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The prognostic significance of percentage of tumour involvement according to disease risk group in men treated with radical prostatectomy

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Asian Journal of Andrology 2011年第6期13卷 828-832页

作者： Jong Jin Oh Sang Cheol Lee Chang Wook jeong Cheol Yong Yoon Seong Jin jeong Sung Kyu Hong Seok-Soo Byun Yoon Kwan Rho Gheeyoung Choe Sang eun Lee Department of Urology Seoul National University Bundang Hospital Seongnam Kyunggi-do 463-707 Korea Department of Pathology Seoul National University Bundang Hospital Seongnam Kyunggi-do 463-707 Korea

We investigated the prognostic significance of percentage of tumour involvement （PTI） according to the clinicopathological features of prostate cancer among patients who underwent radical prostatectomy （RP）. A retrospective study of 534 patients who underwent RP between September 2003 and March 2008 without any neoadjuvant or adjuvant therapy was performed. The associations of PTI with various clinicopathological features and biochemical recurrence-free survival were examined via uni- and multivariate analyses. The predictive accuracy of the multivariate model was assessed with a receiver operating characteristics-derived area under the curve. PTI was demonstrated to be significantly associated with preoperative prostate-specific antigen （PSA） level （P=0.001）, pathological Gleason score （P〈0.001）, extraprostatic tumour extension （P〈0.001）, seminal vesicle invasion （P〈0.001） and positive surgical margin （P〈0.001） in univariate analyses. When patients were stratified into disease risk groups, PTI was an independent predictor of biochemical recurrence-free survival in multivariate analysis only among the low-risk group （P=0.033） but not the intermediate- （P=0.287） or the high-risk groups （P=0.828）. The addition of the PTI did not significantly increase the accuracy of the multivariate model devised for the prediction of biochemical recurrence-free survival among both total patients （P=-0.459） and the low-risk group （P=0.268）, respectively. In conclusion, although PTI appeared to be a more significant prognostic factor among patients with low-risk disease than among those with higher risk diseases, overall, the PTI may not provide additional prognostic information beyond what can already be obtained via established prognostic factors.

关键词： biochemical recurrence-free survival percentage of tumour involvement prognosis prostate cancer prostatectomy

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Γ-Aminobutyric acid promotes methionine-choline deficient diet-induced nonalcoholic steatohepatitis

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The Journal of Biomedical Research 2017年第1期31卷 65-73页

作者： Yoon Seok Roh Ara Cho Zixiong Zhou Hyuneui jeong jeong-eun Park Youn-Soo Cha Suk-Heung Oh Chae-Woong Lim Bumseok Kim Biosafety Research Institute and Laboratory of Pathology College of Veterinary Medicine Chonbuk National University lksan-si Jeollabuk-do 54596 Republic of Korea Department of Food Science and Human Nutrition Fermented Food Research Center Chonbuk National University Jeonju-si Jeollabuk-do 54896 Republic of Korea Department of Food & Biotechnology Woosuk University Jeonju 565701 Republic of Kore Animal Disease & Biosecurity Team National Institute of Animal Science Rural Development Administration Wanjugun 55365 Republic of Korea

Nonalcoholic steatohepatitis（NASH） is one of the most common liver diseases and a major cause of liver fibrosis worldwide.r-Aminobutyric acid（GABA） is one of the most abundant inhibitory neurotransmitters in the central nervous ***,it has been reported that GABAergic signaling pathways are found in various non-neuronal tissues including the immune system and play a functional *** the present study,we investigated whether administration of GABA has effects on NASH through its immunomodulatory *** test this hypothesis,C57BL/6 mice were fed a methionine-choline-deficient（MCD） diet for 8 *** four weeks into MCD feeding,mice were provided with plain water（control） or water containing 2 mg/mL of GABA for the subsequent 4 *** this MCD diet-induced NASH model,we found that mice receiving GABA showed more severe steatohepatitis and liver fibrosis than control *** increased liver damage was confirmed by higher levels of serum alanine transaminase（ALT） and aspartate aminotransferase（AST） compared to the control *** accordance with increased liver steatohepatitis,NASH-related and inflammatory gene expression（collagen al,tissue inhibitor of metalloproteinase-1,TNF-α） in the liver was markedly increased in GABA-treated ***,GABA directly enhanced production of inflammatory cytokines including IL-6 and TNF-α in LPS activated RAW macrophage cells and increased TIB-73 hepatocyte *** effects were abolished when GABA was treated with bicuculline,a competitive antagonist of GABA *** results suggest that oral administration of GABA may be involved in changes of the liver immune milieu and conferred detrimental effects on NASH progression.

