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Hormone-based pharmacotherapy for metabolic dysfunction-associated fatty liver disease

medical Review 2024年第2期4卷 158-168页

作者： Zara Siu wa Chui Yaqian Xue Aimin Xu State Key Laboratory of Pharmaceutical Biotechnology The University of Hong KongHong Kong SARChina Department of medicine The University of Hong KongHong Kong SARChina School of Biomedical Sciences The University of Hong KongHong Kong SARChina State Key Laboratory of Pharmaceutical Biotechnology The University of Hong Kong999077Hong Kong SARChina Department of medicine The University of Hong Kong999077Hong Kong SARChina Department of Pharmacology and Pharmacy The University of Hong Kong999077Hong Kong SARChina

metabolic dysfunction-associated fatty liver disease(mAFLD)has reached epidemic proportions globally in parallel to the rising prevalence of *** its significant burden,there is no approved pharmacotherapy specifically tailored for this *** potential drug candidates for mAFLD have encountered setbacks in clinical trials,due to safety concerns or/and insufficient therapeutic ***,several investigational drugs that mimic the actions of endogenous metabolic hormones,including thyroid hormone receptorβ(THRβ)agonists,fibroblast growth factor 21(FGF21)analogues,and glucagon-like peptide-1 receptor agonists(GLP-1RAs),showed promising therapeutic efficacy and excellent safety *** them,resmetirom,a liver-targeted THRβ-selective agonist,has met the primary outcomes in alleviation of metabolic dysfunction-associated steatohepatitis(mASH),the advanced form of mAFLD,and liver fibrosis in phase-3 clinical *** hormone-based pharmacotherapies not only exhibit varied degrees of therapeutic efficacy in mitigating hepatic steatosis,inflammation and fibrosis,but also improve metabolic ***more,these three hormonal agonists/analogues act in a complementary manner to exert their pharmacological effects,suggesting their combined therapies may yield synergistic therapeutic *** in-depth studies on the intricate interplay among these metabolic hormones are imperative for the development of more efficacious combination therapies,enabling precision management of mAFLD and its associated comorbidities.

关键词： metabolic hormones metabolic dysfunctionassociated steatohepatitis(mASH) liver fibrosis biopharmaceutical development clinical trials

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Role of Air Staging in a Batch-Type Fixed Bed Biomass Combustor under Constant Primary Air

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Journal of Thermal Science 2024年第1期33卷 284-299页

作者： Awais JUNEJO Yasir m.AL-ABDELI Jacobo PORTEIRO School of Engineering Edith Cowan UniversityJoondalupWA 6027Australia CINTECX Universidade de Vigo Grupo de Tecnoloxia Enerxetica(GTE)36310 VigoEspana

Staged combustion of biomass is the most suitable thermo-chemical conversion for achieving lower gaseous emissions and higher fuel conversion *** a staged fixed bed combustion of biomass,combustion air is supplied in two *** the first stage,primary air is provided below the fuel,whereas in the later stage,secondary air is supplied in the freeboard *** available literature on the effects of air staging(secondary air location) at a constant primary air flow rate on combustion characteristics in a batch-type fixed bed combustor is limited and hence warrants further *** study resolves the effect of air staging,by varying the location of secondary air in the freeboard at five secondary to total air ratios in a batch-type fixed bed *** are reported for the effects of these controlled parameters on fuel conversion rate,overall gaseous emissions(CO_(2),CO and NO_x) and temperature *** fuel used throughout was densified hardwood *** show that a primary freeboard length(distance between fuel bed top and secondary air injection) of200 mm has higher fuel conversion rates and temperatures as well as lower CO emissions,at a secondary to total air ratio of 0.75 as compared to primary freeboard length of 300 ***,NO_x emissions were found to be lower for a primary freeboard length of 300 mm as compared to 200 *** increase in secondary to total air ratio from 0.33 to 0.75 resulted in higher freeboard temperatures and lower CO as well as NO_x *** outcomes of this study will be helpful in the effective design of commercial scale biomass combustors for more efficient and environmentally friendly combustion.

