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Hepatobiliary & Pancreatic Diseases International 2018年第5期17卷 473-476页

作者： Seok-hwan Kim Ki-Hun Kim Tae-Yong Ha Dong-hwan jung Gil-Chun Park Sung-Gyu Lee Division of Hepatobiliary Surgery and Liver Transplantation Department of SurgeryAsan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea Department of Surgery Chungnam National University HospitalChungnam National University School of MedicineDaejeonKorea

Salvage liver transplantation(LT)is frequently performed on patients who experience recurrent hepatocellular carcinoma(HCC)after primary hepatectomy for HCC[1,2].The main concern in these patients is the technical feasibility of salvage LT,especially as prior hepatectomy may result in heavy adhesions[3,4].Salvage living donor LT(LDLT)is a more demanding procedure than salvage deceased donor LT(DDLT)using an entire donor graft with a long vascular pedicle[5,6].Because less than optimal dissection of perihepatic adhesions could result in uncontrollable pinpoint bleedings at the dissection surface[1,5],many transplant surgeons avoid performing salvage *** invasive laparoscopic hepatectomy(LH)results in fewer intraperitoneal adhesions than the open method,reducing the difficulty of surgical dissection during future LT[7–10].To date,however,no study has compared salvage LDLT for recurrent HCC after LH to that after open hepatectomy(OH).

关键词： LDLT experience recurrent

Pseudoaneurysm of gastroduodenal artery following radical gastrectomy for gastric carcinoma patients

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World Journal of Gastroenterology 2003年第12期9卷 2878-2879页

作者： Dong YiKim Jae KyoonJoo SeongYeobRyu Young JinKim shin KonKim Yong-Yeon jung Division of Gatroenterologic Surgery Department of SurgeryChonnam National University Medical SchoolGwangjuKorea Department of Radiology Chonnam National University Medical SchoolGwangjuKorea

We report a rare case of postoperative pseudoaneurysm of the gastroduodenal artery following radical *** trauma to the gastroduodenal artery during regional lymphadenectomy was considered as the cause of the postoperative pseudoaneurysm. The pseudoaneurysm was successfully managed by ligating the bleeding vessel. We should consider the possibility of pseudoaneurysm formation in a patient with gastrointestinal bleeding in the postoperative period following radical gastrectomy with regional lymph node and perivascular lymphatic dissection.

关键词： Aged Aneurysm, False Duodenum Fatal Outcome Gastrectomy Humans Male Mesenteric Artery, Superior Stomach Stomach Neoplasms Time Factors

Identification of differentially expressed miRNAs associated with chronic kidney disease-mineral bone disorder

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Frontiers of Medicine 2017年第3期11卷 378-385页

作者： Kyung Im Kim Sohyun Jeong Nayoung Han jung Mi Oh Kook-hwan Oh In-Wha Kim College of Pharmacy Korea University Sejong 30019 Republic of Korea College of Pharmacy and Research Institute of Pharmaceutical Sciences -Seoul National University Seoui 08826 Republic of Korea Divisionof-Nephrology Department of Internai Medicine Seoul National University Hospital Seoul 03080 Republic of Korea

The purpose of this study is to characterize a meta-signature of differentially expressed mRNA in chronic kidney disease （CKD） to predict putative microRNA （miRNA） in CKD-mineral bone disorder （CKD- MBD） and confirm the changes in these genes and miRNA expression under uremic conditions by using a cell culture system. PubMed searches using MeSH terms and keywords related to CKD, uremia, and mRNA arrays were conducted. Through a computational analysis, a meta-signature that characterizes the significant intersection of differentially expressed mRNA and expected miRNAs associated with CKD-MBD was determined. Additionally, changes in gene and miRNA expressions under uremic conditions were confirmed with human Saos-2 osteoblast-like cells. A statistically significant mRNA meta-signature of upregulated and downregulated mRNA levels was identified. Furthermore, miRNA expression profiles were inferred, and computational anaIyses were performed with the imputed mieroRNA regulation based on weighted ranked expression and putative microRNA targets （IMRE） method to identify miRNAs associated with CKD occurrence. TLR4 and miR-146b levels were significantly associated with CKD-MBD. TLR4 levels were significantly downregulated, whereas pri- miR-146b and miR-146b were upregulated in the presence of uremic toxins in human Saos-2 osteoblast-like cells. Differentially expressed miRNAs associated with CKD-MBD were identified through a computational analysis, and changes in gene and miRNA expressions were confirmed with an in vitro cell culture system.

