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| 1 | Endoscopic removal of gastric ectopic pancreas:An initial experience with endoscopic submucosal dissection显示文摘AIM:To evaluate the therapeutic usefulness and safety of endoscopic resection in patients with gastric ectopic pancreas.METHODS:A total of eight patients with ectopic pancreas were included.All of them underwent endoscopic ultrasonography before endoscopic resection.Endo-scopic resection was performed by two methods:endo-scopic mucosal resection(EMR)by the injection-and-cut technique or endoscopic mucosal dissection(ESD).RESULTS:We planned to perform EMR in all eight cases but EMR was successful in only four cases.In the other four cases,saline spread into surrounding normal tissues and the lesions becameattened,which made it impossible to remove them by EMR.Inthose four cases,we performed ESD and removed the lesions without any complications.CONCLUSION:If conventional EMR is difficult to remove gastric ectopic pancreas,ESD is a feasible alternative method for successful removal. | Dong Yup Ryu Gwang Ha Kim Do Youn Park Bong Eun Lee Jae Hoon Cheong Dong Uk Kim Hyun Young Woo Jeong Heo Geun Am Song | 2010 | World Journal of Gastroenterology2010,16,36: | 24 |
| 2 | Prevalence of clonorchiasis in patients with gastrointestinal disease: A Korean nationwide multicenter survey显示文摘AIM: To investigate prevalence of Clonorchis sinensis in patients with gastrointestinal symptoms, and the relation of the infection to hepatobiliary diseases in 26 hospitals in Korea.METHODS: Consecutive patients who had been admitted to the Division of Gastroenterology with gastrointestinal symptoms were enrolled from March to April 2005. Of those who had been diagnosed with clonorchiasis, epidemiology and correlation between infection and hepatobiliary diseases were surveyed by questionnaire.RESULTS: Of 3080 patients with gastrointestinal diseases, 396 (12.9%) had clonorchiasis and 1140 patients (37.2%) had a history of eating raw freshwater fish. Of those with a history of raw freshwater fish ingestion, 238 (20.9%) patients had clonorchiasis. Cholangiocarcinoma was more prevalent in C. sinensis-infected patients than non-infected patients [34/396 (8.6%) vs 145/2684 (5.4%), P = 0.015]. Cholangiocarcinoma and clonorchiasis showed statistically significant positive cross-relation (P = 0.008). Choledocholithiasis, cholecystolithiasis, cholangitis, hepatocellular carcinoma, and biliary pancreatitis did not correlate with clonorchiasis.CONCLUSION: Infection rate of clonorchiasis was still high in patients with gastrointestinal diseases in Korea, and has not decreased very much during the last two decades. Cholangiocarcinoma was related to clonorchiasis, which suggested an etiological role for the parasite. | Ho Gak Kim Jimin Han Myung-Hwan Kim Kyu Hyun Cho Im Hee Shin Gwang Ha Kim Jae Seon Kim Jin Bong Kim Tae Nyeun Kim Tae Hyeon Kim Tae Hyo Kim Jae Woo Kim Ji Kon Ryu Young-Soo Moon Jong Ho Moon Sung Jae Park Chan Guk Park Sung-Jo Bang Chang Heon Yang Kyo-Sang Yoo Byung Moo Yoo Kyu Taek Lee Dong Ki Lee Byung Seok Lee Sang Soo Lee Seung Ok Lee Woo Jin Lee Chang Min Cho Young-Eun Joo Gab Jin Cheon Young Woo Choi Jae Bok Chung Yong Bum Yoon | 2009 | World Journal of Gastroenterology2009,15,1: | 15 |
