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Hye Seon Kang, Chin Kook Rhee, Hea Yon Lee, Hyoung Kyu Yoon, Soon Seok Kwon, Sook Young Lee
Background/Aims: Inhaled corticosteroids are the most effective treatment currently available for asthma, but their beneficial effect against airway remodeling is limited. The tyrosine kinase inhibitor nilotinib has inhibitory activity against c-kit and the platelet-derived growth factor receptor. We compared the effects of fluticasone and nilotinib on airway remodeling in a chronic asthma model. We also examined whether co-treatment with nilotinib and fluticasone had any synergistic effect in preventing airway remodeling...
October 20, 2016: Korean Journal of Internal Medicine
Satya P Sharma, Hea J Chung, Hyeon J Kim, Seong T Hong
Obesity is exponentially increasing regardless of its preventable characteristics. The current measures for preventing obesity have failed to address the severity and prevalence of obesity, so alternative approaches based on nutritional and diet changes are attracting attention for the treatment of obesity. Fruit contains large amounts of simple sugars (glucose, fructose, sucrose, etc.), which are well known to induce obesity. Thus, considering the amount of simple sugars found in fruit, it is reasonable to expect that their consumption should contribute to obesity rather than weight reduction...
October 14, 2016: Nutrients
Me-Hea Park
The high metabolic rate of harvested asparagus spears (Asparagus officinalis L.) causes rapid deterioration. To extend shelf life, we investigated the effect of sucrose treatment on asparagus during storage. Asparagus spears were treated with 3%, 5%, and 10% sucrose and stored at 2 °C for 20 h. Cellular respiration decreased, but other processes were unaltered by exogenous sucrose. The overall appearance of asparagus treated with 3% sucrose and stored at 2 °C for 18 days was rated as good and excellent, unlike that of untreated spears...
October 14, 2016: Biochemical and Biophysical Research Communications
Carlos Gueto-Tettay, Joshua Zuchniarz, Yeyson Fortich-Seca, Luis Roberto Gueto-Tettay, Juan Carlos Drosos-Ramirez
BACE1 is an aspartyl protease which is a therapeutic target for Alzheimer's disease (AD) because of its participation in the rate-limiting step in the production of Aβ-peptide, the accumulation of which produces senile plaques and, in turn, the neurodegenerative effects associated with AD. The active site of this protease is composed in part by two aspartic residues (Asp93 and Asp289). Additionally, the catalytic site has been found to be covered by an antiparallel hairpin loop called the flap. The dynamics of this flap are fundamental to the catalytic function of the enzyme...
October 7, 2016: Journal of Molecular Graphics & Modelling
Yong Hyun Jang, Sang Lim Kim, Kyou Chae Lee, Min Ji Kim, Kyung Hea Park, Weon Ju Lee, Seok-Jong Lee, Do Won Kim
BACKGROUND: Various systemic agents have been assessed for the treatment of alopecia areata (AA); however, there is a paucity of comparative studies. OBJECTIVE: To assess and compare cyclosporine and betamethasone minipulse therapy as treatments for AA with regard to effectiveness and safety. METHODS: Data were collected from 88 patients who received at least 3 months of oral cyclosporine (n=51) or betamethasone minipulse therapy (n=37) for AA...
October 2016: Annals of Dermatology
Tomoki Sato, Yuma Yoshida, Akihito Morita, Nobuko Mori, Shinji Miura
BACKGROUND: Glucose is used as an energy source in many organs and obtained from dietary carbohydrates. However, when the external energy supply is interrupted, e.g., during fasting, carbohydrates preserved in the liver and glycogenic precursors derived from other organs are used to maintain blood glucose levels. Glycerol and glycogenic amino acids derived from adipocytes and skeletal muscles are utilized as glycogenic precursors. Glycerol-3-phosphate dehydrogenase 1 (GPD1), an NAD(+)/NADH-dependent enzyme present in the cytosol, catalyzes the reversible conversion of glycerol-3-phosphate (G3P) to dihydroxyacetone phosphate (DHAP)...