关键词： chronic kidney disease microRNA mineral bone disorder uremia

Multifunctional GelMA platforms with nanomaterials for advanced tissue therapeutics

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Bioactive Materials 2022年第2期7卷 267-295页

作者： Amal George Kurian Rajendra KSingh Kapil DPatel jung-hwan Lee Hae-Won Kim Institute of Tissue Regeneration Engineering(ITREN) Dankook UniversityCheonan31116Republic of Korea Department of Nanobiomedical Science&BK21 NBM Global Research Center for Regenerative Medicine Dankook UniversityCheonan31116Republic of Korea Biomaterials and Tissue Engineering UCL Eastman Dental InstituteLondonWC1X8LDUK Department of Biomaterials Science School of DentistryDankook UniversityCheonan31116Republic of Korea UCL Eastman-Korea Dental Medicine Innovation Centre Dankook UniversityCheonan31116Republic of Korea Cell&Matter Institute Dankook UniversityCheonan31116Republic of Korea Department of Regenerative Dental Medicine College of DentistryDankook UniversityCheonan31116Republic of Korea Mechanobiology Dental Medicine Research Center Dankook UniversityCheonan31116Republic of Korea

Polymeric hydrogels are fascinating platforms as 3D scaffolds for tissue repair and delivery systems of therapeutic molecules and *** others,methacrylated gelatin(GelMA)has become a representative hydrogel formulation,finding various biomedical *** efforts on GelMA-based hydrogels have been devoted to combining them with bioactive and functional nanomaterials,aiming to provide enhanced physicochemical and biological properties to *** benefits of this approach are multiple:i)reinforcing mechanical properties,ii)modulating viscoelastic property to allow 3D printability of bio-inks,iii)rendering electrical/magnetic property to produce electro-/magneto-active hydrogels for the repair of specific tissues(e.g.,muscle,nerve),iv)providing stimuli-responsiveness to actively deliver therapeutic molecules,and v)endowing therapeutic capacity in tissue repair process(e.g.,antioxidant effects).The nanomaterial-combined GelMA systems have shown significantly enhanced and extraordinary behaviors in various tissues(bone,skin,cardiac,and nerve)that are rarely observable with *** we systematically review these recent efforts in nanomaterials-combined GelMA hydrogels that are considered as next-generation multifunctional platforms for tissue *** approaches used in GelMA can also apply to other existing polymeric hydrogel systems.

关键词： GelMA hydrogel Nanomaterials Multifunctional Therapeutics Tissue repair

Ischemic colitis during interferon-ribavirin therapy for chronic hepatitis C:A case report

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World Journal of Gastroenterology 2012年第31期18卷 4233-4236页

作者： Su jung Baik Tae Hun Kim Kwon Yoo Il hwan Moon Min-Sun Cho Department of Gastroenterology Health Promotion CenterYonsei University Gangnam Severance HospitalSeoul 158-050South Korea Department of Internal Medicine Ewha Medical Research InstituteEwha University Mokdong HospitalEwha Womans University School of MedicineSeoul 158-710South Korea Department of Pathology Ewha University Mokdong HospitalEwha Womans University School of MedicineSeoul 158-710South Korea

