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Predictors and prognostic impact of post-operative atrial fibrillation in patients with hip fracture surgery

World Journal of Clinical Cases 2022年第11期10卷 3379-3388页

作者： seong jun bae Chang Hee Kwon Tae-Young Kim Haseong Chang Bum Sung Kim Sung Hea Kim Hyun-Joong Kim Department of Internal Medicine Konkuk University Medical CenterSeoul 05030South Korea Department of Orthopaedic Surgery Konkuk University Medical CenterSeoul 05030South Korea

BACKGROUND Atrial fibrillation(AF)is the most common arrhythmia developing in postoperative *** data are available regarding pre-operative risk factors and prognostic impact of post-operative AF(POAF)following hip fracture surgery(HFS)in Korean *** We aimed to investigate the incidence,predictors,and hospital prognosis of POAF in HFS *** This study included 245 patients without history of AF who underwent HFS between August 2014 and November *** was defined as new-onset AF that occurred during hospitalization after *** Twenty patients(8.2%)experienced POAF after *** developed on median post-operative day 2(interquartile range,1–3).Multivariable logistic regression analysis showed that age[odds ratio(OR),1.111;95%confidence interval(CI),1.022–1.209],chronic obstructive pulmonary disease(COPD)(OR,6.352;95%CI,1.561–25.841)and E/e’ratio(OR,1.174;95%CI,1.002–1.376)were significant predictors of *** with POAF had a significantly higher intensive care unit admission rate(55.0%vs 14.7%,P<0.001)and incidence of congestive heart failure(45.0%vs 10.7%,P<0.001).In multivariable logistic regression analysis,POAF was significantly associated with increased incidence of congestive heart failure(OR,4.856;95%CI,1.437–16.411)and intensive care unit admission(OR,6.615;95%CI,2.112–20.718).CONCLUSION POAF was frequently developed in elderly patients following ***,COPD and elevated E/e’ratio were found as significant predictors of POAF in HFS *** with POAF significantly experienced intensive care unit admission and incident congestive heart failure during hospitalization.

关键词： Atrial fibrillation Post-operative Predictor Prognosis Hip fracture surgery

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Enhancing Identity Protection in Metaverse-Based Psychological Counseling System

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Computers, Materials & Continua 2024年第1期78卷 617-632页

作者： jun Lee Hanna Lee seong Chan Lee Hyun Kwon Department of Game Software Hoseo UniversityAsan-si31499Korea Yatav Enter Seoul04799Korea Department of Artificial Intelligence and Data Science Korea Military AcademySeoul01805Korea

Non-face-to-face psychological counseling systems rely on network technologies to anonymize information regard-ing client ***,these systems often face challenges concerning voice data leaks and the suboptimal communication of the client’s non-verbal expressions,such as facial cues,to the *** study proposes a metaverse-based psychological counseling system designed to enhance client identity protection while ensuring efficient information delivery to counselors during non-face-to-face *** proposed systemincorporates a voicemodulation function that instantlymodifies/masks the client’s voice to safeguard their ***,it employs real-time client facial expression recognition using an ensemble of decision trees to mirror the client’s non-verbal expressions through their avatar in the metaverse *** system is adaptable for use on personal computers and smartphones,offering users the flexibility to access metaverse-based psychological counseling across diverse *** performance evaluation of the proposed system confirmed that the voice modulation and real-time facial expression replication consistently achieve an average speed of 48.32 frames per second or higher,even when tested on the least powerful smartphone ***,a total of 550 actual psychological counseling sessions were conducted,and the average satisfaction rating reached 4.46 on a 5-point *** indicates that clients experienced improved identity protection compared to conventional non-face-to-face metaverse counseling ***,the counselor successfully addressed the challenge of conveying non-verbal cues from clients who typically struggled with non-face-to-face psychological *** proposed systemholds significant potential for applications in interactive discussions and educational activities in the metaverse.