November 2016: Metabolism: Clinical and Experimental
Hyeonyong Chung, Won Jung Ju, Eun Hea Jho, Kyoungphile Nam
Two-chamber microbial fuel cells (MFCs) were used to study the applicability of MFCs for hexavalent chromium (Cr(VI)) detection in water. The microbial acetate oxidation in the anode and the Cr(VI) reduction in the cathode together generated voltages, which were used to indicate the change in Cr(VI) concentrations of the cathode under varying conditions of pH, ionic strength, co-existing Fe(II) concentration, and organic matter concentration. The MFC-based Cr(VI) detector showed a significant change in voltage with increasing Cr(VI) concentration at pH 1 and 2, but not at higher pH conditions...
November 2016: Environmental Monitoring and Assessment
Anna K Knight, Jeffrey M Craig, Christiane Theda, Marie Bækvad-Hansen, Jonas Bybjerg-Grauholm, Christine S Hansen, Mads V Hollegaard, David M Hougaard, Preben B Mortensen, Shantel M Weinsheimer, Thomas M Werge, Patricia A Brennan, Joseph F Cubells, D Jeffrey Newport, Zachary N Stowe, Jeanie L Y Cheong, Philippa Dalach, Lex W Doyle, Yuk J Loke, Andrea A Baccarelli, Allan C Just, Robert O Wright, Mara M Téllez-Rojo, Katherine Svensson, Letizia Trevisi, Elizabeth M Kennedy, Elisabeth B Binder, Stella Iurato, Darina Czamara, Katri Räikkönen, Jari M T Lahti, Anu-Katriina Pesonen, Eero Kajantie, Pia M Villa, Hannele Laivuori, Esa Hämäläinen, Hea Jin Park, Lynn B Bailey, Sasha E Parets, Varun Kilaru, Ramkumar Menon, Steve Horvath, Nicole R Bush, Kaja Z LeWinn, Frances A Tylavsky, Karen N Conneely, Alicia K Smith
BACKGROUND: Gestational age is often used as a proxy for developmental maturity by clinicians and researchers alike. DNA methylation has previously been shown to be associated with age and has been used to accurately estimate chronological age in children and adults. In the current study, we examine whether DNA methylation in cord blood can be used to estimate gestational age at birth. RESULTS: We find that gestational age can be accurately estimated from DNA methylation of neonatal cord blood and blood spot samples...
October 7, 2016: Genome Biology
Michele Maiers, Maria A Hondras, Stacie A Salsbury, Gert Bronfort, Roni Evans
BACKGROUND: Patient perceptions may influence the effectiveness and utilization of healthcare interventions, particularly for complex health conditions such as sciatica or back-related leg pain (BRLP). OBJECTIVES: To explore BRLP patients' perceptions of spinal manipulative therapy (SMT) and home exercise with advice (HEA). DESIGN: Qualitative study in a controlled clinical trial. METHOD: Semi-structured interviews conducted after 12 weeks of treatment asked participants about satisfaction with care and whether treatment was worthwhile...
September 23, 2016: Manual Therapy
Kyung Won Kang, Gyu Youg Jung, Dong Lark Lee, Hea Kyeong Shin
No abstract text is available yet for this article.
September 2016: Archives of Plastic Surgery
Feng He, Zhijun Wang, Yiyan Li, Qingfeng Wu, Junjie Li, Jincheng Wang, C T Liu
The comprehensive performance of high entropy alloys (HEAs) depends on the phase selection significantly. However, up to now, investigations of the phase selection in HEAs mainly focused on the thermodynamic equilibrium phase, while kinetic ways of tailoring the phases in HEAs are seldom considered. In HEAs, the kinetics of sluggish diffusion and the numerous possible phases make the kinetics of phase transformation more complex and intriguing. Here, the kinetic effect in CoCrFeNiTi0.4 HEAs was investigated to reveal the possibility of controlling phase selection via kinetic ways for HEAs...
