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Association between the early high level of serum tacrolimus and recurrence of hepatocellular carcinoma in ABO-incompatible liver transplantation

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World Journal of Gastrointestinal Surgery 2023年第12期15卷 2727-2738页

作者： Ji Won han Jong Young Choi Eun Sun jung Ji Hoon Kim Hee Sun Cho Jae-Sung Yoo Pil Soo Sung Jeong Won Jang Seung Kew yoon Ho Joong Choi Young Kyoung You Department of Internal Medicine The Catholic University of KoreaSeoul 06591South Korea The Catholic University Liver Research Center College of MedicineThe Catholic University of KoreaSeoul 06591South Korea Department of Hospital Pathology The Catholic University of KoreaSeoul 06591South Korea Department of Surgery The Catholic University of KoreaSeoul 06591South Korea

BACKGROUND Clinical factors predicting graft survival(GS)after ABO-incompatible(ABOi)liver transplantation(LT),and differences between recipients with and without hepatocellular carcinoma(HCC)are *** To analyze the impact of serial serum tacrolimus trough concentration in recipients with or without(HCC)in ABOi living-donor liver transplantation(LDLT).METHODS We analyzed a historical cohort of 89 recipients who underwent ABOi LDLT,including 47 patients with *** The 1-,3-,5-,and 10-year GS rates were 85.9%,73.3%,71.4%,and 71.4%,respectively,and there were no significant differences between HCC and non-HCC *** multivariate Coxregression analyses,tacrolimus trough concentrations below 5.4 ng/mL at 24 wk post-LT,in addition to the antibody-mediated rejection(AMR)were associated with poor-graft *** HCC patients,AMR[hazard ratio(HR)=63.20,P7.3 ng/mL were significant predictive factors for HCC *** propensity score matching,patients with high tacrolimus concentrations at 4 wk had significantly poor recurrence-free *** Elevated tacrolimus levels at 4 wk after ABOi LDLT have been found to correlate with HCC ***,careful monitoring and control of tacrolimus levels are imperative in ABOi LT recipients with HCC.

关键词： ABO-incompatible Liver transplantation Tacrolimus Hepatocellular carcinoma

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Toxicological study of the hepatotherapeutic herbal formula,Chunggan extract,in beagle dogs

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World Journal of Gastroenterology 2006年第46期12卷 7497-7502页

作者： Woo-Jin Choi Jang-Woo Shin Jin-Young Son Dong-Seok Seo Hark-Soo park Seung-Hyun han Ha-lung Sung jung-Hyo Cho Chong-Kwan Cho Hwa-Seung Yoo Yeon-Weol Lee Chang-Gue Son East-West Cancer Center Dunsan Oriental Hospital of Oriental medical Collage of Daejeon University 1136Dunsan-dong Seo-gu Daejeon 302-122 South Korea Safety Assess-ment Center Korea Testing and Research Institute for Chemical Industry 7-6 Gomak-ri Wolgot-myeon Gimpo-si Kyonggi-doKorea Department of Oromaxillofacial Infection & Immunity and Dental Research Institute School of DentistrySeoul National University 28 Yongon-Dong Chongno-Gu Seoul110-749 South Korea

AIM: To evaluate the pharmaceutical safety of a Chinese herbal formula, Chunggan extract (CGX), traditionally prescribed as a hepatotherapeutic drug via systemic acute and subacute toxicological study. METHODS: Twenty male dogs and 20 female dogs were fed doses 50 times and 4 times greater than the clinically-recommended drug dosages in an acute and a subacute toxicological study, respectively. Adverse effects were examined by comparing the differences between normal and drug-administered groups using clinical signs, necropsies, histopathologic findings, haematology, urinalysis, and biochemical analysis. RESULTS: In the acute study no change in the body weight, diarrhoea, apetite, mortality rate and histopa- thology of major organs was observed in male or female dogs with a single administration of CGX at 5 g/kg. No drug-induced abnormalities at analysis of histopathology, haematology, urinalysis, and biochemistry were found with any dose of this drug. CONCLUSION: CGX is supposed to be very safe when used in a clinical application with a wide therapeutic index.