关键词： Γ-Aminobutyric acid nonalcoholic steatohepatitis methionine-choline-deficient diet mice GABA

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Dominance of Brassica and No Effects of Raphanus in Mature Seed Production in Intergeneric Hybrid between Brassica rapa ssp. Pekinensis and Raphanus

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American Journal of Plant Sciences 2022年第3期13卷 416-432页

作者： Soo-Seong Lee Cho Yee Son eunsil Kim Hosub Shin jeong eun Park Seung Hwa Yu Jin Hoe Huh BioBreeding Institute Anseong Gyeonggi South Korea Department of Agriculture Forestry and Bioresources College of Agriculture & Life Science Seoul National University Seoul South Korea

We succeeded in producing mature seed from a line of Brassica rapa ssp. pekinensis that had been hybridized with Raphanus sativus var. major. Our focus was on dominance of B. rapa ssp. pekinensis;radish (R. sativus var. major) had no influence. Marker tests for similarity showed that the original CR291M-64 x HwiM-2 hybrid was an inbred CR291M-64, rather than a genuine cross;this appears to have resulted from weak self-incompatibility in this strain. The plants from the mature seed bloomed with reddish flowers differently shown up to present. The intergeneric hybrid between Brassica inbred and Raphanus hybrid was very weak in strength compared to the Brassica inbred which was self-pollinated even though the cause of the weak was not identified. The hybrids between Brassica hybrid, dominant and elite recessive, and Raphanus can be developed in large quantities using mature hybrid seed without resorting to ovule culture techniques.

关键词： Intergeneric Hybrid Brassica Dominance No Raphanus Effect Mature Seed

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Naturally occurring mutations in the reverse transcriptase region of hepatitis B virus polymerase from treatment-na?ve Korean patients infected with genotype C2

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World Journal of Gastroenterology 2017年第23期23卷 4222-4232页

作者： Ji-eun Kim So-Young Lee Hong Kim Ki-jeong Kim Won-Hyeok Choe Bum-Joon Kim Department of Biomedical Sciences Microbiology and Immunologyand Liver Research InstituteSeoul National University College of Medicine Department of Microbiology School of MedicineJoong-Ang University Department of Internal Medicine Konkuk University School of Medicine

AIM To report naturally occurring mutations in the reverse transcriptase region(RT) of hepatitis B virus(HBV) polymerase from treatment na?ve Korean chronic patients infected with genotype *** Here, full-length HBV reverse transcriptase RT sequences were amplified and sequenced from 131 treatment na?ve Korean patients chronically infected with hepatitis B genotype C2. The patients had two distinct clinical statuses: 59 patients with chronic hepatitis(CH) and 72 patients with hepatocellular carcinoma(HCC). The deduced amino acids(AAs) at42 previously reported potential nucleos(t)ide analog resistance(NAr) mutation positions in the RT region were analyzed. RESULTS Potential NAr mutations involving 24 positions were found in 79 of the 131 patients(60.3%). Notably, AA substitutions at 2 positions(rt184 and rt204) involved in primary drug resistance and at 2 positions(rt80 and rt180) that functioned as secondary/compensatory mutations were detected in 10 patients(1 CH patient and 9 HCC patients) and 7 patients(1 CH and 6 HCC patients), respectively. The overall mutation frequencies in the HCC patients(3.17%, 96/3024 mutations) were significantly higher than the frequencies in the CH patients(2.09%, 52/2478 mutations)(P = 0.003). In addition, a total of 3 NAr positions, rt80, rt139 and rt204 were found to be significantly related to HCC from treatment na?ve Korean patients. CONCLUSION Our data showed that naturally occurring NAr mutations in South Korea might contribute to liver disease progression(particularly HCC generation) in chronic patients with genotype C2 infections.

