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The protean manifestations of central nervous system IgG4-related hypertrophic pachymeningitis:a report of two cases

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Chinese Neurosurgical Journal 2021年第4期7卷 306-312页

作者： Peter Y.M.Woo Ben C.F.Ng June H.M.Wong Oliver k.s.Ng timothy s.k.chan Ngai-Fung kwok kwong-Yau chan Department of Neurosurgery Kwong Wah HospitalHong KongHong KongChina Department of Internal Medicine Caritas Medical CenterHong KongHong KongChina Department of Pathology Kwong Wah Hospital25 Waterloo RoadYaumateiHong KongHong KongChina Department of Neurosurgery Queen Elizabeth HospitalHong KongHong KongChina

Background:IgG4-related hypertrophic pachymeningitis is a relative newly recognized and rare manifestation of IgG4-related disease,an immune-mediated fibroinflammatory tumefactive *** than 80 patients have been reported in the literature,and it can mimic common neurosurgical *** describe the clinical presentation of two patients that were initially considered to have a subdural collection,tuberculous meningitis,and a cervical spinal meningioma,but were eventually diagnosed with this *** presentation:Two ethnic Chinese men,86 and 62 years old,experienced a 4-week history of *** patients had a history of autoimmune disease,namely glomerulonephritis and Grave’s disease,*** resonance brain imaging revealed diffuse dural thickening with the latter patient exhibiting homogeneous and intense gadolinium-contrast *** the 86-year-old patient also had progressive bilateral visual loss,giant cell arteritis was suspected and a 2-week course of glucocorticoid therapy was prescribed,but his symptoms failed to *** 62-year-old patient also had accompanying low-grade fever and was treated empirically as having tuberculous meningitis although there were no confirmatory microbiological *** patient further developed right hemiparesis,and additional imaging revealed a C4/5 intradural-extramedullary contrast-enhancing lesion resembling a meningioma causing cord *** patients underwent neurosurgical intervention with the former undergoing a dural biopsy and the latter having the cervical lesion *** final diagnosis was IgG4-related hypertrophic pachymeningitis with the hallmark histological features of lymphoplasmacytic infiltration of IgG4+plasma cells,storiform fibrosis,and obliterative *** addition,their serum IgG4 levels were elevated(i.e.,>135 mg/dL).Both patients received at least 6 months of glucocorticoid therapy while the latter also had *** symptom

关键词： Hypertrophic pachymeningitis IgG4-related disease IgG4-related sclerosing disease Central nervous system

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Cultural Exclusion and the Transformation of the Cultural Landscape: The Origins of Anti-Chinese Racism in Canada

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social sciences in China 2024年第3期45卷 181-202页

作者： timothy J.stanley Faculty of Education University of Ottawa

Anti-Chinese racism in Canada is a social structure of racialized exclusion that over time came to be built into the settler colonialism that continues to shape the *** of European,and especially of British and French origins,have consequently created the cultural landscapes that constitute the country(i.e.,its material constructions and dominant cultural overlays).When read against these landscapes,people of Chinese origins and members of other racialized groups continue to be positioned as aliens who do not belong in the country in way in which people racialized as white are *** on British Columbia(BC),Canada's westernmost province,and the historical activity of people of Chinese origins,this paper traces the history of anti-Chinese racism and its links to Anglo-Canadian settler *** has long been linked to China,and the Chinese entered BC at the same time as Europeans before the country *** this,Chinese people have repeatedly been positioned as threats to Anglo-Canadian dominance,and especially to control over the land and its *** Canadian resistance to racist exclusions,along with that of other groups,has led to the elimination of legislated ***,historic exclusions continue to shape cultural landscapes and popular understandings of who belongs and who does *** these landscapes requires an antiracist project of pursuing common projects that cross over racialized differences to remake the territory in ways that affirm the presence of all the peoples of Canada.

