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Anoctamin 5 regulates the cell cycle and affects prognosis in gastric cancer

World Journal of Gastroenterology 2022年第32期28卷 4649-4667页

作者： Tomoyuki Fukami Atsushi Shiozaki Toshiyuki Kosuga Michihiro Kudou Hiroki Shimizu Takuma Ohashi Tomohiro Arita Hirotaka Konishi Shuhei Komatsu Takeshi Kubota Hitoshi Fujiwara Kazuma Okamoto Mitsuo Kishimoto yukiko morinaga Eiichi Konishi Eigo Otsuji Division of Digestive Surgery Department of SurgeryKyoto Prefectural University of MedicineKyoto 602-8566Japan Department of Pathology Kyoto City HospitalKyoto 604-8845Japan Department of Pathology Kyoto Prefectural University of MedicineKyoto 602-8566Japan

BACKGROUND Anoctamin 5(ANO5)/transmembrane protein 16E belongs to the ANO/transmembrane protein 16 anion channel *** comprise a family of plasma membrane proteins that mediate ion transport and phospholipid scrambling and regulate other membrane proteins in numerous cell *** studies have elucidated the roles and mechanisms of ANO5 activation in various cancer ***,it remains unclear whether ANO5 acts as a plasma membrane chloride channel,and its expression and functions in gastric cancer(GC)have not been *** To examine the role of ANO5 in the regulation of tumor progression and clinicopathological significance of its expression in *** Knockdown experiments using ANO5 small interfering RNA were conducted in human GC cell lines,and changes in cell proliferation,cell cycle progression,apoptosis,and cellular movement were *** gene expression profiles of GC cells were investigated following ANO5 silencing by microarray *** staining of ANO5 was performed on 195 primary tumor samples obtained from patients with GC who underwent curative gastrectomy between 2011 and 2013 at our *** Reverse transcription-quantitative polymerase chain reaction(PCR)and western blotting demonstrated high ANO5 mRNA and protein expression,respectively,in NUGC4 and MKN45 *** these cells,ANO5 silencing inhibited cell proliferation and induced *** addition,the knockdown of ANO5 inhibited G1-S phase progression,invasion,and *** results of the microarray analysis revealed changes in the expression levels of several cyclin-associated genes,such as CDKN1A,CDK2/4/6,CCNE2,and E2F1,in ANO5-depleted NUGC4 *** expression of these genes was verified using reverse transcription-quantitative *** staining revealed that high ANO5 expression levels were associated with a poor *** analysis identified high ANO5 expression as an independent prognostic fa

关键词： Anoctamin 5 Gastric cancer Cell cycle G1/S checkpoint Cell proliferation

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Study on the optical property and biocompatibility of a tissue engineering cornea

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International Journal of Ophthalmology(English edition) 2012年第1期5卷 45-49页

作者： yukiko Nakahara Dwight Xuan Department of Medical Engineering Faculty of Health ScienceJunshin Gakuen UniversityChikushioka1-1-1Fukuoka 815-8510Japan Brooke Army Medical Center 3851 Roger Brooke Drive Fort Sam Houston TX 78234 USA

AIM: To study the optical property and biocompatibility of a tissue engineering cornea. METHODS: The cross-linker of N- (3-Dimethylaminoropyl)-N'ethylcarbodiimide hydrochloride (EDC)/ N-Hydroxysuccinimide (NHS) was mixed with Type I collagen at 10% (weight/volume). The final solution was molded to the shape of a corneal contact lens. The collagen concentrations of 10%, 12.5%, 15%, 17.5% and 20% artificial corneas were tested by UV/vis-spectroscopy for their transparency compared with normal rat cornea. 10-0 sutures were knotted on the edges of substitute to measure the corneal buttons's mechanical properties. Normal rat corneal tissue primary culture on the collagen scaffold was observed in 4 weeks. Histopathologic examinations were performed after 4 weeks of in vitro culturing. RESULTS: The collagen scaffold appearance was similar to that of soft contact lens. With the increase of collagen concentration, the transparency of artificial corneal buttons was diminished, but the toughness of the scaffold was enhanced. The scaffold transparency in the 10% concentration collagen group resembled normal rat cornea. To knot and embed the scaffold under the microscope, 20% concentration collagen group was more effective during implantation than lower concentrations of collagen group. In the first 3 weeks, corneal cell proliferation was highly active. The shapes of cells that grew on the substitute had no significant difference when compared with the cells before they were moved to the scaffold. However, on the fortieth day, most cells detached from the scaffold and died. Histopathologic examination of the primary culture scaffold revealed well grown corneal cells tightly attached to the scaffold in the former culturing. CONCLUSION: Collagen scaffold can be molded to the shape of soft contact corneal lens with NHS/EDC. The biological stability and biocompatibility of collagen from animal species may be used as material in preparing to engineer artificial corneal scaffold.

