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TRPC6 Knockout Alleviates Renal Fibrosis through PI3K/AKT/GSK3B Pathway

Current Medical Science 2024年第3期44卷 589-602页

作者： An-bang SUN Fang-hua LI Lin ZHU xi-xi zeng Min ZHU Qing-hua LEI Yan-hong LIAO Department of Anatomy School of Basic MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Department of Transfusion Medicine Wuhan Hospital of Traditional Chinese and Western MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Department of Nephrology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou450052China Department of Thoracic Surgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China National Basic Medical Teaching Demonstration Center Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Key Laboratory of Neurological Diseases of Ministry of Education Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China

Objective Renal fibrosis is the ultimate pathway of various forms of acute and chronic kidney ***,the knockout of transient receptor potential channel 6(TRPC6)has shown promise in alleviating renal ***,the regulatory impact of TRPC6 on renal fibrosis remains *** In vivo,TRPC6 knockout(TRPC6−/−)mice and age-matched 129 SvEv(WT)mice underwent unilateral renal ischemia-reperfusion(uIR)injury surgery on the left renal pedicle or sham *** and serum were collected on days 7,14,21,and 28 after *** vitro,primary tubular epithelial cells(PTECs)were isolated from TRPC6−/−and WT mice,followed by treatment with transforming growth factorβ1(TGFβ1)for 72 *** anti-fibrotic effect of TRPC6−/−and the underlying mechanisms were assessed through hematoxylin-eosin staining,Masson staining,immunostaining,qRT-PCR,and Western *** Increased TRPC6 expression was observed in uIR mice and PTECs treated with TGFβ***6−/−alleviated renal fibrosis by reducing the expression of fibrotic markers(Col-1,α-SMA,and vimentin),as well as decreasing the apoptosis and inflammation of PTECs during fibrotic progression both in vivo and in ***,we found that the phosphatidylinositol 3-kinase(PI3K)/protein kinase B(AKT)/glycogen synthase kinase 3 beta(GSK3β)signaling pathway,a pivotal player in renal fibrosis,was down-regulated following TRPC6 *** These results suggest that the ablation of TRPC6 may mitigate renal fibrosis by inhibiting the apoptosis and inflammation of PTECs through down-regulation of the PI3K/AKT/GSK3β*** TRPC6 could be a novel therapeutic strategy for preventing chronic kidney disease.

关键词： transient receptor potential channel 6 ischemia-reperfusion injury renal fibrosis renal tubular epithelial cells

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Achieving structurally stable O3-type layered oxide cathodes through site-specific cation-anion co-substitution for sodium-ion batteries

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Journal of Energy Chemistry 2024年第6期93卷 411-418,I0011页

作者： Yihao Shen Chen Cheng xiao xia Lei Wang xi Zhou Pan zeng Jianrong zeng Liang Zhang Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123JiangsuChina Institute for Advanced Study School of Mechanical EngineeringChengdu UniversityChengdu 610106SichuanChina Shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201204China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China Jiangsu Key Laboratory of Advanced Negative Carbon Technologies Soochow UniversitySuzhou 215123JiangsuChina

O3-type layered oxides have garnered great attention as cathode materials for sodium-ion batteries because of their abundant reserves and high theoretical ***,challenges persist in the form of uncontrollable phase transitions and intricate Na^(+)diffusion pathways during cycling,resulting in compromised structural stability and reduced capacity over *** study introduces a special approach employing site-specific Ca/F co-substitution within the layered structure of O_(3)-NaNi_(0.5)Mn_(0.5)O_(2) to effectively address these ***,the strategically site-specific doping of Ca into Na sites and F into O sites not only expands the Na^(+)diffusion pathways but also orchestrates a mild phase transition by suppressing the Na^(+)/vacancy ordering and providing strong metal-oxygen bonding strength,*** as-synthesized Na_(0.95)Ca_(0.05)Ni_(0.5)Mn_(0.5)O_(1.95)F_(0.05)(NNMO-CaF)exhibits a mild O3→O3+O'3→P3 phase transition with minimized interlayer distance variation,leading to enhanced structural integrity and stability over extended *** a result,NNMO-CaF delivers a high specific capacity of 119.5 mA h g^(-1)at a current density of 120 mA g^(-1)with a capacity retention of 87.1%after 100 *** study presents a promising strategy to mitigate the challenges posed by multiple phase transitions and augment Na^(+)diffusion kinetics,thus paving the way for high-performance layered cathode materials in sodium-ion batteries.