关键词： fixed bed combustor biomass combustion air staging freeboard temperature burning rate gaseous emissions

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Grain refinement of mg-Ca alloys by native mgO particles

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Journal of magnesium and Alloys 2024年第3期12卷 980-996页

作者： Shihao wang Yun wang Quentin m.Ramasse Zhongyun Fan Super STEm Laboratory SciTech Daresbury CampusDaresbury WA44ADUK School of Chemical and Process Engineering University of LeedsLeeds LS29JTUK BCAST Brunel University LondonUxbridgeMiddlesex UB83PHUK

In mg-Ca alloys the grain refining mechanism,in particular regarding the role of nucleant substrates,remains the object of *** native mgO is being recognised as a nucleating substrate accounting for grain refinement of mg alloys,the possible interactions of mgO with alloying elements that may alter the nucleation potency have not been elucidated ***,we design casting experiments of mg-xCa alloys varied qualitatively in number density of native mgO,which are then comprehensively studied by advanced electron *** results show that grain refinement is enhanced as the particle number density of mgO *** native mgO particles are modified by interfacial layers due to the co-segregation of Ca and N solute atoms at the mgO/mg *** aberration-corrected scanning transmission electron microscopy and electron energy loss spectroscopy,we reveal the nature of these Ca/N interfacial layers at the atomic *** of the crystallographic termination of mgO,Ca and N co-segregate at the mgO/mg interface and occupy mg and O sites,respectively,forming an interfacial structure of a few atomic *** interfacial structure is slightly expanded,less ordered and defective compared to the mgO matrix due to compositional deviations,whereby the mgO substrate is altered as a poorer template to nucleate mg *** solidification in a TP-1 mould,the impotent mgO particles account for the grain refining mechanism,where they are suggested to participate into nucleation and grain initiation processes in an explosive *** work not only reveals the atomic engineering of a substrate through interfacial segregation but also demonstrates the effectiveness of a strategy whereby native mgO particles can be harnessed for grain refinement in mg-Ca alloys.

关键词： mg-Ca alloy Grain refinement mgO Interfacial segregation STEm/EELS Solidification.

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Comparative impact behaviours of ultra high performance concrete columns reinforced with polypropylene vs steel fibres

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Defence Technology（防务技术） 2024年第10期40卷 138-153页

作者： Thong m.Pham Harrison Hyde maw K.Kaung Yan Zhuge Duong T.Tran Des Vlietstra Tung m.Tran UniSA STEMUniversity of South AustraliaMawson LakesSA 5095Australia BG&E Pty Ltd Wellington StreetPerthWA6000Australia Austral Construction Pty Ltd St Georges TerracePerthWA6000Australia Centre for Infrastructural monitoring and Protection(CImP) Curtin UniversityKent StBentleyWA 6102Australia Barchip Australia Pty Ltd U 26 Qualtroughq StreetWoolloongabbaQueensland4102Australia Sustainable Developments in Civil Engineering Research Group Faculty of Civil EngineeringTon Duc Thang UniversityHo Chi Minh City72915Viet Nam

Polypropylene(PP)fibres have primarily used to control shrinkage cracks or mitigate explosive spalling in concrete structures exposed to fire or subjected to impact/blast loads,with limited investigations on capacity *** study unveils the possibility of using PP micro-fibres to improve the impact behaviour of fibre-reinforced ultra-high-performance concrete(FRUHPC)*** show that the addition of fibres significantly improves the impact behaviour of FRUHPC columns by shifting the failure mechanism from brittle shear to favourable flexural *** addition of steel or PP fibres affected the impact responses *** fibres considerably increased the peak impact force(up to 18%)while PP micro-fibres slightly increased the peak(3%-4%).FRUHPC significantly reduced the maximum midheight displacement by up to 30%(under 20impact)and substantially improved the displacement recovery by up to 100%(under 20impact).FRUHPC with steel fibres significantly improved the energy absorption while those with PP micro-fibres reduced the energy absorption,which is different from the effect of PP-macro fibre reported in the *** optimal fibre content for micro-PP fibres is 1%due to its minimal fibre usage and low peak and residual *** study highlights the potential of FRUHPC as a promising material for impact-resistant structures by creating a more favourable flexural failure mechanism,enhancing ductility and toughness under impact loading,and advancing the understanding of the role of fibres in structural performance.

