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Helicobacter pylori infection is not associated with nonalcoholic fatty liver disease

World Journal of Gastroenterology 2016年第8期22卷 2592-2600页

作者： Myong Ki Baeg Seung Kew Yoon sun-hye ko Yong-sun Noh In-Seok Lee Myung-Gyu Choi Department of Internal Medicine The Catholic University of Korea College of Medicine

AIM: To determine whether Helicobacter pylori (H. pylori) infection confers a higher risk of Nonalcoholic fatty liver disease (NAFLD).METHODS: Healthy people who underwent health screening were analyzed retrospectively. Inclusion criteria were age ≥ 20 years, history of H. pylori infection, and recorded insulin level. Participants were classified as H. pylori positive or negative according to 13C urea breath tests. NAFLD was defined using the hepatic steatosis index (HSI) and NAFLD liver fat score (NAFLD-LFS). Those with an HSI > 36 or NAFLD-LFS > -0.640 were considered to have NAFLD. Multivariable logistic regression was performed to identify risk factors for ***: Three thousand six hundred and sixty-three people were analyzed and 1636 (44.7%) were H. pylori positive. H. pylori infection was associated with older age, male gender, hypertension, higher body mass index, and a dyslipidemic profile. HSI differed significantly between H. pylori positive and negative subjects (median 33.2, interquartile range (IQR) 30.0-36.2 for H. pylori-positive vs median 32.6, IQR 29.8-36.0 for negative participants, P = 0.005), but NAFLD-LSF did not [median -1.7, IQR -2.4 - -0.7 vs median -1.8, IQR -2.4-(-0.7), respectively, P = 0.122]. The percentage of people with NAFLD did not differ between infected and uninfected groups: HIS, 26.9% vs 27.1%, P = 0.173; NAFLD-LFS, 23.5% vs 23.1%, P = 0.778. H. pylori infection was not a risk factor, but C-reactive protein concentration and smoking were significant risk factors for ***: H. pylori infection is not a risk factor for NAFLD as indicated by HSI or NAFLD-LFS. Prospective, large-scale studies involving liver biopsies should be considered.

关键词： Helicobacter pylori Nonalcoholic fatty liver disease Hepatic steatosis index Nonalcoholic fatty liver disease liver fat score Urea breath test

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A case of a duodenal duplication cyst presenting as melena

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World Journal of Gastroenterology 2013年第38期19卷 6490-6493页

作者： Seung Yeon ko sun hye ko sungeun Ha Mi sung Kim Hyang Mi Shin Myong Ki Baeg Department of General Surgery College of MedicineThe Catholic University of Korea Department of Internal Medicine College of MedicineThe Catholic University of Korea Department of Pathology College of MedicineThe Catholic University of Korea

Duodenal duplication cysts are benign rare congenital anomalies reported mainly in the pediatric population,but seldom in *** depend on the type and location and can present as abdominal pain,distension,dysphagia or *** have been reported to be responsible for duodenal obstruction,pancreatitis and,in rare cases,gastrointestinal *** present a case of a duodenal duplication cyst in a 43-year-old man presenting as *** gastroduodenoscopy and colonoscopy did not reveal any bleeding ***,the patient began passing melena after 3 d,with an acute decrease in hemoglobin *** studies revealed a duplication cyst in the second portion of the duodenum which was surgically *** revealed a duodenal duplication cyst consisting of intestinal *** was no further bleeding and the patient recovered *** rare cases,duodenal duplication cysts might cause gastrointestinal bleeding and should be included in the differential diagnosis.

关键词： Gastrointestinal hemorrhage Duodenum Duplication

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Case of inappropriate ADH syndrome:Hyponatremia due to polyethylene glycol bowel preparation

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World Journal of Gastroenterology 2014年第34期20卷 12350-12354页

作者： sun-hye ko Chul-Hyun Lim Jae-Young Kim Seung Hun Kang Myong Ki Baeg Hyun Jin Oh Division of Endocrinology and Metabolism Department of Internal MedicineCollege of MedicineThe Catholic UniversitySeoul 137-701South Korea Division of Gastroenterology Department of Internal MedicineCollege of MedicineThe Catholic University of KoreaSeoul 137-701South Korea

Colonoscopic screening has been reported to reduce deaths from colorectal *** bowel preparation is essential for this and safety is an important issue in choosing the *** glycol(PEG)is regarded as a safe method for cleansing,especially compared with oral sodium ***,we present a case of hyponatremia caused by the syndrome of inappropriate antidiuretic hormone(ADH)syndrome after PEG precolonoscopic cleansing resulting in generalized tonic-clonic seizures.A 62-year-old women had ingested PEG for precolonoscopic bowel *** waiting for the colonoscopy,she developed a stuporous mentality and generalized tonic-clonic seizures,which did not correlate with brain magnetic resonance *** serum sodium level was 113 mEq per liter and laboratory analyses were consistent with inappropriate ADH *** thyroid and adrenal functions were *** were no malignancies,infections,respiratory disorders or central nervous disorders and she had no history of taking either diuretics or other medications,which might have caused inappropriate ADH *** was treated with 3%hypertonic saline and showed a complete neurological recovery as her sodium levels ***-up visits showed the patient to have a normal sodium level without neurologic *** case shows that inappropriate ADH syndrome can be caused by PEG preparation,which implies that physicians have to be aware of the possible side effects of this colonic cleansing approach and mindful of the possible ensuing symptoms.

