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Comparison of two Nd:YAG laser posterior capsulotomy: cruciate pattern vs circular pattern with vitreous strand cutting

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International Journal of Ophthalmology(English edition) 2018年第2期11卷 235-239页

作者： jin-Soo Kim Jung Yeol Choi ji-won kwon won Ryang Wee Young Keun Han Department of Ophthalmology Seoul National University College of Medicine Department of Ophthalmology Seoul Metropolitan Government-Seoul National University Boramae Medical Center Department of Ophthalmology Seonam University College of Medicine Myongji Hospital

AIM： To investigate the effects and safety of neodymium： yttrium-aluminium-garnet（Nd：YAG） laser posterior capsulotomy with vitreous strand cuttingMETHODS： A total of 40 eyes of 37 patients with symptomatic posterior capsular opacity（PCO） were included in this prospective randomized study and were randomly subjected to either cruciate pattern or round pattern Nd：YAG posterior capsulotomy with vitreous strand cutting（modified round pattern）. The best corrected visual acuity（BCVA）, intraocular pressure（IOP）, refractive error, endothelial cell count（ECC）, anterior segment parameters, including anterior chamber depth（ACD） and anterior chamber angle（ACA） were measured before and 1 mo after the laser posterior capsulotomy. RESULTS： In both groups, the BCVA improved significantly（P〈0.001 for the modified round pattern group, P=0.001 for the cruciate pattern group）; the IOP and ECC did not significantly change. The ACD significantly decreased（P〈0.001 for both） and the ACA significantly increased（P=0.001 for the modified round pattern group and P=0.034 for the cruciate group）. The extent of changes in these parameters was not significantly different between the ***： Modified round pattern Nd：YAG laser posterior capsulotomy is an effective and safe method for the treatment of PCO. This method significantly changes the ACD and ACA, but the change in refraction is not significant. Modified round pattern Nd：YAG laser posterior capsulotomy can be considered a good alternative procedure in patients with symptomatic PCO.

关键词： posterior capsulotomy modified round pattern vitreous strand cutting anterior segment parameter

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Simple keratectomy and corneal tattooing for limbal dermoids:results of a 3-year study

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International Journal of Ophthalmology(English edition) 2013年第4期6卷 463-466页

作者： Dong Min Cha Kyung-Hoon Shin Keun Ho Kim ji-won kwon Department of Ophthalmology Jeju National University College of Medicine Jeju National University Hospital Department of Ophthalmology Myongji HospitalKwandong University College of Medicine

AIM:To evaluate and report the efficacy of combined surgical excision and corneal tattooing in patients with limbal dermoids.·METHODS:In a retrospective interventional case series,9 eyes of 8 patients were treated with combined surgery of simple keratectomy and corneal tattooing for limbal *** records,including best-corrected visual acuity,anterior segment photography,demographic,clinical data,and follow-up information were reviewed.·RESULTS:The mean follow up period in this study was 50±15(range 36-77) *** was no evidence of infection or recurrent limbal dermoids in any of the eyes during the follow-up *** patients achieved good cosmetic outcomes with no complications.·CONCLUSION:Simple keratectomy and corneal tattooing of limbal dermoids could be an alternative option for surgery,especially when a donor cornea is not available.

关键词： corneal tattooing limbal dermoid simple keratectomy

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Unilateral spontaneous lens absorption and dislocation of the empty capsular bag into the anterior chamber

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International Journal of Ophthalmology(English edition) 2017年第1期10卷 161-164页

作者： Bo Hee Kim Deoksun Cha Sunmin Yim ji-won kwon won Ryang Wee Young Keun Han Department of Ophthalmology Seoul National University College of MedicineSeoul 03080Korea Department of Ophthalmology Seoul Metropolitan Gover-nment Seoul National University Boramae Medical CenterSeou107061Korea Department of Ophthalmology Myongji Hospital Seonam University College of MedicineGoyang 10475Korea

Cases involving spontaneous aphakic change in the visual axis are rare in Outpatient Clinics. However, we can often ascertain the past events affecting the patient＇s eye by examining its current status. The placement of the dislocated internal material of the lens, the remnant lens capsular bag status, lens and zonular status of the contralateral eve.

