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Association of low muscle strength with metabolic dysfunctionassociated fatty liver disease:A nationwide study

World Journal of Gastroenterology 2023年第45期29卷 5962-5973页

作者： Gyu Bae Lee Youn Huh Sang Hyun Lee Byoungduck Han Yang-Hyun Kim Do-Hoon Kim Seon Mee Kim Youn Seon choi kyung Hwan cho Ga Eun Nam Department of Family Medicine Korea University College of MedicineSeoul 02841South Korea Department of Family Medicine Uijeongbu Eulji Medical CenterEULJI UniversityDaejeon 11759South Korea School of Electrical Engineering Korea UniversitySeoul 02841South Korea

BACKGROUND There is limited evidence regarding the association between muscle strength and metabolic dysfunction-associated fatty liver disease(MAFLD).AIM To investigate the association between muscle strength and MAFLD in the general population in *** This nationwide representative cross-sectional study included 31649 individuals aged≥19 years who participated in the Korea National Health and Nutrition Examination Survey between 2015 and *** ratios(ORs)and 95%confidence intervals(95%CIs)for MAFLD according to sex-specific quartiles of muscle strength,defined by relative handgrip strength,were calculated using multivariable logistic regression ***,multivariable logistic regression analysis was used to assess the association between muscle strength and probable liver fibrosis in patients with *** Of all the participants,29.3%had *** prevalence of MAFLD was significantly higher in the lower muscle strength quartile groups for all participants,sexes,and age groups(P<0.001).A 1.92-fold(OR=1.92,95%CI:1.70–2.16)and 3.12-fold(OR=3.12,95%CI:2.64–3.69)higher risk of MAFLD was observed in the lowest quartile(Q1)group than in the other groups(Q2–Q4)and the highest quartile(Q4)group,*** ORs of MAFLD were significantly increased in the lower muscle strength quartile groups in a dose-dependent manner(P for trend<0.001).These associations persisted in both *** inverse association between muscle strength and the risk of MAFLD was observed in all subgroups according to age,obesity,and diabetes *** patients with MAFLD,the odds of severe liver fibrosis were higher in Q1(OR=1.83,95%CI:1.25–2.69)than in other groups(Q2–Q4).CONCLUSION Among Korean adults,low muscle strength was associated with an increased risk of MAFLD and liver fibrosis in patients with MAFLD.

关键词： Muscle strength Handgrip strength Metabolic dysfunction-associated fatty liver disease Liver fibrosis Korea National Health and Nutrition Examination Survey

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A case of hypereosinophilic syndrome presenting with intractable gastric ulcers

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World Journal of Gastroenterology 2009年第48期15卷 6129-6133页

作者： Tae Young Park Chang Hwan choi Suh Yoon Yang InSoo Oh In-Do Song Hyun Woong Lee Hyung Joon Kim Jae Hyuk Do Sae kyung Chang Ah Ra cho Young Joo Cha Department of Internal Medicine Chung-Ang University College of Medicine Department of Laboratory Medicine Chung-Ang University College of Medicine

We report a rare case of hypereosinophilic syndrome （HES） presenting with intractable gastric ulcers. A 71-year-old man was admitted with epigastric pain. Initial endoscopic findings revealed multiple, active gastric ulcers in the gastric antrum. He underwent Helicobacterpylori （Hpylon） eradication therapy followed by proton pump inhibitor （PPI） therapy. However, follow- up endoscopy at 4, 6, 10 and 14 mo revealed persistent multiple gastric ulcers without significant improvement. The proportion of his eosinophil count increased to 43% （total count： 7903/mm3）. Abdominal-pelvic and chest computed tomography scans showed multiple small nodules in the liver and both lungs. The endoscopic biopsy specimen taken from the gastric antrum revealed prominent eosinophilic infiltration, and the liver biopsy specimen also showed eosinophilic infiltration in the portal tract and sinusoid. A bone marrow biopsy disclosed eosinophilic hyperplasia as well as increased cellularity of 70%. The patient was finally diagnosed with HES involving the stomach, liver, lung, and bone marrow. When gastric ulcers do not improve despite H pylon eradication and prolonged PPI therapy, infiltrative gastric disorders such as HES should be considered.

