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MicroRNA-451 from Human Umbilical Cord-Derived Mesenchymal Stem Cell Exosomes Inhibits Alveolar Macrophage Autophagy via Tuberous Sclerosis Complex 1/Mammalian Target of Rapamycin Pathway to Attenuate Burn-Induced Acute Lung Injury in Rats

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Biomedical and Environmental Sciences 2024年第9期37卷 1030-1043页

作者： Zhigang Jia Lin Li Peng Zhao guo fei Shuangru Li Qinqin Song Guangpeng Liu Jisong Liu Affiliated Hospital of Jiang nan University Department of Burn and Plastic SurgeryWuxi 214000JiangsuChina The Third People's Hospital of Bengbu Affiliated to Bengbu Medical University Department of Burn and Plastic SurgeryBengbu 230000AnhuiChina

Objective Our previous studies established that microRNA(miR)-451 from human umbilical cord mesenchymal stem cell-derived exosomes(hUC-MSC-Exos)alleviates acute lung injury(ALI).This study aims to elucidate the mechanisms by which miR-451 in hUC-MSC-Exos reduces ALI by modulating macrophage *** Exosomes were isolated from *** burn-induced ALI rat models were treated with hUC-MSC-Exos carrying the miR-451 ***-eosin staining evaluated inflammatory ***-linked immunosorbnent assay measured lipopolysaccharide(LPS),tumor necrosis factor-α,and interleukin-1β***-PCR detected miR-451 and tuberous sclerosis complex 1(TSC1)*** regulatory role of miR-451 on TSC1 was determined using a dual-luciferase reporter *** blotting determined TSC1 and proteins related to the mammalian target of rapamycin(mTOR)pathway and *** analysis was conducted to examine exosomes phagocytosis in alveolar macrophages and autophagy *** hUC-MSC-Exos with miR-451 inhibitor reduced burn-induced ALI and promoted macrophage ***-451 could be transferred from hUC-MSCs to alveolar macrophages via exosomes and directly targeted *** miR-451 in hUC-MSC-Exos elevated TSC1 expression and inactivated the mTOR pathway in alveolar *** TSC1 activated mTOR signaling and inhibited autophagy,while TSC1 knockdown reversed the autophagy from the miR-451 *** miR-451 from hUC-MSC exosomes improves ALI by suppressing alveolar macrophage autophagy through modulation of the TSC1/mTOR pathway,providing a potential therapeutic strategy for ALI.

关键词： Acute lung injury Human umbilical cord mesenchymal stem cell-derived exosomes MicroRNA-451 Tuberous sclerosis complex 1 Mammalian target of rapamycin pathway Autophagy

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Establishment and validation of a predictive model for peripherally inserted central catheter-related thrombosis in patients with liver cancer

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2221-2231页

作者： Xiao-fei Chen Hao-Jun Wu Tang Li Jia-Bin Liu Wen-Jie Zhou Qiang guo Department of Thyroid Surgery West China Hospital of Sichuan UniversityChengdu 610041Sichuan ProvinceChina The Second Department of General Surgery Chengdu Shangjinnanfu HospitalWest China Hospital of Sichuan UniversityChengdu 611730Sichuan ProvinceChina Department of Biliary Surgery West China Hospital of Sichuan UniversityChengdu 610041Sichuan ProvinceChina Department of Hepatobiliary and Pancreatic Surgery Chengdu Shangjinnanfu HospitalWest China Hospital of Sichuan UniversityChengdu 611730Sichuan ProvinceChina Department of Vascular Surgery West China Hospital of Sichuan UniversityChengdu 610041Sichuan ProvinceChina

