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Randomized clinical trial comparing fixed-time split dosing and split dosing of oral Picosulfate regimen for bowel preparation

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World Journal of Gastroenterology 2017年第32期23卷 5986-5993页

作者： Jae Hyuck Jun Koon Hee Han Jong Kyu Park Hyun Il Seo Young Don Kim Sang jin Lee Baek Gyu Jun Min Sik Hwang Yoon Kyoo Park Myeong Jong Kim gab jin cheon Department of Internal Medicine Gangneung Asan Hospital University of Ulsan College of Medicine Catholic Kwandong University

AIM To compare the efficacy of fixed-time split dose and split dose of an oral sodium picosulfate for bowel *** This is study was prospective, randomized controlled study performed at a single Institution(2013-058). A total of 204 subjects were assigned to receive one of two sodium picosulfate regimens(i.e., fixed-time split or split) prior to colonoscopy. Main outcome measurements were bowel preparation quality and subject *** There was no statistical difference between the fixedtime split dose regimen group and the split dose regimen group(Ottawa score mean 2.57 ± 1.91 vs 2.80 ± 2.51, P = 0.457). Cecal intubation time and physician's satisfaction of inspection were not significantly different between the two groups(P = 0.428, P = 0.489). On subgroup analysis, for afternoon procedures, the fixed-time split dose regimen was equally effective as compared with the split dose regimen(Ottawa score mean 2.56 ± 1.78 vs 2.59 ± 2.27, P = 0.932). There was no difference in tolerability or compliance between the two groups. Nausea was 21.2% in the fixed-time split dose group and 14.3% in the split dose group(P = 0.136). Vomiting was 7.1% and 2.9%(P = 0.164), abdominal discomfort 7.1% and 4.8%(P = 0.484), dizziness 1% and 4.8%(P = 0.113), cold sweating 1% and 0%(P = 0.302) and palpitation 0% and 1%(P = 0.330), respectively. Sleep disturbance was two(2%) patients in the fixed-time split dose group and zero(0%) patient in the split dose preparation(P = 0.143) *** A fixed-time split dose regimen with sodium picosulfate is not inferior to a split dose regimen for bowel preparation and equally effective for afternoon colonoscopy.

关键词： Colonoscopy Bowel preparation Split dose preparation Sodium picosulfate Ottawa Bowel Preparation Scale

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Prevalence of clonorchiasis in patients with gastrointestinal disease: A Korean nationwide multicenter survey

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World Journal of Gastroenterology 2009年第1期15卷 86-94页

作者： Ho Gak Kim Jimin Han Myung-Hwan Kim Kyu Hyun Cho Im Hee Shin Gwang Ha Kim Jae Seon Kim jin Bong Kim Tae Nyeun Kim Tae Hyeon Kim Tae Hyo Kim Jae Woo Kim Ji Kon Ryu Young-Soo Moon Jong Ho Moon Sung Jae Park Chan Guk Park Sung-Jo Bang Chang Heon Yang Kyo-Sang Yoo Byung Moo Yoo Kyu Taek Lee Dong Ki Lee Byung Seok Lee Sang Soo Lee Seung Ok Lee Woo jin Lee Chang Min Cho Young-Eun Joo gab jin cheon Young Woo Choi Jae Bok Chung Yong Bum Yoon Department of Internal Medicine Catholic University of Daegu School of Medicine Daegu 705-718 South Korea Department of Internal Medicine Asan Medical Center University of Ulsan College of Medicine Seoul 138-736 South Korea Department of Medical Statistics Catholic University of Daegu School of Medicine Daegu 705-718 South Korea Department of Internal Medicine Pusan National University School of Medicine Busan 602-739 South Korea Department of Internal Medicine Korea University College of Medicine Seoul 136-705 South Korea Department of Internal Medicine Hallym University College of Medicine Chuncheon 200-704 South Korea Department of Internal Medicine Yeungnam University College of Medicine Daegu 705-717 South Korea Department of Internal Medicine Wonkwang University College of Medicine Iksan Jeonbuk 570-711 South Korea Department of Internal Medicine Gyeongsang National University School of Medicine Jinju Gyeongnam 660-702 South Korea Department of Internal Medicine Yonsei University Wonju College of Medicine Wonju Gangwon 220-701 South Korea Department of Internal Medicine Seoul National University College of Medicine Seoul 110-799 South Korea Department of Internal Medicine lnje University College of Medicine Seoul 139-713 South Korea Department of Internal Medicine Soonchunhyang University College of Medicine Bucheon Gyunggi 420-767 South Korea Department of Internal Medicine Inje University College of Medicine Busan 614-735 South Korea Department of Internal Medicine Chosun University College of Medicine Gwangju Jeonbuk 501-717 South Korea Department of Internal Medicine Ulsan University Hospital University of Ulsan College of Medicine Ulsan 681-714 South Korea Department of Internal Medicine Dongguk University College of Medicine Gyeongju Gyeongbuk 791-707 South Korea Department of Internal Medicine Hallym University College of Medicine Anyang Gyeonggi 431-070 South Korea Department of Internal Medicine Ajou University School of Medicine Suwon