关键词： Metaverse counseling system face tracking identity protection

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SARS-CoV-2 aberrantly elevates mitochondrial bioenergetics to induce robust virus propagation

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2702-2715页

作者： Hye Jin Shin Wooseong Lee Keun Bon Ku Gun Young Yoon Hyun-Woo Moon Chonsaeng Kim Mi-Hwa Kim Yoon-Sun Yi Sangmi jun Bum-Tae Kim Jong-Won Oh Aleem Siddiqui seong-jun Kim Department of Convergent Research of Emerging Virus Infection Korea Research Institute of Chemical TechnologyDaejeon 34114Republic of Korea Gyeongnam Biohealth Research Center Gyeongnam Branch InstituteKorea Institute of ToxicologyJinju 52834Republic of Korea Center for Research Equipment Korea Basic Science InstituteCheongjuChungcheongbuk-do 28119Republic of Korea Department of Biotechnology Yonsei UniversitySeoul 03722Republic of Korea Division of Infectious Diseases School of MedicineUniversity of CaliforniaSan DiegoLa JollaCA 92093USA Present address:Department of Microbiology Chungnam National University School of MedicineDaejeon 35015Republic of Korea

Severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is a‘highly transmissible respiratory pathogen,leading to severe multiorgan ***,knowledge regarding SARS-CoV-2-induced cellular alterations is *** this study,we report that SARSCoV-2 aberrantly elevates mitochondrial bioenergetics and activates the EGFR-mediated cell survival signal cascade during the early stage of viral ***-CoV-2 causes an increase in mitochondrial transmembrane potential via the SARS-CoV-2 RNAnucleocapsid cluster,thereby abnormally promoting mitochondrial elongation and the OXPHOS process,followed by enhancing ATP ***,SARS-CoV-2 activates the EGFR signal cascade and subsequently induces mitochondrial EGFR trafficking,contributing to abnormal OXPHOS process and viral *** EGFR inhibitors remarkably reduce SARS-CoV-2 propagation,among which vandetanib exhibits the highest antiviral *** of SARS-CoV-2-infected cells with vandetanib decreases SARS-CoV-2-induced EGFR trafficking to the mitochondria and restores SARS-CoV-2-induced aberrant elevation in OXPHOS process and ATP generation,thereby resulting in the reduction of SARS-CoV-2 ***,oral administration of vandetanib to SARS-CoV-2-infected hACE2 transgenic mice reduces SARS-CoV-2 propagation in lung tissue and mitigates SARS-CoV-2-induced lung *** also exhibits potent antiviral activity against various SARS-CoV-2 variants of concern,including alpha,beta,delta and omicron,in in vitro cell culture *** together,our findings provide novel insight into SARS-CoV-2-induced alterations in mitochondrial dynamics and EGFR trafficking during the early stage of viral infection and their roles in robust SARS-CoV-2 propagation,suggesting that EGFR is an attractive host target for combating COVID-19.

关键词： alterations aberrant thereby

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Role of marine natural products in the development of antiviral agents against SARS‑CoV‑2:potential and prospects

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Marine Life Science & Technology 2024年第2期6卷 280-297页

作者： D.P.Nagahawatta N.M.Liyanage Thilina U.Jayawardena H.H.A.C.K.Jayawardhana seong‑Hun Jeong Hyung‑jun Kwon You‑Jin Jeon Department of Marine Life Sciences Jeju National UniversityJeju 690-756Republic of Korea Department of Chemistry Biochemistry and PhysicsUniversitédu QuébecàTrois-RivièresTrois-RivièresQC G8Z 4M3Canada Marine Science Institute Jeju National UniversityJeju 63333Republic of Korea Functional Biomaterial Research Center Korea Research Institute of Bioscience and BiotechnologyJeongeup-siRepublic of Korea

A novel coronavirus,known as severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),has surfaced and caused global concern owing to its ***-CoV-2 is the causative agent of coronavirus disease 2019;however,it was only discovered at the end of the year and was considered a pandemic by the World Health ***,the develop-ment of novel potent inhibitors against SARS-CoV-2 and future outbreaks is urgently *** naturally occurring bioactive substances have been studied in the clinical setting for diverse *** intricate infection and replication mechanism of SARS-CoV-2 offers diverse therapeutic drug targets for developing antiviral medicines by employing natural products that are safer than synthetic *** natural products(MNPs)have received increased attention in the development of novel drugs owing to their high diversity and ***,this review article investigates the infection and replication mechanisms,including the function of the SARS-CoV-2 genome and ***,we highlighted anti-SARS-CoV-2 therapeutic intervention efforts utilizing MNPs and predicted SARS-CoV-2 inhibitor design.