关键词： Gastric ulcer Hypereosinophilic syndrome

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Benidipine has effects similar to losartan on the central blood pressure and arterial stiffness in mild to moderate essential hypertension

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Chinese Medical Journal 2013年第11期126卷 2021-2028页

作者： Sang-Hyun Ihm Hui-kyung Jeon Shung Chull Chae Do-Sun Lim Kee-Sik Kim Dong-Ju choi Jong-Won Ha Dong-Soo Kim Kye Hun Kim Myeong-Chan cho Sang Hong Baek Division of Cardiology College of Medicine The Catholic University of Korea Seoul Republic of Korea Jeon HK and Baek SH) Department of Internal Medicine Kyungpook National University Hospital Daegu Republic of Korea Division of Cardiology Korea University Anam Hospital SeoulRepublic of Korea Division of Cardioiogy Daegu Catholic University Medical Center Daegu Republic of Korea Division of Cardiology Seoul National University Bundang Hospital Seongnam Republic of Korea Cardiology Division Yonsei Cardiovascular Center Yonsei University College of Medicine Seoul Republic of Korea Division of Cardiology Inje University College of Medicine Busan Paik Hospital Busan Republic of Korea Heart Research Center of chonnam National University Hospital Gwangju Republic of Korea Department of Internal Medicine Chungbuk National University Hosoital. Cheon~iu. Republic of Korea

Background Central blood pressure （BP） is pathophysiologically more important than peripheral BP for the pathogenesis of cardiovascular disease. Arterial stiffness is also a good predictor of cardiovascular morbidity and mortality. The effects of benidipine, a unique dual L-IT-type calcium channel blocker, on central BP have not been reported. This study aimed to compare the effect of benidipine and Iosartan on the central BP and arterial stiffness in mild to moderate essential hypertensives. Methods This 24 weeks, multi-center, open label, randomized, active drug comparative, parallel group study was designed as a non-inferiority study. The eligible patients （n=200） were randomly assigned to receive benidipine （n=101） or Iosartan （n=99）. Radial artery applanation tonometry and pulse wave analysis were used to measure the central BP, pulse wave velocity （PWV） and augmentation index （AIx）. We also measured the metabolic and inflammatory markers. Results After 24 weeks, the central BP decreased significantly from baseline by （16.8±14.0/10.5±9.2） mmHg （1 mmHg =0.133 kPa）（systolic/diastolic BP; P 〈0.001） in benidipine group and （18.9±14.7/12.1±10.2） mmHg （P 〈0.001） in Iosartan group respectively. Both benidipine and Iosartan groups significantly lowered peripheral BP （P 〈0.001） and AIx （P 〈0.05）, but there were no significant differences between the two groups. The mean aortic, brachial and femoral PWV did not change in both groups after 24-week treatment. There were no significant changes of the blood metabolic and inflammatory biomarkers in each group. Conclusion Benidipine is as effective as Iosartan in lowering the central and peripheral BP, and improving arterial stiffness.

关键词： calcium channel blocker central blood pressure hypertension arteries stiffness

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Angelica tenuissima Nakai Ameliorates Cognitive Impairment and Promotes Neurogenesis in Mouse Model of Alzheimer's Disease

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Chinese Journal of Integrative Medicine 2018年第5期24卷 378-384页

作者： Minji choi Younghyurk Lee Seung-Hun cho Department of Psychiatry Hospital of Korean Medicine Kyung Hee University Medical Center

