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Polyherbal formula SC-E3 inhibits rheumatoid arthritis activity in a mouse model of type-Ⅱcollagen-induced arthritis

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Journal of Integrative Medicine 2021年第3期19卷 265-273页

作者： Ju-yeon Park Young-Won kwon Sun-Ah Kim Sun-Dong Park Chang-Hyun Kim Jin-Hee Kim Ju-Hee Lee College of Korean Medicine Dongguk UniversityGoyang 10326Republic of Korea Department of Medicine College of MedicineDongguk UniversityGoyang 10326Republic of Korea Department of Biomedical Laboratory Science College of Health ScienceCheongju UniversityCheongju 28503Republic of Korea

Objective:SC-E3 is a polyherbal formula that contains five medicinal herbs used frequently in traditional herbal *** our previous study,we demonstrated the antioxidant and anti-inflammatory effects of *** present study examined the effects of SC-E3 in a mouse model of type-II collagen-induced arthritis(CIA).Methods:In vivo,male DBA/1 J mice were immunized by intradermal injection of bovine type-II collagen and complete or incomplete Freund’s adjuvant,to induce ***-E3 was orally administered daily for 23 *** vitro,bone marrow-derived macrophages(BMMs)were treated with macrophage colony-stimulating factor(M-CSF)and receptor activator of nuclear factor-j B ligand(RANKL)in the absence or presence of ***:Administrations of SC-E3 were found to have anti-arthritic effects in the joints of CIA mice,as evidenced by reduced paw swelling,bone erosion and deformation,inflammatory cell infiltration,and inflammation in synovial ***-E3 also reduced serum levels of tumor necrosis factor-a,interleukin-1 b,aspartate aminotransferase and alanine ***,tartrateresistant acid phosphatase-positive osteoclast numbers in the joints were significantly lower in SC-E3-treated CIA mice than in CIA *** addition,the differentiations of BMMs to multinucleated osteoclasts induced by M-CSF and RANKL stimulation were dose-dependently reduced by ***:These results suggest that SC-E3 possesses substantial anti-arthritic activity because it inhibits pro-inflammatory cytokines and osteoclastogenesis,and that SC-E3 has potential therapeutic use for the treatment of rheumatoid arthritis.

关键词： Herbal formula Anti-inflammatory Rheumatoid arthritis Collagen-induced arthritis Osteoclastogenesis

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Comparison of postoperative corneal changes between dry eye and non-dry eye in a murine cataract surgery model

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International Journal of Ophthalmology(English edition) 2016年第2期9卷 218-224页

作者： Jin Woo kwon yeon Woong Chung Jin A Choi Tae Yoon La Dong Hyun Jee Yang Kyung Cho Department of Ophthalmology St.Vincent's HospitalCollege of Medicine The Catholic University of Korea

AIM： To compare the effects of the surgical insult of cataract surgery on corneal inflammatory infiltration, neovascularization （NV） and lymphangiogenesis （LY） between the dry eye and non-dry eye in murine cataract surgery models.METHODS： We established two groups of animals, one with normal eyes （non-dry eye） and the second with induced dry eyes. In both groups, we used surgical insults to mimic human cataract surgery, which consisted of lens extraction, corneal incision and suture. After harvesting of corneas on the 9th postoperative day and immunohistochemical staining, we compared NV, LY and CD11b＋ cell infiltration in the corneas.RESULTS： Dry eye group had significantly more inflammatory infiltration （21.75%±7.17% r/s 3.65%±1.49%; P=0.049）. The dry eye group showed significantly more NV （48.21% ±4.02% ys 26.24% ±6.01% ; P =0.016） and greater levels of LY （9.27%±0.48% ys 4.84%±1.15%; P= 0.007）. In corneas on which no surgery was performed, there was no induction of NV in both the dry and non- dry group, but dry eye group demonstrated more CD11b＋ cells infiltration than the non-dry eye group （0.360%± 0.160% vs 0.023%±0.006%; P=0.068）. Dry eye group showed more NV than non-dry eye group in both topical PBS application and subconjunctival PBS injection （P= 0.020 and 0.000, respectively）.

