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High glucose reduces Nrf2-dependent cRAGE release and enhances inflammasome-dependent IL-1βproduction in monocytes:the modulatory effects of EGCG

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Food Science and Human Wellness 2024年第3期13卷 1531-1542页

作者： Chi-Hao wu yin-Hsuan Chang Chin-Lin Hsu Sheng-Yi Chen Gow-Chin Yen Graduate Programs of Nutrition Science School of Life ScienceTaiwan Normal UniversityTaipei 106209TaiwanChina Department of Food Science and Biotechnology Chung Hsing UniversityTaichung 40227TaiwanChina School of Nutrition Chung Shan Medical UniversityTaichung 40201TaiwanChina

Soluble receptor for advanced glycation end products(sRAGE)acts as a decoy sequestering of RAGE ligands,thus preventing the activation of the ligand-RAGE axis linking human ***,the molecular mechanisms underlying sRAGE remain *** this study,THP-1 monocytes were cultured in normal glucose(NG,5.5 mmol/L)and high glucose(HG,15 mmol/L)to investigate the effects of diabetesrelevant glucose concentrations on sRAGE and interleukin-1β(IL-1β)*** modulatory effects of epigallocatechin gallate(EGCG)in response to HG challenge were also *** enhanced intracellular reactive oxygen species(ROS)generation and RAGE *** secretion of sRAGE,including esRAGE and cRAGE,was reduced under HG conditions,together with the downregulation of a disintegrin and metallopeptidase 10(ADAM10)and nuclear factor erythroid 2-related factor 2(Nrf2)nuclear ***,the HG effects were counteracted by siRAGE and exacerbated by *** immunoprecipitation results showed that Nrf2 binding to the ADAM10 promoter and HG interfered with this *** data reinforce the notion that RAGE and Nrf2 might be sRAGE-regulating *** HG conditions,the treatment of EGCG reduced ROS generation and RAGE ***-stimulated cRAGE release was likely caused by the upregulation of the Nrf2-ADAM10 *** inhibited HG-mediated NLRP3 inflammasome activation at least partly by stimulating sRAGE,thereby reducing IL-1βrelease.

关键词： Epigallocatechin gallate(EGCG) Inflammasome Nuclear factor erythroid 2-related factor 2(Nrf2) Receptor for advanced glycation end products(RAGE) Soluble RAGE(sRAGE)

Red blood cell membrane-coated FLT3 inhibitor nanoparticles to enhance FLT3-ITD acute myeloid leukemia treatment

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Chinese Chemical Letters 2024年第9期35卷 303-308页

作者： Jisheng Liu Junli Chen Xifeng Zhang yin wu Xin Qi Jie Wang Xiang Gao Department of Neurosurgery and Institute of Neurosurgery State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalWest China Medical SchoolSichuan UniversityChengdu 610041China West China School of Basic Medical Sciences&Forensic Medicine Sichuan UniversityChengdu 610041China Department of Hematology West China HospitalSichuan UniversityChengdu 610041China

FMS-like tyrosine kinase 3(FLT3)is a viable and important therapeutic target for acute myeloid leukemia(AML).FLT3 internal tandem duplication(FLT3-ITD)mutations have been identified in approximately 30%of AML patients,and are associated with unfavorable prognosis,higher risk of relapse,drug resistance,and poor clinical *** FLT3 inhibitors have demonstrated promising efficacy,they cannot cure AML or even significantly extend the lives of patients with FLT3-ITD *** is partly because of poor water solubility,insufficient membrane penetration and short half-life of small molecule ***,the presence of enzymes like CYP3A4 in bone marrow accelerate the elimination and metabolism of FLT3 inhibitors,resulting in low plasma concentrations and side *** we report the erythrocyte membrane-camouflaged FLT3 inhibitor nanoparticles to enhance FLT3-ITD AML ***,we physically coextruded red blood cell(RBC)membrane vesicles with nanoparticles derived from FLT3 inhibitor F30 to obtain F30@RBC-M,which exhibited comparable potent FLT3-ITD inhibitory effects compared to free F30 in vitro,while displaying a higher potent antitumor efficacy in xenograft models due to the prolonged circulation ***,administration of F30@RBC-M significantly extended the survival of mice in a transplanted mouse model than F30 free *** findings suggest that RBC membrane-coated nanoparticles derived from FLT3 inhibitors hold promise as a tool to enhance the therapeutic efficacy to treat FLT3-ITD AML.

