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A genomic association study revealing subphenotypes of childhood steroid-sensitive nephrotic syndrome in a larger genomic sequencing cohort

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Genes & Diseases 2024年第4期11卷 400-410页

作者： Han chan Fenfen Ni Bo Zhao Huimin Jiang Juanjuan Ding li Wang Xiaowen Wang Jingjing Cui Shipin Feng Xiaojie Gao Xueying Yang Huan Chi Hao Lee Xuelan Chen Xiaoqin li Jia Jiao Daoqi Wu Gaofu Zhang mo Wang Yupeng Cun Xiongzhong Ruan Haiping Yang Qiu li Department of Nephrology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and DisordersChongqing Key Laboratory of PediatricsChongqing 400014China Department of Nephrology Shenzhen Children's HospitalShenzhenGuangdong 518034China Department of Nephrology Kunming Children's HospitalKunming Medical UniversityKunmingYunnan 650228China Department of Nephrology Wuhan Children's HospitalTongji Medical College of Huazhong University of Science and TechnologyWuhanHubei 430015China Department of Nephrology Chengdu Women and Children Central HospitalChengduSichuan 610073China Pediatric Research Institute Ministry of Education Key Laboratory of Child Development and DisordersNational Clinical Research Center for Child Health and DisordersChina International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory DisordersChildren's Hospital of Chongqing Medical UniversityChongqing 400014China Department of Nephrology John Moorhead Research LaboratoryUniversity College London Medical SchoolRoyal Free CampusUniversity College LondonLondon NW32PFUnited Kingdom

Dissecting the genetic components that contribute to the two main subphenotypes of steroid-sensitive nephrotic syndrome(SSNS)using genome-wide association studies(GWAS)strategy is important for understanding the *** conducted a multicenter cohort study(360 patients and 1835 controls)combined with a GWAS strategy to identify susceptibility var-iants associated with the following two subphenotypes of ssNS:steroid-sensitive nephrotic syn-drome without relapse(SSNswR,181 patients)and steroid-dependent/frequent relapse nephrotic syndrome(SDNS/FRNS,179 patients).The distribution of two single-nucleotide poly-morphisms(SNPs)in ANKRD36 and ALPG was significant between SSNSWR and healthy controls,and that of two SNPs in GAD1 and HLA-DQA1 was significant between SDNS/FRNS and healthy ***,rs1047989 in HLA-DQA1 was a candidate locus for SDNS/FRNS but not for *** significant SNPs were observed between SSNSWR and SDNS/***,chromosome 2:171713702 in GAD1 was associated with a greater steroid dose(>0.75 mg/kg/d)upon relapse to first remission in patients with SDNS/FRNS(odds ratio=3.14;95%confidence interval,0.97-9.87;P=0.034).rs117014418 in APOL4 was significantly associated with a decrease in eGFR of greater than 20%compared with the baseline in SDNS/FRNS patients(P=0.0001).Protein-protein intersection network construction suggested that HLA-DQA1 and HLA-DQB1 function together through ***,SSNSWR belongs to non-HLA region-dependent nephropathy,and the HLA-DQA/DQB region is likely strongly associated with dis-ease relapse,especially in SDNS/*** study provides a novel approach for the GWAS strategy of SsNS and contributes to our understanding of the pathological mechanisms of SSNSWRandSDNS/FRNS.

关键词： Frequentrelapse Genome-wide association study Human leukocyte antigen region Steroid-sensitive nephrotic syndrome

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Recent Advances in Microbial Production of Terpenoids from Biomass-derived Feedstocks

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Chemical Research in Chinese Universities 2024年第1期40卷 20-28页

作者： CAO Yujin XIAN mo CAS Key Laboratory of Biobased Materials Qingdao Institute of BioEnergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101P.R.China Shandong Energy Institute Qingdao 266101P.R.China Qingdao New Energy Shandong Laboratory Qingdao 266101P.R.China

Terpenoids are a diverse class of natural products widely used as pharmaceuticals,perfumes,flavors,and ***,terpenoids are obtained from natural sources,such as plants,but their production is limited by the insufficiency of resources and low yields of *** production of terpenoids has emerged as a promising alternative due to that it is sustainable and easy to scale *** review aims to summarize recent advances in microbial production of terpenoids from inexpensive biomass-derived *** pathways and key enzymes involved in terpenoid biosynthesis are *** that can utilize low-cost lignocellulosic feedstocks for terpenoid production are *** challenges and prospects faced by microbial terpenoid production are *** believe that continuous progress in the fields of biomass transformation and synthetic biology will ultimately achieve industrial production of microbial terpenoids.

