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Vitisin B inhibits influenza A virus replication by multi-targeting neuraminidase and virusinduced oxidative stress

Acta Pharmaceutica Sinica B 2023年第1期13卷 174-191页

作者： eun-Bin Kwon Wei Li Young Soo kim Buyun kim Hwan-Suck Chung Younghoon Go Hyun-Jeong Ko Jae-Hyoung Song Young Ho kim Chun Whan Choi Jang-Gi Choi Korean Medicine(KM)Application Center Korea Institute of Oriental MedicineDaegu 41062Republic of Korea College of Pharmacy Chungnam National UniversityDaejeon 34134Republic of Korea Natural Product Research Team BiocenterGyeonggido Business and Science AcceleratorGyeonggi-Do 16229Republic of Korea Laboratory of Microbiology and Immunology College of PharmacyKangwon National UniversityChuncheon 24341Republic of Korea

The development of drug-resistant influenza and new pathogenic virus strains underscores the need for antiviral ***,neuraminidase(NA)inhibitors are commonly used antiviral drugs approved by the US Food and Drug Administration(FDA)for the prevention and treatment of ***,we show that vitisin B(VB)inhibits NA activity and suppresses H1N1 viral replication in MDCK and A549 *** oxygen species(ROS),which frequently occur during viral infection,increase virus replication by activating the NF-κB signaling pathway,downmodulating glucose-6-phosphate dehydrogenase(G6PD)expression,and decreasing the expression of nuclear factor erythroid2-related factor 2(Nrf2)antioxidant response *** decreased virus-induced ROS generation by increasing G6PD expression and Nrf2 activity,and inhibiting NF-κB translocation to the nucleus through IKK *** addition,VB reduced body weight loss,increased survival,decreased viral replication and the inflammatory response in the lungs of influenza A virus(IAV)-infected *** together,our results indicate that VB is a promising therapeutic candidate against IAV infection,complements existing drug limitations targeting viral *** modulated the intracellular ROS by G6PD,Nrf2 antioxidant response pathway,and NF-κB signaling *** results demonstrate the feasibility of a multi-targeting drug strategy,providing new approaches for drug discovery against IAV infection.

关键词： Influenza Vitisin B Vitis vinifera L. Neuraminidase Reactive oxygen species NF-κB Multi-targeting Nrf2 G6PD

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Hydrangeae Dulcis Folium Attenuates Physical Stress by Supressing ACTH-Induced Cortisol in Zebrafish

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Chinese Journal of Integrative Medicine 2020年第2期26卷 130-137页

作者： Junyoung Oh Dong Hyun kim Gi-young kim eun-jin Park Jong Hoon Ryu Ji Wook Jung Se jin Park Gwang-Woo kim Seungheon Lee Department of Marine Life Science College of Ocean ScienceJeju National UniversityJeju(63243)Republic of Korea Departme nt of Medicinal Biotech no logy College of Health SciencesDong-A UniversityBusan(604-714)Republic of Korea Department of Food Bioengineering Jeju National UniversityJeju(63243)Republic of Korea Institute of Convergence BioHealth Dong-A UniversityBusan(604-714)Republic of Korea Department of Oriental Pharmaceutical Science College of PharmacyKyung Hee UniversityHoeki-dongDongdaemoon・KuSeoul(130-701)Republic of Korea Kyung Hee East-West Pharmaceutical Research Institute College of PharmacyKyung Hee UniversityHoeki-dongDongdaemoorvKuSeoul(130-701)Republic of Korea Department of Herbal Medicinal Pharmacology College of Herbal Bio-industryDaegu Haany UniversityYugok-dongGyeongsan(712-715)Republic of Korea School of Natural Resources and Environmental Sciences Kangwon National UniversityChuncheon(24341)Republic of Korea Marine Bio Con verge nee Center Gangneung Science&In dustry Promotion AgencyGangneung(25440)Republic of Korea