关键词： Hepatitis B virus Polymerase Reverse transcriptase Potential nucleos(t)ide analog resistance Chronic hepatitis Hepatocellular carcinoma

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Binary interaction of typhoons Soulik and Cimaron in 2018—Part Ⅰ:Observational characteristics and forecast error

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Tropical Cyclone Research and Review 2021年第1期10卷 32-42页

作者： eun-jeong Cha Sug-gyeong Yun Il-Ju Moon Dong-Hoon Kim Meso-scale Research Team Convergence Meteorological Research DepartmentNational Institute of Meteorological SciencesKorea Meteorological AdministrationSeogwipoRepublic of Korea Typhoon Research Center Jeju National UniversityJejuRepublic of Korea Artificial Intelligence Convergence Research Center Inha UniversityIncheonRepublic of Korea

To understand structural changes and forecast error,a case study of binary typhoons in the western North Pacific(WNP)of 2018 was investigated using best track and reanalysis *** was generated on August 16 and Cimaron was generated on August 18,*** 19 th typhoon Soulik and 20 th typhoon Cimaron co-existed from August 18 to 24 and approached each *** was located on the western side and Cimaron was located on the eastern side of the *** were located approximately 1300 km from each other at 00 UTC August *** Soulik structure began changing around August 22 and became weak and slow,while Cimaron maintained its intensity,size,and moving *** observational evidence is likely caused by the binary interaction between two typhoons within a certain distance and environmental steering flow,such as the location of the North Pacific high and strong jet stream of the northern flank of the North Pacific *** was initially forecasted to make landfall and reach Seoul;however,its track changed from northward to northeastward from August 21 to 23 according to both official guidance and unified model(UM).Four global numerical weather prediction models forecasted different tracks of *** and JGSM forecasted a northward track whereas ECMWF and GFS showed a northeastward track for 12 UTC August 21 through 12 UTC August *** latter models were similar to the best *** track forecast error and spread of Soulik were larger than those of *** mean absolute error of the maximum wind speed of Soulik was similar to the average of total typhoons in 2018.

关键词： Typhoon Soulik Cimaron Binary typhoon interaction Structure change Forecast track Intensity error

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NaF-FeF2 nanocomposite： New type of Na-ion battery cathode material

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Nano Research 2017年第12期10卷 4388-4397页

作者： Insang Hwang Sung-Kyun Jung eun-Suk jeong Hyunchul Kim Sung-Pyo Cho Kyojin Ku Hyungsub Kim Won-Sub Yoon Kisuk Kang Department of Materials Science and Engineering Research Institute of Advanced Materials (RIAM) Seoul National University Seoul 08826 Republic of Korea Department of Energy Science (DOES) Sungkyunkwan University Suwon 16419 Republic of Korea National Center for Inter-University Research Facilities Seoul National University Seou108826 Republic of Korea Neutron Science Division HANARO Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea Center for Nanoparticle Research Institute for Basic Science (IBS) Seoul National University Seou108826 Republic of Korea

Na-ion batteries （NIBs） are considered one of the most attractive alternatives for Li-ion batteries （LIBs） because of the natural abundance of Na and the similarities between the NIB technology and the well-established LIB technology. However, the discovery of high-performance electrode materials remains a key factor in the success of NIBs. Herein, we propose a new type of cathode material for NIBs based on a nanocomposite of an alkali metal fluoride （NaF） and a transition metal fluoride （FeF2）. Although neither of these components is electrochemically active with Na, the nanoscale mixture of the two can deliver a reversible capacity of -125 mAh/g in the voltage range of 1.2--4.8 V vs. Na/Na＋ via an Fe2＋/Fe3＋ redox couple. X-ray absorption spectroscopy reveals that the reversible Na storage is aided by the F-ions due to the decomposition of NaF, which are absorbed on the surface of FeF2, promoting the redox reaction of Fe and triggering the gradual transformation of the mother structure （FeF2） into a new （FeFB-like） host structure for the Na ions. This unique Na-ion storage phenomenon, which is reported for the first time, will introduce an avenue for designing novel cathode materials for NIBs.

关键词： nanocomposite Na-ion batteries NaF FeF2 cathode

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Gut microbiome composition can predict the response to nivolumab in advanced hepatocellular carcinoma patients

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World Journal of Gastroenterology 2021年第42期27卷 7340-7349页

