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Clinical implications of fatty pancreas:Correlations between fatty pancreas and metabolic syndrome

World Journal of Gastroenterology 2009年第15期15卷 1869-1875页

作者： Jun Seok Lee Sang Heum kim Dae Won Jun Jee Hye Han Eun Chul Jang Ji Young Park Byung Kwan Son Seong Hwan kim Yoon Ju Jo Young sook Park Yong Soo kim Department of Internal Medicine Eulji University School of Medicine Department of Radiology Eulji University School of Medicine Department of Family Medicine Eulji University School of Medicine Department of Occupational and Environmental Medicine College of MedicineSoonchunhyang University Department of Radiology Hanyang University School of Medicine

AIM:To investigate the clinical implications of lipid deposition in the pancreas(fatty pancreas). METHODS:The subjects of this study were 293 patients who had undergone abdominal computed tomography(CT)and *** pancreas was diagnosed by sonographic findings and subdivided into mild,moderate,and severe fatty pancreas groups comparing to the retroperitoneal fat echogenicity. RESULTS:Fatty pancreas was associated with higher levels for visceral fat,waist circumference,aspartate aminotransferase(AST),alanine aminotransferase (ALT),total cholesterol,triglyceride,high density lipoprotein,free fatty acid,γ-GTP,insulin,and the homeostasis model assessment of insulin resistance (HOMA-IR)than the control group(P<0.05).HOMAIR,visceral fat,triglyceride,and ALT also tended to increase with the degree of fat deposition in the pancreas on *** a multivariate logistic regression analysis,HOMA-IR,visceral fat,and ALT level were independently related to fatty pancreas after adjustment for age,body mass index,and lipid *** incidence of metabolic syndrome in the fatty pancreas group was significantly higher than in the control group,and the numbers of metabolic syndrome parameters were significantly higher in the fatty pancreas group(P<0.05).CONCLUSION:Sonographic fatty pancrease showed higher insulin resistance,visceral fat area,triglyceride, and ALT levels than normal *** pancreas also showed a strong correlation with metabolic syndrome.

关键词： Fatty pancreas Metabolic syndrome Insulin resistance

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Inhibitory effects of coronary vasodilator papaverine on heterologously-expressed HERG currents in Xenopus oocytes

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Acta Pharmacologica Sinica 2007年第4期28卷 503-510页

作者： Cuk-seong kim Nam LEE sook-jin SON Kyu-seung LEE Hyo-shin kim Yong-geun KWAK Soo-wan CHAE Sang-do LEE Byeong-hwa JEON Jin-bong PARK Department of Physiology College of MedicineChungnam National UniversityDaejeon 301131Korea Department of Pharmacology Chonbuk National UniversityMedical SchoolChonju 561-180Korea

Aim:To characterize the effects of papaverine on HERG channels expressed inXenopus oocytes as well as cardiac action potential in rabbit ventricular ***:Conventional microelectrodes were used to record action potential inrabbit ventricular *** currents were recorded by 2-electrode voltageclamp technique in Xenopus oocytes injected with HERG ***:Papa-verine increased the cardiac action potential duration in rabbit ventricular *** blocked heterologously-expressed HERG currents in a concentration-depen-dent manner (IC5071.03±4.75 μmol/L,NH 0.80,n=6),whereas another phosphodi-esterase inhibitor,theophylline （500 μmol/L）,did *** blockade of papaverineon HERG currents was not *** slope conductance measuredas a slope of the fully activated HERG current-voltage curves decreased from78.03±4.25 μS of the control to 56.84±5.33,36.06±6.53,and 27.09±5.50 μS （n=4） by30,100,and 300 μmol/L of papaverine,*** （100 μmol/L）caused a 9 mV hyperpolarizing shift in the voltage-dependence of steady-stateinactivation,but there were no changes in the voltage-dependence of HERG cur-rent *** blocked HERG channels in the closed,open,andinactivated ***:These results showed that papaverine blockedHERG channels in a voltage-and state-independent manner,which may mostlikely be the major mechanism of papaverine-induced cardiac arrhythmia reportedin humans.