| 3 | Long-term follow up of endoscopic resection for type 3 gastric NET显示文摘AIM:To clarify the short and long-term results and to prove the usefulness of endoscopic resection in type 3gastric neuroendocrine tumors(NETs).METHODS:Of the 119 type 3 gastric NETs diagnosed from January 1996 to September 2011,50 patients treated with endoscopic resection were enrolled in this study.For endoscopic resection,endoscopic mucosal resection(EMR)or endoscopic submucosal dissection(ESD)was used.Therapeutic efficacy,complications,and follow-up results were evaluated retrospectively.RESULTS:EMR was performed in 41 cases and ESD in 9 cases.Pathologically complete resection was performed in 40 cases(80.0%)and incomplete resection specimens were observed in 10 cases(7 vs 3 patients in the EMR vs ESD group,P=0.249).Upon analysis of the incomplete resection group,lateral or vertical margin invasion was found in six cases(14.6%)in the EMR group and in one case in the ESD group(11.1%).Lymphovascular invasions were observed in two cases(22.2%)in the ESD group and in one case(2.4%)in the EMR group(P=0.080).During the follow-up period(43.73;13-60 mo),there was no evidence of tumor recurrence in either the pathologically complete resection group or the incomplete resection group.No recurrence was reported during follow-up.In addition,no mortality was reported in either the complete resection group or the incomplete resection group for the duration of the follow-up period.CONCLUSION:Less than 2 cm sized confined submucosal layer type 3 gastric NET with no evidence of lymphovascular invasion,endoscopic treatment could be considered at initial treatment. | Yong Hwan Kwon Seong Woo Jeon Gwang Ha Kim Jin Il Kim Il-Kwun Chung Sam Ryong Jee Heung Up Kim Geom Seog Seo Gwang Ho Baik Kee Don Choi Jeong Seop Moon | 2013 | World Journal of Gastroenterology2013,19,46: | 14 |
| 4 | Clinical significance of loss of heterozygosity for M6P/IGF2R in patients with primary hepatocellular carcinoma显示文摘AIM:To investigate the relationship between loss of heterozygosity (LOH) for mannose 6-phosphate/insulin- like growth factor 2 receptor (M6P/IGF2R) and the outcomes for primary HCC patients treated with partial hepatectomy. METHODS: The LOH for M6P/IGF2R in primary HCC patients was assessed using six different gene-specific nucleotide polymorphisms. The patients studied were enrolled to undergo partial hepatectomy. RESULTS: M6P/IGF2R was found to be polymorphic in 73.3% (22/30) of the patients, and of these patients, 50.0% (11/22) had tumors showing LOH in M6P/IGF2R. Loss of heterozygosity in M6P/IGF2R was associated with significant reductions in the two year overall survival rate (24.9% vs 65.5%; P = 0.04) and the disease-free survival rate (17.8% vs 59.3%; P = 0.03). CONCLUSION: These results show M6P/IGF2R LOH predicts poor clinical outcomes in surgically resected primary HCC patients. | Hong Seok Jang Ki Mun Kang Byung Ock Choi Gyu Young Chai Soon Chan Hong Woo Song Ha Randy L Jirtle | 2008 | World Journal of Gastroenterology2008,14,9: | 12 |
| 5 | Small molecule-based disruption of the Axin/β-catenin protein complex regulates mesenchymal stem cell differentiation显示文摘 | Jungsug Gwak Sun Gwan Hwang Hyung-Soon Park Sang Rak Choi Sun-Hee Park Hyunjoon Kim Nam-Chul Ha Sung Jin Bae Jin-Kwan Han Dong-Eun Kim Jeong Woo Cho Sangtaek Oh | 2012 | Cell Research2012,22,1: | 11 |
