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Clinical advantages of single port laparoscopic hepatectomy

World Journal of Gastroenterology 2018年第3期24卷 379-386页

作者： Jae Hyun Han Young Kyoung You ho joong choi Tae ho hong Dong Goo Kim Division of Hepatobiliary-Pancreas Surgery and Liver Transplantation Department of SurgerySeoul St.Mary’s HospitalCollege of MedicineThe Catholic University of Korea

AIM To evaluate the clinical advantages of single-port laparoscopic hepatectomy(SPLH) compare to multiport laparoscopic hepatectomy(MPLH).METhoDS We retrospectively reviewed the medical records of 246 patients who underwent laparoscopic liver resection between January 2008 and December 2015 at our hospital. We divided the surgical technique into two groups; SPLH and MPLH. We performed laparoscopic liver resection for both benign and malignant disease. Major hepatectomy such as right and left hepatectomy was also done with sufficient disease-free margin. The operative time, the volume of blood loss, transfusion rate, and the conversion rate to MPLH or open surgery was evaluated. The post-operative parameters included the meal start date after operation, the number of postoperative days spent in the hospital, and surgical complications was also *** Of the 246 patients, 155 patients underwent SPLH and 91 patients underwent MPLH. Conversion rate was 22.6% in SPLH and 19.8% in MPLH(P = 0.358). We performed major hepatectomy, which was defined as resection of more than 2 sections, in 13.5% of patients in the SPLH group and in 13.3% of patients in the MPLH group(P = 0.962). Mean operative timewas 136.9 ± 89.2 min in the SPLH group and 231.2 ± 149.7 min in the MPLH group(P how a significant difference(0.84 ± 0.84 cm in SPLH vs 1.04 ± 1.22 cm in MPLH, P = 0.704). Enteral feeding was started earlier in the SPLH group(1.06 ± 0.27 d after operation) than in the MPLH group(1.63 ± 1.27 d)(P hospital stay after operation was non-significantly shorter in the SPLH group than in the MPLH group(7.82 ± 2.79 d vs 7.97 ± 3.69 d, P = 0.744). The complication rate was not significantly different(P = 0.397) and there was no major perioperative complication or mortality case in both groups. CONCLUS

关键词： Hepatectomy Laparoscopy Minimally invasive surgery Treatment outcome Feasibility study

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Comparative long-term outcomes for pancreatic volume change, nutritional status, and incidence of new-onset diabetes between pancreatogastrostomy and pancreatojejunostomy after pancreaticoduodenectomy

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Hepatobiliary Surgery and Nutrition 2020年第3期9卷 284-295页

作者： Bong Jun Kwak ho joong choi Young Kyoung You Dong Goo Kim Tae ho hong Department of Hepatobiliary and Pancreas Surgery Seoul St. Mary's Hospital College of Medicine The Catholic University of Korea Seoul Republic of Korea

Background:The difference in volume change in a pancreatic remnant according to the type of pancreaticoenterostomy after pancreaticoduodenectomy(PD)for long-term follow-up is ***,there are few studies that evaluate the difference in general nutritional status and pancreatic endocrine function,including new-onset diabetes mellitus(NODM)depending on the type of *** study aimed to compare serial pancreatic volume changes in pancreatic remnants between pancreatogastrostomy(PG)and pancreatojejunostomy(PJ)after PD and to evaluate the difference in general nutritional status and incidence of NODM between PG and ***:This study enrolled 115 patients who had survived for more than 3 years after *** were divided into the PG group and the PJ *** clinicopathologic factors were collected and *** calculated serial pancreas volume and pancreatic duct size precisely from preoperative stage to 5 years after surgery by image-processing software specifically designed for navigation and visualization of multimodality and multidimensional *** changes of albumin and body mass index(BMI)as related to general nutritional status were compared between the PG and PJ *** evaluate the incidence and risk factors of NODM following PD,subgroup analysis was performed in 88 patients who did not have diabetes ***:Most patient demographics were not significantly different between the PG group(n=45)and PJ group(n=70).There was no significant difference in volume reduction between the groups from postoperative 1 month to 5 years(PG group?18.21±14.66 mL versus PJ group?14.43±13.05 mL,P=0.209).But there was a significant difference in increased pancreatic duct size between the groups from postoperative 1 month to 5 years(PG group 1.66±2.20 mm versus PJ group 0.54±1.54 mm,P=0.007).There was no significant difference in the increase of total serum albumin between the groups for 5 years after surgery(PG group 0