关键词： papaverine HERG cardiac action potential

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Neuronal injury and tumor necrosis factor-alpha immunoreactivity in the rat hippocampus in the early period of asphyxia-induced cardiac arrest under normothermia

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Neural Regeneration Research 2017年第12期12卷 2007-2013页

作者： Hyun-Jin Tae Il Jun Kang Tae-Kyeong Lee Jeong Hwi Cho Jae-Chul Lee Myoung Cheol Shin Yoon Sung kim Jun Hwi Cho Jong-Dai kim Ji Hyeon Ahn Joon Ha Park In-Shik kim hyang-Ah Lee Yang Hee kim Moo-Ho Won Young Joo Lee Bio-Safety Research Institute College of Veterinary Medicine Chonbuk National University Iksan South Korea Department of Food Science and Nutrition Hallym University Chuncheon South Korea Department of Neurobiology School of Medicine Kangwon National University Chuncheon South Korea Department of Emergency Medicine School of Medicine Kangwon National University Chuncheon South Korea Department of Emergency Medicine Samcheok Medical Center Samcheok South Korea Division of Food Biotechnology School of Biotechnology Kangwon National University Chuncheon South Korea Department of Biomedical Science Research Institute of Bioscience and Biotechnology Hallym University Chuncheon South Korea Department of Obstetrics and Gynecology School of Medicine Kangwon National University Chuncheon South Korea Department of Surgery School of Medicine Kangwon National University Chuncheon South Korea Department of Emergency Medicine Seoul Hospital College of Medicine Sooncheonhyang University Seoul South Korea

Low survival rate occurs in patients who initially experience a spontaneous return of circulation after cardiac arrest（CA）. In this study, we induced asphyxial CA in adult male Sprague-Daley rats, maintained their body temperature at 37 ± 0.5°C, and then observed the survival rate during the post-resuscitation phase. We examined neuronal damage in the hippocampus using cresyl violet（CV） and Fluore-Jade B（F-J B） staining, and pro-inflammatory response using ionized calcium-binding adapter molecule 1（Iba-1）, glial fibrillary acidic protein（GFAP）, and tumor necrosis factor-alpha（TNF-α） immunohistochemistry in the hippocampus after asphyxial CA in rats under normothermia. Our results show that the survival rate decreased gradually post-CA（about 63% at 6 hours, 37% at 1 day, and 8% at 2 days post-CA）. Rats were sacrificed at these points in time post-CA, and no neuronal damage was found in the hippocampus until 1 day post-CA. However, some neurons in the stratum pyramidale of the CA region in the hippocampus were dead 2 days post-CA. Iba-1 immunoreactive microglia in the CA1 region did not change until 1 day postCA, and they were activated（enlarged cell bodies with short and thicken processes） in all layers 2 days postCA. Meanwhile, GFAP-immunoreactive astrocytes did not change significantly until 2 days post-CA. TNF-α immunoreactivity decreased significantly in neurons of the stratum pyramidale in the CA1 region 6 hours post-CA, decreased gradually until 1 day post-CA, and increased significantly again 2 days post-CA. These findings suggest that low survival rate of normothermic rats in the early period of asphyxia-induced CA is related to increased TNF-α immunoreactivity, but not to neuronal damage in the hippocampal CA1 region.

关键词： nerve regeneration post-cardiac arrest syndrome normothermia neuronal damage gliosis tumor necrosis factor-alpha neural regeneration

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Distant skeletal muscle metastasis from intrahepatic cholangiocarcinoma presenting as Budd-Chiari syndrome

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World Journal of Gastroenterology 2007年第22期13卷 3141-3143页

作者： Oh Sung Kwon Dae Won Jun Sang Heum kim Mee Yeon Chung Nam In kim Moon Hee Song Han Hyo Lee Seung Hwan kim Yoon Ju Jo Young sook Park Jong Eun Joo Department of Internal Medicine Eulji University Hospital Seoul Korea Department of Radiology Eulji University Hospital Seoul Korea Department of Pathology Eulji University Hospital Seoul Korea

Intrahepatic cholangiocarcinoma is a malignant neoplasm arising from the biliary epithelium, which frequently invades adjacent organs or metastasizes to other visceral organs such as the lungs, bones, adrenals, and brain. However, distant skeletal muscle metastasis of cholangiocarcinoma has never been described before to the best of our knowledge and, furthermore, Budd-Chiari syndrome secondary to intrahepatic cholangiocarcinoma is also extremely rare. Here we present the first case overall of distant muscle metastasis from intrahepatic cholangiocarcinoma presenting as Budd-Chiari syndrome. A 44-year-old man admitted to the hospital with complaints of abdominal distension, edema of both legs, back pain and anorexia of 30 d' duration. Computed tomography and ultrasonography-guided percutaneous muscle biopsy established intrahepatic cholangiocarcinoma with disseminated thrombosis from inferior vena cava to bilateral iliac and femoral veins, and multiple skeletal muscle metastases in bilateral buttock and erector spinal muscle.