关键词： angiogenesis cataract surgery dry eyedisease inflammation

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Pain Efficacy of a Home-Based Low-Intensity Continuous Ultrasound Stimulator for Knee Arthritis: A Single-Arm, Open-Label, Prospective Clinical Trial

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Health（健康） 2024年第7期 703页

作者： Md.Habibur Rahman yeon-Gyu Jang Johny Bajgai Subham Sharma Kchorng Vira Abdul-Nasir Sofian Seong Hoon Goh Yundeok Kim Cheol-Su Kim doo-Sup Kim Kyu-Jae Lee

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Ternary layered double hydroxide oxygen evolution reaction electrocatalyst for anion exchange membrane alkaline seawater electrolysis

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Journal of Energy Chemistry 2022年第12期75卷 127-134,I0004页

作者： Yoo Sei Park Jae-Yeop Jeong Myeong Je Jang Chae-yeon kwon Geul Han Kim Jaehoon Jeong Ji-hoon Lee Jooyoung Lee Sung Mook Choi Department of Hydrogen Energy Materials Surface&Nano Materials DivisionKorea Institute of Materials Science(KIMS)Changwon 51508Republic of Korea Department of Advanced Material Engineering Chungbuk National University1 Chungdae-roSeowon-guCheongjuChungbuk 28644Republic of Korea Department of Chemical Engineering University of WaterlooWaterlooOntario N2L 3G1 Canada School of Materials Science and Engineering Gyeongsang National UniversityJinju 52828Republic of Korea Department of Materials Science and Engineering Pusan National UniversityBusan 46241Republic of Korea Energy Industry Support Center Daegu Mechatronics&Materials InstituteDaegu 42704Republic of Korea Advanced Materials Engineering University of Science and Technology(UST)Yuseong-guDaejeon 34113Republic of Korea

Anion exchange membrane(AEM)water electrolyzers are promising energy devices for the production of clean hydrogen from ***,the lack of active and robust electrocatalysts for the oxygen evolution reaction(OER)severely impedes the development of this *** this study,a ternary layered double hydroxide(LDH)OER electrocatalyst(NiFeCo-LDH)is developed for high-performance AEM alkaline seawater *** AEM alkaline seawater electrolyzer catalyzed by the NiFeCo LDH shows high seawater electrolysis performance(0.84 A/cm^(2)at 1.7 Vcell)and high hydrogen production efficiency(77.6%at 0.5 A/cm^(2)),thus outperforming an electrolyzer catalyzed by a benchmark IrO_(2)*** NiFeCo-LDH electrocatalyst greatly improves the kinetics of the AEM alkaline seawater electrolyzer,consequently reducing its activation loss and leading to high *** on the results,this NiFeCo-LDH-catalyzed AEM alkaline seawater electrolyzer can likely surpass the energy conversion targets of the US Department of Energy.

关键词： Anion exchange membranes water electrolysis Oxygen evolution reactions Alkaline seawater electrolysis Hydrogen production

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Restoration of an Inner-City Stream and Its Impact on Air Temperature and Humidity Based on Long-Term Monitoring Data

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Advances in Atmospheric Sciences 2009年第2期26卷 283-292页

作者： Kyu Rang KIM Tae Heon kwon yeon-Hee KIM Hae-Jung KOO Byoung-Cheol CHOI Chee-Young CHOI Applied Meteorology Research Laboratory National Institute of Meteorological Research Korea Meteorological Administration Applied Meteorology Research Laboratory National Institute of Meteorological ResearchKorea Meteorological Administration

Spatiotemporal changes in air temperature and humidity associated with the restoration of an innercity stream in Seoul, Korea, are investigated based on long-term monitoring data. The Cheonggye stream, covered under a concrete structure for 46 years, was restored in 2005 and runs 5.8 km eastward through a central region of Seoul. Long-term monitoring of the air temperature and relative humidity was made along the stream throughout the restoration and across the stream after the restoration. The area along the stream had a higher air temperature than the entire metropolitan area. The temperature anomaly between the monitoring area and the surrounding metropolitan area was 0.13℃ lower on average at the center of the stream after the restoration. The stream＇s effect on the air temperature was also evident in the temperature distribution along a street traversing the stream. The relative and specific humidities were increased due to the restoration. The restored stream modified the nearby urban climate in the opposite direction compared to urbanization. The results could be used as a model case in mitigating urban climate by a stream in future urban planning practices.