BACKGROUND Peripherally inserted central catheters(PICCs)are commonly used in hospitalized patients with liver cancer for the administration of chemotherapy,nutrition,and other ***,PICC-related thrombosis is a serious complication that can lead to morbidity and mortality in this patient *** risk factors have been identified for the development of PICC-related thrombosis,including cancer type,stage,comorbidities,and catheter *** these risk factors and developing a predictive model can help healthcare providers identify high-risk patients and implement preventive measures to reduce the incidence of *** To analyze the influencing factors of PICC-related thrombosis in hospitalized patients with liver cancer,construct a predictive model,and validate *** Clinical data of hospitalized patients with liver cancer admitted from January 2020 to December 2023 were ***-five cases of PICC-related thrombosis in hospitalized patients with liver cancer were collected,and 220 patients who underwent PICC placement during the same period but did not develop PICC-related thrombosis were randomly selected as controls.A total of 255 samples were collected and used as the training set,and 77 cases were collected as the validation set in a 7:3 *** patient information,case data,catheterization data,coagulation indicators,and Autar Thrombosis Risk Assessment Scale scores were *** and multivariate unconditional logistic regression analyses were performed on relevant factors,and the value of combined indicators in predicting PICC-related thrombosis in hospitalized patients with liver cancer was evaluated using receiver operating characteristic(ROC)curve *** Univariate analysis showed statistically significant differences(P<0.05)in age,sex,Karnofsky performance status score(KPS),bedridden time,activities of daily living impairment,parenteral nutrition,catheter duration,d

关键词： Liver cancer Peripherally inserted central catheters Thrombosis Model Verify

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Glycodiversification of gentamicins through in vivo glycosyltransferase swapping enabled the creation of novel hybrid aminoglycoside antibiotics with potent activity and low ototoxicity

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Acta Pharmaceutica Sinica B 2024年第9期14卷 4149-4163页

作者： Xinyun Jian Cheng Wang Shijuan Wu guo Sun chuan Huang Chengbing Qiu Yuanzheng Liu Peter FLeadlay Dong Liu Zixin Deng Fuling Zhou Yuhui Sun Department of Hematology Zhongnan Hospital of Wuhan UniversitySchool of Pharmaceutical SciencesWuhan UniversityWuhan 430071China Key Laboratory of Combinatorial Biosynthesis and Drug Discovery(Ministry of Education) Wuhan UniversityWuhan 430071China School of Pharmacy Huazhong University of Science and TechnologyWuhan 430030China School of Life Sciences Co-Innovation Center of NeuroregenerationNantong Laboratory of Development and DiseasesNantong UniversityNantong 226019China Department of Biochemistry University of CambridgeCambridge CB21GAUK Department of Biochemistry and Molecular Biology Biomedicine Discovery InstituteMonash UniversityClayton VIC 3800Australia ARC Centre of Excellence for Innovations in Protein and Peptide Science Monash UniversityClayton VIC 3800Australia

Aminoglycosides(AGs)are a class of antibiotics with a broad spectrum of ***,their use is limited by safety concerns associated with nephrotoxicity and ototoxicity,as well as drug *** address these issues,semi-synthetic approaches for modifying natural AGs have generated new generations of AGs,however,with limited types of modification due to significant challenges in *** study explores a novel approach that harness the bacterial biosynthetic machinery of gentamicins and kanamycins to create hybrid *** was achieved by glycodiversification of gentamicins via swapping the glycosyltransferase(GT)in their producer with the GT from kanamycins biosynthetic pathway and resulted in the creation of a series of novel AGs,therefore referred to as genkamicins(GKs).The manipulation of the hybrid biosynthetic pathway enabled the targeted accumulation of different GK species and the isolation and characterization of six GK *** compounds display retained antimicrobial activity against a panel of World Health Organization(WHO)critical priority pathogens,and GK-C2a,in particular,demonstrates low ototoxicity compared to clinical drugs in zebrafish *** study provides a new strategy for diversifying the structure of AGs and a potential avenue for developing less toxic AG drugs to combat infectious diseases.

关键词： Antibiotic Aminoglycoside biosynthesis Biosynthetic engineering Ototoxicity

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Genome-wide analysis of Panonychus citrimicro RNAs witha focus on potential insecticidal activity of 4 micro RNAs toeggs and nymphs

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Insect Science 2024年第2期31卷 354-370页

作者： chuan-Zhen Li Yu-Hang Liu Deng Pan Meng-Hao Xia Qiang Zhang Yu-chuang Li guo-Rui Yuan Jin-Jun Wang Wei Dou Key Laboratory of Entomology and Pest Control Engineering College of Plant ProtectionAcademy of Agricultural SciencesSouthwestUniversityChongqingChina Key Laboratory of Agricultural Biosafety and Green Production of Upper Yangtze River(Ministry of Education) Academy of Agricultural SciencesSouthwest UniversityChongqingChina