关键词： Pancreaticojejunostomy pancreaticoduodenectomy(PD) nutritional status diabetes mellitus

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Clinical outcome in patients with hepatocellular carcinoma after living-donor liver transplantation

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World Journal of Gastroenterology 2013年第29期19卷 4737-4744页

作者： ho joong choi Dong Goo Kim Gun Hyung Na Jae Hyun Han Tae ho hong Young Kyoung You Hepatobiliary-Pancreas Surgery and Liver Transplantation Division Department of Surgery Seoul St. Mary's Hospital The Catholic University of Korea Seoul 137-701 South Korea

AIM: To investigate risk factors for hepatocellular carcinoma (HCC) recurrence after living donor liver transplantation (LDLT) and efficacy of various criteria. METhoDS: From October 2000 to November 2011, 233 adult patients underwent LDLT for HCC at our institution. After excluding nine postoperative mortality cases, we analyzed retrospectively 224 patients. To identify risk factors for recurrence, we evaluated recurrence, disease-free survival (DFS) rate, survival rate, and various other factors which are based on the characteristics of both the patient and tumor. Additionally, we developed our own criteria based on our data. Next, we compared our selection criteria with various tumor-grading scales, such as the Milan criteria, University of California, San Francisco (UCSF) criteria, TNM stage, Barcelona Clinic Liver Cancer (BCLC) stage and Cancer of the Liver Italian Program (CLIP) scoring system. The median follow up was 68 (6-139) ***: In 224 patients who received LDLT for HCC, 37 (16.5%) experienced tumor recurrence during the follow-up period. The 5-year DFS and overall survival rates after LDLT in all patients with HCC were 80.9% and 76.4%, respectively. On multivariate analysis, the tumor diameter {5 cm; P howed a significant difference in DFS rate. And our criteria (P = 0.006) and UCSF criteria (P = 0.009) showed a significant difference in overall survival rate. Bu

关键词： Hepatocellular carcinoma Living donor liver transplantation Selection criteria Milan criteria University of California, San Francisco criteria Barcelona Clinic Liver Cancer Cancer of the Liver Italian Program

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Exosome-based strategy against colon cancer using small interfering RNA-loaded vesicles targeting soluble a proliferationinducing ligand

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World Journal of Stem Cells 2024年第11期16卷 956-973页

作者： Hyung-Jin Kim Do Sang Lee Jung Hyun Park Ha-Eun hong ho joong choi Ok-Hee Kim Say-June Kim Department of Surgery Eunpyeong St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 03312South Korea Department of Surgery Seoul St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591South Korea Catholic Central Laboratory of Surgery College of MedicineThe Catholic University of KoreaSeoul 06591South Korea Translational Research Team Surginex Co.Ltd.Seoul 06591South Korea