Objective: To research Angelica tenuissima Nakai(ATN) for use in novel Alzheimer’s disease(AD) therapeutics. Methods: The effect of a 30% ethanol extract of ATN(KH032) on AD-like cognitive impairment and neuropathological and neuroinflammatory changes induced by bilateral intracerebroventricular injections of β-amyloid(Aβ) peptide(Aβ1-42) was investigated. Male C57 Bl/6 mice were randomly divided into 4 groups, 10 in each group. KH032-treated groups were administrated with a low or high dose of KH032(50 and 200 mg/kg, respectively), intragastrically for 16 days; distilled water was applied in the sham and negative groups. Open field test, Y maze and Morris water maze test were used for behavior test and cognitive ability. In addition, the neuroprotective effects of KH032 in Aβ1-42-infused mice on the histopathological markers [neuronspecific nuclear protein(Neu N), Aβ1-42] of neurodegeneration were examined. The levels of glial fibrillary acidic protein(GFAP), Neu N, phosphorylation extracellular signal-regulated kinase(ERK)/ERK, brain-derived neurotrophic factor(BDNF), phosphorylation c AMP response element-binding(CREB)/CREB protein expression were measured by Western blot. Results: KH032 treatment ameliorated cognitive impairments, reduced the overexpression of Aβ1-42, and inhibited neuronal loss and neuroinflammatory response in the Aβ1-42-infused mice. Moreover, KH032 treatment enhanced BDNF expression levels in the hippocampus. Finally, KH032 treatment increased phosphorylation of ERK1/2 and CREB, vital for ERK-CREB signaling. Conclusions: KH032 attenuated cognitive deficits in the Aβ1-42-infused mice by increasing BDNF expression and ERK1/2 and CREB phosphorylation and inhibiting neuronal loss and neuroinflammatory response, suggesting that KH032 has therapeutic potential in neurodegenerative disorders such as AD.

关键词： Alzheimer's disease Angelica tenuissima Nakai beta amyloid cognitive impairment neurogenesis

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Characterization of smooth muscle, enteric nerve, interstitial cells of Cajal, and fibroblast-like cells in the gastric musculature of patients with diabetes mellitus

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World Journal of Gastroenterology 2016年第46期22卷 10131-10139页

作者： kyung Sik Park Kwang Bum cho Il Seon Hwang Jae Hyung Park Byung Ik Jang Kyeong Ok Kim Sung Woo Jeon Eun Soo Kim Chang Sik Park Joong Goo Kwon Department of Internal Medicine Keimyung University School of Medicine Department of Pathology Keimyung University School of Medicine Department of Physiology Keimyung University School of Medicine Department of Internal Medicine Youngnam University College of Medicine Department of Internal Medicine Kyungpook National University School of Medicine Department of Advanced Materials Convergence Korea Institute of Ceramic Engineering and Technology Department of Internal Medicine Catholic University of Daegu School of Medicine

AIM To investigate histologic abnormalities in the gastric smooth muscle of patients with diabetes mellitus(DM).METHODS Full-thickness gastric specimens were obtained from patients undergoing surgery for gastric cancer. H&E stain and Masson's Trichrome stain were performed to assess the degree of fibrosis. Immunohistochemical staining using various antibodies was also performed [antibodies against protein gene product 9.5(PGP9.5), neuronal nitric oxide synthase(n NOS), vasoactive intestinal peptide(VIP), neurokinin-1(NK1) receptor, c-Kit, and platelet-derived growth factor receptor-alpha,(PDGFRα)]. Immunofluorescent staining and evaluation with confocal microscopy were also *** Twenty-six controls and 35 diabetic patients(21 shortduration patients and 14 long-duration patients) were included. There were no significant differences in basic demographics between the two groups except in mean body mass index(BMI)(higher in the DM group). Proportions of moderate-to-severe intercellular fibrosis in the muscle layer were significantly higher in the DM group than in the control group(P < 0.01). On immunohistochemical staining, c-Kit- and PDGFRα-positive immunoreactivity were significantly decreased in the DM group compared with the control group(P < 0.05). There were no statistically significant differences in PGP9.5, n NOS, VIP, and neurokinin 1 expression. On immunofluorescent staining, cellularity of interstitial cells of Cajal(ICC) was observed to decrease with increasing duration of *** Our study suggests that increased intercellular fibrosis, loss of ICC, and loss of fibroblast-like cells are found in the smooth muscle of DM patients. These abnormalities may contribute to changes in gastric motor activity in patients with DM.