Panonychus citriMcGregor(Acari:Tetranychidae),a destructive citrus pest,causes considerable annual economic losses due to its short lifespan and rapid ***(miRNA)-induced RNA interference is a promising approachfor pest control because of endogenous regulation of pest growth and *** for miRNAs with potential insecticidal activity ***,genome-wide analysis ofmiRNAs at different developmental stages was conducted,resulting in the identificationof 136 miRNAs,including 73 known and 63 novel miRNAs.A total of 17 isomiRNAsand 12 duplicated miRNAs were ***-1 and miR-252-5p were identified asreference miRNAs *** *** on differential expressionanalysis,treatments with miR-let-7a and miR-315 mimics and the miR-let-7a antagomirsignificantly reduced the egg hatch rate and resulted in abnormal egg ***-expression or downregulation of miR-34-5p and miR-305-5p through feeding significantlydecreased the adult eclosion rate and caused molting *** 4 miRNAs,miR-let-7a,miR-315,miR-34-5p,and miR-305-5p,had important regulatory functions and insectici-dal properties in egg hatching and adult *** general,these data advance our un-derstanding of miRNAs in mite biology,which can assist future studies on insect-specificmiRNA-based green pest control technology.

关键词： growth and development microRNAs Panonychus citri referencemiRNAs regulation small RNA libraries

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New Strategy for Boosting Cathodic Performance of Protonic Ceramic Fuel Cells Through Incorporating a Superior Hydronation Second Phase

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Energy & Environmental Materials 2024年第4期7卷 83-92页

作者： chuan Zhou Xixi Wang Dongliang Liu Meijuan fei Jie Dai Daqin Guan Zhiwei Hu Linjuan Zhang Yu Wang Wei Wang Ryan O'Hayre San Ping Jiang Wei Zhou Meilin Liu Zongping Shao State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University Max Planck Institute for Chemical Physics of Solids Key Laboratory of Interfacial Physics and Technology Shanghai Institute of Applied Physics Chinese Academy of Sciences Department of Metallurgical and Materials Engineering Colorado School of Mines WA School of Mines: Minerals Energy and Chemical Engineering (WASM-MECE) Curtin University Suzhou Laboratory School of Materials Science and Engineering Georgia Institute of Technology

For protonic ceramic fuel cells,it is key to develop material with high intrinsic activity for oxygen activation and bulk proton conductivity enabling water formation at entire electrode ***,a higher water content which benefitting for the increasing proton conductivity will not only dilute the oxygen in the gas,but also suppress the O2adsorption on the electrode surface.

关键词： cathode high-hydrating capability proton conductivity protonic ceramic fuel cells

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Isolation and culture of human primary osteoblasts:Comparing the effects of differences in method details on osteoblast characteristics

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Genes & Diseases 2024年第2期11卷 546-549页

作者： fei Chen Yan Zhang Pai Peng Xiao-Ting Huang Zi-Han Qiu Bao-Cheng Liu Tie-Lin Yang Bo Yang Yan guo Key Laboratory of Biomedical Information Engineering of Ministry of Education Biomedical Informatics & Genomics CenterSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi 710049China Department of Orthopaedics Shannxi Provincial People's Hospital (The Third Affiliated Hospital of Xi'an Jiaotong University)Xi'anShaanxi 710068China

Osteoblasts are essential in the maintenance of human bone homeostasis.1 The abnormal formation and impaired differentiation ability of osteoblasts are pivotal factors leading to bone-related diseases,suggesting that an indepth study of osteoblasts can provide novel treatment strategies for these diseases.2 Human primary osteoblasts are precious experimental models in bone-related research.3 However,the isolation and culture of human primary osteoblasts still have some difficulties and ***,we refined a method to isolate and culture human primary osteoblasts by taking cancellous bone through a bone tissue sampler and pre-digesting it with pancreatin,which makes the process easier,cheaper,and more ***,we compared the effects of the subtle changes in isolation and culture methods on the phenotype of human primary osteoblasts and examined the differences in morphology,proliferation,and differentiation between micro-explants cultured osteoblasts(MECOBs)and explants cultured osteoblasts(EC-OBs).