关键词： SARS-CoV-2 Marine natural products Drug targets Inhibitors

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Functionalization design of zinc anode for advanced aqueous zinc-ion batteries

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SusMat 2024年第2期4卷 89-124页

作者： Ziyi Feng Yang Feng Fangfang Fan Dezhao Deng Han Dong Shude Liu Ling Kang seong Chan jun Ling Wang Jing Zhu Lei Dai Zhangxing He School of Chemical Engineering North China University of Science and TechnologyTangshanChina State Key Laboratory of Advanced Chemical Power Sources College of ChemistryNankai UniversityTianjinChina Shanghai Frontiers Science Center of Advanced Textiles College of TextilesDonghua UniversityShanghaiChina Shanghai Key Laboratory of Multidimensional Information Processing East China Normal UniversityShanghaiChina School of Mechanical Engineering Yonsei UniversitySeoulSouth Korea

Rechargeable aqueous zinc-ion batteries(AZIBs)offer high energy density,low cost,and are environmentally friendly,rendering them potential energy storage ***,dendrite growth on the zinc anode and numerous side reac-tions during operation challenge their *** advancements have introduced various materials for the functionalization of zinc *** developments effectively mitigate the performance degradation of zinc anode,enhancing both its cycle stability and the overall performance of ***,the construction of functionalized zinc anodes is discussed,current materials(including organic,inorganic and their composites)for modified zinc anodes are categorized,and the protective mechanism behind functionalized zinc anodes is *** study concludes by outlining the characteristics of materials suitable for dendritic-free zinc anode construction and the prospects for future development directions of functionalized zinc anodes in AZIBs.

关键词： anode functionalization inorganic materials organic materials zinc-ion batteries

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Generation of double knockout cattle via CRISPR-Cas9 ribonucleoprotein(RNP)electroporation

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Journal of Animal Science and Biotechnology 2024年第1期15卷 456-462页

作者： Gyeong-Min Gim Kyeong-Hyeon Eom Dong-Hyeok Kwon Dae-Jin jung Dae-Hyun Kim jun-Koo Yi Jae-jung Ha Ji-Hyun Lee seong-Beom Lee Woo-Jae Son Soo-Young Yum Won-Wu Lee Goo Jang Laboratory of Theriogenology and Biotechnology Department of Veterinary Clinical ScienceCollege of Veterinary Medicine and the Research Institute of Veterinary ScienceSeoul National UniversitySeoulRepublic of Korea LARTBio Co. Ltd.SeoulRepublic of Korea Gyeongsangbukdo Livestock Research Institute YeongjuRepublic of Korea Comparative Medicine Disease Research Center Seoul National UniversitySeoulRepublic of Korea

Background Genome editing has been considered as powerful tool in agricultural ***,genome editing progress in cattle has not been fast as in other mammal species,for some disadvantages including long gestational periods,single pregnancy,and high raising ***,technically demanding methods such as microinjection and somatic cell nuclear transfer(SCNT)are needed for gene editing in *** this point of view,electroporation in embryos has been risen as an *** First,editing efficiency of our electroporation methods were tested for *** of mutation on embryo was confirmed by T7E1 *** first combination,mutation rates for MSTN and PRNP were 57.6%±13.7%and 54.6%±13.5%,*** case of MSTN/BLG,mutation rates were 83.9%±23.6%for MSTN,84.5%±18.0%for ***,the double-KO embryos were transferred to surrogates and mutation rate was identified in resultant calves by targeted deep *** recipients were transferred for MSTN/PRNP,4 calves were delivered,and one calf underwent an induction for double *** surrogates were given double-KO embryos for MSTN/BLG,and four of the six calves that were born had mutations in both *** These data demonstrated that production of genome edited cattle via electroporation of RNP could be effectively ***,MSTN and PRNP from beef cattle and MSTN and BLG from dairy cattle have been born and they will be valuable resources for future precision breeding.

关键词： Beta-lactoglobulin Cattle CRISPR-Cas9 Electroporation Knockout MSTN PRNP

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Functionally graded structure of a nitride-strengthened Mg_(2)Si-based hybrid composite

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Journal of Magnesium and Alloys 2024年第3期12卷 1239-1256页