关键词： Diabetes mellitus Interstitial cells of Cajal Fibroblast-like cell Gastroparesis Enteric nerve system

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Negative impact of sedation on esophagogastric junction evaluation during esophagogastroduodenoscopy

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World Journal of Gastroenterology 2014年第18期20卷 5527-5532页

作者： Eun Soo Kim Ho Young Lee Yoo Jin Lee Bo Ram Min Jae Hyuk choi kyung Sik Park Kwang Bum cho Byoung Kuk Jang Woo Jin Chung Jae Seok Hwang Division of Gastroenterology and Hepatology Department of Internal MedicineKeimyung University School of MedicineDaegu 700-712South Korea

AIM: To compare the esophagogastric junction (EGJ) areas observed in sedated and non-sedated patients during esophagogastroduodenoscopy (EGD).

关键词： Esophagogastric junction Endoscopy Esophagus Propofol Midazolam

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Interactions between Transmembrane Helices within Monomers of the Aquaporin AtPIP2;1 Play a Crucial Role in Tetramer Formation

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Molecular Plant 2016年第7期9卷 1004-1017页

作者： Yun-Joo Yoo Hyun kyung Lee Wonhee Han Dae Heon Kim Myoung Hui Lee Jouhyun Jeon Dong Wook Lee Junho Lee Yongjik Lee Juhun Lee Jin Seok Kim Yunje cho Jin-Kwan Han Inhwan Hwang School of Interdisciplinary Bioscience and Bioengineering Pohang University of Science and Technology Pohang 790-784 Korea Department of Life Sciences Pohang University of Science and Technology Pohang 790-784 Korea Department of Biology Sunchon National University Sunchon 57922 Korea Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang 790-784 Korea

Aquaporin （AQP） is a water channel protein found in various subcellular membranes of both prokaryotic and eukaryotic cells. The physiological functions of AQPs have been elucidated in many organisms. However, understanding their biogenesis remains elusive, particularly regarding how they assemble into tetramers. Here, we investigated the amino acid residues involved in the tetramer formation of the Arabidopsis plasma membrane AQP AtPIP2;1 using extensive amino acid substitution mutagenesis. The mutant proteins V41A/ E44A, F51A/L52A, F87A/191A, F92A/193A, V95A/Y96A, and H216A/L217A, harboring alanine substitutions in the transmembrane （TM） helices of AtPIP2;1 polymerized into multiple oligomeric complexes with a vari- able number of subunits greater than four. Moreover, these mutant proteins failed to traffic to the plasma membrane, instead of accumulating in the endoplasmic reticulum （ER）. Structure-based modeling revealed that these residues are largely involved in interactions between TM helices within monomers. These results suggest that inter-TM interactions occurring both within and between monomers play crucial roles in tetramer formation in the AtPIP2;1 complex. Moreover, the assembly of AtPIP2;1 tetramers is critical for their trafficking from the ER to the plasma membrane, as well as water permeability.

关键词： aquaporin AtPIP2 tetramer formation interaction between transmembrane helices

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Development of an analytical method for multi-residue quantification of 18 anthelmintics in various animal-based food products using liquid chromatography-tandem mass spectrometry

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Journal of Pharmaceutical Analysis 2021年第1期11卷 68-76页

作者： kyung-Hee Yoo Da-Hee Park A.M.Abd El-Aty Seong-Kwan Kim Hae-Ni Jung Da-Hye Jeong Hee-Jung cho Ahmet Hacimuftuoglu Jae-Han Shim Ji Hoon Jeong Ho-Chul Shin Department of Veterinary Pharmacology and Toxicology College of Veterinary MedicineKonkuk UniversitySeoul143-701Republic of Korea State Key Laboratory of Biobased Material and Green Papermaking College of Food Science and EngineeringQilu University of TechnologyShandong Academy of ScienceJinan250353China Department of Pharmacology Faculty of Veterinary MedicineCairo University12211GizaEgypt Department of Medical Pharmacology Medical FacultyAtaturk UniversityErzurum25240Turkey Department of Veterinary Physiology College of Veterinary MedicineKonkuk UniversitySeoul143-701Republic of Korea Natural Products Chemistry Laboratory College of Agriculture and Life SciencesChonnam National UniversityGwangju500-757Republic of Korea Department of Pharmacology College of MedicineChung-Ang UniversitySeoul156-756Republic of Korea