作者： Min-Woo Chung Moon-Ju Kim eun jeong Won Yu jeong Lee Yong-Woon Yun Sung Bum Cho Young-eun Joo Jun-Eul Hwang Woo Kyun Bae Ik-Joo Chung Myung Geun Shin Jong Hee Shin Department of Internal Medicine Chonnam National University Hospital and College of MedicineHwasun 58128Jeollanam-doSouth Korea Department of Parasitology and Tropical Medicine Chonnam National University Medical SchoolHwasun 58128Jeollanam-doSouth Korea Department of Laboratory Medicine Chonnam National University Hwasun HospitalHwasun 58128Jeollanam-doSouth Korea Department of Preventive Medicine Chonnam National University Medical SchoolHwasun-eupHwasun 58128Jeollanam-doSouth Korea Department of Laboratory Medicine Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Immunotherapy has revolutionized the clinical outcomes of intractable cancer *** is known about the intestinal nonpathogenic bacterial composition of hepatocellular carcinoma(HCC)patients treated by *** To determine whether there is a correlation between gut bacterial composition and prognosis in HCC *** From September 2019 to March 2020,we prospectively collected fecal samples and examined the gut microbiome of 8 advanced HCC patients treated with nivolumab as a second-or third-line systemic *** samples were collected before the start of *** samples of patients with progression during treatment were collected at the time of progression,and fecal samples of patients who showed good response to nivolumab were collected after 5-7 mo as *** data from 16S ribosomal RNA sequencing were analyzed using CLC Genomics *** data were analyzed according to therapeutic *** All 8 patients were male,of which 6 had underlying chronic hepatitis B.A higher Shannon index was found in the responders than in the non-responders after nivolumab therapy(P=0.036).The unweighted beta diversity analysis also showed that the overall bacterial community structure and phylogenetic diversity were clearly distinguished according to therapeutic *** was no significant difference in the diversity or composition of the patient gut microbiome according to the immunotherapy *** taxa specific to therapeutic response were designated as follows:Dialister pneumosintes,Escherichia coli,Lactobacillus reteri,Streptococcus mutans,Enterococcus faecium,Streptococcus gordonii,Veillonella atypica,Granulicatella sp.,and Trchuris trichiura for the nonresponders;Citrobacter freundii,Azospirillum *** Enterococcus durans for the *** note,a skewed Firmicutes/Bacteroidetes ratio and a low Prevotella/Bacteroides ratio can serve as predictive markers of non-response,wh

关键词： Microbiome Nivolumab Firmicutes/Bacteroidetes ratio Prevotella/Bacteroides ratio Hepatocellular carcinoma Prognosis

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Multi-directionally wrinkle-able textile OLEDs for clothing-type displays

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npj Flexible Electronics 2020年第1期4卷 288-296页

作者： Seungyeop Choi Woosung Jo Yongmin Jeon Seonil Kwon jeong Hyun Kwon Young Hyun Son Junmo Kim Jun Hong Park Hyuncheol Kim Ho Seung Lee Minwoo Nam eun Gyo jeong jeong Bin Shin Taek-Soo Kim Kyung Cheol Choi School of Electrical Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea Department of Mechanical Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea

A clothing-type wearable display can be utilized in fashion,bio-healthcare,and safety industries as well as smart textiles for the internet of things(IoTs)and wearable *** response to this trend,we demonstrate a textile display that can endure the active movements of a human *** can be applied to any kind of textile,and is durable against conditions such as rain,sweat,and *** a key technology for realizing the multi-directional wrinkle-able textile display,we fabricated a stress-lowering textile platform with an ultrathin planarization layer replicated from the flat surface of *** elastomeric strain buffer for reducing mechanical stress is also inserted into the textile ***,organic light-emitting diodes(OLEDs)with red,green and blue color,thin film transistors(TFTs)fabricated at a low temperature below 150℃,and a washable encapsulation layer blocking both gas and liquid were demonstrated on the textile platform.

关键词： OLEDs IoT directional

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What is the real practice of exercise echocardiographic testing in asymptomatic patients with severe aortic stenosis？

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Chinese Medical Journal 2013年第24期126卷 4649-4654页

作者： eun jeong Cho Sung-Ji Park Jung-eun Song Seol-Hwa Kim Yung-Joo Lee Ji-Hye Gakt Sung-A Chang Sang-Chol Lee Seung Woo Park Division of Cardiology Department of Internal MedicineCardiovascular Imaging Center Cardiac and Vascular CenterSamsung Medical Center Sungkyunkwan University School ofMedicine Seoul Republic of Korea