AIM： To investigate prevalence of C/onorchis sinensis in patients with gastrointestinal symptoms, and the relation of the infection to hepatobiliary diseases in 26 hospitals in Korea. METHODS： Consecutive patients who had been admitted to the Division of Gastroenterology with gastrointestinal symptoms were enrolled from March to April 2005. Of those who had been diagnosed with clonorchiasis, epidemiology and correlation between infection and hepatobiliary diseases were surveyed by questionnaire. RESULTS： Of 3080 patients with gastrointestinal diseases, 396 （12.9%） had clonorchiasis and 1140 patients （37.2%） had a history of eating raw freshwater fish. Of those with a history of raw freshwater fish ingestion, 238 （20.9%） patients had clonorchiasis. Cholangiocarcinoma was more prevalent in C. sinensis-infected patients than nonnfected patients [34/396 （8.6%） vs 145/2684 （5.4%）, P = 0.015]. Cholangiocarcinoma and clonorchiasis showed statistically significant positive cross-relation （P = 0.008）. Choledocholithiasis, cholecystolithiasis, cholangitis, hepatocellular carcinoma, and biliary pancreatitis did not correlate with clonorchiasis. CONCLUSION： Infection rate of clonorchiasis was still high in patients with gastrointestinal diseases in Korea, and has not decreased very much during the last two decades. Cholangiocarcinoma was related to clonorchiasis, which suggested an etiological role for the parasite.

关键词： Clonorchis sinensis Epidemiology Cholangiocarcinoma Korea Multicenter study Clonorchiasis

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Synthesis and pharmacological properties of naturally occurring prenylated and pyranochalcones as potent anti-inflammatory agents

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Chinese Chemical Letters 2016年第5期27卷 698-702页

作者： Kongara Damodar jin-Kyung Kim Jong-gab Jun Department of Chemistry and Institute of Natural Medicine Hallym University Department of Biomedical Science College of Natural Science Catholic University of Daegu

An efficient approach has been developed for the synthesis of naturally occurring prenylated chalcones viz. kanzonol C （1）, stipulin （2）, crotaorixin （3）, medicagenin （4）, licoagrochalcone A （5） and abyssinone D （6） along with the pyranochalcones paratocarpin C （7）, anthyllisone （8） and 3-O-methylabyssinone A （9）. The key step of the synthesis is a Claisen-Schmidt condensation. Subsequently, their anti-inflammatory effects were investigated in lipopolysaccharides （LPSs）-induced RAW-264.7 macrophages. Of the synthesized chalcones, compounds 5 （IC50= 10.41 μmol[L）, 6 （IC50= 9.65 μmol/L） and 8 （IC50= 15.34 μmol/L） show remarkable activity with no cytotoxicity. Compound 9 （IC50 = 4.5 μmol/L） exhibits maximum （83.6%） nitric oxide （NO） inhibition, but shows slight cytotoxicity. The results reveal that the chalcones bearing the prenyl group at 3- and/or 5-position on ring A （acetophenone moiety）, i.e., 1-4 and 7 show weak, or no inhibition activity, whereas chalcones having the prenyl group only on ring B （aldehyde part）, i.e., 5, 6 and 8 show significant activity on the production of inflammatory mediated NO with no cytotoxicity.

