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Association of chronic viral hepatitis B with insulin resistance

World Journal of Gastroenterology 2012年第42期18卷 6120-6126页

作者： Jeong Gyu Lee Sangyeoup Lee Yun Jin Kim Byung Mann Cho Joo Sung Park Hyung Hoi Kim JaeHun Cheong Dong Wook Jeong Yu Hyun Lee Young Hye Cho Mi Jin bae eun jung Choi Department of Family Medicine Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Family Medicine Medical Research InstitutePusan National University HospitalBusan 602-739South Korea Medical Education Unit Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Family Medicine Clinic Yangsan Pusan National University HospitalBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Preventive Medicine and Occupational Medicine Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Family Medicine Dong-A University Medical CenterBusan 602-715South Korea Department of Laboratory Medicine Biomedical Informatics UnitPusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Molecular Biology College of Natural SciencesPusan National UniversityBusan 602-739South Korea

AIM:To investigate the relationship between chronic viral hepatitis B(CVHB) and insulin resistance(IR) in Korean ***:A total of 7880 adults(3851 men,4029 women) who underwent a comprehensive medical examination were enrolled in this *** diagnosed with either diabetes mellitus,or any other disorder that could influence their insulin sensitivity,were ***,metabolic risk factors,hepatitis B surface antigen,hepatitis B surface antibody,hepatitis B core antibody,fasting plasma glucose and insulin were measured for all *** model assessment(HOMA),quantitative insulin check index(QUICKI),and Mf fm index were used for determining insulin *** participant was categorized into a negative,recovery,or CVHB *** compare variables between groups,a t-test and/or one-way analysis of variance were *** correlation coefficients were computed to present the association between insulin resistance and other *** logistic regression analysis was used to assess the independent association between CVHB and ***:The mean age of men and women were 48.9 and 48.6 years,*** in the CVHB group had significantly higher waist circumference [(86.0 ± 7.7 cm vs 87.3 ± 7.8 cm,P = 0.004 in men),(78.3 ± 8.6 cm vs 80.5 ± 8.5 cm,P < 0.001 in women)],cystatin C [(0.96 ± 0.15 mg/dL vs 1.02 ± 0.22 mg/dL,P < 0.001 in men),(0.84 ± 0.15 mg/dL vs 0.90 ± 0.16 mg/dL,P < 0.001 in women)],fasting insulin [(5.47 ± 3.38 U/mL vs 6.12 ± 4.62 U/mL,P < 0.001 in men),(4.57 ± 2.82 U/mL vs 5.06 ± 3.10 U/mL,P < 0.001 in women)] and HOMA index [(1.24 ± 0.86 vs 1.43 ± 1.24,P < 0.001 in men),(1.02 ± 0.76 vs 1.13 ± 0.87,P = 0.033 in women)] compared to control *** HOMA index revealed a positive correlation with body mass index(BMI)(r = 0.378,P < 0.001),waist circumference(r =0.356,P < 0.001),percent body fat(r = 0.296,P < 0.001),systolic blood pressure(r = 0.202,P < 0.001),total cholesterol(r = 0.134,P < 0.00

关键词： Hepatitis B Insulin resistance Diabetes mellitus type 2 Metabolic syndrome

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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

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Applications of scaffolds:Tools for enhancing the immunomodulation of mesenchymal stromal cells

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BIOCELL 2022年第6期46卷 1439-1443页

作者： OK-HYEON KIM eun RAN KIM JUN HYUNG PARK HYUN jung LEE Department of Anatomy and Cell Biology College of MedicineChung-Ang UniversitySeoul06974South Korea Department of Global Innovative Drugs Graduate School of Chung-Ang UniversitySeoul06974South Korea Severance Biomedical Science Institute Yonsei Biomedical Research InstituteCollege of MedicineYonsei UniversitySeoul03722South Korea

Exogenously delivered mesenchymal stromal cells(MSCs)are therapeutically beneficial owing to their paracrine effect;they secrete various cytokines,nucleic acids,and *** bioengineering techniques can help MSC cultures to release secretomes by providing stem cell niche-like conditions(both structurally and functionally).Various scaffolds mimic the natural extracellular matrix(ECM)using both natural and synthetic polymers,providing favorable environments for MSC proliferation and *** on material properties,either topographically or elastically structured scaffolds can be ***-dimensional scaffolds have tunable substrate rigidities and structures,aiding MSC *** ECM-derived hydrogels are similar to the natural ECM,thus improving the paracrine effects of ***,we discuss recent research on the application of scaffolds to maximize the immunomodulatory function of MSCs.