Objective:To determine the effects of Hydrangeae Dulcis Folium(EHDF)on physical stress,changes in the whole-body cortisol level and behaviour in zebrafish(Danio rerio).Methods:One hundred and seventy-four fish were randomly divided into 4[adrenocorticotropin hormone(ACTH)challenge test:4 fish per group]or 6 groups(behavioural test:10–12 fish per group,whole-body cortisol:4 fish per group).Net handling stress(NHS)was used to induce physical *** were treated with vehicle or EHDF(5–20 mg/L)for 6 min before they were exposed to *** then,fish were sacrificed for collecting body fluid from whole-body or conducted behavioural tests,including novel tank test and open field test,and were evaluated to observe anxiety-like behaviours and *** addition,to elucidate the mode of action of the anti-stress effects of EHDF,ACTH(0.2 IU/g,i.p.)challenge test was ***:The increased anxiety-like behaviours in novel tank test and open field test under stress were prevented by treatment with EHDF at 5–20 mg/L(P<0.05).Moreover,compared with the unstressed group,which was not treated with NHS,the whole-body cortisol level was significantly increased by treatment with NHS(P<0.05).Compared with the NHS-treated stressed control group,pre-treatment with EHDF at concentrations of 5–20 mg/L for 6 min significantly prevented the NHS-increased whole-body cortisol level(P<0.05).In addition,ACTH challenge test showed that EHDF completely blocked the effects of ACTH on cortisol secretion(P<0.05).Conclusion:EHDF may be a good antistress candidate and its mechanism of action may be related to its positive effects on cortisol release.

关键词： net handling stress zebrafish Hydrangeae Dulcis Folium whole-body cortisol behavioural tests

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Breast adenoid cystic carcinoma arising in microglandular adenosis:A case report and review of literature

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World Journal of Clinical Cases 2021年第25期9卷 7579-7587页

作者： jin Kyung An Jeong Joo Woo eun Kyung kim Hee Yong Kwak Department of Radiology Nowon Eulji Medical CenterEulji University School of MedicineSeoul 01830South Korea Department of Pathology Nowon Eulji Medical CenterEulji University School of MedicineSeoul 01830South Korea Department of Surgery Nowon Eulji Medical CenterEulji University School of MedicineSeoul 01830South Korea

BACKGROUND Breast adenoid cystic carcinoma(AdCC)is a rare invasive carcinoma composed of epithelial and myoepithelial *** adenosis(MGA)is a rare benign proliferative lesion consisting of small,uniform,and round glands formed by a single layer of epithelial cells and basement membrane without a myoepithelial cell *** may progress to atypical MGA and carcinoma arising in *** various invasive carcinomas from MGA,AdCC has been rarely ***,we report a case of AdCC arising in *** SUMMARY A 59-year-old woman was diagnosed with a newly developed density on a routine *** density was similar to or slightly lower than that of the breast *** showed an irregular mass with a slightly higher echo than that of *** resonance imaging showed an irregular mass with a similar T1 signal intensity and a slightly higher T2 signal intensity compared to muscles or the breast *** lesion showed heterogeneous internal enhancement with an initially slow and delayed persistent enhancing ***,the tumor was composed of invasive AdCC,in situ AdCC,and *** is composed of basaloid and ductal epithelial cells forming cribriform or solid sheets,or haphazardly scattered small cribriform or tubular *** showed small glands with a single epithelial lining and retained lumen.S-100 staining was strongly positive in MGA *** patient underwent breast-conserving surgery with sentinel lymph node *** Breast AdCC arising in MGA showed unique imaging findings that was different from usual invasive cancer.

关键词： Breast neoplasms Fibrocystic breast disease Carcinoma Adenoid cystic Case report

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Paradoxical vocal fold motion masquerading as post-anesthetic respiratory distress:A case report

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World Journal of Clinical Cases 2023年第10期11卷 2349-2354页

作者： Jongyoon Baek Dae-Lim Jee Yoon Seok Choi Sang Woo kim eun Kyung Choi Department of Anesthesiology and Pain Medicine Yeungnam University College of MedicineDaegu 42415South Korea Department of Otorhinolaryngology-Head and Neck Surgery Yeungnam University College of MedicineDaegu 42415South Korea Department of Neurosurgery Yeungnam University College of MedicineDaegu 42415South Korea

BACKGROUND Functional vocal cord disorders can be a differential diagnosis for postoperative upper airway obstruction requiring urgent ***,this may be unfamiliar to anesthesiologists who would favor inappropriate airway intervention and increased *** SUMMARY A 61-year-old woman underwent cervical laminectomy,followed by laparoscopic cholecystectomy 10 mo *** adequate reversal of neuromuscular blockade,the patient experienced repetitive respiratory difficulty with inspiratory stridor after *** the second operation,the patient was diagnosed with paradoxical vocal fold motion(PVFM)by an otolaryngologist based on the clinical features and fiberoptic bronchoscopy results,and the patient was successfully *** PVFM should be considered a differential diagnosis if a patient presents with stridor after general anesthesia.