| 6 | Clinical significance of hepatitis B e antigen level measurement during long-term lamivudine therapy in chronic hepatitis B patients with e antigen positive显示文摘AIM: To determine the changes of quantitative hepatitis B e antigen (HBeAg) that predicts early detection of non- response or breakthrough to long-term lamivudine (LAM) therapy.METHODS: Among HBeAg positive chronic hepatitis B patients who failed to achieve HBeAg seroconversion within 12 mo, we retrospectively analyzed 220 patients who had received LAM more than 24 mo. RESULTS: The mean duration of LAM therapy was 36 (range, 24-72) mo. HBeAg seroconversion after the first 12 mo of LAM therapy was achieved in 53 (24.1%) patients. Viral breakthrough was observed in 105 (47.7%) patients. To find out whether the changing patterns of HBeAg levels can predict the outcome of LAM therapy, we analyzed the reduction rates of HBeAg levels during LAM therapy. Using the decrease more than 90% of pretreatment HBeAg levels, the sensitivity and specificity of response were 96.2% and 70.1%, respectively. Patients were divided into 3 groups according to the reduction patterns of the decrease of quantitative HBeAg: decrescendo, decrescendo-crescendo, no change or fluctuating groups. The optimal time to predict non- response or breakthrough was the first 9 mo of therapy. At 9 mo of therapy, 49 (92.5%) of 53 patients who had achieved HBeAg seroconversion were included in the decrescendo group. On the contrary, in the no change or fluctuating group, only four (7.5%) had achieved HBeAg seroconversion. Among patients who did not show the continuous decrease of HBeAg levels at 9 mo, 95.2% (negative predictive value) failed to achieve HBeAg seroconversion.CONCLUSION: Almost all patients who failed to showa continuous decrease of HBeAg levels at 9 mo of LAM therapy were non-response or breakthrough. Therefore, monitoring changes of HBeAg levels during LAM therapy in HBeAg positive chronic hepatitis B may be valuable for identifying patients who are at high risk of non-response or breakthrough. | Jung Woo Shin Neung Hwa Park Seok Won Jung Byung Chul Kim Sung Ho Kwon Jae Serk Park In Du Jeong Sung-Jo Bang Do Ha Kim | 2006 | World Journal of Gastroenterology2006,12,41: | 7 |
| 7 | Treatment for gastric ‘indefinite for neoplasm/dysplasia' lesions based on predictive factors显示文摘BACKGROUND Gastric ‘indefinite for neoplasm/dysplasia'(IFND) is a borderline lesion that is difficult to diagnose as either regenerative or neoplastic. There is a need for guidance in the identification of a subset of patients, who have an IFND lesion with a higher risk of malignant potential, to enable risk stratification and optimal management.AIM To determine the clinical and pathologic factors for the accurate diagnosis of gastric IFND lesions.METHODS In total, 461 gastric lesions diagnosed via biopsy as IFND lesions were retrospectively evaluated. Endoscopic resection(n = 134), surgery(n = 22), and follow-up endoscopic biopsy(n = 305) were performed to confirm the diagnosis.The time interval from initial biopsy to cancer diagnosis was measured, and diagnostic delays were categorized as > 2 wk, > 2 mo, > 6 mo, and > 1 year. The IFND lesions presenting as regenerating atypia(60%) or atypical epithelia(40%)at initial biopsy were adenocarcinomas in 22.6%, adenomas in 8.9%, and gastritis in 68.5% of the cases.RESULTS Four clinical factors [age ≥ 60 years(2.445, 95%CI: 1.305-4.580, P = 0.005),endoscopic size ≥ 10 mm(3.519, 95%CI: 1.891-6.548, P < 0.001), single lesion(5.702, 95%CI: 2.212-14.696, P < 0.001), and spontaneous bleeding(4.056, 95%CI:1.792-9.180, P = 0.001)], and two pathologic factors [atypical epithelium(25.575,95%CI: 11.537-56.695, P < 0.001], and repeated IFND diagnosis [6.022, 95%CI:1.822-19.909, P = 0.003)] were independent risk factors for gastric cancer. With two or more clinical factors, the sensitivity and specificity for carcinoma were91.3% and 54.9%, respectively. Ten undifferentiated carcinomas were initially