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Changes in albedo and its radiative forcing of grasslands in East Asia drylands

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Ecological Processes 2024年第1期13卷 237-251页

作者： Qingsong Zhu Jiquan chen Liang{1. wu Yuting huang Changliang Shao Gang Dong Zhe {1. Xianglan Li State Key Laboratory of Remote Sensing Science College of Global Change and Earth System Science Faculty of Geographical ScienceBeijing Normal University department of Geography Environment and Spatial Sciences Michigan State University State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern china National Hulunber Grassland Ecosystem Observation and Research Station Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences School of Life Science Shanxi University

Background Grasslands in drylands are increasingly influenced by human activities and climate change, leading to alterations in albedo and radiative energy balance among others. Surface biophysical properties and their interactions change greatly following disturbances. However, our understanding of these processes and their climatic impacts remains limited. In this study, we used multi-year observations from satellites and eddy-covariance towers to investigate the response of albedo to variables closely associated with human disturbances, including vegetation greenness（EVI） and surface soil volumetric water content（VWC）, as well as snow cover and clearness index（Ta） for their potential *** EVI and VWC during the growing season were the primary factors influencing albedo. EVI and VWC were negatively correlated with albedo, with VWC's total direct and indirect impacts being slightly smaller than those of EVI. During the non-growing season, snow cover was the most influential factor on albedo. VWC and Ta negatively affected albedo throughout the year. We estimated the impact of variations in EVI and VWC on climate to be in the range of 0.004 to 0.1.3.kg CO2m-2yr-1.n *** This study indicates the significant impacts of climate change and human disturbances on vulnerable grassland ecosystems from the perspective of altered albedo. Changes in vegetation greenness and soil properties induced by climate change and human activities may have a substantial impact on albedo, which in turn feedback on climate change, indicating that future climate policies should take this factor into consideration.

关键词： Albedo Global warming potential Grassland Disturbance

Microvascular alterations of the ocular surface and retina in connective tissue disease-related interstitial lung disease

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International Journal of Ophthalmology(English edition) 2024年第10期17卷 1869-1879页

作者： Li-Ming chen Min Kang Jun-Yi {1. San-Hua xu cheng chen Hong Wei Qian Ling Liang-Qi He Jie Zou Yi-Xin {1. xu chen Ping Ying Hui huang Yi Shao Rui wu department of Rheumatology the First Affiliated Hospital of Nanchang UniversityNanchang 330006Jiangxi ProvinceChina department of Ophthalmology the First Affiliated Hospital of Nanchang UniversityNanchang 330006Jiangxi ProvinceChina The First School of Clinical Medicine of Nanchang university Jiangxi Medical College of Nanchang UniversityNanchang 330000Jiangxi ProvinceChina School of Optometry and Vision Science Cardiff UniversityCardiffCF244HQWalesUK Ophthalmology Centre of Maastricht university Maastricht 6200MSLimburg ProvincieNetherlands department of Ophthalmology Eye&ENT Hospital of Fudan UniversityShanghai 200030China

AIM:To examine the disparities in macular retinal vascular density between individuals with connective tissue disease-related interstitial lung disease(CTD-ILD)and healthy controls(HCs)by optical coherence tomography angiography(OCTA)and to investigate the changes in microvascular density in abnormal ***:For a retrospective case-control study,a total of 1. patients(3. eyes)diagnosed with CTD-ILD were selected as the ILD *** 1. healthy volunteers with 3. eyes,matched in terms of age and sex with the patients,were recruited as control *** macular retina’s superficial retinal layer(SRL)and deep retinal layer(DRL)were examined and scanned using OCTA in each individual *** densities of retinal microvascular(MIR),macrovascular(MAR),and total microvascular(TMI)were calculated and *** in retinal vascular density in the macular region were analyzed using three different segmentation methods:central annuli segmentation method(C1.C6),hemispheric segmentation method[uperior right(SR),superior left(SL),inferior left(IL),and inferior right(IR)],and Early Treatment Diabetic Retinopathy Study(ETDRS)methods[superior(S),inferior(I),left(L),and right(R)].The data were analyzed using Version 9.0 of GraphPad prism and Pearson ***:The OCTA data demonstrated a statistically significant difference(P<0.05)in macular retinal microvessel density between the two ***,in the SRL and DRL analyses,the ILD group exhibited significantly lower surface density of MIR and TMI compared to the HCs group(P<0.05).Furthermore,using the hemispheric segmentation method,the ILD group showed notable reductions in SL,SR,and IL in the superficial retina(P<0.05),as well as marked decreases in SL and IR in the deep retina(P<0.05).Similarly,when employing the ETDRS method,the ILD group displayed substantial drops in superficial retinal S and I(P<0.05),along with notable reductions in deep retinal L,I,and R(P<0.05).In the central annuli segmentation m