关键词： Anesthesiology Vocal fold Paradoxical motion Postoperative respiratory distress Case report

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Inhibitory effect of Jeju endemic seaweeds on the production of pro-inflammatory mediators in mouse macrophage cell line RAW 264.7

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2010年第5期11卷 315-322页

作者： eun-jin YANG Ji-Young MOON Min-jin kim Dong Sam kim Chan-Shick kim Wook Jae LEE Nam Ho LEE Chang-Gu HYUN Jeju Biodiversity Research Institute(JBRI) Jeju High-Tech Development Institute(HiDI) Jeju 699-943Korea Jeju Seaweed Industry Development Agency Cheju National UniversityJeju 690-756Korea Faculty of Biotechnology Cheju National UniversityJeju 690-756Korea Department of Chemistry Cheju National UniversityJeju 690-756Korea

Seaweed has been used in traditional cosmetics and as a herbal medicine in treatments for cough,boils,goiters,stomach ailments,and urinary diseases,and for reducing the incidence of tumors,ulcers,and *** the fact that seaweeds are frequently used in the practice of human health,little is known about the role of seaweed in the context of *** study aimed to investigate the influence of Jeju endemic seaweed on a mouse macrophage cell line(RAW 264.7) under the stimulation of lipopolysaccharide(LPS).Ethyl acetate extracts obtained from 14 different kinds of Jeju seaweeds were screened for inhibitory effects on pro-inflammatory *** results revealed that extracts from five seaweeds,Laurencia okamurae,Grateloupia elliptica,Sargassum thun-bergii,Gloiopeltis furcata,and Hizikia fusiformis,were potent inhibitors of the production of pro-inflammatory mediators such as nitric oxide(NO),prostaglandin E2(PGE2),interleukin-6(IL-6),and tumor necrosis factor-α(TNF-α).Based on these results,the anti-inflammatory effects and low cell toxicity of these seaweed extracts suggest potential thera-peutic applications in the regulation of the inflammatory response.

关键词： Nitric oxide Interleukin-6(IL-6) Prostaglandin E2(PGE2) Tumor necrosis factor-α(TNF-α) Seaweeds Pro-inflammatory mediators

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Zeolitic imidazolate framework-67 derived Al-Co-S hierarchical sheets bridged by nitrogen-doped graphene:Incorporation of PANI derived carbon nanorods for solid-state asymmetric supercapacitors

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Journal of Energy Chemistry 2022年第11期31卷 429-445,I0012页

作者： Emad S.Goda Bidhan Pandit Sang eun Hong Bal Sydulu Singu Seong K.kim Essam B.Moustafa Kuk Ro Yoon Kuk Ro Yoon Organic Nanomaterials Lab Department of ChemistryHannam UniversityDaejeon 34054Republic of Korea Gas Analysis and Fire Safety Laboratory Chemistry DivisionNational Institute for Standards136Giza 12211Egypt Department of Materials Science and Engineering and Chemical Engineering Universidad Carlos Ⅲ de MadridAvenida de La Universidad 3028911 LeganésMadridSpain Department of Chemical and Biomolecular Engineering Yonsei UniversitySeoul 03722Republic of Korea Department of Chemical Engineering Hannam University1646 Yuseongdae-roYuseong-guDaejeon 34054Republic of Korea Mechanical Engineering Department Faculty of EngineeringKing Abdulaziz UniversityP.O.Box 80204Jeddah 22254Saudi Arabia

Metal sulfides have been widely enticed as battery-type electrodes in supercapacitor devices because of their maximal theoretical ***,their lower conductivity and ion transport kinetics can largely restrict their rate performance,hence the practical usage in fields of demanding high power ***,the design of new electrodes with higher energy and power densities remains a highly challenging *** the best of our knowledge,a novel hierarchical composite of Al-CoS_(2) on nitrogendoped graphene(NG)is prepared based on a zeolite imidazole framework using a simple and scalable hydrothermal *** this hybrid,ultrathin Al-CoS_(2) nanosheet arrays are vertically orientated on the NG framework to limit self-aggregation,hence increasing the electrical property and cycle stability of *** is investigated that the Al/Co feeding ratio plays a crucial role in controlling the obtained hierarchical structure of Al-Co-S sheets and their electrode ***,Al^(3+) can influence remarkably the morphology and electrochemical property of the resultant graphene *** effective synergism is noticed between the redox Al-CoS_(2) and NG resulting in fast electron transfer and chargingdischarging ***,when the as-developed composite is utilized as a positive electrode at an applied current density of 1 A/g,a specific capacitance of 1915.8 F/g is attained with ultra-long cycle stability(96%,10,000 cycles)and an excellent retention rate(~89%).As a consequence,when a solid-state asymmetric supercapacitor(ASC)device is made by combining an Al-CoS_(2) @NG hybrid with a negative electrode made of polyaniline(PANI)derived carbon nanorods(PCNRs),it demonstrates remarkable specific capacitance(188 F/g),energy density(66.9 Wh/kg),and cyclic stability of 92%after 10,000 *** may open the pathway for the application of the next-generation supercapacitors in the future.