关键词： Extracellular matrix(ECM) Immunomodulation Mesenchymal stromal cells(MSCs) Scaffolds Stem cell niche

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Superficial foveal avascular zone area changes before and after idiopathic epiretinal membrane surgery

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International Journal of Ophthalmology(English edition) 2018年第10期11卷 1711-1715页

作者： Yo Sep Yoon Je Moon Woo Jong eun Woo jung Kee Min Department of Ophthalmology Ulsan University Hospital College of Medicine University of Ulsan

To investigate the foveal morphological changes and foveal avascular zone（FAZ）area before and after epiretinal membrane（ERM）***-two eyes with treatmentnaive ERM were included in this retrospective *** central foveal thickness（CFT）and FAZ area were measured via swept-source optical coherence tomography（SS-OCT）and OCT angiography pre-and *** unaffected fellow eyes were used as *** preoperative superficial FAZ area was significantly smaller in patients（0.08±0.04 mm^2）than in controls（0.33±0.09 mm^2;P〈0.001）.The postoperative superficial FAZ（0.12±0.06 mm^2）area was significantly greater than the preoperative area（P〈0.001）.The preoperative superficial FAZ area was strongly negatively correlated with CFT（P〈0.001,rho=-0.763）.ERM induced significant foveal morphological changes and reduction of the superficial FAZ *** thickness was restored and FAZ area increased ***,the process is rather slow and the recovery is incomplete.

关键词： central foveal thickness epiretinal membrane foveal avascular zone optical coherence tomography angiography

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Structure-activity relationship of lysophosphatidylcholines in HL-60 human leukemia cells

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Acta Pharmacologica Sinica 2004年第11期 137-140页

作者： eun-hee LEE,Jee H jung,Dong-soon IM Laboratories of Pharmacology and Marine Natural Product Laboratories of Pharmacology and Marine Natural Product Laboratories of Pharmacology and Marine Natural Product College of Pharmacy Pusan National University Busan 609-735 Korea College of Pharmacy Pusan National University Busan 609-735 Korea College of Pharmacy Pusan National University Busan 609-735 Korea

AIM: To explore the structure-activity relationship of lysophosphatidylcholine (LPC) and lysolipid molecules from a marine sponge and ladybirds. METHODS: We tested three synthetic LPCs and four natural lysolipids on Ca2+ mobilization in HL-60 human leukemia cells. RESULTS: We observed lysolipid-mediated Ca2+ mobilization. The activity was the same in both ester- and ether-linked lysolipids, and introduction of a double bond or methoxy group on the alkyl chain did not significantly modulate the activity. However, replacement of trimethylammonium moiety in the choline structure with ammonium moiety reduced the activity. Furthermore, change of the alkyl chain length influenced the Ca2+ response. CONCLUSION: LPC-induced Ca2+ mobilization might be dependent on the length of alkyl chain and the presence of choline moiety in HL-60 leukemia cells.

关键词： lysophosphatidylcholines leukemia calcium signaling structure-activity relationship platelet activating factor

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Gardenia jasminoides protects against cerulein-induced acute pancreatitis

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World Journal of Gastroenterology 2008年第40期14卷 6188-6194页

作者： Won-Seok jung Young-Seok Chae Do-Yun Kim Sang-Wan Seo Hee-Je Park Gi-Sang bae Tae-Hyeon Kim Hyo-Jeong Oh Ki-jung Yun Rae-Kil Park Jong-Suk Kim eun-Cheol Kim Sung-Yeon Hwang Sung-Joo Park Ho-Joon Song Department of Biochemistry Institute of Medical ScienceChonbuk National University Medical School Department of Herbology School of Oriental MedicineWonkwang University Kohwang Medical Institute College of MedicineKyung Hee University Department of internal medicine College of MedicineWonkwng University Department of Pathology College of MedicineWonkwng University Vestibulocochlear Research Center & Department of Microbiology College of MedicineWonkwng University Department of Oral & Maxillofacial Pathology Dental CollegeWonkwang University

