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Acute cholangitis with Achromobacter xylosoxidans bacteremia after endoscopic retrograde cholangiopancreatography in hilar cholangiocarcinoma:A case report

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World journal of Clinical Cases 2024年第20期12卷 4377-4383页

作者： Ik hyun jo Sung Woo Ko Department of Internal Medicine St.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 16471South Korea Department of Internal Medicine Eunpyeong St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 03312South Korea

BACKGROUND Achromobacter xylosoxidans is a Gram-negative opportunistic aerobe,usually causing nosocomial infections in immunocompromised patients with manifestations including bacteremia,pneumonia,and catheter-related ***,*** have not yet been reported to cause biliary system *** SUMMARY A 72-year-old woman presented to the outpatient department of our hospital with a chief complaint of *** tomography of her abdomen revealed the presence of a mass of approximately 2.4 cm in the hilar portion of the common hepatic duct,consistent with hilar *** performed endoscopic retrograde cholangiopancreatography(ERCP)to decompress the obstructed left and right intrahepatic ducts(IHDs)and placed 10 cm and 11 cm biliary stents in the left and right IHDs,***,the day after the procedure,the patient developed post-ERCP cholangitis as the length of the right IHD stent was insufficient for proper bile *** blood culture of the patient tested positive for *** measures included the replacement of the right IHD stent(11 cm)with a longer one(12 cm)and administering culturedirected antibiotic therapy,solving the cholangitis-related *** the cholangitis had resolved,the patient underwent surgery for hilar cholangiocarcinoma and survived for 912 d without *** ***-induced biliary system infections are extremely *** awareness of physicians and endoscopists is required as this rare pathogen might cause infection after endoscopic procedures.

关键词： Achromobacter xylosoxidans Bacteremia Cholangitis Endoscopic retrograde cholangiopancreatography Malignant biliary stricture Cholangiocarcinoma Case report

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Protein Arginine Methyltransferase 1 Ablation in Motor Neurons Causes Mitochondrial Dysfunction Leading to Age-related Motor Neuron Degeneration with Muscle Loss

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Research 2024年第1期2023卷 637-649页

作者： hyun-Kyung So Hyebeen Kim Jinwoo Lee Chang-Lim You Chae-Eun Yun Hyeon-Ju Jeong Eun-Ju Jin Yunju jo Dongryeol Ryu Gyu-Un Bae jong-Sun Kang Department of Molecular Cell Biology Sungkyunkwan University School of MedicineSuwonKorea Single Cell Network Research Center Sungkyunkwan University School of MedicineSuwonKorea Research Institute of Aging-Related Diseases AniMusCureInc.SuwonKorea Drug Information Research Institute Muscle Physiome Research CenterCollege of PharmacySookmyung Women’s UniversitySeoulKorea

Neuromuscular dysfunction is tightly associated with muscle wasting that occurs with age or due to degenerative ***,the molecular mechanisms underlying neuromuscular dysfunction are currently *** studies have proposed important roles of Protein arginine methyltransferase 1(Prmt1)in muscle stem cell function and muscle *** the current study,we set out to determine the role of Prmt1 in neuromuscular function by generating mice with motor neuron-specific ablation of Prmt1(mnKO)using *** exhibited age-related motor neuron degeneration and neuromuscular dysfunction leading to premature muscle loss and ***1 deficiency also impaired motor function recovery and muscle reinnervation after sciatic nerve *** transcriptome analysis of aged mnKO lumbar spinal cords revealed alterations in genes related to inflammation,cell death,oxidative stress,and ***,mnKO lumbar spinal cords of sciatic nerve injury model or aged mice exhibited elevated cellular stress response in motor ***,Prmt1 inhibition in motor neurons elicited mitochondrial *** findings demonstrate that Prmt1 ablation in motor neurons causes agerelated motor neuron degeneration attributing to muscle ***,Prmt1 is a potential target for the prevention or intervention of sarcopenia and neuromuscular dysfunction related to aging.