关键词： Hierarchical sheets MOFs Al-doped CoS_(2) Nitrogen-doped graphene Solid-state supercapacitor

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Effects of Wind Fences on the Wind Environment around Jang Bogo Antarctic Research Station

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Advances in Atmospheric Sciences 2017年第12期34卷 1404-1414页

作者： Jang-Woon WANG Jae-jin kim Wonsik CHOI Da-Som MUN Jung-eun KANG Hataek KWON jin-Soo kim Kyung-Soo HAN Department of Environmental Atmospheric Sciences Pukyong National University 45Yongso-ro Korea Polar Research Institute 26 Songdomirae-ro Yeonsu-gu Department of Spatial Information Engineering Pukyong National University 45Yongso-ro

This study investigated the flow characteristics altered by Jang Bogo Antarctic Research Station using computational fluid dynamics(CFD) modeling. The topography and buildings around Jang Bogo Station were constructed with computeraided-design data in the CFD model domain. We simulated 16 cases with different inflow directions, and compared the flow characteristics with and without Jang Bogo Station for each inflow direction. The wind data recorded by the site’s automatic weather station(AWS) were used for comparison. Wind rose analysis showed that the wind speed and direction after the construction of Jang Bogo Station were quite different from those before construction. We also investigated how virtual wind fences would modify the flow patterns, changing the distance of the fence from the station as well as the porosity of the fence. For westerly inflows, when the AWS was downwind of Jang Bogo Station, the decrease in wind speed was maximized(-81% for west-northwesterly). The wind speed reduction was also greater as the distance of the fence was closer to Jang Bogo Station. With the same distance, the fence with medium porosity(25%–33%) maximized the wind speed *** results suggest that the location and material of the wind fence should be selected carefully, or AWS data should be interpreted cautiously, for particular prevailing wind directions.

关键词： Jang Bogo Antarctic Research Station CFD model observation environment wind fence porosity

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Direct modification of spermatogonial stem cells using lentivirus vectors in vivo leads to efficient generation of transgenic rats

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Asian Journal of Andrology 2019年第2期21卷 190-195页

作者： Bang-jin kim Yong-Hee kim Myeong-Geun Oh Ki-Jung kim Sang-eun Jung Ju-Hee jin Sun-Uk kim Kwan-Sik Min Buom-Yong Ryu Department of Animal Scienee and Technology College of Biotechnology and Natural ResourcesChung-Ang UniversityAnseongGyeonggi-do 17546Korea National Primate Research Center Korea Research Institute of Bioscienee and BiotechnologyCheongjuChungcheongbuk-do 28116Korea Futuristic Animal Resource and Research Center Korea Research Institute of Bioscience and BiotechnologyCheongjuChungcheongbuk-do 28116Korea Animal Biotechnology Graduate School of Future Con verge nee Tech no logyDepartment of Animal Life ScienceInstitute of Genetic Engi neeringHankyong National UniversityAnseongGyeon ggi-do 17579Korea Department of Cancer Biology University of PennsylvaniaPhiladelphiaPA 19104USA.

Spermatogonial stem cells(SSCs)transmit genetic information to the next progeny in ***,SSCs are a potential target for germ I i ne modifications to gen erate tran sgenic an *** this study,we report a technique for the gen erati on of tran sgenic rats by in vivo manipulation of SSCs with a high success *** in juvenile rats were transduced in vivo with high titers of lentivirus harbori ng enhan ced green fluoresce nt protei n and mated with wild-type females to create foun der *** founder rats expressed the transgene and passed on the transgene with an overall success rate of 50.0%.Subsequent generations of progeny from the founder rats both expressed and passed on the ***,direct modification of SSCs in juvenile rats is an effective means of generating transgenic rats through the male *** technology could be adapted to larger animals,in which existing methods for gene modificatio n are in adequate or in applicable,resulti ng in the gen eration of tran sge nic an imals in a variety of species.