关键词： Sodium-ion batteries O3-type layered oxides Site-specific co-doping Phase transition

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Essential oil extracted from Quzhou Aurantii Fructus prevents acute liver failure through inhibiting lipopolysaccharide-mediated inflammatory response

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Natural Products and Bioprospecting 2023年第1期13卷 368-381页

作者： Tian Lan Wen Wang De-Lian Huang xi-xi zeng xiao-xiao Wang Jian Wang Yu-Hua Tong Zhu-Jun Mao Si-Wei Wang The Joint Innovation Center for Health and Medicine Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical UniversityNo.100 Minjiang RoadQuzhou 324000China Preventive Treatment Center Zhejiang Chinese Medical University Affiliated Four-provinces Marginal Hospital of Traditional Chinese MedicineQuzhou Hospital of Traditional Chinese MedicineQuzhou 324000China School of Medical Technology and Information Engineering Zhejiang Chinese Medical UniversityHangzhou 310053China Department of Drug Analysis Center Quzhou Institute for Food and Drug ControlQuzhou 324000China Department of Ophthalmology Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical UniversityQuzhou 324000China College of Pharmaceutical Sciences Zhejiang Chinese Medical UniversityNo.548 Binwen RoadHangzhou 310053China

Quzhou Aurantii Fructus(QAF)has a long history as a folk medicine and food for the treatment of liver *** our earlier study provided evidence of hepatoprotective properties contained within the flavonoids and limonins constituents in QAF,the potential preventative effects afforded by essential oil components present within QAF remains *** this study,we prepared Quzhou Aurantii Fructus essential oil(QAFEO)and confirmed its anti-inflammatory effects on liver inflammation through experimentation on lipopolysaccharide and D-galactosamine(LPS/D-GalN)induced acute liver failure(ALF)mouse *** RNA-sequence(RNA-seq)analysis,we found that QAFEO prevented ALF by systematically blunting the pathways involved in response to LPS and toll-like receptor signaling *** effectively suppressed the phosphorylation of tank-binding kinase 1(TBK1),TGF-beta activated kinase 1(TAK1),interferon regulatory factor 3(IRF3),and the activation of mitogen activated kinase-like protein(MAPK)and nuclear factor-kappa B(NF-κB)pathways in vivo and in ***,QAFEO substantially reduced myeloid differentiation primary response gene 88(MyD88)-toll-like receptor 4(TLR4)interaction ***,8 compounds from QAFEO could directly bind to REAL,TAK1,MyD88,TBK1,and *** together,the results of our study support the notion that QAFEO exerts a hepatoprotective effect through inhibiting LPS-mediated inflammatory response.

关键词： Quzhou Aurantii Fructus Essential oil Acute liver failure LPS Inflammation

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Cyanidin-3-O-glucoside alleviates trimethyltin chloride-induced neurodegeneration by maintaining glutamate homeostasis through modulation of the gut microbiota

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Food Science and Human Wellness 2024年第2期13卷 1093-1107页

作者： Yu xi Wenhui Li Junru Wang Meihong Yu xiangquan zeng He Li Jian Li Key Laboratory of Green and Low-Carbon Processing Technology for Plant-Based Food of China National Light Industry Council Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology and Business UniversityBeijing 100048China

Trimethyltin chloride(TMT)is a potent neurotoxin to cause neurodegeneration,especially in *** study aimed to identify dietary components that can effectively attenuate TMT-induced neurodegeneration in *** predominant anthocyanin in human diets,cyanidin-3-O-glucoside(C3G,5 or 50 mg/kg),was given to mice for 16 days,and TMT(2.7 mg/kg)was injected intraperitoneally once on the eighth day.C3G(50 mg/kg)significantly alleviated TMT-induced seizures and subsequent cognitive impairment by ameliorating hippocampal neurodegeneration and synaptic ***,C3G treatment restored glutamate homeostasis in brain and reversed glutamine synthetase(GS)inhibition in reactive astrogliosis and neuroinflammation,which are critical for C3G's neuroprotective ***,C3G decreased the lipopolysaccharide,tumor necrosis factor-α,interleukin-6,and interleukin-1βlevels in the mice,which potentially by modulating the relative abundance of Atopobiaceae and Lachnospiraceae in the gut.C3G may be a promising and practical dietary component for reducing TMT-induced neurodegeneration.

