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Necroptosis:An emerging type of cell death in liver diseases

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World Journal of Gastroenterology 2014年第35期20卷 12526-12532页

作者： Waqar Khalid Saeed dae won jun Department of Gastroenterology Hanyang University School of Medicine

Cell death has been extensively evaluated for decades and it is well recognized that pharmacological interventions directed to inhibit cell death can prevent significant cell loss and can thus improve an organ’s physiological function. For long, only apoptosis was considered as a sole form of programmed cell death. Recently necroptosis, a RIP1/RIP3-dependent programmed cell death, has been identified as an apoptotic backup cell death mechanism with necrotic morphology. The evidences of necroptosis and protective effects achieved by blocking necroptosis have been extensively reported in recent past. However, only a few studies reported the evidence of necroptosis and protective effects achieved by inhibiting necroptosis in liver related disease conditions. Although the number of necroptosis initiators is increasing; however, interestingly, it is still unclear that what actually triggers necroptosis in different liver diseases or if there is always a different necroptosis initiator in each specific disease condition followed by specific downstream signaling molecules. Understanding the precise mechanism of necroptosis as well as counteracting other cell death pathways in liver diseases could provide a useful insight towards achieving extensive therapeutic significance. By targeting necroptosis and/or other parallel death pathways, a significant cell loss and thus a decrement in an organ’s physiological function can be prevented.

关键词： Necroptosis Programmed necrosis Apoptosis Cell death Liver disease

Is it now possible to transition from laparoscopic liver resection to robotic liver resection?

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Hepatobiliary Surgery and Nutrition 2024年第3期13卷 557-559页

作者： Kyeong Sik Kim dae won jun Department of General Surgery College of MedicineHanyang UniversitySeoulKorea Department of Internal Medicine College of MedicineHanyang UniversitySeoulKorea Hanyang Institute of Bioscience and Biotechnology Hanyang UniversitySeoulKorea

Minimally invasive surgery(MIS)has significantly progressed and emerged as the preferred approach for various gastrointestinal procedures,including gastrectomy,cholecystectomy,and various colorectal surgeries(1).However,the widespread acceptance of robotic surgery in liver resection has encountered obstacles,attributed to factors such as the lack of appropriate surgical instruments,the intricate learning curve,and safety ***,the utilization of MIS in liver resection is linked to decreased blood loss,reduced post-operative pain,shorter hospital stays,and lower morbidity rates compared to both open and laparoscopic liver resection procedures(2).

关键词： Laparoscopic liver resection robotic liver resection minimally invasive surgery(MIS)

Viewpoint: necroptosis influences the type of liver cancer via changes of hepatic microenvironment

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Hepatobiliary Surgery and Nutrition 2019年第5期8卷 549-551页

作者： Waqar K.Saeed dae won jun Department of Internal Medicine Hanyang University School of MedicineSeoulRepublic of Korea

Cell death is a fundamental step in progression of varioushepatic ***,an apoptosis alternate celldeath,has been documented in various hepatic *** like apoptosis,necroptosis modulation could also haltdisease progressio... 详细信息

关键词： death liver apoptosis

Asymptomatic lymphangioma involving the spleen and retroperitoneum in adults

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World Journal of Gastroenterology 2009年第44期15卷 5620-5623页

作者： Sook Hee Chung Young Sook Park Yun Ju Jo Seong Hwan Kim dae won jun Byoung Kwan Son jun Young jung dae Hyun Baek Dong Hee Kim Yoon Young jung won Mi Lee Department of Internal Medicine Eulji General Hospital Eulji University School of MedicineSeoul 139-711South Korea Department of General Surgery Eulji General HospitalEulji University School of MedicineSeoul 139-711 South Korea Department of Radiology Eulji General HospitalEulji University School of MedicineSeoul 139-711 South Korea Department of Pathology Eulji General Hospital Eulji University School of MedicineSeoul 139-711 South Korea

Lymphangioma, a benign neoplasm of the lymphatic system, is common in children but rare in adults. Its clinical manifestations include abdominal pain, nausea, vomiting and a palpable mass. However, abdominal sonography or abdominal computed tomography （CT） scan can also incidentally reveal lymphangioma. A larger or symptomatic lymphangioma is treated with total resection to prevent recurrence, infection, torsion and enlargement. Although lymphangioma rarely becomes malignant, its prognosis is generally good. We report a cystic lymphangioma of the spleen and retroperitoneum, which was incidentally found in a 56-year-old man who was hospitalized due to a colon mass. Physical examination showed no specific findings. Abdominal CT revealed a 5.7 cm, non-enhanced multilobulated cystic mass with multiple sepia in the spleen and a 10 cm lobulated cystic mass in the paraaortic area. Splenectomy and retroperitoneal resection of the cystic mass were conducted. The endothelium of splenic and retroperitoneal cyst was immunohistochemically stained with D2-40 antibody. The patient was finally diagnosed with splenic cystic and retroperitoneal cavernous lymphangioma.