In this study,we developed a simple screening procedure for the determination of 18 anthelmintics(including benzimidazoles,macrocyclic lactones,salicylanilides,substituted phenols,tetrahydropyrimidines,and imidazothiazoles)in five animal-derived food matrices(chicken muscle,pork,beef,milk,and egg)using liquid chromatography-tandem mass *** were extracted using acetonitrile/1% acetic acid(milk and egg)and acetonitrile/1% acetic acid with 0.5 mL of distilled water(chicken muscle,pork,and beef),and purified using saturated n-hexane/acetonitrile.A reversed-phase analytical column and a mobile phase consisting of(A)10 mM ammonium formate in distilled water and(B)methanol were used to achieve optimal chromatographic ***-matched standard calibration curves(R^(2)≥0.9752)were obtained for concentration equivalent to ×1/2,×1,×2,×3,×4,and×5 fold the maximum residue limit(MRL)stipulated by the Korean Ministry of Food and Drug *** of 61.2e118.4%,with relative standard deviations(RSDs)of ≤19.9%(intraday and interday),were obtained for each sample at three spiking concentrations(×1/2,×1,and ×2 the MRL values).Limits of detection,limits of quantification,and matrix effects were 0.02e5.5 mg/kg,0.06e10 mg/kg,and -98.8 to 13.9%(at 20 μg/kg),*** five samples of each food matrix(chicken muscle,pork,beef,milk,and egg)purchased from large retailers in Seoul that were tested,none of the target analytes were *** has therefore been shown that this protocol is adaptable,accurate,and precise for the quantification of anthelmintic residues in foods of animal origin.

关键词： Anthelmintics Tandem mass spectrometry Animal-based food products Residue analysis Method validation

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Comparison of a novel bedside portable endoscopy device with nasogastric aspiration for identifying upper gastrointestinal bleeding

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World Journal of Gastroenterology 2014年第25期20卷 8221-8228页

作者： Jong Hwan choi Jae Hyuk choi Yoo Jin Lee Hyung Ki Lee Wang Yong choi Eun Soo Kim kyung Sik Park Kwang Bum cho Byoung Kuk Jang Woo Jin Chung Jae Seok Hwang Division of Gastroenterology and Hepatology Department of Internal Medicine Keimyung University School of MedicineDaegu 700-712South Korea

AIM: To compare outcomes using the novel portable endoscopy with that of nasogastric (NG) aspiration in patients with gastrointestinal bleeding.

关键词： Endoscopy Gastrointestinal bleeding Nasogastric aspiration

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Muscular atrophy and weakness in the lower extremities in Behçet’s disease: A case report and review of literature

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World Journal of Clinical Cases 2021年第20期9卷 5647-5654页

作者： Koh-Woon Kim Jae-Heung cho Department of Korean Medicine Rehabilitation College of Korean MedicineKyung Hee UniversitySeoul 02447South Korea

BACKGROUND In Behçet’s disease(BD),very few cases of muscular involvement have been reported *** natural history and therapeutic protocol for muscular involvement in BD are obscure due to the low incidence of peripheral neuropathy or myopathy in *** purpose of our study was to report a rare case of BD with chronic,focal forms of neuromyopathy and review the relevant *** SUMMARY We herein report the case of a 54-year-old man who presented with progressive muscular atrophy and weakness of both thighs 2 years after the presentation of the cardinal symptoms of *** past medical history,electrophysiological study,neurological examination,blood tests,magnetic resonance imaging study,and histological exam were performed for the differential *** literature on muscular involvement in BD was *** examination revealed that muscular involvement was predominantly localized in the proximal parts of the lower *** enhancement of several thigh muscles was observed on magnetic resonance imaging,which corresponded with the clinical *** study of one of the enhanced muscles showed denervation atrophy of the muscle with superimposed myopathic changes,while electrophysiological studies only suggested *** To our knowledge,this is the first case of neurogenic muscular atrophy with a specific set of clinical,radiological,electrophysiological,and histological findings reported in BD.

关键词： Behçet’s disease Muscular atrophy Muscular weakness Neuropathy Myopathy Case report

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