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Brain-derived neurotrophic factor mediates macrophage migration inhibitory factor to protect neurons against oxygen-glucose deprivation

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Neural Regeneration Research 2020年第8期15卷 1483-1489页

作者： Su Hwan Bae Mi Ran Yoo Ye Yeong Kim In kyung hong Mi Hee Kim Seung Hak Lee Dae Yul Kim Department of Rehabilitation Medicine Asan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea Asan Institute for Life Sciences Asan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea

Macrophage migration inhibitory factor(MIF)is a chemokine that plays an essential role in immune system *** studies suggested that MIF protects neurons in ischemic ***,few studies are reported on the role of MIF in neurological recovery after ischemic *** purpose of this study is to identify the molecular mechanism of neuroprotection mediated by *** neuroblastoma cells were incubated in Dulbecco’s modified Eagle’s medium under oxygen-glucose deprivation(OGD)for 4 hours and then returned to normal aerobic environment for reperfusion(OGD/R).30 ng/mL MIF recombinant(30 ng/mL)or ISO-1(MIF antagonist;50μM)was administered to human neuroblastoma *** cell cultures were assigned to one of four groups:control,OGD/R,OGD/R with MIF,OGD/R with *** viability was analyzed using WST-1 *** levels of brain-derived neurotrophic factor(BDNF),microtubule-associated protein 2(MAP2),Caspase-3,Bcl2,and Bax were detected by western blot assay and immunocytochemistry in each group to measure apoptotic ***-1 assay results revealed that compared to the OGD/R group,cell survival rate was significantly higher in the OGD/R with MIF group and lower in the OGD/R with ISO-1 *** blot assay and immunocytochemistry results revealed that expression levels of BDNF,Bcl2,and MAP2 were significantly higher,and expression levels of Caspase-3 and Bax were significantly lower in the MIF group than in the OGD/R *** levels of BDNF,Bcl2,and MAP2 were significantly lower,and expression levels of Caspase-3 and Bax were significantly higher in the ISO-1 group than in the OGD/R *** administration promoted neuronal cell survival and induced high expression levels of BDNF,MAP2,and Bcl2(anti-apoptosis)and low expression levels of Caspase-3 and Bax(pro-apoptosis)in an OGD/R *** results suggest that MIF administration is effective for inducing expression of BDNF and leads to neuroprotection of neuronal cells

关键词： apoptosis brain-derived neurotrophic factor hypoxia in vitro ischemic stroke macrophage migration inhibitory factor nerve regeneration neuroprotective effect reperfusion

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Analytical method development of pregabalin and related substances in extended release tablets containing polyethylene oxide

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Asian Journal of Pharmaceutical Sciences 2016年第1期11卷 229-230页

作者： Jin Seob Oh Seo Hyun Lim Sung Ha Ryu kyung Hun Kim kyung soo Lee Woo Heon Song Jun Sang Park GL PharmTech Corporation

Pregabalin,(S)-3-amino methyl hexanoic acid,is a structural analogue ofγ-amino butyric acid(GABA)which has been widely used to treat partial seizures and neuropathic pain[1].It is soluble in aqueous solution and sparingly soluble in organic solvents such as ethanol,DMSO and *** oxide(PEO)has a strong negative effect on analysis of hydrophilic active ingredient and its relative substances due to extremely high viscosity of PEO in aqueous *** aim of this study is to develop a fast and precise method for the determination of pregabalin and its relative substances in extended release tablets including PEO using sodium sulfate for the treatment of sample solution.

关键词： Pregabalin Polyethylene oxide Related compound HPLC

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Effects of Annealing and Removal of the Water-Soluble Fraction of Dry-Milled Rice Flour on the Texture of Cooked Rice Noodles

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Food and Nutrition Sciences 2017年第10期8卷 889-900页

作者： soo Young Choi Bong kyung Koh Department of Food and Nutrition Keimyung University Dalsuh Gu Dae Gu Korea

Rice noodles were prepared using dry-milled rice flours, which were treated by annealing and removing the water-soluble fraction to improve the quality of noodles without using chemical additives. The combined treatment (TC) with annealing and water-soluble fraction removal decreased the cooking losses for Goamibyeo but not for Chenmaai and Milyang260, which had soft kernels and contained less damaged starch than the hard kernel rice after milling. TC significantly reduced the hardness and adhesiveness of cooked noodles, and increased the cohesiveness according to the texture profile analysis. A sensory evaluation detected an increase in mouth feel firmness and elasticity of cooked TC noodles. These results indicate that annealing at room temperature for 3 h followed by the removal of the water-soluble fraction is effective for reducing the cooking losses and improving the textural properties of noodles made from rice flour with high starch damage.

