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Interactions between myoblasts and macrophages under high glucose milieus result in inflammatory response and impaired insulin sensitivity

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World Journal of Diabetes 2024年第7期15卷 1589-1602页

作者： Wei Luo Yue Zhou Li-Ying Wang Lei Ai Department of sports and Health Sciences Nanjing Sport InstituteNanjing 210014Jiangsu ProvinceChina Department of Exercise Physiology Beijing Sport UniversityBeijing 100084China Department of sports Physiology research Jiangsu Research Institute of Sports ScienceNanjing 210033Jiangsu ProvinceChina

BACKGROUND Skeletal muscle handles about 80% of insulin-stimulated glucose uptake and become the major organ occurring insulin resistance(IR).Many studies have confirmed the interactions between macrophages and skeletal muscle regulated the inflammation and regeneration of skeletal ***,despite of the decades of research,whether macrophages infiltration and polarization in skeletal muscle under high glucose(HG)milieus results in the development of IR is yet to be elucidated.C2C12 myoblasts are well-established and excellent model to study myogenic regulation and its responses to *** exploration of macrophages'role in myoblasts IR and the dynamics of their infiltration and polarization is *** To evaluate interactions between myoblasts and macrophages under HG,and its effects on inflammation and IR in skeletal *** We detected the polarization status of macrophages infiltrated to skeletal muscles of IR mice by hematoxylin and eosin and immunohistochemical ***,we developed an in vitro co-culture system to study the interactions between myoblasts and macrophages under HG *** effects of myoblasts on macrophages were explored through morphological observation,CCK-8 assay,Flow Cytometry,and enzyme-linked immunosorbent *** mediation of macrophages to myogenesis and insulin sensitivity were detected by morphological observation,CCK-8 assay,Immunofluorescence,and 2-NBDG *** The F4/80 and co-localization of F4/80 and CD86 increased,and the myofiber size decreased in IR group(P0.8).In McM+HG group,F4/80+CD86+CD206-cells,monocyte chemoattractant protein 1,TNFα,IL-1βand IL-6 were increased,and F4/80+CD206+CD86-cells and IL-10 were decreased compared with Mc+HG group and McM group(P0.8).Compered to M group,myotube area,myotube n

关键词： Macrophages phenotype Myoblasts Cross-talk Glucose toxicity Chronic inflammation Insulin sensitivity

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Effects of higher femoral tunnels on clinical outcomes,MRI,and second-look findings in double-bundle anterior cruciate ligament reconstruction with a minimal 5-year follow-up

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Chinese Medical Journal 2024年第4期137卷 465-472页

作者： Lin Lin Haijun Wang Jian Wang Yongjian Wang Yourong Chen Jiakuo Yu sports Medicine Department Beijing Key Laboratory of Sports InjuriesPeking University Third HospitalBeijing 100191China Peking University institute of sports Medicine Beijing 100191China

Background:To perform anatomical anterior cruciate ligament reconstruction(ACLR),tunnels should be placed relatively higher in the femoral anterior cruciate ligament(ACL)footprint based on the findings of direct and indirect femoral *** the clinical results of higher femoral tunnels(HFT)in double-bundle ACLR(DB-ACLR)remain *** purpose was to investigate the clinical results of HFT and lower femoral tunnels(LFT)in ***:From September 2014 to February 2016,83 patients who underwent DB-ACLR and met the inclusion and exclusion criteria were divided into HFT-ACLR(group 1,n=37)and LFT-ACLR(group 2,n=46)according to the position of femoral *** and at the final follow-up,clinical scores were evaluated with International Knee Documentation Committee(IKDC),Tegner activity,and Lysholm *** stability of the knee was evaluated with KT-2000,Lachman test,and pivot-shift *** degeneration grades of the International Cartilage Repair Society(ICRS)were evaluated on magnetic resonance imaging(MRI).Graft tension,continuity,and synovialization were evaluated by second-look ***-to-sports was assessed at the final ***:Significantly better improvement were found for KT-2000,Lachman test,and pivot-shift test postoperatively in group 1(P>0.05).Posterolateral bundles(PL)showed significantly better results in second-look arthroscopy regarding graft tension,continuity,and synovialization(P0.05).No statistically significant differences were found in IKDC subjective score,Tegner activity,and Lysholm score between the two *** return-to-sports rate was found in group 1 with 86.8%(32/37)vs.65.2%(30/46)in group 2(P=0.027).Conclusion:The HFT-ACLR group showed better stability results,better PL,and higher return-to-spo