关键词： Ultra high-performance concrete Steel fibre Polypropylene micro-fibre Fibre volume fraction Impact loading Pendulum tests Columns

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m^(6)A相关基因在激素性股骨头坏死中的生物信息学分析

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中国组织工程研究 2024年第36期28卷 5811-5816页

作者：令狐熙涛桂佳琦梁卓智瓦庆德黄帅遵义医科大学第二附属医院骨外科贵州省遵义市563000 广州医科大学附属第二医院骨科广东省广州市510260

背景:m^(6)A修饰与股骨头坏死的发生发展相关,但在激素性股骨头坏死中的作用尚不清楚。目的:基于GEO数据库,采用生物信息学方法分析激素性股骨头坏死中表达差异的m^(6)A基因及互作miRNAs,探寻其潜在发病机制。方法:在GEO数据库中检索并... 详细信息

背景:m^(6)A修饰与股骨头坏死的发生发展相关,但在激素性股骨头坏死中的作用尚不清楚。目的:基于GEO数据库,采用生物信息学方法分析激素性股骨头坏死中表达差异的m^(6)A基因及互作miRNAs,探寻其潜在发病机制。方法:在GEO数据库中检索并下载与激素性股骨头坏死相关的mRNA表达谱数据集(GSE123568),通过R软件对数据集进行差异基因筛选及GO功能、KEGG通路富集分析。识别差异基因中的m^(6)A差异表达基因(m^(6)A-DEGs)并对其进行GO功能与KEGG通路富集分析,比较m^(6)A-DEGs的表达量并分析它们之间的相关性。最后通过Cytoscape构建m^(6)A-DEGs的PPI互作网络及筛选核心基因。使用TargetScan,miRTarBase和miRBD数据库预测m^(6)A-DEGs相关的潜在miRNAs,同时使用ChIPBase及hTFtarget数据库预测7个核心基因潜在转录因子,然后分别构建m^(6)A-miRNA与转录因子m^(6)A调控网络。最后使用数据集GSE74089验证7个核心m^(6)A-DEGs的表达水平。结果与结论:①从数据集中共筛选出2460个差异表达的基因,其中1455个上调,1005个下调。②从数据集中筛选出了14个m^(6)A-DEGs,包括3个下调和11个上调基因,m^(6)A-DEGs在激素性股骨头坏死中的表达具有显著差异(Pman分析表明它们之间具有一定相关性。③m^(6)A-DEGs的GO和KEGG富集分析主要集中在骨髓细胞分化与发育、免疫受体与细胞因子受体活性、破骨细胞分化、AmPK与白细胞介素17信号通路。④m^(6)A-DEGs前7个核心基因包括YTHDF3,YTHDF1,YTHDF2,ALKBH5,mETTL3,HNRNPA2B1及HNRNPC,它们在miRTarBase,miRDB和TargetScan数据库中共有44个miRNA重叠,在ChIPBase及hTFtarget数据库中共有79个重叠转录因子。⑤在GSE74089数据集中有6个核心m^(6)A-DEGs的表达水平与GSE123568数据集一致。⑥结果证实,根据生物信息学方法筛选的7个m^(6)A-DEGs可能通过调控多个miRNA、转录因子和AmPK及白细胞介素17信号通路表达,进而影响激素性股骨头坏死中骨髓细胞分化发育与破骨细胞分化,为进一步深入研究激素性股骨头坏死的发病机制和靶向治疗提供了数据支持和研究方向。