作者： Jeongho Yang Woongbeom Heogh Hogi Ju Sukhyun Kang Tae-Sik Jang Hyun-Do jung Mohammad Jahazi Seung Chul Han seong Je Park Hyoung Seop Kim Susmita Bose Amit Bandyopadhyay Martin Byung-Guk jun Young Won Kim Dae-kyeom Kim Rigoberto CAdvincula Clodualdo Aranas Jr Sang Hoon Kim School of Mechanical Engineering Pusan National UniversityBusan 46241Republic of Korea Department of Mechanical Design Engineering Hanyang UniversitySeoul 04763Republic of Korea Process Research 3 Team LG Display Co.Ltd.PajuGyeonggi-do 10845Republic of Korea Department of Materials Science and Engineering Chosun UniversityGwangju 61452Republic of Korea Institute of Well-Aging Medicare&Chosun University LAMP Center Chosun UniversityGwangju 61452Republic of Korea Division of Materials Science and Engineering Hanyang UniversitySeoul 04763Republic of Korea Department of Mechanical Engineering École de Technologie SupérieureMontrealQuebec H3C 1K3Canada Material&Component Convergence R&D Center Korea Construction Equipment Technology InstituteGunsanJeollabuk-do 54002Republic of Korea School of Mechanical and Aerospace Engineering Nanyang Technological UniversitySingapore 639798Singapore Graduate Institute of Ferrous&Eco Materials Technology Pohang University of Science and TechnologyPohangGyeongsangbuk-do 37673Republic of Korea Advanced Institute for Materials Research Tohoku UniversitySendai 980-8577Japan Institute for Convergence Research and Education in Advanced Technology Yonsei UniversitySeoul 03722Republic of Korea School of Mechanical and Materials Engineering Washington State UniversityPullmanWashington 99164USA School of Mechanical Engineering Purdue UniversityWest LafayetteIndiana 47907USA Research Institute of Advanced Manufacturing Technology Korea Institute of Industrial TechnologyIncheon 21999Republic of Korea Department of Macromolecular Science and Engineering Case Western Reserve UniversityClevelandOhio 44106USA Department of Chemical and Biomolecular Engineering and Joint Institute for Advanced Materials University of TennesseeKnoxvilleTennessee 37996USA Center for Nanophase Materials and Sciences Oak Ridge National LaboratoryOak RidgeTennessee 37830USA Department of Mechanical Engineering University of New BrunswickFrederictonNew Brunswick E3B 5A3Cana

The ex-situ incorporation of the secondary SiC reinforcement,along with the in-situ incorporation of the tertiary and quaternary Mg_(3)N_(2) and Si_(3)N_(4) phases,in the primary matrix of Mg_(2)Si is employed in order to provide ultimate wear resistance based on the laser-irradiation-induced inclusion of N_(2) gas during laser powder bed *** is substantialized based on both the thermal diffusion-and chemical reactionbased metallurgy of the Mg_(2)Si–SiC/nitride hybrid *** study also proposes a functional platform for systematically modulating a functionally graded structure and modeling build-direction-dependent architectonics during additive *** strategy enables the development of a compositional gradient from the center to the edge of each melt pool of the Mg_(2)Si–SiC/nitride hybrid ***,the coefficient of friction of the hybrid composite exhibits a 309.3%decrease to–1.67 compared to–0.54 for the conventional nonreinforced Mg_(2)Si structure,while the tensile strength exhibits a 171.3%increase to 831.5 MPa compared to 485.3 MPa for the conventional *** outstanding mechanical behavior is due to the(1)the complementary and synergistic reinforcement effects of the SiC and nitride compounds,each of which possesses an intrinsically high hardness,and(2)the strong adhesion of these compounds to the Mg_(2)Si matrix despite their small sizes and low concentrations.

关键词： Laser powder bed fusion Mg_(2)Si-SiC/nitride hybrid composite Both the thermal diffusion-and chemical reaction-based metallurgy Functionally graded structure Compositional gradient Wear resistance.

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Optimal treatment strategy for Helicobacter pylori:Era of antibiotic resistance

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World Journal of Gastroenterology 2014年第19期20卷 5654-5659页

作者： jun Heo seong Woo Jeon Department of Internal Medicine Kyungpook National University Hospital Medical CenterDaegu 702-911South Korea

Standard triple therapy, consisting of a proton pump inhibitor, plus amoxicillin and clarithromycin, has been the most commonly used first-line treatment regimen for Helicobacter pylori (H. pylori) eradication for many years worldwide. However, as a result of increased resistance to antibiotics, H. pylori eradication rates with use of standard triple therapy have been declining and recently reached < 80% in many countries. Several new strategies to enhance the eradication rate of H. pylori have been studied. Currently, among the alternative first-line eradication regimens, concomitant and hybrid regimens have shown excellent results and could be the optimal treatment option. Although clinical usefulness of rescue therapy for patients in whom eradication of H. pylori with non-bismuth quadruple regimen has failed is unclear, levofloxacin-based quadruple therapy has shown promise as a rescue treatment. The choice of third-line therapy depends on factors such as the local pattern of antibiotic resistance, drug availability, and previous treatment. We hope that a simple method for detection of antibiotic susceptibility using polymerase chain reaction would be a possible alternative to administration of “tailored treatment” in the era of increasing prevalence of antimicrobial resistance.

