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Aggregate 2022年第5期3卷 185-193页

作者： hye Jin Cho Dong Yeun jeong Hwihyun Moon Taewoo Kim You Kyoung Chung Yeongdong Lee Zonghoon Lee Joonsuk Huh Youngmin You Changsik Song Department of Chemistry Sungkyunkwan UniversitySuwonGyeonggi 16419Republic of Korea Division of Chemical Engineering and Materials Science Graduate Program in System Health Science and EngineeringEwha Womans UniversitySeoul 03760Republic of Korea Center for Multidimensional Carbon Materials Institute for Basic Science(IBS)Department of Materials Science and EngineeringUlsan National Institute of Science and Technology(UNIST)Ulsan 44919Republic of Korea

Understanding the precise molecular arrangement of chiral supramolecular polymers is essential not only to comprehend complex superstructures like proteins and DNA but also for the development of next-generation optoelectronic materials,including materials displaying high-performance circularly polarized luminescence(CPL).Herein,we report the first chiral supramolecular polymer systems based on hydrazone–pyridinium conjugates comprising alkyl chains of different lengths,which afforded control of the apparent supramolecular *** supramolecular chirality is governed basically by the remote chiral centers of alkyl chains,helicity inversion was achieved by controlling the conditions under which the hydrazone building blocks underwent aggregation(i.e.,solvent compositions or temperature).More importantly,the addition of water to the system led to aggregationinduced hydrazone deprotonation,which resulted in a completely different selfassembly *** water molecules played an essential role,forming the assembly’s channel-like backbone,around which hydrazone molecules gathered as a result of hydrogen bonding *** co-assembly of an achiral hydrazone luminophore with the given supramolecular polymer system allowed the fabrication of a novel CPL-active hydrazone-based material exhibiting a high maximum value for the photoluminescence dissymmetry factor of -2.6×10^(-2).

关键词： circularly polarized luminescence(CPL) helicity control hydrazone self-assembly structural water supramolecular polymerization

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Successful treatment of intracardiac air embolism using intracardiac catheter aspiration

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Journal of Geriatric Cardiology 2017年第2期14卷 151-154页

作者： Ae-Young Her Yong Hoon Kim da hye Moon Ji Hyun Kim Jae Hoon jeong Sung-Hyun Park Jin Seon jeong Division of Cardiology Department of Internal Medicine Kangwon National University School of Medicine Chuncheon South Korea Department of Internal Medicine Kangwon National University Hospital Chuncheon South Korea

Intracardic air embolism is uncommon, however it is a serious condition which frequently leads to catastrophic complications during or after invasive procedures resulting in significant morbidity and mortality. For a successful resuscitation of patients with intracardiac air embolism, hyperbaric oxygen therapy is critical.~([1,2]) Still, due to a hyperbaric chamber's unavailability at many hospitals and concerns about patient movement resulting in further embolism during transport, such treatment method is gradually diminishing. We present a case of acute-onset right-sided heart failure from massive intracardiac air embolism that was successfully treated with an intracardiac catheter aspiration procedure instead of hyperbaric oxygen therapy.

关键词：栓塞空气治疗抽吸导管控制问题运输过程并发症

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Role of dietary gamma-aminobutyric acid in broiler chickens raised under high stocking density

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Animal Nutrition 2020年第3期6卷 293-304页

作者： Su-Been jeong Yoo Bhin Kim jeong-Woo Lee da-hye Kim Byung-Hern Moon Hong-Hee Chang Yang-Ho Choi Kyung-Woo Lee Department of Animal Science and Technology Konkuk UniversitySeoul05029Republic of korea CellTech Co. Ltd.Chungbuk27622Republic of Korea Department of Animal Science Gyeongsang National Universityjinju52828Republic of Korea