关键词： Cyanidin-3-O-glucoside Trimethyltin Neurodegeneration Glutamatergic pathway Gut microbiota

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Constant charge method or constant potential method:Which is better for molecular modeling of electrical double layers?

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Journal of Energy Chemistry 2024年第7期94卷 54-60页

作者： Liang zeng xi Tan xiangyu Ji Shiqi Li Jinkai Zhang Jiaxing Peng Sheng Bi Guang Feng State Key Laboratory of Coal Combustion Schoolof Energy and PowerEngineeringHuazhong Universityof Science and Technology(HUST)Wuhan 430074HubeiChina Sorbonne Universite CNRSPhysico-chimie des Electrolytes et Nanosystemes InterfaciauxPHENIXF-75005 ParisFrance

In molecular modeling of electrical double layers(EDLs),the constant charge method(CCM)is prized for its computational efficiency but cannot maintain electrode equipotentiality like the more resourceintensive constant potential method(CPM),potentially leading to *** certain scenarios,CCM can yield results identical to ***,there are no clear guidelines to determine when CCM is sufficient and when CPM is ***,we conduct a series of molecular simulations across various electrodes and electrolytes to present a comprehensive comparison between CCM and CPM under different charging *** reveal that CCM approximates CPM effectively in capturing equilibrium EDL and current-driven dynamics in open electrode systems featuring ionic liquids or regular concentration aqueous electrolytes,while CPM is indispensable in scenarios involving organic and highly concentrated aqueous electrolytes,nanoconfinement effects,and voltage-driven *** work helps to select appropriate methods for modeling EDL systems,prioritizing accuracy while considering computationalefficiency.

关键词： Electrochemical interface Molecular dynamics Electrode polarization modeling Nanoconfinement effect

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Automatic Generation Control in a Distributed Power Grid Based on Multi-step Reinforcement Learning

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Protection and Control of Modern Power Systems 2024年第4期9卷 39-50页

作者： Wenmeng Zhao Tuo zeng Zhihong Liu Lihui xie Lei xi Hui Ma the Electric Power Research Institute Southern Power GridGuangzhou 510663China the Heyuan Power Supply Bureau Guang-dong Power Grid Co.Ltd.Heyuan 517000China the College of Electrical Engineering&New Energy China Three Gorges UniversityYichang 443002China the College of Electrical Engineering&New Energy and Hubei Provincial Key Laboratory for Operation and Control of Cascaded Hydropower Station China Three Gorges UniversityYichang 443002China IEEE

The increasing use of renewable energy in the power system results in strong stochastic disturbances and degrades the control performance of the distributed power *** this paper,a novel multi-agent collaborative reinforcement learning algorithm is proposed with automatic optimization,namely,Dyna-DQL,to quickly achieve an optimal coordination solution for the multi-area distributed power *** proposed Dyna framework is combined with double Q-learning to collect and store the environmental *** can iteratively update the agents through buffer replay and real-time *** the environmental data can be fully used to enhance the learning speed of the *** mitigates the negative impact of heavy stochastic disturbances caused by the integration of renewable energy on the control *** are conducted on two different models to validate the effectiveness of the proposed *** results demonstrate that the proposed Dyna-DQL algorithm exhibits superior stability and robustness compared to other reinforcement learning algorithms.