关键词： Anterior cruciate ligament reconstruction Direct insertion Double bundle Second-look arthroscopy Femoral tunnel Anterior cruciate ligament rupture

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Orientation and Decision-Making for Soccer Based on sports Analytics and AI:A Systematic Review

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IEEE/CAA Journal of Automatica Sinica 2024年第1期11卷 37-57页

作者： Zhiqiang Pu Yi Pan Shijie Wang Boyin Liu Min Chen Hao Ma Yixiong Cui the School of Artificial Intelligence University of Chinese Academy of Sciences the institute of Automation Chinese Academy of Sciences the Nanjing Artificial Intelligence research of IA the School of sports Engineering Beijing Sport University

Due to ever-growing soccer data collection approaches and progressing artificial intelligence(AI) methods, soccer analysis, evaluation, and decision-making have received increasing interest from not only the professional sports analytics realm but also the academic AI research community. AI brings gamechanging approaches for soccer analytics where soccer has been a typical benchmark for AI research. The combination has been an emerging topic. In this paper, soccer match analytics are taken as a complete observation-orientation-decision-action(OODA) *** addition, as in AI frameworks such as that for reinforcement learning, interacting with a virtual environment enables an evolving model. Therefore, both soccer analytics in the real world and virtual domains are discussed. With the intersection of the OODA loop and the real-virtual domains, available soccer data, including event and tracking data, and diverse orientation and decisionmaking models for both real-world and virtual soccer matches are comprehensively reviewed. Finally, some promising directions in this interdisciplinary area are pointed out. It is claimed that paradigms for both professional sports analytics and AI research could be combined. Moreover, it is quite promising to bridge the gap between the real and virtual domains for soccer match analysis and decision-making.

关键词： Artificial intelligence(AI) decision-making football review soccer sports analytics

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Sport medicine among the past three decades in China

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Chinese Medical Journal 2024年第7期137卷 757-761页

作者： Yingfang Ao Wenqiang Yan Yue Wu institute of sports Medicine of Peking University Beijing 100191China Beijing Key Laboratory of sports Injuries Beijing 100191China

In 1955,Professor Mianyu Qu,the founder of Chinese sports medicine,and the older generation of sports medicine practitioners,founded China’s sports medicine in response to the needs of the development of national sports and *** therst 30 years of the establishment of sports medicine,they played an important role in the academic development,talent cultivation,international communication,construction of the society and organization,national Olympic glory,and national*** contributions established a solid foundation for the rapid development of China’s sports medicine in the following 30 years.

关键词： sports academic medicine

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Impact of exercise on markers of B cell-related immunity:A systematic review

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Journal of Sport and Health Science 2024年第3期13卷 339-352,I0002页

作者： David Walzik Sergen Belen Karen Wilisch Marie Kupjetz Silvana Kirschke Tobias Esser Niklas Joisten Alexander Schenk Sebastian Proschinger Philipp Zimmer Division of Performance and Health(sports Medicine) Institute for Sport and Sport ScienceTU Dortmund UniversityDortmund 44227Germany