关键词： urban heat island stream restoration land-use vegetation Cheonggye stream

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Embolization of pancreatic arteriovenous malformation:A case report

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World Journal of Clinical Cases 2020年第8期8卷 1471-1476页

作者： So yeon Yoon Gyeong Sik Jeon Shin Jae Lee Dae Joong Kim Chang Il kwon Mi Hyun Park Department of Radiology CHA Bundang Medical CenterCollege of MedicineCHA UniversitySeongnam-si 13496Gyeonggi-doSouth Korea Department of Radiology Research Institute of Radiological ScienceYongin Severance HospitalYonsei University College of MedicineYongin-si 17046South Korea Department of Internal Medicine Digestive Disease CenterCHA Bundang Medical CenterCollege of MedicineCHA UniversitySeongnam-si 13496Gyeonggi-doSouth Korea Department of Radiology Dankook University HospitalChungcheongnam-do 31116South Korea

BACKGROUND Pancreatic arteriovenous malformation(AVM)is a rare disease with a number of different reported treatment methods,but there are as yet no established or definite treatments for the *** SUMMARY A 43-year-old man visited the hospital due to periumbilical *** patient underwent imaging study and laboratory testing for evaluation of *** AVM associated with pancreatitis was suspected on computed tomography and magnetic resonance *** patient was diagnosed with pancreatic AVM with pancreatitis on imaging study and *** arterial embolization with various embolic materials was ***-up computed tomography scan revealed progressive regression of AVM and improvement of *** two-year follow-up,the patient showed no recurrence of symptom or *** Transcatheter arterial embolization can be considered an effective treatment modality for selective cases of pancreatic AVM.

关键词： Pancreas Arteriovenous malformation Pancreatitis Pancreatic pseudocyst Embolization Therapeutic Case report

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Exercise improves the effects of testosterone replacement therapy and the durability of response after cessation of treatment： a pilot randomized controlled trial

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Asian Journal of Andrology 2017年第5期19卷 602-607页

作者： Dae-yeon Cho Jeong Kyun Yeo Seung Ik Cho Jae Eun Jung Sang Jin Yang doo Hwan Kong Jeong Ku Ha Jin Goo Kim Min Gu Park Inje University Sanggye Paik Hospital Department of Urology Seoul Korea Inje University Seoul Paik Hospital Department of Urology Seoul Korea KonKuk University Medical Center Department of Orthopedics Seoul Korea Inje University Seoul Paik Hospital Department of Orthopedics Sports Medical Center Seoul Korea

The effects of the combination of exercise and TRT on symptoms of late-onset hypogonadism （LOH） and the durability of response after cessation of TRT were investigated. A total of fifty patients with erectile dysfunction （ED） who had a sedentary lifestyle and low serum total testosterone （T） levels were enrolled and followed for 20 weeks. Patients were randomly divided into two groups; all of them received T gel for 12 weeks and it was discontinued for 8 weeks. Patients assigned to Group II were offered a supervised exercise program for 20 weeks. Measurement of serological testing was performed and self-assessment questionnaires and Global Assessment Question （GAQ） were asked. Baseline characteristics and the initial symptom scores showed no significant difference between the two groups. Serum total T levels and the symptom scores were increased at 12 weeks in both groups, and Group II showed better results with statistical significance. There was a decrease in T levels and worsening of symptom scores at week 20 compared to week 12 in both groups, and Group II showed better results with statistical significance. On the GAQ, Group II showed higher ratio of ＂yes＂ at week 12 and the same tendency was sustained at week 20 with significant difference between two groups. The combination of exercise and TRT showed significant improvements in serum T levels and LOH symptoms compared to TRT alone. In addition, these improvements were maintained in the combination group with continuous exercise, even after cessation of TRT.

关键词： erectile dysfunction exercise hypogonadism testosterone

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Effect of trapping vascular endothelial growth factor-A in a murine model of dry eye with inflammatory neovascularization

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International Journal of Ophthalmology(English edition) 2016年第11期9卷 1541-1548页

作者： Jin Woo kwon Jin A Choi Eun Young Shin Tae Yoon La Dong Hyun Jee yeon Woong Chung Yang Kyung Cho Department of Ophthalmology St.Vincent's HospitalCollege of Medicinethe Catholic University of Korea Research Institute of Medical Science St.Vincent's Hospitalthe Catholic University of Korea