关键词： Chinese Canadians cultural exclusion white supremacy racism

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Laser-based bionic manufacturing

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International Journal of Extreme Manufacturing 2024年第4期6卷 62-84页

作者： Xingran Li Baoyu Zhang timothy Jakobi Zhenglei Yu Luquan Ren Zhihui Zhang key Laboratory of Bionic Engineering(Ministry of Education) Jilin UniversityChangchunPeople's Republic of China Institute of structured and Architected Materials Liaoning Academy of MaterialsShenyangPeople's Republic of China The University of New south Wales CanberraNorthcott DrCampbellACT 2612Australia

Over millions of years of natural evolution,organisms have developed nearly perfect structures and *** self-fabrication of organisms serves as a valuable source of inspiration for designing the next-generation of structural materials,and is driving the future paradigm shift of modern materials science and ***,the complex structures and multifunctional integrated optimization of organisms far exceed the capability of artificial design and fabrication technology,and new manufacturing methods are urgently needed to achieve efficient reproduction of biological *** one of the most valuable advanced manufacturing technologies of the 21st century,laser processing technology provides an efficient solution to the critical challenges of bionic *** review outlines the processing principles,manufacturing strategies,potential applications,challenges,and future development outlook of laser processing in bionic manufacturing *** primary manufacturing strategies for laser-based bionic manufacturing are elucidated:subtractive manufacturing,equivalent manufacturing,and additive *** progress and trends in bionic subtractive manufacturing applied to micro/nano structural surfaces,bionic equivalent manufacturing for surface strengthening,and bionic additive manufacturing aiming to achieve bionic spatial structures,are ***,the key problems faced by laser-based bionic manufacturing,its limitations,and the development trends of its existing technologies are discussed.

关键词： bionic manufacturing laser processing bionic micro/nano structural surface bionic strengthening surface bionic spatial structure

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Tale of mitochondria and mitochondria-associated ER membrane in patient-derived neuronal models of Wolfram syndrome

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Neural Regeneration Research 2025年第9期20卷 2587-2588页

作者： Laetitia Aubry timothy Barrett sovan sarkar I-sTEM CECSCorbeil-EssonnesFrance UniversitéParis-saclay Universitéd’EvryINSERMI-STEMUMR861Corbeil-EssonnesFrance Institute of Cancer and Genomic sciences Institute of Biomedical ResearchCollege of Medical and Dental SciencesUniversity of BirminghamEdgbastonBirminghamUK(Barrett T Department of Endocrinology Birmingham Women’s and Children’s HospitalSteelhouse LaneBirminghamUK

Mitochondria and mitochondria-associated endoplasmic reticulum membrane in neurodegenerative diseases:Mitochondria generate most of the chemical energy needed to power the biochemical reactions of cells,and thus are often referred to as the"powerhouse"of the ***,this organelle is also involved in a pleth,ora of different cellular functions such as calcium(Ca^(2+))homeostasis,apoptosis,oxidative stress,and several metabolic pathways including oxidative phosphorylation,tricarboxylic acid cycle,andβ-oxidation of fatty acids.

关键词： oxidative cycle carboxylic

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Partitioning Anatolian kinematics into Tectonic Escape and slab Rollback Dominated Domains

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Journal of Earth science 2024年第3期35卷 758-768页

作者： Jiannan Meng timothy M.kusky Erdin Bozkurt Hao Deng Ozan sinoplu state key Laboratory of Geological Processes and Mineral Resources Center for Global TectonicsSchool of Earth SciencesChina University of GeosciencesWuhan 430074China Badong National Observatory and Research station for Geohazards China University of GeosciencesWuhan 430074China Department of Geological Engineering Middle East Technical University06800 AnkaraTurkey Department of Geosciences Auburn UniversityAuburn AL 36849USA