The present study was conducted to evaluate the effects of dietary gamma-aminobutyric acid(GABA)in broiler chickens raised in high stocking density(HSD)on performance and physiological responses.A total of 900 male broiler chicks(Ross 308)at 1 d old were assigned in a 2×2 factorial arrangement to 4 treatments(10 replicates per treatment)with stocking density,7.5 birds/m^2(low stocking density;LSD)or 15 birds/m^2(HSD),and dietary GABA,0 or 100 mg/*** raised in HSD exhibited a decrease in body weight gain in all phases(P<0.05)and feed intake in starter and whole phases(P<0.01),and an increase in feed conversion ratio in the finisher phase(P<0.01)compared with LSD-raised ***,dietary GABA did not affect growth performance nor interacted with stocking density on production *** HSD *** increased relative liver weight on d 35 whereas dietary GABA increased relative liver weight and decreased relative bursa weight on d *** stocking density and dietary GABA affected yield and quality of breast and leg *** GABA increased(P<0.05)width of tibia on d 35 and interacted(P=0.054)with stocking density on breaking stocking density on d *** HSD *** group lowered(P<0.05)feather coverage *** interaction between stocking density and GABA on surface temperature of shank on d 21 was noted(P=0.024).Dietary GABA exhibited an opposite effect on the concentrations of cecal short-chain fatty acids depending on stocking density leading to a moderate to significant *** density decreased alpha-1-acid glycoprotein whereas dietary GABA decreased heterophil-to-lymphocyte ratio and corticosterone in blood or serum *** biochemical parameters were altered by stocking density or dietary *** is concluded that dietary GABA alleviated stress indices including corticosterone and heterophilto-lymphocyte ratio,but failed to reverse stocking density-induced growth depression.

关键词： Gamma-aminobutyric acid Stocking density Growth performance Stress indicator Broiler chicken

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Two faces of Schwann cell dedifferentiation in peripheral neurodegenerative diseases:pro-demyelinating and axon-preservative functions

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Neural Regeneration Research 2014年第22期9卷 1952-1954页

作者： Jong Kuk Kim hye jeong Lee Hwan Tae Park Department of Neurology Mitochondria Hub Regulation Center(MHRC)College of MedicineDong-A UniversityBusanSouth Korea Department of Pharmacology Mitochondria Hub Regulation Center (MHRC)College of MedicineDong-A UniversityBusanSouth Korea Department of Physiology Mitochondria Hub Regulation Center (MHRC)College of MedicineDong-A UniversityBusanSouth Korea

Schwann cells are glial cells that are responsible for the synthesis and maintenance of the myelin sheath in the peripheral nerve system. Under pathological conditions, such as physical nerve injury and inflammatory neuropathies, Schwann cells undergo a substantial phenotype transformation that is not related to their intended function. For example, Schwann cells dedifferentiate into immature states and thereby cease to express myelin genes after nerve injury.

关键词： cell Two faces of Schwann cell dedifferentiation in peripheral neurodegenerative diseases

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A compact polymer–inorganic hybrid gas barrier nanolayer for flexible organic light-emitting diode displays

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npj Flexible Electronics 2022年第1期6卷 204-209页

作者： Seung Hun Kim Seung Yong Song Soo Youn Kim Moon Won Chang Hyo jeong Kwon Kwan Hyuck Yoon Woo Yong Sung Myung Mo Sung hye Yong Chu Display Research Center Samsung DisplayYongin-siGyeonggi-do 17113Republic of Korea Department of Chemistry Hanyang UniversitySeoul 04763Republic of Korea

Atomic layer infiltration technology allows the formation of a nanometer-thick polymer-inorganic hybrid barrier layer in polymer material for flexible organic light-emitting diode(OLED)*** this study,according to transmission electron microscopy and secondary-ion mass spectrometry analysis results under various process conditions,a compact polymer-inorganic hybrid nanolayer was successfully formed in a polymer and good barrier performance was revealed with a low water vapor transmission rate under optimal process ***,through gas chromatography-mass spectrometry measurements after ultra-violet radiation testing,polymer out-gassing decreased compared to bare *** on barrier properties,the polymer with a polymer-inorganic hybrid barrier nanolayer was applied to a flexible OLED display as a *** storage tests and folding tests,the flexible OLED display exhibits good reliability and better flexibility compared to those with an inorganic barrier *** results confirm that the polymer-inorganic hybrid nanolayer is suitable for barrier layer formation in flexible OLED displays.

关键词： diode barrier layer

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Gut microbiota as a potential key to modulating humoral immunogenicity of new platform COVID-19 vaccines

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Signal Transduction and Targeted Therapy 2023年第6期8卷 2447-2450页

作者： hye Seong Bo Kyu Choi Young-Hee Han Jun Hyoung Kim jeong-An Gim Sooyeon Lim Ji Yun Noh Hee Jin Cheong Woo Joo Kim Joon Young Song Department of Internal Medicine Korea University College of MedicineSeoulRepublic of Korea Asia Pacific Influenza Institute Korea University College of MedicineSeoulRepublic of Korea Vaccine Innovation Center Korea University College of MedicineSeoulRepublic of Korea Department of Biomedical Systems Informatics Yonsei University College of MedicineSeoulRepublic of Korea Department of Food and Nutrition Chungbuk National UniversityCheongjuRepublic of Korea Department of Internal Medicine Chungbuk National University HospitalCheongjuRepublic of Korea Medical Science Research Center Korea University College of MedicineSeoulRepublic of Korea

Dear Editor,Coronavirus disease 2019(COVID-19)is a novel respiratory infectious disease,caused by severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),which led to a global *** vaccination is the best measure to overcome a pandemic,the immunogenicity of vaccines can be influenced by diverse factors,including intrinsic(age,sex,genetics,and comorbidities),extrinsic(diet,nutrition,and behavior),and vaccine-associated characteristics.

