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Management of the complications of endoscopic submucosal dissection

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World Journal of Gastroenterology 2011年第31期17卷 3575-3579页

作者： seong Hwan Kim Jeong Seop Moon Young Hoon Youn Ki myung Lee Sung Joon Lee Division of Gastroenterology Department of Internal MedicineEulji University Division of Gastroenterology Department of Internal MedicineInje UniversitySeoul Paik Hospital Division of Gastroenterology Department of Internal MedicineYonsei University-ang Nam Severance Hospital Division of Gastroenterology Department of Internal MedicineAjou University Hospital Division of Gastroenterology Department of Internal Medicineang-on University Hospital

Endoscopic submucosal dissection(ESD) is currently widely accepted as a standard treatment option for early gastrointestinal neoplasms in ***,ESD has technical difficulties and a longer procedure time than conventional endoscopic *** it may have a higher risk of complications than conventional endoscopic resection ***,the ESD study group of Korean Society of Gastrointestinal Endoscopy,have experienced many complications,mostly treated by endoscopic or conservative ***,we introduce and share our experiences for managementof post ESD complications and review published papers on the topic.

关键词： Endoscopic submucosal dissection Complication Management

An effective method to reduce residual lithium compounds on Ni-rich Li[Ni0.6Co0.2Mn0.2]O2 active material using a phosphoric acid derived Li3PO4 nanolayer

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Nano Research 2015年第5期8卷 1464-1479页

作者： Chang-Heum Jo dae-Hyun Cho Hyung-Joo Noh Hithshi Yashiro Yang-Kook Sun Seung Taek myung Department of Nano Engineering Sejong University 98 Gunja-dong Gwangjin-gu Seou1143-747 Republic of Korea Department of Chemical Engineering Iwate University Morioka Iwate 020-8551 Japan Department of Energy Engineering Hanyang University Seongdong-gu Seou1133-791 Republic of Korea

The Ni-rich Li[Ni0.6Co0.2Mn0.2]O2 surface has been modified with H3PO4. After coating at 80 ℃, the products were heated further at a moderate temperature of 500 ℃ in air, when the added H3PO4 transformed to Li3PO4 after reacting with residual LiOH and Li2CO3 on the surface. A thin and uniform smooth nanolayer （〈 10 nm） was observed on the surface of Li[Ni0.6Co0.2Mn0.2]O2 as confirmed by transmission electron microscopy （TEM）. Time-of-flight secondary ion mass spectroscopic （ToF-SIMS） data exhibit the presence of LIP＋, LiPO-, and Li2PO2＋ fragments, indicating the formation of the Li3PO4 coating layer on the surface of the Li[Ni0.6Co0.2Mn0.2]O2. As a result, the amounts of residual lithium compounds, such as LiOH and Li2CO3, are significantly reduced. As a consequence, the LigPO4-coated Li[Ni0.6Co0.2Mn0.2]O2 exhibits noticeable improvement in capacity retention and rate capability due to the reduction of residual LiOH and Li2CO3. Further investigation of the extensively cycled electrodes by X-ray diffraction （XRD）, TEM, and ToF-SIMS demonstrated that the LiBPO4 coating layers have multi-functions： Absorption of water in the electrolyte that lowers the HF level, HF scavenging, and protection of the active materials from deleterious side reactions with the electrolyte during extensive cycling, enabling high capacity retention over 1,000 cycles.

关键词： Li3PO4 coating positive electrode lithium batteries

Positive regulation of cell proliferation by the miR-1290-EHHADH axis in hepatocellular carcinoma

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Cancer Communications 2024年第6期44卷 705-709页

作者： Jinkwon Lee Gyeonghwa Kim Tae-Su Han Eunsun Jung Taesang Son Kwangho Kim Kiyoon Kwon Yuna Roh Tae Young Ryu In Hwan Tae Yunsang Kang Byungheon Lee Yu Rim Lee Soo Young Park Won Young Tak dae-Soo Kim Mi-Young Son Keun Hur Hyun-Soo Cho Stem Cell Convergence Research Center Korea Research Institute of Bioscience and BiotechnologyDaejeonRepublic of Korea Department of Bioscience Korea University of Science and TechnologyDaejeonRepublic of Korea Department of Biochemistry and Cell Biology School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Biological Science Sungkyunkwan UniversitySuwonRepublic of Korea Department of Internal Medicine School of MedicineKyungpook National University HospitalDaeguRepublic of Korea Department of Biomedical Convergence Science and Technology School of ConvergenceKyungpook National UniversityDaeguRepublic of Korea

Hepatocellular carcinoma(HCC)is the second most common cancer and the third leading cause of cancer-related death worldwide[1].Recently,HCC incidence and mortality rates have further increased due to changes in the global social environment and dietary habits[2].HCC is treated by surgical resection or combination chemotherapy,but the overall survival rate of HCC patients has not improved,and the recurrence rate is still high due to strong invasiveness and resistance to chemotherapy[3].