关键词： Hepatotherapeutics Herbal remedy Chung-gan extract Safety Toxicological study

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Residue patterns of indoxacarb and pyridalyl in treated cauliflower

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Agricultural Sciences 2013年第3期4卷 111-116页

作者： Ji-Young yoon Jae-Hun park Hye-Ree Moon Guk-Tak han Kyu-Seung Lee Department of Bio-Environmental Chemistry Chungnam National University Daejeon Republic of Korea National Agriculture Product Quality Management Service Chungnam Division Branch Office Daejeon Republic of Korea

The biological half-life and final residue levels of indoxacarb and pyridalyl were determined in cauliflower over a 10-day cultivation period following applications of a standard (100 g ***–1 and 200 g a.i.·ha–1, respectively) and double dose (200 g a.i.·ha–1 and 400 g a.i.·ha–1, respectively). The residue levels were analyzed by gas chromatography with recovery ranging from 92.1% to 109.7%. The biological half-lives of indoxacarb and pyridalyl were 6.33 and 7.74 days for the standard dose, and 6.26 and 7.44 days for the double dose, respectively. The initial and persisting concentrations of indoxacarb and pyridalyl were all below the Korean maximum residue limits for broccoli of 1.0 mgkg–1 and 3.0 mgkg–1, respectively.

关键词： Biological Half-Life Cauliflower Indoxacarb Pyridalyl Residue

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Reevaluation of the expanded indications in undifferentiated early gastric cancer for endoscopic submucosal dissection

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World Journal of Gastroenterology 2022年第15期28卷 1548-1562页

作者： Jiyoung yoon Seung-Yeon Yoo Young Soo park Kee Don Choi Beom Su Kim Moon-Won Yoo In Seob Lee Jeong Hwan Yook Ga Hee Kim Hee Kyong Na Ji Yong Ahn Jeong Hoon Lee Kee Wook jung Do Hoon Kim Ho June Song Gin Hyug Lee Hwoon-Yong jung Department of Gastroenterology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Pathology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Surgery Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea

BACKGROUND Although the criteria for the indication of endoscopic submucosal dissection(ESD)for undifferentiated early gastric cancer(UD-EGC)have been recently proposed,accumulating reports on the non-negligible rate of lymph node metastasis(LNM)after indicated ESD raise questions on the reliability of the current *** To investigate the prevalence and risk factors of LNM in UD-EGC cases meeting the expanded indication for *** We retrospectively reviewed 4780 UD-EGC cases that underwent surgical resection between January 2008 and February 2019 at Asan Medical Center,a tertiary university hospital in *** identify the risk factors of LNM of UDEGC meeting the expanded criteria for ESD,we performed a case-control study by matching the cases with LNM to those without at a ratio of 1:*** reviewed the clinical,endoscopic,and histologic features of the cases to identify features with a significant difference according to the presence of *** and multivariate logistic regression analyses were performed to estimate the odds ratios(ORs).RESULTS Of the 4780 UD-EGC cases,1240(25.9%)were identified to meet the expanded indication for *** the 1240 cases,14(1.1%)cases had *** the various clinical,endoscopic,and histopathological features that were evaluated,mixed histology(tumors consisting of 10%-90%of signet ring cells)had a marginally significant association(P=0.059)with the risk of ***,diffuse blurring of the muscularis mucosae(MM)underneath the tumorous epithelium,a previously unrecognized histologic feature,had a significant association with the absence of LNM(P=0.028).Multivariate logistic regression analysis showed that the blurring of MM was the only explanatory variable significantly associated with a reduced risk of LNM(OR:0.12,95%CI:0.02-0.95;P=0.045).CONCLUSION The risk of LNM is higher than expected when using the current expanded indication for *** evaluation could provide useful clues for reducing the

关键词： Gastric cancer Undifferentiated carcinoma Endoscopic submucosal dissection Lymph node metastasis

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Sprayable nanomicelle hydrogels and inflammatory bowel disease patient cell chips for development of intestinal lesion-specific therapy

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Bioactive Materials 2022年第12期7卷 433-445页

作者： Hyo-Jin yoon Songhyun Lee Tae Young Kim Seung Eun Yu Hye-Seon Kim Young Shin Chung Seyong Chung Suji park Yong Cheol Shin Eun Kyung Wang Jihye Noh Hyun jung Kim Cheol Ryong Ku Hong Koh Chang-Soo Kim Joon-Sang park Young Min Shin Hak-Joon Sung Department of Medical Engineering Yonsei University College of MedicineSeoul03722Republic of Korea School of Electrical and Electronic Engineering Yonsei UniversitySeoul03722Republic of Korea Department of Obstetrics and Gynecology Institution of Women’s Life Medical ScienceSeverance HospitalYonsei University College of MedicineSeoul03722Republic of Korea Department of Biomedical Engineering The University of Texas at AustinAustinTX78712USA Department of Internal Medicine EndocrinologyInstitute of Endocrine ResearchYonsei University College of MedicineSeoul03722Republic of Korea Department of Pediatrics GastroenterologySeverance HospitalYonsei University College of MedicineSeoul03722Republic of Korea Department of Computer Engineering Hongik UniversitySeoul04066Republic of Korea Institute of Tissue Regeneration Engineering(ITREN) Dankook UniversityCheonan31116Republic of Korea Numais Co. Ltd.Korea Seoul 04799Republic of Korea

