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Glucose-mediated mitochondrial reprogramming by cholesterol export at TM4SF5-enriched mitochondria-lysosome contact sites

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Cancer Communications 2024年第1期44卷 47-75页

作者： Ji Eon Kim So-Young Park Chulhwan Kwak Yoonji Lee Dae-Geun song Jae Woo Jung Haesong Lee Eun-Ae Shin Yangie Pinanga kyung-hee Pyo Eun Hae Lee Wonsik Kim Soyeon Kim Chang-Duck Jun Jeanho Yun Sun Choi Hyun-Woo Rhee Kwang-Hyeon Liu Jung Weon Lee Department of Pharmacy College of PharmacySeoul National UniversitySeoulRepublic of Korea Research Institute of Pharmaceutical Sciences College of PharmacySeoul National UniversitySeoulRepublic of Korea BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit College of Pharmacy and Research Institute of Pharmaceutical SciencesKyungpook National UniversityDaeguRepublic of Korea Department of Chemistry Seoul National UniversitySeoulRepublic of Korea College of Pharmacy Chung-Ang UniversitySeoulRepublic of Korea Natural Product Informatics Research Center Korea Institute of Science and Technology(KIST)Gangneung-siGangwon-doRepublic of Korea School of Life Sciences Gwangju Institute of Science and Technology(GIST)GwangjuRepublic of Korea Department of Biochemistry College of MedicineDong-A UniversityBusanRepublic of Korea Global AI Drug Discovery Center College of Pharmacy and Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoulRepublic of Korea Interdisciplinary Program in Genetic Engineering Seoul National UniversitySeoulRepublic of Korea

Background:Transmembrane 4 L six family member 5(TM4SF5)translocates subcellularly and functions metabolically,although it is unclear how intracellu-lar TM4SF5 translocation is linked to metabolic *** is thus of interests to understand how the traffic dynamics of TM4SF5 to subcellular endosomal membranes are correlated to regulatory roles of ***:Here,we explored the metabolic significance of TM4SF5 localization at mitochondria-lysosome contact sites(MLCSs),using in vitro cells and in vivo animal systems,via approaches by immunofluorescence,proximity labelling based proteomics analysis,organelle reconstitution ***:Upon extracellular glucose repletion following depletion,TM4SF5 became enriched at MLCSs via an interaction between mitochondrial FK506-binding protein 8(FKBP8)and lysosomal *** labeling showed molecular clustering of phospho-dynamic-related protein I(DRP1)and certain mitophagy receptors at TM4SF5-enriched MLCSs,leading to mitochondrial fis-sion and ***4SF5 bound NPC intracellular cholesterol transporter 1(NPC1)and free cholesterol,and mediated export of lysosomal cholesterol to mitochondria,leading to impaired oxidative phosphorylation but intact tri-carboxylic acid(TCA)cycle andβ-*** mouse models,hepatocyte Tm4sf5 promoted mitophagy and cholesterol transport to mitochondria,both with positive relations to liver ***:Our findings suggested that TM4SF5-enriched MLCSs regu-late glucose catabolism by facilitating cholesterol export for mitochondrial reprogramming,presumably while hepatocellular carcinogenesis,recapitulating aspects for hepatocellular carcinoma metabolism with mitochondrial repro-gramming to support biomolecule synthesis in addition to glycolytic energetics.

关键词： cholesterol fluorescent imaging glucose catabolism hepatocellular carcinogenesis mem-brane contact sites mitochondria function mitophagy oxidative phosphorylation protein-protein interaction tetraspanin

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Pattern of instent neointimal formation compared to native atherosclerosis in the coronary bifurcation lesions： volumetric intravascular ultrasound analysis

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Chinese Medical Journal 2013年第18期126卷 3505-3510页

作者： XU Jian-qiang Young Bin song Joo-Yong Hahn Seung-Hyuk Choi Jin-Ho Choi LU Cheng-zhi Sang Hoon Lee kyung Pyo Hong Jeung Euy Park Hyeon-Cheol Gwon Division of Cardiology Department of Medicine Samsung MedicalCenter Sungkyunkwan University School of Medicine Seoul Korea Cardiovascular CenterTianjin First Central Hospital Tianjin 300192 China