Ischemic colitis is a rare complication of interferon *** 9 cases in 6 reports have been described *** report describes a case of ischemic colitis during pegylated interferon and ribavirin treatment for chronic hepatitis C,and includes a review of the relevant literature.A 48-year-old woman was treated with pegylated interferon-2a and ribavirin for chronic hepatitis C,genotype *** 19 wk of treatment,the patient complained of severe afebrile abdominal pain with *** signs were stable and serum white blood cell count was within the normal *** computed tomography showed diffuse colonic wall thickening from the splenic flexure to the proximal sigmoid colon,which is the most vulnerable area for the development of ischemic *** revealed an acute mucosal hyperemic change,with edema and ulcerations extending from the proximal descending colon to the sigmoid *** mucosal biopsy revealed acute exudative *** chain reaction and culture for Mycobacterium tuberculosis were negative and the cultures for cytomegalovirus,Salmonella and Shigella species were *** discontinuation of interferon and ribavirin therapy,abdominal pain and hematochezia subsided and,following colonoscopy showed improvement of the mucosal *** colitis cases during interferon therapy in patients with chronic hepatitis C reported so far have all involved the descending *** colitis is a rarely encountered complication of interferon administration in patients with chronic hepatitis C and should be considered when a patient complains of abdominal pain and hematochezia.

关键词： Ischemia Hepatitis C Interferon

Sequential transcatheter arterial chemoembolization and portal vein embolization before right hemihepatectomy in patients with hepatocellular carcinoma

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Hepatobiliary & Pancreatic Diseases International 2020年第3期19卷 244-251页

作者： Gil Chun Park Sung Gyu Lee Young In Yoon Kyu Bo Sung Gi Young Ko Dong Il Gwon Dong hwan jung Yong Kyu jung Division of Hepatobiliary Surgery and Liver Transplantation Department of SurgeryAsan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea Department of Radiology and Research Institute of Radiology Asan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea

Background:Recent studies showed that sequential selective transcatheter arterial chemoembolization(TACE)and portal vein embolization(PVE)provided better future liver remnant(FLR)regeneration rate and disease-free survival following surgery compared with PVE *** present study aimed to clarify whether preoperative sequential TACE and PVE before right hemihepatectomy can reduce postoperative hepatocellular carcinoma(HCC)recurrence and improve long-term disease-free and overall ***:Recurrence and survival outcomes were retrospectively evaluated in 205 patients with HCC who underwent right hemihepatectomy by a single surgeon from November 1993 to November *** were divided into four groups according to the procedure performed before the surgery:sequential TACE and PVE(TACE-PVE),PVE-only,TACE-only,or na?ve control *** baseline patient and tumor characteristics,postoperative outcomes,recurrence-free survival and overall survival were ***:Baseline patient and tumor characteristics upon diagnosis were similar in all four groups,while sequential TACE and PVE were well *** TACE-PVE group had a higher mean increase in percentage FLR volume compared with that of the PVE-only group(17.46%±6.63%vs.12.14%±5.93%;P=0.001).The TACE-PVE group had significantly better overall and disease-free survival rates compared with the other groups(both P<0.001).Conclusions:Sequential TACE and PVE prior to surgery can be an effective therapeutic strategy for patients with HCC scheduled for major hepatic *** active application of preoperative sequential TACE and PVE for HCC would allow more patients with marginal FLR volume to become candidates for major hepatic resection by promoting compensatory FLR hypertrophy without the deterioration of basal hepatic functional reserve or tumor progression.

关键词： Sequential selective transcatheter Arterial chemoembolization Portal vein embolization Hepatocellular carcinoma Future liver remnant

Toxocara optic neuropathy: clinical features and ocular findings

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International Journal of Ophthalmology(English edition) 2018年第3期11卷 520-523页

作者： Kwang-Dong Choi Jae-hwan Choi Seo-Young Choi Jae Ho jung Department of Neurology Pusan National University Hospital Medical Research Institute Pusan National University Department of Neurology Pusan National University Yangsan Hospital Department of Ophthalmology Pusan National University Yangsan Hospital Research Institute for Convergence of Biomedical Science and Technology Pusan National University Yangsan Hospital

We evaluated thirteen eyes of twelve patients diagnosed clinically and serologically with Toxocara optic neuropathy. Eleven patients had unilateral involvement and one patient had bilateral optic neuropathy. Eight patients （66.7%） had a possible infection source to Toxocara. Six patients （50%） had painless acute optic neuropathy. Ten eyes had asymmetric, sectorial optic disc edema with peripapillary infiltration and three eyes had diffuse optic disc edema. Eosinophilia was noted in five patients （41.7%） and optic nerve enhancement was observed in eight of eleven eyes （72.7%） with available orbit magnetic resonance imaging （MRI）. Mean visual acuity significantly improved following treatment [mean logarithmic of the minimum angle of resolution （IogMAR） 0.94±0.56 at baseline and 0.47±0.59 at the final （P=0.02）]. Asymmetric optic disc edema with a peripapillary lesion and a history of raw meat ingestion were important clues for diagnosing Toxocara optic neuropathy. Additionally, Toxocara IgG enzymelinked immunosorbent assay （ELISA） test and evaluating eosinophil may be helpful for diagnosis.