All-in-one treatments represent a paradigm shift in future *** example,inflammatory bowel disease(IBD)is mainly diagnosed by endoscopy,which could be applied for not only on-site monitoring but also the intestinal lesion-targeted spray of injectable ***,molecular conjugation to the hydrogels would program both lesion-specific adhesion and drug-free *** study validated this concept of all-in-one treatment by first utilizing a well-known injectable hydrogel that underwent efficient solution-to-gel transition and nanomicelle formation as a translatable *** properties enabled spraying of the hydrogel onto the intestinal walls during ***,peptide conjugation to the hydrogel guided endoscopic monitoring of IBD progress upon adhesive gelation with subsequent moisturization of inflammatory lesions,specifically by *** peptide was designed to mimic the major component that mediates intestinal interaction with Bacillus subtilis flagellin during IBD ***,the peptide-guided efficient adhesion of the hydrogel nanomicelles onto Toll-like receptor 5(TLR5)as the main target of flagellin binding and *** peptide binding potently suppressed inflammatory signaling without drug loading,where TLR5 and Notch-1 operated collaboratively through downstream actions of tumor necrosis *** results were produced using a human colorectal cell line,clinical IBD patient cells,gut-on-a-chip,a mouse IBD model,and pig experiments to validate the translational utility.

关键词： Nanomicelle Injectable hydrogel Peptide display Theranostic All-in-one treatment Inflammatory bowel disease

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基于双能CT深度学习预测取栓术后的脑出血转化

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国际医学放射学杂志 2024年第4期 502-502页

作者： J.Heo Y.yoon H.J.han J.J.Kim K.Y.park B.M.Kim 常嫣格

摘要目的利用双能CT开发和验证一个深度学习模型，预测血管内取栓术后的脑出血转化。方法该项基于急性缺血性卒中前瞻性登记的回顾性研究，纳入2019年5月—

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Cambrian Stem-group Cnidarians with a New Species from the Cambrian Series 3 of the Taebaeksan Basin, Korea

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Acta Geologica Sinica(English Edition) 2016年第3期90卷 827-837页

作者： Tae-yoon S.park Ji-Hoon KIHM Jusun WOO Yong-Yi ZHEN Michael ENGELBRETSEN Jongsun HONG Suk-Joo CHOH Dong-Jin LEE Division of Polar-Earth System Sciences Korea Polar Research Institute Geological Survey of New South Wales W.B.Clarke Geoscience Centre Research Affiliate Biological Sciences Macquarie University Department of Earth and Environmental Sciences Korea University Department of Earth and Environmental Sciences Andong National University

Five species, Lipopora lissa Jell and Jell, 1976, Lipopora daseia Jell and Jell, 1976, Tretocylichne perplexa Engeibretsen, 1993 from Australia, Cambroctoconus orientalis park, Woo, Lee, Lee, Lee, han and Chough, 2011 from China, and Cambroctoconus kyrgyzstanicus Peel, 2014 from Kyrgyzstan, belonging to the Cambrian stem-group cnidarians have been documented in the fossil record. Cambroctoconus coreaensis sp. nov., interpreted here as a stem-group cnidarian, from the Seokgaejae section in the Daegi Formation, Taebaek Group （Cambrian Series 3）, Taebaeksan Basin, central-eastern Korean Peninsula, has a slender cup-shaped skeleton. A cladistic analysis produced 21 most parsimonious trees, which invariably placed the six stem-group cnidarians below the crown-group, but their relationships within the stem-group are unresolved. Nine out of the 21 trees suggest a monophyletic relationship for the Cambrian stem-group cnidarians, whereas in six other trees a monophyly of Cambroctoconus and Tretocylichne appeared as the sister-group to the crown-group cnidarians with Lipopora at the most basal branch. This result may reflect the fact that crown-group cnidarians evolved in the Precambrian, and suggests that the diversity of stem-group cnidarians was a result of an independent radiation in the Cambrian.

