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Efficacy and safety of minimally invasive laparoscopic surgery under general anesthesia for ovarian cancer

World Journal of Clinical Cases 2024年第9期12卷 1569-1577页

作者： xian qin Chen Chen Yang Liu xian-Hong Hua Jia-Yi Li Meng-Jie Liang Fang Wu Department of Anesthesiology The First People's Hospital of Jiangxia DistrictWuhan 430200Hubei ProvinceChina Department of Obstetrics and Gynecology The First People's Hospital of Jiangxia DistrictWuhan 430200Hubei ProvinceChina

BACKGROUND Ovarian cancer is one of the most common malignant tumors in female reproductive system in the world,and the choice of its treatment is very important for the survival rate and prognosis of patients.Traditional open surgery is the main treatment for ovarian cancer,but it has the disadvantages of big trauma and slow recovery.With the continuous development of minimally invasive technology,minimally invasive laparoscopic surgery under general anesthesia has been gradually applied to the treatment of ovarian cancer because of its advantages of less trauma and quick recovery.However,the efficacy and safety of minimally invasive laparoscopic surgery under general anesthesia in the treatment of ovarian cancer are still controversial.AIM To explore the efficacy and safety of general anesthesia minimally invasive surgery in the treatment of ovarian cancer.METHODS The clinical data of 90 patients with early ovarian cancer in our hospital were analyzed retrospectively.According to the different surgical treatment methods,patients were divided into study group and control group(45 cases in each group).The study group received minimally invasive laparoscopic surgery under general anesthesia for ovarian cancer,while the control group received traditional open surgery for ovarian cancer.The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire(EORTC QLQ-C30),clinical efficacy and safety of the two groups were compared.RESULTS The intraoperative blood loss,length of hospital stay,postoperative gas evacuation time,and postoperative EORTC QLQ-C30 score of the study group were significantly better than those of the control group(P<0.05).The incidence of postoperative complications in the study group was significantly lower than in the control group(P<0.05).The two groups had no significant differences in the preoperative adrenocorticotropic hormone(ACTH),androstenedione(AD),cortisol(Cor),cluster of differentiation 3 positive(CD3+),and cluster of differentiation 4 positive(CD4+)indexes(

关键词： Early-stage ovarian cancer Efficacy Minimally invasive Laparoscopy Safety Surgery

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Elimination of methicillin‑resistant Staphylococcus aureus biofilms on titanium implants via photothermally‑triggered nitric oxide and immunotherapy for enhanced osseointegration

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Military Medical Research 2024年第2期11卷 157-179页

作者： Yong‑Lin Yu Jun‑Jie Wu Chuan‑Chuan Lin xian qin Franklin R.Tay Li Miao Bai‑Long Tao Yang Jiao Department of Pathology Affiliated Hospital of Zunyi Medical UniversityZunyi 563003GuizhouChina Laboratory Research Center the First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Blood Transfusion Laboratory of Radiation Biologythe Second Affiliated HospitalArmy Military Medical UniversityChongqing 400037China Department of Reproductive Endocrinology Chongqing Health Center for Women and ChildrenChongqing 401147China The Graduate School Augusta UniversityAugustaGA 30912USA Department of Stomatology the Seventh Medical Center of PLA General HospitalBeijing 100700China