关键词： tissue engineering collagen cross-linking scaffold primary culture in vitro optical property biocompatibility

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Lightweight and flexible Cu(In,Ga)Se_(2) solar minimodules:toward 20% photovoltaic efficiency and beyond

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npj Flexible Electronics 2022年第1期6卷 892-898页

作者： Shogo Ishizuka yukiko Kamikawa Jiro Nishinaga Research Institute for Energy Conservation National Institute of Advanced Industrial Science and TechnologyTsukubaJapan

Lightweight and flexible photovoltaic solar cells and modules are promising technologies that may result in the wide usage of lightto-electricity energy conversion *** communication presents the prospects of Cu(In,Ga)Se_(2)(CIGS)-based lightweight and flexible photovoltaic *** current status of flexible CIGS minimodules with photovoltaic efficiency values greater than 18%and future directions to enhance their efficiency values toward>20%are *** effects of cell separation edges,which are formed through a mechanical,laser,or photolithography scribing process used to fabricate solar cells and modules,on the device performance are also *** found that mechanically scribed CIGS device edges,which are present in conventional solar cells and modules,cause deterioration of device *** other words,further improvement is expected with appropriate passivation/termination treatment of the edges or replacing mechanical scribing with a damage-free separation process.

关键词： CIGS modules separation

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Heterogeneity in supraglacial debris thickness and its role in glacier mass changes of the Mount Gongga

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Science China Earth Sciences 2016年第1期59卷 170-184页

作者： ZHANG Yong HIRABAYASHI yukiko FUJITA Koji LIU Shi Yin LIU Qiao State Key Laboratory of Cryospheric Sciences Cold and Arid Regions Environmental and Engineering Research InstituteChinese Academy of Sciences Institute of Engineering Innovation The University of Tokyo Graduate School of Environmental Studies Nagoya University Institute of Mountain Hazards and Environment Chinese Academy of Sciences

In the Tibetan Plateau, many glaciers have extensive covers of supraglacial debris in their ablation zones, which affects glacier response to climate change by altering ice melting and spatial patterns of mass loss. Insufficient debris thickness data make it difficult to analyze regional debris-cover effects. Maritime glaciers of the Mount Gongga have been characterized by a substantial reduction in glacier area and ice mass in recent decades. The thermal property of the debris layer estimated from remotely sensed data reveals that debris-covered glaciers are dominant in this region, on which the proportion of debris cover to total glacier area varies from 1.74% to 53.0%. Using a physically-based debris-cover effect assessment model, we found that although the presence of supraglacial debris has a significant insulating effect on heavily debris-covered glaciers, il accelerates ice melting on -10.2% of total ablation zone and produces rapid wastage of -25% of the debris-covered glaciers, leading to the similar mass losses between the debris-covered and debris-free glaciers. Widespread debris cover also facilitates the development of active terminus regions. Regional differences in debris-cover effects are apparent, highlighting the im- portance of debris cover for understanding glacier mass changes in the Tibetan Plateau and other mountain ranges around the world.

关键词： Debris-cover effect Ice melting Maritime glacier Glacier status Mount Gongga

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Molecular mechanisms of triggering,amplifying and targeting RANK signaling in osteoclasts

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World Journal of Orthopedics 2012年第11期3卷 167-174页

作者： yukiko Kuroda Koichi Matsuo Laboratory of Cell and Tissue Biology School of MedicineKeio UniversityTokyo 160-8582Japan

Osteoclast differentiation depends on receptor activator of nuclear factor-κB(RANK) signaling,which can be divided into triggering,amplifying and targeting phases based on how active the master regulator nuclear factor of activated T-cells cytoplasmic 1(NFATc1) is. The triggering phase is characterized by immediateearly RANK signaling induced by RANK ligand(RANKL) stimulation mediated by three adaptor proteins,tumor necrosis factor receptor-associated factor 6,Grb-2-associated binder-2 and phospholipase C(PLC)γ2,leading to activation of IκB kinase,mitogen-activated protein kinases and the transcription factors nuclear factor(NF)-κB and activator protein-1(AP-1). Mice lacking NF-κB p50/p52 or the AP-1 subunit c-Fos(encoded by Fos) exhibit severe osteopetrosis due to a differentiation block in the osteoclast lineage. The amplification phase occurs about 24 h later in a RANKLinduced osteoclastogenic culture when Ca2+ oscillation starts and the transcription factor NFATc1 is abundantly produced. In addition to Ca2+ oscillation-dependent nuclear translocation and transcriptional auto-induction of NFATc1,a Ca2+ oscillation-independent,osteoblastdependent mechanism stabilizes NFATc1 protein in dif-ferentiating osteoclasts. Osteoclast precursors lacking PLCγ2,inositol-1,4,5-trisphosphate receptors,regulator of G-protein signaling 10,or NFATc1 show an impaired transition from the triggering to amplifying phases. The final targeting phase is mediated by activation of numerous NFATc1 target genes responsible for cell-cell fusion and regulation of bone-resorptive function. This review focuses on molecular mechanisms for each of the three phases of RANK signaling during osteoclast differentiation.