关键词： Annealing Cooking Lose Rice Noodle Texture Water Soluble Fraction

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The associations between socioeconomic status and obesity in Korean children from 1998 to 2009

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Health 2013年第11期5卷 1899-1904页

作者： So-Young Nam soo-kyung Lee Department of Food and Nutrition Inha University Incheon Korea

Increasing interests have been shown in associations between socioeconomic status (SES) and obesity in relation to health inequality. The research objectives were 1) to examine associations between SES and child obesity (including overweight) in Korea over 10 years and 2) to explore possible underlying mechanisms of relationships between SES and obesity. This study used the nationally representative data (KNHA-NES) from 1998, 2005, to 2009. Children (10-18 year-old) were grouped by household income (low, middle-low, middle-high and high) adjusted for the number of family members. Z-scores of height, weight, and BMI for each child were calculated from measured anthropometric data using the 2007 Korean national growth charts. No statistically significant associations were found, however, changes in association patterns were noted. The lower SES group showed shorter height as well as lighter weight among Korean children. More research should be conducted to understand the effects of socioeconomic status on child obesity.

关键词： Socioeconomic Status Obesity Korea Children

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Change in renal function after sodium phosphate preparation for screening colonoscopy

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World Journal of Gastroenterology 2010年第16期16卷 2010-2016页

作者： Dong Choon Seol Sung Noh hong Jeong Hwan Kim In kyung Sung Hyung Seok Park Jung Hyun Lee Chan Sup Shim Department of Internal Medicine Konkuk University School of Medicine Department of Health Promotion Healthcare CenterKonkuk University Medical Center Healthcare Center Konkuk University Medical CenterDepartment of Internal MedicineKonkuk University School of MedicineMedical Immunology CenterInstitute of Biomedical Science and Technology Department of Internal Medicine Konkuk University School of MedicineMedical Immunology CenterInstitute of Biomedical Science and Technology

AIM:To investigate the changes in renal function at 12-24 mo in patients following sodium phosphate(NaP) preparation for screening ***:We carried out a retrospective study on the results from patients who received health check-up services as part of an employer-provided wellness program performed between August 2006 and May 2008 and who were followed up for 12-24 *** to screening colonoscopy,224 patients underwent bowel cleansing with NaP(NaP group) and 113 patients with polyethylene glycol(PEG group).The control group comprised 672 age-matched *** compared the changes in the creatinine levels and the glomerular filtration rates(GFRs) from baseline to 12-24 mo between the NaP,PEG,and control groups using two-way repeated measured analysis of *** addition,multivariate linear regression analysis was performed to assess the risk factors for a decreased ***:The baseline mean serum creatinine level in the NaP,PEG,and control groups was 1.12 ± 0.15,1.12 ± 0.16,and 1.12 ± 0.15 mg/dL,which increased to 1.15 ± 0.15,1.15 ± 0.18,and 1.15 ± 0.15 mg/dL,respectively,after 12-24 *** baseline mean GFR in the NaP,PEG,and control groups was 69.0 ± 7.7,68.9 ± 8.0,and 69.6 ± 6.7 mL/min per 1.73 m2,which decreased to 66.5 ± 7.8,66.5 ± 8.3,and 67.4 ± 6.4 mL/min per 1.73 m2,respectively,after 12-24 *** changes in serum creatinine levels and GFRs were not significantly between the NaP,PEG,and control groups(P = 0.992 and P = 0.233,respectively).Using multivariate linear regression analysis,only the baseline GFR was associated with the change in GFR(P < 0.001).Indeed,the bowel preparations were not associated with the change in GFR(P = 0.297).CONCLUSION:NaP bowel preparation in subjects with normal renal function was not associated with renal injury,and NaP can thus be used safely for screening colonoscopy.

关键词： Sodium phosphate Polyethylene glycol Purgatives Colonoscopy Creatinine Glomerular filtration rate

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Synthesis and Gas Sensing of TiO_2 Ultrafine Powders by Precipitating

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稀有金属材料与工程 2006年第A3期35卷 163-164页

作者： Min-Hyun Seo Bong-Ho Lee Jong-Won Kim Gi-hong Rue Duk-Dong Lee Jeung-soo Huh Department of Sensor and Display Engineering Kyungpook National UniversitySangyuk-DongBukguDaegu 1370Korea Department of Materials Science and Metallurgy Kyungpook National UniversitySangyuk-DongBukguDaegu 1370Korea Department of Nano-science and Technology Kyungpook National UniversitySangyuk-DongBukguDaegu 1370Korea School of Electronic Engineering Kyungpook National UniversitySangyuk-DongBukguDaegu 1370Korea Department of Sensor and Display Engineering Kyungpook National UniversitySangyuk-DongBukguDaegu 1370Korea.Department of Nano-science and TechnologyKyungpook National UniversitySangyuk-DongBukguDaegu 1370Korea

We investigated the gas sensing characteristics of rutile and anatase TiO_2 nano-particle sensors for chemical warfare ***_2 nano-powders with rutile and anatase structure were fabricated by controlling pH value without heat treatment *** mean particle size of TiO_2 powders were below 10 ***-prepared TiO_2 powders have several advantages of nano particle size and high surface area and could be a prominent candidate for ***_2 sensors were examined with DMMP for chemical warfare agents detection.