关键词： Unilateral spontaneous lens absorption and dislocation of the empty capsular bag into the anterior chamber Figure IOL

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Generation of double knockout cattle via CRISPR-Cas9 ribonucleoprotein(RNP)electroporation

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Journal of Animal Science and Biotechnology 2024年第1期15卷 456-462页

作者： Gyeong-Min Gim Kyeong-Hyeon Eom Dong-Hyeok kwon Dae-jin Jung Dae-Hyun Kim Jun-Koo Yi Jae-Jung Ha ji-Hyun Lee Seong-Beom Lee Woo-Jae Son Soo-Young Yum won-Wu Lee Goo Jang Laboratory of Theriogenology and Biotechnology Department of Veterinary Clinical ScienceCollege of Veterinary Medicine and the Research Institute of Veterinary ScienceSeoul National UniversitySeoulRepublic of Korea LARTBio Co. Ltd.SeoulRepublic of Korea Gyeongsangbukdo Livestock Research Institute YeongjuRepublic of Korea Comparative Medicine Disease Research Center Seoul National UniversitySeoulRepublic of Korea

Background Genome editing has been considered as powerful tool in agricultural ***,genome editing progress in cattle has not been fast as in other mammal species,for some disadvantages including long gestational periods,single pregnancy,and high raising ***,technically demanding methods such as microinjection and somatic cell nuclear transfer(SCNT)are needed for gene editing in *** this point of view,electroporation in embryos has been risen as an *** First,editing efficiency of our electroporation methods were tested for *** of mutation on embryo was confirmed by T7E1 *** first combination,mutation rates for MSTN and PRNP were 57.6%±13.7%and 54.6%±13.5%,*** case of MSTN/BLG,mutation rates were 83.9%±23.6%for MSTN,84.5%±18.0%for ***,the double-KO embryos were transferred to surrogates and mutation rate was identified in resultant calves by targeted deep *** recipients were transferred for MSTN/PRNP,4 calves were delivered,and one calf underwent an induction for double *** surrogates were given double-KO embryos for MSTN/BLG,and four of the six calves that were born had mutations in both *** These data demonstrated that production of genome edited cattle via electroporation of RNP could be effectively ***,MSTN and PRNP from beef cattle and MSTN and BLG from dairy cattle have been born and they will be valuable resources for future precision breeding.

关键词： Beta-lactoglobulin Cattle CRISPR-Cas9 Electroporation Knockout MSTN PRNP

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Catalpa bignonioides extract improves exercise performance through regulation of growth and metabolism in skeletal muscles

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Asian Pacific Journal of Tropical Biomedicine 2024年第2期14卷 47-54页

作者： Hoibin Jeong Dong-joo Lee Sung-Pil kwon SeonJu Park Song-Rae Kim Seung Hyun Kim Jae-Il Park Deug-chan Lee Kyung-Min Choi wonWoo Lee ji-won Park Bohyun Yun Su-Hyeon Cho Kil-Nam Kim Seoul Center Korea Basic Science InstituteSeoul 02841Republic of Korea Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Research&Development Center Chungdam CDC JNPharm LLC.Chuncheon 24341Republic of Korea Department of Biomedical Technology Kangwon National UniversityChuncheon 24341Republic of Korea Yonsei Institute of Pharmaceutical Sciences College of PharmacyYonsei UniversityIncheon 21983Republic of Korea Gwangju Center Korea Basic Science InstituteGwangju 61751Republic of Korea Honam National Institute of Biological Resources 99Gohadoan-gilMokpo-siJeollanam-do58762Republic of Korea Department of Bio-analysis Science University of Science&TechnologyDaejeon34113Republic of Korea