关键词：激素性股骨头坏死 m^(6)A甲基化微小RNA 转录因子生物信息学差异基因基因调控网络核心基因

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Recent progress in two-dimensional metallenes and their potential application as electrocatalyst

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Journal of Energy Chemistry 2024年第7期94卷 577-598页

作者： Umer Shahzad mohsin Saeed muhammad Fazle Rabbee Hadi m.marwani Jehan Y.Al-Humaidi muhammad Altaf Raed H.Althomali Kwang-Hyun Baek md.Rabiul Awual mohammed m.Rahman Department of Chemistry Faculty of ScienceKing Abdulaziz UniversityJeddah 21589Saudi Arabia Department of Biotechnology Yeungnam UniversityGyeongsanSouth Korea Center of Excellence for Advanced materials Research(CEAmR) King Abdulaziz UniversityJeddah 21589Saudi Arabia Department of Chemistry College of SciencePrincess Nourah Bint Abdulrahman UniversityP.O.BOX 84428Riyadh 11671Saudi Arabia Department of Chemistry Center of Excellence for Innovation in Chemistry(PERCH-CIC)Center of Excellence in Materials Science and TechnologyFaculty of ScienceChiang Mai UniversityChiang Mai 50200Thailand Department of Chemistry College of Art and SciencePrince Sattam Bin Abdulaziz UniversityWadi Al-Dawasir 11991Saudi Arabia Western Australian School of mines:minerals Energy and Chemical EngineeringCurtin UniversityGPO Box U 1987PerthWA 6845Australia

In this article,we looked at metallenes,a novel class of two-dimensional(2D)metals that are attracting interest in the energy and catalysis *** is one area where their exceptional physicochemical and electrical characteristics might be *** are unique because they include several metal atoms that are not in a coordinated *** makes them more active and improves their atomic uti-lization,which in turn increases their catalytic *** article delves into the potential of two-dimensional metals as electrocatalysts for carbon dioxide reduction,fuel oxidation,oxygen evolution,and oxygen reduction reactions in the context of sustainable energy *** to the exception-ally high surface-to-volume ratio,large surface area as well as their optimized atomic use efficiency,2D materials defined by atomic layers are crucial for surface-related sustainable energy *** to its exceptional properties,such as high conductivity and the ability to enhance the exposure of active metal sites,2D metallenes have recently attracted a lot of interest for use in catalysis,electronics,and energy-related *** their highly mobility,adjustable surface states,and electrical struc-tures that can be fine-tuned,2D metallenes are promising nanostructure materials for use in energy con-version with the sustainable applications.

关键词： metallenes Electrocatalysts Electrochemical processes Atomically thin structure

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Development and application of feature engineered geological layers for ranking magmatic,volcanogenic,and orogenic system components in Archean greenstone belts

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Geoscience Frontiers 2024年第2期15卷 251-273页

作者： R.m.montsion S.Perrouty m.D.Lindsay m.W.Jessell R.Sherlock mineral Exploration Research Centre Harquail School of Earth SciencesGoodman School of MinesLaurentian UniversitySudburyOntario P3E 2C6Canada Centre for Exploration Targeting School of Earth SciencesThe University of Western Australia35 Stirling HighwayCrawley 6009Australia Commonwealth Scientific and Industrial Research Organization Mineral Resources26 Dick Perry AveKensingtonWA 6151Australia ARC Centre for Data Analytics for Resources and Environments(DARE) Perth and SydneyAustralia

