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CD36 promotes tubular ferroptosis by regulating the ubiquitination of FSP1 in acute kidney injury

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Genes & Diseases 2024年第1期11卷 449-463页

作者： Yixin Ma Lili Huang Zheng Zhang Pengfei Yang Qingsong Chen Xujia Zeng Fangyan Tan Chunxia Wang Xiongzhong Ruan Xiaohui Liao Department of Nephrology The Second Affiliated HospitalChongqing Medical UniversityChongqing 400010China Department of Cell Biology and Genetics Chongqing Medical UniversityChongqing 400016China centre for Nephrology Royal Free and University College Medical SchoolUniversity College LondonRoyal Free CampusRowland Hill StreetLondon NW32PFUnited Kingdom centre for Lipid Research Key Laboratory of Molecular Biology on Infectious DiseasesMinistry of EducationChongqing Medical UniversityChongqing 400016China Kuanren Laboratory of Translational Lipidology Centre for Lipid ResearchSecond Affiliated Hospital of Chongqing Medical UniversityChongqing 400010China

Reactive oxidative species(ROos)production-driven ferroptosis plays a role in acute kidney injury(Akl).However,its exact molecular mechanism is poorly *** receptor CD36 has important roles in oxidizing lipids,lipid accumulation,metabolic syndrome,and insulin resistance in chronic kidney disease,but its roles remain unexplored in *** present study investigated the role and mechanism of CD36 in regulating proximal tubular cell ferroptosis and *** expression of CD36 was found to be significantly up-regulated in AKI renal tissues and correlated with renal function,which might serve as an independent biomarker for AKl ***,in adult mice subjected to AKl,deletion of CD36(CD36-/-)induced tubular cell Ros accumulation,ferroptosis activation,and renal ***,combining LC-MS/MS,co-IP,and ubiquitination analyses revealed that CD36 could specifically bind to ferroptosis suppressor protein 1(FSP1)and regulate its ubiquitination at sites K16 and K24,leading to FSP1 degradation and progression of ferroptosis in *** present results emphasize a novel mechanism of CD36 in cisplatin-induced *** discovery of the special CD36 roles in promoting ferroptosis and AKI development by regulating the ubiquitination of FSP1 in proximal tubular cells may be potential therapeutic targets for ***,CD36 may play a key role in the progression of ***,targeting CD36 may provide a promising treatment option for AKI.

关键词： Acute kidney injury CD36 Ferroptosis FSP1 Ubiquitin-dependent degradation

Fusobacterium is toxic for head and neck squamous cell carcinoma and its presence may determine a better prognosis

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Cancer Communications 2024年第8期44卷 879-883页

作者： Anjali Chander Jacopo Iacovacci Aize Pellon Radhika Kataria Anita Grigoriadis John Maher Cynthia Sears Gilad Bachrach Teresa Guerrero Urbano Mary Lei Imran Petkar Anthony Kong Tony Ng Ester Orlandi Nicola Alessandro Iacovelli Loris De Cecco Mara Serena Serafini David Moyes Tiziana Rancati Miguel Reis Ferreira centre for Host-Microbiome Interactions King’s College LondonLondonUK Comprehensive Cancer centre King’s College LondonLondonUK Department of Oncology Guys and St Thomas NHS Foundation TrustLondonUK Data Science Unit Fondazione IRCCS Istituto Nazionale dei TumoriMilanItaly Medicine Department Johns Hopkins University School of MedicineBaltimoreMarylandUSA Institute of Biomedical and Oral Research The Hebrew University-Hadassah School of Dental MedicineHadassah Ein Kerem CampusJerusalemIsrael Dipartimento di scienze Clinico-Chirurgiche Diagnostiche e PediatricheUniversitàdegli studi di PaviaPaviaItaly Radiation Oncology Department Fondazione IRCCS Istituto Nazionale dei TumoriMilanItaly Department of Medicine Weill Cornell MedicineNew YorkUSA

Head and neck squamous cell carcinoma(HNSCC)is a devastating *** morbid treatment,5-year survival rates remain poor(28%-67%)[1].There is a significant knowledge gap regarding how the microbiota may impact HNSCC treatment efficacy[2].We used microbiome data from two independent cohorts to test and validate the hypothesis that oral bacteria are associated with HNSCC prognosis and in vitro models to investigate mechanistic *** are detailed in Supplementary Materials.