Background No clinical study has systematically analyzed and compared circumferential neointimal and plaque distribution of stent neointimal proliferation and in native atherosclerotic plaques. This study aimed to investigate and compare the pattern of instent neointimal formation and native atherosclerosis in the coronary bifurcation lesions by volumetric analysis using systematic intravascular ultrasound （IVUS）. Methods We examined bifurcation lesions in native coronary artery （plaque group, n=102） and stented bifurcations at 9-month follow-up （neointima group, n=51） using volumetric IVUS analysis of both the main vessel （MV） and side branch （SB）. Three 5-mm segments were analyzed; the proximal MV （MVp）, distal MV （MVd） and SB ostium （SBo）. For each segment, volumetric analysis was performed in each of four quadrants （divided according to the branch takeoff and the geometric center of the lumen）; carinal, epicardial, abcarinal, and myocardial. The eccentricity index was defined as the ratio of the abcarinal plaque （or neointimal） volume to the carinal plaque （or neointimal） volume. Results The plaque distribution differed significantly between the four quadrants, with the largest in the abcarinal quadrant, followed by the myocardial, epicardial, and carinal quadrants. The distribution of neointima was similar in the MV, but the four quadrants in the SB did not differ significantly. The eccentricity indices of both the MVd （P 〈0.001） and SBo （P=-0.001） were significantly higher for the plaque group than the neointima group. Conclusions The distribution of neointimal proliferation seems to have a similar pattern to that of atherosclerotic plaque in native coronary arteries. Darticularlv in the main vessel, but the trend is less prominent.

关键词： atherosclerosis bifurcations plaque distribution neointimal distribution intravascular ultrasound

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Vertical Specialization and Trade Growth in Northeast Asia

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China & World Economy 2011年第2期19卷 109-126页

作者： Yun Seop Hwang Jun song Soo Eun Kim Associate Professor Department of International Business and Trade Kyung Hee University Seoul Korea. Email: rusiahys@khu.ac.kr China Citic Bank Cheng Du Yinhe Dynasty Sub-Branch Works Ministry Chengdu China. Email: ck_sjun@*** Doctoral candidate Graduate School of International Business and Trade Kyung Hee University Seoul Korea. Email: sookim@khu.ac.kr. *Correspondence: Doctoral candidate Graduate School of International Business and Trade Kyung Hee University Seoul Korea. Email: sookim@khu.ac.kr.

As the global economy has become further integrated, the international production chain has become more sophisticated, with diversified stages of production located in different countries. Economic theorists have argued that the fragmentation of the global production chain is partly attributable to the high growth in international trade over the past several decades. In this study, we examine vertical specialization in China, Japan and Korea, and its contribution to these nations＇ trade. Using a multilevel model, it is illustrated that vertical specialization has encouraged increases in trade among all three countries. In particular, China ＇s outcome is remarkable considering how recently it became a member of the WTO.

关键词： fragmentation of global production multilevel model trade growth vertical specialization

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Strengthening mechanisms analysis and tailoring of bimodal grain structures for enhanced strength in CoCrFeMnNi high-entropy alloys

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Rare Metals 2024年第8期43卷 3893-3903页

作者： Jaesoung Lee Seulgi Kim Taehyun Kwon Young II Kim Suyeon Kim Sung Ho song Bin Lee Dongju Lee Department of Urban Energyand Environmental EngineeringChungbuk National UniversityCheongju 28644Republic of Korea Division of Advanced Materials Engineering Kongju National UniversityChungnam 330-717Republic of Korea Department of Advanced Materials Engineering for Information and Electronics Integrated-Education Institute for Frontier Science and Technology(BK21 Four)Kyung Hee UniversityYongin17104Republic of Korea

The CoCrFeMnNi high-entropy alloys(HEAs)with a(face-centered cubic) FCC structure has garnered considerable attention for its exceptional ductility and strain hardening ***,its yield strength is insufficient for structural *** this study,strengthening mechanisms in these HEAs were investigated to gain insight into the mechanical properties according to alloy powder ***,we present a novel approach to achieve both high strength and high ductility through the creation of a bimodal structure consisting of both coarse and fine grains via gas atomization and spark plasma sintering processes.A bimodally structured HEA prepared with a mass ratio of 2:8 between coarse particles(75-106 μm) and fine particles(≤25 μm)yielded optimal results,with a strength of 491.95 MPa and elongation of 19.64%.This strength value represents an~41% increase compared with the sample that displayed a fine single microstructure(347.08 MPa for yield strength).The strength enhancement was attributed to the prevention of plastic deformation initiation from the fine particles during *** innovative approach to the creation of HEAs with bimodal structures shows promise for various applications,such as structural components that require a combination of high strength and high ductility.