September 30, 2016: Scientific Reports
Thomas N Hooper, Ross Inglis, Giulia Lorusso, Jakub Ujma, Perdita E Barran, Dusan Uhrin, Jürgen Schnack, Stergios Piligkos, Marco Evangelisti, Euan K Brechin
The family of compounds of general formula [Ln(III)4TM(II)8(OH)8(L)8(O2CR)8(MeOH)y](ClO4)4 {[Gd4Zn8(OH)8(hmp)8(O2C(i)Pr)8](ClO4)4 (1a); [Y4Zn8(OH)8(hmp)8(O2C(i)Pr)8](ClO4)4 (1b); [Gd4Cu8(OH)8(hmp)8(O2C(i)Pr)8](ClO4)4 (2a); [Y4Cu8(OH)8(hmp)8(O2C(i)Pr)8](ClO4)4 (2b); [Gd4Cu8(OH)8(hep)8(O2C(i)Pr)8](ClO4)4 (3a); [Gd4Cu8(OH)8(Hpdm)8(O2C(t)Bu)8](ClO4)4 (4a); [Gd4Cu8(OH)8(ea)8(O2CMe)8](ClO4)4 (5a); [Gd4Ni8(OH)8(hmp)8(O2CEt)8(MeOH)6](ClO4)4 (6a); [Y4Ni8(OH)8(hmp)8(O2CEt)8(MeOH)6](ClO4)4 (6b); [Gd4Co8(OH)8(hmp)8(O2CEt)8(MeOH)6](ClO4)4 (7a); [Y4Co8(OH)8(hmp)8(O2CEt)8(MeOH)6](ClO4)4 (7b)} can be formed very simply and in high yields from the reaction of Ln(NO3)3·6H2O and TM(ClO4)2·6H2O and the appropriate ligand blend in a mixture of CH2Cl2 and MeOH in the presence of a suitable base...
October 17, 2016: Inorganic Chemistry
Z Y Lv, X J Liu, B Jia, H Wang, Y Wu, Z P Lu
In addition to its scientific importance, the degradation of azo dyes is of practical significance from the perspective of environmental protection. Although encouraging progress has been made on developing degradation approaches and materials, it is still challenging to fully resolve this long-standing problem. Herein, we report that high entropy alloys, which have been emerging as a new class of metallic materials in the last decade, have excellent performance in degradation of azo dyes. In particular, the newly developed AlCoCrTiZn high-entropy alloy synthesized by mechanical alloying exhibits a prominent efficiency in degradation of the azo dye (Direct Blue 6: DB6), as high as that of the best metallic glass reported so far...
September 28, 2016: Scientific Reports
Ming Fang, Yiqiu Chai, Guanjv Chen, Huidong Wang, Bo Huang
The diamondback moth, Plutella xylostella, is one of the most important pests of cruciferous crops. We have earlier shown that N6-(2-hydroxyethyl)-adenosine (HEA) exhibits insecticidal activity against P. xylostella. In the present study we investigated the possible mechanism of insecticidal action of HEA on P. xylostella. HEA is a derivative of adenosine, therefore, we speculated whether it acts via P. xylostella adenosine receptor (PxAdoR). We used RNAi approach to silence PxAdoR gene and used antagonist of denosine receptor (AdoR) to study the insecticidal effect of HEA...
2016: PloS One
Hwan Tae Lee, Pil-Whan Park, Yiel-Hea Seo, Kyung-Hee Kim, Ja Young Seo, Ji-Hun Jeong, Moon Jin Kim, Jeong-Yeal Ahn
INTRODUCTION: The Mindray CAL 8000 is a cellular analysis line that consists of the BC-6800, an automated hematology analyzer, and the SC-120, an automated slidemaker/stainer. We evaluated the performances of the BC-6800 and the SC-120. METHODS: Four hundred and eight normal and abnormal samples were analyzed. The performance of the BC-6800 and Sysmex XE-2100 were compared, and blood films by the SC-120 and manual method were compared according to the CLSI guideline H26-A2 and H20-A2...