BACKGROUND Recent advancements in nanomedicine have highlighted the potential of exosome(Ex)-based therapies,utilizing naturally derived nanoparticles,as a novel approach to targeted cancer *** To explore the targetability and anticancer effectiveness of small interfering peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 RNA(siPIN1)-loaded soluble a proliferation-inducing ligand(sAPRIL)-targeted Exs(designated as tEx[p])in the treatment of colon cancer *** tEx was generated by harvesting conditioned media from adipose-derived stem cells that had undergone transformation using pDisplay vectors encoding sAPRIL-binding peptide ***,tEx[p]were created by incorporating PIN1 siRNA into the tEx using the Exofect *** therapeutic efficacy of these Exs was evaluated using both in vitro and in vivo models of colon *** The tEx[p]group exhibited superior anticancer effects in comparison to other groups,including tEx,Ex[p],and Ex,demonstrated by the smallest tumor size,the slowest tumor growth rate,and the lightest weight of the excised tumors observed in the tEx[p]group(P<0.05).Moreover,analyses of the excised tumor tissues,using western blot analysis and immunohistochemical staining,revealed that tEx[p]treatment resulted in the highest increase in Ecadherin expression and the most significant reduction in the mesenchymal markers Vimentin and Snail(P<0.05),suggesting a more effective inhibition of epithelial-mesenchymal transition tEx[p],likely due to the enhanced delivery of *** The use of bioengineered Exs targeting sAPRIL and containing siPIN1 demonstrated superior efficacy in inhibiting tumor growth and epithelial-mesenchymal transition,highlighting their potential as a therapeutic strategy for colon cancer.

关键词： Colon cancer Drug delivery system Exosome Soluble a proliferation-inducing ligand Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 Targeted therapy

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Generation of induced secretome from adipose-derived stem cells specialized for disease-specific treatment:An experimental mouse model

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World Journal of Stem Cells 2020年第1期12卷 70-86页

作者： Ok-Hee Kim Ha-Eun hong Haeyeon Seo Bong Jun Kwak ho joong choi Kee-Hwan Kim Joseph Ahn Sang Chul Lee Say-June Kim Catholic Central Laboratory of Surgery Institute of Biomedical IndustryCollege of Medicinethe Catholic University of KoreaSeoul 06591South Korea Department of Surgery Division of Hepato-biliary Pancreatic SurgerySeoul St.Mary’s HospitalCollege of Medicinethe Catholic University of KoreaSeoul 06591South Korea Department of Surgery Uijeongbu St.Mary's HospitalCollege of Medicinethe Catholic University of KoreaSeoul 11765South Korea Department of Surgery Daejeon St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 34943South Korea

BACKGROUND Recently,the exclusive use of mesenchymal stem cell(MSC)-secreted molecules,named as the secretome,have been evaluated for overcoming the limitations of cell-based therapy while maintaining its *** To improve cell-free therapy by adding disease-specificity through stimulation of MSCs using disease-causing *** We collected the secretory materials(named as inducers)released from AML12 hepatocytes that had been pretreated with thioacetamide(TAA)and generated the TAA-induced secretome(TAA-isecretome)after stimulating adipose-derived stem cells with the *** TAA-isecretome was intravenously administered to mice with TAA-induced hepatic failure and those with partial *** TAA-isecretome infusion showed higher therapeutic potential in terms of(1)restoring disorganized hepatic tissue to normal tissue;(2)inhibiting proinflammatory cytokines(interleukin-6 and tumor necrosis factor-α);and(3)reducing abnormally elevated liver enzymes(aspartate aminotransferase and alanine aminotransferase)compared to the naïve secretome infusion in mice with TAA-induced hepatic ***,the TAA-isecretome showed inferior therapeutic potential for restoring hepatic function in partially hepatectomized *** analysis of TAA-isecretome identified that antioxidant processes were the most predominant enriched biological networks of the proteins exclusively identified in the *** addition,peroxiredoxin-1,a potent antioxidant protein,was found to be one of representative components of TAA-isecretome and played a central role in the protection of TAA-induced hepatic *** Appropriate stimulation of adipose-derived stem cells with TAA led to the production of a secretome enriched with proteins,especially peroxiredoxin-1,with higher antioxidant *** results suggest that appropriate stimulation of MSCs with pathogenic agents can lead to the production of a secretome specialized for protecting agains

关键词： Adipose-derived stem cells Disease-specificity Mesenchymal stem cells Secretome Peroxiredoxin-1 Thioacetamide Toxic hepatic failure

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Ameliorating liver fibrosis in an animal model using the secretome released from miR-122-transfected adipose-derived stem cells

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World Journal of Stem Cells 2019年第11期11卷 990-1004页

