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Prostate-specific antigen density predicts favorable pathology and biochemical recurrence in patients with intermediate-risk prostate cancer

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Asian Journal of Andrology 2016年第3期18卷 480-484,I0012页

作者： Ho Won Kang Hae Do Jung Joo Yong Lee Jong Kyou Kwon seong uk jeh Kang Su Cho Won Sik Ham Young Deuk Choi Department of Urology Chungbuk National University College of Medicine Cheongju Korea Department of Urology Severance Hospital Urological Science InstituteYonsei University College of Medicine Seoul Korea Department of Urology. Inje university Haeundae Paik Hospital Busan Korea Department of Urology Gyeongsang National University School of Medicine Jinju Korea Department of Urology Gangnam Severance Hospital Urological Science Institute Yonsei University Uollege of Medicine Seoul Korea Robot and Minimal Invasive Surgery Center Severance Hospital Yonsei University College of Medicine Seoul Korea.

This study was designed to identify clinical predictors of favorable pathology and biochemical recurrence （BCR） in patients with intermediate-risk prostate cancer （IRPCa）. Between 2006 and 2012, clinicopathological and oncological data from 203 consecutive men undergoing robot-assisted radical prostatectomy （RARP） for IRPCa were reviewed in a single-institutional retrospective study. Favorable pathology was defined as Gleason score 〈6 and organ-confined cancer as detected by surgical pathology. Logistic regression analysis was used to determine predictive variables of favorable pathology, and the Kaplan-Meier and multivariate Cox regression model were used to estimate BCR-free survival after RARP. Overall, 38 patients （18.7%） had favorable pathology after RARP. Lower quartile prostate-specific antigen density （PSAD） was associated with favorable pathology compared to the highest quartile PSAD after adjusting for preoperative PSA, clinical stage and biopsy Gleason score （odds ratio, 5.42; 95% confidence interval, 1.01-28.97; P = 0.048）. During a median 37.8 （interquartile range, 24.6-60.2） months of follow-up, 66 patients experienced BCR. There were significant differences with regard to BCR free survival by PSAD quartiles （log rank, P = 0.003）. Using a multivariable Cox proportion hazard model, PSAD was found to be an independent predictor of BCR in patients with IRPCa after RARP （hazard ratio, 4.641; 95% confidence interval, 1.109-19.417; P = 0.036）. The incorporation of the PSAD into risk assessments might provide additional prognostic information and identify some patients in whom active surveillance would be appropriate in patients with IRPCa.

关键词： biochemical recurrence prostatectomy prostate-specific antigen prostate-specific antigen density prostatic neoplasms

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Prevalence and risk factors of wound complications after transtibial amputation in patients with diabetic foot

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World Journal of Diabetes 2024年第4期15卷 629-637页

作者： Young uk Park seong Hyuk Eim Young Wook Seo Department of Orthopedic Surgery Ajou University School of MedicineAjou University HospitalSuwon 16499South Korea

BACKGROUND Diabetic foot(DMF)complications are common and are increasing in *** factors related to wound complications are yet to be established after transtibial amputation under the diagnosis of DMF *** To analyze the prognosis and risk factors related to wound complications after transtibial amputation in patients with *** This retrospective cohort study included seventy-two patients with DMF complications who underwent transtibial amputation between April 2014 and March *** groups were categorized based on the occurrence of wound complications,and we compared demographic data between the complication group and the non-complication group to analyze risk ***,a multivariate logistic regression analysis was performed to identify risk *** The average follow-up period was 36.2 *** the 72 cases,31(43.1%)had wound *** these,12 cases(16.7%)received further treatment,such as debridement,soft tissue stump revision,and re-amputation at the proximal *** a group that required further management due to wound complications after transtibial amputation,the hemoglobin A1c(HbA1c)level was 9.32,while the other group that did not require any treatment had a 7.54 HbA1c *** prevalence of a history of kidney transplantation with wound complications after transtibial amputation surgery in DMF patients was significantly greater than in cases without wound complications(P=0.02).Other factors did not show significant *** Approximately 43.1%of the patients with transtibial amputation surgery experienced wound complications,and 16.7%required additional surgical *** HbA1c levels and kidney transplant history are risk factors for postoperative wound complications.