AIM： To investigate the effect of Garden/a fasm/noides （GJ） on cerulein-induced acute pancreatitis （AP） in mice. METHODS： C57BL/6 mice weighing 18-20 g were divided into three groups. （1） Normal salinetreated group, （2） treatment with GJ at a dose of 0.1 g/kg, （3） treatment with GJ at a dose of 1 g/kg. GJ was administered orally （n = 6 per group） for 1 wk. Three hours later, the mice were given anintraperitoneal injection of cerulein （50 μg/kg）, a stable cholecystokinin （CCK） analogue, every hour for a total of 6h as described previously. The mice were sacrificed at 6 h after completion of cerulein injections. Blood samples were obtained to determine serum amylase, lipase and cytokine levels. The pancreas was rapidly removed for morphologic examination and scoring. A portion of pancreas was stored at -70℃ and prepared for the measurement of tissue myeloperoxidase （MPO） activity, an indicator of neutrophil sequestration, and for reverse-transcriptase PCR （RT-PCR） and real-time PCR measurements. RESULTS： Treatment with G.1 decreased significantly the severity of pancreatitis and pancreatitis-associated lung injury. Treatment with G.1 attenuated the severity of AP compared with saline-treated mice, as shown by reduction in pancreatic edema, neutrophil infiltration, serum amylase and lipase levels, serum cytokine levels, and mRNA expression of multiple inflammatory mediators. CONCLUSION： These results suggest that GJ attenuated the severity of AP as well as pancreatitisassociated lung injury.

关键词： Gardenia Jasminoides Acute pancreatitis Cerulein

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Comparative effects of plant oils and trans-fat on blood lipid profiles and ischemic stroke in rats

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The Journal of Biomedical Research 2017年第2期31卷 122-129页

作者： Haiyu Guo Young-Hwan Ban Yeseul Cha Tae-Su Kim Sung-Pyo Lee eun Suk An Jieun Choi Da Woom Seo jung-Min Yon Ehn-Kyoung Choi Yun-bae Kim Veterinary Medical Center and College of Veterinary Medicine Chungbuk National University Cheongiu Chungbuk Republic of Korea Anydoctor Healthcare Co. Ltd. Cheonan Chungnam Republic of Korea

Since plant oils are believed to be better than animal fats for cerebrovascular and cardiovascular diseases, the effects of various plant oils and trans-fat on blood lipid profiles and ischemic stroke were investigated. Sprague- Dawley rats were fed a diet containing the oils or trans-fat, and then body weights, blood lipids, and effects on brain infarction and physical dysfunction induced by middle cerebral artery occlusion （MCAO） were analyzed. All the oils and trans-fat, except perilla oil, significantly increased body fats and body weight gain. Sesame oil and trans-fat specifically increased blood cholesterols and triglycerides, respectively, while perilla oil decreased both cholesterols and triglycerides. Perilla oil not only attenuated cerebral infarction, but also restored locomotor activity and rota-rod performances of MCAO rats. It is suggested that perilla oil among oils and fats could be the first choice to reduce the risk of metabolic syndrome and ischemic stroke.

关键词： plant oil trans-fat blood lipid body fat ischemic stroke physical activity

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Assessment of colon polyp morphology: Is education effective?

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World Journal of Gastroenterology 2017年第34期23卷 6281-6286页

作者： Jae Hyun Kim Kyoung Sik Nam Hye jung Kwon Youn jung Choi Kyoungwon jung Sung eun Kim Won Moon Moo In Park Seun Ja Park Division of Gastroenterology Department of Internal MedicineKosin University College of Medicine

AIM To determine the inter-observer variability for colon polyp morphology and to identify whether education can improve agreement among *** For purposes of the tests, we recorded colonoscopy video clips that included scenes visualizing the polyps. A total of 15 endoscopists and 15 nurses participated in the study. Participants watched 60 video clips of the polyp morphology scenes and then estimated polyp morphology(pre-test). After education for 20 min, participants performed a second test in which the order of 60 video clips was changed(post-test). To determine if the effectiveness of education was sustained, four months later, a third, follow-up test was performed with the same *** The overall Fleiss' kappa value of the inter-observer agreement was 0.510 in the pre-test, 0.618 in the post-test, and 0.580 in the follow-up test. The overall diagnostic accuracy of the estimation for polyp morphology in the pre-, post-, and follow-up tests was 0.662, 0.797, and 0.761, respectively. After education, the inter-observer agreement and diagnostic accuracy of all participants improved. However, after four months, the inter-observer agreement and diagnostic accuracy of expert groups were markedly decreased, and those of beginner and nurse groups remained similar to pre-test levels. CONCLUSION The education program used in this study can improve inter-observer agreement and diagnostic accuracy in assessing the morphology of colon polyps; it is especially effective when first learning endoscopy.