September 23, 2016: Journal of Clinical Laboratory Analysis
Seohyun Park, Hea Won Ann, Jin Young Ahn, Nam Su Ku, Sang Hoon Han, Geu Ru Hong, Jun Young Choi, Young Goo Song, June Myung Kim
Abiotrophia defectiva, a nutritionally variant streptococci can cause bacteremia, brain abscess, septic arthritis and in rare cases, infective endocarditis, which accounts for 5-6% of all cases. A. defectiva is characteristically difficult to diagnose and the mortality, morbidity and complication rates are high. Here, we discuss a case of infective endocarditis caused by A. defectiva. A 62-year-old female had previously undergone prosthetic valve replacement 6 years prior to admission. She developed infective endocarditis after tooth extraction...
September 2016: Infection & Chemotherapy
Ji Yeon Kim, Eun Kyung Kang, Song Mi Moon, Yiel Hea Seo, Juhyeon Jeong, Hyuni Cho, Dongki Yang, Yoon Soo Park
Actinomyces meyeri is a Gram positive, strict anaerobic bacterium, which was first described by Meyer in 1911. Primary actinomycotic osteomyelitis is rare and primarily affects the cervicofacial region, including mandible. We present an unusual case of osteomyelitis of a long bone combined with myoabscess due to A. meyeri. A 70-year-old man was admitted for pain and pus discharge of the right elbow. Twenty-five days before admission, he had hit his elbow against a table. MRI of the elbow showed a partial tear of the distal triceps tendon and myositis...
September 2016: Infection & Chemotherapy
Sung-Rae Cho, Hwal Suh, Ji Hea Yu, Hyongbum Henry Kim, Jung Hwa Seo, Cheong Hoon Seo
Transplantation of mesenchymal stem cells (MSCs) has paracrine effects; however, the effects are known to be largely limited. Here we investigated the combination effects of cell transplantation and enriched environment (EE) in a model of hypoxic-ischemic brain injury. Brain damage was induced in seven-day-old mice by unilateral carotid artery ligation and exposure to hypoxia (8% O₂ for 90 min). At six weeks of age, the mice were randomly assigned to four groups: phosphate-buffered saline (PBS)-control (CON), PBS-EE, MSC-CON, and MSC-EE...
2016: International Journal of Molecular Sciences
Sook-Jin Kim, Seo-Hee Heo, Dong-Seok Lee, In Gyun Hwang, Yong-Bok Lee, Hea-Young Cho
The aim of this study was to confirm and investigate the gender differences in pharmacokinetic (PK) characteristics and tissue distribution of 3 perfluoroalkyl and polyfluoroalkyl substances (PFASs) consisted of perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), and perfluorohexane sulfonic acid (PFHxS) in both male and female rats. For this study, a simultaneous determination method of the 3 PFASs in rat plasma and tissues was developed and validated using a UPLC-MS/MS system. The PK parameters after a single oral or intravenous administration of the 3 PFASs in both rats were calculated using WinNonlin(®) software...
September 13, 2016: Food and Chemical Toxicology
Ui-Jae Hwang, Oh-Yun Kwon, In-Cheol Jeon, Jong-Hyuck Weon
CONTEXT: The push-up plus (PP) has been recommended for strengthening of the serratus anterior (SA). Previous studies have investigated the effect of different stability properties of the base of support to adjust the difficulty level of SA muscle-strengthening exercises in the PP position. However, it has not been investigated to find the optimal humeral elevation angle (HEA) for selective activation and maximum contraction of the SA during PP. OBJECTIVES: The purpose of this study was to assess the effects of HEA during PP on EMG activity in the SA, upper trapezius (UT) and pectoralis major (PM), and on the UT/SA and PM/SA activity ratios...
August 24, 2016: Journal of Sport Rehabilitation
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