关键词： Diabetic foot Transtibial amputation Wound complications Risk factor

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Enhancement of porcine in vitro embryonic development through luteolin‑mediated activation of the Nrf2/Keap1 signaling pathway

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Journal of Animal Science and Biotechnology 2024年第2期15卷 600-613页

作者： Se-Been Jeon Pil-Soo Jeong Min Ju Kim Hyo-Gu Kang Bong-Seok Song Sun-uk Kim seong-Keun Cho Bo-Woong Sim Futuristic Animal Resource&Research Center(FARRC) Korea Research Institute of Bioscience and Biotechnology(KRIBB)Cheongju 28116Republic of Korea Department of Animal Science College of Natural Resources&Life SciencePusan National UniversityMiryang 50463Republic of Korea Department of Animal Science and Biotechnology College of Agriculture and Life ScienceChungnam National UniversityDaejeon 34134Republic of Korea Department of Functional Genomics University of Science and TechnologyDaejeon 34113Republic of Korea Department of Animal Science Life and Industry Convergence Research Institute(RICRI)College of Natural Resources&Life SciencePusan National UniversityMiryang 50463Republic of Korea

Background Oxidative stress,caused by an imbalance in the production and elimination of intracellular reactive oxygen species(ROS),has been recognized for its detrimental effects on mammalian embryonic ***(Lut)has been documented for its protective effects against oxidative stress in various ***,its specific role in embryonic development remains *** study aims to investigate the influence of Lut on porcine embryonic development and to elucidate the underlying *** After undergoing parthenogenetic activation(PA)or in vitro fertilization,embryos supplemented with 0.5μmol/L Lut displayed a significant enhancement in cleavage and blastocyst formation rates,with an increase in total cell numbers and a decrease in the apoptosis rate compared to the *** on D2 and D6 revealed that embryos with Lut supplementation had lower ROS levels and higher glutathione levels compared to the ***,Lut supplementation significantly augmented mitochondrial content and membrane ***,activation of the Nrf2/Keap1 signaling pathway was observed in embryos supplemented with Lut,leading to the upregulation of antioxidant-related gene transcription *** further validate the relationship between the Nrf2/Keap1 signaling pathway and effects of Lut in porcine embryonic development,we cultured PA embryos in a medium supplemented with brusatol,with or without the inclusion of *** positive effects of Lut on developmental competence were negated by brusatol *** Our findings indicate that Lut-mediated activation of the Nrf2/Keap1 signaling pathway contributes to the enhanced production of porcine embryos with high developmental competence,and offers insight into the mechanisms regulating early embryonic development.

关键词： Luteolin Mitochondrial function Nrf2/Keap1 signaling pathway Oxidative stress Porcine embryo development

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Interworking between Modbus and internet of things platform for industrial services

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Digital Communications and Networks 2024年第2期10卷 461-471页

作者： Sherzod Elamanov Hyeonseo Son Bob Flynn seong Ki Yoo Naqqash Dilshad JaeSeung Song Department of Convergence Engineering for Intelligent Drone Sejong UniversitySouth Korea SyncTechno Inc South Korea Exacta Global Smart Solutions USA Coventry University UK

In the era of rapid development of Internet of Things(IoT),numerous machine-to-machine technologies have been applied to the industrial *** to the divergence of IoT solutions,the industry is faced with a need to apply various technologies for automation and *** fact leads to a demand for an establishing interworking mechanism which would allow smooth interoperability between heterogeneous *** of the major protocols widely used today in industrial electronic devices is ***,data generated by Modbus devices cannot be understood by IoT applications using different protocols,so it should be applied in a couple with an IoT service layer ***2M,a global IoT standard,can play the role of interconnecting various protocols,as it provides flexible tools suitable for building an interworking framework for industrial ***,in this paper,we propose an interworking architecture between devices working on the Modbus protocol and an IoT platform implemented based on oneM2M *** the proposed architecture,we introduce the way to model Modbus data as oneM2M resources,rules to map them to each other,procedures required to establish interoperable communication,and optimization methods for this *** analyze our solution and provide an evaluation by implementing it based on a solar power management use *** results demonstrate that our model is feasible and can be applied to real case scenarios.