关键词： Inappropriate antidiuretic hormone syndrome Colonoscopy Polyethyelene glycol Hyponatremia Seizure

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Increased liver markers are associated with higher risk of type 2 diabetes

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World Journal of Gastroenterology 2015年第24期21卷 7478-7487页

作者： sun-hye ko Myong Ki Baeg Kyung-Do Han Seung-Hyun ko Yu-Bae Ahn Division of Endocrinology and Metabolism Department of Internal Medicine College of Medicine The Catholic University of Korea Division of Gastroenterology Department of Internal Medicine College of Medicine The Catholic University of Korea Department of Biostatistics College of Medicine The Catholic University of Korea

AIM: To investigate the association between liver markers and the risk of type 2 diabetes(T2DM) and impaired fasting glucose(IFG).METHODS: A total of 8863 participants(3408 men and 5455 women) over 30 years of age were analyzed from the fifth korean National Health and Nutrition Examination Survey(2010-2011). The associations of serum liver markers such as aspartate aminotransferase(AST), alanine aminotransferase(ALT), AST/ALT, and gamma-glutamyltransferase(GGT) with T2 DM and IFG were analyzed using logistic regression models. Participants were divided into sex-specific quartiles on the basis of liver ***: The prevalence of T2 DM and IFG were 11.3% and 18.3%. Increasing quartiles of ALT and GGT were positively and AST/ALT were negatively correlated with T2 DM and IFG. Analysis of the liver marker combinations showed that if any two or more markers were in the highest risk quartile, the risks of both T2 DM and IFG increased significantly. The risk was greatest when the highest ALT and GGT and lowest AST/ALT quartile were combined, with the riskof T2 DM at 3.21(95%CI: 1.829-5.622, P < 0.001) in men and 4.60(95%CI: 3.217-6.582, P < 0.001) in women. Men and women with the highest AST and ALT and lowest AST/ALT quartile had a 1.99 and 2.40 times increased risk of ***: Higher levels of GGT and ALT and lower AST/ALT within the physiological range are independent, additive risk factors of T2 DM and IFG.

关键词： Type 2 diabetes mellitus Liver markers Impaired fasting glucose Gamma-glutamyl transferase Aspartate aminotransferase Alanine aminotransferase

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Brain age estimation:premise,promise,and problems

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Neural Regeneration Research 2025年第8期20卷 2313-2314页

作者： Jarrad Perron Ji Hyun ko Graduate Program in Biomedical Engineering Price Faculty of EngineeringUniversity of ManitobaWinnipegMBCanada PrairieNeuro Research Centre Kleysen Institute for Advanced MedicineHealth Sciences CentreWinnipegMBCanada Department of Human Anatomy and Cell Science Rady Faculty of Health SciencesUniversity of ManitobaWinnipegMBCanada

Premise:The com bined effects of modern healthcare practices which prolong lifespan and declining birthrates have created unprecedented changes in age demographics worldwide that are especially pronounced in Japan,South korea,Europe,and North *** old age is the most significant predictor of dementia,global healthcare systems must rise to the challenge of providing care for those with neurodegenerative disorders.

关键词： estimation providing birth

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Impact of ocean data assimilation on the seasonal forecast of the 2014/15 marine heatwave in the Northeast Pacific Ocean

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Atmospheric and Oceanic Science Letters 2025年第1期18卷 24-31页

作者： Tiantian Tang Jiaying He Huihang sun Jingjia Luo Institute for Climate and Application Research(ICAR)/Key Laboratory of Meteorological Disaster Nanjing University of Information Science and TechnologyNanjingChina

A remarkable marine heatwave,known as the“Blob”,occurred in the Northeast Pacific Ocean from late 2013 to early 2016,which displayed strong warm anomalies extending from the surface to a depth of 300 *** study employed two assimilation schemes based on the global Climate Forecast System of Nanjing University of Information Science(NUIST-CFS 1.0)to investigate the impact of ocean data assimilation on the seasonal prediction of this extreme marine *** sea surface temperature(SST)nudging scheme assimilates SST only,while the deterministic ensemble Kalman filter(EnKF)scheme assimilates observations from the surface to the deep *** latter notably improves the forecasting skill for subsurface temperature anomalies,especially at the depth of 100-300 m(the lower layer),outperforming the SST nudging *** excels in predicting both horizontal and vertical heat transport in the lower layer,contributing to improved forecasts of the lower-layer warming during the *** improvements stem from the assimilation of subsurface observational data,which are important in predicting the upper-ocean *** results suggest that assimilating ocean data with the EnKF scheme significantly enhances the accuracy in predicting subsurface temperature anomalies during the Blob and offers better understanding of its underlying mechanisms.