关键词： impaired culture details

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PICOTEES:a privacy-preserving online service of phenotype exploration for genetic-diagnostic variants from Chinese children cohorts

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Journal of Genetics and Genomics 2024年第2期51卷 243-251页

作者： Xinran Dong Yulan Lu Lanting guo chuan Li Qi Ni Bingbing Wu Huijun Wang Lin Yang Songyang Wu Qi Sun Hao Zheng Wenhao Zhou Shuang Wang Center for Molecular Medicine Children's Hospital of Fudan UniversityShanghai 201102China Key Laboratory of Birth Defects Children's Hospital of Fudan UniversityShanghai 201102China Department of Bioinformatics Hangzhou Nuowei Information Technology Co.LtdHangzhouZhejiang 310000China The Third Research Institute of the Ministry of Public Security Shanghai 200031China Xiamen Campus of Children's Hospital of Fudan University XiamenFujian 361006China Institutes for Systems Genetics West China HospitalChengduSichuan 610041China Shanghai Putuo People's Hospital Tongji UniversityShanghai 200060China

The growth in biomedical data resources has raised potential privacy concerns and risks of genetic information leakage. For instance, exome sequencing aids clinical decisions by comparing data through web services, but it requires significant trust between users and providers. To alleviate privacy concerns, the most commonly used strategy is to anonymize sensitive data. Unfortunately, studies have shown that anonymization is insufficient to protect against reidentification attacks. Recently, privacy-preserving technologies have been applied to preserve application utility while protecting the privacy of biomedical data. We present the PICOTEES framework, a privacy-preserving online service of phenotype exploration for genetic-diagnostic variants (https://***:3000/). PICOTEES enables privacy-preserving queries of the phenotype spectrum for a single variant by utilizing trusted execution environment technology, which can protect the privacy of the user's query information, backend models, and data, as well as the final results. We demonstrate the utility and performance of PICOTEES by exploring a bioinformatics dataset. The dataset is from a cohort containing 20,909 genetic testing patients with 3,152,508 variants from the Children's Hospital of Fudan University in China, dominated by the Chinese Han population (>99.9%). Our query results yield a large number of unreported diagnostic variants and previously reported pathogenicity.

关键词： Privacy protecti on Rare diseases in children Genetic testing Web system Trusted executi on envir onment

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Organic Integration of Traditional Chinese and Western Medicines—Future of Clinical Practice Guidelines of Integrated Traditional Chinese and Western Medicines

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Chinese Journal of Integrative Medicine 2024年第4期30卷 359-365页

作者： XIE Ying-lan HAN fei JIN Ying-hui DING Yan-bing guo Jing JI Dong-xiao ZHANG Teng CHENXiao-min SHANG Hong-cai Department of Traditional Chinese Medicine Encephalopathy Hubei Provincial Hospital of Traditional Chinese MedicineWuhan(430074)China Department of Traditional Chinese Medicine Encephalopathy Hubei Province Traditional Chinese Medicine Research InstituteWuhan(430074)China Xuanwu Hospital of Traditional Chinese Medicine Beijing(100000)China Center for Evidence-Based and Translational Medicine Zhongnan Hospital of Wuhan UniversityWuhan(430074)China College of Acupuncture and Massage College of Health and RehabilitationNanjing University of Chinese MedicineNanjing(210023)China Department of Ophthalmology Huaihe Hospital of Henan UniversityKaifengHenan Province(475000)China Ministry of Education and Beijing Key Laboratory of Internal Medicine of Traditional Chinese Medicine Dongzhimen Hospital of Beijing University of Traditional Chinese Medicine/Ministry of Education and Beijing Key Laboratory of Internal Medicine of Traditional Chinese MedicineBeijing(100700)China

The transformation and implementation of clinical practice guidelines for integrated traditional Chinese medicine(TCM)and Western medicine(WM)is crucial to the adoption of medical science and technological findings and is an important way for TCM to be made available to the ***,clinical practice guidelines(CPGs)of TCM and WM integration in recent years was analyzed to clarify the current situation and problems in the existing guidelines according to the following four perspectives:(1)perspective of TCM and WM integration in guidelines,(2)diagnosis Using integrated TCM and WM,(3)integration of TCM and WM treatment,(4)promoting TCM and WM ***,the information and quality evaluation of CPGs for integrated Chinese and Western medicine in 2020–2022 were analyzed to explore the degree and methods of integration of Chinese and Western medicine *** last this study aimed to lay a foundation for the further establishment of Chinese characteristic,repeatable,and calculable clinical practice guidelines of TCM and WM integration.