Background:B cells represent a crucial component of adaptive immunity that ensures long-term protection from infection by generating pathogen-specific *** alters B cell counts and immunoglobulin levels,but evidence-based conclusions on potential benefits for adaptive immunity are *** systematic review assessed current literatures on the impact of acute exercise and exercise training on B cells,immunoglobulins,and markers of secretory immunity in human ***:According to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA)guidelines,MEDLINE,Web of Science,and Embase were searched on March 8,***-randomized controlled trials and crossover trials investigating the impact of acute exercise or exercise training on B cell counts and proportions,immunoglobulin levels,salivary flow rate,or secretory immunoglobulin A secretion rate were *** and reporting of exercise training studies were assessed using the Tool for the Assessment of Study Quality and reporting in *** characteristics,outcome measures,and statistically significant changes were summarized ***:Of the 67 eligible studies,22 applied acute exercise and 45 applied exercise *** included outcomes revealed significant alterations over time in acute exercise and exercise training context,but only a few investigations showed significant differences compared to control *** and plasma immunoglobulin A levels were most consistently increased in response to exercise ***:B cell-related outcomes are altered by acute exercise and exercise training,but evidence-based conclusions cannot be drawn with high confidence due to the large heterogeneity in populations and exercise ***-designed trials with large sample sizes are needed to clarify how exercise shapes B cell-related immunity.

关键词： Antibody B-lymphocyte Exercise Humoral immunity Immune system

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Leisure-time physical activity and all-cause mortality and cardiovascular disease in adults with type 2 diabetes:Cross-country comparison of cohort studies

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Journal of Sport and Health Science 2024年第2期13卷 212-221页

作者： Jakob Tarp Mengyun Luo Miguel Adriano Sanchez-Lastra Knut Eirik Dalene Borja del Pozo Cruz Mathias Ried-Larsen Reimar Wernich Thomsen Ulf Ekelund Ding Ding Department of Clinical Epidemiology Aarhus University&Aarhus University HospitalAarhus 8200Denmark Prevention research Collaboration Sydney School of Public HealthThe University of SydneyCamperdownNSW 2006Australia Charles Perkins Centre the University of SydneyCamperdownNSW 2050Australia Department of sports Medicine Norwegian School of Sports SciencesOslo 0806Norway Department of Special Didactics Faculty of Education and Sports SciencesUniversity of VigoPontevedra 36005Spain Well-Move research Group Galicia Sur Health Research Institute(IIS Galicia Sur)SERGAS-UVIGOVigo 36213Spain Department of Chronic Diseases Norwegian Institute of Public HealthOslo 0473Norway Centre for Active and Healthy Ageing Department of Sports Science and Clinical BiomechanicsUniversity of Southern DenmarkOdense 5230Denmark Faculty of Education University of CadizCadiz 11519Spain Biomedical research and Innovation institute of Cadiz(INiBICA)research Unit Puerta del Mar University HospitalUniversity of CadizCadiz 11009Spain The Centre of Inflammation and Metabolism&the Centre for Physical Activity research RigshospitaletUniversity of CopenhagenCopenhagen 2100Denmark Department of sports Science and Clinical Biomechanics University of Southern DenmarkOdense 5230Denmark

Purpose:This study aimed to quantify the dose-response association and the minimal effective dose of leisure-time physical activity(PA)to prevent mortality and cardiovascular disease in adults with type 2 ***:Cross-country comparison of 2 prospective cohort studies including 14,913 and 17,457 population-based adults with type 2 diabetes from the UK and *** leisure-time PA was self-reported and categorized by metabolic equivalent hours per week(MET-h/week)according to World Health Organization recommendations:none,below recommendation(>0-7.49 MET-h/week);at recommended level(7.5-14.9 MET-h/week);above recommendation(>15 MET-h/week).Mortality and cardiovascular disease data were obtained from national ***:During a median follow-up of 12.4 and 9.7 years,in the UK and China cohorts,repectively,higher levels of leisure-time PA were inversely associated with all-cause(1571 and 2351 events)and cardiovascular mortality(392 and 1060 events),mostly consistent with a linear dose-response *** below,at,and above recommendations,compared with no activity,yielded all-cause mortality hazard ratios of0.94(95%confidence interval(95%CI):0.79-1.12),0.90(95%CI:0.74-1.10),and 0.85(95%CI:0.70-1.02)in British adults and 0.87(95%CI:0.68-1.10),0.88(95%CI:0.74-1.03),and 0.77(95%CI:0.70-0.85)in Chinese *** with cardiovascular mortality were more pronounced in British adults(0.80(95%CI:0.58-1.11),0.75(95%CI:0.52-1.09),and 0.69(95%CI:0.48-0.97))but less pronounced in Chinese adults(1.06(95%CI:0.76-1.47),1.01(95%CI:0.80-1.28),and 0.79(95%CI:0.69-0.92)).PA at recommended levels was not associated with lower rates of major adverse cardiovascular events(2345 and 4458 events).Conclusion:Leisure-time PA at the recommended levels was not convincingly associated with lower mortality and had no association with risk of major adverse cardiovascular events in British or Chinese adults with type 2 ***-time PA above current recom