关键词： Lymphangioma Retroperitoneum Spleen

Long term outcome of antiviral therapy in patients with hepatitis B associated decompensated cirrhosis

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World Journal of Gastroenterology 2018年第40期24卷 4606-4614页

作者： Young-Cheol Ju dae-won jun jun Choi Waqar Khalid Saeed Hyo-Young Lee Hyun-Woo Oh Department of Translational Medicine Graduate school of Biomedical Science and Engineering Hanyang University Department of Internal Medicine School of Medicine Hanyang University Department of Industrial Management Engineering Korea University

AIM To investigate survival rate and incidence of hepatocellular carcinoma(HCC) in patients with decompensated cirrhosis in the antiviral *** We used the Korean Health Insurance Review and Assessment. Korea's health insurance system is a public single-payer system. The study population consisted of 286871 patients who were prescribed hepatitis B antiviral therapy for the first time between 2007 and 2014 in accordance with the insurance ***, 48365 antiviral treatment-na?ve patients treated between 2008 and 2009 were included, and each had a follow-up period ≥ 5 years. Data were analyzed for the 1 st decompensated chronic hepatitis B(CHB) and treatment-na?ve patients(n = 7166). RESULTS The mean patient age was 43.5 years. The annual mortality rates were 2.4%-19.1%, and 5-year cumulative mortality rate was 32.6% in 1^(st) decompensated CHB treatment-na?ve subjects. But the annual mortality rates sharply decreased to 3.4%(2.4%-4.9%, 2-5 year) after one year of antiviral treatment. Incidence of HCC at first year was 14.3%, the annual incidence of HCC decreased to 2.5%(1.8%-3.7%, 2-5 year) after one year. 5-year cumulative incidence of HCC was 24.1%. Recurrence rate of decompensated event was 46.9% at first year, but the annual incidence of second decompensation events in decompensated CHB treatment-na?ve patients was 3.4%(2.1%-5.4%, 2-5 year) after one year antiviral treatment. 5-year cumulative recurrence rate of decompensated events was 60.6%. Meanwhile, 5-year cumulative mortality rate was 3.1%, and 5-year cumulative incidence of HCC was 11.5% in compensated CHB treatment-na?ve *** Long term outcome of decompensated cirrhosis treated with antiviral agent improved much, and incidence of hepatocellular carcinoma and mortality sharply decreased after one year treatment.

关键词： Hepatitis B Antiviral agent Decompensated cirrhosis Mortality Hepatocellular carcinoma

Assessment of risk of complications in cirrhosis using portal thallium scans

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World Journal of Gastroenterology 2014年第1期20卷 228-234页

作者： Hye-Jin Tae dae-won jun Yun-Young Choi Min-jung Kwak Min-Ho Lee Department of Internal Medicine Hanyang University School of MedicineSeoul 133-792South Korea Department of Nuclear Medicine Hanyang University College of MedicineSeoul 133-792South Korea Department of Computer Science and Statistics Pyongtaek UniversityPyongtaek 450-701South Korea

AIM:To investigate the usefulness of a novel thallium scan shunt index for assessing portosystemic shuntrelated cirrhotic ***:We enrolled 209 chronic hepatitis B-related cirrhosis *** rectal thallium instillation,radioactive isotope activity in the heart and liver was *** ratio of radiation uptake between the heart and the liver was calculated(the shunt index).This value indicates the degree of portosystemic circulation *** tests,serum biochemistry tests,abdominal ultrasonography,gastroscopy and examination of clinical features such as the occurrence of varices,bleeding and hepatic encephalopathy were *** analysis was used to identify independent risk factors for *** compared the cumulative incidence rates of complications during the follow-up ***:The thallium scan shunt index was significantly higher in the decompensated liver cirrhosis group than in the compensated liver cirrhosis group(0.91±0.39 vs 0.39±0.32,P<0.001).It was also higher in the varices group,the hepatic encephalopathy group,and the variceal bleeding group than in the control group(P<0.001).Multivariate analysis showed that the index was an independent risk factor for predicting decompensated liver *** the cut-off value was 0.75,the shunt index had a sensitivity of 82.6%,a specificity of 84%,a positive predictive value of 61.5%,and a negative predictive value of 94.4%in diagnosing decompensated *** the shunt index was greater than 0.75,there was a significant increase in the number of decompensated ***:The thallium shunt index is a good predictor of cirrhosis-related complications.

关键词： Liver cirrhosis Portosystemic shunt Decompensation

Colonoscopy evaluation after short-term anti-tuberculosis treatment in nonspecific ulcers on the ileocecal area

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World Journal of Gastroenterology 2008年第32期14卷 5051-5058页

作者： Young Sook Park dae won jun Seong Hwan Kim Han Hyo Lee Yun Ju Jo Moon Hee Song Nam In Kim jun Seok Lee Department of Internal Medicine Eulji University School of Medicine Eulji Medical Center