关键词： clinical practice guidelines integrated traditional Chinese and Western medicine organic integration

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PriChain: Efficient Privacy-preserving Finegrained Redactable Blockchains in Decentralized Settings

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Chinese Journal of Electronics 2024年

作者： Hongchen guo Weilin GAN Mingyang ZHAO chuan ZHANG Tong WU Liehuang ZHU Jingfeng XUE School of Computer Science and Technology Beijing Institute of Technology School of Cyberspace Science and Technology Beijing Institute of Technology School of Computer and Communication Engineering University of Science and Technology Beijing

Recently, redactable blockchain has been proposed and leveraged in a wide range of real systems for its unique properties of decentralization, traceability, and transparency while ensuring controllable on-chain data redaction. However, the development of redactable blockchain is now obstructed by three limitations, which are data privacy breaches, high communication overhead, and low searching efficiency, respectively. In this paper, we propose PriC hain, the first efficient privacy-preserving fine-grained redactable blockchain in decentralized settings. PriChain provides data owners with rights to control who can read and redact on-chain data while maintaining downward compatibility, ensuring the one who can redact will be able to read. Specifically, inspired by the concept of multi-authority attribute-based encryption, we utilize the isomorphism of the access control tree, realizing fine-grained redaction mechanism, downward compatibility, and collusion resistance. With the newly designed structure, PriChain can realize O（n） communication and storage overhead compared to prior O（n2） schemes. Furthermore, we integrate multiple access trees into a tree-based dictionary, optimizing searching efficiency. Theoretical analysis proves that PriC hain is secure against the chosen-plaintext attack and has competitive complexity. The experimental evaluations show that PriChain realizes 10× efficiency improvement of searching and 100× lower communication and storage overhead on average compared with existing schemes.

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Extracorporeal shock wave therapy in treating ischial non-union following Bernese periacetabular osteotomy:A case report

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World Journal of Orthopedics 2024年第10期15卷 991-996页

作者： Jun Yan Jun-Yu Zhu fei-fei Zhao Jian Xiao Hao Li Ming-Xin Wang Jing guo Liang Cui Geng-Yan Xing Department of Orthopedics The Third Medical Center of Chinese People's Liberation Army General HospitalBeijing 100039China Department of Orthopaedic Anhui Medical UniversityHefei 230032Anhui ProvinceChina Department of Orthopedics The Fourth Hospital of Hebei Medical UniversityShijiazhuang 050011Hebei ProvinceChina Department of Orthopedics The Fourth Medical Center of Chinese People’s Liberation Army General HospitalBeijing 100039China Department of Orthopaedic The Third Medical Center of Chinese People’s Liberation Army General HospitalThe Armed Police Clinical CollegeAnhui Medical UniversityHefei 230022Anhui ProvinceChina

BACKGROUND Extracorporeal shock wave therapy(ESWT)is increasingly being recognized as an advantageous alternative for treating non-union due to its efficacy and minimal associated ***-union following Bernese periacetabular osteotomy(PAO)is particularly challenging,with a reported 55%delayed union and 8%***,we highlight a unique case of ischial non-union post-PAO treated successfully with a structured ESWT *** SUMMARY A 50-year-old patient,diagnosed with left ischial non-union following the PAO,underwent six cycles of ESWT treatment across ten *** cycle,spaced four weeks apart,consisted of five consecutive ESWT sessions without *** X-ray follow-ups showed progressive disappearance of the fracture line and fracture *** patient ultimately achieved a satisfactory asymptomatic recovery and bone *** The results from this case suggest that this ESWT regimen can be a promising non-invasive treatment strategy for non-union following PAO.

关键词： Ischial non-union Extracorporeal shock wave therapy Non-union Bernese periacetabular osteotomy Case report

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