关键词： Intrahepatic Cholangiocarcinoma Metastasis Skeletal muscle Budd-Chiari syndrome

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Long-term treatment outcomes of clevudine in antiviral-naive patients with chronic hepatitis B

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World Journal of Gastroenterology 2012年第47期18卷 6943-6950页

作者： Suk Bae kim Il Han Song Young Min kim Ran Noh Ha Yan Kang hyang Ie Lee Hyeon Yoong Yang An Na kim Hee Bok Chae Sae Hwan Lee Hong Soo kim Tae Hee Lee Young Woo Kang Eaum Seok Lee Seok Hyun kim Byung Seok Lee Heon Young Lee Department of Internal Medicine Dankook University College of MedicineCheonan 330-715South Korea Department of Internal Medicine Eulji University College of MedicineDaejeon 302-779South Korea Department of Internal Medicine Chungbuk University College of MedicineCheongju 362-711South Korea Department of Internal Medicine Soonchunhyang University College of MedicineCheonan 330-090South Korea Department of Internal Medicine Konyang University College of MedicineDaejeon 371-718South Korea Department of Internal Medicine Chungnam University College of MedicineDaejeon 301-721South Korea

AIM:To evaluate the treatment outcomes of clevudine compared with entecavir in antiviral-naive patients with chronic hepatitis B(CHB).METHODS:We retrospectively analyzed the clinical data of CHB patients treated with clevudine 30 mg/d and compared their clinical outcomes with patients treated with entecavir 0.5 mg/*** biochemical response,as assessed by serum alanine aminotransferase(ALT) activity,virologic response,as assessed by serum hepatitis B virus DNA(HBV DNA) titer,serologic response,as assessed by hepatitis B e antigen(HBeAg) status,and virologic breakthrough with genotypic mutations were ***:Two-hundred and fifty-four patients [clevudine(n = 118) vs entecavir(n = 136)] were *** clevudine-treated patients,the cumulative rates of serum ALT normalization were 83.9% at week 48 and 91.5% at week 96(80.9% and 91.2% in the entecavir group,respectively),the mean titer changes in serum HBV DNA were-6.03 and-6.55 log 10 copies/mL(-6.35 and-6.86 log 10 copies/mL,respectively,in the entecavir group),and the cumulative non-detection rates of serum HBV DNA were 72.6% and 83.1%(74.4% and 83.8%,respectively,in the entecavir group).These results were similar to those of entecavir-treated *** cumulative rates of HBeAg seroconversion were 21.8% at week 48 and 25.0% at week 96 in patients treated with clevudine,which was similar to patients treated with entecavir(22.8% and 27.7%,respectively).The virologic breakthrough in the clevudine group occurred in 9(7.6%) patients at weeks 48 and 15(12.7%) patients at week 96,which primarily corresponded to genotypic mutations of rtM204I and/or *** was no virologic breakthrough in the entecavir ***:In antiviral-naive CHB patients,longterm treatment outcomes of clevudine were not inferior to those of entecavir,except for virologic breakthrough.

关键词： Chronic hepatitis B Hepatitis B virus Clevudine Entecavir Treatment outcomes

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A case of colon perforation due to enteropathy-associated T-cell lymphoma

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World Journal of Gastroenterology 2013年第11期19卷 1841-1844页

作者： Jun Bong kim Seong Hwan kim Young Kwan Cho Sang Bong Ahn Yun Ju Jo Young sook Park Ji Hyun Lee Dong Hee kim Hojung Lee Yun Young Jung Department of Internal Medicine Eulji Medical CenterEulji UniversitySeoul 139-711South Korea Department of Surgery Eulji HospitalEulji Medical CenterSeoul 139-711South Korea Department of Pathology Eulji HospitalEulji Medical CenterSeoul 139-711South Korea Department of Radiology Eulji HospitalEulji Medical CenterSeoul 139-711South Korea

Enteropathy-associated T-cell lymphoma (EATL) is an extremely rare disease, which is often related to gluten-sensitive enteropathy. It is an uncommon intestinal lymphoma with very poor prognosis and high mortality rate. In the absence of specific symptoms or radiological findings, it is difficult to diagnose early. Major complications of EATL have been known as intestinal perforation or obstruction, and only 5 cases of EATL are reported in South Korea. In this study, we report a case of 71-year-old male with symptoms of diarrhea, which later it progressed into cancer perforation of the colon. The initial colonoscopic findings were normal and computed tomography scan demonstrated a segmental wall thickening of the distal ascending colon with nonspecific multiple small lymphnodes, along the ileocolic vessels, but no signs of mass or obstruction. The histologic findings of resected specimen confirmed EATL type II. Patient expired two weeks after the operation. Therefore, we emphasize the need of random biopsy in the presence of normal mucosa appearance on colonoscopy for the early diagnosis of EATL.

