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Comparison of fecal calprotectin levels and endoscopic scores for predicting relapse in patients with ulcerative colitis in remission

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World Journal of Gastroenterology 2023年第47期29卷 6111-6121页

作者： Natsuki Ishida Tatsuhiro ito Kenichi Takahashi Yusuke Asai Takahiro Miyazu Tomohiro Higuchi Satoshi Tamura Shinya Tani Mihoko Yamade Moriya Iwaizumi Yasushi Hamaya Satoshi Osawa Ken Sugimoto Department of Endoscopic and Photodynamic Medicine Hamamatsu University of School of MedicineHamamatsu 431-3192Japan First Department of Medicine Hamamatsu University of School of MedicineHamamatsu 431-3192Japan Department of Laboratory Medicine Hamamatsu University of School of MedicineHamamatsu 431-3192Japan

BACKGROUND Although the usefulness of endoscopic scores,such as the Mayo Endoscopic Subscore(MES),Ulcerative Colitis Endoscopic Index of Severity(UCEIS),and Ulcerative Colitis Colonoscopic Index of Severity(UCCIS),and biomarkers such as fecal calprotectin(FC)for predicting relapse in ulcerative colitis(UC)has been reported,few studies have included endoscopic scores for evaluating the entire *** To compare the usefulness of FC value and MES,UCEIS,and UCCIS for predicting relapse in patients with UC in clinical *** In total,75 patients with UC in clinical and endoscopic remission who visited our institution between February 2019 and March 2022 were *** diagnosis of UC was confirmed based on the clinical presentation,endoscopic findings,and histology,according to the current established criteria for *** samples were collected the day before or after the colonoscopy for measurement of *** evaluations were performed using MES,UCEIS,and *** primary outcome measure of this study was the assessment of the association between relapse within 12 mo and MES,UCEIS,UCCIS,and *** secondary outcome was the comparison between endoscopic scores and biomarkers in en-rolled patients with UC with mucosal *** and UCCIS showed a significant correlation with UCEIS (r = 0.537, P < 0.001 and r = 0.957, P < 0.001, respectively).Receiver-operating characteristic analysis for predicting MES 0 showed that the area under the curve ofUCCIS was significantly higher than that of FC (P < 0.01). During the 1-year observation period, 18 (24%) patientsexperienced a relapse, and both the FC and UCCIS of the relapse group were significantly higher than that of theremission group. The cut-off values for predicting relapse were set at FC = 323 mg/kg and UCCIS = 10.2. The areaunder the curve of the receiver-operating characteristic analysis for predicting relapse did not show a significantdifference between FC and UCCIS. The accuracy of the

关键词： Ulcerative colitis Mayo Endoscopic Subscore Ulcerative Colitis Endoscopic Index of Severity Ulcerative Colitis Colonoscopic Index of Severity Fecal calprotectin Relapse

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Impact of comorbid renal dysfunction in patients with hepatocellular carcinoma on long-term outcomes after curative resection

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World Journal of Gastrointestinal Surgery 2022年第7期14卷 670-684页

作者： Yuzuru Sakamoto Shingo Shimada Toshiya Kamiyama Ko Sugiyama Yoh Asahi Akihisa Nagatsu Tatsuya Orimo Tatsuhiko Kakisaka Hirofumi Kamachi Yoichi M ito Akinobu Taketomi Department of Gastroenterological Surgery Hokkaido University Graduate School of MedicineSapporo 060-8638HokkaidoJapan Data Science Center Promotion UnitInstitute of Health Science Innovation for Medical CareHokkaido University HospitalSapporo 060-8648HokkaidoJapan