关键词： High-entropy alloys CrCoFeMoNi Bimodal Gas atomization Mechanical properties

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Enhancement of photoresponsive electrical characteristics of multilayer MoS2 transistors using rubrene patches

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Nano Research 2015年第3期8卷 790-800页

作者： Eun Hei Cho Won Geun song Cheol Joon Park Jeongyong Kim Sunkook Kim Jinsoo Joo Department of Physics Korea University Seou1136-713 R. O. Korea Department of Electronics and Radio Engineering Institute for Laser Engineering Kyung Hee University Yongin Gyeonggi-do 446-70 I R. O. Korea Center for Integrated Nanostructure Physics (CINAP) Institute for Basic Science (IBS) Department of Energy Science Sungkyunkwan University Suwon 440-746 R. O. Korea

Multilayer MoS2 is a promising active material for sensing, energy harvesting, and optoelectronic devices owing to its intriguing tunable electronic band structure. However, its optoelectronic applications have been limited due to its indirect band gap nature. In this study, we fabricated a new type of phototransistor using multilayer MoS2 crystal hybridized with p-type organic semiconducting rubrene patches. Owing to the outstanding photophysical properties of rubrene, the device characteristics such as charge mobility and photoresponsivity were considerably enhanced to an extent depending on the thickness of the rubrene patches. The enhanced photoresponsive conductance was analyzed in terms of the charge results of the nanoscale laser confocal time-resolved PL measurements. transfer doping effect, validated by the microscope photoluminescence （PL） and

关键词： MoS2 rubrene transistor photoresponsivity charge transfer

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Development of controlled release bi-layered tablets containing oxycodone hydrochloride

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Asian Journal of Pharmaceutical Sciences 2016年第1期11卷 178-178页

作者： kyung Hun Kim kyung Soo Lee Il Woo Jung Jin Seob Oh Seo Hyun Lim Sung Hoon Lee Woo Heon song Jun Sang Park GLPharmTech Corporation #714JungangInduspia V137Sagimakgol-roJungwon-guSeongnamGyeonggidoRepublic of Korea Department of Pharmaceutical Engineering Cheongju University298Daeseong-roCheongwon-guCheongjuChungcheongbuk-doRepublic of Korea

Oxycodone hydrochloride is a semi-synthetic opioid agonist that provides very effective relief for moderate to severe pain in cancer and post-operative patients. Controlled release oxycodone formulations have been studied to enhance the therapeutic effect by providing constant release over the whole dosing interval and improve patient’s convenience by reducing the frequency of administration as well.

关键词： Oxycodone Control release Bi-layered tablet IVIVC

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Mitophagy links oxidative stress conditions and neurodegenerative diseases

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Neural Regeneration Research 2019年第5期14卷 749-756页

作者： Ulfuara Shefa Na Young Jeong In Ok song Hyung-Joo Chung Dokyoung Kim Junyang Jung Youngbuhm Huh Department of Biomedical Science Graduate School Kyung Hee University Department of Anatomy and Cell Biology College of Medicine Dong-A University Department of Reproductive Endocrinology and Infertility Department of Obstetrics and Gynecology Cheil General Hospital Dankook University College of Medicine Department of Anesthesiology and Pain Medicine College of Medicine Kosin University Department of Anatomy and Neurobiology College of Medicine Kyung Hee University

Mitophagy is activated by a number of stimuli, including hypoxia, energy stress, and increased oxidative phosphorylation activity. Mitophagy is associated with oxidative stress conditions and central neurodegenerative diseases. Proper regulation of mitophagy is crucial for maintaining homeostasis; conversely, inadequate removal of mitochondria through mitophagy leads to the generation of oxidative species, including reactive oxygen species and reactive nitrogen species, resulting in various neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis. These diseases are most prevalent in older adults whose bodies fail to maintain proper mitophagic functions to combat oxidative species. As mitophagy is essential for normal body function, by targeting mitophagic pathways we can improve these disease conditions. The search for effective remedies to treat these disease conditions is an ongoing process, which is why more studies are needed. Additionally, more relevant studies could help establish therapeutic conditions, which are currently in high demand. In this review, we discuss how mitophagy plays a significant role in homeostasis and how its dysregulation causes neurodegeneration. We also discuss how combating oxidative species and targeting mitophagy can help treat these neurodegenerative diseases.