关键词： FLT3-ITD Acute myeloid leukemia AML Red blood cell membrane Biomimetics

Metal complexes of bipyridine-functionalized covalent organic frameworks as efficient electrocatalysts for oxygen evolution reaction

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Rare Metals 2024年第7期43卷 3096-3106页

作者： Zhuang-Zhuang wu Tian Xia ying Liang Yong-Peng Li Zhu-yin Sui Li-Juan Feng Dao-Xiong wu Xin-Long Tian Qi Chen State Key Laboratory of Marine Resource Utilization in South China Sea School of Marine Science and EngineeringHainan UniversityHaikou 570228China School of Chemistry and Chemical Engineering Yantai UniversityZhuhai519041China School of Bioengineering Zhuhai Campus of Zunyi Medical UniversityZhuhai519041China

Electrocatalytic water splitting is considered a clean and practic al method for producing *** this study,COF-Bpy,a bipyridine-functionalized covalent organic framework(COF),was prepared via post-synthetic modification,after which electrocatalysts for the oxygen evolution reactions(OER)were formed through coordination to single-or double-transition metals(Fe,Co,Ni,FeCo,FeNi or CoNi).COF-Bpy@FeNi delivered the best OER performance among the studied electrocatalysts,with an overpotential of 399 mV at 10 mA·cm^(-2)in an alkaline electrolyte(1.0 mol·L^(-1)KOH aqueous).Notably,the electrocatalytic performance of COF-Bpy@FeNi showed slight degradation during durability testing,which is ascribable to its irreversible benzoquinoline structure and strong metal *** expected,COF-Bpy@FeNi exhibited a low overpotential of 347 mV at a turnover frequency(TOF)of 0.1 s^(-1),which suggests that COF-Bpy@FeNi possesses excellent intrinsic electroc atalytic OER ***,density functional theory(DFT)calculations reveal that the Ni site plays a major role,while the Fe site adjusts the electronic structure of the Ni ions,which rationalizes the excellent OER properties of COF-Bpy@*** study not only provides a simple and efficient method for complexing COFs with transition metals,but also offers a novel strategy for designing porous organic polymer electrocatalysts.

关键词： Covalent organic framework Oxygen evolution reactions(OER)electrocatalyst Nickel-iron synergy Water splitting

Effect of the Filling Liquid Ratio on the Thermal Performance of a Novel Thermal Diode with Wick

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Journal of Thermal Science 2024年第2期33卷 396-407页

作者： LI Zhiyong MING Tingzhen ZHANG Heyu ZHAO Sitong WANG Qinggang CAI Cunjin yin Kui FANG Yueping wu Yongjia School of Civil Engineering and Architecture Wuhan University of TechnologyWuhan430070China Sanya Science and Education Innovation Park Wuhan University of TechnologySanya572004China Deparment of Four Station Logistics AcademyXuzhou221000China School of Energy Construction and EnvironmentCoventry UniversityPriory StreetCoventryCV15FBUK

The application of thermal diodes,which allow heat to flow more readily in one direction than the other,is an important way to reduce energy consumption in buildings and enhance the battery heat dissipation of electric *** on various factors including the specific design,materials used,and operating conditions,the convective thermal diode can exhibit the best thermal rectification effect in intended applications compared to the other thermal *** this study,a novel convective thermal diode with a wick was proposed based on the phase change heat transfer *** design takes advantage of both capillary forces provided by the wick and gravity to achieve enhanced unidirectional heat transfer performance for the designed convective thermal *** effect of the filling liquid ratio on the thermal performance of the thermal diode was experimentally investigated,which was in good agreement with the theoretical *** research findings showed that with an optimal liquid filling ratio of 140%,the thermal diode with a wick can achieve a better thermal rectification ratio when subjected to a lower heating power,and the maximum thermal rectification ratio of 21.76 was experimentally achieved when the heating power of the thermal diode was 40 W.

关键词： filling liquid ratio thermal diode wick structure gravity

Chemical biology investigation of a triple-action,smart-decomposition antimicrobial booster based-combination therapy against“ESKAPE”pathogens

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Science China Chemistry 2024年第9期67卷 3071-3082页

作者： Min Wang Huangsheng Pu Yangfan Xu Chenxuan wu Yuanxin Gu Qingyun Cai Guoxing yin Peng yin Chunhui Zhang Wing-Leung Wong Muyang Wan Yugang Bai Xinxin Feng State Key Laboratory of Chem-/Bio-Sensing and Chemometrics Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biologyand School of Chemistry and Chemical EngineeringHunan UniversityChangsha 410082China College of Biology Hunan UniversityChangsha 410082China College of Advanced Interdisciplinary Studies&Hunan Provincial Key Laboratory of Novel Nano Optoelectronic Information Materials and Devices National University of Defense TechnologyChangsha 410073China Nanhu Laser Laboratory National University of Defense TechnologyChangsha 410073China Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research(Ministry of Education) College of Chemistry and Chemical EngineeringHunan Normal UniversityChangsha 410081China State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic UniversityHong Kong SAR 999077China Hunan Provincial Key Laboratory of Anti-Resistance Microbial Drugs The Third Hospital of Changsha(The Affiliated Changsha Hospital of Hunan University)Changsha 410015China