关键词： degeneration impaired prevention

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Anode surface engineering of zinc-ion batteries using tellurium nanobelt as a protective layer for enhancing energy storage performance

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journal of Energy Chemistry 2024年第5期92卷 113-123页

作者： Soobeom Lee Yeonjin Je Boeun Seok hyun Tae Kim Yong-Ryun jo Soong Ju Oh Byoungyong Im Dae Guen Kim Sang-Soo Chee Geon-Hyoung An Department of Energy System Engineering Gyeongsang National UniversityJinju 52725Republic of Korea Nano Convergence Materials Center Korea Institute of Ceramic Engineering and Technology(KICET)Jinju 52851Republic of Korea Department of Materials Science and Engineering Korea UniversitySeoul 02841Republic of Korea School of Materials Science and Engineering Gyeongsang National UniversityJinju 52828Republic of Korea GIST Advanced Insitute of Instrumental Analysis(GAIA) Electron Microscopy LaboratoryGwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Center for Advanced Materials and Processing Institute for Advanced EngineeringYongin 17180Republic of Korea Department of Energy Engineering Gyeongsang National UniversityJinju 52725Republic of Korea

Over the years,zinc-ion batteries(ZIBs)have attracted attention as a promising next-generation energy storage technology because of their excellent safety,long cycling performance,eco-friendliness,and high-power ***,issues,such as the corrosion and dissolution of the Zn anode,limited wet-tability,and lack of sufficient nucleation sites for Zn plating,have limited their practical *** introduction of a protective layer comprising of tellurium(Te)nanobelts onto the surface of Zn anode has emerged as a promising approach to overcome these limitations and improve the electrochemical behav-ior by enhancing the safety and wettability of ZIBs,as well as providing numerous nucleation sites for Zn *** the presence of a Te-based protective layer,the energy power density of the surface-engineered Zn anode improved significantly(ranging from 310 to 144 W h kg^(-1),over a power density range of 270 to 1,800 W kg^(-1)),and the lifespan capability was *** results demonstrate that the proposed strategy of employing Te nanobelts as a protective layer holds great promise for enhancing the energy storage performance of zIBs,making them even more attractive as a viable energy storage solution forthefuture.

关键词： Zn ion battery Anode Protective layer Tellurium Nanobelt

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Effect of serum testosterone and percent tumor volume on extra-prostatic extension and biochemical recurrence after laparoscopic radical prostatectomy

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Asian journal of Andrology 2016年第1期18卷 54-59页

作者： Eu Chang Hwang Seong Hyeon Yu yang hyun jo Seung I1 Jung Taek Won Kang Dong Deuk Kwon Chan Choi Suk Hee Heo Jun Eul Hwang Sung-Hoon Jung Tae-Young Jung Department of Urology Chonnam National University Medical School Gwangju Republic of Korea Department of Pathology Chonnam National University Medical School Gwangju Republic of Korea Department of Radiology Chonnam National University Medical School Gwangju Republic of Korea Department of Hemato-oncology Chonnam National University Medical School Gwangju Republic of Korea Department of Neurosurgery Chonnam National University Medical Schoo Gwangju Republic of Korea

Several studies have revealed that the preoperative serum testosterone and percent tumor volume （PTV） predict extra-prostatic extension （EPE） and biochemical recurrence （BCR） after radical prostatectomy. This study investigated the prognostic significance of serum testosterone and PTV in relation to EPE and BCR after laparoscopic radical prostatectomy （LRP）. We reviewed 520 patients who underwent LRP between 2004 and 2012. PTV was determined as the sum of all visually estimated tumor foci in every section. BCR was defined as two consecutive increases in the postoperative prostate-specific antigen （PSA）〉0.2 ng ml^-1. The threshold for serum total testosterone was 3.0 ng ml^-1, Multivariate logistic regression was used to define the effect of variables on the risk of EPE and BCR. A low serum testosterone （〈3.0 ng ml^-1） was associated with a high serum PSA, Gleason score, positive core percentage of the prostate biopsy, PTV, and all pathological variables. On multivariate analysis, similar to previous studies, the serum PSA, biopsy positive core percentage, Gleason score, and pathological variables predicted EPE and BCR. In addition, low serum testosterone （〈3.0 ng ml^-1, adjusted OR, 8.52; 95% CI, 5.04-14.4, P = 0.001） predicted EPE and PTV （adjusted OR, 1.02; 95% CI, 1.01-1.05, P = 0.046） predicted BCR. In addition to previous predictors of EPE and BCR, low serum testosterone and PTV are valuable predictors of EPE and BCR after LRP.

