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Highly Elastic,Bioresorbable Polymeric Materials for Stretchable,Transient Electronic Systems

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Nano-Micro Letters 2024年第6期16卷 1-13页

作者： Jeong‑Woong Shin Dong‑Je kim Tae‑Min Jang Won Bae Han joong Hoon Lee Gwan‑Jin Ko Seung Min Yang Kaveti Rajaram Sungkeun Han Heeseok Kang Jun Hyeon Lim Chan‑Hwi Eom Amay J.Bandodkar Hanul Min Suk‑Won Hwang KU‑KIST Graduate School of Converging Science and Technology Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea SK Hynix 2091Gyeongchung‑daeroBubal‑eupIcheon‑siGyeonggi‑do 17336Republic of Korea Hanwha Systems Co. Ltd.188Pangyoyeok‑roBundang‑guSeongnam‑siGyeonggi‑do 13524Republic of Korea Department of Electrical and Computer Engineering North Carolina State UniversityRaleighNC 27606USA Center for Advanced Self‑Powered Systems of Integrated Sensors and Technologies(ASSIST) North Carolina State UniversityRaleighNC 27606USA Department of Integrative Energy Engineering Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea Biomaterials Research Center Korea Institute of Science and Technology(KIST)5 Hwarang‑ro 14‑gilSeongbuk‑guSeoul 02792Republic of Korea Semiconductor R&D Center Samsung Electronics Co.Ltd.Hwaseong‑siGyeonggi‑do 18448Republic of Korea Center for Advanced Biomolecular Recognition Biomedical Research DivisionKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea

Substrates or encapsulants in soft and stretchable formats are key components for transient,bioresorbable electronic systems;however,elastomeric polymers with desired mechanical and biochemical properties are very limited compared to nontransient ***,we introduce a bioresorbable elastomer,poly(glycolide-co-ε-caprolactone)(PGCL),that contains excellent material properties including high elongation-at-break(<1300%),resilience and toughness,and tunable dissolution *** of PGCLs as polymer matrices,in combination with conducing polymers,yields stretchable,conductive composites for degradable interconnects,sensors,and actuators,which can reliably function under external *** of device components with wireless modules demonstrates elastic,transient electronic suture system with on-demand drug delivery for rapid recovery of postsurgical wounds in soft,time-dynamic tissues.

关键词： Biodegradable elastomer Conductive polymer composites Biomedical device Transient electronics

Positive regulation of cell proliferation by the miR-1290-EHHADH axis in hepatocellular carcinoma

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Cancer Communications 2024年第6期44卷 705-709页

作者： Jinkwon Lee Gyeonghwa kim Tae-Su Han Eunsun Jung Taesang Son Kwangho kim Kiyoon Kwon Yuna Roh Tae Young Ryu In Hwan Tae Yunsang Kang Byungheon Lee Yu Rim Lee Soo Young Park Won Young Tak dae-Soo kim Mi-Young Son Keun Hur Hyun-Soo Cho Stem Cell Convergence Research Center Korea Research Institute of Bioscience and BiotechnologyDaejeonRepublic of Korea Department of Bioscience Korea University of Science and TechnologyDaejeonRepublic of Korea Department of Biochemistry and Cell Biology School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Biological Science Sungkyunkwan UniversitySuwonRepublic of Korea Department of Internal Medicine School of MedicineKyungpook National University HospitalDaeguRepublic of Korea Department of Biomedical Convergence Science and Technology School of ConvergenceKyungpook National UniversityDaeguRepublic of Korea

Hepatocellular carcinoma(HCC)is the second most common cancer and the third leading cause of cancer-related death worldwide[1].Recently,HCC incidence and mortality rates have further increased due to changes in the global social environment and dietary habits[2].HCC is treated by surgical resection or combination chemotherapy,but the overall survival rate of HCC patients has not improved,and the recurrence rate is still high due to strong invasiveness and resistance to chemotherapy[3].