BACKGROUND Hepatocellular carcinoma(HCC)is one of the most common malignancies ***,the number of patients with chronic kidney disease(CKD)is on the rise because of the increase in lifestyle-related *** To establish a tailored management strategy for HCC patients,we evaluated the impact of comorbid renal dysfunction(RD),as stratified by using the estimated glomerular filtration rate(EGFR),and assessed the oncologic validity of hepatectomy for HCC patients with *** We enrolled 800 HCC patients who underwent hepatectomy between 1997 and 2015 at our university *** categorized patients into two(RD,EGFR<60 mL/min/1.73 m^(2);non-RD,EGFR≥60 mL/min/1.73 m^(2))and three groups(severe CKD,EGFR<30 mL/min/1.73 m^(2);mild CKD,30≤EGFR<60 mL/min/1.73 m2;control,EGFR≥60 mL/min/1.73 m^(2))according to renal function as defined by the *** survival(OS)and recurrence-free survival(RFS)were compared among these groups with the log-rank test,and we also analyzed survival by using a propensity score matching(PSM)model to exclude the influence of patient *** mean postoperative observation period was 64.7±53.0 *** The RD patients were significantly older and had lower serum total bilirubin,aspartate aminotransferase,and aspartate aminotransferase levels than the non-RD patients(P<0.0001,P<0.001,P<0.05,and P<0.01,respectively).No patient received maintenance hemodialysis after *** the overall postoperative complication rates were similar between the RD and non-RD patients,the proportions of postoperative bleeding and surgical site infection were significantly higher in the RD patients(5.5%vs 1.8%;P<0.05,3.9%vs 1.8%;P<0.05,respectively),and postoperative bleeding was the highest in the severe CKD group(P<0.05).Regardless of the degree of comorbid RD,OS and RFS were comparable,even after PSM between the RD and non-RD groups to exclude the influence of patient characteristics,liver function,and other causes of dea

关键词： Hepatocellular carcinoma Hepatectomy Renal dysfunction Estimated glomerular filtration rate

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The role of the CNOT1 subunit of the CCR4-NOT complex in mRNA deadenylation and cell viability

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Protein & Cell 2011年第9期2卷 755-763页

作者： Kentaro ito Akinori Takahashi Masahiro Morita Toru Suzuki Tadashi Yamamoto Division of Oncology Department of Cancer BiologyInstitute of Medical ScienceUniversity of TokyoTokyo 108-8639Japan Cell Signal Unit Okinawa Institute of Science and Technology1919-1Okinawa 904-0412Japan

The human CCR4-NOT deadenylase complex consists of at least nine enzymatic and non-enzymatic *** evidence suggests that the non-enzymatic subunits are involved in the regulation of mRNA deadenylation,although their precise roles remain to be *** this study,we addressed the function of the CNOT1 subunit by depleting its expression in HeLa *** cytometric analysis revealed that the sub G1 fraction was increased in CNOT1-depleted ***,the same level of the sub G1 fraction was seen when cells were treated with a mixture of siRNAs targeted against all enzymatic subunits,suggesting that CNOT1 depletion induces apoptosis by destroying the CCR4-NOT-associated deadenylase *** analysis revealed that CNOT1 depletion leads to a reduction in the amount of other CCR4-NOT ***,the specific activity of the CNOT6L immunoprecipitates-associated deadenylase from CNOT1-depleted cells was less than that from control *** formation of P-bodies,where mRNA decay is reported to take place,was largely suppressed in CNOT1-depleted ***,CNOT1 has an important role in exhibiting enzymatic activity of the CCR4-NOT complex,and thus is critical in control of mRNA deadenylation and mRNA *** further showed that CNOT1 depletion enhanced CHOP mRNA levels and activated caspase-4,which is associated with endoplasmic reticulum ER stress-induced *** together,CNOT1 depletion structurally and functionally deteriorates the CCR4-NOTcomplex and induces stabilization of mRNAs,which results in the increment of translation causing ER stress-mediated *** conclude that CNOT1 contributes to cell viability by securing the activity of the CCR4-NOT deadenylase.

关键词： deadenylation CCR4-NOT small interfering RNA P-bodies apoptosis

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Enamel Matrix Derivative Stimulates Osteogenesis-and Chondrogenesis-related Transcription Factors in C3H10T1/2 Cells

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Acta Biochimica et Biophysica Sinica 2007年第1期39卷 1-7页

作者： Masataka NARUKAWA Naoto SUZUKI Tadahiro TAKAYAMA Yasuhiko YAMASHITA Kichibee OTSUKA Koichi ito Department of Periodontology Nihon University School of DentistryTokyo101-8310Japan Department of Biochemistry Nihon University School of DentustryTokyo 101-8310Japan Division of Functional Morphology Dental Research CenterNihon University School of DentistryTokyo 101-8310Japan Department of Biochemistry Nihon University School of DentistryTokyo101-8310Japan Division of Functional Morphology Dental Research CenterNihon University School of DentistryTokyo101-8310Japan Division of Advanced Dental Treatment Dental Research CenterNihon University School of DentistryTokyo101-8310Japan