关键词： Internet of things Interoperability Interworking Modbus oneM2M

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Comparative associations of non-alcoholic fatty liver disease and metabolic dysfunction-associated steatotic liver disease with risk of incident chronic kidney disease:a cohort study

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Hepatobiliary Surgery and Nutrition 2024年第5期13卷 801-813,I0003-I0005页

作者： Ji Hye Heo Mi Yeon Lee seong Hwan Kim Ming-Hua Zheng Christopher D.Byrne Giovanni Targher Ki-Chul Sung Department of Internal Medicine Hallym University College of MedicineChuncheonRepublic of Korea Division of Biostatistics Department of R&D ManagementKangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulRepublic of Korea Division of Cardiology Department of Internal MedicineKorea University Ansan HospitalAnsanRepublic of Korea MAFLD Research Center Department of HepatologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina Wenzhou Key Laboratory of Hepatology WenzhouChina Institute of Hepatology Wenzhou Medical UniversityWenzhouChina Key Laboratory of Diagnosis and Treatment for the Development of Chronic Liver Disease in Zhejiang Province WenzhouChina Nutrition and Metabolism Faculty of MedicineUniversity of SouthamptonSouthamptonUK Southampton National Institute for Health and Care Research Biomedical Research CentreUniversity Hospital SouthamptonSouthamptonUK Metabolic Diseases Research Unit IRCCS Sacro Cuore-Don Calabria HospitalNegrar di ValpolicelleItaly Division of Cardiology Department of Internal MedicineKangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulRepublic of Korea

Background:We examined the comparative associations between non-alcoholic fatty liver disease(NAFLD)and metabolic dysfunction-associated steatotic liver disease(MASLD)definitions with risk of developing chronic kidney disease(CKD)and abnormal ***:We conducted a cohort study of 214,145 Korean adults with normal kidney function at baseline who underwent liver *** were further subdivided into no steatotic liver disease(no-SLD),NAFLD-only,MASLD-only,both NAFLD and MASLD,and SLD not categorized as NAFLD or MASLD *** proportional hazards models were used to analyze the risk of incident CKD and ***:Compared with either the no-NAFLD or no-MASLD groups,the NAFLD and MASLD groups were associated with a higher risk of incident CKD(NAFLD:adjusted hazard ratio(HR),1.18[95%CI,1.01-1.38];MASLD:adjusted HR,1.21[95%CI,1.04-1.39]).Among the five subgroups,both NAFLD and MASLD group had the strongest association with risk of incident CKD(adjusted HR,1.21[95%CI,1.04-1.42]).The MASLD-only group had the strongest association with incident abnormal albuminuria,with an adjusted HR comparable to that of the both NAFLD and MASLD group(adjusted HR 1.96[95%CI,1.44-2.67]for the MASLD-only,and adjusted HR 1.98[95%CI,1.58-2.49]for the both NAFLD and MASLD group versus the no-SLD group).The NAFLD-only group was not independently associated with risk of CKD or abnormal ***:These findings suggest that MASLD definition identifies individuals at high risk of developing incident CKD or abnormal albuminuria better than NAFLD definition.

关键词： Metabolic dysregulation non-alcoholic fatty liver disease(NAFLD) metabolic syndrome chronic kidney disease(CKD) albuminuria

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A new strengthening mechanism driven by disruptive shear and solute segregation during warm rolling in 1.4 GPa class 12.5 wt% Al added-FeMnC ultra-lightweight steel

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Journal of Materials Science & Technology 2023年第26期157卷 174-188页

作者： Chiwon Kim Hyun-uk Hong Joonoh Moon Bong Ho Lee seong-Jun Park Chang-Hoon Lee Department of Materials Convergence and System Engineering Changwon National University 20 Changwondaehak-roChangwonGyeongnam 51140Republic of Korea Advanced Analysis Team Daegu Gyeongbuk Institute of Science and Technology 333 Technojungang-daeroDaegu42988Republic of Korea Ferrous Alloy Department Korea Institute of Materials Science 797 ChangwondaeroChangwonGyeongnam 51508Republic of Korea