Objective:To evaluate the effects of Catalpa bignonioides fruit extract on the promotion of muscle growth and muscular capacity in vitro and in ***:Cell viability was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide *** proliferation was assessed using a 5-bromo-2’-deoxyuridine(BrdU)assay *** blot analysis was performed to determine the protein expressions of related *** effects of Catalpa bignonioides extract were investigated in mice using the treadmill exhaustion test and whole-limb grip strength *** composition analysis was performed using high-performance liquid chromatography(HPLC).Results:Catalpa bignonioides extract increased the proliferation of C2C12 mouse myoblasts by activating the Akt/mTOR signaling *** also induced metabolic changes,increasing the number of mitochondria and glucose metabolism by phosphorylating adenosine monophosphate-activated protein *** an in vivo study,the extract-treated mice showed improved motor abilities,such as muscular endurance and grip ***,HPLC analysis showed that vanillic acid may be the main component of the Catalpa bignonioides extract that enhanced muscle ***:Catalpa bignonioides improves exercise performance through regulation of growth and metabolism in skeletal muscles,suggesting its potential as an effective natural agent for improving muscular strength.

关键词： Catalpa bignonioides Skeletal muscle Cell proliferation Mitochondria Energy metabolism C2C12

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Different cutoff values of methacholine bronchial provocation test depending on age in children with asthma

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World Journal of Pediatrics 2017年第5期13卷 439-445页

作者： Eun Lee Young-Ho Kim Seungbong Han Song-I Yang Young-Ho Jung Ju-Hee Seo Hyo-Bin Kim So Yeon Lee ji-won kwon Soo-Jong Hong Department of Pediatrics Chonnam National University HospitalGwangjuKorea Department of Pediatrics Gyeongsang National University Changwon HospitalChangwonKorea Department of Applied Statistics Gachon UniversitySeongnamKorea Department of Pediatrics Hallym University Sacred Heart HospitalAnyangKorea Department of Pediatrics Bundang CHA Medical CenterCHA University School of MedicineSeongnamKorea Department of Pediatrics Dankook University College of MedicineCheonanKorea Department of Pediatrics Inje University Sanggye Paik HospitalSeoulKorea Department of Pediatrics Childhood Asthma Atopy CenterResearch Center for Standardization of Allergic DiseasesAsan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea Department of Pediatrics Seoul National University Bundang HospitalSeongnamKorea

Background:Bronchial hyperresponsiveness (BHR) is a fundamental pathophysiological characteristic of *** several factors such as airway caliber can affect BHR,no study has established age-dependent cutoff values of BHR to methacholine for the diagnosis of asthma in *** investigated the cutoff values of the methacholine challenge test (MCT) in the diagnosis of asthma according to ***:A total of 2383 individuals aged from 6 to 15 years old were included in this *** using the five-breath technique were performed in 350 children with suspected asthma based on symptoms by pediatric allergists and in 2033 healthy children from a general population-based *** determined the provocative concentration of methacholine producing a 20% decrease in forced expiratory volume in 1 second from baseline (PC20).A modified Korean version of the International Study of Asthma and Allergies in Childhood questionnaire was used to distinguish asthmatics and healthy *** characteristic curve analysis was used to assess the cutoff value of PC20 for the diagnosis of ***:Cutoff values of methacholine PC20,which provided the best combination of diagnostic sensitivity and specificity,showed an increasing pattern with age:5.8,9.1,11.8,12.6,14.9,21.7,23.3,21.1,21.1,and 24.6 mg/mL at ages 6,7,8,9,10,11,12,13,14,and 15 years,***:The application of different cutoff values of methacholine PC20 depending on age might be a practical modification for the diagnosis of asthma in children and adolescents with asthmatic symptoms.