关键词： biochemical recurrence extra-prostatic extension prostate neoplasms prostatectomy testosterone tumor burden

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Improved continuous precipitation kinetics and tensile properties of extruded AZ80 alloy through {10-12} twin formation

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journal of Magnesium and Alloys 2023年第9期11卷 3323-3337页

作者： hyun Ji Kim Sumi jo Sung Hyuk Park Department of Materials Science and Metallurgical Engineering Kyungpook National UniversityDaegu 41566the Republic of Korea

This study investigates the effect of {10-12} deformation twins on the continuous precipitation behavior of an extruded Mg-8.0Al-0.5Zn-0.2Mn(AZ80) alloy during aging. The extruded AZ80 alloy is compressed along the transverse direction to introduce {10-12} twins,followed by an aging treatment at 300 ℃. The extruded material exhibits a twin-free microstructure with low internal strain energy, whereas the pre-twinned material possesses abundant {10-12} twins and has high internal strain energy. The aging results reveal that the peak-aging time of the pre-twinned material(1 h) is one-eighth of that of the extruded material(8 h). Although Mg_(17)Al_(12) continuous precipitates(CPs)are observed in both the peak-aged materials, these CPs are much smaller and more densely distributed in the pre-twinned material despite the significantly shorter aging time. The CPs size in the peak-aged materials increases in the following order: twinned region in the pre-twinned material(0.47 μm) < residual matrix region in the pre-twinned material(1.71 μm) < matrix region in the extruded material(2.55 μm).Moreover, the CPs number density in the twinned region of the pre-twinned material is approximately 11 times higher than that in the matrix region of the extruded material. The peak-aged pre-twinned material exhibits significantly higher tensile strength and ductility than the peak-aged extruded material. These results demonstrate that the formation of {10-12} twins in the extruded AZ80 alloy substantially accelerates the static precipitation of CPs during aging at 300 ℃ and improves the tensile properties of the peak-aged material.

关键词： AZ80 alloy {10-12}twin Aging Continuous precipitation Tensile properties

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Comparative outcomes of the pathogen in cultured jones tubes used in lacrimal bypass surgery according to follow up periods

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国际眼科杂志:英文版 2023年第10期16卷 1623-1629页

作者： Bo hyun Park Hui Kyung Kim Yeon Ji jo jong Soo Lee Department of Ophthalmology Pusan National University School of Medicine&Medical Research Institute of Pusan National University HospitalPusan 49241Republic of Korea

AIM:To evaluate the pathogens in cultured jones tubes used in lacrimal bypass surgery according to the postoperative periods and to obtain data for the prevention of infection of functional lacrimal stent ***:Totally 71 patients(81 eyes)who underwent the removal of jones tubes were enrolled in *** the removed jones tubes were cultured for bacterial and fungal identification and tested for bacterial antibiotic *** results were analyzed according to the duration of the inserted jones tube after lacrimal bypass ***:Of the 81 eyes,bacteria were isolated from 69 eyes(85.2%)and fungi from 6 eyes(7.4%).Among 69 eyes,40.6% showed Staphylococcus aureus(***),11.6% were Pseudomonas aeruginosa(***).Gram-positive bacteria were isolated more than Gramnegative bacteria,but Gram-negative bacteria showed a higher incidence in the jones tube implanted for over 10y(P=0.035).The antibiotic sensitivity test showed that 46.4% of *** were resistant to *** terms of antibiotics commonly used in ocular clinical practice,vancomycin was sensitive to *** and Streptococcus pneumoniae(***),amikacin responded to *** and Proteus mirabilis(***).Trimethoprim/sulfamethoxazole(TMP/SMX)was all sensitive to ***,*** and *** except ***:*** is the most commonly found organism in the jones tube after lacrimal bypass surgery,and 46.4% of them are methicillin-resistant ***(MRSA),sensitive to ***,*** responded with amikacin is dominantly detected in the jones tubes implanted for more than 10y.

关键词： jones tube lacrimal bypass surgery Pseudomonas aeruginosa Proteus mirabilis Staphylococcus aureus

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4-Hydroxycinnamic acid attenuates neuronal cell death by inducing expression of plasma membrane redox enzymes and improving mitochondrial functions

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Food Science and Human Wellness 2023年第4期12卷 1287-1299页

作者： Sujin Park YoonA Kim Jaewang Lee hyunsoo Seo Sang-Jip Nam Dong-Gyu jo Dong-Hoon hyun Department of Life Science Ewha Womans UniversitySeoul 03760South Korea Department of Chemistry and Nano Science Ewha Womans UniversitySeoul 03760South Korea School of Pharmacy Sungkyunkwan UniversitySuwon 16419South Korea