作者： Kee-Hwan Kim Jae Im Lee Ok-Hee Kim Ha-Eun hong Bong Jun Kwak ho joong choi Joseph Ahn Tae Yun Lee Sang Chul Lee Say-June Kim Department of Surgery Uijeongbu St.Mary’s HospitalCollege of Medicinethe Catholic University of KoreaSeoul 11765South Korea Catholic Central Laboratory of Surgery Institute of Biomedical IndustryCollege of Medicinethe Catholic University of KoreaSeoul 06591South Korea Department of Surgery Seoul St.Mary’s HospitalCollege of Medicinethe Catholic University of KoreaSeoul 06591South Korea Department of Surgery Daejeon St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 34943South Korea

BACKGROUND Recently,the exclusive use of mesenchymal stem cell(MSC)-secreted molecules,called secretome,rather than cells,has been evaluated for overcoming the limitations of cell-based therapy,while maintaining its ***,the use of na?ve secretome may not fully satisfy the specificity of each ***,it appears to be more advantageous to use the functionally reinforced secretome through a series of processes involving physico-chemical adjustments or genetic manipulation rather than to the use na?ve *** To determine the therapeutic potential of the secretome released from miR-122-transfected adipose-derived stromal cells(ASCs).METhoDS We collected secretory materials released from ASCs that had been transfected with antifibrotic miR-122(MCM)and compared their antifibrotic effects with those of the na?ve secretome(CM).MCM and CM were intravenously administered to the mouse model of thioacetamide-induced liver fibrosis,and their therapeutic potentials were *** MCM infusion provided higher therapeutic potential in terms of:(A)Reducing collagen content in the liver;(B)Inhibiting proinflammatory cytokines;and(C)Reducing abnormally elevated liver enzymes than the infusion of the na?ve *** proteomic analysis of MCM also indicated that the contents of antifibrotic proteins were significantly elevated compared to those in the na?ve *** We could,thus,conclude that the secretome released from miR-122-transfected ASCs has higher antifibrotic and anti-inflammatory properties than the na?ve *** miR-122 transfection into ASCs provides a specific way of potentiating the antifibrotic properties of ASC secretome,it could be considered as an enhanced method for reinforcing secretome effectiveness.

关键词： Adipose-derived stem cells Liver fibrosis MicroRNAs miR-122 Mesenchymal stem cells Secretome

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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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Superior gallstone dissolubility and safety of tert-amyl ethyl ether over methyl-tertiary butyl ether

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World Journal of Gastroenterology 2019年第39期25卷 5936-5952页

作者： Dong Do You Suk Joon Cho Ok-Hee Kim Jin Sook Song Kyu-Seok Hwang Sang Chul Lee Kee-Hwan Kim ho joong choi Ha-Eun hong Haeyeon Seo Tae ho hong Jung Hyun Park Tae Yoon Lee Joseph Ahn Jae-Kyung Jung Kwan-Young Jung Say-June Kim Department of Surgery St.Vincent's HospitalCollege of MedicineThe Catholic University of KoreaSeoul 16247South Korea College of Pharmacy Chungbuk National UniversityCheongju 28644South Korea Department of Surgery Seoul St.Mary’s HospitalCollege of Medicinethe Catholic University of KoreaSeoul 06591South Korea Catholic Central Laboratory of Surgery Institute of Biomedical IndustryCollege of Medicinethe Catholic University of KoreaSeoul 06591South Korea Bio and Drug Discovery Division Korea Research Institute of Chemical TechnologyDaejeon 34114South Korea Department of Surgery Daejeon St.Mary's HospitalCollege of Medicinethe Catholic University of KoreaSeoul 34943South Korea Department of Surgery Uijeongbu St.Mary's HospitalCollege of Medicinethe Catholic University of KoreaSeoul 11765South Korea Department of Biomedicine and Health Science College of Medicinethe Catholic University of KoreaSeoul 06591South Korea Department of Surgery Eunpyeong St.Mary’s HospitalCollege of Medicinethe Catholic University of KoreaSeoul 03312South Korea Department of Medicinal Chemistry and Pharmacology University of Science and TechnologyDaejeon 34113South Korea