关键词： asthma bronchial hyperresponsiveness cutoff value receiver-operator characteristics

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Capsosiphon fulvescens suppresses LPS-stimulated inflammatory responses by suppressing TLR4/NF-κB activation in RAW264.7 murine macrophages

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Asian Pacific Journal of Tropical Biomedicine 2024年第3期14卷 115-126页

作者： Seon Yeong ji Eunjin Bang Hyun Hwangbo Min Yeong Kim Da Hye Kim Su Hyun Hong Shin-Hyung Park Chang-Young kwon Gi-Young Kim You-jin Jeon Suengmok Cho Yung Hyun Choi Department of Biochemistry Dong-eui University College of Korean MedicineBusan 47227Republic of Korea Basic Research Laboratory for the Regulation of Microplastic-Mediated Diseases and Anti-Aging Research Center Dong-eui UniversityBusan 47227Republic of Korea Department of Pathology Dong-eui University College of Korean MedicineBusan 47227Republic of Korea Department of Oriental Neuropsychiatry Dong-eui University College of Korean MedicineBusan 47227Republic of Korea Department of Marine Life Science Jeju National UniversityJeju 63243Republic of Korea Department of Food Science and Technology/Institute of Food Science Pukyong National UniversityBusan 48513Republic of Korea

Objective:To evaluate the effects of Capsosiphon fulvescens(***)ethanolic extract on inflammation in lipopolysaccharide(LPS)-induced RAW296.7 ***:The protective effects of *** ethanolic extract on LPS-induced inflammation in RAW264.7 macrophages were assessed using biochemical analysis,including enzyme-linked immunosorbent assay,quantitative reverse transcription-polymerase chain reaction,and Western blot *** examine reactive oxygen species(ROS)production,flow cytometry analysis,and immunofluorescence staining were ***,the modulatory effect of *** ethanolic extract on NF-κB activation was ***:*** ethanolic extract significantly attenuated LPS-induced levels of pro-inflammatory cytokines and notably reduced the secretion and mRNA levels of LPS-mediated matrix *** addition,*** ethanolic extract decreased ROS production and suppressed the TLR4/NF-κB signaling ***:*** ethanolic extract alleviates inflammation as well as oxidative stress by modulating the TLR4/NF-κB signaling in LPS-induced RAW264.7 *** can be used as a potential therapeutic agent to suppress inflammation and oxidative stress-associated diseases.

关键词： Capsosiphon fulvescens Inflammation Oxidative stress NF-κB Nrf2 TLR4

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Survival benefit of concurrent chemoradiotherapy for advanced ampulla of Vater cancer

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World Journal of Clinical Cases 2024年第2期12卷 267-275页

作者： Chae Hwa kwon Hyung Il Seo Dong Uk Kim Sung Yong Han Suk Kim Nam Kyung Lee Seung Baek Hong ji Hyun Ahn Young Mok Park Byeong Gwan Noh BioMedical Research Institute Pusan National University HospitalBusan 49241South Korea Department of Surgery Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Internal Medicine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Radiology Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Pathology and Biomedical Research Institute Pusan National University HospitalBusan 49241South Korea

BACKGROUND Currently,there is no standard adjuvant therapy for patients with resected ampulla of Vater(AoV)*** To evaluate the effectiveness of adjuvant concurrent chemoradiotherapy(CCRT)in patients with advanced AoV cancer who underwent curative *** This single-centered,retrospective study included 29 patients with advanced AoV cancer who underwent pancreaticoduodenectomy between 2006 and *** impact of CCRT on advanced AoV cancer was *** The 1-,3-,and 5-yr recurrence-free survival(RFS)rates for patients with advanced AoV cancer were 82.8%,48.3%,and 40.8%,respectively,and the overall survival(OS)rates were 89.7%,62.1%,and 51.7%,***-cular invasion was found to be a significant risk factor for RFS and OS in patients with advanced AoV cancer in the univariate analysis,whereas T stage and lymph node metastasis were significantly associated with OS in the multivariate *** to the patients who did not receive adjuvant CCRT,those who received adjuvant CCRT did not show statistically significant improvements in the RFS and OS,although they had a significantly lower average age and significantly higher platelet-to-lymphocyte *** Adjuvant CCRT did not improve survival outcomes in patients with advanced AoV *** findings contribute to existing knowledge on the effectiveness of CCRT in this patient population and provide important insights for clinical decision-making.