关键词： Colon polyp Morphology Education

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Evaluation of non-ampullary duodenal polyps: Comparison of non-neoplastic and neoplastic lesions

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World Journal of Gastroenterology 2010年第43期16卷 5474-5480页

作者： Sung Hoon jung Woo Chul Chung eun jung Kim Seol Hye Kim Chang Nyol Paik Bo In Lee Young Seok Cho Kang-Moon Lee Department of Internal Medicine College of Medicine The Catholic University of Korea

AIM: To evaluate duodenal polyps, divided into nonneoplastic and neoplastic lesions. In addition, the clinical characteristics of duodenal hyperplastic polyps are determined. METHODS: We analyzed medical records of 50 114 consecutive patients submitted to for first diagnostic esophago-gastroduodenoscopy between January 2004 and December 2009. We excluded lesions on the ampulla of Vater and submucosal tumors. We studied 510 cases that were diagnosed endoscopically with duodenal polyps and enrolled a total of 221 cases that had undergone tissue biopsy. We analyzed the differences between non-neoplastic and neoplastic lesions, and determined the clinical features of duodenal hyperplastic polyps. RESULTS: Non-neoplastic lesions were found in 196 patients and neoplastic lesions in 25 patients. On uni-variate analysis, there were significant differences in shape, location, and size. Polyps more than 10 mm in diameter or polyps in the second portion had independent risk factors for being neoplastic lesions, as identified by multivariate analysis. In 23 cases of hyperplastic polyps (79.3%), they were accompanied by gastroduodenal pathology, which was possibly associated with Helicobacter pylori . CONCLUSION: Polyps of more than 10 mm or polyps in the second portion of the duodenum should be evaluated by histological examination.

关键词： Duodenum Polyp Helicobacter pylori

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Clinical outcomes of endoscopic resection of superficial nonampullary duodenal epithelial tumors: A 10-year retrospective, single-center study

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World Journal of Gastrointestinal Surgery 2022年第4期14卷 329-340页

作者： Joon Hyun Cho Ki Young Lim eun jung Lee Si Hyung Lee Division of Gastroenterology and Hepatology Department of Internal MedicineYeungnam University College of MedicineDaegu 42415South Korea

BACKGROUND Although premalignant duodenal lesions such as adenomas are uncommon,the incidences of these lesions have increased in recent times,and thus,the demand for minimally invasive treatments such as endoscopic resection(ER)has also ***,ER in the duodenum is more challenging than ER in other locations of the gastrointestinal *** To evaluate the safety and efficacy of ER for superficial nonampullary duodenal epithelial tumors(SNADETs)METHODS We performed a retrospective observational study on 56 consecutive patients(58 lesions)diagnosed with SNADETs that underwent ER from January 2011 to December 2020 at Yeungnam University *** demographics,lesion characteristics,and procedural and technical data were collected,and clinical outcomes,including procedure-related complications,completeness of resection,and recurrence were *** Median patient age was 57 years[range,26–77,30(53.6%)men].Endoscopic mucosal resection(EMR)was performed on 57 lesions(98.3%)and snare polypectomy on one(1.7%).Lesions consisted of 52 adenomas with low-grade dysplasia(89.7%),3 adenomas with high-grade dysplasia(5.2%),and 3 intramucosal adenocarcinomas(5.2%).There were 16 cases of intraprocedural bleeding(27.6%)and 1 case of delayed bleeding(1.7%),and all these 17 cases were successfully managed *** perforation or procedure-related death *** lesion size was associated with an increased risk of EMR-related bleeding(P=0.033).During a median follow-up period of 23 mo(range 6–100 mo),no local recurrence occurred,despite the fact one-third of the patients(19 lesions,32.8%)underwent piecemeal resection and 3 patients(3 lesions,5.2%)that underwent en bloc resection had a pathologically determined positive lateral *** patient died from a primary duodenal *** The majority of SNADETs can be safely and curatively resected by EMR,and thus,based on consideration of the high incidence of fatal complications attribut

关键词： Duodenum Adenoma Endoscopic mucosal resection Endoscopic resection Superficial nonampullary duodenal epithelial tumor

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