关键词： connective tissue disease‑related interstitial lung disease optical coherence tomography angiography microvessel density ocular surface retina

Cath-KP,a novel peptide derived from frog skin,prevents oxidative stress damage in a Parkinson’s disease model

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Zoological Research 2024年第1期45卷 108-124页

作者： Huanpeng Lu Jinwei Chai Zijian xu Jiena {1. Songzhe He Hang Liao Peng huang Xiaowen huang Xi chen Haishan Jiang Shaogang Qu xueqing xu department of Neurology Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdong 510515China Guangdong Provincial Key Laboratory of New Drug Screening School of Pharmaceutical SciencesSouthern Medical UniversityGuangzhouGuangdong 510515China Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence GuangzhouGuangdong 510515China Key Laboratory of Mental Health of the Ministry of Education Southern Medical UniversityGuangzhouGuangdong 510515China department of Dermatology Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdong 510515China department of Neurology Ganzhou Hospital-Nanfang HospitalSouthern Medical UniversityGanzhouJiangxi 341001China

Parkinson’s disease(PD)is a neurodegenerative condition that results in dyskinesia,with oxidative stress playing a pivotal role in its *** peptides may thus present therapeutic potential for *** this study,a novel cathelicidin peptide(Cath-KP;GCSGRFCNLF NNRRPGRLTLIHRPGGDKRTSTGLIYV)was identified from the skin of the Asiatic painted frog(Kaloula pulchra).Structural analysis using circular dichroism and homology modeling revealed a uniqueαββconformation for *** vitro experiments,including free radical scavenging and ferric-reducing antioxidant analyses,confirmed its antioxidant *** the 1.methyl-4-phenylpyridinium ion(MPP^(+))-induced dopamine cell line and 1.methyl-4-phenyl-1.2,3.6-tetrahydropyridine(MPTP)-induced PD mice,Cath-KP was found to penetrate cells and reach deep brain tissues,resulting in improved MPP^(+)-induced cell viability and reduced oxidative stress-induced damage by promoting antioxidant enzyme expression and alleviating mitochondrial and intracellular reactive oxygen species accumulation through Sirtuin-1.Sirt1./Nuclear factor erythroid 2-related factor 2(Nrf2)pathway *** focal adhesion kinase(FAK)and p3. were also identified as regulatory *** the MPTP-induced PD mice,Cath-KP administration increased the number of tyrosine hydroxylase(TH)-positive neurons,restored TH content,and ameliorated *** the best of our knowledge,this study is the first to report on a cathelicidin peptide demonstrating potent antioxidant and neuroprotective properties in a PD model by targeting oxidative *** findings expand the known functions of cathelicidins,and hold promise for the development of therapeutic agents for PD.