Many approaches to neurodegenerative diseases that focus on amyloid-βclearance and gene therapy have not been *** therapeutic applications focus on enhancing neuronal cell survival during the pathogenesis of neurodegenerative diseases,including mitochondrial *** membrane(PM)redox enzymes are crucial in maintaining cellular physiology and redox homeostasis in response to mitochondrial *** phytochemicals are known to induce the expression of detoxifying enzymes under stress *** this study,mechanisms of neuroprotective effects of 4-hydroxycinnamic acid(HCA)were examined by analyzing cell survival,levels of abnormal proteins,and mitochondrial functions in two different neuronal *** protected two neuronal cells exhibited high expression of PM redox enzymes and the consequent increase in the NAD^(+)/NADH *** cultured with HCA showed delayed apoptosis and decreased oxidative/nitrative damage accompanied by decreased ROS production in the *** increased the mitochondrial complexes I and II activities and ATP ***,HCA increased mitochondrial fusion and decreased mitochondrial ***,HCA maintains redox homeostasis and energy metabolism under oxidative/metabolic stress *** findings suggest that HCA could be a promising therapeutic approach for neurodegenerative diseases.

关键词： NADH-quinone oxidoreductase 1(NQO1) Cytochrome b5 reductase 4-Hydroxycinnamic acid Neuroprotection Improved mitochondrial functions

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The spliceophilin CYP18-2 is mainly involved in the splicing of retained introns under heat stress in Arabidopsis

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journal of Integrative Plant Biology 2023年第5期65卷 1113-1133页

作者： Areum Lee hyun Ji Park Seung Hee jo Haemyeong Jung hyun-Soon Kim Hyo-Jun Lee Youn-Sung Kim Choonkyun Jung Hye Sun Cho Plant Systems Engineering Research Center Korea Research Institute of Bioscience and Biotechnology(KRIBB)Daejeon 34141Korea Department of Biosystems and Bioengineering KRIBB School of BiotechnologyUniversity of Science and Technology(UST)Daejeon 34141Korea Department of Functional Genomics KRIBB School of BioscienceUSTDaejeon 34113Korea Department of Biotechnology NongWoo BioAnseong 17558Korea Department of International Agricultural Technology and Crop Biotechnology Institute/Green Bio Science and Technology Seoul National UniversityPyeongchang 25354Korea Department of Agriculture Forestryand Bioresources and Integrated Major in Global Smart FarmCollege of Agriculture and Life SciencesSeoul National UniversitySeoul 08826Korea

Peptidyl-prolyl isomerase-like 1(PPIL1)is associated with the human spliceosome ***,its function in pre-mRNA splicing remains *** this study,we show that Arabidopsis thaliana CYCLOPHILIN 18-2(AtCYP18-2),a PPIL1 homolog,plays an essential role in heat tolerance by regulating pre-mRNA *** heat stress conditions,AtCYP18-2 expression was upregulated in mature plants and GFP-tagged AtCYP18-2 redistributed to nuclear and cytoplasmic *** determined that AtCYP18-2 interacts with several spliceosome complex B^(ACT)components in nuclear puncta and is primarily associated with the small nuclear RNAs U5 and U6 in response to heat *** AtCYP18-2 loss-of-function allele cyp18-2 engineered by CRISPR/Cas9-mediated gene editing exhibited a hypersensitive phenotype to heat stress relative to the wild ***,global transcriptome profiling showed that the cyp18-2 mutation affects alternative splicing of heat stress–responsive genes under heat stress conditions,particularly intron retention(IR).The abundance of most intron-containing transcripts of a subset of genes essential for thermotolerance decreased in cyp18-2 compared to the wild ***,the intron-containing transcripts of two heat stress-related genes,HEAT SHOCK PROTEIN 101(HSP101)and HEAT SHOCK FACTOR A2(HSFA2),produced functional ***101-IR-GFP localization was responsive to heat stress,and HSFA2-Ⅲ-IR interacted with HSF1 and HSP90.1 in plant *** findings reveal that CYP18-2 functions as a splicing factor within the B~(ACT)spliceosome complex and is crucial for ensuring the production of adequate levels of alternatively spliced transcripts to enhance thermotolerance.