Novel strengthening of Fe-29.1Mn-12.5Al-1.35C-4.95Cr steel achieved by warm rolling was *** solution-treated steel consisted of aγ-matrix containing nano-sizedκ-carbide((Fe,Mn)_(3) AlC)and elongated prior ferrite,which was transformed into FeAl-type B2 and Fe_(3) Al-type D0_(3) *** solution-treated steel exhibited poor strain hardening owing to glide softening associated withκ-carbide shearing by ***,after warm rolling with a reduction ratio of 30%at 300℃,the yield and tensile strengths significantly increased from 917 to 1300 MPa and 1025 to 1419 MPa,*** tensile test conducted at 300℃to simulate warm rolling exhibited serrated flows,indicating dy-namic strain aging(DSA).Atom probe tomography exhibited that the C atoms inκ-carbide were swept away along the slip direction by disruptive shear during rolling at 300℃.The swept C atoms along the slip direction interacted strongly with dislocations at 300℃,with repeated pinning and breakaway of dislocations from the C *** contributed to significant strengthening owing to the formation of a solute-rich atmosphere after warm *** results of the tensile tests at 300℃indicated that the de-gree of strengthening was proportional to the pre-strain *** strength of 1.4 GPa can be achieved with good ductility(17%elongation)by warm *** novel warm-rolling strengthening method ex-pedites the potential application of Fe-29.1Mn-12.5Al-1.35C-4.95Cr as a 1.4 GPa class ultra-lightweight steel.

关键词： FeMnAlC Cr addition κ-carbide Dynamic strain aging Strengthening

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Fiber-based quantum-dot pulse oximetry for wearable health monitoring with high wavelength selectivity and photoplethysmogram sensitivity

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npj Flexible Electronics 2023年第1期7卷 413-424页

作者： Ho Seung Lee Byeongju Noh seong uk Kong Yong Ha Hwang Ha-Eun Cho Yongmin Jeon Kyung Cheol Choi School of Electrical Engineering Korea Advanced Institute of Science and Technology(KAIST)DaejeonRepublic of Korea Department of Biomedical Engineering Gachon UniversitySeongnamRepublic of Korea

Increasing demand for real-time healthcare monitoring is leading to advances in thin and flexible optoelectronic device-based wearable pulse *** previous studies have used OLEDs for this purpose,but did not consider the side effects of broad full-width half-maximum(FWHM)characteristics and single *** this study,we performed SpO_(2)measurement using a fiber-based quantum-dot pulse oximetry(FQPO)system capable of mass production with a transferable encapsulation technique,and a narrow FWHM of about 30 *** on analyses we determined that uniform angular narrow FWHM-based light sources are important for accurate SpO_(2)measurements through multi-layer structures and human skin *** FQPO was shown to have improved photoplethysmogram(PPG)signal sensitivity with no waveguide-mode noise signal,as is typically generated when using a single substrate(30–50%).We successfully demonstrate improved SpO_(2)measurement accuracy as well as all-in-one clothing-type pulse oximetry with FQPO.

关键词： pulse waveguide quantum

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T cell epitopes in SARS-CoV-2 proteins are substantially conserved in the Omicron variant

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Cellular & Molecular Immunology 2022年第3期19卷 447-448页

作者： seong Jin Choi Dong-uk Kim Ji Yun Noh Sangwoo Kim Su-Hyung Park Hye Won Jeong Eui-Cheol Shin Division of Infectious Disease Department of Internal MedicineSeoul National University HospitalSeoulRepublic 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 MedicineKorea University College of MedicineSeoulRepublic of Korea Department of Biomedical Systems Informatics Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoulRepublic of Korea Department of Internal Medicine Chungbuk National University College of MedicineCheongjuRepublic of Korea The Center for Viral Immunology Korea Virus Research InstituteInstitute for Basic Science(IBS)DaejeonRepublic of Korea

In November 2021,the Omicron variant(B.1.1.529)emerged and was designated a variant of concern(VOC)by the World Health ***,Omicron was reported to extensively escape neutralizing antibodies elicited by COVID-19 vaccination or natural infection[1,2,3].However,whether Omicron evades the T cell immunity elicited by COVID-19 vaccination or natural infection remains to be *** address this issue,we analyzed the amino acid sequences of T cell epitopes identified from the original SARS-CoV-2 strain(Wuhan-Hu-1)in the Omicron variant(hCoV-19/South Africa/CERI-KRISP-K032284/2021).