关键词： chemotherapy mortality cancer

Inhibiting scar formation via wearable multilayer stacked electret patch:Self-creation of persistent and customizable DC electric field for fibrogenic activity restriction

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InfoMat 2024年第3期6卷 66-80页

作者： Sung-Won kim Sumin Cho Donghan Lee Jiyu Hyun Sunmin Jang Inwoo Seo Hyun Su Park Hee Jae Hwang Hyung-Seop Han dae Hyeok Yang Heung Jae Chun Suk Ho Bhang Dongwhi Choi School of Chemical Engineering Sungkyunkwan UniversitySuwonRepublic of Korea Department of Mechanical Engineering(Integrated Engineering Program) Kyung Hee UniversityYonginGyeonggiRepublic of Korea Biomaterials Research Center Biomedical Research DivisionKorea Institute of Science and Technology(KIST)SeoulRepublic of Korea Department of Medical Life Sciences College of MedicineInstitute of Cell and Tissue EngineeringThe Catholic University of KoreaSeoulRepublic of Korea

Electrical stimulation has recently received attention as noninvasive treatment in skin wound healing with its outstanding biological property for clinical set***,the complexity of equipment for applying appropriate electrical stimulation remains an ongoing ***,we proposed a strategy for skin scar inhibition by providing electrical stimulation via a multilayer stacked electret(MS-electret),which can generate direct current(DC)electric field(EF)without any power supply *** addition,the MS-electret can easily control the intensity of EFs by simply stacking electret layers and maintain stable EF with the surface potential of 3400 V over 5 days owing to the injected charges on the electret *** confirmed inhibition of type 1 collagen andα-SMA expression of human dermal fibroblasts(hDFs)by 90%and 44%in vitro,indicating that the transition of hDFs to myofibroblasts was restricted by applying stable electrical *** further revealed a 20%significant decrease in the ratio of myofibroblasts caused by the MS-electret in *** findings present that the MS-electret is an outstanding candidate for effective skin scar inhibition with a battery-free,physiological electrical microenvironment,and noninvasive treatment that allows it to prevent external infection.

关键词： DC electric field dermal fibroblasts electret scar formation restriction self-creation of electrical stimulation

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

Galectin 3-binding protein(LGALS3BP)depletion attenuates hepatic fibrosis by reducing transforming growth factor-β1(TGF-β1)availability and inhibits hepatocarcinogenesis

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Cancer Communications 2024年第10期44卷 1106-1129页

作者： dae-Hwan kim Minjeong Sung Myong-Suk Park Eun-Gene Sun Sumin Yoon Kyung Hyun Yoo Kamalakannan Radhakrishnan Sung Yun Jung Woo-Kyun Bae Sang-Hee Cho Ik-Joo Chung Department of Internal Medicine Division of Hematology and OncologyChonnam National University Medical SchoolHwasunSouth Korea Department of Internal Medicine Division of Hematology and OncologyChonnam National University Hwasun HospitalHwasunSouth Korea Combinatorial Tumor Immunotherapy MRC Center Chonnam National University Medical SchoolHwasunSouth Korea National Immunotherapy Innovation Center HwasunSouth Korea BioMedical Sciences Graduate Program Chonnam National UniversityHwasunSouth Korea Department of Biological Science SookmyungWomen’s UniversitySeoulSouth Korea Clinical Vaccine R&D Center Chonnam National UniversityHwasunSouth Korea Department of Biochemistry and Molecular Pharmacology Baylor College of MedicineHoustonTexasUSA

Background:Increased Galectin 3-binding protein(LGALS3BP)serum levels have been used to assess hepatic fibrosis stages and the severity of hepatocellular carcinoma(HCC).Considering the crucial role of transforming growth factor-β1(TGF-β1)in the emergence of these diseases,the present study tested the hypothesis that LGALS3BP regulates the TGF-β1 signaling ***:The expression levels of LGALS3BP and TGFB1 were analyzed in patients with metabolic dysfunction-associated steatohepatitis(MASH)and *** omics techniques,such as RNA-sequencing,transposaseaccessible chromatin-sequencing assay,and liquid chromatography-tandem mass spectrometry proteomics,were used to identify the regulatory mechanisms for the LGALS3BP-TGF-β1 *** effects of altered TGF-β1 signaling by LGALS3BP were investigated in conditional LGALS3BP-knockin and LGALS3BP-knockout ***:In patients with MASH and HCC,the levels of LGALS3BP and TGFB1 exhibited positive *** of LGALS3BP by the inflammatory cytokine interferonαin HCC cells or ectopic overexpression of LGALS3BP in hepatocytes promoted the expression levels of *** fibrosis was observed in the livers of hepatocyte-specific LGALS3BP-knockin mice,with increased TGFB1 ***3BP directly bound to and assembled integrinαV,an integral mediator required for releasing active TGF-β1 from extracellular latent complex with the rearranged F-actin *** released TGF-β1 activated JunB transcription factor,which in turn promoted the TGF-β1 positive feedback ***3BP deletion in the hepatocytes downregulated TGF-β1 signaling and CCl4 induced ***,LGALS3BP depletion hindered hepatocarcinogenesis by limiting the availability of fibrogenic TGF-β***:LGALS3BP plays a crucial role in hepatic fibrosis and carcinogenesis by controlling the TGF-β1 signaling pathway,making it a promising therapeutic target in TGF-β1-related diseases.