Our purpose was to determine how enamel matrix derivative (EMD) affects the expression ofosteogenesis- and chondrogenesis-related transcription factors in undifferentiated mesenchymal cells.C3H10T1/2 cell line,a typical pluripotential mesenchymal cell line,was cultured with or without EMD forup to 7 *** of mRNAs encoding osteogenesis-and chondrogenesis-related transcription factors(Runx2, Osterix,AJ18,Dlx5,Msx2,Sox5,Sox9 and Zfp60) was measured using real-time polymerasechain ***2 and Sox9 protein expression and the presence of bone morphogenetic protein (BMP)-6-like molecules in EMD were determined by Western *** substantially increased mRNA levels ofosteogenesis-and chondrogenesis-related transcription *** also induced Runx2 and Sox9 *** blotting analysis of EMD using anti-BMP-6 antibody revealed immunoreactive bandscorresponding to about 14 kDa and 60 *** results suggest that EMD stimulates osteogenesis- andchondrogenesis-related transcription factors,and these activities may be mediated,at least in part,by BMP-6in EMD.

关键词： enamel matrix derivative osteogenesis chondrogenesis

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Lattice Boltzmann Flow Simulation in a Combined Nanochannel

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Advances in Applied Mathematics and Mechanics 2010年第5期2卷 609-625页

作者： Kazuhiko Suga Susumu Takenaka Takahiko ito Masayuki Kaneda Department of Mechanical Engineering Osaka Prefecture UniversitySakai 599-8531Japan

The widely used micro-flow wall-boundary conditions for lattice Boltzmann method(LBM)are evaluated in a force driven combined nanochannel *** flow field consists of a two-dimensional nanochannel(mother channel)of an infinite length having flat plates of a finite length *** flat plate is set above the bottom wall of the nanochannel with a narrow *** flow,thus,develops through this narrow gap(narrower channel)and the other side of the plate(wide gap).The Knudsen number based on the mother channel height is Kn=0.14 whereas the characteristic Knudsen number in the narrower channel is *** obtain the reference data,the molecular dynamics(MD)simulation is performed with a fully diffusive wall *** LBMs are based on the lattice BGK model and with the bounce-back/specular reflection(BSBC)and the diffuse scattering(DSBC)wall boundary *** relaxation time is modified to include sensitivity to *** DSBC shows generally satisfactory results in the test flow cases including fully developed force driven Poiseuille flows,where the BSBC performs worse at Kn>0.5 with a fixed bridge coefficient of b=*** results in its overprediction of the flow rate in the narrower channel region since the characteristic Knudsen number there is *** MD simulation suggests that the flow develops gradually through the narrower channel region though all the LBM predictions show almost instant flow *** fact suggests that the relaxation time model needs to have more sensitivity to the locally defined *** discussions of the BSBC with a different set of models suggest that the regularization process is required for predicting complex nanoscale flows.

关键词： Lattice Boltzmann method Knudsen number molecular dynamics simulation nanochannel wall boundary condition slippage velocity

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Evaluation of thermal sprayed coating using ultrasonic inspection by means of bottom echo back reflection

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中国有色金属学会会刊：英文版 2009年第4期19卷 984-987页

作者： Toshifumi KUBOHORI Toru ito Wahidul lah WAHI Yasuyuki INUI Toshiro IKUTA School of Science and Engineering Kinki University

Thermal spraying technique is widely used in various mechanical parts as a surface reforming ***,as demand to maintain superior mechanical performance in harsh operating environment increases,the need for non-destructive evaluation method for thermal spray coating becomes more *** this purpose,we thinned the thickness of the thermal sprayed coating by abrasion with blasting and used ultrasonic inspection by means of bottom echo reflection for effective measurement of abrasion quantity in thermal sprayed *** results obtained are summarized as *** the thickness of thermal sprayed coating becomes thin,the echo height *** is because thermal sprayed coatings absorb ultrasonic *** energy absorbed by Al2O3 is smaller compared with Fe-13Cr *** sprayed coatings submerged in water have a lower echo height compared with *** mentioned above,the thermal sprayed coating thickness can be estimated using ultrasonic inspection by means of bottom echo back reflection.