关键词： prognosis squamous carcinoma

利用探针跳跃式扫描离子电导显微镜技术揭示结直肠癌单细胞层面对H_(2)O_(2)良性应激的动态响应

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Science Bulletin 2024年第12期69卷 1909-1919页

作者：王东 Emily Woodcock 杨羲 Hiromi Nishikawa Elena V.Sviderskaya Masanobu Oshima Christopher Edwards 张彦军 Yuri Korchev WPI Nano Life Science Institute(WPI-Nano LSI) Kanazawa UniversityKanazawa 920-1192Japan Department of Medicine Imperial College LondonLondon W120NNUnited Kingdom Cell Biology Research centre Molecular and Clinical Sciences Research InstituteSt George’sUniversity of LondonLondon SW170REUnited Kingdom

Colorectal cancer(CRC),a widespread malignancy,is closely associated with tumor microenvironmental hydrogen peroxide(H_(2)O_(2))*** clinical trials targeting H_(2)O_(2)for cancer treatment have revealed its paradoxical role as a promoter of cancer *** the dynamics of cancer cell H_(2)O_(2)eustress at the single–cell level is *** this study,non–contact hopping probe mode scanning ion conductance microscopy(HPICM)with high-sensitive Pt–functionalized nanoelectrodes was employed to measure dynamic extracellular to intracellular H_(2)O_(2)gradients in individual colorectal cancer Caco–*** explored the relationship between cellular mechanical properties and H_(2)O_(2)*** to 0.1 or 1 mmol/L H_(2)O_(2)eustress increased the extracellular to intracellular H_(2)O_(2)gradient from 0.3 to 1.91 or 3.04,***,cellular F–actin–dependent stiffness increased at 0.1 mmol/L but decreased at 1 mmol/L H_(2)O_(2)*** H_(2)O_(2)–induced stiffness modulated AKT activation positively and glutathione peroxidase 2(GPX2)expression *** findings unveil the failure of some H_(2)O_(2)-targeted therapies due to their ineffectiveness in generating H_(2)O_(2),which instead acts eustress to promote cancer cell *** research also reveals the complex interplay between physical properties and biochemical signaling in cancer cells'antioxidant defense,illuminating the exploitation of H_(2)O_(2)eustress for survival at the single–cell *** GPX and/or catalase(CAT)enhances the cytotoxic activity of H_(2)O_(2)eustress against CRC cells,which holds significant promise for developing innovative therapies targeting cancer and other H_(2)O_(2)-related inflammatory diseases.

关键词： SPM Nanoprobe Nanobiology SECM ROS Stiffness

Debt,sleep deprivation and psychological distress among online ride-hailing drivers:evidence from China

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General Psychiatry 2024年第2期37卷 319-323页

作者： Wanjie Tang Jingyue Chen Simiao Wang Xianglan Jiang Yi Lu Siqi Wu Luyu Yang Meng Tian Han Zhang Yinan Zhang Jiuping Xu Zeyuan Sun Mental Health centre Sichuan UniversityChengduSichuanChina Department of Child&Adolescent Psychiatry King's College London Institute of Psychiatry Psychology&NeuroscienceLondonUK Sichuan University Business School ChengduSichuanChina Department of Psychology King's College London Institute of Psychiatry Psychology&NeuroscienceLondonUK Sichuan University West China School of Medicine ChengduSichuanChina The University of Edinburgh School of Health in Social Science EdinburghEdinburghUK Department of Psychology University of WarwickCoventryUK Division of Psychiatry University College London Faculty of Brain SciencesLondonUK Wuxi Mental Health Center Nanjing Medical UniversityWuxiJiangsuChina King's College london centre for the Developing Brain LondonUK

An online ride-hailing driver(ORHD)refers to a driver who takes orders and provides rental car services to passengers via an online service platform.1 ORHD plays a significant role in the urban transport system worldwide,operating through many *** to official data from the Chinese Ministry of Transport,a total of 1.6 million vehicle transport permits were issued by the end of March 2022.

关键词： services service official

Psychiatric comorbidities in epilepsy:population co-occurrence,genetic correlations and causal effects

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General Psychiatry 2024年第1期37卷 103-111页