Background:Treatment of methicillin-resistant Staphylococcus aureus(MRSA)biofilm infections in implant placement surgery is limited by the lack of antimicrobial activity of titanium(Ti)implants.There is a need to explore more effective approaches for the treatment of MRSA biofilm infections.Methods:Herein,an interfacial functionalization strategy is proposed by the integration of mesoporous polydopamine nanoparticles(PDA),nitric oxide(NO)release donor sodium nitroprusside(SNP)and osteogenic growth peptide(OGP)onto Ti implants,denoted as Ti-PDA@SNP-OGP.The physical and chemical properties of Ti-PDA@SNP-OGP were assessed by scanning electron microscopy,X-ray photoelectron spectroscope,water contact angle,photothermal property and NO release behavior.The synergistic antibacterial effect and elimination of the MRSA biofilms were evaluated by 2′,7′-dichlorofluorescein diacetate probe,1-N-phenylnaphthylamine assay,adenosine triphosphate intensity,O-nitrophenyl-β-D-galactopyranoside hydrolysis activity,bicinchoninic acid leakage.Fluorescence staining,assays for alkaline phosphatase activity,collagen secretion and extracellular matrix mineralization,quantitative real‑time reverse transcription‑polymerase chain reaction,and enzyme-linked immunosorbent assay(ELISA)were used to evaluate the inflammatory response and osteogenic ability in bone marrow stromal cells(MSCs),RAW264.7 cells and their co-culture system.Giemsa staining,ELISA,micro-CT,hematoxylin and eosin,Masson's trichrome and immunohistochemistry staining were used to evaluate the eradication of MRSA biofilms,inhibition of inflammatory response,and promotion of osseointegration of Ti-PDA@SNP-OGP in vivo.Results:Ti-PDA@SNP-OGP displayed a synergistic photothermal and NO-dependent antibacterial effect against MRSA following near-infrared light(NIR)irradiation,and effectively eliminated the formed MRSA biofilms by inducing reactive oxygen species(ROS)-mediated oxidative stress,destroying bacterial membrane integrity and causing leakage of intracellular components(P<0

关键词： Polydopamine nanoparticles Methicillin-resistant Staphylococcus aureus Nitric oxide Osseointegration Osteo-immunomodulation Photothermal effect Titanium implants

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店埠河流域地表水-地下水水化学特征及其成因分析

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环境科学 2024年第2期45卷 813-825页

作者：郑涛秦先燕吴剑雄安徽省地质调查院(安徽省地质科学研究所) 合肥230001

巢湖是我国水污染防治的重点水体,但近年来一直处于较高的富营养化水平.以巢湖二级支流店埠河流域内的地表水和地下水为研究对象,测试不同水体水化学组成和氢氧同位素值,综合运用数理统计、Piper三线图、Gibbs图和离子比值等方法,分析... 详细信息

巢湖是我国水污染防治的重点水体,但近年来一直处于较高的富营养化水平.以巢湖二级支流店埠河流域内的地表水和地下水为研究对象,测试不同水体水化学组成和氢氧同位素值,综合运用数理统计、Piper三线图、Gibbs图和离子比值等方法,分析其季节性和空间变化特征,探讨地表水和地下水的水化学特征和形成机制.结果表明,①大气降水是店埠河流域地表水和地下水的主要补给来源,地表水的蒸发分馏效应比地下水更显著.不同时期,地表水比地下水更富集氢氧稳定同位素.地表水和地下水中氢氧稳定同位素均呈季节性变化特征,丰水期相对富集,枯水期相对贫化.②店埠河流域地表水和地下水均为弱碱性水,地表水中各离子浓度明显小于地下水,地表水中阳离子以Ca^(2+)和Na^(+)为主,地下水中阳离子以Ca^(2+)为主,水体中的优势阴离子均为HCO_(3)^(-).地表水的水化学类型以HCO_(3)·Cl-Na·Ca型水为主,地下水以HCO_(3)-Na·Ca型水为主.③地表水和地下水主要水化学指标浓度具有一定的时空差异性.从丰水期到枯水期,地表水中TDS、K^(+)、Na^(+)、Ca^(2+)、Mg^(2+)、Cl^(-)和SO_(4)^(2-)浓度整体呈现上升趋势.地下水中Na^(+)、Ca^(2+)和Mg^(2+)浓度整体变化不大,略有增加趋势,Cl^(-)、SO_(4)^(2-)和NO_(3)^(-)浓度整体呈上升趋势.从上游到下游,地表水中主要水化学指标浓度呈现先减小后增大的趋势,NO_(3)^(-)浓度增幅最大.地下水在径流方向上主要水化学指标浓度整体变化不大,但呈现出排泄区大于补给区的规律.④水体水化学特征的形成主要受水-岩作用控制,同时还受到人为因素影响.水-岩作用主要为硅酸盐岩、盐岩和碳酸盐岩等矿物的风化溶解.污水处理厂污水、生活污水和粪肥等污染物已明显改变了局部水体的水化学特征.⑤与2016年相比,地表水中的NO_(3)^(-)浓度已有不同程度地减少,当地政府进行的氮污染控制工作已取得一定成效,但仍需在店埠河下游、部分支流(定光河和马桥河)和部分居民点加强对污水及粪肥的污染防控.