关键词： chemotherapy mortality cancer

Femoral neck stress fractures after trampoline exercise:A case report

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World Journal of Clinical Cases 2021年第18期9卷 4783-4788页

作者： dae Cheol Nam Sun Chul Hwang Eun Chang Lee myung-Geun Song Jun-Il Yoo Department of Orthopaedic Surgery Gyeongsang National University School of MedicineJinju 52727South Korea Department of Orthopaedic Surgery and Institute of Health Sciences Gyeongsang National University School of Medicine and Gyeongsang National University HospitalJinju 52727South Korea

BACKGROUND Femoral neck stress fractures(FNSFs)are commonly found in long-distance running *** FNSFs,early diagnosis and proper treatment are *** objective of this study was to report FNSFs that occurred after excessive exercise using trampoline in middle-aged *** SUMMARY The patient was a 43-year-old woman who exercised jumping on a trampoline for 6 wk for 1-3 h a day to *** includes repeated flexion-extension of the hip *** patient was admitted to the hospital due to sudden bilateral groin pain that occurred suddenly during a trampoline *** magnetic resonance imaging(MRI)revealed bilateral *** 2 wk of follow-up with conservative treatment,the pain slightly ***,it did not disappear *** was determined that it was difficult to control symptoms only by conservation ***,closed reduction and internal fixation using a cannulated screw were performed for the more painful left hip *** operation,the pain was *** using crutches was *** MRI showed that the right femoral head signal was decreased compared to the left femoral head ***,nonsteroidal anti-inflammatory drug and conservative treatment were *** In middle-aged people,excessive trampoline exercise can repeat hip flexion and extension for a short period of time,leading to FNSFs.

关键词： Trampoline exercise Femoral neck stress fracture Neck Fracture Case report

Changes of the intestinal endocrine cells in the C57BL/6 mouse after implantation of murine lung carcinoma (3LL): An immunohistochemical quantitative study

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World Journal of Gastroenterology 2005年第35期11卷 5460-5467页

作者： Sae-Kwang Ku Seung-Kyoo seong dae-Young Kim Hyeung-Sik Lee Jong-dae Kim Hae-Yun Choi Bu-Il Seo Jae-Hyun Lee Pharmacology and Toxicology Laboratory Central Research Laboratories Dong-Wha Pharmaceutical Industrial Co Ltd Anyang 430-017 Republic of Korea Developmental Biology/Embryology Division of Biological Science Gachon Medical School Kanghwha 417-840 Republic of Korea Department of Herbal Biotechnology daegu Haany University Gyeongsan 712-715 Republic of Korea College of Oriental Medicine daegu Haany University Gyeongsan 712-715 Republic of Korea Laboratory of Histology College of Veterinary Medicine Kyungpook National University Taegu 702-701 Republic of Korea

AIM: To study the distributions and frequencies of intestinal endocrine cells in the C57BL/6 mouse with immunohistochemical method using seven types of specific antisera against chromogranin A (CGA), serotonin,somatostatin, glucagons, gastrin, cholecystokinin (CCK)-8 and human pancreatic polypeptide (hPP) after abdominal subcutaneous implantation of murine lung carcinoma (3LL).METHODS: The experimental animals were divided into two groups, one is non-implanted Sham and the other is 3LL-implanted group. Samples were collected from six regions of intestinal tract at 28th d after implantation of 3LL cells (1×105 cell/mouse).RESULTS: In this study, five types of immunoreactive (IR) cells were identified except for gastrin and hPP. The regional distributions of the intestinal endocrine cells in the 3LL-implanted group were similar to those of the non-implanted Sham. However, significant decreases of IR cells were detected in 3LL-implanted group compared to those of non-implanted Sham. CGA- and serotonin-IR cells significantly decreased in 3LL-implanted groups compared to that of non-implanted Sham. Somatostatin-IR cells in the jejunum and ileum and CCK-8-IR cells in the jejunum of 3LL-implanted groups significantly decreased compared to that of non-implanted Sham. In addition,glucagon-IR cells were restricted to the ileum and colon of non-implanted ***: Implantation of tumor cell mass (3LL)induced severe quantifiable changes of intestinal endocrine cell density and the abnormality in density of intestinal endocrine cells may contribute to the development of gastrointestinal symptoms such as anorexia and indigestion, frequently encountered in patients with cancer.