Background Although exercise testing has been suggested to help predict clinical outcome, limited data are available to guide how exercise Doppler echocardiography （ECG） can be used clinically in asymptomatic patients with aortic stenosis （AS）. The aim of this study was to assess the clinical value of exercise echocardiographic testing in asymptomatic patients with severe AS. Methods Symptom-limited treadmill exercise testing using the modified Bruce protocol was performed in 31 asymptomatic patients （mean age （62＋11） years） with severe AS （aortic valve area 〈1 cm2, peak aortic velocity （AV Vmax）〉4 m/sec, or a mean transaortic pressure gradient （AV mean PG）〉40 mmHg （1 mmHg=0.133 kPa）） with normal left ventricular （LV） systolic function （LV ejection fraction （EF）〉50%）. Clinical symptoms, vital signs, ECG, and Doppler hemodynamics were obtained during and/or immediately after exercise. Results Aortic valve replacement （AVR） was performed in 18 patients during follow-up. The patients who had AVR exhibited higher baseline AV mean PG （51 （35-84） vs. 44 （25.2-57.0） mmHg; P=0.031）. There were no significant differences between the AVR group and non-AVR group including exercise duration （7.47 （2.32-11.59） vs. 7.25 （4.06- 10.52） minutes, P=0.917）, exercise capacity （10.1 （4.6-12.8） vs. 10.1 （7.0-12.8） metabolic equivalents, P=0.675）, and an increment in AV mean PG by exercise （18.5 （3.2-48.0） vs. 12.6 （4.4-32.1） mmHg, P=0.366）. Univariate regression analysis revealed that independent determinant of AVR was the baseline AV mean PG （P=-0.031）. Conclusions Although additional value of exercise ECG was demonstrated, baseline transaortic mean pressure gradient is the major determinant of AVR. Further large-scale prospective studies are required to determine whether surgery should be recommended in the presence of an abnormal exercise ECG in asymptomatic severe AS.

关键词： aortic stenosis exercise echocardiography asymptomatic, aortic valve replacement

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Association of chronic viral hepatitis B with insulin resistance

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World Journal of Gastroenterology 2012年第42期18卷 6120-6126页

作者： jeong Gyu Lee Sangyeoup Lee Yun Jin Kim Byung Mann Cho Joo Sung Park Hyung Hoi Kim JaeHun Cheong Dong Wook jeong Yu Hyun Lee Young Hye Cho Mi Jin Bae eun Jung Choi Department of Family Medicine Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Family Medicine Medical Research InstitutePusan National University HospitalBusan 602-739South Korea Medical Education Unit Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Family Medicine Clinic Yangsan Pusan National University HospitalBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Preventive Medicine and Occupational Medicine Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Family Medicine Dong-A University Medical CenterBusan 602-715South Korea Department of Laboratory Medicine Biomedical Informatics UnitPusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Molecular Biology College of Natural SciencesPusan National UniversityBusan 602-739South Korea

AIM:To investigate the relationship between chronic viral hepatitis B(CVHB) and insulin resistance(IR) in Korean ***:A total of 7880 adults(3851 men,4029 women) who underwent a comprehensive medical examination were enrolled in this *** diagnosed with either diabetes mellitus,or any other disorder that could influence their insulin sensitivity,were ***,metabolic risk factors,hepatitis B surface antigen,hepatitis B surface antibody,hepatitis B core antibody,fasting plasma glucose and insulin were measured for all *** model assessment(HOMA),quantitative insulin check index(QUICKI),and Mf fm index were used for determining insulin *** participant was categorized into a negative,recovery,or CVHB *** compare variables between groups,a t-test and/or one-way analysis of variance were *** correlation coefficients were computed to present the association between insulin resistance and other *** logistic regression analysis was used to assess the independent association between CVHB and ***:The mean age of men and women were 48.9 and 48.6 years,*** in the CVHB group had significantly higher waist circumference [(86.0 ± 7.7 cm vs 87.3 ± 7.8 cm,P = 0.004 in men),(78.3 ± 8.6 cm vs 80.5 ± 8.5 cm,P < 0.001 in women)],cystatin C [(0.96 ± 0.15 mg/dL vs 1.02 ± 0.22 mg/dL,P < 0.001 in men),(0.84 ± 0.15 mg/dL vs 0.90 ± 0.16 mg/dL,P < 0.001 in women)],fasting insulin [(5.47 ± 3.38 U/mL vs 6.12 ± 4.62 U/mL,P < 0.001 in men),(4.57 ± 2.82 U/mL vs 5.06 ± 3.10 U/mL,P < 0.001 in women)] and HOMA index [(1.24 ± 0.86 vs 1.43 ± 1.24,P < 0.001 in men),(1.02 ± 0.76 vs 1.13 ± 0.87,P = 0.033 in women)] compared to control *** HOMA index revealed a positive correlation with body mass index(BMI)(r = 0.378,P < 0.001),waist circumference(r =0.356,P < 0.001),percent body fat(r = 0.296,P < 0.001),systolic blood pressure(r = 0.202,P < 0.001),total cholesterol(r = 0.134,P < 0.00

关键词：胰岛素抵抗病毒性肝炎慢性 Logistic回归分析协会胰岛素敏感性单向方差分析表面抗原

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