关键词： Receptor activator of nuclear factor-κB ligand Tumor necrosis factor receptor-associated factor 6 c-Fos Nuclear factor of activated T-cells cytoplasmic 1 Immunoreceptor tyrosine-based activation motif Ca2+oscillation

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Argyrophilic grain disease is common in older adults and may be a risk factor for suicide:a study of Japanese forensic autopsy cases

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Translational Neurodegeneration 2023年第1期12卷 654-665页

作者： Koji Yoshida yukiko Hata Shojiro Ichimata Keitaro Okada Naoki Nishida Department of Legal Medicine Faculty of MedicineUniversity of Toyama2630 SugitaniToyama-shiToyama 930-0194Japan Tanz Centre for Research in Neurodegenerative Disease Krembil Discovery TowerUniversity of Toronto60 Leonard Ave Toronto OnTorontoON M5T 0S8Canada Department of Laboratory Medicine and Pathobiology University of TorontoTorontoONCanada.

Background Neuropathological diagnosis of argyrophilic grain disease(AGD)is currently based primarily on the combination of argyrophilic grain(AG)visualized using Gallyas-Braak silver staining,phosphorylated tau-positive pretangles,coiled bodies,and ballooned neuron *** AGD is common in patients with dementia and/or prominent psychiatric symptoms,whether it is a distinct neurological disease entity or a by-product of the aging process remains *** In 1449 serial forensic autopsy cases>40 years old(823 males and 525 females,aged 40-101 years,mean age 70.0±14.1 years),we examined the frequency and comorbid pathology of AGD cases and investigated the clini-cal appearance by comparing those with non-AGD cases using the propensity *** Of the 1449 cases,we detected 342 AGD cases(23.6%;mean age 79.7 years;177 males and 165 females).The AGD frequency and stage increased with age(P<0.001).Among AGD cases,80(23.4%)patients had dementia,and 51(15.2%)had a history of psychiatric hospital *** frequency of suicide and history of psychiatric disorders were significantly higher in AGD cases than in AGD-negative cases,matched for age,sex,and comorbidity pathol-ogy,with a relative risk of suicide of 1.72(1.30-2.26).The frequency of suicide was significantly higher in AGD cases than in non-AGD cases in female but not male *** relative risk of suicide increased to 2.27(1.20-4.30)and 6.50(1.58-26.76)in AGD patients with Lewy and progressive supranuclear palsy pathology,respectively,and decreased to 0.88(0.38-2.10)in those with advanced AD *** AGD cases,23.4%had dementia;however,the difference was not significant after controlling for age,sex,and comorbid *** Our study demonstrated that AGD is a significant and isolated risk factor for psychiatric hospital visits and suicide *** older adults,AGs may contribute to the progression of functional impairment of the limbic system,which leads to psychiatric dis

关键词： Amygdala Argyrophilic grains Dementia Forensic autopsy Psychiatric disorder Suicide

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Discrete Plane Segmentation and Estimation from a Point Cloud Using Local Geometric Patterns

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International Journal of Automation and computing 2008年第3期5卷 246-256页

作者： yukiko Kenmochi Lilian Buzer Akihiro Sugimoto Ikuko Shimizu Université Paris-Est Laboratoire d'Informatique de l'Institut Gaspard-MongeUMR CNRS 8049 A2SI-ESIEECité DescartesBP 9993162 Noisy-le-Grand CedexFrance Department of Computer Information and Communication SciencesTokyo University of Agriculture and Technology

This paper presents a method for segmenting a 3D point cloud into planar surfaces using recently obtained discretegeometry results. In discrete geometry, a discrete plane is defined as a set of grid points lying between two parallel planes with a small distance, called thickness. In contrast to the continuous case, there exist a finite number of local geometric patterns （LGPs） appearing on discrete planes. Moreover, such an LGP does not possess the unique normal vector but a set of normal vectors. By using those LGP properties, we first reject non-linear points from a point cloud, and then classify non-rejected points whose LGPs have common normal vectors into a planar-surface-point set. From each segmented point set, we also estimate the values of parameters of a discrete plane by minimizing its thickness.