关键词： Helicobacter pylori Standard therapy Bacterial eradication Concomitant therapy Hybrid therapy

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Mitochondrial Reactive Oxygen Species Elicit Acute and Chronic Itch via Transient Receptor Potential Canonical 3 Activation in Mice

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Neuroscience Bulletin 2022年第4期38卷 373-385页

作者： seong-Ah Kim jun Ho Jang Wheedong Kim Pa Reum Lee Yong Ho Kim Hue Vang Kihwan Lee Seog bae Oh Department of Neurobiology and Physiology School of Dentistry and Dental Research InstituteSeoul National UniversitySeoul 03080Republic of Korea Department of Brain and Cognitive Sciences College of Natural SciencesSeoul National UniversitySeoul 08826Republic of Korea Gachon Pain Center and Department of Physiology College of MedicineGachon UniversityIncheon 21999Republic of Korea Tooth-Periodontium Complex Medical Research Center School of DentistrySeoul National UniversitySeoul 03080Republic of Korea

Mitochondrial reactive oxygen species(mROS)that are overproduced by mitochondrial dysfunction are linked to pathological conditions including sensory ***,we explored whether mROS overproduction induces itch through transient receptor potential canonical 3(TRPC3),which is sensitive to *** injection of antimycin A(AA),a selective inhibitor of mitochondrial electron transport chain complex III for mROS overproduction,produced robust scratching behavior in naïve mice,which was suppressed by MitoTEMPO,a mitochondria-selective ROS scavenger,and Pyr10,a TRPC3-specific blocker,but not by blockers of TRPA1 or *** activated subsets of trigeminal ganglion neurons and also induced inward currents,which were blocked by MitoTEMPO and ***,dry skin-induced chronic scratching was relieved by MitoTEMPO and Pyr10,and also by resveratrol,an *** together,our results suggest that mROS elicit itch through TRPC3,which may underlie chronic itch,representing a potential therapeutic target for chronic itch.

关键词： Mitochondria Reactive oxygen species TRPC3 Itch Dry skin Trigeminal ganglia

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Duplication of the common bile duct manifesting as recurrent pyogenic cholangitis:A case report

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World Journal of Gastroenterology 2021年第4期27卷 371-376页

作者： jun seong Hwang Sung Woo Ko Internal Medicine Inje University Haeundae Paik HospitalInje College of MedicineBusan 48108South Korea Internal Medicine Eunpyeong St.Mary's HospitalCatholic University of KoreaSeoul 03312South Korea

BACKGROUND Duplication of the extrahepatic bile duct(DCBD)is an extremely rare congenital anomaly of the biliary *** are five types of DCBD according to the latest *** them,Type V is characterized by single drainage of the extrahepatic bile *** on DCBD Type V are *** SUMMARY A 77-year-old woman presented with recurrent epigastric pain but without fever or *** tomography revealed a dilated common bile duct(CBD)that harboured multiple *** retrograde cholangiopancreatography(ERCP)was performed,and the stones were extracted using a Dormia *** was discharged without any complications;however,she visited the emergency department a day after she was discharged due to epigastric pain and *** findings were suggestive of *** urgent ERCP for stone removal,magnetic resonance cholangiopancreatography was performed to evaluate remnant *** resonance cholangiopancreatography revealed a DCBD Type Va and remnant choledocholithiasis in the right *** CBDs were accessed,and the stones were cleared successfully during a subsequent *** In this article,we report an extremely rare case of DCBD manifesting as recurrent pyogenic *** case highlights the importance of recognizing DCBD because stones in the unrecognized bile duct could make the patient’s prognosis critical.

关键词： Double common bile duct Common bile duct disease Choledocholithiasis Cholangitis Endoscopic retrograde cholangiopancreatography Case report

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