diagnosed as IFND. In the subgroup analysis, fold change(5.594, 95%CI: 1.458-21.462, P = 0.012) predicted undifferentiated or invasive carcinoma in the submucosal layers or deeper. Diagnostic delays shorter than 1 year were not associated with worse prognoses. Extremely well-differentiated adenocarcinomas accounted for half of the repeated IFND cases and resulted in low diagnostic accuracy even on retrospective blinded review.CONCLUSION More than two clinical and pathologic factors each had significant cut-off values for gastric carcinoma diagnosis; in such cases, endoscopic resection should be considered. | Mi Jung Kwon Ho Suk Kang Hyeon Tae Kim Jin Woo Choo Bo Hyun Lee Sung Eun Hong Kun Ha Park Dong Min Jung Hyun Lim Jae Seung Soh Sung Hoon Moon Jong Hyeok Kim Hye-Rim Park Soo Kee Min Jin won Seo Ji-Young Choe | 2019 | World Journal of Gastroenterology2019,25,4: | 4 |
| 8 | A gastrointestinal stromal tumor of the duodenum masquerading as a pancreatic head tumor显示文摘Gastrointestinal stromal tumor (GIST) represents the most common kind of mesenchymal tumor that arises from the alimentary tract. GIST is currently defined as a gastrointestinal tract mesenchymal tumor showing CD117 (c-kit protein) positivity at immunohistochemistry. Throughout the whole length of the gastrointestinal tract, GIST arises most commonly from the stomach followed by the small intestine, the colorectum, and the esophagus. Only 3%-5% of GISTs occur in the duodenum, and especially, if GIST arises from the C loop of the duodenum, it can be difficult to differentiate from the pancreas head mass because of its anatomical proximity. Here, we report a case of duodenal GIST, which was assessed as a pancreatic head tumor preoperatively. | Sung Ho Kwon Hee Jeong Cha Seok Won Jung Byung Chul Kim Jae Serk Park In Du Jeong Jong Hwa Lee Yang Won Nah Sung Jo Bang Jung Woo Shin Neung Hwa Park Do Ha Kim | 2007 | World Journal of Gastroenterology2007,13,24: | 4 |
| 9 | Multicenter Prospective Comparative Study of Robotic Versus Laparoscopic Gastrectomy for Gastric Adenocarcinoma显示文摘 | Hyoung-Il Kim Sang-Uk Han Han-Kwang Yang Young-Woo Kim Hyuk-Joon Lee Keun Won Ryu Joong-Min Park Ji Yeong An Min-Chan Kim Sungsoo Park Kyo Young Song Sung Jin Oh Seong-Ho Kong Byoung Jo Suh Dae Hyun Yang Tae Kyung Ha Youn Nam Kim Woo Jin Hyung | 2016 | Annals of Surgery2016,,1: | 4 |
| 10 | Dietary fat-associated osteoarthritic chondrocytes gain resistance to lipotoxicity through PKCK2/STAMP2/FSP27显示文摘Free fatty acids(FFAs), which are elevated with metabolic syndrome, are considered the principal offender exerting lipotoxicity. Few previous studies have reported a causal relationship between FFAs and osteoarthritis pathogenesis. However, the molecular mechanism by which FFAs exert lipotoxicity and induce osteoarthritis remains largely unknown. We here observed that oleate at the usual clinical range does not exert lipotoxicity while oleate at high pathological ranges exerted lipotoxicity through apoptosis in articular chondrocytes. By investigating the differential effect of oleate at toxic and nontoxic concentrations, we revealed that lipid droplet(LD) accumulation confers articular chondrocytes, the resistance to lipotoxicity. Using high fat diet-induced osteoarthritis models and articular chondrocytes treated with oleate alone or oleate plus palmitate, we demonstrated that articular chondrocytes gain resistance to lipotoxicity through protein kinase casein kinase 2(PKCK2)—six-transmembrane protein of prostate 2(STAMP2)—and fat-specific protein 27(FSP27)-mediated