关键词： optic neuropathy toxocariasis ocular toxocariasis Toxocara optic neuropathy

InIncidence and clinical features of endoscopic ulcers developing after gastrectomy

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World Journal of Gastroenterology 2012年第25期18卷 3260-3266页

作者： Woo Chul Chung Eun jung Jeon Kang-Moon Lee Chang Nyol Paik Sung Hoon jung jung hwan Oh Ji Hyun Kim Kyong-Hwa Jun Hyung Min Chin Department of Internal Medicine The Catholic University of KoreaSeoul 130-709South Korea Department of Surgery The Catholic University of Korea College of MedicineSeoul 130-709South Korea

AIM： To determine the precise incidence and clinica features of endoscopic ulcers following gastrectomy. METHODS： A consecutive series of patients who un- derwent endoscopic examination following gastrectomy between 2005 and 2010 was retrospectively analyzed. A total of 78 patients with endoscopic ulcers and 759 without ulcers following gastrectomy were enrolled. We analyzed differences in patient age, sex, size of the le- sions, method of operation, indications for gastric resec- tion, and infection rates of Helicobacterpylor/（H. pylor/~ between the nonulcer and ulcer groups. RESULTS： The incidence of endoscopic ulcers after gastrectomy was 9.3% and that of marginal ulcers was 8.6%. Ulcers were more common in patients with Billroth l] anastomosis and pre-existing conditions forpeptic ulcer disease （PUD）. Infection rates of H. pylori- did not differ significantly between the two groups. The patients who underwent operations to treat PUD had lower initial levels of hemoglobin and higher rates of hospital admission. CONCLUSION： H. pylori was not an important factor in ulcerogenesis following gastrectomy. For patients who underwent surgery for PUD, clinical course of mar- ginal ulcers was more severe.

关键词： Gastrectomy Marginal ulcer Helicobacterpylori

Differential risk of 23 site-specific incident cancers and cancer-related mortality among patients withmetabolic dysfunction-associated fatty liver disease:a population-based cohort study with 9.7 million Korean subjects

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Cancer Communications 2023年第8期43卷 863-876页

作者： Goh Eun Chung Su Jong Yu Jeong-Ju Yoo Yuri Cho Kyu-na Lee Dong Wook shin Yoon Jun Kim jung-hwan Yoon Kyungdo Han Eun Ju Cho Department of Internal Medicine and Healthcare Research Institute Seoul National University Hospital Healthcare System Gangnam CenterSeoulRepublic of Korea Department of Internal Medicine and Liver Research Institute Seoul National University College of MedicineSeoulRepublic of Korea Department of Gastroenterology and Hepatology Soonchunhyang University Bucheon HospitalBucheonGyeonggi-doRepublic of Korea Center for Liver and Pancreatobiliary Cancer National Cancer CenterGoyangGyeonggi-doRepublic of Korea Department of Biomedicine&Health Science Catholic University of KoreaSeoulRepublic of Korea Department of Family Medicine/Supportive care center Samsung Medical CenterSungkyunkwan University School of MedicineSeoulRepublic of Korea Department of Clinical Research Design and Evaluation/Department of Digital Health Samsung Advanced Institute for Health ScienceSeoulRepublic of Korea Department of Statistics and Actuarial Science Soongsil UniversitySeoulRepublic of Korea