The global antibiotic resistance crisis necessitates urgent *** innovative approach involves potentiating antibiotics and non-antibiotic drugs with adjuvants or boosters.A major drawback of these membrane-active boosters is their limited biocompatibility,as they struggle to differentiate between prokaryotic and eukaryotic *** study reports the chemical biology investigation of a dual-action oligoamidine(OA1)booster with a glutathione-triggered decomposition ***1,when combined with other antimicrobial molecules,exhibits a triple-targeting mechanism including cell membrane disruption,DNA targeting,and intracellular enzyme *** multi-targeting mechanism not only enhances the in vitro and in vivo eradication of antibiotic-resistant“ESKAPE”pathogens,but also suppresses the development of bacterial ***,OA1 maintains its activity in bacterial cells by creating an oxidative environment,while it quickly decomposes in mammalian cells due to high glutathione *** mechanistic insights and design principles may provide a feasible approach to develop novel antimicrobial agents and effective anti-resistance combination therapies.

关键词： antimicrobial booster oligoamidine membrane disruption DNA targeting triggered degradation anti-resistance

Hepatic HDAC3 Regulates Systemic Iron Homeostasis and Ferroptosis via the Hippo Signaling Pathway

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Research 2024年第3期2023卷 499-511页

作者： Hongen Meng yingying Yu Enjun Xie Qian wu Xiangju yin Bin Zhao Junxia Min Fudi Wang The Second Afiliated Hospital The First Affiliated HospitalInstitute of Translational MedicineScho of Public HealthZhejiang University School of MedicineHangzhouChina institute of Emergency Management Henan Polytechnic UniversityJiaozuoChina MOE Key Laboratory of Biosystems Homeostasis and Protection Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biologyand Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou 310058China.

Histone deacetylases(HDACs)are epigenetic regulators that play an important role in determining cell fate and maintaining cellular ***,whether and how HDACs regulate iron metabolism and ferroptosis(an iron-dependent form of cell death)remain ***,the putative role of hepatic HDACs in regulating iron metabolism and ferroptosis was investigated using genetic mouse *** lacking Hdac3 expression in the liver(Hdac3-LKO mice)have significantly reduced hepatic Hamp mRNA(encoding the peptide hormone hepcidin)and altered iron *** profiling of Hdac3-LKO mice suggests that the Hippo signaling pathway may be downstream of ***,using a Hippo pathway inhibitor and overexpressing the transcriptional regulator Yap(Yes-associated protein)significantly reduced Hamp mRNA *** a promoter reporter assay,we then identified 2 Yap-binding repressor sites within the human HAMP promoter *** also found that inhibiting Hdac3 led to increased translocation of Yap to the nucleus,suggesting activation of ***,knock-in mice expressing a constitutively active form of Yap(Yap K342M)phenocopied the altered hepcidin levels observed in Hdac3-LKO ***,we show that iron-overload-induced ferroptosis underlies the liver injury that develops in Hdac3-LKO mice,and knocking down Yap expression in Hdac3-LKO mice reduces both iron-overload-and ferroptosis-induced liver *** results provide compelling evidence supporting the notion that HDAC3 regulates iron homeostasis via the Hippo/Yap pathway and may serve as a target for reducing ferroptosis in iron-overload-related diseases.

关键词： homeostasis metabolism expressing

Allergen degradation of bee pollen by lactic acid bacteria fermentation and its alleviatory effects on allergic reactions in BALB/c mice

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Food Science and Human Wellness 2024年第1期13卷 349-359页

作者： Shuting yin Qiangqiang Li Yuxiao Tao Enning Zhou Kun Wang Wanwen Chen Xiangxin Li Liming wu Institute of Apicultural Research Chinese Academy of Agricultural SciencesBeijing 100093China Department of Animal Science McGill UniversityQuebec H9X 3V9Canada State Key Laboratory of Food Science and Technology School of Food Science and TechnologyJiangnan UniversityWuxi 214122China

Food allergy as a global health problem threatens food *** pollen(BP)is a typical food with allergenic potentials,although it performs various nutritional/pharmacological functions to *** this study,lactic acid bacteria(LAB)were used to ferment Brassica napus BP for alleviating its *** novel allergens(glutaredoxin,oleosin-B2,catalase and lipase)were identified with significant decreases in LAB-fermented BP(FBP)than natural BP by ***,metabolomics analysis showed significant increases of 28 characteristic oligopeptides and amino acids in FBP versus BP,indicating the degradation of LAB on ***,FBP showed alleviatory effects in BALB/c mice,which relieved pathological symptoms and lowered production of allergic *** high-throughput sequencing analysis showed that FBP could regulate gut microbiota and metabolism to strengthen immunity,which were closely correlated with the alleviation of allergic *** findings could contribute to the development and utilization of hypoallergenic BP products.