关键词：店埠河流域水化学特征水化学成因离子来源氢氧稳定同位素巢湖

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Lithium-induced graphene layer containing Li_(3)P alloy phase to achieve ultra-stable electrode interface for lithium metal anode

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Rare Metals 2024年第2期43卷 562-574页

作者： Jia-Xin Chen Guo-Qiang Zhang xian-Ying qin Kui Lin Zi-Jin Yang Ge-Meng Liang Yue Xia Guo-Bin Zhang Hai-Kun Wu Qiu-Chan Cai Hai Lin Bao-Hua Li Shenzhen Key Laboratory on Power Battery Safety Research and Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate SchoolShenzhen518055China Shenzhen Graphene Innovation Center Co. Ltd.Shenzhen518107China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA5005Australia Department of Chemistry City University of Hong KongHong Kong990077China

Uncontrolled growth of lithium dendrite will lead to low Coulombic efficiency and poor cycle stability,which hinders the commercialization of lithium metal batteries.Herein,a novel modified lithium anode with reduced graphene oxide conductive network containing trace lithiophilic phosphorus(P-rGO/Cu)is prepared by electrospraying technique combined with heat treatment process.The rGO layer has a concave and undulating conductive structure,which can significantly improve the effective electrical contact between lithium metal and the current collector,speed up the kinetics of interfacial electron transport and reaction,and improve the resistance of the negative electrode to the internal stress caused by volume change of the lithium,which is advantageous for the stability of the SEI film.The extremely small and uniformly distributed red phosphorus element avoids the volume change caused by lithiation to the maximum extent.Lithiophilic two-phase compound Li_(3)P obtained by alloying P with Li can directionally induce the homogeneous nucleation and dense deposition of lithium metal,address the issue of lithium dendrites and extend the cycle life of the batteries.The obtained P-rGO/Cu exhibits excellent electrochemical performance with an average Coulombic efficiency(CE)of 98%at a current density of 1 mA·cm^(−2) for 400 cycles,and the capacity retention rate of the full cell matched with lithium iron phosphate(LFP)is 83%after 400 cycles at 1C.

关键词： Lithium anode Dendrite-free Lithiophilicity Induced nucleation deposition

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Improvement of antibacterial, anti-inflammatory, and osteogenic properties of OGP loaded Co-MOF coating on titanium implants for advanced osseointegration

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Journal of Materials Science & Technology 2023年第15期146卷 131-144页

作者： Bailong Tao Weiwei Yi xian qin Junjie Wu Kai Li Ai Guo Jie Hao Lixue Chen Laboratory Research Center The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Rehabilitation Medicine The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Obstetrics and Gynecology Chongqing Health Center for Women and ChildrenChongqing 401147China Women and Children’s Hospital of Chongqing Medical University Chongqing 401147China Department of Orthopedics The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Orthopedics The Third Affiliated Hospital of Chongqing Medical UniversityChongqing 400016Chin