关键词： Cath-KP Peptide Parkinson’s disease Oxidative stress Neuroprotection

Gut microbial metabolite targets HDAC3.FOXK1.interferon axis in fibroblast-like synoviocytes to ameliorate rheumatoid arthritis

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Bone Research 2024年第2期12卷 421-437页

作者： Hongzhen chen {1.ekun Fu Xiaohao wu Junyi Zhao Fang Qiu Zhenghong wang Zhuqian wang Xinxin chen Duoli Xie Jie huang Junyu Fan {1. Yang Yi Song Jie Li Dongyi He Guozhi Xiao Aiping Lu Chao Liang department of Systems Biology School of Life SciencesSouthern University of Science and TechnologyGuangdong Provincial Key Laboratory of Cell Microenvironment and Disease ResearchShenzhen Key Laboratory of Cell MicroenvironmentShenzhen 518055China Institute of Integrated Bioinfomedicine and Translational Science(IBTS) School of Chinese MedicineHong Kong Baptist UniversityHong Kong SAR 999077China department of Biochemistry School of MedicineSouthern University of Science and TechnologyGuangdong Provincial Key Laboratory of Cell Microenvironment and Disease ResearchShenzhen Key Laboratory of Cell MicroenvironmentShenzhen 518055China Division of Immunology and Rheumatology Stanford UniversityStanfordCA 94305USA VA Palo Alto Health Care System Palo AltoCA 94304USA Institute of Plant and Food Science Department of BiologySouthern University of Science and TechnologyShenzhen 518055China department of Rheumatology Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina department of Computational Biology St.Jude Children’s Research HospitalMemphisTNUSA department of Laboratory Medicine Peking University Shenzhen HospitalShenzhenChina Guangdong-Hong Kong-Macao Joint Lab on Chinese Medicine and Immune Disease Research Guangzhou 510006China Shanghai university of Traditional Chinese Medicine Shanghai 200032China State Key Laboratory of Proteomics National Center for Protein Sciences(Beijing)Beijing Institute of Lifeomics100850 BeijingChina

Rheumatoid arthritis(RA)is an autoimmune *** studies hold an opinion that gut microbiota is environmentally acquired and associated with RA ***,accumulating evidence demonstrates that genetics also shape the gut *** is known that some strains of inbred laboratory mice are highly susceptible to collagen-induced arthritis(CIA),while the others are resistant to ***,we show that transplantation of fecal microbiota of CIA-resistant C57BL/6J mice to CIA-susceptible DBA/1. mice confer CIA resistance in DBA/1. mice.C57BL/6J mice and healthy human individuals have enriched *** than DBA/1. mice and RA *** of *** prevents CIA in DBA/1. *** identify that *** mainly produces propionate and C57BL/6J mice and healthy human individuals have higher level of ***-like synoviocytes(FLSs)in RA are activated to undergo tumor-like *** disrupts HDAC3.FOXK1.interaction to increase acetylation of FOXK1.resulting in reduced FOXK1.stability,blocked interferon signaling and deactivation of *** treat CIA mice with propionate and show that propionate attenuates ***,a combination of propionate with anti-TNF etanercept synergistically relieves *** results suggest that *** or propionate could be an alternative or complementary approach to the current therapies.

关键词： HDAC3 cytes interferon

Synthesis of Long-Chain Oligomeric Donor and Acceptors via Direct Arylation for Organic Solar Cells

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Chinese Journal of Chemistry 2024年第5期42卷 523-532页

作者： Yu wu Xin-Yu He {1.-Min huang Ling-Jun Yang Peng Liu Na chen Chang-Zhi Li Shi-Yong Liu Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry College of MaterialsMetallurgical and ChemistryJiangxi University of Science and TechnologyGanzhouJiangxi341000 China department of Polymer Science and Engineering Zhejiang UniversityHangzhouZhejiang310027 China

The rapid synthesis of structurally complicated electron donors&acceptors still remains a major challenge in organic solar cells(OSC).In this work,we developed a highly efficient strategy to access long-chain oligomeric donor and acceptors for OSC applications.A series of cyclopentadithiophene(CPDT)and benzothiadiazole(BT)-basedπ-conjugated oligomers,i.e.,three oligomeric acceptors(BTDT)n-IC(n=1.3.and one long-chain oligomeric donor(BTDT)4-RD,are facilely synthesized by an atom-and step-economical,and labor-saving direct C—H arylation(DACH)reaction(i.e.,C—H/C—Br cross coupling).Note that(BTDT)4-RD involving five CPDT,four BT and two rhodamine(RD)building blocks is the longest oligomeric donor in the fullerene-free OSC devices ever *** dependence of the structure-property-performance correlation of(BTDT)n-IC(n=1.3.and(BTDT)4-RD on theπ-conjugation lengths is thoroughly investigated by opto-electrochemical measurements,bulk heterojunction(BHJ)OSC devices and ***(BTDT)1.IC:PBDB-T and(BTDT)4-RD:Y6 BHJs achieve power conversion efficiencies of 9.1.%and 4.51.,*** findings demonstrate that DACH reaction is a powerful tool to tune the opto-electronic properties and device performances by regulating the lengths ofπ-conjugated oligomers with varied numbers of repeating units.