关键词：超声波检测热喷涂层评价方法声反射底部热喷涂涂层涂层厚度能量吸收

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Direct-acting antivirals for hepatitis C virus-infected patients with hepatocellular carcinoma

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World Journal of Hepatology 2022年第6期14卷 1190-1199页

作者： Kazuto Tajiri Hiroyuki ito Kengo Kawai Yoshiro Kashii Yuka Hayashi Aiko Murayama Masami Minemura Terumi Takahara Yukihiro Shimizu Ichiro Yasuda Department of Gastroenterology Toyama University HospitalToyama 930-0194Japan Department of Gastroenterology Takaoka Municipal HospitalTakaoka 933-8550Japan Gastroenterology Center Nanto Municipal HospitalNanto 932-0211Japan Department of Gastroenterology Saiseikai Toyama HospitalToyama 931-8533Japan

BACKGROUND Hepatocellular carcinoma(HCC)in hepatitis C virus(HCV)-infected patients has a high risk of *** eradication of HCV is expected to reduce this risk,the risk in patients with a history of HCC may be high after treatment with direct-acting antivirals(DAAs).AIM To determine the risk factors for HCC recurrence in patients with HCV and a history of *** The risk of HCC recurrence in patients with a history of HCC and/or of HCC occurrence in patients without a history of HCC after DAA therapy was retrospectively analyzed in 311 HCV patients treated at our institution and several neighboring *** frequency and predictors of HCC recurrence/occurrence after DAA treatment were included in these *** clinical course of HCC before and after DAA treatment was also *** HCV patients with a history of HCC were older and had greater progression of liver fibrosis and diabetes than patients without a history of *** recurrence-free survival(RFS)was 1092 d in patients with a history of HCC,and post-DAA HCC recurrence/occurrence was observed in 29 patients(53.7%)with and 5(1.9%)without a history of HCC over 6 years(P<0.001).RFS in patients with a history of HCC did not differ significantly before and after DAA *** frequency of HCC recurrence/occurrence in patients with a history of HCC was lower after than before DAA *** analysis showed that the incidence rate of HCC recurrence/occurrence before DAA treatment was the only independent predictor of HCC recurrence/occurrence after DAA *** function was well preserved and clinical course was good in patients with HCC recurrence/occurrence after DAA *** DAA therapy in patients infected with HCV is also effective in patients with a history of *** treatment for HCC is desirable before DAA *** frequency of HCC recurrence/occurrence before DAA therapy was associated with a significantly increased risk of H

关键词： Direct-acting antivirals Hepatitis C virus Hepatocellular carcinoma Recurrence Liver fibrosis Curative treatment

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Femtosecond laser shockwave peening ablation in liquids for hierarchical micro/nanostructuring of brittle silicon and its biological application

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International Journal of Extreme Manufacturing 2020年第4期2卷 29-47页

作者： Dongshi Zhang Liang-Chun Wu Masashi Ueki Yoshihiro ito Koji Sugioka RIKEN Center for Advanced Photonics WakoSaitama 351-0198Japan Nano Medical Engineering Laboratory RIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitama 351-0193Japan Department of Chemical Science and Engineering School of Materials and Chemical TechnologyTokyo Institute of TechnologyTokyoJapan Emergent Bioengineering Materials Research Team RIKEN Center for Emergent Matter Science2-1 HirosawaWakoSaitama 351-0198Japan

This paper presents a new technique,termed femtosecond laser shock peening ablation in liquids(fs-LSPAL),which can realize simultaneous crack micro/nanomanufacturing and hierarchical micro/nanolaser ablation,giving rise to the formation of diverse multiscale hierarchical structures,such as macroporous ratcheted structures and enéchelon microfringes decorated with parabolic *** analysis of surface morphologies,many phenomena have been confirmed to take place during fs-LSPAL,including enéchelon cracks,nanostriation,ripple densification,crack branching,and selective formation of high spatial frequency laser-induced periodic surface structures of 100–200 nm in *** a high laser power of 700 mW,fs-LSPAL at scanning speeds of 0.2 mm s^-1 and 1 mm s^-1 enables the generation of height-fluctuated and height-homogeneous hierarchical structures,*** height-fluctuated structures can be used to induce‘colony’aggregates of embryonic EB3 stem *** 200 mW,fs-LSPAL at 1 mm s^-1 is capable of producing homogeneous tilt macroporous structures with cracked structures interleaved among them,which are the synergistic effects of bubble-induced light refraction/reflection ablation and *** shown in this paper,the conventional laser ablation technique integrated with its self-driven unconventional cracking under extreme conditions expands the horizons of extreme manufacturing and offers more opportunities for complex surface structuring,which can potentially be used for biological applications.