关键词： germline modification lentivirus spermatogonial stem cell testis transgenic animal

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Dynamic enhanced computed tomography imaging findings of an inflammatory fibroid polyp with massive fibrosis in the stomach

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World Journal of Gastroenterology 2017年第11期23卷 2090-2094页

作者： eun Jung Shim Sung eun Ahn Dong Ho Lee Seong jin Park Youn Wha kim Department of Radiology Kyung Hee University HospitalGraduate SchoolKyung Hee University Department of Pathology Kyung Hee University HospitalGraduate SchoolKyung Hee University

Inflammatory fibroid polyp(IFP) is a rare benign lesion of the gastrointestinal tract. We report a case of computed tomography(CT) imaging finding of a gastric IFP with massive fibrosis. CT scans showed thickening of submucosal layer with overlying mucosal hyperenhancement in the gastric antrum. The submucosal layer showed increased enhancement on delayed phase imaging. An antrectomy with gastroduodenostomy was performed because gastric cancer was suspected, particularly signet ring cell carcinoma. The histopathological diagnosis was an IFP with massive fibrosis. The authors suggest that when the submucosal layer of the gastric wall is markedly thickened with delayed enhancement and preservation of the mucosal layer, an IFP with massive fibrosis should be considered in the differential diagnosis.

关键词： Inflammatory fibroid polyp Gastric polyp Gastric submucosal tumor Signet ring cell carcinoma Computed tomography imaging finding

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SYNCRIP controls miR-137 and striatal learning in animal models of methamphetamine abstinence

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Acta Pharmaceutica Sinica B 2022年第8期12卷 3281-3297页

作者： Baeksun kim Sung Hyun Tag eunjoo Nam Suji Ham Sujin Ahn Juhwan kim Doo-Wan Cho Sangjoon Lee Young-Su Yang Seung eun Lee Yong Sik kim Il-Joo Cho Kwang Pyo kim Su-Cheol Han Heh-In Im Convergence Research Center for Diagnosis Treatment and Care System of Dementia(DTC)Korea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea Division of Bio-Medical Science&Technology KIST SchoolKorea University of Science and Technology(UST)Seoul 02792Republic of Korea Center for Neuroscience KISTSeoul 02792Republic of Korea Animal Model Research Center Jeonbuk Department of Inhalation ResearchKorea Institute of Toxicology(KIT)Korea Research Institute of Chemical Technology(KRICT)Jeongeup 56212Republic of Korea Research Animal Resource Center KISTSeoul 02792Republic of Korea Department of Pharmacology Seoul National University College of MedicineSeoul 03080Republic of Korea Center for BioMicrosystems KISTSeoul 02792Republic of Korea Department of Applied Chemistry Kyung Hee UniversityGyeonggi-do 17104Republic of Korea

Abstinence from prolonged psychostimulant use prompts stimulant withdrawal *** adaptations within the dorsal striatum have been considered the main hallmark of stimulant abstinence. Here we explored striatal miRNA-target interaction and its impact on circulating miRNA marker as well as behavioral dysfunctions in methamphetamine(MA) abstinence. We conducted miRNA sequencing and profiling in the nonhuman primate model of MA abstinence, followed by miRNA qPCR,LC-MS/MS proteomics, immunoassays, and behavior tests in mice. In nonhuman primates, MA abstinence triggered a lasting upregulation of miR-137 in the dorsal striatum but a simultaneous downregulation of circulating miR-137. In mice, aberrant increase in striatal miR-137-dependent inhibition of SYNCRIP essentially mediated the MA abstinence-induced reduction of circulating miR-137. Pathway modeling through experimental deduction illustrated that the MA abstinence-mediated downregulation of circulating miR-137 was caused by reduction of SYNCRIP-dependent miRNA sorting into the exosomes in the dorsal striatum. Furthermore, diminished SYNCRIP in the dorsal striatum was necessary for MA abstinence-induced behavioral bias towards egocentric spatial learning. Taken together, our data revealed circulating miR-137 as a potential blood-based marker that could reflect MA abstinence-dependent changes in striatal miR-137/SYNCRIP axis, and striatal SYNCRIP as a potential therapeutic target for striatum-associated cognitive dysfunction by MA withdrawal syndrome.

关键词： Methamphetamine Abstinence Withdrawal Striatum miR-137 SYNCRIP Biomarker Behavior

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