Anatolia is the global archetype of tectonic escape,as witnessed by the devastating 2023 kahramanmaraş Earthquake sequence,and the 2020 samos Earthquake,which show different kinematics related to the framework of the escape *** Positioning system(GPs)motions of the wedge-shaped plate differ regionally from northwestwards to southwestwards(from east to west).Anatolia was extruded westward from the Arabian-Eurasian collision along the North and East Anatolian fault systems,rotating counterclockwise into the oceanic free-faces of the Mediterranean and Aegean,with dramatic extension of western Anatolia in traditional ***,which is the dominant mechanism for this change in kinematics,extrusion related to the Arabia/Eurasia collision or rollback of the African slab beneath western Anatolia is still *** assess the dominant driving mechanisms across Anatolia,we analyze recent GPs velocity datasets,and decomposed them into N-s and E-W components,revealing that westward motion is essentially constant across the whole plate and consistent with the slip rates of the North and East Anatolia fault zones,while southward components increase dramatically in the transition area between central and western Anatolia,where a slab tear is *** phenomenon is related to different tectonic driving *** ArabiaEurasia collision drives the Anatolian Plate uniformly westwards while western Anatolia is progressively more affected by the southward retreating African subducting slab west of the Aegean/Cypriot slab tear,which significantly increases the southward component of the velocity field and causes the apparent curve of the whole modern velocity *** 2020 and 2023 earthquake focal mechanisms also confirm that the northward colliding Arabian Plate forced Anatolia to the west,and the retreating African slab is pulling the upper plate of western Anatolian apart in *** propose that the Anatolian Plate is moving westwards as

关键词： tectonics neotectonics tectonic escape slab rollback Anatolian Plate GPs velocity field geodynamics.

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Impact of pre- and peri-operative risk factors on length of stay and hospital readmission following minimally-invasive partial nephrectomy

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Asian Journal of Urology 2024年第1期11卷 72-79页

作者： Vanessa A.Lukas Rahul Dutta Ashok k.Hemal Matvey Tsivian timothy E.Craven Nicholas A.Deebel David D.Thiel Ram Anil Pathak Brigham and Women's Hospital Division of UrologyDepartment of Surgery75 Francis StreetBostonMAUSA Atrium Health Wake Forest Baptist Medical Center Department of Urology1 Medical Center BlvdWinston-SalemNCUSA Mayo Clinic Florida Department of Urology4500 San Pablo RoadJacksonvilleFLUSA

Objective:We conducted an analysis of the American College of surgeons National surgical Quality Improvement Program database for minimally-invasive partial nephrectomy cases reported with the goal to identify pre-and peri-operative variables associated with length of stay(LOs)greater than 3 days and readmission within 30 ***:Records from 2008 to 2018 for“laparoscopy,surgical;partial nephrectomy”for prolonged LOs and readmission cohorts were *** analysis with Chi-square,t-tests,and multivariable logistic regression analysis with odds ratios(ORs),p-values,and 95%confidence intervals assessed statistical ***:Totally,20306 records for LOs greater than 3 days and 15854 for readmission within 30 days were *** and multivariable analysis exhibited similar *** LOs greater than 3 days,undergoing non-elective surgery(OR=5.247),transfusion of greater than four units within 72 h prior to surgery(OR=5.072),pre-operative renal failure or dialysis(OR=2.941),and poor pre-operative functional status(OR=2.540)exhibited the strongest statistically significant *** hospital readmission within 30 days,loss in body weight greater than 10%in 6 months prior to surgery(OR=2.227)and bleeding disorders(OR=2.081)exhibited strongest statistically significant ***:Multiple pre-and peri-operative risk factors are independently associated with prolonged LOs and hospital readmission within 30 days of surgery using the American College of surgeons National surgical Quality Improvement Program *** the risks factors that can potentially be improved prior to minimally-invasive partial nephrectomy is crucial to informing patient selection,optimization strategies,and patient education.