AIM: To evaluate the eff icacy of colonoscopy follow-up after short-term anti-tuberculosis treatment in patients with nonspecific ulcers on ileocecal areas being suspicious of tuberculous colitis. METHODS: We prospectively analyzed the colonoscopic fi ndings before and after short term anti- tuberculosis treatment in 18 patients with nonspecifi c ulcers on the ileocecal area and compared them with 7 patients of confi rmed tuberculous colitis by acid-fast bacilli or caseating granuloma on colonic biopsy. RESULTS: Mean duration for short-term follow- up was 107.3 d with combined chemotherapy containing isoniazid, rifampicin, ethambutol and pyrazinamide. Seven patients with tuberculous colitis showed complete healing of active ulcers after short- term medication. After short-term anti-tuberculosis treatment, follow-up colonoscopy findings devided 18 patients with nonspecific ulcers into two groups by ulcer state. One is the "suspicious tuberculous colitis group" showing healing of ulcers and erosions and another is the "suspicious inflammatory bowel disease group" showing active ulcers with or without aggravation of the lesion. Finally, all 9 of the "suspicious tuberculous colitis group" were diagnosed as tuberculous colitis showing no recurrence of ulcers after termination of 9 mo of anti-tuberculosis medication. Patients of the "suspicious inflammatorybowel disease group" were f inally diagnosed as Crohn's disease or nonspecifi c colonic ulcers during long-term follow up. CONCLUSION: Follow-up colonoscopy shows a healing stage ulcer or scarring change without an active ulcer with just 2 mo to 3 mo of medication in patients with tuberculous colitis. Colonoscopy follow-up after short term anti-tuberculosis trial in patients with nonspecif ic ulcers on the ileocecal area is valuable in making early differential diagnosis of tuberculous colitis.

关键词： Colonoscopy Short-term Anti-tuberculosis medication Tuberculous colitis Ileocecal ulcer

Comparison of renal safety of tenofovir and entecavir in patients with chronic hepatitis B: Systematic review with meta-analysis

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World Journal of Gastroenterology 2019年第23期25卷 2961-2972页

作者： Hyo-Young Lee Hyunwoo Oh Chan-Hyuk Park Yee-Hui Yeo Mindie H Nguyen dae-won jun Department of Internal Medicine Hanyang University College of MedicineSeoul 04763South Korea Department of Internal Medicine Hanyang University Guri HospitalHanyang University College of MedicineGuri 11923South Korea Division of Gastroenterology and Hepatology Stanford University Medical CenterStanford UniversityStanford 94305CAUnited States

BACKGROUND Recently, the American Association for the Study of Liver Disease suggested no preference between tenofovir(TDF) and entecavir(ETV) regarding potential long-term risks of renal complications. Over the years, renal safety has become a critical concern in nucleos(t)ide analog-treated patients due to the long-term use of these drugs. However, existing studies do not show significant differences in renal dysfunction between these two drugs. Further, there is a paucity of studies comparing the long-term renal effects of TDF and *** To investigate the effects of TDF and ETV on renal function, we performed systematic review and *** Two investigators independently searched the Cochrane Library, MEDLINE, and Embase databases for randomized controlled trials and nonrandomized studies(NRSs) using the keywords 'CHB', 'Tenofovir', and 'Entecavir', and additional references were obtained from the bibliographies of relevant articles published through December 2017. The quality of each study was assessed using the Newcastle-Ottawa scale and the Grading of Recommendations Assessment,Development and Evaluation criteria. The primary outcome was the change in serum creatinine level in the TDF and ETV groups at baseline, 6 mo, 12 mo and24 *** NRSs comprising 2263 participants met the inclusion criteria. Changes in creatinine levels were higher in the TDF group than in the ETV group at 6 mo[mean difference(MD) = 0.03 mg/dL;95%CI: 0.02-0.04;I2 = 0%], 12 mo(MD =0.05 mg/dL;95%CI: 0.02-0.08;I2 = 78%), and 24 mo(MD = 0.07 mg/dL;95%CI:0.01-0.13;I2 = 93%). The change in estimated glomerular filtration rate(eGFR) was significantly higher in the TDF group than in the ETV group at 6 mo[standardized mean difference(SMD),-0.22;95%Cl:-0.36--0.08;I2 = 0%], 12 mo(SMD =-0.24;95%Cl:-0.43--0.05;I2 = 50%), and 24 mo(-0.35;95%Cl:-0.61--0.09;I2= 67%).CONCLUSION TDF statistically significantly increased serum creatinine levels and decreased the eGFR in 6-24 mo compa

关键词： Hepatitis B Chronic Tenofovir Entecavir Safety Review Systematic Meta-analysis

Osthol attenuates hepatic steatosis via decreased triglyceride synthesis not by insulin resistance

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World Journal of Gastroenterology 2014年第33期20卷 11753-11761页

作者： Ho Hyun Nam dae won jun Hye Joon Jeon Jai Sun Lee Waqar Khalid Saeed Eun Kyung Kim Department of Translational Medicine Hanyang University Graduate School of Biomedical Science and Engineering Seoul 133-791 South Korea Department of Internal Medicine Hanyang University School of Medicine Seoul 133-791 South Korea Department of Pathology Eulji University College of Medicine Seoul 139-872 South Korea

AIM: To evaluate the effects of osthol on intrahepatic fat synthesis, β-oxidation, inflammation, and insulin resistance by multifaceted analysis.

关键词： Osthol Non-alcoholic fatty liver disease Ste-rol regulatory element binding protein