关键词： Phylogeny Cnidaria Cambrian Drumian Taebaeksan Basin Korea

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Influence of the h TERT rs2736100 polymorphism on telomere length in gastric cancer

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World Journal of Gastroenterology 2015年第31期21卷 9328-9336页

作者： Byung Joon Choi jung Hwan yoon Olga Kim Won Suk Choi Suk Woo Nam jung Young Lee Won Sang park Department of Pediatrics College of MedicineThe Catholic University of Korea Department of Pathology College of MedicineThe Catholic University of Korea Functional Rnomics Research Center College of MedicineThe Catholic University of Korea

AIM: To investigate the functional consequences of rs2736100 polymorphism in telomere length and examine its link to gastric cancer ***: Telomere length and human telomerase reverse transcriptase(h TERT) m RNA expression were measured in 35 gastric cancer tissues and 5 cell lines and correlated to rs2736100 polymorphism. The relationship between rs2736100 polymorphism and the risk of gastric cancer were examined in 243 gastric cancer patients and 246 healthy ***: The rs2736100 A allele carrier is closely associated with reduced h TERT m RNA expression and shortened telomere length in gastric cancer tissue and cell lines. When gastric cancers were stratified by histological subtype,telomere length and h TERT m RNA levels were significantly increased in those with the C/C genotype in intestinal-type gastric cancer,but not in diffuse-type gastric cancer. Interestingly,there was no significant difference in the genotype and allele frequencies of the rs2736100 polymorphism between the patients with gastric cancer and healthy ***: The rs2736100 polymorphism of the h TERT gene is involved in the regulation of h TERT expression and telomere length,but not in the risk of gastric cancer.

关键词： Human telomerase reverse transcriptase Telomere Ga

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Optimized sirolimus-eluting stent by coating asymmetrically with biodegradable and cytocompatible polymers

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Asian Journal of Pharmaceutical Sciences 2016年第1期11卷 160-161页

作者： Seong Min Kim Kwang-Sook park Jong Hee Kang yoon Ki Joung Dong Keun han Center for Biomaterials Korea Institute of Science and TechnologyHwarangno 14-gil 5Seongbuk-guSeoul 136-791Republic of Korea Department of Biomedical Engineering Korea University of Science and Technology217 Gajeong-roYuseongguDaejeon 305-350Republic of Korea

Since the approval of the first stent by the US Food and Drug Administration,stents have been developed from bare metal stents to advanced forms such as drug-eluting stent(DES).However,after being inserted into damage... 详细信息

关键词： Drug-eluting stent Asymmetric coating Hyaluronic acid Sirolimus Sustained release

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Characterization of focal liver masses using acoustic radiation force impulse elastography

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World Journal of Gastroenterology 2013年第2期19卷 219-226页

作者： hana park Jun Yong park Do Young Kim Sang Hoon Ahn Chae yoon Chon Kwang-Hyub han Seung Up Kim Division of Gastroenterology Department of Internal MedicineCHA Bundang Medical CenterCHA UniversityGyeonggi-do 463-712South Korea Department of Internal Medicine Yonsei University College of MedicineSeoul 120-752South Korea

AIM:To investigate the diagnostic performance of acoustic radiation force impulse(ARFI) elastography for characterizing focal liver mass by quantifying their ***:This prospective study included 62 patients with a focal liver mass that was well visualized on conventional ultrasonography performed in our institution from February 2011 to November *** them,12 patients were excluded for ARFI measurement failure due to a lesion that was smaller than the region of the interest and at an inaccessible location(deeper than 8 cm)(n = 7) or poor compliance to hold their breath as required(n = 5).Finally,50 patients with valid ARFI measurements were *** a patient had multiple liver masses,only one mass of interest was *** masses were diagnosed by histological examination or clinical diagnostic *** ultrasonographic evaluation,stiffness,expressed as velocity,was checked 10 times per focal liver mass and the surrounding liver ***:After further excluding three masses that were non-diagnostic on biopsy,a total of 47 focal mass lesions were tested,including 39(83.0%) malignant masses [24 hepatocellular carcinomas(HCC),seven cholangiocellular carcinomas(CCC),and eight liver metastases] and eight(17.0%) benign masses(five hemangiomas and three focal nodular hyperplasias,FNH).Thirty-seven(74.0%) masses were confirmed by histological *** mean velocity was 2.48 m/s in HCCs,1.65 m/s in CCCs,2.35 m/s in metastases,1.83 m/s in hemangiomas,and 0.97 m/s in *** considerable overlap was still noted between malignant and benign masses,significant differences in ARFI values were observed between malignant and benign masses(mean 2.31 m/s vs 1.51 m/s,P = 0.047),as well as between HCCs and benign masses(mean 2.48 m/s vs 1.51 m/s,P = 0.006).The areas under the receiver operating characteristics curves(AUROC) for discriminating the malignant masses from benign masses was 0.724(95%CI,0.566-0.883,P = 0.048),and the AUROC

关键词： Acoustic radiation force impulse Focal liver mass Hepatocellular carcinoma Hemangioma Focal nodular hyperplasia Cholangiocellular carcinoma Liver metastasis

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