关键词： Terpenoid Microbial production Biomass-derived feedstock Metabolic pathway

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Comprehensive modeling strategy for thermomechanical tribological behavior analysis of railway vehicle disc brake system

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Friction 2024年第1期12卷 74-94页

作者： Jiabao YIN Chun LU Jiliang mo School of Mechanical Engineering Southwest Jiaotong UniversityChengdu 610031China Technology and Equipment of Rail Transit Operation and Maintenance Key Laboratory of Sichuan Province Chengdu 610031China

A comprehensive modeling strategy for studying the thermomechanical tribological behaviors is proposed in this *** wear degradation considering the influence of temperature(T)is predicted by Archard wear model with the help of the UMESHmoTION subroutine and arbitrary Lagrangian–Eulerian(ALE)remeshing *** the proposed method,the thermomechanical tribological behaviors of railway vehicle disc brake system composed of forged steel brake disc and Cu-based powder metallurgy(PM)friction block are studied *** effectiveness of the proposed methodology is validated by experimental test on a self-designed scaled brake test bench from the perspectives of interface temperature,wear degradation,friction noise and vibration,and contact status *** work can provide an effective way for the investigation of thermomechanical tribological behaviors in the engineering field.

关键词： tribological behaviors thermomechanical field wear prediction finite element simulation disc brake system railway vehicle

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The recirculation flow after different cross-section shaped high-rise buildings with applications to ventilation assessment and drag parameterization

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Building Simulation 2024年第4期17卷 509-524页

作者： Keyi Chen Ziwei mo Jian Hang School of Atmospheric Sciences Sun Yat-sen University&Southern Marine Science and Engineering Guangdong LaboratoryZhuhai519082China Key Laboratory of Tropical Atmosphere-Ocean System Ministry of EducationZhuhai519000China

The building cross-section shape significantly affects the flow characteristics around buildings,especially the recirculation region behind the high-rise *** generic building shapes including square,triangle,octagon,T-shaped,cross-shaped,#-shaped,H-shaped and L-shaped are examined to elucidate their effects on the flow patterns,recirculation length L and areas A using computational fluid dynamics(CFD)simulations with Reynolds-averaged Navier-Stokes(RANS)*** sizes and positions of the vortexes behind the buildings are found to be substantially affected by the building shapes and subsequently changing the recirculation *** recirculation length L is in the range of 1.6b-2.6b with an average of *** maximum L is found for L-shaped building(2.6b)while the shortest behind octagon building(1.6b).The vertical recirculation area Av is in the range of 1.5b^(2)-3.2b^(2)and horizontal area Ah in 0.9b^(2)-2.2b^(2).The L,Av and Ah generally increase with increasing approaching frontal area when the wind direction changes but subject to the dent structures of the#-shaped and cross-shaped *** area-averaged wind velocity ratio(AVR),which is proposed to assess the ventilation performance,is in the range of 0.05 and 0.14,which is around a three-fold difference among the different building *** drag coefficient parameterized by Ah varies significantly,suggesting that previous models without accounting for building shape effect could result in large uncertainty in the drag *** findings provide important reference for improving pedestrian wind environment and shed some light on refining the urban canopy parameterization by considering the building shape effect.

关键词： recirculation region cross-section shape ventilation assessment drag parameterization computational fluid dynamics

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RARRES2 regulates lipid metabolic reprogramming to mediate the development of brain metastasis in triple negative breast cancer

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Military Medical Research 2024年第1期11卷 34-49页

作者： Yi-Qun li Fang-Zhou Sun Chun-Xiao li Hong-Nan mo Yan-Tong Zhou Dan Lv Jing-Tong Zhai Hai-li Qian Fei Ma Department of Medical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China State Key Laboratory of molecular Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China

Background Triple negative breast cancer(TNBC),the most aggressive subtype of breast cancer,is characterized by a high incidence of brain metastasis(BrM)and a poor *** the most lethal form of breast cancer,BrM remains a major clinical challenge due to its rising incidence and lack of effective treatment *** evidence suggested a potential role of lipid metabolic reprogramming in breast cancer brain metastasis(BCBrM),but the underlying mechanisms are far from being fully *** Through analysis of BCBrM transcriptome data from mice and patients,and immunohistochemical validation on patient tissues,we identified and verified the specific down-regulation of retinoic acid receptor responder 2(RARRES2),a multifunctional adipokine and chemokine,in BrM of *** investigated the effect of aberrant RARRES2 expression of BrM in both in vitro and in vivo *** signaling pathway components were evaluated using multi-omics *** were performed to elucidate the regulation of lipid metabolic reprogramming of *** We found that downregulation of RARRES2 is specifically associated with BCBrM,and that RARRES2 deficiency promoted BCBrM through lipid metabolic ***,reduced expression of RARRES2 in brain metastatic potential TNBC cells resulted in increased levels of glycerophospholipid and decreased levels of triacylglycerols by regulating phosphatase and tensin homologue(PTEN)-mammalian target of rapamycin(mTOR)-sterol regulatory element-binding protein 1(SREBP1)signaling pathway to facilitate the survival of breast cancer cells in the unique brain *** Our work uncovers an essential role of RARRES2 in linking lipid metabolic reprogramming and the development of ***2-dependent metabolic functions may serve as potential biomarkers or therapeutic targets for BCBrM.