关键词： Intestinal endocrine cell Immunohistochemistry C57BL/6 mouse 3LL Tumor

Recommendation application for video head impulse test based on fuzzy logic control

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Journal of Central South University 2016年第5期23卷 1208-1214页

作者： NGUYEN Thi Anh Dao KIM dae Young LEE Sang Min KIM Kyu Sung seong Ro Lee KWON Jang Woo Department of Computer and Information Engineering Inha University Department of Otorhinolaryngology Inha University Hospital Department of Electronic Engineering Inha University Department of Information and Electronics Engineering Mokpo National University

Vestibulo-ocular reflex(VOR) is an important biological reflex that controls eye movement to ensure clear vision while the head is in ***,VOR measurement is commonly done with a video head impulse test based on a velocity gain algorithm or a position gain algorithm,in which velocity gain is a VOR calculation on head and eye velocity,whereas position gain is calculated from head and eye *** aim of this work is first to compare the two algorithms' performance and to detect covert catch-up saccade,then to propose a stand-alone recommendation application for the patient's *** the first experiment,for ipsilesional and contralesional sides,the calculated position gain(0.94±0.17) is higher than velocity gain(0.84±0.19).Moreover,gain asymmetry of both lesion and intact sides using velocity gain is mostly higher than that from using position gain(four out of five subjects).Consequently,for subjects who have unilateral vestibular neuritis diagnosed from clinical symptoms and a vestibular function test,vestibular weakness is depicted by velocity gain much better than by position *** catch-up saccade and position gain then are used as inputs for recommendation applications.

关键词： vestibulo-ocular response video head impulse velocity gain position gain desaccade

Glucose-mediated mitochondrial reprogramming by cholesterol export at TM4SF5-enriched mitochondria-lysosome contact sites

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Cancer Communications 2024年第1期44卷 47-75页

作者： Ji Eon Kim So-Young Park Chulhwan Kwak Yoonji Lee dae-Geun Song Jae Woo Jung Haesong Lee Eun-Ae Shin Yangie Pinanga Kyung-hee Pyo Eun Hae Lee Wonsik Kim Soyeon Kim Chang-Duck Jun Jeanho Yun Sun Choi Hyun-Woo Rhee Kwang-Hyeon Liu Jung Weon Lee Department of Pharmacy College of PharmacySeoul National UniversitySeoulRepublic of Korea Research Institute of Pharmaceutical Sciences College of PharmacySeoul National UniversitySeoulRepublic of Korea BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit College of Pharmacy and Research Institute of Pharmaceutical SciencesKyungpook National UniversityDaeguRepublic of Korea Department of Chemistry Seoul National UniversitySeoulRepublic of Korea College of Pharmacy Chung-Ang UniversitySeoulRepublic of Korea Natural Product Informatics Research Center Korea Institute of Science and Technology(KIST)Gangneung-siGangwon-doRepublic of Korea School of Life Sciences Gwangju Institute of Science and Technology(GIST)GwangjuRepublic of Korea Department of Biochemistry College of MedicineDong-A UniversityBusanRepublic of Korea Global AI Drug Discovery Center College of Pharmacy and Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoulRepublic of Korea Interdisciplinary Program in Genetic Engineering Seoul National UniversitySeoulRepublic of Korea

Background:Transmembrane 4 L six family member 5(TM4SF5)translocates subcellularly and functions metabolically,although it is unclear how intracellu-lar TM4SF5 translocation is linked to metabolic *** is thus of interests to understand how the traffic dynamics of TM4SF5 to subcellular endosomal membranes are correlated to regulatory roles of ***:Here,we explored the metabolic significance of TM4SF5 localization at mitochondria-lysosome contact sites(MLCSs),using in vitro cells and in vivo animal systems,via approaches by immunofluorescence,proximity labelling based proteomics analysis,organelle reconstitution ***:Upon extracellular glucose repletion following depletion,TM4SF5 became enriched at MLCSs via an interaction between mitochondrial FK506-binding protein 8(FKBP8)and lysosomal *** labeling showed molecular clustering of phospho-dynamic-related protein I(DRP1)and certain mitophagy receptors at TM4SF5-enriched MLCSs,leading to mitochondrial fis-sion and ***4SF5 bound NPC intracellular cholesterol transporter 1(NPC1)and free cholesterol,and mediated export of lysosomal cholesterol to mitochondria,leading to impaired oxidative phosphorylation but intact tri-carboxylic acid(TCA)cycle andβ-*** mouse models,hepatocyte Tm4sf5 promoted mitophagy and cholesterol transport to mitochondria,both with positive relations to liver ***:Our findings suggested that TM4SF5-enriched MLCSs regu-late glucose catabolism by facilitating cholesterol export for mitochondrial reprogramming,presumably while hepatocellular carcinogenesis,recapitulating aspects for hepatocellular carcinoma metabolism with mitochondrial repro-gramming to support biomolecule synthesis in addition to glycolytic energetics.