关键词： Prenylated chalcone Pyranochalcone Claisen-Schmidt condensation Anti-inflammatory Nitric oxide (NO)

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Recent applications of chemosensitivity tests for colorectal cancer treatment

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World Journal of Gastroenterology 2014年第44期20卷 16398-16408页

作者： Yong Sik Yoon jin cheon Kim Department of Surgery University of Ulsan College of Medicine Institute of Innovative Cancer Research and Asan Institute for Life Sciences Asan Medical Center

The evaluation of therapeutic efficacy is necessary to predict the outcome of patients with metastatic colorectal cancer(CRC). In these patients, there is a critical need for predictive chemosensitivity assays and biomarkers to optimize efficacy and minimize toxicity. The introduction of targeted agents has improved the progression-free survival and overall survival of patients with metastatic disease. However, approximately 50% of patients do not show a positive response to chemotherapy and the selection of patients likely to respond to a specific regimen remains challenging. Cell culturebased chemosensitivity tests use autologous viable tumor cells to evaluate susceptibility to specific agents in vitro and predict their direct effects. Adenosine triphosphate-based assays and methyl thiazolyl-diphenyltetrazolium bromide-based assays are used widely as sensitivity tests because of their short assay period, technical simplicity, and the requirement of small amount of specimen. Among protein- and gene-based chemosensitivity assays, assessment of KRAS mutation status predicts the response to epidermal growth factor receptor-targeted therapy in CRC patients. The validation of predictive and prognostic markers enables the selection of therapeutic regimens with optimal efficacy and minimal toxicity for each patient, which has been termed personalized treatment. This review summarizes currently available predictive and prognostic chemosensitivity tests for metastatic CRC.

关键词： Colorectal adenocarcinomas Colorectal cancer Chemotherapy In vitro assays Molecular targeted therapy Individualized therapy

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First synthesis and in vitro biological assessment of isosideroxylin,6,8-dimethylgenistein and their analogues as nitric oxide production inhibition agents

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Chinese Chemical Letters 2017年第5期28卷 1114-1118页

作者： Jong-Woon Jung Kongara Damodar jin-Kyung Kim Jong-gab Jun Department of Chemistry and Institute of Applied Chemistry Hallym University Department of Biomedical Science College of Natural ScienceCatholic University of Daegu

A modular and efficient synthesis of the biologically significant C-methylisoflavones isosideroxylin（1）,6,8-dimethylgenistein（2） and their analogues（3-8） is established for the first *** synthesis is realized in 7-8 steps in overall yields of 16%-24%from commercially inexpensive phloroglucinol and features a high yielding Vilsmeier-Haack reaction,Friedel-Crafts acylation,Gammill＇s protocol and Suzuki coupling as the pivotal ***,these compounds evaluated for their inhibitory potency on the production of nitric oxide（NO） in lipopolysaccharide（LPS）-activated RAW-264.7 cells as an indicator of anti-inflammatory *** results showed that all the compounds decreased NO production in a dose-dependent manner without marked cytotoxicity and IC_（50） values are found in the range of 10.17-33.88 μmol/*** note,compounds 3 followed by 1,7 and 8 show comparable inhibitory activity with positive control（N-monomethyl-L-arginine,L-NMMA）.

关键词： Isosideroxylin 6 8-Dimethylgenistein Vilsmeier-Haack reaction Suzuki coupling Nitric oxide(NO) Anti-inflammatory

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EAFoC： Enterprise Architecture Framework Based on Commonality

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Journal of Computer Science & Technology 2006年第6期21卷 952-964页

作者： jin-Woo Kim Ju-Hum Kwo Young-gab Kim Chee-Yang Song Hyun-Seok Kim Doo-Kwon Baik Department of Computer Science and Engineering Korea University 1 5-Ga Anam-Dong Sungbuk-Ku Seoul 136-701 Korea Department of Software Engineering Sang-Ju National University 386 Street Kajang-Dong Sang-Ju 742-711 Korea