关键词： RARRES2 lipid metabolic reprogramming Brain metastasis(BrM) Breast cancer

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Transient receptor potential vanilloid 1 involved in the analgesic effects of total flavonoids extracted from Longxuejie(Resina Dracaenae Cochinchinensis)

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Journal of Traditional Chinese Medicine 2024年第3期44卷 437-447页

作者： mo Xiaoqiang CHEN Yating YIN Qian CHEN Haibo BAN Qiang li Jun CHEN Su YAO Jinguang Department of Stomatology Affiliated Hospital of Youjiang Medical University for NationalitiesBaise 533000China College of General Practitioners Youjiang Medical University for NationalitiesBaise 533000China College of Biomedical Engineering South-Central Minzu UniversityKey Laboratory of Cognitive Science of State Ethnic Affairs CommissionHubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis and TreatmentWuhan 430074China College of Pharmacy South-Central Minzu UniversityWuhan 430074China

OBJECTIVE: To evaluate the analgesic effects of total flavonoids of Longxuejie(Resina Dracaenae Cochinchinensis)(TFDB) and explore the possible analgesic mechanism associated with transient receptor potential vanilloid 1(TRPV1).METHODS: Whole-cell patch clamp technique was used to observe the effects of TFDB on capsaicin-induced TRPV1 currents. Rat experiments in vivo were used to observe the analgesic effects of TFDB. Western blot and immunofluorescence experiments were used to test the change of TRPV1 expression in DRG neurons induced by ***: Results showed that TFDB inhibited capsaicin-induced TRPV1 receptor currents in acutely isolated dorsal root ganglion(DRG) neurons of rats and the half inhibitory concentration was(16.7 ± 1.6) mg/***(2-20 mg/kg) showed analgesic activity in the phase Ⅱ of formalin test and(0.02-2 mg per paw)reduced capsaicin-induced licking times of rats. TFDB(20 mg/kg) was fully efficacious on complete Freund's adjuvant(CFA)-induced inflammatory thermal hyperalgesia and capsaicin could weaken the analgesic effects. The level of TRPV1 expressions of DRG neurons was also decreased in TFDB-treated CFA-inflammatory pain ***: All these results indicated that the analgesic effect of TFDB may contribute to their modulations on both function and expression of TRPV1 channels in DRG neurons.

关键词： Freund's adjuvant formaldehyde capsaicin flavonoids Longxuejie(Resina Dracaenae Cochinchinensis) transient receptor potential vanilloid 1 inflammatory pain

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A new quantity in Finsler geometry

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Science China Mathematics 2024年第4期67卷 883-890页

作者： Xiaohuan mo Xiaoyang Wang Key Laboratory of Pure and Applied Mathematics School of Mathematical SciencesPeking UniversityBeijing 100871China School of Mathematics and Statistics Beijing Institute of TechnologyBeijing 100081China

In this paper,we study a new Finslerian quantity■defined by the T-curvature and the angular metric *** show that the■-curvature not only gives a measure of the failure of a Finsler metric to be of scalar flag curvature but also has a vanishing *** find that the■-curvature is closely related to the Riemann curvature,the Matsumoto torsion and theΘ-*** solve ***’s open problem in terms of the■-***,we give a global rigidity result for Finsler metrics of negative Ricci curvature on a compact manifold via the■-curvature,generalizing a theorem previously only known in the case of negatively curved Finsler metrics of scalar flag curvature.

关键词： Finsler metric Finslerian quantity T-curvature -curvature Randers metric

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Enhanced remediation of chlorpyrifos-contaminated soil by immobilized strain Bacillus H27

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Journal of Environmental Sciences 2024年第10期144卷 172-184页

作者： changrui liu Shengfang Wen Shuhan li Yu Tian Lanjun Wang Lusheng Zhu Jun Wang Young mo Kim Jinhua Wang National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources Key Laboratory of Agricultural Environment in Universities of ShandongCollege of Resources and EnvironmentShandong Agricultural UniversityTaian 271018China Department of Civil and Environmental Engineering Hanyang UniversitySeongdong-guSeoul 04763Korea