关键词： Enteropathy-associated T-cell lymphoma type II Intestinal perforation Gastrointestinal lymphoma Celiac disease

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Domain-engineered BiFeO3 thin-film photoanodes for highly enhanced ferroelectric solar water splitting

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Nano Research 2018年第2期11卷 642-655页

作者： Song, Jaesun kim, Taemin Ludvic Lee, Jongmin Cho, Sam Yeon Cha, Jaeseong Jeong, Sang Yun An, Hyunji kim, Wan Sik Jung, Yen-sook Park, Jiyoon Jung, Gun Young kim, Dong-Yu Jo, Ji Young Bu, Sang Don Jang, Ho Won Lee, Sanghan School of Materials Science and Engineering Gwangju Institute of Science and Technology (GIST) Gwangju Republic of Korea Department of Materials Science and Engineering Research Institute of Advanced Materials Seoul National University Seoul Republic of Korea Department of Physics Chonbuk National University Jeonju Republic of Korea

In photoelectrochemical （PEC） water splitting, charge separation and collection by the electric field in the photoactive material are the most important factors for improved conversion efficiency. Hence, ferroelectric oxides, in which electrons are the majority carriers, are considered promising photoanode materials because their high built-in potential, provided by their spontaneous polarization, can signifi＇canfly enhance the separation and drift of photogenerated carriers. In this regard, the PEC properties of BiFeO3 thin-film photoanodes with different crystallographic orientations and consequent ferroelectric domain structures are investigated. As the crystallographic orientation changes from （001）pc via （ll0）pc to （lll）p~, the ferroelastic domains in epitaxial BiFeO3 thin films become mono-variant and the spontaneous polarization levels increase to 110 btC/cm2. Consequent136 the photocurrent density at 0 V vs. Ag/AgC1 increases approximately 5.3-fold and the onset potential decreases by 0.180 V in the downward polarization state. It is further demonstrated that ferroelectric switching in the （lll）pc BiFeO3 thin-film photoanode leads to an approximate change of 8,000% in the photocurrent density and a 0.330 V shift in the onset potential. This study strongly suggests that domain-engineered ferroelectric materials can be used as effective charge separation and collection layers for efficient solar water-splitting photoanodes.

关键词： BiFeO3 ferroelectric photoelectrochemical domain orientation pulsed laser deposition

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Radiologic factors related to double-bar insertion in minimal invasive repair of pectus excavatum

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World Journal of Pediatrics 2015年第2期11卷 148-153页

作者： Ki Hwan kim Ki Yeol Lee Jung Bok Lee Kyung-sook Yang Jinwook Hwang Bo Kyung Je Hyung Joo Park Department of Radiology Korea University College of MedicineAnsanKorea1 Department of Clinical Epidemiology and Biostatics Asan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea Department of Biostatistics Korea University College of MedicineSeoulKorea Departmentof Thoracic Surgery Korea University College of MedicineAnsanKorea Department of Thoracic and Cardiovascular Surgery Seoul St.Mary's Hospitalthe Catholic University of KoreaSeoulKorea

Background:Pectus excavatum is the most common congenital chest wall deformity,with a high incidence in live *** study aimed to evaluate the measured factors on CT images related to the number of pectus bars for surgical ***:A total of 497 patients who had undergone minimally invasive repair between April 2007 and July 2011 were classified into single-bar(n=358)and doublebar(n=139)insertion *** measured eight distinct distances and one angle on CT scans to reflect quantitative *** analysis and multivariate logistic regression analysis were performed to detect statistically significant association between radiologic measurements and the pectus bars ***:After adjusting for age and gender,the transverse distance(T),the transverse distance of the depression area(A),the inclined distance of the depression area(B),the AP distance of the depression area(C),the depression angle(G),and the eccentric distance of deformity(E)were significantly correlated with double-bar *** regression model showed that age(,P<0.0001),gender(P<0.0001),depression angle(G)(P<0.0001),direction of the depression(DD)(P<***1)and depression depth(D)(P<0.0001)were significantly associated with doublebar ***:CT scan provides useful factors which can be of assistance in predicting the number of pectus bars for the surgical correction of pectus excavatum.