关键词： Discrete plane image segmentation parameter estimation discrete geometry local geometric pattern (LGP)

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Green tea, epigallocatechin gallate and the prevention of Alzheimer’s disease: clinical evidence

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Food Science and Human Wellness 2022年第4期11卷 765-770页

作者： Klaus W.Lange Katharina M.Lange yukiko Nakamura Department of Experimental Psychology University of RegensburgRegensburg 93040Germany

Given its increasing global prevalence,Alzheimer’s disease(AD)has become a major public health challenge *** symptomatic treatments available for AD have shown no significant efficacy,and no disease-modifying interventions are capable of slowing the progression of the *** potential of lifestyle-related factors,including diet,is increasingly recognized as an important consideration in the primary prevention of *** mechanisms potentially underlying neuroprotective effects of bioactive components contained in tea,such as(-)-epigallocatechin-3-gallate,as well as their preventive efficacy against AD,have been elucidated in preclinical ***,in contrast to the abundance of mechanistic findings in animals,clinical results demonstrating efficacy in humans are *** epidemiological studies have provided some evidence indicating that green tea consumption is associated with a reduced risk of age-related cognitive decline and AD,a causal relationship cannot be established on the basis of these *** clinical evidence regarding preventive or therapeutic effects of green tea and its bioactive components is unsatisfactory.A role of green tea in the prevention of AD cannot be recommended until well-designed,randomized,placebo-controlled clinical trials using standardized formulations confirm the purported beneficial effects of green tea.

关键词： Green tea Epigallocatechin gallate Alzheimer’s disease Neurodegeneration Prevention

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Food intolerance and the few-foods(or oligoantigenic)diet in children with attention-deficit hyperactivity disorder

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Food Science and Human Wellness 2024年第4期13卷 1729-1738页

作者： Klaus W.Lange Andreas Reissmann yukiko Nakamura Katharina M.Lange Faculty of Human Sciences University of RegensburgRegensburg 93040Germany Department of Psychology University of BathBath BA27AYUnited Kingdom

The hypothesis that some children with attention-deficit hyperactivity disorder(ADHD)may show sensitivity or allergic reactions to various food items has led to the development of the the few-foods(or oligoantigenic)*** rationale of the diet is to eliminate certain foods from the diet in order to exclude potential allergens contained either naturally in food or in artificial ingredients with allergenic *** oligoantigenic diet attempts to identify individual foods to which a person might be ***,ADHD symptoms are monitored while multiple foods are excluded from the ***,if symptoms remit,foods are re-introduced,while observing the individual for the return of *** advantage of the oligoantigenic diet is that it can be tailored to the individual.A growing body of evidence suggests that behavioral symptoms of subgroups of children with ADHD may benefit from the elimination of certain *** effect sizes of an oligoantigenic diet regarding improvement of ADHD symptoms have been found to be medium to *** evidence suggests that the investigation of the role of food hypersensitivities in ADHD is a promising avenue worthy of further *** large-scale,randomized controlled studies including assessment of long-term outcome are therefore warranted.

关键词： Attention-deficit hyperactivity disorder Food intolerance Few-foods diet Etiology Treatment

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Edible insects as future food:chances and challenges

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Journal of Future Foods 2021年第1期1卷 38-46页

作者： Klaus W.Lange yukiko Nakamura Department of Eperimental Psychologr University of RegensburgRegensburg.Gemmaory

The consumption of insects(entomophagy)has recently attracted global attention for health reasons as well as environmental and economic *** environmentally sustainable food security is currently one of the biggest global challenges.A wide range of edible insect species,with their high contents in protein,fat,minerals,vitamins and fiber,can play a significant role in addressing food *** of entomophagy include a high feed-conversion efficiency of insects and the rearing on organic side streams,adding value to waste and decreasing environmental *** to cattle raising,insects emit relatively few greenhouse gases and little ammonia and require significantly less land and *** nutritional quality of edible insects appears to be equivalent and sometimes superior to that of foods derived from birds and *** farming may offer a sustainable means of food *** edible insects are calorie dense and highly nutritious,their consumption has the potential to reduce famine *** presence of high-quality protein and various micronutrients as well as potential environmental and economic benefits render edible insects globally a major potential future ***,consumer acceptance remains a major obstacle to the adoption of insects as a food source in many Western countries.

关键词： Edible insects Food security Environmenta1 sustainability Food Safety Consumer acceptance

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