关键词： Complications Epidemiology Exercise Prevention

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Diet restriction and exercise alleviate cognitive reduction of high fat diet(HFD)-induced obese mice by rescuing inflammation-mediated compromised insulin signaling pathway through activating AMPK/SIRT1 signal pathway and suppressing TLR4 signal pathway

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Food Science and Human Wellness 2024年

作者： Hu Zhang Ye Zhang Jiling Liang Jiahang Li Miao He Xin Liu Jielun Huang Minghui Wang Jingjing Fan Ning Chen Tianjiu research and Development Center for Exercise Nutrition and Foods， Hubei Key Laboratory of Exercise Training and Monitoring， College of sports Medicine， Wuhan sports University Physical Education institute， Hubei University of Science and Technology

Obesity， caused by excessive energy， leads to body weight gain and various diseases， including cognitive impairment. Current studies suggest that diet restriction such as optimal fasting and regular exercise are crucial for improving cognitive capacity. However， further exploration is needed to understand the specific mechanisms of high fat diet (HFD)-induced cognitive decline in obesity. In the present study， 4-month-old mice were subjected to HFD feeding for 18 weeks， followed by aerobic exercise and high-intensity intermittent exercise， regular diet feeding， and intermittent fasting for 8 weeks， and then used to evaluate cognitive capacity， inflammation， compromised insulin signaling pathway， oxidative stress， and apoptosis in hippocampal tissue， as well as AMPK/SIRT1 and TLR4 signal pathways. Obese mice revealed impaired cognitive capacity as compared with mice fed with regular diets. In contrast， aerobic exercise， high-intensity intermittent exercise， regular diet， and intermittent fasting could inhibit apoptosis caused by inflammation-mediated compromised insulin signaling pathway in hippocampal tissues through activating the AMPK/SIRT1 signal pathway and suppressing the TLR4 signal pathway， thereby rescuing the cognitive impairment of obese mice. Therefore， diet restriction and exercise interventions may play a positive role in reverting obesity-induced cognitive impairment.

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Device-measured physical activity and sedentary time in the Nordic countries:A scoping review of population-based studies

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Journal of Sport and Health Science 2024年第5期13卷 650-660页

作者： Ing-Mari Dohrn Jakob Tarp Jostein Steene-Johannessen Tommi Vasankari Maria Hagströmer Division of Physiotherapy Department of NeurobiologyCare Sciences and SocietyKarolinska Institutet14183 HuddingeSweden Department of sports Medicine Norwegian School of Sports Sciences0806 OsloNorway UKK institute for Health Promotion research 33500 TampereFinland Faculty of Medicine and Health Technology Tampere University33100 TampereFinland Academic Primary Health Care Centre Region Stockholm13365 StockholmSweden

Purpose:The purpose of this scoping review was to summarize and describe the methodology and results from population-based studies of physical activity and sedentary time measured with devices in the Nordic countries(Denmark,Finland,Iceland,Norway,and Sweden)and published in 2000 or ***:A systematic search was carried out in PubMed and Web of Science in June 2023 using predefined search ***:Fourteen unique research projects or surveillance studies were ***,2 surveillance studies published by national agencies were included,resulting in a total of 16 studies for *** surveillance systems exist in Finland and Norway,with regular survey waves in school-aged children/adolescents and *** Denmark,recent nationally representative data have been collected in school children *** far,Sweden has no regular national surveillance system using device-based data *** studies were found from *** first study was conducted in 2001 and the most recent in 2022,with most data collected from 2016 to *** studies included children/adole scents 6-18 years,no study included *** total 11 studies included adults,of which 8 also covered older *** study focused specifically on older *** analytical sample size ranged from 205 to 27,*** methodology is presented,such as information on sampling strategy,device type and placement,wear protocols,and physical activity classification *** of physical activity and sedentary time in children/adolescents,adults,and older adults across the Nordic countries are ***:A growing implementation of device-based population surveillance of physical activity and sedentary behavior in the Nordic countries has been *** variety of devices,placement,and data procedures both within and between the Nordic countries highlights the challenges when it comes to comparing study outcomes as well as the need for more standa