关键词： cholesterol fluorescent imaging glucose catabolism hepatocellular carcinogenesis mem-brane contact sites mitochondria function mitophagy oxidative phosphorylation protein-protein interaction tetraspanin

Clinicopathologic features of surgically resected primary gastric lymphoma

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World Journal of Gastroenterology 2004年第8期10卷 1103-1109页

作者： seong-HoKong Do-JoongPark Hyuk-JoonLee Han-KwangYang Kuhn-UkLee Kuk-JinChoe Min-AKim Hye-SeungLee Chul-WooKim dae-SeogHeo Chul-Woo Kim dae-Seog Heo Department of Surgery Seoul National University College of MedicineSeoulKorea Cancer Research Institute Seoul National University College of MedicineSeoulKorea Department of Pathology Seoul National University College of MedicineSeoulKorea Tumor Immunity Medical Research Center and Cancer Research Institute Seoul National University College of MedicineSeoulKorea Department of Internal Medicine Seoul National University College of MedicineSeoulKorea

AIM:To analyze the clinicopathologic characteristics of surgically resected gastric lymphoma patients. METHODS:We retrospectively analyzed 57 surgically resected gastric lymphoma patients,dividing them into 2 subgroups:Low grade MALToma (the LG group),High grade MALToma and Diffuse large B cell lymphoma (the HG group). RESULTS:The numbers of patients were:20 in the LG group, 37 in the HG *** diagnostic rate of gastroscopy was 34.8% at primary diagnosis and 50% including differential *** positive rates of Hpyloriwere similar between the 2 groups (68% vs77%).Multiple lesions were found in 19.3%.The proportion of mucosal and submucosal lesions was 80.0%(16/20) in the LG group,and 24.3%(9/37) in the HG group (P<0.001).Lymph node invasion rates were 10.5%(2/19) in the LG group and 44.1%(15/34) in the HG group (P=0.031).The numbers of recurred patients were none in the LG group,and 8 in the HG *** univariant analysis,group (P=0.024) and TNM stage (stage Ⅰ,Ⅱ vs stages Ⅲ,Ⅳ,P=0.002) were found to be the significant risk *** was a tendency of higher recurrence rate in the subtotal gastrectomy group than in the total gastrectomy group (P=0.50). CONCLUSION:The HG groups had a more advanced stage and a higher recurrence rate than the LG *** there was no difference between subtotal and total gastrectomies,more careful assessments of multiplicities and radical resections with lymph node dissections seem to be needed because of multiplicity and LN invasion even in LG group.

关键词： Adenocarcinoma Adult Aged Disease-Free Survival Female Gastrectomy Helicobacter Infections Humans Lymphoma, B-Cell Lymphoma, Large-Cell, Diffuse Male Middle Aged Retrospective Studies Stomach Neoplasms Treatment Outcome

Efficacy and safety of newly developed cross-linked dextran gel injection for glans penis augmentation with a novel technique

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Asian Journal of Andrology 2018年第1期20卷 80-84页

作者： dae Yul Yang Kyungtae Ko seong Ho Lee Du Geon Moon Jong Wook Kim Won Ki Lee Department of Urology College of Medicine Hallym University Chuncheon Korea Department of Urology College of Medicine Korea University Seoul Korea.

There is no safe and effective standard method for glans penis augmentation. Furthermore, there has been scant research on glans penis augmentation due to a poor understanding of glans anatomy, technical difficulty, and a lack of suitable substances for augmentation. Cross-linked dextran gel is a newly developed filler for soft-tissue augmentation. We evaluated the efficacy and safety of using a novel technique to inject cross-linked dextran gel for glans penis augmentation during a 24-week follow-up study. This prospective, single-arm, multicenter study enrolled twenty healthy adult men who underwent glans penis augmentation between June and August 2013. Cross-linked dextran gel was injected into the glans penis using a simple and easy technique. The sizes of the glans penis and individual satisfaction were assessed. Any adverse event was also reported. A total of 18 individuals were analyzed; two of them were lost to follow-up. The mean procedure time and injected volume were about 30 rain and 6.6 ＋- 0.9 ml, respectively. The mean surface areas of the glans at baseline and 24 weeks were 20.0 _＋ 3.5 cm2 and 33.6 -＋ 5.4 cm2, respectively, representing a mean increase of 68.7% _＋ 14.0% （P 〈 0.001）. Sixteen individuals （88.9%） were satisfied with the outcomes, and none were dissatisfied. There were no serious adverse events during the study. Cross-linked dextran gel injection for glans penis augmentation was easy and showed a significant augmentative effect on the glans penis, good durability, and was well tolerated without serious adverse events. Therefore, cross-linked dextran gel injection may be an effective, new technique for glans penis augmentation.

关键词： cosmetic technique dermal fillers dextran glans penis