The recent rapid development in information systems （ISs） has resulted in a critical need for integration and interoperability between heterogeneous ISs in various domains, using specific commonalities. However, stovepipe systems have been caused due to inconsistencies in planning IS architecture among stakeholders. So far, there has been no research on an enterprise architecture framework （EAF） that can satisfy with the coefficient factors of system architecture （SA） and enterprise architecture （EA）. This paper proposes a new EAF that can resolve the problems inherent in existing legacy EAFs and their features. EAFoC （Enterprise Architecture Framework based on Commonality） is based on commonality that can be satisfied as the coefficient factors in both SA and EA within a common information technology （IT） domain. Thus, it should be possible to integrate an established heterogeneous framework for each stakeholder＇s view. Consequently, the most important contribution of this paper is to establish the appropriate EAFoC for the development of consistent IS architecture, smooth communication among stakeholders, systematic integration management of diversified and complicated new IT technologies, interoperability among heterogeneous ISs, and reusability based on commonality with other platforms.

关键词： enterprise architecture (EA) enterprise architecture framework based on commonality (EAFoC) enterprise integration (El) requirements engineering process system architecture (SA)

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Superhydrophobic and antireflective nanograss-coated glass for high performance solar cells

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Nano Research 2014年第5期7卷 670-678页

作者： Hyo jin Gwon Yensil Park cheon Woo Moon Sahn Nahm Seok-jin Yoon Soo Young Kim Ho Won Jang Electronic Materials Research Center Korea Institute of Science and Technology Seou1136-791 Korea Department of Materials Science and Engineering Korea University Seoul 136-701 Korea School of Chemical Engineering and Materials Science Chung-Ang University Seou1156-756 Korea Department of Materials Science and Engineering Research Institute of Advanced Materials Seoul National University Seou1151-744Korea

We present a facile method for producing superhydrophobic nanograss-coated （SNGC） glass surfaces that possess both reduced reflectivity and self-cleaning properties at the air/glass interface. The refractive index of a CaF2 nanograss （NG） layer on a glass substrate, deposited by glancing angle vapor deposition, is 1.04 at 500 nm, which is the second-lowest value ever reported so far. The fluorinated NG layer gives rise to a high water contact angle （〉150°） and very efficient cleaning out of dust with water drops. Using the dual functionalities of the SNGC glass, we demonstrate superhydrophobic and antireflective organic photovoltaic cells with excellent power conversion efficiency.

关键词： superhydrophobic antireflective self-cleaning nanograss solar cells glancing angle deposition

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Improvement of machining quality of copper-plated roll mold by controlling temperature variation

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Transactions of Nonferrous Metals Society of China 2011年第A01期21卷 37-41页

作者： Tae-jin JE Eun-Chae JEON Sang-cheon PARK Doo-Sun CHOI Kyung-Hyun WHANG Myung-Chang KANG Division of Nano-Mechanical Systems Korea Institute of Machinery and Materials Daejeon 305-343 Korea National Core Research Center for Hybrid Materials Solution Pusan National University

Micro prism film used in LCD industry can be manufactured by roll to roll method with copper-plated roll mold. As copper-plated roll mold is getting larger, pitch error is getting severer. The pitch error drops the quality of micro prism film. The main cause of the pitch error was investigated during machining large roll mold whose machined length was 1 200 mm. The temperature of machining system was elevated during machining roll mold, and this elevation induced thermal expansion of the system. The temperature variation around the roll mold also made thermal expansion of the roll mold. The amount of thermal expansion had strong relationship to the amount of pitch error. Therefore, the roll mold was machined after warming-up of machining system and precise temperature controller around copper-plated roll mold was installed, which minimized the temperature variation. Finally, precise micro prism patterns without pitch error were machined on the large roll mold.

关键词： copper-plated roll mold machining prism pattern temperature variation

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HOS15 represses flowering by promoting GIGANTEA degradation in response to low temperature in Arabidopsis

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Plant Communications 2023年第4期4卷 225-239页