关键词： Advanced ampulla of Vater cancer Adjuvant concurrent chemoradiotherapy Recurrence Survival Vater cancer

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Memristive Devices Based on Two-Dimensional Transition Metal Chalcogenides for Neuromorphic Computing

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Nano-Micro Letters 2022年第4期14卷 29-58页

作者： Ki Chang kwon ji Hyun Baek Kootak Hong Soo Young Kim Ho won Jang Department of Materials Science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoul 08826Republic of Korea Interdisciplinary Materials Measurement Institute Korea Research Institute of Standards and Science(KRISS)Daejeon 34133Republic of Korea Department of Materials Science and Engineering Institute of Green Manufacturing TechnologyKorea UniversitySeoul 02841Republic of Korea Advanced Institute of Convergence Technology Seoul National UniversitySuwon 16229Korea

Two-dimensional(2D)transition metal chalcogenides(TMC)and their heterostructures are appealing as building blocks in a wide range of electronic and optoelectronic devices,particularly futuristic memristive and synaptic devices for brain-inspired neuromorphic computing *** distinct properties such as high durability,electrical and optical tunability,clean surface,flexibility,and LEGO-staking capability enable simple fabrication with high integration density,energy-efficient operation,and high *** review provides a thorough examination of high-performance memristors based on 2D TMCs for neuromorphic computing applications,including the promise of 2D TMC materials and heterostructures,as well as the state-of-the-art demonstration of memristive *** challenges and future prospects for the development of these emerging materials and devices are also *** purpose of this review is to provide an outlook on the fabrication and characterization of neuromorphic memristors based on 2D TMCs.

关键词： Two-dimensional materials Memristors Neuromorphic computing Artificial synapses Transition metal chalcogenides

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Association between donor corneal endothelial cell counts and infectious agent reactivity:an eye bank database analysis

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Annals of Eye Science 2019年第1期4卷 19-22页

作者： Bella J.Wolf ji won kwon Gabriel M.Rand jimmy K.Lee Patrick K.Gore Moonseong Heo Roy S.Chuck Department of Ophthalmology and Visual ciences Montefiore Medical CenterAlbert Einstein College of MedicineNew YorkNYUSA Department of Ophthalmology Myongji HospitalSeonam University College of MedicineGoyangKorea Lions Eye Institute for Transplant&Research TampaFloridaUSA Saving Sight Eye Bank Kansas CityMissouriUSA Department of Epidemiology and Population Health at Einstein Montefiore Medical CenterAlbert Einstein College of MedicineBronxNew YorkUSA

Background:To evaluate the association between corneal central endothelial cell count(CECC)with reactivity for hepatitis B virus(HBV),hepatitis C virus(HCV),human immunodeficiency virus(HIV),human T-lymphotropic virus-1(HTLV1),and syphilis from an eye bank ***:Eye bank data included 19,159 donors and 38,318 corneas screened for HBV,HCV,HIV,HTLV1,and syphilis from July 2007-May *** and binary mixed effects models were used to determine the adjusted marginal effect a positive viral screening test had on CECC and morphology,*** models were adjusted for age,race,gender,lens status,and death to *** with missing data were excluded from the *** significance was defined as P values<***:A total of 18,097 donors and 35,136 corneas were included in the final *** CECC for eyes with negative viral screening was 2,597±436 while the average CECC for eyes screening positive for syphilis,HBV,HCV,HIV,and HTLV1 were 2,638±392(P=0.073),2,569±419(P=0.815),2,603±363(P=0.207),2,615±360(P=0.733),and 2,625±436(P=0.362)***:The presence of HBV,HCV,HIV,HTLV1,and syphilis display no association with a statistically significant difference in CECC when compared to normal non-diseased donors.

关键词： Eye bank endothelial cell count infectious reactivity hepatitis B virus(HBV) syphilis

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