LD accumulation. We further observed that the exertion of FFAs-induced lipotoxicity was correlated with the increased concentration of cellular FFAs freed from LDs, whether FFAs are saturated or not. In conclusion, PKCK2/STAMP2/FSP27-mediated sequestration of FFAs in LD rescues osteoarthritic chondrocytes. PKCK2/STAMP2/FSP27 should be considered for interventions against metabolic OA. | Sung Won Lee Jee Hyun Rho Sang Yeob Lee Won Tae Chung Yoo Jin Oh Jung Ha Kim Seung Hee Yoo Woo Young Kwon Ju Yong Bae Su Young Seo Hokeun Sun Hye Young Kim Young Hyun Yoo | 2018 | Bone Research2018,6,3: | 3 |
| 11 | Chicken soup for teaching and learning ESD显示文摘Endoscopic submucosal dissection(ESD) is becoming a popular procedure for the diagnosis and treatment of superficial mucosal lesions,and has the advantage of en bloc resection which yields a higher complete resection and remission rate compared to endoscopic mucosal resection(EMR).However,the learning process of this advanced endoscopic procedure requires a lengthy training period and considerable experience to be proficient.A well framed training protocol which is safe,effective,easily reproducible and cost-effective is desirable to teach ESD.In addition,the training course may need to be tailored around settings such as ethnicity,culture,workload,and disease incidence.In Asian countries with a large volume of early gastric lesions which need endoscopic treatment,endoscopists would be able to learn ESD expanding their skills from EMR to ESD under the supervision of experts.Whereas,in Western countries due to the low incidence of superficial gastric tumors,trials have utilized simulator models to improve learning.In Korea,the Korean Society of Gastrointestinal Endoscopy(KSGE) is playing an important role in training many gastroenterologists who have shown an interest in performing ESD by providing an annual live demonstration and a nationwide tutoring program.The purpose of this article is to introduce our ESD tutoring experience,review the published papers related to this topic,and propose several suggestions for future directions in teaching and learning ESD. | Eun Young Kim Seong Woo Jeon Gwang Ha Kim | 2011 | World Journal of Gastroenterology2011,17,21: | 3 |
| 12 | Effects of traditional Chinese herbal medicine San-HuangXie-Xin-Tang on gastrointestinal motility in mice显示文摘AIM: To investigate the effects of San-Huang-Xie-XinTang(SHXXT), a herbal product used in traditional Chinese medicine, on gastrointestinal(GI) motility in mice.METHODS: The in vivo effects of SHXXT on GI motility were investigated by measuring the intestinal transit rates(ITRs) using Evans blue in normal mice and in mice with experimentally induced GI motility dysfunction(GMD).RESULTS: In normal ICR mice, ITRs were significantly and dose-dependently increased by SHXXT(0.1-1 g/kg). GMD was induced by injecting acetic acid or streptozotocin intraperitoneally. The ITRs of GMD mice were significantly reduced compared to normal mice, and these reductions were significantly and dose-dependently inhibited by SHXXT(0.1-1 g/kg).CONCLUSION: These results suggest that SHXXT is a novel candidate for the development of a prokinetic agent that may prevent or alleviate GMD. | Min Woo Hwang Tae Seok Ahn Noo Ri Hong Han-Sol Jeong Myeong Ho Jung Ki-Tae Ha Byung Joo Kim | 2015 | World Journal of Gastroenterology2015,21,4: | 3 |