关键词： femtosecond laser shock peening ablation shockwaves macroporous enéchelon crack striations brittle materials stem cell culture

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Human PBMC-transferred murine MHC class I/II-deficient NOG mice enable long-term evaluation of human immune responses

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Cellular & Molecular Immunology 2018年第11期15卷 953-962页

作者： Tomonori Yaguchi Asuka Kobayashi Takashi Inozume Kenji Morii Haruna Nagumo Hiroshi Nishio Takashi Iwata Yuyo Ka Ikumi Katano Ryoji ito Mamoru ito Yutaka Kawakami Division of Cellular Signaling Institute for Advanced Medical ResearchKeio University School of MedicineTokyo 160-8582Japan Department of Dermatology Yamanashi University School of MedicineYamanashi 409-3898Japan Department of Obstetrics and Gynecology Keio University School of MedicineTokyo 160-8582Japan Central Institute for Experimental Animals Kanagawa 210-0821Japan

Immunodeficient mice engrafted with human peripheral blood cells are promising tools for in vivo analysis of human patient individual immune ***,when human peripheral blood mononuclear cells(PBMCs)are transferred into NOG(NOD/Shi-scid,IL-2rg null)mice,severe graft versus host disease(GVHD)hinders long term detailed *** of human PBMCs into newly developed murine MHC class I-and class II-deficient NOG(NOG-dKO;NOG-Iab,B2m-double-knockout)mice showed sufficient engraftment of human immune cells with little sign of *** with influenza vaccine resulted in an increase in influenza-specific human IgG Ab,indicating induction of antigen-specific B cells in the NOG-dKO *** with human dendritic cells pulsed with HLA-A2 restricted cytomegalovirus peptide induced specific cytotoxic T cells,indicating the induction of antigen-specific T cells in the NOG-dKO *** cell therapies(ACTs)using melanoma antigen recognized by T cells(MART-1)-specific TCR-transduced activated T cells showed strong tumor growth inhibition in NOG-dKO mice without any sign of GVHD accompanied by preferential expansion of the transferred MART-1-specific T *** using cultured human melanoma infiltrating T cells also showed anti-tumor effects against autologous melanoma cells in NOG-dKO mice,in which changes in human cancer phenotypes by immune intervention,such as increased CD271 expression,could be ***,NOG-dKO mice are useful tools for more detailed analysis of both the induction and effector phases of T-cell and B-cell responses for a longer period than regular NOG mice.

关键词： adoptive cell therapy humanized mouse vaccine

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Seemingly maladaptive refraining from infanticidal probing at the third parasitism attack by the semi-solitary parasitoid Echthrodelphax fairchildii （Hymenoptera： Dryinidae）

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Insect Science 2006年第3期13卷 229-233页

作者： EMI ito YOSHIHIRO Y. YAMADA Insect Ecology Laboratory Faculty of Bioresources Mie University Tsu Mie Japan

We assessed the adaptiveness of refraining from infanticidal probing at the third attack under triple parasitism in the parasitoid Echthrodelphaxfairchildii Perkins, by comparing fitness returns from the third attack with and without probing. Fitness returns were assessed in terms of the survival rate, mean developmental time, and mean adult head width of the progenies. Not probing was maladaptive under triple parasitism with oviposition intervals of 1/24 and 24/24 hours （where the numbers before and after the slash refer to the first-to-second and second-to-third oviposition intervals, respectively）, although no significant difference was detected in fitness returns for oviposition intervals of 24/1 hours. We suggest that the cost of probing （especially the decrease in the chance of future ovipositions） is a reason for the seemingly maladaptive absence of probing.

关键词： cost of reproduction Echthrodelphax fairchildii infanticide ovicide,superparasitism triple parasitism

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