关键词： Automatic generation control Dyna framework distributed power grid multi-agent mod-el-based reinforcement learning

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DMF-scMT-seq linking methylome and transcriptome within single cells with digital microfluidics

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Science China Chemistry 2024年第6期67卷 2070-2078页

作者： xing Xu xi zeng xin Lin Shiyan Lin Shanshan Liang Tian Tian Rui Su Jia Song Chaoyong Yang Collaborative Innovation Center of Chemistry for Energy Materials The MOE Key Laboratory of Spectrochemical Analysis and InstrumentationState Key Laboratory of Physical Chemistry of Solid SurfacesDepartment of Chemical BiologyCollege of Chemistry and Chemical EngineeringThe First Affiliated Hospital of Xiamen UniversityXiamen UniversityXiamen361005China Institute of Molecular Medicine Renji HospitalShanghai Jiao Tong University School of MedicineShanghai200127China Chemistry and Materials Science College Shanghai Normal UniversityShanghai200234China Chemistry and Biomedicine Innovation Center(ChemBIC) School of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023China

Single-cell joint analysis of methylome and transcriptome reveals how the methylation regulates the transcriptional ***,traditional bench-top protocols for single-cell DNA methylation and RNA transcription co-detection are laborintensive,cost-ineffective and ***,we establish the DMF-sc MT-seq,a highly-efficient and cost-effective method to simultaneously analyze single-cell DNA methylation and transcriptional activity based on digital *** MT-seq automates the workflow of single-cell isolation,cellular hypotonic lysis,nucleic acid separation and methylome/transcriptome library construction in a contactless and addressable *** system ensures high accuracy(R>0.85),high gene detection ability(14,697 genes per cell at 4 million sequencing depth),and high CpG coverage(677,198 CpG sites per cell at 1million sequencing depth).By using DMF-sc MT-seq,the relationship of DNA methylation and RNA transcription under different genomic contexts is *** further apply DMF-sc MT-seq to study the dynamics of transcription regulation with methylation-inhibiting anti-tumor Decitabine,and identify the methylated promoter/gene body driven genes in response to Decitabine ***-sc MT-seq facilitates the construction of the correlation of DNA methylation and transcriptional activity at the single-cell level in a flexible,sensitive and accurate way,which is anticipated to be a powerful tool in studying single-cell biological systems.

关键词： single-cell analysis digital microfluidics methylome sequencing transcriptome sequencing

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Precision medicine in inflammatory bowel disease

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Precision Clinical Medicine 2024年第1期7卷 54-80页

作者： Zhen zeng Mingshan Jiang xi Li Jing Yuan Hu Zhang Department of Gastroenterology West China HospitalSichuan UniversityChengdu 610041China Centrefor Inflammatory Bowel Disease West China HospitalSichuan UniversityChengdu 610041China Lab of Inflammatory Bowel Disease Frontiers Science Center for Disease-Related Molecular NetworkWest China HospitalSichuan UniversityChengdu 610041China General Practice Ward/International Medical Center Ward General Practice Medical CenterWest China HospitalSichuan UniversityChengdu 610041China

Inflammatory bowel disease(IBD)is an incurable disease characterized by remission-relapse cycles throughout its *** Crohn's disease(CD)and ulcerative colitis(UC),the two main forms of IBD,exhibit tendency to develop complications and substantial heterogeneity in terms of frequency and severity of relapse,thus posing great challenges to the clinical management for *** treatment strategies are effective in different ways in induction and maintenance therapies for *** advances in studies of genetics,pharmacogenetics,proteomics and microbiome provide a strong driving force for identifying molecular markers of prognosis and treatment response,which should help clinicians manage IBD patients more effectively,and then,improve clinical outcomes and reduce treatment costs of *** this review,we summarize and discuss precision medicine in IBD,focusing on predictive markers of disease course and treatment response,and monitoring indices during therapeutic drug monitoring.

关键词： disease course inflammatory bowel disease precision treatment precision monitoring treatment response

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End-Triassic storm deposits in the lacustrine Sichuan Basin and their driving mechanisms

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Science China Earth Sciences 2024年第7期67卷 2383-2400页

作者： Jianli zeng Tingshan ZHANG Mihai Emilian POPA Yongdong WANG xi ZHANG Liqin LI Yuanyuan XU Ning LU xiaoqing ZHANG School of Geoscience and Technology Southwest Petroleum University Chengdu 610500China Sichuan Key Laboratory of Natural Gas Geology Southwest Petroleum University Chengdu 610500China Faculty of Geology and Geophysics Doctoral Schoolof Geology Laboratory of Palaeontology University of Bucharest.Bucharest 010041Romania Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing 210008China University of Chinese Academy of Sciences NanjingNanjing 210008China University of Chinese Academy of Sciences Beijing 100049China