AIM： To evaluate whether trapping vascular endothelial growth factor-A（VEGF-A） would suppress angiogenesis and inflammation in dry eye corneas in a murine corneal suture ***： We established two groups of animals, one with non-dry eyes and the other with induced dry *** both groups, a corneal suture model was used to induce inflammation and neovascularization. Each of two groups was again divided into three subgroups according to the treatment; subgroup I（aflibercept）,subgroup II（dexamethasone） and subgroup III（phosphate buffered saline, PBS）. Corneas were harvested and immunohistochemical staining was performed to compare the extents of neovascularization and CD11b＋ cell infiltration. Real-time polymerase chain reaction was performed to quantify the expression of inflammatory cytokines and VEGF-A in the ***： Trapping VEGF-A with aflibercept resulted in significantly decreased angiogenesis and inflammation compared with the dexamethasone and PBS treatments in the dry eye corneas（all P 〈0.05）, but with no such effects in non-dry eyes. The anti-inflammatory and antiangiogenic effects of VEGF-A trapping were stronger than those of dexamethasone in both dry eye and non-dry eye corneas（all P 〈0.05）. The levels of RNA expression of VEGF-A, TNF-alpha, and IL-6 in the aflibercept subgroup were significantly decreasedcompared with those in the PBS subgroup in the dry eye ***： Compared with non-dry eye corneas,dry eye corneas have greater amounts of inflammation and neovascularization and also have a more robust response to anti-inflammatory and anti-angiogenic agents after ocular surface surgery. Trapping VEGF-A is effective in decreasing both angiogenesis and inflammation in dry eye corneas after ocular surface surgery.

关键词： dry eye aflibercept neovascularization inflammation dexamethasone

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Spatio-temporal change in forest cover and carbon storage considering actual and potential forest cover in South Korea

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Science China(Life Sciences) 2015年第7期58卷 713-723页

作者： NAM Kijun LEE Woo-Kyun KIM Moonil KWAK doo-Ahn BYUN Woo-Hyuk YU Hangnan KWAK Hanbin kwon Taesung SUNG Joohan CHUNG Dong-Jun LEE Seung-Ho Division of Environmental Science and Ecological Engineering Korea University GIS/RS Center for Environmental Resources Korea University Division of Forest Ecology Korea Forest Research Institute National Forestry Cooperative Federation Division of Forest Economics & Management Korea Forest Research Institute

This study analyzes change in carbon storage by applying forest growth models and final cutting age to actual and potential forest cover for six major tree species in South Korea. Using National Forest Inventory data, the growth models were developed to estimate mean diameter at breast height, tree height, and number of trees for Pinus densiflora, Pinus koraiensis, Pinus rigida, Larix kaernpferi, Castanea crenata and Quercus spp. stands. We assumed that actual forest cover in a forest type map will change into potential forest covers according to the Hydrological and Thermal Analogy Groups model. When actual forest cover reaches the final cutting age, forest volume and carbon storage are estimated by changed forest cover and its growth model. Forest volume between 2010 and 2110 would increase from 126.73 to 157.33 m^3 hm^-2. Our results also show that forest cover, volume, and carbon storage could abruptly change by 2060. This is attributed to the fact that most forests are presumed to reach final cutting age. To avoid such dramatic change, a regeneration and yield control scheme should be prepared and implemented in a way that ensures balance in forest practice and yield.

关键词： climate change final cutting age carbon storage national forestry inventory forest growth model

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Humidity-induced synaptic plasticity of ZnO artificial synapses using peptide insulator for neuromorphic computing

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Journal of Materials Science & Technology 2022年第24期119卷 150-155页

作者： Min-Kyu Song Hojung Lee Jeong Hyun Yoon Young-Woong Song Seok Daniel Namgung Taehoon Sung Yoon-Sik Lee Jong-Seok Lee Ki Tae Nam Jang-yeon kwon School of Integrated Technology Yonsei UniversityIncheon 21983South Korea Department of Materials Science and Engineering Seoul National UniversitySeoul 08826South Korea Soft Foundry Seoul National UniversitySeoul 08826South Korea School of Chemical and Biological Engineering Seoul National UniversitySeoul 08826South Korea

Neuromorphic devices inspired by the human brain have attracted significant attention because of their excellent ability for cognitive and parallel *** study presents ZnO-based artificial synapses with peptide insulators for the electrical emulation of biological *** demonstrated the dynamic responses of the device under various environmental *** proton-conducting property of the tyrosine-rich peptide enables time-dependent responses under ambient conditions such that various aspects of synaptic behaviors are emulated by the *** transition from short-term memory to longterm memory is achieved via electrochemical doping of ZnO by ***,we demonstrate an image classification simulation using a multi-layer perceptron model to evaluate the potential of the device for use in neuromorphic *** neural network based on our device achieved a recognition accuracy of 87.47% for the MNIST handwritten digit *** work proposes a novel device platform inspired by biosystems for brain-mimetic hardware systems.

关键词： Artificial synapse Neuromorphic computing Oxide semiconductor Proton conductor Artificial neural network

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