关键词： Alleviatory effects Lactic acid bacteria fermentation Bee pollen allergen Gut microbiota Host metabolism

Precipitation Evolution from Plain to Mountains during the July 2023 Extreme Heavy Rainfall Event in North China

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Journal of Meteorological Research 2024年第4期38卷 635-651页

作者： Mingxin LI Jisong SUN Feng LI Chong wu Rudi XIA Xinghua BAO Jinfang yin Xudong LIANG State Key Laboratory of Severe Weather Chinese Academy of Meteorological SciencesChina Meteorological AdministrationBeijing 100081

North China experienced devastating rainfall from 29 July to 1 August 2023,which caused substantial flooding and *** study analyzed observations from surface rain gauges and S-band dual-polarization radars to reveal the following unique features of the precipitation evolution from the plain to the mountains during this event.(1) The total rainfall was found concentrated along the taihang Mountains at elevations generally > 200 m,and its spatiotemporal evolution was closely associated with northward-moving low-level jets.(2) Storms propagated northwestward with southeasterly steering winds,producing continuous rainfall along the eastern slopes of the taihang Mountains owing to mountain blocking,which resulted in the formation of local centers of precipitation ***,most rainfall episodes with an extreme hourly rainfall rate(HRR),corresponding to large horizontal wind shear at low levels,actively occurred in the plain area to the east of the taihang Mountains.(3) The western portion of the extreme heavy rain belt in the north was mainly caused by long-lasting cumulus–stratus mixed precipitation with HRR 20 mm h~(-1).The contributions of convective precipitation and cumulus–stratus mixed precipitation to the total rainfall of the southern and middle rain belts were broadly equivalent.(4) The local HRR maxima located at the transition zone from the plain to the mountains were induced by moderate storm-scale convective cells with active warm-rain processes and large number of small-sized rain droplets.(5) During the devastating rainfall event,it was observed that the rainfall peaked at around 1800 local time(LT) every day over the upstream plain area(no diurnal cycle of rainfall was observed in relation to the accumulated rainfall centers over mountain areas).This was attributable to convective activities along the storm propagation path,which was a resu

关键词： extreme rainfall from plain to mountains convective precipitation stratiform precipitation hourly rainfall rate low-level jet diurnal variation

Geometry and formation mechanism of tension gashes and their implication on the hydrocarbon accumulation in the deep-seated strata of sedimentary basin:A case from Shunnan area of Tarim Basin

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Petroleum Science 2024年第1期21卷 87-99页

作者： Yan-Nan Du Kong-You wu yin Liu Yan-ying Li Zi-Cheng Cao You-Wei Cui Jun Liu Key Laboratory of Deep Oil and Gas School of GeosciencesChina University of Petroleum(East China)Qingdao 266580ShandongChina Exploration and Development Research Institute SINOPEC Northwest Oilfield BranchUrumqi 830011XinjiangChina The Fifth Gas Production Plant Changqing OilfieldPetroChinaXi'an 710018ShaanxiChina

With the theoretical and technological developments related to cratonic strike-slip faults,the Shuntuoguole Low Uplift in the Tarim Basin has attracted considerable attention *** by multi-stage tectonic movements,the strike-slip faults have controlled the distribution of hydrocarbon resources owing to the special fault characteristics and fault-related *** contrast,the kinematics and formation mechanism of strike-slip faults in buried sedimentary basins are difficult to investigate,limiting the discussion of these faults and hydrocarbon *** this study,we identified the characteristics of massive sigmoidal tension gashes(STGs)that formed in the Shunnan area of the Tarim ***-resolution three-dimensional seismic data and attribute analyses were used to investigate their geometric and kinematic ***,the stress state of each point of the STGs was calculated using seismic curvature ***,the formation mechanism of the STGs and their roles in controlling hydrocarbon migration and accumulation were *** results suggest that:(1)the STGs developed in the Shunnan area have a wide distribution,with a tensile fault arranged in an enéchelon pattern,showing an S-shaped *** STGs formed in multiple stages,and differential rotation occurred along the direction of strike-slip stress during formation.(2)Near the principal displacement zone of the strike-slip faults,the stress value of the STGs was higher,gradually decreasing at both *** shallow layer deformation was greater than the deep layer deformation.(3)STGs are critical for connecting source rocks,migrating oil and gas,sealing horizontally,and developing efficient *** study not only provides seismic evidence for the formation and evolution of super large STGs,but also provides certain guidance for oil and gas exploration in this area.

关键词： Tarim Basin Sigmoidal tension gashes Seismic attributes Shear stress calculation Formation mechanism Reservoir control