作者： Viktor H Ahlqvist Christina Dardani Paul Madley-Dowd Harriet Forbes Jessica Rast Caichen Zhong Renee M Gardner Christina Dalman Kristen Lyal cRAIG Newschaffer Torbjorn Tomson Michael Lundberg Daniel Berglind Neil M Davies Brian K Lee Cecilia Magnusson Dheeraj Rai Department of Global Public Health Karolinska InstitutetStockholmSweden Medical Research Council Integrative Epidemiology Unit Bristol Medical SchoolUniversity of BristolBristolUK centre for Academic Mental Health Population Health SciencesBristol Medical SchoolUniversity of BristolBristolUK Faculty of Epidemiology and Population Health London School of Hygiene and Tropical MedicineLondonUK A.J.Drexel Autism Institute Drexel UniversityPhiladelphiaPAUSA Department of Epidemiology and Biostatistics School of Public HealthDrexel UniversityPhiladelphiaPAUSA College of Health and Human Development Pennsylvania State UniversityState CollegePAUSA Department of Clinical Neuroscience Karolinska InstitutetStockholmSweden centre for Epidemiology and Community Medicine Region StockholmStockholmSweden K.G Jebsen Center for Genetic Epidemiology Department of Public Health and NursingNorwegian University of Science and TechnologyTrondheimNorway Division of Psychiatry University Collge LondonLondonUK Department of Statistical Sciences University Cllge LondonLondonK NIHR Biomedical Research centre University of BristoBristolUK Avon and Wiltshire Partnership NHS Mental Health TrustBristolUK

Background Psychiatric comorbidities are common in patients with *** for the co-occurrence of psychiatric conditions and epilepsy remain poorly *** We aimed to triangulate the relationship between epilepsy and psychiatric conditions to determine the extent and possible origins of these *** Using nationwide Swedish health registries,we quantified the lifetime prevalence of psychiatric disorders in patients with *** then used summarydata from genome-wide association studies to investigate whether the identified observational associations could be attributed to a shared underlying genetic aetiology using cross-trait linkage disequilibrium score ***,we assessed the potential bidirectional relationships using two-sample Mendelian *** In a cohort of 7628495 individuals,we found that almost half of the 94435 individuals diagnosed with epilepsy were also diagnosed with a psychiatric condition in their lifetime(adjusted lifetime prevalence,44.09%;95%confidence interval(Cl)43.78%to 44.39%).We found evidence for a genetic correlation between epilepsy and some neurodevelopmental and psychiatric *** example,we observed a genetic correlation between epilepsy and attention-deficit/hyperactivity disorder(r,=0.18,95%Cl 0.09 to 0.27,p<0.001)—a correlation that was more pronounced in focal epilepsy(r=0.23,95%CI 0.09 to 0.36,p<0.001).Findings from Mendelian randomisation using common genetic variants did not support bidirectional effects between epilepsy and neurodevelopmental or psychiatric *** Psychiatric comorbidities are common in patients with *** correlations may partially explain some comorbidities;however,there is little evidence of a bidirectional relationship between the genetic liability of epilepsy and psychiatric *** findings highlight the need to understand the role of environmental factors or rare genetic variations in the origins of psy

关键词： epilepsy Psychiat lifetime

Anthropogenic Influence on Decadal Changes in Concurrent Hot and Dry Events over China around the Mid-1990s

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Advances in Atmospheric Sciences 2024年第2期41卷 233-246页

作者： Qin SU Buwen DONG Fangxing TIAN Nicholas P.KLINGAMAN Yunnan Key Laboratory of Meteorological Disasters and Climate Resources in the Great Mekong Subregion Yunnan UniversityKunming 650500China Department of Atmospheric Sciences Yunnan UniversityKunming 650500China National centre for Atmospheric Science Department of MeteorologyUniversity of ReadingReadingRG66BBUK Geofysisk Institut University of BergenBergen 5007Norway Citadel Investment Group Moor House120 London WallLondonRG66BBUK

The frequency and duration of observed concurrent hot and dry events(HDEs) over China during the growing season(April–September) exhibit significant decadal changes across the mid-1990s. These changes are characterized by increases in HDE frequency and duration over most of China, with relatively large increases over southeastern China(SEC), northern China(NC), and northeastern China(NEC). The frequency of HDEs averaged over China in the present day(PD,1994–2011) is double that in the early period(EP, 1964–81);the duration of HDEs increases by 60%. Climate experiments with the Met Office Unified Model(MetUM-GOML2) are used to estimate the contributions of anthropogenic forcing to HDE decadal changes over China. Anthropogenic forcing changes can explain 60%–70% of the observed decadal changes,suggesting an important anthropogenic influence on HDE changes over China across the mid-1990s. Single-forcing experiments indicate that the increase in greenhouse gas(GHG) concentrations dominates the simulated decadal changes,increasing the frequency and duration of HDEs throughout China. The change in anthropogenic aerosol(AA) emissions significantly decreases the frequency and duration of HDEs over SEC and NC, but the magnitude of the decrease is much smaller than the increase induced by GHGs. The changes in HDEs in response to anthropogenic forcing are mainly due to the response of climatological mean surface air temperatures. The contributions from changes in variability and changes in climatological mean soil moisture and evapotranspiration are relatively small. The physical processes associated with the response of HDEs to GHG and AA changes are also revealed.