关键词： nerve regeneration mitophagy central nervous system Alzheimer’s disease Parkinson’s disease Huntington’s disease amyotrophic lateral sclerosis oxidative species reactive oxygen species reactive nitrogen species

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A survey on the real-world clinical utilization of a traditional acupuncture in Republic of Korea:Sa-am acupuncture

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Journal of Integrative Medicine 2024年第5期22卷 570-578页

作者： Ji-Yeun Park Ye-Seul Lee Hi-Joon Park Seungmin Kathy Lee Ji-Won Lee song-Yi Kim College of Korean Medicine Daejeon UniversityDaejeon 34520Republic of Korea Jaseng Spine and Joint Research Institute Jaseng Medical FoundationSeoul 06110Republic of Korea Acupuncture and Meridian Science Research Center Kyung Hee UniversitySeoul 02447Republic of Korea Department of Korean Medicine Korean Medical CenterLusail 201184Qatar Virginia University of Integrative Medicine ViennaVA 22182USA Department of Anatomy and Acupoint College of Korean MedicineGachon UniversitySeongnamGyeonggi 13120Republic of Korea Department of Ophthalmology Otolaryngologyand DermatologyCollege of Korean MedicineDongguk UniversityGoyangGyeonggi 10326Republic of Korea

Objective This study investigated the clinical details and usage of Sa-am acupuncture in Korean medicine clinics and explored how practicing Korean medicine doctors(KMDs)think about Sa-am *** We conducted a questionnaire-based survey of KMDs who utilize Sa-am acupuncture in their *** study comprehensively investigated issues related to clinical application of Sa-am acupuncture,needling techniques used during treatment,training methods,and directions for its future *** We analyzed 572 *** average of 50%of the patients visiting Korean medicine clinics were receiving Sa-am *** most prevalent indication for Sa-am acupuncture use was digestive *** patients’appetite level and digestive function were most frequently used indicators for selecting acupuncture *** prescription compositions,Jung-Gyuk formulas were more frequently used than Seung-Gyuk *** the needle along the flow of the channel or against the flow of the channel was most *** acupuncture style most frequently used in combination with Sa-am acupuncture was Ashi point *** of Sa-am acupuncture included its versatility,easy application,and good *** included the lack of rigorous education and training programs,difficulty in applying the principles for beginners,and insufficient clinical research *** In clinics where Sa-am acupuncture is available,KMDs were providing Sa-am acupuncture to about half of their *** were not using all of the tonification and sedation techniques which may be due to time constraints or simply a lack of ***-am acupuncture demonstrated high utility in clinical practice and high satisfaction based on the efficacy and *** training programs and high-quality research are needed to help expand the use of Sa-am acupuncture.

关键词： Sa-am acupuncture Traditional East Asian medicine Acupuncture education Acupoint selection

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Significant risk and associated factors of active tuberculosis infection in Korean patients with inflammatory bowel disease using anti-TNF agents

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World Journal of Gastroenterology 2015年第11期21卷 3308-3316页