关键词： computed tomography Nuss procedure pectus excavatum

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Giant choledocholithiasis treated by mechanical lithotripsy using a gastric bezoar basket

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World Journal of Gastroenterology 2012年第25期18卷 3327-3330页

作者： Hyun Jung Chung Seok Jeong Don Haeng Lee Jung Il Lee Jin-Woo Lee Byoung Wook Bang Kye sook Kwon Hyung Kil kim Yong Woon Shin Young Soo kim Division of Gastroenterology Department of Internal MedicineInha University School of MedicineIncheon 400-711South Korea

Mechanical lithotripsy （ML） is usually considered as a standard treatment option for large bile duct stones. However, it is impossible to retrieve oversized stones because the conventional lithotripsy basket may not be able to grasp the stone. However, there is no es- tablished endoscopic extraction method for such gi- ant stone removal. We describe a case of successful extraction of a 4-cm large stone using a gastric bezoar basket. A 78-year-old woman had suffered from upper abdominal pain for 20 d. Contrast-enhanced computed tomogram revealed a 4-cm single stone in the distal common bile duct （CBD）. Endoscopic stone retraction was decided upon and endoscopic papillary balloon dilation was performed using a large balloon. An at- tempt to capture the stone using a standard lithotripsy basket failed due to the large stone size. Subsequently, we used a gastric bezoar basket to successfully capturethe stone. The stone was fragmented into small pieces and extracted. The stone was completely removed after two sessions of endoscopic retrograde cholangio- pancreatography; each of which took 30 rain. No com- plications occurred during or after the procedure. The patient was fully recovered and discharged on day 11 of hospitalization. ML using a gastric bezoar basket is a safe and effective retrieval method in select cases, and is considered as an alternative nonoperative option for the management of difficult CBD stones.

关键词： Giant choledocholithiasis Mechanical litho-tripsy Bezoar basket Common bile duct stone Endo-scopic papillary balloon dilatal^ion

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A flexible electromagnetic interference shielding film coated with a hybrid solder-magnetic powder mixture on a PET substrate

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Journal of Materiomics 2018年第4期4卷 390-401页

作者： Jae hyang Lee Dong Seok Kang Sang Hoon kim Min-Jung Son Jae Won Choi Dae Keun Choi Joon-Phil Choi Clodualdo Aranas Jr Metal 3D Printing Convergence Research Team Korea Institute of Machinery and Materials156 Gajeongbuk-roYuseong-guDaejeon34103Republic of Korea Metal Powder Department Korea Institute of Materials Science797 Changwon-daeroSeongsan-guChangwon-siGyeongsangnam-do51508Republic of Korea Digital Manufacturing Process Group Korea Institute of Industrial Technology113e58 Seohaean-roSiheung-siGyeonggi-do15014Republic of Korea Department of Printed Electronics Korea Institute of Machinery and Materials156 Gajeongbuk-roYuseong-guDaejeon34103Republic of Korea Department of Mining and Materials Engineering McGill University3610 University StreetMontrealQuebecH3A 0C5Canada Mechanical Engineering University of New Brunswick15 Dineen DriveFrederictonNew BrunswickE3B 5A3Canada

A flexible electromagnetic interference(EMI)shielding film was innovatively fabricated using both low melting temperature solder arrays and amorphous soft magnet particulates consolidated on a polyethylene terephthalate(PET)***,the IneSneBi solder arrays presented a low melting point of 99.4C,which enabled attachment to the heat-sensitive plastic substrate without any thermal damage,and a low electrical resistivity of 14.1 mU cm,making them very effective at interrupting EM ***,the solder arrays with a high thermal conductivity of 61.2 W/(m$K)at 298.15 K were also useful as a thermal conductor for a heat ***,the solder arrays provide efficient electrical and thermal channels for electron transport induced by abruptly or consistently created EM waves due to suddenly turning on and the long term operation of electronics,***,the Fe-based magnetic particulates were added and resulted in effective saturation magnetization of 161.1 emu/g,remanence of 2.9 emu/g,and coercivity of 12.5 G,thus were able to disturb the EM pathway because of their soft magnetic ***,the hybrid EMI shielding film with exceptionally high electrical and thermal conductivity and superior soft magnetic properties provided remarkable shielding effectiveness of 102.5 dB at 10.2 GHz.

关键词： Flexible EMI shielding film PET substrate Solder arrays Magnetic particulates

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