作者： Gyeongik Ahn Hee jin Park Song Yi Jeong Gyeong-Im Shin Myung Geun Ji Joon-Yung Cha Jeongsik Kim Min gab Kim Dae-jin Yun Woe-Yeon Kim Research Institute of Life Science Institute of Agricultural and Life ScienceGyeongsang National UniversityJinju 52828Republic of Korea Division of Applied Life Science(BK21 Four) Plant Biological Rhythm Research CenterPlant Molecular Biology and Biotechnology Research CenterGraduate School of Gyeongsang National UniversityJinju 52828Republic of Korea Department of Biological Sciences College of Natural SciencesChonnam National UniversityGwangju 61186Republic of Korea Faculty of Science Education and Interdisciplinary Graduate Program in Advanced Convergence Technology and Science Jeju National UniversityJeju 63243Republic of Korea College of Pharmacy and Research Institute of Pharmaceutical Science PMBBRCGyeongsang National UniversityJinju 52828Republic of Korea Institute of Glocal Disease Control Konkuk UniversitySeoul 05029Republic of Korea Key Laboratory of Molecular Epigenetics of the Ministry of Education(MOE) Northeast Normal UniversityChangchun 130024China

Flowering is the primary stage of the plant developmental transition and is tightly regulated by environmental factors such as light and ***,the mechanisms by which temperature signals are integrated into the photoperiodic flowering pathway are still poorly ***,we demonstrate that HOS15,which is known as a GI transcriptional repressor in the photoperiodic flowering pathway,controls flowering time in response to low ambient *** 16℃,the hos15 mutant exhibits an early flowering phenotype,and HOS15 acts upstream of photoperiodic flowering genes(GI,CO,and FT).GI protein abundance is increased in the hos15 mutant and is insensitive to the proteasome inhibitor ***,the hos15 mutant has a defect in low ambient temperature-mediated GI degradation,and HOS15 interacts with COP1,an E3 ubiquitin ligase for GI *** analyses of the hos15 cop1 double mutant revealed that repression of flowering by HOS15 is dependent on COP1 at 16℃.However,the HOS15-COP1 interaction was attenuated at 16℃,and GI protein abundance was additively increased in the hos15 cop1 double mutant,indicating that HOS15 acts independently of COP1 in GI turnover at low ambient *** study proposes that HOS15 controls GI abundance through multiple modes as an E3 ubiquitin ligase and transcriptional repressor to coordinate appropriate flowering time in response to ambient environmental conditions such as temperature and day length.

关键词： Arabidopsis flowering response low ambient temperature HOS15 GIGANTEA

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Clinicopathological features of familial adenomatous polyposis in Korean patients

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World Journal of Gastroenterology 2016年第17期22卷 4380-4388页

作者： Sung Min Jung Yong Sik Yoon Seok-Byeong Lim Chang Sik Yu jin cheon Kim Division of Colon and Rectal Surgery Department of Surgery University of Ulsan College of Medicine Seoul 05505 South Korea Asan Medical Center Seoul 05505 South Korea

AIM: To identify prognostic factors and to correlate APC mutations with clinical features, including extracolic manifestations. METHODS: One hundred thirty-five patients who underwent surgical procedures for familial adenomatous polyposis(FAP) were included. FAP was diagnosed when the number of adenomatous polyps was > 100. Data related to patient, extracoloic manifestations, cancer characteristics, operative procedure, follow up and surveillance were collected. APC mutation testing was performed in the 30 most recent patients. DNA was extracted from peripheral blood and polymerase chain reaction products using 31 primer pairs on APC gene were sequenced. A retrospective study was performed to investigate a causal relationship between prognosis and feature of ***: The mean age of the 51 patients with colorectal cancer(CRC) was older than that of those without CRC(30.5 vs 36.9, P = 0.002). Older individuals were more likely to have colon cancer at the time of FAP diagnosis [odds ratio, 4.75(95%CI: 1.71-13.89) and 5.91(1.76-22.12) for 40-49 years and age > 50 vs age < 30). The number of confirmed deaths was 13 and the median age at death was 40 years(range, 27 to 85 years). Ten of the deaths(76.9%) were from CRC. Another cause of two cases of death were desmoid tumors(15.4%). Development of cancer on remnant rectal or ileal mucosa after surgery was not observed. The APC mutation testing revealed 23 pathogenic mutations and one likely pathogenic mutation, among which were four novel mutations. The correlation between mutational status and clinical manifestations was investigated. Mutations that could prodict poor prognosis were at codon 1309 which located on mutation cluster region, codon 1465 and codon ***: Identification of APC mutations should aid in the diagnosis and counseling of family members in terms of early diagnosis and management of FAP.

关键词： Adenomatous polyposis coli Colorectal neoplasms APC gene Prognosis Survival

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