关键词： Seasonal forecast Ocean data assimilation Marine heatwave Subsurface temperature

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Boosting bidirectional sulfur conversion enabled by introducing boron-doped atoms and phosphorus vacancies in Ni2P for lithium-sulfur batteries

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Journal of Energy Chemistry 2025年第1期100卷 760-769页

作者： Lin Peng Yu Bai Hang Li Meixiu Qu Zhenhua Wang Kening sun Advanced Research Institute of Multidisciplinary Science Beijing Institute of Technology Beijing Key Laboratory of Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology

Lithium-sulfur （Li-S） batteries have gained great attention due to the high theoretical energy density and low cost,yet their further commercialization has been obstructed by the notorious shuttle effect and sluggish redox ***,we supply a strategy to optimize the electron structure of Ni2P by concurrently introducing B-doped atoms and P vacancies in Ni2P （Vp-B-Ni2P）,thereby enhancing the bidirectional sulfur *** study indicates that the simultaneous introduction of B-doped atoms and P vacancies in Ni2P causes the redistribution of electron around Ni atoms,bringing about the upward shift of d-band center of Ni atoms and effective d-p orbital hybridization between Ni atoms and sulfur species,thus strengthening the chemical anchoring for lithium polysulfides （LiPSs） as well as expediting the bidirectional conversion kinetics of sulfur ***,theoretical calculations reveal that the incorporation of B-doped atoms and P vacancies in Ni2P selectively promotes Li2S dissolution and nucleation ***,the Li-S batteries with Vp-B-Ni2P-separators present outstanding rate ability of 777 m A h g-1at 5 C and high areal capacity of 8.03 mA h cm-2under E/S of 5μL mg-1and sulfur loading of 7.20 mg *** work elucidates that introducing heteroatom and vacancy in metal phosphide collaboratively regulates the electron structure to accelerate bidirectional sulfur conversion.

关键词： Lithium sulfur batteries

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Brain endothelial cyclic GMP-AMP synthase(cGAS)-stimulator of interferon genes(STING)signaling pathway in aging and neurodegeneration

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Neural Regeneration Research 2025年第7期20卷 2005-2007页

作者： Bryan sun Lulin Li Jian Luo Palo Alto Veterans Institute for Research VA Palo Alto Health Care SystemPalo AltoCAUSA Polytrauma System of Care VA Palo Alto Health Care SystemPalo AltoCAUSA

The cyclic GMP-AMP synthase(cGAS)-stimulator of interferon genes(STING)signaling pathway has emerged as a key mediator of *** current studies primarily attribute its effects to neurons and glial cells,emerging research suggests that cGAS-STING signaling may play a critical role in cerebral vasculature,particularly in brain endothelial ***,studying the role 7of inflammation caused by the cGAS-STING pathway in brain endothelial cells could provide a more comprehensive understanding of neuroinflammatory disease and new avenues for therapeutic ***,we review the multifaceted role of global cGAS-STING signaling in various neurological and neuroinflammatory diseases and the potential contribution of cGAS-STING in brain endothelial cells.

关键词： stimulator interferon inflammation

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GENERAL DECAY OF A TRANSMISSION PROBLEM FOR KIRCHHOFF TYPE WAVE EQUATIONS WITH BOUNDARY MEMORY CONDITION

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Acta Mathematica Scientia 2014年第5期34卷 1395-1403页

作者： sun hye PARK Center for Education Accreditation Pusan National University

In this paper, we investigate the influence of boundary dissipation on the de-cay property of solutions for a transmission problem of Kirchhoff type wave equation with boundary memory condition. By introducing suitable energy and Lyapunov functionals, we establish a general decay estimate for the energy, which depends on the behavior of relaxation function.

关键词： transmission problem Kirchhoff type general decay memory term relaxationfunction

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STABILITY OF A VON KARMAN EQUATION WITH INFINITE MEMORY

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Acta Mathematica Scientia 2017年第4期37卷 965-973页

作者： sun-hye PARK Center for Education Accreditation Pusan National UniversityBusan 609-735South Korea

In this paper, we consider a von Karman equation with infinite memory. For yon Karman equations with finite memory, there is a lot of literature concerning on existence of the solutions, decay of the energy, and existence of the attractors. However, there are few results on existence and energy decay rate of the solutions for yon Karman equations with infinite memory. The main goal of the present paper is to generalize previous results by treating infinite history instead of finite history.

关键词： yon Karman equation general decay infinite memory

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