus kinase inhibitor Real-world Biologics

From bench to bedside:Opportunities and challenges for iLABMED

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iLABMED 2024年第1期2卷 1-5页

作者： tetsuya Asakawa Yi‐Wei Tang Hongzhou Lu Institute of Neurology National Clinical Research Center for Infectious Diseasesthe Third People's Hospital of ShenzhenShenzhenGuangdongChina Medical Affairs Danaher Corporation/CepheidNew YorkNew YorkUSA Department of Infectious Disease National Clinical Research Center for Infectious Diseasesthe Third People's Hospital of ShenzhenShenzhenGuangdongChina

Since the new iLABMED was founded in June 2023,it has published three issues with 21 articles(till Dec 2023).As a journal majored in laboratory medicine,iLABMED also has to face many opportunities and challenges of laboratory *** editorial summarized the main opportunities and challenges faced by *** future prospects of laboratory medicine,which must be highlighted by iLABMED were also discussed based on a brief review of the current advances in laboratory *** will continue to provide a useful platform for general‐interested,insightful,and informative articles with high quality.

关键词： journal summarized challenges

Coprecipitation mechanisms of Zn by birnessite formation and its mineralogy under neutral pH conditions

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Journal of Environmental Sciences 2022年第11期34卷 136-147页

作者： Shota Tajima Shigeshi Fuchida Chiharu tokoro Graduate School of Creative Science and Engineering Waseda University3-4-1 OkuboShinjuku-kuTokyo 169-8555Japan Faculty of Science and Engineering Waseda University3-4-1 OkuboShinjuku-kuTokyo 169-8555Japan Faculty of Engineering The University of Tokyo7-3-1 HongoBunkyo-kuTokyo 113-8656Japan

Birnessite(δ-Mn(IV)O_(2))is a great manganese(Mn)adsorbent for dissolved divalent *** this study,we investigated the coprecipitation mechanism of δ-MnO_(2) in the presence of Zn(II)and an oxidizing agent(sodium hypochlorite)under two neutral pH values(6.0 and 7.5).Themineralogical characteristics and Zn–Mn mixed products were compared with simple surface complexation by adsorption modeling and structural *** coprecipitation experiments at different Zn/Mn molar ratios showed a Langmuir-type isotherm at pH 6.0,which was similar to the result of adsorption experiments at pH 6.0 and 7.5.X-ray diffraction and X-ray absorption fine structure analysis revealed triple-corner-sharing innersphere complexation on the vacant sites was the dominant Zn sorption mechanism on δ-MnO_(2) under these experimental conditions.A coprecipitation experiment at pH 6.0 produced some hetaerolite(ZnMn(Ⅲ)_(2)O_(4))and manganite(γ-Mn(Ⅲ)OOH),but only at low Zn/Mn molar ratios(<1).These secondary precipitates disappeared because of crystal dissolution at higher Zn/Mn molar ratios because they were thermodynamically ***(ZnMn(IV)_(3)O_(7)•2H_(2)O)was produced in the coprecipitation experiment at pH 7.5 with a high Zn/Mn molar ratio of *** resulted in a Brunauer–Emmett–Teller(BET)-type sorption isotherm,in which formation was explained by transformation of the crystalline structure ofδ-MnO_(2) to a tunnel *** experiments demonstrate that abiotic coprecipitation reactions can induce Zn–Mn compound formation on theδ-MnO_(2) surface,and that the pH is an important controlling factor for the crystalline structures and thermodynamic stabilities.

关键词： δ-MnO2 Zinc removal Surface complexation X-ray absorption fine structure

Prophylactic Pattern Scanning Laser Retinal Photocoagulation for Diabetic Retinopathy in Spontaneously Diabetic Torii Fatty Rats: Preliminary Experimental Results

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Journal of Diabetes Mellitus 2024年第3期14卷 153-165页

作者： Rina Takagi Yoshiaki Tanaka tetsuya Hasegawa Masami Shinohara Yasushi Kageyama Tomohiko Sasase Machiko Shimmura-Tomita Akihiro Kakehashi Toshikatsu Kaburaki Department of Ophthalmology Saitama Medical Center Jichi Medical University Saitama-shi Saitama-ken Japan Tokyo Animal & Diet Department CLEA Japan Inc. Tokyo Japan Biological/Pharmacological Research Laboratories Central Pharmaceutical Research Institute Japan Tobacco Inc. Takatsuki Osaka Japan

Research Background and Purpose: The number of diabetic patients is rapidly increasing, making it crucial to find methods to prevent diabetic retinopathy (DR), a leading cause of blindness. We investigated the effects of prophylactic pattern scanning laser retinal photocoagulation on DR development in Spontaneously Diabetic Torii (SDT) fatty rats as a new prevention approach. Methods: Photocoagulation was applied to the right eyes of 8-week-old Spontaneously Diabetic Torii (SDT) fatty rats, with the left eyes serving as untreated controls. Electroretinography at 9 and 39 weeks of age and pathological examinations, including immunohistochemistry for vascular endothelial growth factor and glial fibrillary acidic protein at 24 and 40 weeks of age, were performed on both eyes. Results: There were no significant differences in amplitude and prolongation of the OP waves between the right and left eyes in SDT fatty rats at 39 weeks of age. Similarly, no significant differences in pathology and immunohistochemistry were observed between the right and left eyes in SDT fatty rats at 24 and 40 weeks of age. Conclusion: Prophylactic pattern scanning retinal laser photocoagulation did not affect the development of diabetic retinopathy in SDT fatty rats.

关键词： Diabetes Pattern Scanning Laser Diabetic Retinopathy Spontaneously Diabetic Torii Fatty Rats Electroretinography

Nerve conduction models in myelinated and unmyelinated nerves based on three-dimensional electrostatic interaction

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Neural Regeneration Research 2018年第5期13卷 779-785页

作者： tetsuya Akaishi Department of Neurology Tohoku University Graduate School of Medicine Department of Neurology Yonezawa National Hospital

Until now, nerve conduction has been described on the basis of equivalent circuit model and cable theory, both of which supposed closed electric circuits spreading inside and outside the axoplasm. With these conventional models, we can simulate the propagating pattern of action potential along the axonal membrane based on Ohm＇s law and Kirchhoff＇s law. However, we could not fully explain the different conductive patterns in unmyelinated and myelinated nerves with these theories. Also, whether we can really suppose closed electrical circuits in the actual site of the nerves or not has not been fully discussed yet. In this report, a recently introduced new theoretical model of nerve conduction based on electrostatic molecular interactions within the axoplasm will be reviewed. With this new approach, we can explain the different conductive patterns in unmyelinated and myelinated nerves. This new mathematical conductive model based on electrostatic compressional wave in the intracellular fluid may also be able to explain the signal integration in the neuronal cell body and the back-propagation mechanism from the axons to the dendrites. With this new mathematical nerve conduction model based on electrostatic molecular interactions within the intracellular fluid, we may be able to achieve an integrated explanation for the physiological phenomena taking place in the nervous system.

关键词： nerve conduction ion channels electrostatic interactions electrostatic compressional wave saltatory conduction myelinated nerves unmyelinated nerves saltatory equations