BACKGROUND The use of methyl-tertiary butyl ether(MTBE)to dissolve gallstones has been limited due to concerns over its toxicity and the widespread recognition of the safety of laparoscopic *** adverse effects of MTBE are largely attributed to its low boiling point,resulting in a tendency to ***,if there is a material with a higher boiling point and similar or higher dissolubility than MTBE,it is expected to be an attractive alternative to *** To determine whether tert-amyl ethyl ether(TAEE),an MTBE analogue with a relatively higher boiling point(102°C),could be used as an alternative to MTBE in terms of gallstone dissolubility and *** The in vitro dissolubility of MTBE and TAEE was determined by measuring the dry weights of human gallstones at predetermined time intervals after placing them in glass containers with either of the two *** in vivo dissolubility was determined by comparing the weights of solvent-treated gallstones and control(dimethyl sulfoxide)-treated gallstones,after the direct infusion of each solvent into the gallbladder in both hamster models with cholesterol and pigmented *** The in vitro results demonstrated a 24 h TAEE-dissolubility of 76.7%,56.5%and 38.75%for cholesterol,mixed,and pigmented gallstones,respectively,which represented a 1.2-,1.4-,and 1.3-fold increase in dissolubility compared to that of *** the in vitro experiment,the 24 h-dissolubility of TAEE was 71.7%and 63.0%for cholesterol and pigmented gallstones,respectively,which represented a 1.4-and 1.9-fold increase in dissolubility compared to that of *** addition,the results of the cell viability assay and western blot analysis indicated that TAEE had a lower toxicity towards gallbladder epithelial cells than *** We demonstrated that TAEE has higher gallstone dissolubility properties and safety than those of *** such,TAEE could present an attractive alternative to MTBE if our findings

关键词： Tert-amyl ethyl ether Gallstones Methyl-tert-butyl ether Contact litholytic agent

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Apolipoprotein A-I binding protein-mediated neuroprotection in glaucomatous neuroinflammation and neurodegeneration

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Neural Regeneration Research 2025年第5期20卷 1414-1415页

作者： Sinwoo Hwang Seunghwan choi Soo-ho choi Keun-Young Kim Yury I.Miller Won-Kyu Ju Hamilton Glaucoma Center and Shiley Eye Institute The Viterbi Family Department of OphthalmologyUniversity of California San DiegoLa JollaCAUSA Department of Medicine University of California San DiegoLa JollaCAUSA National Center for Microscopy and Imaging Research Department of NeurosciencesUniversity of California San DiegoLa JollaCAUSA

Glaucoma is a multifactorial eye disorder that can cause vision loss and irreversible blindness,affecting individ uals aged 40 to 80 yea rs *** to the aging population,it is expected that the number of people affected by glaucoma will surpass 111 million by 2040 as the disease becomes more *** primarily contributes to optic nerve axon loss and the progressive degeneration of retinal ganglion cells (RGCs),subsequently leading to vision impairment.

关键词： irreversible pass primarily

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Study of Partial Coefficients for Design of Semicircular Breakwaters

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China Ocean Engineering 2010年第1期24卷 29-40页

作者：郄禄文 Byung ho choi College of Civil Engineering Hebei University Department of Civil and Environmental Engineering Sungkyunkwan University300 Chunchun-dongJangan-GuSuwon

In the present study, the reliability design of semicircular breakwater is based on the verification of the rules defined by standard specifications, where partial coefficients are introduced to ensure safety. The reliability of the semicircular breakwaters has been analyzed by using the Hasofer-Lind method to determine the reliability index of structure that has correlated loads, utilizing the long-term observed wave data at a given place. The relation curve between reliability index and safety factor in the traditional design method, as well as the relationships between reliability index and partial coefficients, have been obtained. This paper proposes values of partial coefficients for the design expression of semicircular breakwaters in the cases of anti-sliding and anti-overturning.

关键词： partial coefftcient reliability index correlated variables semicircular breakwater

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