关键词： Minimally-invasive partial nephrectomy The American College of surgeons National surgical Quality Improvement Program Lengthof stay Hospital readmission

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speed and surface steepness affect internal tibial loading during running

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Journal of sport and Health science 2024年第1期13卷 118-124页

作者： Hannah Rice Markus kurz Patrick Mai Leon Robertz kevin Bill timothy R.Derrick steffen Willwacher Department of Physical Performance Norwegian School of Sport SciencesOslo 0806Norway sports Tech Research Centre Mid Sweden UniversityÖstersund SE-83125Sweden Department of Mechanical and Process Engineering Offenburg University of Applied SciencesOffenburg 77652Germany Institute of Biomechanics and Orthopaedics German Sport University CologneCologne 50933Germany Department of kinesiology Iowa State UniversityAmesIA 50011USA

Background:Internal tibial loading is influenced by modifiable factors with implications for the risk of stress *** encounter varied surface steepness(gradients)when running outdoors and may adapt their speed according to the *** study aimed to quantify tibial bending moments and stress at the anterior and posterior peripheries when running at different speeds on surfaces of different ***:Twenty recreational runners ran on a treadmill at 3 different speeds(2.5 m/s,3.0 m/s,and 3.5 m/s)and gradients(level:0%;uphill:+5%,+10%,and+15%;downhill:-5%,-10%,and-15%).Force and marker data were collected synchronously *** moments were estimated at the distal third centroid of the tibia about the medial-lateral axis by ensuring static equilibrium at each 1%of *** was derived from bending moments at the anterior and posterior peripheries by modeling the tibia as a hollow ***-way repeated-measures analysis of variance were conducted using both functional and discrete statistical ***:There were significant main effects for running speed and gradient on peak bending moments and peak anterior and posterior *** running speeds resulted in greater tibial *** uphill at+10%and+15%resulted in greater tibial loading than level *** downhill at-10%and-15%resulted in reduced tibial loading compared to level *** was no difference between+5%or-5%and level ***:Running at faster speeds and uphill on gradients≥+10%increased internal tibial loading,whereas slower running and downhill running on gradients≥-10%reduced internal *** running speed according to the gradient could be a protective mechanism,providing runners with a strategy to minimize the risk of tibial stress injuries.

关键词： Bending moments Gradient Musculoskeletal modeling Overuse injury Tibial stress Training factors

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Tale of mitochondria and mitochondria-associated ER membrane in patient-derived neuronal models of Wolfram syndrome

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Neural Regeneration Research 2025年第09期 2587-2588页

作者： Laetitia Aubry timothy Barrett sovan sarkar I-sTEM CECSCorbeil-EssonnesFrance (Aubry L) Universite Paris-SaclayUniversité d'EvryINS ERMI-STEM Institute of Cancer and Genomic sciences Institute of Biomedical ResearchCollege of Medical and Dental SciencesUniversity of Birmingham Department of Endocrinology Birmingham Women's and Children's Hospital

Mitochondria and mitochondria-associated endoplasmic reticulum membrane in neurodegenerative diseases:Mitochondria generate most of the chemical energy needed to power the biochemical reactions of cells,and thus are often referred to as the "powerhouse" of the ***,this organelle is also involved in a pleth,ora of different cellular functions such as calcium(Ca2+) homeostasis,apoptosis,oxidative stress,and several metabolic pathways including oxidative phosphorylation,tricarboxylic acid cycle,and β-oxidation of fatty acids.

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Inertinite in coal and its geoenvironmental significance:Insights from AI and big data analysis

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science China Earth sciences 2024年第6期67卷 1779-1801页

作者： Longyi sHAO Jiamin ZHOU timothy PJONEs Fanghui HUA Xiaotao XU Zhiming YAN Haihai HOU Dongdong WANG Jing LU state key Laboratory for Fine Exploration and Intelligent Development of Coal Resources and College of Geoscience and surveying Engineering China University of Miningand Technology(Beijing)Beijing 100083China school of Earth and Environmental sciences Cardiff UniversityCardiff CF103YEWalesEngland General Prospecting Institute of China National Administration of Coal Geology Beijing 100039China Institute of Architectural Engineering Weifang UniversityWeifang 261061China College of Mining Liaoning Technical UniversityFuxin 123000China College of Earth science and Engineering Shandong University of Science and TechnologyQingdao 266590China