关键词： Long-chainπ-conjugated oligomer Organic solar cells Direct arylation Atom-economical synthesis Cyclopentadithiophene Benzothiadiazole C—H activation Conjugation Oligomers

Disruption of PABPN1.phase separation by SNRPD2 drives colorectal cancer cell proliferation and migration through promoting alternative polyadenylation of CTNNBIP1

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Science china(Life {1.) 2024年第6期67卷 1212-1225页

作者： Zhijie Hu Mengxia Li Yufeng chen Liutao chen Yuting Han chengyong chen Xin Lu Nan You Yawen Lou Yingye huang Zhanfeng Huo Chao Liu cheng Liang Susu Liu Ke Deng Liangfu chen Shangwu chen Guohui Wan Xiaojian wu Yonggui Fu Anlong xu State Key Laboratory of Biocontrol Guangdong Province Key Laboratory of Pharmaceutical Functional GenesDepartment of BiochemistrySchool of Life SciencesSun Yat-sen UniversityGuangzhou 510275China department of General Surgery(Colorectal Surgery)&Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases&Biomedical Innovation Center The Sixth Affiliated HospitalSun Yat-sen UniversityGuangzhou 510655China National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation National Engineering Research Center for New Drug and Druggability(cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat-sen UniversityGuangzhou 510006China School of Life sciences Beijing University of Chinese MedicineBeijing 100029China

Generally shortened 3.UTR due to alternative polyadenylation(APA)is widely observed in cancer,but its regulation mechanisms for cancer are not well ***,with profiling of APA in colorectal cancer tissues and poly(A)signal editing,we firstly identified that the shortened 3.UTR of CTNNIBP1.in colorectal cancer promotes cell proliferation and *** found that liquid-liquid phase separation(LLPS)of PABPN1.is reduced albeit with higher expression in cancer,and the reduction of LLPS leads to the shortened 3.UTR of CTNNBIP1.nd promotes cell proliferation and ***,the splicing factor SNRPD2 upregulated in colorectal cancer,can interact with glutamic-proline(EP)domain of PABPN1.and then disrupt LLPS of PABPN1.which attenuates the repression effect of PABPN1.on the proximal poly(A)*** results firstly reveal a new regulation mechanism of APA by disruption of LLPS of PABPN1.suggesting that regulation of APA by interfering LLPS of 3.end processing factor may have the potential as a new way for the treatment of cancer.

关键词： alternative polyadenylation colorectal cancer CTNNBIP1 PABPN1 liquid-liquid phase separation SNRPD2

β-delayed proton decays near the proton drip line

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Science china(Physics,Mechanics & Astronomy) 2005年第3期48卷 257-267页

作者： xu Shuwei 1 , LI Zhankui 1 , XIE Yuanxiang 1 , huang Wenxue 1 , SHU Nengchuan 2 , chen Yongshou 2 , xu Furong 3., wang Kun 4 , PAN Qiangyan 1 , wang xudong 1 , YU Yong 1 & XING Yebing 1 1. Institute of Modern Physics, Chinese Academy of sciences, Lanzhou 73.000, china 2. Nuclear Physics department, china Institute of Atomic Energy, Beijing 102413. china 3. department of Technical Physics, Peking university, Beijing 100871, china 4. Shanghai Institute for Nuclear Research, Shanghai 201800, china 1. Institute of Modern Physics Chinese Academy of Sciences 730000 Lanzhou China 2. Nuclear Physics department China Institute of Atomic Energy 102413 Beijing China 3. {1. of Technical Physics Peking University 100871 Beijing China 4. Shanghai Institute for Nuclear Research 201800 Shanghai China