关键词： vaccines respiratory acute

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Enhanced delivery of a low dose of aducanumab via FUS in 5×FAD mice,an AD model

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Translational Neurodegeneration 2022年第1期11卷 31-45页

作者： Chanho Kong Eun-jeong Yang Jaewoo Shin Junwon Park Si-Hyun Kim Seong-Wook Park Won Seok Chang Chang-Han Lee Hyunju Kim hye-Sun Kim Jin Woo Chang Department of Neurosurgery Yonsei University College of Medicine50 Yonsei-RoSeodaemun-GuSeoulRepublic of Korea Department of Pharmacology College of MedicineSeoul National University103 DaehakroJongro-GuSeoulRepublic of Korea Neuroscience Research Center College of MedicineSeoul National University103 DaehakroJongro-GuSeoulRepublic of Korea Department of Biomedical Sciences College of MedicineSeoul National University103 DaehakroJongro-GuSeoulRepublic of Korea Bundang Hospital Seoul National University College of MedicineBundang-GuSungnamRepublic of Korea.

Background:Aducanumab(Adu),which is a human IgG1 monoclonal antibody that targets oligomer and fibril forms of beta-amyloid,has been reported to reduce amyloid pathology and improve impaired cognition after administration of a high dose(10 mg/kg)of the drug in Alzheimer’s disease(AD)clinical *** purpose of this study was to investigate the effects of a lower dose of Adu(3 mg/kg)with enhanced delivery via focused ultrasound(FUS)in an AD mouse ***:The FUS with microbubbles opened the blood-brain barrier(BBB)of the hippocampus for the delivery of *** combined therapy of FUS and Adu was performed three times in total and each treatment was performed biweekly.Y-maze test,Brdu labeling,and immunohistochemical experimental methods were employed in this *** addition,RNA sequencing and ingenuity pathway analysis were employed to investigate gene expression profiles in the hippocampi of experimental ***:The FUS-mediated BBB opening markedly increased the delivery of Adu into the brain by approximately 8.1 times in the *** combined treatment induced significantly less cognitive decline and decreased the level of amyloid plaques in the hippocampi of the 5×FAD mice compared with Adu or FUS *** treatment with FUS and Adu activated phagocytic microglia and increased the number of astrocytes associated with amyloid plaques in the hippocampi of 5×FAD ***,RNA sequencing identified that 4 enriched canonical pathways including phagosome formation,neuroinflammation signaling,CREB signaling and reelin signaling were altered in the hippocami of 5×FAD mice receiving the combined ***:In conclusion,the enhanced delivery of a low dose of Adu(3 mg/kg)via FUS decreases amyloid deposits and attenuates cognitive function ***-mediated BBB opening increases adult hippocampal neurogenesis as well as drug *** present an AD treatment strategy through the synergistic effect of the combined therapy of

关键词： Aducanumab Alzheimer’s disease Focused ultrasound Transcriptome profiling

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SARS-CoV-2 mutations, vaccines, and immunity: implication of variants of concern

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Signal Transduction and Targeted Therapy 2021年第6期6卷 1638-1639页

作者： Ji Yun Noh hye Won jeong Eui-Cheol Shin Division of Infectious Diseases Department of Internal MedicineKorea University Guro HospitalKorea University College of MedicineSeoulRepublic of Korea Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology(KAIST)DaejeonRepublic of Korea Division of Infectious Diseases Department of Internal MedicineChungbuk National University College of MedicineCheongjuRepublic of Korea The Center for Epidemic Preparedness KAISTDaejeonRepublic of Korea

In a recent study published in Nature,Wang et al.1 investigated the neutralizing activities of antibodies elicited by COVID-19 mRNA vaccines and natural infection with SARS-CoV-2 against SARS-CoV-2 *** devastating impact of the ongoing COVID-19 pandemic on public health,the economy,and society has made vaccine development a top priority for global ***,vaccine development is progressing at an unprecedented pace as an urgent response to COVID-19.