The bacterial infection,especially for methicillin-resistant Staphylococcus aureus(MRSA),and the associated severe inflammatory response could extremely limit the crosstalk of RAW264.7 cells and mesenchymal stem cells(MSCs)and lead to the undesirable osseointegration of peri–implants.It is highly demanded to modify the surface of titanium(Ti)implant to improve its anti-bacterial and anti-inflammatory properties and facilitate its disabled osseointegration.Herein,in our study,a multifunctional coating of zeolitic imidazolate frameworks-67 encapsulated osteogenic growth peptide(OGP)(ZO)was fabricated on titanium dioxide nanotubes(TNT)substrates(TNT-ZO)via the electrophoresis deposition(EPD)approach.The TNT-ZO substrates exhibited excellent antibacterial activity indicated by the reactive oxygen species(ROS)generation,outer membrane(OM)and inner membrane(IM)permeabilization change,adenosine triphosphate(ATP)decrease,and intracellular compounds(DNA/RNA)leakage.Importantly,the regulation effects of TNT-ZO coating modified titanium substrates on the RAW264.7-MSCs crosstalk could induce the anti-inflammatory and osteogenic microenvironment via multiple paracrine signaling of Runx2,BMP2,VEGF,and TGF-β1.The promoted effects of coating structure were investigated in vivo,including antibacterial effect,osteogenic differentiation of mesenchymal stem cells,and anti-inflammation of RAW264.7 cells,as well as infected bone regeneration and repair in bone defect transplantation model.The results demonstrated that MRSA was effectively eliminated by the hydrolysis of ZIF-67 nanoparticles on TNT-ZO substrates.Furthermore,the excellent osseointegration of peri–implants was realized simultaneously by modulating the crosstalk of RAW264.7-MSCs.This study could provide a novel approach to designing a multifunctional coating on the Ti implants for infected bone regeneration in orthopedic applications.

关键词： Titanium implants Osteogenic growth peptide Anti-inflammatory Antibacterial activity Osteoimmunomodulation

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Design and prototyping of the readout electronics for the transition radiation detector in the high energy cosmic radiation detection facility

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Nuclear Science and Techniques 2024年第4期35卷 189-199页

作者： Jie-Yu Zhu Yang-Zhou Su Hai-Bo Yang Fen-Hua Lu Yan Yang Xi-Wen Liu Ping Wei Shu-Cai Wan Hao-qing Xie xian-qin Li Cong Dai Hui-Jun Hu Hong-Bang Liu Shu-Wen Tang Cheng-Xin Zhao Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China Guangxi Key Laboratory for Relativistic Astrophysics School of Physical Science and TechnologyGuangxi UniversityNanning 530004China

The high energy cosmic-radiation detection(HERD)facility is planned to launch in 2027 and scheduled to be installed on the China Space Station.It serves as a dark matter particle detector,a cosmic ray instrument,and an observatory for high-energy gamma rays.A transition radiation detector placed on one of its lateral sides serves dual purpose,(ⅰ)calibrating HERD's electromagnetic calorimeter in the TeV energy range,and(ⅱ)serving as an independent detector for high-energy gamma rays.In this paper,the prototype readout electronics design of the transition radiation detector is demonstrated,which aims to accurately measure the charge of the anodes using the SAMPA application specific integrated circuit chip.The electronic performance of the prototype system is evaluated in terms of noise,linearity,and resolution.Through the presented design,each electronic channel can achieve a dynamic range of 0–100 fC,the RMS noise level not exceeding 0.15 fC,and the integral nonlinearity was<0.2%.To further verify the readout electronic performance,a joint test with the detector was carried out,and the results show that the prototype system can satisfy the requirements of the detector's scientific goals.

关键词： HERD Dark matter particle detection TRD Readout electronics SAMPA Data acquisition Performance test

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Liver histological changes in untreated chronic hepatitis B patients in indeterminate phase

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World Journal of Hepatology 2024年第6期16卷 920-931页

作者： De-Liang Huang qin-xian Cai Guang-De Zhou Hong Yu Zhi-Bin Zhu Jing-Han Peng Jun Chen Department of Liver Diseases The Third People’s Hospital of ShenzhenShenzhen 510000Guangdong ProvinceChina Department of Pathology Beijing Youan HospitalCapital Medical UniversityBeijing 100000China Department of Pathology National Clinical Research Centre for Infectious DiseaseThe Third People's Hospital of Shenzhen and the Second Hospital Affiliated with the Southern University of Science and TechnologyShenzhen 518112Guangdong ProvinceChina