关键词： alternative splicing CYP18-2 HSFA2-Ⅲ intron retention spliceophilin spliceosome complex B~(ACT) thermotolerance

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Effect of molybdenum on interfacial properties of titanium carbide reinforced Fe composite

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journal of Materials Science & Technology 2022年第12期107卷 252-258页

作者： Seungchan Cho Junghwan Kim Ilguk jo Jae hyun Park Jaekwang Lee hyun-Uk Hong Bong Ho Lee Wook Ryol Hwang Dong-Woo Suh Sang-Kwan Lee Sang-Bok Lee Composites Research Division Korea Institute of Materials Science(KIMS)Changwon 51508South Korea Advanced Materials Engineering Dong-Eui UniversityBusan 47340South Korea Department of Aerospace and Software Engineering Gyeongsang National UniversityJinju 52828South Korea Department of Physics Pusan National UniversityBusan 46241South Korea Department of Materials Convergence and System Engineering Changwon National UniversityChangwon 51140South Korea Center for Core Research Facilities Daegu Gyeongbuk Institute of Science and TechnologyDaegu 42988South Korea School of Mechanical Engineering Gyeongsang National UniversityJinju 52828South Korea Graduate Institute of Ferrous Technology Pohang University of Science and TechnologyGyeongbuk 37673South Korea

This study shows that the mechanical strength of the composite of Fe matrix and titanium carbide(Ti C)ceramic particles is significantly enhanced with addition of molybdenum(Mo) atoms. Ti C reinforced Fe(Fe-0.2C-7Mn) composites with and without Mo were fabricated by a liquid pressing infiltration(LPI)process and the effect of Mo on interfacial properties of TiC–Fe composite was investigated using atomic probe tomography(APT) analysis, molecular dynamics(MD) simulations, first-principle density functional theory(DFT), and thermodynamic calculations. First, DFT calculations showed that total energies of the Mo-doped Ti C–Fe superlattices strongly depend on the position of Mo defects, and are minimized when the Mo atom is located at the TiC/Fe interface, supporting the probable formation of MoC-like interphase at the TiC/Fe interface region. Then, APT analysis confirmed the DFT predictions by finding that about6.5 wt.% Mo is incorporated in the Ti C–Fe(Mo) composite and that sub-micrometer thick(Ti,Mo)C interphase is indeed formed near the interface. The MD simulations show that Mo atoms migrate to the Mo-free TiC–Fe interface at elevated temperatures and the mechanical strength of the interface is considerably enhanced, which is in good agreement with experimental observations.

关键词： Metal matrix composites(MMCs) Titanium carbide Fe matrix composite Infiltration Molybdenum Interfacial property

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Atypical progress of frozen shoulder after COVID-19 vaccination:A case report

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World journal of Clinical Cases 2023年第15期11卷 3637-3642页

作者： hyun-Seok jo Hyeong-Min Kim Jae-Young Han Hyeng-Kyu Park Department of Physical and Rehabilitation Medicine Research Institute of Medical SciencesHeart Research CenterChonnam National UniversityChonnam National University Medical School&HospitalGwangju City 61469South Korea Department of Physical and Rehabilitation Medicine Regional Cardiocerebrovascular CenterCenter for Aging and GeriatricsResearch Institute of Medical SciencesHeart Research CenterChonnam National UniversityChonnam National University Medical School&HospitalGwangju City 61469South Korea

BACKGROUND After vaccination was mandated worldwide,various adverse effects associated with the coronavirus disease 2019(COVID-19)vaccination,including shoulder pain,have been ***,we report a case of new-onset shoulder pain after BNT162b2(Comirnaty,Pfizer-BioNTech)mRNA *** SUMMARY A 50-year-old man visited our rehabilitation center with left shoulder range of motion(ROM)limitation that had persisted for more than 5 *** history included no specific noteworthy events,except *** pain in the patient’s left deltoid muscle appeared 1 day after the second BNT162b2 vaccination and intensified to severe *** patient self-administered aspirin,with which the pain subsided immediately,whereas ROM limitation *** the first visit,the patient complained of dull pain and ROM restriction of the left shoulder(flexion 130°,abduction 110°,and external rotation 40°).Among the diagnostic studies conducted for the evaluation of the shoulder,magnetic resonance imaging showed a thickened coracohumeral *** conduction studies and needle electromyography showed no electrodiagnostic *** patient received comprehensive rehabilitation for 7 mo and had an overall improvement in pain and ROM of the left *** In this case of severe shoulder pain after COVID-19 vaccination that subsided immediately with aspirin treatment,the exact cause and mechanism of pain are ***,the clinical symptoms and diagnostic workups in our report suggest the possibility that the COVID-19 vaccination triggered an immunochemical response that resulted in shoulder pathology.

关键词： COVID-19 Vaccination Adhesive capsulitis Frozen shoulder Mechanism Case report

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