关键词： F-actin FAK hepatic carcinogenesis IntegrinαV Interferonα JunB LGALS3BP metabolic dysfuntion-associated steatohepatitis tensile force TGF-β1

Acupuncture ameliorates atopic dermatitis by modulating gut barrier function in a gut microbiota-dependent manner in mice

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Journal of Integrative Medicine 2024年第5期22卷 600-613页

作者： Mijung Yeom Sora Ahn dae-Hyun Hahm Sun-Young Jang Se Hoon Jang Su-Yang Park Jae-Hwan Jang Jihan Park Ju-Young Oh In-Seon Lee Kyuseok kim Soon-Kyeong Kwon Hi-Joon Park Acupuncture and Meridian Science Research Center College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Department of Physiology School of MedicineKyung Hee UniversitySeoul 02447Republic of Korea BioNanocomposite Research Center Kyung Hee UniversitySeoul 02447Republic of Korea Department of Science in Korean Medicine College of Korean MedicineGraduate SchoolKyung Hee UniversitySeoul 02447Republic of Korea College of Korean Medicine Kyung Hee UniversitySeoul 02447Republic of Korea Department of Ophthalmology Otorhinolaryngology and Dermatology of Korean MedicineCollege of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Division of Applied Life Science(BK21) Gyeongsang National UniversityJinju 52828Republic of Korea Department of Anatomy&Information Sciences College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea

Objective Atopic dermatitis(AD)is a chronic inflammatory skin disease that may be linked to changes in the gut *** has been proven to be effective in reducing AD symptoms without serious adverse events,but its underlying mechanism is not completely *** purpose of this study was to investigate whether the potential effect of acupuncture on AD is gut *** AD-like skin lesions were induced by applying MC903 topically to the cheek of the *** was done at the Gok-Ji(LI11)***-like symptoms were assessed by lesion scores,scratching behavior,and histopathological changes;intestinal barrier function was measured by fecal output,serum lipopolysaccharide levels,histopathological changes,and mRNA expression of markers involved in intestinal permeability and *** microbiota was profiled using 16S rRNA gene sequencing from fecal *** Acupuncture effectively improved chronic itch as well as the AD-like skin lesions with epidermal thickening,and also significantly altered gut microbiota structure as revealed byβ-diversity indices and analysis of *** beneficial effects were eliminated by antibiotic depletion of gut microbiota,but were reproduced in gut microbiota-depleted mice that received a fecal microbiota transplant from acupuncture-treated ***,AD mice had intestinal barrier dysfunction as indicated by increased intestinal permeability,atrophy of the mucosal structure(reduced villus height and crypt depth),decreased expression of tight junctions and mucus synthesis genes,and increased expression of inflammatory mediators in the *** attenuated these abnormalities,which was gut *** Acupuncture ameliorates AD-like phenotypes in a gut microbiota-dependent manner and some of these positive benefits are explained by modulation of the intestinal barrier,providing new perspective for non-pharmacological strategies for

关键词： Atopic dermatitis Acupuncture Gut microbiota Intestinal barrier function

Solar‑Driven Sustainability:Ⅲ–ⅤSemiconductor for Green Energy Production Technologies

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Nano-Micro Letters 2024年第11期16卷 445-478页

作者： Chandran Bagavath Jeong‑Kyun Oh Sang‑Wook Lee dae‑Young Um Sung‑Un kim Veeramuthu Vignesh Jin‑Seo Park Shuo Han Cheul‑Ro Lee Yong‑Ho Ra Division of Advanced Materials Engineering Engineering CollegeResearch Center for Advanced Materials Development(RCAMD)Jeonbuk National UniversityJeonju 54896Republic of Korea