BACKGROUND Studies with large size samples on the liver histological changes of indeterminate phase chronic hepatitis B(CHB)patients were not previously conducted.AIM To assess the liver histological changes in the indeterminate phase CHB patients using liver biopsy.METHODS The clinical and laboratory data of 1532 untreated CHB patients were collected,and all patients had least once liver biopsy from January 2015 to December 2021.The significant differences among different phases of CHB infection were compared with t-test,and the risk factors of significant liver histological changes were analyzed by the multivariate logistic regression analysis.RESULTS Among 1532 untreated CHB patients,814(53.13%)patients were in the indeterminate phase.Significant liver histological changes(defined as biopsy score≥G2 and/or≥S2)were found in 488/814(59.95%)CHB patients in the indete-rminate phase.Significant liver histological changes were significant differences among different age,platelets(PLTs),and alanine aminotransferase(ALT)subgroup in indeterminate patient.Multivariate logistic regression analysis indicated that age≥40 years old[adjust odd risk(aOR),1.44;95%confidence interval(CI):1.06-1.97;P=0.02],PLTs≤150×10^(9)/L(aOR,2.99;95%CI:1.85-4.83;P<0.0001),and ALT≥upper limits of normal(aOR,1.48;95%CI:1.08,2.05,P=0.0163)were independent risk factors for significant liver histological changes in CHB patients in the indeterminate phase.CONCLUSION Our results suggested that significant liver histological changes were not rare among the untreated CHB patients in indeterminate phase,and additional strategies are urgently required for the management of these patients.

关键词： Chronic hepatitis B Indeterminate phase Gray-zone Liver biopsy Pathological histology Risk factors

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Midpoint transverse process to pleura block for postoperative analgesia following laparoscopic renal cyst decortication:Two case reports

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World Journal of Clinical Cases 2024年第18期12卷 3629-3635页

作者： Wei-Jie He Wen-Xing Xu Xu-Dong Zhang Yue Chen Shu-Ying He xian-qin Wei Xiao-Lan Huang Department of Anesthesiology Liuzhou People's Hospital affiliated to Guangxi Medical UniversityLiuzhou 545000Guangxi Zhuang Autonomous RegionChina Department of Ultrasound Medicine Liuzhou People's Hospital affiliated to Guangxi Medical UniversityLiuzhou 545000Guangxi Zhuang Autonomous RegionChina

BACKGROUND The midpoint transverse process to pleura(MTP)block,a novel technique for thoracic paravertebral block(TPVB),was first employed in laparoscopic renal cyst decortication.CASE SUMMARY Thoracic paravertebral nerve block is frequently employed for perioperative analgesia during laparoscopic cyst decortication.To address safety concerns associated with TPVBs,we administered MTP blocks in two patients prior to administering general anesthesia for laparoscopic cyst decortication.The MTP block was performed at the T9 level under ultrasound guidance,with 20 mL of 0.5%ropivacaine injected.Reduced sensation to cold and pinprick was observed from the T8 to T11 dermatome levels.Immediately postoperative Numeric Pain Rating Scale scores were 0/10 at rest and on movement,with none exceeding a mean 24 h numeric rating scale>3.CONCLUSION MTP block was effective technique for providing postoperative analgesia for patients undergoing laparoscopic renal cyst decortication.

关键词： Midpoint transverse process to pleura block Laparoscopic renal cyst decortication Pain Analgesia Case report

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Transgenerational bone toxicity in F3 medaka (Oryzias latipes) induced by ancestral benzo[a]pyrene exposure: Cellular and transcriptomic insights

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Journal of Environmental Sciences 2023年第5期127卷 336-348页

作者： Jiezhang Mo Miles Teng Wan DorisWai-Ting Au Jingchun Shi Nathan Tam xian qin Napo K.M.Cheung Keng Po Lai Christoph Winkler Richard Yuen-Chong Kong Frauke Seemann Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou 510000China Shenzhen Key Laboratory for the Sustainable Use of Marine Biodiversity Research Centre for the Oceans and Human HealthShenzhen Research InstituteCity University of Hong KongShenzhen 518057China State Key Laboratory of Marine Pollution and Department of Chemistry City University of Hong KongHong Kong SARChina Laboratory of Environmental Pollution and Integrative Omics Guilin Medical UniversityHuan Cheng North 2nd Road 109Guilin 541004China Department of Biological Sciences National University of Singapore119077Singapore Center for Coastal Studies and Department of Life Sciences Texas A&M University-Corpus ChristiCorpus ChristiTexas 78412USA