| 13 | Development of seeder for mixed planting of corn and soybeans显示文摘Corn and soybeans should be sown between 5 cm and 10 cm apart in mixed cultivation to increase protein content and improve productivity of the forage.However,existing sowers cannot plant at intervals of less than 20 cm.Consequently,mixed cultivation of corn and soybeans is currently performed by first sowing corn seeds with a tractor and then manually planting soybean seeds.This method results in irregular intervals between the seeds,it is laborious and time consuming.This study aimed at developing a seeder that can simultaneously,precisely and efficiently plant corn and soybean.The geometrical and rheological properties of corn and soybeans were initially measured.The seed conveying equipment were designed using the EDEM software.The sowing interval between seeds,depth of soil over planted seed,and sowing performance were analyzed.The EDEM simulation results indicated that a 6-mm-wide and 3-mm-deep grooved seed-delivering roller had the highest particle mobility of the designs considered,with a 2.5%misplanting rate.A performance test showed that no misplanting occurred in the sections sowed with soybean seeds at a seeding interval that averaged 32 mm(321 seeds sown in 10 m)and that misplanting occurred in one section sowed with corn at a seeding interval that averaged 247 mm(40 seeds sown over 10 m).The sowing efficiency for both corn and soybeans was found to be 0.42 h/hm2.The average depth of soil over seed was 32.7 mm for soybean and 39.7 mm for corn.These average depths are within the stipulated range for the depth of soil over seed,which is 5 to 10 times the seed size.This study developed an efficient seeding machine that can simultaneously plant soybean and corn precisely,consequently improving forage yield and saving man-hours. | Seung Min Woo Daniel Dooyum Uyeh Moon Sang Sagong Yu Shin Ha | 2017 | International Journal of Agricultural and Biological Engineering2017,10,3: | 3 |
| 14 | Expression of DBC1 and SIRT1 is associated with poor prognosis for breast carcinoma显示文摘 | Ho Lee Kyung Ryoul Kim Sang Jae Noh Ho Sung Park Keun Sang Kwon Byung-Hyun Park Sung Hoo Jung Hyun Jo Youn Byoung Kil Lee Myoung Ja Chung Dai Ha Koh Woo Sung Moon Kyu Yun Jang | 2011 | Human Pathology2011,,2: | 2 |
| 15 | Autologous Adipose Tissue‐Derived Stem Cells Treatment Demonstrated Favorable and Sustainable Therapeutic Effect for Crohn’s Fistula显示文摘 | Woo Yong Lee Kyu Joo Park Yong Beom Cho Sang Nam Yoon Kee Ho Song Do Sun Kim Sang Hun Jung Mihyung Kim Hee‐Won Yoo Inok Kim Hunjoo Ha Chang Sik Yu | 2013 | Stem Cells2013,,11: | 2 |
| 16 | Tissue engineered regeneration of completely transected spinal cord using human mesenchymal stem cells显示文摘 | Kkot Nim Kang Da Yeon Kim So Mi Yoon Ju Young Lee Bit Na Lee Jin Seon Kwon Hyo Won Seo Il Woo Lee Ha Cheol Shin Young Man Kim Hyun Soo Kim Jae Ho Kim Byoung Hyun Min Hai Bang Lee Moon Suk Kim | 2012 | Biomaterials2012,,19: | 1 |
| 17 | Knowledgebased Workflow Model for Agile Orgsnization显示文摘 | HA BIN LEE JONG WOO KIM SUNG JOO PARK | 1999 | Joumal of Intelligent Information Systems1999,,13: | 1 |
| 18 | Senescence of nucleus pulposus chondrocytes in human intervertebral discs显示文摘 | Kim KW Ha KY Woo YK | 2008 | Asian Spine J2008,2,1: | 1 |
| 19 | Fabrication and properties of thermalinsulating glass fiber reinforced composites from low temperature cur-able polyphosphate inorganic polymers显示文摘 | Kim D P Woo H G Ha H | 2003 | Composites Science andTechnology2003,63,34: | 1 |
| 20 | Role of Reactive Oxygen Species and Glutathione in Inorganic Mercury-Induced Injury in Human Glioma Cells显示文摘 | Young Woo Lee Mi Suk Ha Yong Keun Kim | 2001 | Neurochemical Research2001,,11: | 1 |