Inertinite,as an important and abundant maceral group in coal,is critical for the study of palaeowildfires and their roles in the Earth’s ***,there has been a significant amount of research on the relationship between palaeowildfire,palaeoclimate change and palaeovegetation evolution based on inertinite *** reflectance of fusinite and semifusinite has been used to estimate the combustion temperature and type of palaeowildfires,and then to evaluate the combustion characteristics of different types of *** relative abundance of inertinite can be used to estimate the atmospheric oxygen *** rapid development of artificial intelligence(AI)and online tools to search scientific databases has presented an opportunity for us to find,collect,arrange,and analyse data from the earliest to latest publications on *** data extraction tool Deep shovel is used to collect and analyse global inertinite data from the silurian to the *** software programs such as Gplates,ArcGIs pro and Tableau are then applied to model the relative abundance of inertinite over geological time,which can be correlated with other parameters such as atmospheric oxygen contents,plant evolution and palaeoclimate *** distribution of inertinite in coals varied over different geological periods,being typified by the“high inertinite content-high atmospheric oxygen level”period in the Permian and the“low inertinite content-low atmospheric oxygen level”period in the *** study has proposed a possible model of the positive and negative feedbacks between inertinite characteristics and palaeoenvironmental factors,and has revealed the exceptional role of inertinite in palaeoenvironmental *** research on inertinite will be focused on the integrated study of organic petrology and organic geochemistry of inertinite,the big data-driven research on the temporal and spatial distribution of the global inertinite,the exploration of the

关键词： Inertinite Palaeowildfires Atmospheric oxygen Palaeoclimates Palaeoecosystems

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Machine learning-guided accelerated discovery of structure-property correlations in lean magnesium alloys for biomedical applications

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Journal of Magnesium and Alloys 2024年第6期12卷 2267-2283页

作者： sreenivas Raguraman Maitreyee sharma Priyadarshini Tram Nguyen Ryan McGovern Andrew kim Adam J.Griebel Paulette Clancy timothy P.Weihs Department of Materials science and Engineering Johns Hopkins University3400 N Charles StBaltimore21218MDU.S.A Hopkins Extreme Materials Institute Johns Hopkins University3400 N Charles StBaltimore21218MDU.S.A Department of Chemical and Biomolecular Engineering Johns Hopkins University3400 N Charles StBaltimore21218MDU.S.A Translational Tissue Engineering Center Johns Hopkins School of Medicine400 N BroadwayBaltimore21231MDU.S.A Department of Biomedical Engineering Johns Hopkins University3400 N Charles StBaltimore21218MDU.S.A Research and Development Fort Wayne Metals Research ProductsLLC9609 Ardmore AveFort Wayne46809INU.S.A Department of Mechanical Engineering Johns Hopkins University3400 N Charles StBaltimore21218MDU.S.A

Magnesium alloys are emerging as promising alternatives to traditional orthopedic implant materials thanks to their biodegradability,biocompatibility,and impressive mechanical ***,their rapid in-vivo degradation presents challenges,notably in upholding mechanical integrity over *** study investigates the impact of high-temperature thermal processing on the mechanical and degradation attributes of a lean Mg-Zn-Ca-Mn alloy,*** rapid,cost-efficient characterization methods like X-ray diffraction and optical microscopy,we swiftly examine microstructural changes post-thermal *** Pearson correlation coefficient analysis,we unveil the relationship between microstructural properties and critical targets(properties):hardness and corrosion ***,leveraging the least absolute shrinkage and selection operator(LAssO),we pinpoint the dominant microstructural factors among closely correlated *** findings underscore the significant role of grain size refinement in strengthening and the predominance of the ternary Ca_(2)Mg_(6)Zn_(3)phase in corrosion *** suggests that achieving an optimal blend of strength and corrosion resistance is attainable through fine grains and reduced concentration of ternary *** thorough investigation furnishes valuable insights into the intricate interplay of processing,structure,and properties in magnesium alloys,thereby advancing the development of superior biodegradable implant materials.

关键词： Magnesium alloys Machine learning Corrosion Mechanical properties Rapid characterization

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