Geologically representative feature engineering is a crucial component in geoscientific applications of machine *** commonly applied feature engineering techniques used to produce input variables for machine learning apply geological knowledge to generic data science techniques,which can lead to ambiguity,geological oversimplification,and/or compounding subjective *** that utilize minimally processed input variables attempt to overcome these issues,but often lead to convoluted and uninterpretable *** address these challenges,new and enhanced feature engineering methods were developed by combining geological knowledge,understanding of data limitations,and a variety of data science *** include non-Euclidean fluid pre-deformation path distance,rheological and chemical contrast,geologically constrained interpolation of characteristic host rock geochemistry,interpolation of mobile element gain/loss,assemblages,magnetic intensity,structural complexity,host rock physical *** methods were applied to compiled open-source and new field observations from Archean greenstone terranes in the Abitibi and western wabigoon sub-provinces of the Superior Province near Timmins and Dryden,Ontario,*** feature maps represent conceptually significant components in magmatic,volcanogenic,and orogenic mineral systems.A comparison of ranked feature importance from random forests to conceptual mineral system models show that the feature maps adequately represent system components,with a few exceptions attributed to biased training data or limited constraint *** study also highlights the shared importance of several highly ranked features for the three mineral systems,indicating that spatially related mineral systems exploit the same features when *** feature importance when classifying orogenic Au mineralization in Timmins and Dryden provides insights into the possible cause of contrasting endowment be

关键词： machine learning Random forests mineral systems magmatic Ni-Cu-PGE Volcanogenic massive Sulfide(VmS)Cu-Zn-Pb-Ag(-Au) Orogenic Au Abitibi wabigoon

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Nutritional epigenetics education improves diet and attitude of parents of children with autism or attention deficit/hyperactivity disorder

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World Journal of Psychiatry 2024年第1期14卷 159-178页

作者： Renee J Dufault Katherine m Adler David O Carpenter Steven G Gilbert Raquel A Crider College of Graduate Health Studies A.T.Still UniversityKirksvilleMO 63501United States Department of Research Food Ingredient and Health Research InstituteNaalehuHI 96772United States Department of Health Sciences University of New HavenWest HavenCT 06516United States Institute for Health and the Environment School of Public HealthState University of New YorkAlbanyNY 12222United States Department of Research Institute of Neurotoxicology and Neurological DisordersSeattleWA 98105United States Department of Statistics Food Ingredient and Health Research InstituteNaalehuHI 96772United States

BACKGROUND Unhealthy maternal diet leads to heavy metal exposures from the consumption of ultra-processed foods that may impact gene behavior across generations,creating conditions for the neurodevelopmental disorders known as autism and attention deficit/hyperactivity disorder(ADHD).Children with these disorders have difficulty metabolizing and excreting heavy metals from their bloodstream,and the severity of their symptoms correlates with the heavy metal levels measured in their *** may play a key role in helping parents reduce their ultra-processed food and dietary heavy metal intake by providing access to effective nutritional epigenetics *** To test the efficacy of nutritional epigenetics instruction in reducing parental ultra-processed food *** The study utilized a semi-randomized test and control group pretest-posttest pilot study design with participants recruited from parents having a learning-disabled child with autism or ***-two parents who met the inclusion criteria were randomly selected to serve in the test(n=11)or control(n=11)*** test group participated in the six-week online nutritional epigenetics tutorial,while the control group did *** efficacy of the nutritional epigenetics instruction was determined by measuring changes in parent diet and attitude using data derived from an online diet survey administered to the participants during the pre and post intervention *** intake scores were derived for both ultra-processed and whole/organic *** sample t-tests were conducted to determine any differences in mean diet scores within each *** There was a significant difference in the diet scores of the test group between the pre-and post-intervention *** parents in the test group significantly reduced their intake of ultra-processed foods with a preintervention diet score of 70(mean=5.385,SD=2.534)and a post-intervention diet score of 113(mean=8.692,SD=1.750)and the

关键词： Epigenomics Parenteral nutrition Autism Attention deficit/hyperactivity disorder Ultra-processed foods Heavy metals

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Factors associated with delayed intracerebral hemorrhage after superficial temporal artery-middle cerebral artery bypass in stenoocclusive cerebrovascular diseases

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Chinese medical Journal 2014年第4期127卷 633-637页

作者： maoZQ YuXG Li m Li wa Department of Neurosurgery General Hospital of People&#39 s Liberation Army Medical School of Chinese People&#39 s Liberation Army Beijing 100853 China Department of Neurosurgery Xuan Wu Hospital Capital Medical University Beijing China Department of Neurosurgery Wayne State University School of Medicine USA