Introduction:Although an association between metabolic dysfunctionassociated fatty liver disease(MAFLD)and cardiovascular disease or overall mortality has been reported,it is unclearwhether there is an association between MAFLD and cancer incidence or *** aimed to investigate the differential risk of all-and site-specific cancer incidence and mortality according to MAFLD subgroups categorized by additional etiologies of liver ***:Using the Korean National Health Insurance Service database,we stratified the participants into three groups:(1)single-etiology MAFLD(SMAFLD)or MAFLD of pure metabolic origin;(2)mixed-etiology MAFLD(M-MAFLD)or MAFLD with additional etiological factor(s)(i.e.,concomitant liver diseases and/or heavy alcohol consumption);and(3)*** steatosis and fibrosiswere defined using the fatty liver index and the BARDscore,*** proportional hazards regression was performed to estimate the risk of cancer ***:Among the 9,718,182 participants,the prevalence of S-MAFLD and M-MAFLD was 29.2%and 6.7%,*** the median 8.3 years of follow-up,510,330(5.3%)individuals were newly diagnosed with cancer,and 122,774(1.3%)cancer-related deaths occurred among the entire *** with the non-MAFLD group,the risk of all-cancer incidence and mortality was slightly higher among patients in the S-MAFLD group(incidence,adjusted hazard ratio[aHR]=1.03;95%confidence interval[CI]:1.02−1.04;mortality,aHR=1.06;95%CI:1.04−1.08)and highest among patients with M-MAFLD group(incidence,aHR=1.31;95%CI:1.29−1.32;mortality,aHR=1.45;95%CI:1.42−1.48,respectively).The M-MAFLD with fibrosis group(BARD score≥2)showed the highest relative risk of all-cancer incidence(aHR=1.38,95%CI=1.36–1.39),followed by the M-MAFLD without fibrosis group(aHR=1.09,95%CI=1.06–1.11).Similar trends were observed for cancer-related ***:MAFLD classification,by applying additional etiologies other than pure metabolic origi

关键词： cancer etiology metabolic mortality steatosis

Effects of electroacupuncture on the functionality of NG2-expressing cells in perilesional brain tissue of mice following ischemic stroke

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Neural Regeneration Research 2022年第7期17卷 1556-1565页

作者： Hong Ju Lee Da Hee jung Nam Kwen Kim Hwa Kyoung shin Byung Tae Choi Department of Korean Medical Science School of Korean MedicinePusan National UniversityYangsanRepublic of Korea Graduate Training Program of Korean Medicine for Healthy Aging Pusan National UniversityYangsanRepublic of Korea Department of Korean Ophthalmology Otolaryngology and DermatologySchool of Korean MedicinePusan National UniversityYangsanRepublic of Korea

Neural/glial antigen 2(NG2)-expressing cells has multipotent stem cell activity under cerebral *** study examined the effects of electroacupuncture(EA)therapy(2 Hz,1 or 3 mA,20 minutes)at the Sishencong acupoint on motor function after ischemic insult in the brain by investigating the rehabilitative potential of NG2-derived cells in a mouse model of ischemic *** stimulation alleviated motor deficits caused by ischemic stroke,and 1 mA EA stimulation was more efficacious than 3 mA EA stimulation or positive control treatment with edaravone,a free radical *** properties of NG2-expressing cells were altered with 1 mA EA stimulation,enhancing their survival in perilesional brain tissue via reduction of tumor necrosis factor alpha *** stimulation robustly activated signaling pathways related to proliferation and survival of NG2-expressing cells and increased the expression of neurotrophic factors such as brain-derived neurotrophic factor,tumor growth factor beta,and neurotrophin *** the perilesional striatum,EA stimulation greatly increased the number of NG2-expressing cells double-positive for oligodendrocyte,endothelial cell,and microglia/macrophage markers(CC1,CD31,and CD68).EA therapy also greatly activated brain-derived neurotrophic factor/tropomyosin receptor kinase B and glycogen synthase kinase 3 beta *** results indicate that EA therapy may prevent functional loss at the perilesional site by enhancing survival and differentiation of NG2-expressing cells via the activation of brain-derived neurotrophic factor-induced signaling,subsequently ameliorating motor *** animal experiments were approved by the Animal Ethics Committee of Pusan National University(approval ***2019-2199 and PNU2019-2884)on April 8,2019 and June 19,2019.

关键词： brain-derived neurotrophic factor differentiation electroacupuncture motor function neural/glial antigen 2 perilesional striatum stroke survival