We briefly reviewed the experimental study on a-delayed proton decays near the proton drip line published by our group during the period of 1.96―2004, namely the first observation of the a-delayed proton decays of 9 new nuclides in the rare-earth region and the new measurements of a-delayed proton decays of 5 nuclides in the mass ～90 region near the N = Z line with the aid of the “p-?” coincidence in combination with a He-jet tape transport system. In the meantime some important experimental technique details were supplemented. The experimental results, including the half -lives, spins, parities, deformations and production reaction cross sections for the 1. nuclei were summarized and compared with the current nuclear-model predictions, and then the following points were represented. (1. The experimental half-lives for 85Mo and 92Rh as well as the predicted “waiting point” nuclei 89Ru and 9{1.d are 5―1. times longer than the theoretical predictions given by M?ller et al. using a macroscopic-microscopic model. It considerably influences the predictions of the abundances of the nuclides produced in the rp-process. (2) The current-model predictions are not consistent with the experimental assignments of the spins and parities for the proton drip-line nuclei 1.2Ho and 1.8Pm. However, the nuclear potential energy surface (PES) calculated by using a Woods- Saxon-Strutinsky method reproduced the experimental results. ({1. The Alice code overestimated the production reaction cross sections of the studied 9 rare-earth nuclei by one order of magnitude or two, while HIVAP code overestimated them by one order of magnitude approximately.

关键词： proton drip line, β-delayed proton decay, He-jet tape transport system, "p-γ" coincidence, spin, parity, deformation, production reaction cross section.

Antitumor efficacy and potential mechanism of FAP-targeted radioligand therapy combined with immune checkpoint blockade

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2936-2952页

作者： Liang Zhao Yizhen Pang Yangfan Zhou Jianhao chen Hao Fu Wei Guo Weizhi {1. Xin {1.e Guoqiang Su Long Sun Hua wu Jingjing Zhang Zhanxiang wang Qin Lin Xiaoyuan chen Haojun chen department of Nuclear Medicine and Minnan PET Center Xiamen Key Laboratory of RadiopharmaceuticalsThe First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamenChina departments of Diagnostic Radiology SurgeryChemical and Biomolecular Engineeringand Biomedical EngineeringYong Loo Lin School of Medicine and College of Design and EngineeringNational University of SingaporeSingaporeSingapore Clinical Imaging Research Centre Centre for Translational MedicineYong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore department of Radiation Oncology Xiamen Cancer CenterXiamen Key Laboratory of Radiation OncologyThe First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamenChina department of Colorectal Tumor Surgery Xiamen Cancer CenterXiamen Key Laboratory of Radiation OncologyThe First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamenChina department of Cardiothoracic Surgery Zhongda HospitalSchool of MedicineSoutheast UniversityNanjingChina Nanomedicine Translational Research Program NUS Center for NanomedicineYong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore department of Neurosurgery and department of Neuroscience Fujian Key Laboratory of Brain Tumors Diagnosis and Precision TreatmentXiamen Key Laboratory of Brain Centerthe First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamenChina Institute of Molecular and Cell Biology Agency for ScienceTechnology and Research(A*STAR)SingaporeSingapore Xiamen Key Laboratory of Rare earth Photoelectric Functional Materials Xiamen Institute of Rare Earth MaterialsHaixi InstituteChinese Academy of SciencesXiamenChina