Benzo[a]pyrene(BaP),a ubiquitous pollutant,raises environmental health concerns due to induction of bone toxicity in the unexposed offspring.Exposure of F0 ancestor medaka(Oryzias latipes)to 1μg/L BaP for 21 days causes reduced vertebral bone thickness in the unexposed F3 male offspring.To reveal the inherited modifications,osteoblast(OB)abundance and molecular signaling pathways of transgenerational BaP-induced bone thinning were assessed.Histomorphometric analysis showed a reduction in OB abundance.Analyses of the miRNA and mRNA transcriptomes revealed the dysregulation of Wnt signaling(frzb/ola-miR-1–3p,sfrp5/ola-miR-96–5p/miR-455–5p)and bone morphogenetic protein(Bmp)signaling(bmp3/ola-miR-96–5p/miR-181b-5p/miR-199a-5p/miR-205–5p/miR-455–5p).Both pathways are major indicators of impaired bone formation,while the altered Rank signaling in osteoclasts(c-fos/miR-205–5p)suggests a potentially augmented bone resorption.Interestingly,a typical BaP-responsive pathway,the Nrf2-mediated oxidative stress response(gst/ola-miR-181b-5p/miR-199a-5p/miR-205),was also affected.Moreover,mRNA levels of epigenetic modification enzymes(e.g.,hdac6,hdac7,kdm5b)were found dysregulated.The findings indicated that epigenetic factors(e.g.,miRNAs,histone modifications)may directly regulate the expression of genes associated with transgenerational BaP bone toxicity and warrants further studies.The identified candidate genes and miRNAs may serve as potential biomarkers for BaP-induced bone disease and as indicators of historic exposures in wild fish for conservation purposes.

关键词： Polycyclic aromatic hydrocarbons (PAHs) Transcriptome Impaired bone formation Molecular pathways MicroRNAs Medaka(Oryzias latipes)

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Uptake of oxidative stress-mediated extracellular vesicles by vascular endothelial cells under low magnitude shear stress

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Bioactive Materials 2022年第3期7卷 397-410页

作者： xian qin Kun Zhang Juhui Qiu Nan Wang Kai Qu Yuliang Cui Junli Huang Li Luo Yuan Zhong Tian Tian Wei Wu Yi Wang Guixue Wang Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing UniversityChongqing400030China The Nanoscience Centre University of CambridgeCambridgeCB30FFUK

Extracellular vesicles(EVs)are increasingly used as delivery vehicles for drugs and bioactive molecules,which usually require intravascular administration.The endothelial cells covering the inner surface of blood vessels are susceptible to the shear stress of blood flow.Few studies demonstrate the interplay of red blood cell-derived EVs(RBCEVs)and endothelial cells.Thus,the phagocytosis of EVs by vascular endothelial cells during blood flow needs to be elucidated.In this study,red blood cell-derived extracellular vesicles(RBCEVs)were constructed to investigate endothelial cell phagocytosis in vitro and animal models.Results showed that low magnitude shear stress including low shear stress(LSS)and oscillatory shear stress(OSS)could promote the uptake of RBCEVs by endothelial cells in vitro.In addition,in zebrafish and mouse models,RBCEVs tend to be internalized by endothelial cells under LSS or OSS.Moreover,RBCEVs are easily engulfed by endothelial cells in atherosclerotic plaques exposed to LSS or OSS.In terms of mechanism,oxidative stress induced by LSS is part of the reason for the increased uptake of endothelial cells.Overall,this study shows that vascular endothelial cells can easily engulf EVs in areas of low magnitude shear stress,which will provide a theoretical basis for the development and utilization of EVs-based nano-drug delivery systems in vivo.

关键词： Extracellular vesicles(EVs) Blood flow shear stress Endothelial cell uptake Nanoparticles Oxidative stress

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