作者： Eun Soo Kim Geun Am song Kwang Bum Cho kyung Sik Park Kyeong Ok Kim Byung Ik Jang Eun Young Kim Seong Woo Jeon Hyun Seok Lee Chang Heon Yang Yong Kook Lee Dong Wook Lee Sung Kook Kim Tae Oh Kim Jonghun Lee Hyung Wook Kim Sam Ryong Jee Seun Ja Park Hyun Jin Kim Division of Gastroenterology Department of Internal MedicineKeimyung University School of Medicine Division of Gastroenterology Department of Internal MedicinePusan National University School of Medicine Division of Gastroenterology Department of Internal MedicineYeungnam University College of Medicine Division of Gastroenterology Department of Internal MedicineCatholic University of Daegu School of Medicine Division of Gastroenterology Department of Internal MedicineKyungpook National University School of Medicine Division of Gastroenterology Department of Internal MedicineDongguk University School of Medicine Division of Gastroenterology Department of Internal MedicineInje University College of Medicine Division of Gastroenterology Department of Internal MedicineDong-A University Medical Center Division of Gastroenterology Department of Internal MedicineKosin University College of Medicine Division of Gastroenterology Department of Internal MedicineGyeongsang National University School of Medicine

AIM:To evaluate the incidence and risk factors of Korean tuberculosis(TB) infection in patients with inflammatory bowel disease(IBD) undergoing anti-TNF ***:The data of IBD patients treated with anti-TNFs in 13 tertiary referral hospitals located in the southeastern region of Korea were collected *** failed to show response or were intolerant to conventional treatments,including steroids or *** measures for latent TB infection(LTBI)and the incidence and risk factors ofactive TB infection after treatment with anti-TNFs were ***:Overall,376 IBD patients treated with antiTNF agents were recruited(male 255,mean age of anti-TNF therapy 32.5±13.0 years);277 had Crohn’s disease,99 had ulcerative colitis,294 used infliximab,and 82 used *** anti-TNF treatment,screening tests for LTBI including an interferon gamma release assay or a tuberculin skin test were performed in 82.2%of *** patients(8%)had *** cases of active TB infection including one TB-related mortality occurred during 801 personyears(PY)follow-up(1997.4 cases per 100000 PY)after anti-TNF ***(OR=5.76,95%CI:1.57-21.20,P=0.008)and WBC count<5000 mm3(OR=4.5,95%CI:1.51-13.44,P=0.007)during follow-up were identified as independently associated risk ***:Anti-TNFs significantly increase the risk of TB infection in Korean patients with *** considerable burden of TB and marked immunosuppression might be attributed to this risk.

关键词： Tuberculosis Anti-TNF Korea Inflammatory bowel dis

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不同菌株对发酵大豆后熟期间品质特性的影响

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食品工业科技 2018年第24期39卷 139-144,150页

作者：李响张绵松尹培培刘雪鞠晓庆 Lee Si-kyung 齐鲁工业大学(山东省科学院) 山东省科学院生物研究所山东济南250103 好当家集团食品检测中心山东荣成264305 建国大学(韩国) 分子生命工学学科韩国首尔143701

为研究利用细菌和霉菌进行混合发酵的不同效果,开发新的混菌发酵工艺,本研究采用不同接种方式,得到3个单一菌株发酵样品,4个混合菌株发酵的样品,研究不同菌株对发酵大豆品质特性的影响。按照韩国清麴酱的方法,利用Bacillus subtilis菌... 详细信息

为研究利用细菌和霉菌进行混合发酵的不同效果,开发新的混菌发酵工艺,本研究采用不同接种方式,得到3个单一菌株发酵样品,4个混合菌株发酵的样品,研究不同菌株对发酵大豆品质特性的影响。按照韩国清麴酱的方法,利用Bacillus subtilis菌株发酵制得样品B,按照豆豉的发酵方法利用Aspergillus oryzae和Mucor racemosus菌株制得样品A和M。混合菌株发酵样品中依据两种菌株接种的顺序不同,分别制得AB、BA、MB和BM。结果表明,后熟0～9 d期间,样品B的蛋白酶活性最高(257.32±3.04) U/g;样品M的还原糖在后熟第1 d达到1.17%,高于其他样品。样品A和MB氨基态氮含量较高,样品B中测得铵态氮含量最高。所有样品的pH呈下降趋势,而滴定酸度变化范围则相反,从0.02%上升到0.19%。在后熟9 d期间,各样品色度中的L*值呈持续下降趋势,样品MB褐变现象明显。在7个实验组中,样品MB通过混菌发酵工艺提高了发酵大豆的品质特性,验证了利用细菌和霉菌进行混菌发酵技术能够改善发酵大豆的品质特性。

关键词：大豆混菌发酵氨基态氮铵态氮还原糖后熟时间

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