Radiotherapy combined with immune checkpoint blockade holds great promise for synergistic antitumor *** radionuclide therapy delivers radiation directly to tumor ***1.04 is a fibroblast activation protein(FAP)-targeting radiopharmaceutical,conjugated with the albumin binder Evans Blue,which has demonstrated enhanced tumor uptake and retention in previous preclinical and clinical ***,we demonstrate that^(68)Ga/^(1.7)Lu-labeled LNC1.04 exhibits increased uptake and prolonged retention in MC3./NIH3.3.FAP and CT26/NIH3.3.FAP tumor *** therapy with^(1.7)Lu-LNC1.04 induced a transient upregulation of PD-L1.expression in tumor *** combination of^(1.7)Lu-LNC1.04 and anti-PD-L1.immunotherapy led to complete eradication of all tumors in MC3./NIH3.3.FAP tumor-bearing mice,with mice showing 1.0%tumor rejection upon ***,single-cell RNA sequencing(scRNA-seq),and TCR sequencing revealed that combination therapy reprogrammed the tumor microenvironment in mice to foster antitumor immunity by suppressing malignant progression and increasing cell-to-cell communication,CD8^(+)T-cell activation and expansion,M1.macrophage counts,antitumor activity of neutrophils,and T-cell receptor diversity.A preliminary clinical study demonstrated that^(1.7)Lu-LNC1.04 was well-tolerated and effective in patients with refractory ***,scRNA-seq of peripheral blood mononuclear cells underscored the importance of addressing immune evasion through immune checkpoint blockade *** was emphasized by the observed increase in antigen processing and presentation juxtaposed with T cell *** conclusion,our data supported the efficacy of immunotherapy combined with^(1.7)Lu-LNC1.04 for cancer patients with FAP-positive tumors.

关键词： immunity retention holds

Protective Effects of Danmu Extract Syrup on Acute Lung Injury Induced by Lipopolysaccharide in Mice through Endothelial Barrier Repair

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Chinese Journal of Integrative Medicine 2024年第3期30卷 243-250页

作者： xu Han xu Si-cong LI Li-yan wu Yu-huang TAN Yin-feng chen Long LIU Pei LIANG Chang-fu HE Xiao-ning LI Yong-hui Hainan Provincial Key Lab of Research&Development on Tropic Herbs Hainan Medical UniversityHaikou571199China department of Stomatology the Second Affiliated Hospital of Hainan Medical UniversityHaikou571199China

Objective:To investigate the effects of Danmu Extract Syrup(DMS) on lipopolysaccharide(LPS)-induced acute lung injury(ALI) in mice and explore the ***:Seventy-two male Balb/C mice were randomly divided into 6 groups according to a random number table(n=1.),including control(normal saline),LPS(5 mg/kg),LPS+DMS 2.5 mL/kg,LPS+DMS 5 mL/kg,LPS+DMS 1. mL/kg,and LPS+Dexamethasone(DXM,5 mg/kg) *** pretreatment with DMS and DXM,the ALI mice model was induced by LPS,and the bronchoalveolar lavage fluid(BALF) were collected to determine protein concentration,cell counts and inflammatory *** lung tissues of mice were stained with hematoxylin-eosin,and the wet/dry weight ratio(W/D) of lung tissue was *** levels of tumor necrosis factor-α(TNF-α),interleukin(IL)-6 and IL-1.in BALF of mice were detected by enzyme linked immunosorbent *** expression levels of Claudin-5,vascular endothelial(VE)-cadherin,vascular endothelial growth factor(VEGF),phospho-protein kinase B(p-Akt) and Akt were detected by Western blot ***:DMS pre-treatment significantly ameliorated lung histopathological *** with the LPS group,the W/D ratio and protein contents in BALF were obviously reduced after DMS pretreatment(P1..The number of cells in BALF and myeloperoxidase(MPO) activity decreased significantly after DMS pretreatment(P1..DMS pre-treatment decreased the levels of TNF-α,IL-6 and IL-1.(P1..Meanwhile,DMS activated the phosphoinositide 3.kinase/protein kinase B(PI3./Akt) pathway and reversed the expressions of Claudin-5,VE-cadherin and VEGF(P1..Conclusions:DMS attenuated LPS-induced ALI in mice through repairing endothelial *** might be a potential therapeutic drug for LPS-induced lung injury.

关键词： Danmu Extract Syrup acute lung injury inflammatory factors vascular endothelial growth factor phosphoinositide 3.kinase/protein kinase B Chinese medicine Nauclea officinalis