关键词： TiO2 chemical warfare agents sensor nano-sensor pH

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Changes in peak inspiratory flow rate and peak airway pressure with endotracheal tube size during chest compression

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World Journal of Emergency Medicine 2020年第2期11卷 97-101页

作者： Jung Wan Kim Jin Woong Lee Seung Ryu Jung soo Park Insool Yoo Yong Chul Cho hong Joon Ahn Department of Emergency Medicine Chungnam National University HospitalJung-guDaejeonRepublic of Korea Department of Emergency Medicine College of MedicineChungnam National UniversityJung-guDaejeonRepublic of Korea

BACKGROUND:Adequate airway management plays an important role in high-quality cardiopulmonary resuscitation(CPR).Airway management is usually performed using an endotracheal tube(ETT)during ***,no study has assessed the effect of ETT size on the fl ow rate and airway pressure during ***:We measured changes in peak inspiratory fl ow rate(PIFR),peak airway pressure(Ppeak),and mean airway pressure(Pmean)according to changes in ETT size(internal diameter 6.0,7.0,and 8.0 mm)and with or without CPR.A tidal volume of 500 mL was supplied at a rate of 10 times per minute using a mechanical *** compressions were maintained at a constant compression depth and speed using a mechanical chest compression device(LUCAS2,mode:active continuous,chest compression rate:102±2/minute,chest compression depth 2–2.5 inches).RESULTS:The median of several respiratory physiological parameters during CPR was significantly different according to the diameter of each ETT(6.0 vs.8.0 mm):PIFR(32.1 L/min[30.5–35.3]vs.28.9 L/min[27.5–30.8],P<0.001),Ppeak(48.84 cmH2O[27.46–52.11]vs.27.45 cmH2O[22.53–52.57],P<0.001),and Pmean(18.34 cmH2O[14.61–21.66]vs.13.66 cmH2O[8.41–19.24],P<0.001).CONCLUSION:The changes in PIFR,Ppeak,and Pmean were related to the internal diameter of ETT,and these values tended to decrease with an increase in ETT *** airway pressures were measured in the CPR group than in the no CPR group.

关键词： Cardiopulmonary resuscitation Intratracheal intubation Airway pressure

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H_2S Sensing Characteristics of Thin Film SnO_2 Sensor with N_2 Treatment

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稀有金属材料与工程 2006年第A3期35卷 385-388页

作者： Jong-Won Kim Kwang-Hyun Yun Geon-Young Cha Gi-hong Rue Duk-Dong Lee Jeung-soo Huh Department of Nano-Science and Technology Sangyuk-Dong 1370Bukgu DaeguKorea Department of Materials Science and Metallurgy Sangyuk-Dong 1370Bukgu DaeguKorea School of Electronic Engineering Kyungpook National UniversitySangyuk-Dong 1370Bukgu DaeguKorea Department of Nano-Science and Technology Department of Materials Science and MetallurgySangyuk-Dong 1370Bukgu DaeguKorea

SnO_2 thin film sensors were fabricated by a thermal evaporation *** sensors were heated for thermal *** high porosity,SnO_2 thin film sensors were treated in a N_2 *** sensors that were treated with O_2 after being treated with N_2 showed 70 % sensitivity for 1×10~ -6) of H_2S,which is higher than the sensors that were only treated with O_*** Ni metal,as a catalyst,was evaporated on the thin film Sn on the Al_2O_3 *** sensor was heated to grow the Sn nanowire in a tube furnace with N_2 *** nanowire was heated for *** sensitivity of SnO_2 nanowire sensor was measured for 500×10~ -9) of H_*** selectivity of the SnO_2 nanowire sensor was compared with the thin film and the thick film SnO_*** sensor was measured for H_2S,CO,and NH_3 in this study.