Background Intra-cerebral hemorrhage （ICH） is a devastating complication that can result from superficial temporal artery-middle cerebral artery （STA-mCA） bypass in patients undergoing treatment for steno-occlusive cerebrovascular disease （CVD）.There is a clinical need to find the possible risk factors to prevent ICH,as it is a significant cause of mortality and *** aim of the study was to investigate the factors associated with delayed ICH after STA-mCA bypass in patients with steno-occlusive *** We retrospectively analyzed the records of 163 patients seen from 2002 to 2011 with STA-mCA bypass for steno-occlusive cerebrovascular diseases at the Department of Neurosurgery,Xuan Wu Hospital,*** and clinical data,including age,gender,vascular risk factors,preoperative syndrome,preoperative National Institutes of Health Stroke Scale （NIHSS）,ipsilateral ischemic lesions,classification of steno-occlusive CVDs,donor branches of STA,graft patency,postoperative hypertension,and postoperative-increased mCA velocity were recorded and *** Logistic regression served to identify factors associated with delayed ICH after STA-mCA *** We identified 8 （4.9%） patients with delayed ICH after STA-mCA *** with hypertension,preoperative stroke,ipsilateral ischemic lesions,postoperative hypertension and postoperative-increased mCA velocity were significantly more prone to experiencing delayed ICH after STA-mCA *** regression analysis shows ipsilateral ischemic lesions,postoperative hypertension,and postoperative-increased mCA velocity remained independent predictors for delayed ICH after STA-mCA *** Despite the varied associated factors in patients with steno-occlusive CVDs,ipsilateral ischemic lesions,postoperative hypertension,and postoperative-increased mCA velocity could be associated with delayed ICH after STAmCA bypass.

关键词： risk factors cerebral hemorrhage cerebral revascularization cerebrovascular disorders

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GliomaCNN: An Effective Lightweight CNN model in Assessment of Classifying Brain Tumor from magnetic Resonance Images Using Explainable AI

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Computer modeling in Engineering & Sciences 2024年第9期140卷 2425-2448页

作者： md.Atiqur Rahman mustavi Ibne masum Khan md Hasib m.F.mridha Sultan Alfarhood mejdl Safran Dunren Che Department of Computer Science and Engineering Ahsanullah University of Science and TechnologyDhaka1208Bangladesh Department of Computer Science and Software Engineering The University of Western AustraliaPerthWA 6009Australia Department of Computer Science American International University-BangladeshDhaka1229Bangladesh Department of Computer Science College of Computer and Information SciencesKing Saud UniversityP.O.Box 51178Riyadh11543Saudi Arabia School of Computing Southern Illinois UniversityCarbondale62901USA

Brain tumors pose a significant threat to human lives and have gained increasing attention as the tenth leading cause of global *** study addresses the pressing issue of brain tumor classification using magnetic resonance imaging(mRI).It focuses on distinguishing between Low-Grade Gliomas(LGG)and High-Grade Gliomas(HGG).LGGs are benign and typically manageable with surgical resection,while HGGs are malignant and more *** research introduces an innovative custom convolutional neural network(CNN)model,*** stands out as a lightweight CNN model compared to its *** research utilized the BraTS 2020 dataset for its *** with the gradient-boosting algorithm,GliomaCNN has achieved an impressive accuracy of 99.1569%.The model’s interpretability is ensured through SHapley Additive exPlanations(SHAP)and Gradient-weighted Class Activation mapping(Grad-CAm++).They provide insights into critical decision-making regions for classification *** challenges in identifying tumors in images without visible signs,the model demonstrates remarkable performance in this critical medical application,offering a promising tool for accurate brain tumor diagnosis which paves the way for enhanced early detection and treatment of brain tumors.

关键词： Deep learning magnetic resonance imaging convolutional neural networks explainable AI boosting algorithm ablation

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