关键词： concurrent hot and dry events decadal variation greenhouse gases aerosol emissions

Data,digital worlds,and the avatarization of health care

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Global Health Journal 2024年第1期8卷 1-3页

作者： Jane Thomason Industry Associate Centre for Blockchain TechnologiesUniversity College LondonLondon WC1E 6BTUnited Kingdom

Significant technological trends are impacting health care,from consumerisation,datafication,circular economy,and platformization of *** 3.0,or the Internet of Value,enables direct peer-to-peer value exchange,opening up new business models that will impact health *** the many technologies that will also be part of the healthcare transformation is artificial intelligence,which shocked the world with the debut of ChatGPT in *** opinion piece will explore how AI underpins the health transformation and,far from being an enemy of health,is the critical friend health care has been waiting for.

关键词： Avatarization Artificial intelligence Big Tech ChatGPT Consumerization 5G Healthcare

Bioinspiration review of Aquatic Unmanned Aerial Vehicle(AquaUAV)

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Biomimetic Intelligence & Robotics 2024年第2期4卷 1-11页

作者： Xinyang Wang Jjiawei Zhao Xuan Pei Tianmiao Wang Taogang Hou Xingbang Yang School of Electronic and Information Engineering Beijing Jiaotong UniversityBeijing 100044China Department of Bioengineering Imperial College LondonLondon SW72AZUK School of Mechanical Engineering and Automation Beihang UniversityBeijing 100191China School of Biological Science and Medical Engineering Bejing Advanced Innovation Centre for Biomedical EngineeringKey Laboratory for Biomechanics and Mechanobiology of Ministry of EducationBeihang UniversityBeijing 100191China

The performance of Aquatic Unmanned Aerial Vehicle(AquaUAV)has always been limited so far and far from practical applications,due to insufficient propulsion,large-resistance structure ***-aquatic amphibians in nature may facilitate the development of AquaUAV since their excellent amphibious locomotion capabilities evolved under long-term natural *** article will take four typical aerial-aquatic amphibians as representatives,i.e.,gannet,cormorant,flying fish and flying *** summarized the multi-mode locomotion process of common aerial-aquatic amphibians and the evolutionary trade-offs they have made to adapt to amphibious *** four typical propulsion mechanisms were investigated,which may further inspire the propulsion design of the *** their morphological models could guide the layout ***,we reviewed the state of art in AquaUAV to validate the potential value of our bioinspiration,and discussed the futureprospects.

关键词： Aerial-aquatic amphibians Multi-mode locomotion trade-offs Propulsion mechanism Morphological design

Exploring Variational Auto-encoder Architectures, Configurations, and Datasets for Generative Music Explainable AI

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Machine Intelligence Research 2024年第1期21卷 29-45页

作者： Nick Bryan-Kinns Bingyuan Zhang Songyan Zhao Berker Banar School of Electronic Engineering and Computer Science Queen Mary University of LondonLondon E14NSUK Computer Science Department Carleton CollegeNorthfield MN 55057USA

Generative AI models for music and the arts in general are increasingly complex and hard to *** field of ex-plainable AI(XAI)seeks to make complex and opaque AI models such as neural networks more understandable to *** ap-proach to making generative AI models more understandable is to impose a small number of semantically meaningful attributes on gen-erative AI *** paper contributes a systematic examination of the impact that different combinations of variational auto-en-coder models(measureVAE and adversarialVAE),configurations of latent space in the AI model(from 4 to 256 latent dimensions),and training datasets(Irish folk,Turkish folk,classical,and pop)have on music generation performance when 2 or 4 meaningful musical at-tributes are imposed on the generative *** date,there have been no systematic comparisons of such models at this level of com-binatorial *** findings show that measureVAE has better reconstruction performance than adversarialVAE which has better musical attribute *** demonstrate that measureVAE was able to generate music across music genres with inter-pretable musical dimensions of control,and performs best with low complexity music such as pop and *** recommend that a 32 or 64 latent dimensional space is optimal for 4 regularised dimensions when using measureVAE to generate music across *** res-ults are the first detailed comparisons of configurations of state-of-the-art generative AI models for music and can be used to help select and configure AI models,musical features,and datasets for more understandable generation of music.

关键词： Variational auto-encoder explainable AI(XAI) generative music musical features datasets