Chlorpyrifos is a pesticide widely used in agricultural production with a relatively long residual half-life in *** the problem of residual chlorpyrifos is of universal *** this study,rice hull biochar was used as an immobilized carrier to prepare the immobilized strain H27 for the remediation of chlorpyrifos-contamination *** microorganisms after remediation were investigated by ecotoxicological *** immobilized strain H27 had the highest removal rate of chlorpyrifos when 10%bacterial solution was added to the liquid medium containing 0.075-0.109 mm diameter biochar cultured for 22 *** study on the removal of chlorpyrifos by immobilized strain H27 showed that the initial concentration of chlorpyrifos in solution was 25mg/L,and the removal rate reached 97.4%after 7 days of *** the soil,the removal rate of the immobilized bacteria group increased throughout the experiment,which was significantly higher than that of the free bacteria and biochar treatment *** Biolog-ECO test,T-RFLP and RT-RCR were used to study the effects of the soil microbial community and nitrogen cycling functional genes during chlorpyrifos *** was found that ICP group had the highest diversity index among the four treatment *** microflora of segment containing 114 bp was the dominant bacterial community,and the dominant microflora of the immobilized bacteria group was more evenly *** influence of each treatment group on ammonia-oxidizing bacteria(AOB)was greater than on ammonia-oxidizing archaea(AOA).This study offers a sound scientific basis for the practical application of immobilized bacteria to reduce residual soil pesticides.

关键词： Chlorpyrifos Immobilized microorganisms Soil remediation Soil microorganism

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Aquaporin-3 promotes proliferation and inflammation in hepatocellular carcinoma

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Genes & Diseases 2024年第4期11卷 45-48页

作者： Yao Wang Yalan Wu Xueying li Weiwei Song Fengling Zheng Xiaoying mo Yi Luo Yun li Song Chen Huanhuan Luo School of Basic Medical Sciences Guangzhou University of Chinese MedicineGuangzhouGuangdong 510006China The School of Health Guangzhou Vocational University of Science andTechnologyGuangzhouGuangdong 510555China Zhongshan Hospital of Traditional Chinese Medicine ZhongshanGuangdong 528401China The Journal Center Guangzhou University of Chinese MedicineGuangzhouGuangdong 510006China Jiangsu Vocational College of Medicine YanchengJiangsu 224005China Science and Technology Innovation Center Guangzhou University of Chinese MedicineGuangzhouGuangdong 510006China State Key Laboratory of Dampness Syndrome of Chinese Medicine GuangzhouGuangdong 510006China

Carcinogenesis is closely associated with *** have shown that lipopolysaccharides(LPS)can contribute to hepatocellular carcinoma(HC)development by inducing IL-6 and TNF-αproduction from the hepatic progenitor cells.1 Aquaporin 3(AQP3),a water channel protein,has recently been found to play a critical role in cancer-associated inflammation.

关键词： inflammation. hepatocellular inflammation

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Driver Steering Behaviour modelling Based on Neuromuscular Dynamics and Multi‑Task Time‑Series Transformer

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Automotive Innovation 2024年第1期7卷 45-58页

作者： Yang Xing Zhongxu Hu Xiaoyu mo Peng Hang Shujing li Yahui liu Yifan Zhao Chen Lv School of Aerospace Transport and ManufacturingCranfield UniversityCranfield MK430ALUnited Kingdom School of Mechanical and Aerospace Engineering Nanyang Technological UniversitySingapore 639798Singapore College of Transportation Engineering Tongji UniversityShanghai 200092China College of Computer Science and Technology Jilin UniversityChangchun 130012China School of Vehicle and mobility Tsinghua UniversityBeijing 100084China

Driver steering intention prediction provides an augmented solution to the design of an onboard collaboration mechanism between human driver and intelligent *** this study,a multi-task sequential learning framework is developed to pre-dict future steering torques and steering postures based on upper limb neuromuscular electromyography *** joint representation learning for driving postures and steering intention provides an in-depth understanding and accurate modelling of driving steering *** different testing scenarios,two driving modes,namely,both-hand and single-right-hand modes,are *** each driving mode,three different driving postures are further ***,a multi-task time-series transformer network(MTS-Trans)is developed to predict the future steering torques and driving postures based on the multi-variate sequential input and the self-attention *** evaluate the multi-task learning performance and information-sharing characteristics within the network,four distinct two-branch network architectures are *** validation is conducted through a driving simulator-based experiment,encompassing 21 *** pro-posed model achieves accurate prediction results on future steering torque prediction as well as driving posture recognition for both two-hand and single-hand driving *** findings hold significant promise for the advancement of driver steering assistance systems,fostering mutual comprehension and synergy between human drivers and intelligent vehicles.

关键词： Driver steering behaviours Neuromuscular dynamics Multi-task learning Sequential transformer Intelligent vehicles

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