关键词： Accelerometer Light intensity Moderate-vigorous intensity Surveillance Wearable devices

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Dose-response associations,physical activity intensity and mortality risk:A narrative review

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Journal of Sport and Health Science 2024年第1期13卷 24-29页

作者： Ulf Ekelund Miguel Adriano Sanchez-Lastra Knut Eirik Dalene Jakob Tarp Department of Sport Medicine Norwegian School of Sport SciencesOslo 0806Norway Department of Chronic Diseases Norwegian Institute of Public HealthOslo 0213Norway Department of Special Didactics Faculty of Education and Sports SciencesUniversity of VigoPontevedra 36005Spain Well-Move research Group Galicia-Sur Health Research Institute(SERGAS-UVIGO)Vigo 36213Spain

Physical activity is consistently associated with reduced mortality,decreased risk for non-communicable diseases,and improved mental health in observational *** controlled trials and observational Mendelian randomization studies support causal links between physical activity and health ***,the scarcity of evidence from randomized controlled trials,along with their inherent challenges like exposure contrasts,healthy volunteer biases,loss to follow-up,and limited real-world dose-response data,warrants a comprehensive *** review advocates synthesizing insights from diverse study designs to better understand the causal relationship between physical activity,mortality risk,and other health ***,it summarizes recent research since the publication of current physical activity *** observational studies utilizing device-measured physical activity underscore the importance of every minute of activity and suggest that all intensity levels confer health benefits,with vigorous-intensity potentially requiring lower volumes for substantial *** guidelines,informed by device-measured physical activity studies,may offer refined age-specific recommendations,emphasize vigorous-intensity physical activity,and include daily step counts as a simple,easily assessable metric using commercial wearables.

关键词： Accelerometers Non-communicable diseases Public health Sedentary behavior

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Tree‑Inspired Structurally Graded Aerogel with Synergistic Water,Salt,and Thermal Transport for High‑Salinity Solar‑Powered Evaporation

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Nano-Micro Letters 2024年第11期16卷 19-37页

作者： Xiaomeng Zhao Heng Zhang Kit‑Ying Chan Xinyue Huang Yunfei Yang Xi Shen Department of Aeronautical and Aviation Engineering The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China research institute for sports Science and Technology The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China research institute for Advanced Manufacturing The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China

Solar-powered interfacial evaporation is an energy-efficient solution for water *** requires solar absorbers to facilitate upward water transport and limit the heat to the surface for efficient ***,downward salt ion transport is also desired to prevent salt ***,achieving simultaneously fast water uptake,downward salt transport,and heat localization is challenging due to highly coupled water,mass,and thermal ***,we develop a structurally graded aerogel inspired by tree transport systems to collectively optimize water,salt,and thermal *** arched aerogel features root-like,fan-shaped microchannels for rapid water uptake and downward salt diffusion,and horizontally aligned pores near the surface for heat localization through maximizing solar absorption and minimizing conductive heat *** structural characteristics gave rise to consistent evaporation rates of 2.09 kg m^(-2) h^(-1) under one-sun illumination in a 3.5 wt%NaCl solution for 7 days without *** in a high-salinity solution of 20 wt%NaCl,the evaporation rates maintained stable at 1.94 kg m^(-2) h^(-1) for 8 h without salt crystal *** work offers a novel microstructural design to address the complex interplay of water,salt,and thermal transport.

关键词： Composite aerogel Graded structure Solar-powered evaporation Thermal insulation Salt rejection

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