关键词： SnO2 gas sensor N2 nanowire H2S

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Expression of apoptosis-related factors in chronic cyclosporine nephrotoxicity after cyclosporine withdrawal

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Acta Pharmacologica Sinica 2004年第4期25卷 3-13页

作者： Sun-woo LIM,Bo-kyung SUN,Bum-soon CHOI,Sylvia GLOWACKA,Alison J COX,Darren J KELLY,Yong-soo KIM,Jin KIM,Byung-kee BANG,Chul-woo YANG Departments of Internal Medicine the Catholic University of Korea Seoul137-040 Korea Departments of Internal Medicine the Catholic University of Korea Seoul137-040 Korea Departments of Internal Medicine the Catholic University of Korea Seoul137-040 Korea Department of Medicine St Vincent’s Hospital Fitzroy University of Melbourne Australia Department of Medicine St Vincent’s Hospital Fitzroy University of Melbourne Australia Department of Medicine St Vincent’s Hospital Fitzroy University of Melbourne Australia Departments of Internal Medicine the Catholic University of Korea Seoul137-040 Korea Departments of Anatomy the Catholic University of Korea Seoul137-040 Korea Departments of Internal Medicine the Catholic University of Korea Seoul137-040 Korea Departments of Internal Medicine the Catholic University of Korea Seoul137-040 Korea MD PhD

AIM: To examine whether the reversibility of chronic cyclosporine A (CsA) nephrotoxicity is associated with apoptotic cell death and its regulatory factors. METHODS: Chronic CsA nephrotoxicity was induced in Sprague- Dawley rats by administering CsA (15 mg/kg, sc) for 5 weeks, and then withdrawing it for 5 or 10 weeks. The effect of CsA withdrawal on apoptotic cell death was evaluated by an in situ TdT-mediated deoxyuridine triphos- phate-biotin nick end-labeling (TUNEL) assay and the expression of pro-apoptotic [(transforming growth factor- beta1 (TGF-β1) and Fas] and anti-apoptotic [epidermal growth factors (EGF) and Bcl-2] factors. RESULTS: Discontinuation of CsA induced significant decreases in TUNEL-positive cells in a time-dependent manner and the reduction in TUNEL-positive cells was correlated with the tubulointerstitial fibrosis score (r=0.919, P<0.01). Upregulation of TGF-β1 and Fas expression in CsA-treated rat kidneys was decreased significantly after with- drawal of CsA. In contrast, downregulated EGF and Bcl-2 expression returned to normal or supernormal levels. CONCLUSION: CsA withdrawal is associated with a decrease in apoptotic cell death and with changes in the expression of pro-apoptotic and anti-apoptotic molecules involved in renal wound repair. This may constitute one of the mechanisms underlying the reversibility of chronic CsA nephrotoxicity.

关键词： cyclosporine apoptosis bcl-2 fas epidermal growth factor transforming growth factor-beta fibrosis

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Acute myeloid leukemia with t(11;19)(q23;p13.1) in a patient with a gastrointestinal stromal tumor undergoing imatinib therapy:A case report

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World Journal of Clinical Cases 2020年第7期8卷 1251-1256页

作者： hong Jun Kim Sun kyung Baek Chi Hoon Maeng Si-Young Kim Tae Sung Park Jae Joon Han Department of Hematology and Medical Oncology Kyung Hee UniversitySeoul 02447South Korea Department of Laboratory Medicine Kyung Hee UniversitySeoul 02447South Korea

BACKGROUND Acute myeloid leukemia(AML)harboring 11q23 translocations is classified as therapy-related AML in patients who have undergone prior treatment with cytotoxic *** have been only a few reports of AML that subsequently developed during imatinib mesylate(IM)treatment for gastrointestinal stromal tumors(GISTs).CASE SUMMARY A 63-year-old woman was diagnosed with a hepatic GIST recurrence in April 2012;she was administered IM 400 mg/*** November 2015,she developed dyspnea with pancytopenia while IM treatment was continued for 42 mo.A chromosome study using a bone marrow sample showed a 46,XX karyotype with t(11;19)(q23;p13.1)in 22 of 26 analyzed metaphase *** in situ hybridization using the locus-specific indicator(11q23)gene break-apart probe showed positive rearrangement in 82%of interphase ***-transcription polymerase chain reactions subsequently confirmed the KMT2A/ELL *** achieved complete response with incomplete neutrophil recovery with two decitabine treatment *** the third cycle of decitabine,the disease relapsed,and she refused further *** died of hemorrhagic stroke 5 mo after *** the best of our knowledge,this is the first report of AML with KMT2A gene rearrangements in a patient with a GIST receiving IM *** Physicians should consider the potential risks of developing hematologic malignancies,including therapy-related AML,in patients with GISTs receiving IM treatment.

关键词： Acute myeloid leukemia Gastrointestinal stromal tumor Imatinib KMT2A Myelodysplastic syndrome Case report

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