关键词： neutral conserved elucidated

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Effect of the herbal medicine Danggui Sini plus Wuzhuyu Shengjiang Tang on erythrocyte deformability in normal subjects: a cross-over trial

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Journal of Traditional Chinese Medicine 2018年第5期38卷 769-772页

作者： JiEun Lee Seung-Yeon Cho seong-uk Park Woo-Sang Jung Sang-Kwan Moon Jung-Mi Park Chang-Nam Ko Ki-Ho Cho Seungwon Kwon Department of Cardiology and Neurology College of Korean Medicine Kyung Hee University

OBJECTIVE: To show whether Danggui Sini plus Wuzhuyu Shengjiang Tang(DSWST) has any transient effect on erythrocyte deformability in normal ***: A total of 25 subjects [mean age(27.8± 1.8) years] was enrolled in this study. The study was designed as a cross-over trial in which the subjects took part for 2 d. On the first day, blood samples were collected at baseline and 1-2 h after administration of water, whereas, on the second day, instead of water, the subjects were administered DSWST after the baseline blood sampling. The blood samples collected at baseline and after the administration water or DSWST, were examined for erythrocyte ***: The elongation index increased significantly after 2 h(P = 0.009) compared to the baseline after DSWST intake. However, after water intake, there was no significant differenceobserved. When comparing the percent change of erythrocyte deformability between DSWST and water, we found that after 2 h of administration,DSWST improved erythrocyte deformability significantly compared to water(P < 0.001).CONCLUSION: DSWST has a transient effect on erythrocyte deformability in normal subjects.

关键词： Erythrocyte deformability Peptide elongation factors Raynaud disease Coldness of hands and feet Cross-over studies Danggui Sini plus Wuzhuyu Shengjiang Tang

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Neuroprotective Effect of Chunghyuldan(Qing Xue Dan)on Hypoxia-Reoxygenation Induced Damage of Neuroblastoma 2a Cell Lines

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Chinese Journal of Integrative Medicine 2013年第12期19卷 940-944页

作者： Chang-Nam Ko In-Seo Park seong-uk Park Woo-Sang Jung Sang-Kwan Moon Jung-Mi Park Chulhun Kang Ki-Ho Cho Department of Cardiology and Neurology Diseases College of Korean MedicineKyung Hee University Department of Medical Science Graduate School of East-West Medical ScienceKyung Hee University

Objectives： Chunghyuldan （CHD）, a combinatorial drug that has anti-hyperlipidemic and anti inflammatory activities, has been shown to reduce infarct volume in a focal ischemia-reperfusion rat model. To explore the molecular basis of CHD＇s neuroprotective effect, we examined whether CHD shows a cell-protective activity and has a regulatory effect on Bax and/or B-cell leukemia/lymphoma 2 （Bcl-2） expression in mouse neuroblastoma 2a （N2a） cells subjected to hypoxia-reoxygenation （H/R）. Methods： In order to evaluate the effects of CHD on the cytotoxicity induced from hypoxia or H/R condition, lactate dehydrogenase （LDH） assay was performed. To explore whether the suppression of neural damage when pre-treated with CHD is associated with its anti-apoptotic effect, the CHD effect on the expression of Bcl-2 and Bax was analyzed by Western blotting analysis. Results： Cytotoxicity of N2a cell line was slightly increased in 42 h hypoxia condition and dramatically increased under the H/R condition. CHD treatment markedly decreased the cytotoxicity in both conditions （P〈0.01, P〈0.05）. H/R markedly increased the expression of the pro-apoptotic protein, Bax, but slightly increased the expression of the anti-apoptotic protein, Bcl-2, compared with the normoxia or hypoxia group. CHD significantly decreased Bax expression （P〈0.01） and slightly decreased Bcl-2 expression （P〉0.05）, resulted in a reduction of Bax/Bcl-2 ratio in N2a cells subjected to H/R. Conclusion： CHD has neuroprotective effect in N2a cells subjected to H/R, which might be derived at least in part from its ability to decrease the expression of the pro-apoptotic protein, Bax.

关键词： apoptosis stroke Chunghyuldan herbal

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