Long-term societal prosperity depends on addressing the world’s energy and environmental problems,and photocatalysis has emerged as a viable *** the efficiency of photocatalytic processes is fundamentally achieved by optimizing the effective utilization of solar energy and enhancing the efficient separation of photogenerated *** has been demonstrated that the fabrication ofⅢ–Ⅴsemiconductor-based photocatalysts is effective in increasing solar light absorption,long-term stability,large-scale production and promoting charge *** focused review explores on the current developments inⅢ–Ⅴsemiconductor materials for solar-powered photocatalytic *** review explores on various subjects,including the advancement ofⅢ–Ⅴsemiconductors,photocatalytic mechanisms,and their uses in H2 conversion,CO_(2)reduction,environmental remediation,and photocatalytic oxidation and reduction *** order to design heterostructures,the review delves into basic concepts including solar light absorption and effective charge *** also highlights significant advancements in green energy systems for water splitting,emphasizing the significance of establishing eco-friendly systems for CO_(2)reduction and hydrogen *** main purpose is to produce hydrogen through sustainable and ecologically friendly energy *** review intends to foster the development of greener and more sustainable energy source by encouraging researchers and developers to focus on practical applications and advancements in solar-powered photocatalysis.

关键词： Green energy system Hydrogen evolution CO_(2)reduction Ⅲ-Ⅴsemiconductors Photo electrochemical water splitting

黄土高原4种高糖黑麦草在不同刈割方式下的营养价值评价

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草地学报 2024年

作者：邹敏成慧宁娇李腾飞谢凯丽 Eun joong kim Nigel Scollan 常生华侯扶江草种创新与草地农业生态系统全国重点实验室兰州大学农业农村部草牧业创新重点实验室兰州大学草地农业科技学院 Department of Animal Science， Kyungpook National University Institute of Biological， Environmental and Rural Sciences， Aberystwyth University

为探究刈割方式对高糖黑麦草营养价值的影响，在黄土高原种植了‘AberStar’‘AberMagic’‘AberAvon’和‘Premium’4种高糖黑麦草（High sugar ryegrass，HSR），并进行了动态取样，研究多次刈割和一次刈割两种刈割方式对其产量、营... 详细信息

为探究刈割方式对高糖黑麦草营养价值的影响，在黄土高原种植了‘AberStar’‘AberMagic’‘AberAvon’和‘Premium’4种高糖黑麦草（High sugar ryegrass，HSR），并进行了动态取样，研究多次刈割和一次刈割两种刈割方式对其产量、营养品质动态和稳定性的影响，并完成了综合评价。结果表明，在牧草的生长过程中，4个品种多次刈割的产量均高于一次刈割，但产量稳定性低于一次刈割5.38%～23.91%。多次刈割的粗蛋白含量稳定性显著高于一次刈割（P<0.05），可溶性碳水化合物稳定性最低为31.77%～45.20%。4个品种的再生速度和再生强度呈先升后降趋势，多次刈割的再生速度和再生强度分别高于一次刈割18.12%～105.21%和18.41%～92.63%，并在108 d时达到最高。多次刈割的食物当量显著高于一次刈割（P<0.05）。在所有处理组合中，‘AberStar’品种进行多次刈割产量和品质表现最佳。本研究确定了高产优质的高糖黑麦草品种及其刈割方式，将为黄土高原地区高糖黑麦草的栽培管理措施提供科学依据。

关键词：高糖黑麦草黄土高原营养品质产草量

Posterior sub-Tenon triamcinolone acetonide injection for annular choroidal detachment resistant to systemic immunosuppressive treatment

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International Journal of Ophthalmology(English edition) 2023年第1期16卷 143-146页

作者： dae joong Ma Department of Ophthalmology Hallym University Kangnam Sacred Heart HospitalSeoul 07441Republic of Korea

Dear Editor,I report two cases of annular choroidal detachment,which was resistant to systemic immunosuppressive treatment and presented a diagnostic dilemma but responded to posterior sub-Tenon triamcinolone acetonid... 详细信息

关键词： injection acetonide choroidal