关键词： immunity vaccines variants

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Trigonelline protects the cardiocyte from hydrogen peroxide induced apoptosis in H9c2 cells

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Asian Pacific Journal of Tropical Medicine 2015年第4期8卷 263-268页

作者： Soundharrajan Ilavenil da hye Kim Young-Il jeong Mariadhas Valan Arasu Mayakrishnan Vijayakumar Ponnuraj Nagendra Prabhu Srisesharam Srigopalram Ki Choon Choi Grassland and Forage division National Institute of Animal ScienceRDA The United Graduate School of Agricultural Sciences Tottori University School of Medicine Pusan National University Department of Botany and Microbiology Addiriyah Chair for Environmental StudiesCollege of ScienceKing Saud University Department of Animal Sciences University of Illinois Department of Horticulture Sunchon National University

Objective:To elucidate the key parameters associated with hydrogen peroxide induced oxidative stress and investigates the mechanism of trigonelline(TG)for reducing the H_2O_2induced toxicity in H9c2 ***:Cytotoxicity and antioxidant activity of TG was assessed by EZ-CYTOX *** extraction and cDNA synthesized according to the kit manufacture *** was measured by the Flowcytometry,general PCR and ***:It was found that the TG significantly rescued the morphology of the H9c2 *** of cells with TG attenuated H_2O_2 induced cell deaths and improved the antioxidant *** addition,TG regulated the apoptotic gene caspase-3,caspase-9 and anti-apoptotic gene ***-XL during H_2O_2 induced oxidative stress in H9c2 *** results were comparable with quercetin *** evident,flow cytometer results also confirmed the TG significantly reduced the H_2O_2 induced necrosis and apoptosis in H9c2 ***,further increment of TG concentration against H_2O_2 could induce the necrosis and apoptosis along with H_2O_***:It is suggested that less than 125μM of TG could protect the cells from H_2O_2 induced cell damage by down regulating the caspases and up regulating the Bcl-2 and Bcl-XL ***,we suggest the trigonelline could be useful for treatment of oxidative stress mediated cardiovascular diseases in future.

关键词： Trigonelline H9c2 cells Antioxidant Apoptosis Cardiovascular diseases

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A novel IRAK4/PIM1 inhibitor ameliorates rheumatoid arthritis and lymphoid malignancy by blocking the TLR/MYD88-mediated NF-κB pathway

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Acta Pharmaceutica Sinica B 2023年第3期13卷 1093-1109页

作者： Sae-Bom Yoon Hyowon Hong Hee-Jong Lim Ji hye Choi Yoon Pyo Choi Seong Wook Seo Hyuk Woo Lee Chong Hak Chae Woo-Kyu Park Hyun Young Kim daeyoung jeong Tran Quang De Chang-Seon Myung Heeyeong Cho Therapeutics&Biotechnology Division Korea Research Institute of Chemical TechnologyYuseong-guDaejeon 34114Republic of Korea Department of Pharmacology Chungnam National University College of PharmacyYuseong-guDaejeon 34134Republic of Korea Future Medicine Co. Ltd.Rm616 LH-Business Growth CenterSeongnamGyeonggido 13449Republic of Korea Department of Chemistry College of Natural SciencesCan Tho UniversityCan Tho city 9000Viet Nam

Interleukin-1 receptor-associated kinase 4(IRAK4)is a pivotal enzyme in the Toll-like receptor(TLR)/MYD88 dependent signaling pathway,which is highly activated in rheumatoid arthritis tissues and activated B cell-like diffuse large B-cell lymphoma(ABC-DLBCL).Inflammatory responses followed by IRAK4 activation promote B-cell proliferation and aggressiveness of ***,proviral integration site for Moloney murine leukemia virus 1(PIM1)functions as an anti-apoptotic kinase in propagation of ABC-DLBCL with ibrutinib *** developed a dual IRAK4/PIM1 inhibitor KIC-0101 that potently suppresses the NF-κB pathway and proinflammatory cytokine induction in vitro and in *** rheumatoid arthritis mouse models,treatment with KIC-0101 significantly ameliorated cartilage damage and ***-0101 inhibited the nuclear translocation of NF-κB and activation of JAK/STAT pathway in *** addition,KIC-0101 exhibited an anti-tumor effect on ibrutinib-resistant cells by synergistic dual suppression of TLR/MYD88-mediated NF-κB pathway and PIM1 *** results suggest that KIC-0101 is a promising drug candidate for autoimmune diseases and ibrutinib-resistant B-cell lymphomas.

关键词： Drug discovery IRAK4 PIM1 NF-κB pathway Rheumatoid arthritis ABC-DLBCL Ibrutinib resistance Dual inhibitor

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