Storm deposits or tempestites are event sequences formed by storms,requiring at least a water temperature of 26.5℃.While inland lakes are unlikely to form storm deposits because of their limited width and water *** Upper Triassic Xujiahe Formation in the Sichuan Basin is a set of coal-bearing,clastic sequences with dominant sedimentary facies varying from braided river delta to lacustrine settings,with storm deposits widely *** the Zilanba of Guanyuan area,in situ tree trunks on a palaeosol surface in Member Vof the Xujiahe Formation provide new evidence of a storm *** fallen-down directions of nine in situ tree trunks were predominant in the NW direction,contrary to the palaeocurrent direction of the underlying strata,suggesting that the southeasterlies prevailed during the end-Triassic in the northern Sichuan *** mud clasts were frequently recorded in sandstones of the Xujiahe Formation,as well as in the xindianzi *** mud clasts showed a rip-up or a plastic deformation with upside-down V-shapes,were capped on an erosional surface,showed no transport traces and were therefore interpreted as a storm lag *** megamonsoonal climate prevailed during the Late Triassic,although the megamonsoons themselves could not generate a storm deposition in the Xujiahe Formation due to its low maximum surface wind *** driving mechanism for generating storm deposits in the Xujiahe Formation is suggested to be tropical cyclones over the Tethys Ocean moving eastward,further landfalling on the western margin of the Sichuan *** of storm events in the circum-Tethys region show a widespread storm surge in low latitudes during the *** storm deposits at the top of the Xujiahe Formation represent a sedimentary response to the end-Triassic hyperthermal event.

关键词： Sichuan Basin End-Triassic Xujiahe Formation Storm deposits

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Working condition recognition of sucker rod pumping system based on 4-segment time-frequency signature matrix and deep learning

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Petroleum Science 2024年第1期21卷 641-653页

作者： Yun-Peng He Hai-Bo Cheng Peng zeng Chuan-Zhi Zang Qing-Wei Dong Guang-xi Wan xiao-Ting Dong State Key Laboratory of Robotics Shenyang Institute of AutomationChinese Academy of SciencesShenyang 110016LiaoningChina Key Laboratory of Networked Control Systems Chinese Academy of SciencesShenyang 110016LiaoningChina Institutes for Robotics and Intelligent Manufacturing Chinese Academy of SciencesShenyang 110169LiaoningChina University of Chinese Academy of Sciences Beijing100049China School of Artifcial Intelligence Shenyang University of TechnologyShenyang 110870LiaoningChina

High-precision and real-time diagnosis of sucker rod pumping system(SRPS)is important for quickly mastering oil well *** learning-based method for classifying the dynamometer card(DC)of oil wells is an efficient diagnosis ***,the input of the DC as a two-dimensional image into the deep learning framework suffers from low feature utilization and high computational ***,different SRPSs in an oil field have various system parameters,and the same SRPS generates different DCs at different ***,there is heterogeneity in field data,which can dramatically impair the diagnostic *** solve the above problems,a working condition recognition method based on 4-segment time-frequency signature matrix(4S-TFSM)and deep learning is presented in this ***,the 4-segment time-frequency signature(4S-TFS)method that can reduce the computing power requirements is proposed for feature extraction of DC ***,the 4S-TFSM is constructed by relative normalization and matrix calculation to synthesize the features of multiple data and solve the problem of data ***,a convolutional neural network(CNN),one of the deep learning frameworks,is used to determine the functioning conditions based on the *** on field data verify that the proposed diagnostic method based on 4S-TFSM and CNN(4S-TFSM-CNN)can significantly improve the accuracy of working condition recognition with lower computational *** the best of our knowledge,this is the first work to discuss the effect of data heterogeneity on the working condition recognition performance of SRPS.

关键词： Sucker-rod pumping system Dynamometer card Working condition recognition Deep learning Time-frequency signature Time-frequency signature matrix

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