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Ki Mo Kim, Deok Rim Heo, Young-A Kim, Jun Lee, No Soo Kim, Ok-Sun Bang
Coniferaldehyde (CA) exerts anti-inflammatory properties by inducing heme oxygenase-1 (HO-1). To define the regulation mechanism by which CA induces a cytoprotective function and HO-1 expression, the up-stream regulations involved in the activation of nuclear transcription factor-erythroid 2-related factor (Nrf)-2/HO-1 pathway were investigated. CA dramatically increased the Nrf-2 nuclear translocation and HO-1 expression. Lipopolysaccharide (LPS)-induced expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2, and cell death were down-regulated by CA, which were reversed by inhibition of HO-1 activity...
October 17, 2016: Environmental Toxicology and Pharmacology
M Elnaghy, S E Elsaka
AIM: To compare the cyclic fatigue resistance of WaveOne Gold (Dentsply Tulsa Dental Specialties, Tulsa, OK, USA) and Reciproc (VDW, Munich, Germany) reciprocating instruments during immersion in sodium hypochlorite (NaOCl) and saline solutions at body temperature. METHODOLOGY: A total of 180 new WaveOne Gold primary size 25, .07 taper, and Reciproc size 25, .08 taper were randomly divided into three groups: Group 1: no immersion (control, air); Group 2: immersion in saline at 37°C ± 1°C; and Group 3: immersion in 5% NaOCl at 37°C ± 1°C...
October 21, 2016: International Endodontic Journal
Gerald J Pepe, Adina Maniu, Graham Aberdeen, Terrie J Lynch, Soon Ok Kim, Jerry Nadler, Eugene D Albrecht
We recently demonstrated that offspring delivered to baboons deprived of estrogen during the second half of gestation exhibited insulin resistance prior to onset of puberty. Because gonadal hormones have a profound effect on insulin action and secretion in adults, we determined whether insulin resistance is retained after initiation of gonadal secretion of testosterone and estradiol. Glucose tolerance tests were performed in postpubertal baboon offspring of untreated and letrozole-treated animals (serum estradiol reduced >95 %)...
October 21, 2016: Endocrine
Jacinto Santodomingo-Rubido, César Villa-Collar, Bernard Gilmartin, Ramón Gutiérrez-Ortega, Keiji Sugimoto
PURPOSE: The primary outcome of this study is to compare the axial length growth of white European myopic children wearing orthokeratology contact lenses (OK) to a control group (CT) over a 7-year period. METHODS: Subjects 6-12 years of age with myopia -0.75 to -4.00DS and astigmatism ≤1.00DC were prospectively allocated OK or distance single-vision spectacles (SV) correction. Measurements of axial length (Zeiss IOLMaster), corneal topography, and cycloplegic refraction were taken at 6-month intervals over a 2-year period...
October 21, 2016: Current Eye Research
Jong Ho Park, Jung Jin Park, O Ok Park, Jung Hoon Yang
Capacity decay in vanadium redox flow batteries during charge-discharge cycling has become an important issue because it lowers the practical energy density of the battery. The battery capacity tends to drop rapidly within the first tens of cycles and then drops more gradually over subsequent cycles during long-term operation. This paper analyzes and discusses the reasons for this early capacity decay. The imbalanced crossover rate of vanadium species was found to remain high until the total difference in vanadium concentration between the positive and negative electrolytes reached almost 1 mol dm(-3) ...
October 21, 2016: ChemSusChem
Li Yang, Fuquan Zhang, Xin Wang, Ying Tsai, Kuang-Hsiang Chuang, Peter C Keng, Soo Ok Lee, Yuhchyau Chen
Cisplatin-resistant A549CisR and H157CisR cell lines were developed by treating parental A549 (A549P) and H157 (H157P) cells. These cisplatin-resistant cells showed slight growth retardation, but exhibited higher epithelial-mesenchymal transition (EMT) and increased metastatic potential compared to parental cells. We observed a highly up-regulated fatty acid synthase (FASN) level in A549CisR and H157CisR cells compared to parental cells and the up-regulation of FASN was also detected in A549P and H157P cells after short time treatment with cisplatin, suggesting that the high level of FASN in cisplatin-resistant cells may be from the accumulated cellular responses during cisplatin-resistance developmental process...
July 25, 2016: Oncotarget
Chang-Man An, Shin-Ok Jo
BACKGROUND AND OBJECTIVE: In general, adequate movement of the ankle joint is known to play an important role in functional activities. Stroke survivors frequently have limited range of motion of the ankle, leading to dysfunctional weight transfer toward the paretic lower limb during standing or gait. The purpose of this study was to investigate the effects of talocrural mobilization with movement (MWM) on ankle strength, dorsiflexion passive range of motion (DF-PROM), and weight-bearing ability on the paretic limb during standing or gait in stroke patients with limited ankle dorsiflexion...
October 17, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Jacinto Santodomingo-Rubido, César Villa-Collar, Bernard Gilmartin, Ramón Gutiérrez-Ortega
PURPOSE: To assess the relationship between short-term and long-term changes in power at different corneal locations relative to the change in central corneal power and the 2-year change in axial elongation relative to baseline in children fitted with orthokeratology contact lenses (OK). METHODS: Thirty-one white European subjects 6 to 12 years of age and with myopia -0.75 to -4.00 DS and astigmatism ≤1.00 DC were fitted with OK. Differences in refractive power 3 and 24 months post-OK in comparison with baseline and relative to the change in central corneal power were determined from corneal topography data in eight different corneal regions (i...
October 19, 2016: Eye & Contact Lens
Jin Ok Baek, Hoon Hur, Ha Ryeong Ryu, Jeong Soo Kim, Kyung Real Lee, Yu Ri Kim, Kwang Ho Choi
Various lasers have been used for the treatment of erythematotelangiectatic rosacea (ETR) that does not respond to systemic or topical therapy. The pulsed dye lasers (PDLs) are an effective option for ETR, and the purpuragenic fluence proved to be superior until now. Given that purpura and subsequent possible postinflammatory hyperpigmentation (PIH) are occasionally unbearable in some patients, and several studies using the low nonpurpuragenic fluence were reported. To deliver the sufficient high fluence of a PDL without generating purpura, we designed the fractionation of high fluence using five passes and longer pulse duration (6 milliseconds) of a PDL in succession...
October 20, 2016: Journal of Cosmetic Dermatology
Lee Hae Rim, Koo Bon-Sang, Jeon Eun-Ok, Han Moo-Sung, Min Kyung-Cheol, Lee Seung Baek, Bae Yeonji, Mo In-Pil
<p>Leucocytozoonosis was found in three layer farms in chickens with suspected fatty liver or fatty liver hemorrhagic syndrome in Korea between 2009 and 2011. These layer chicken flocks showed both mortality and decreased egg production for one or two weeks when they were between 59 and 82 weeks old. At the necropsy, the most prominent gross lesions were found in the liver, which was enlarged, had a fragile texture, exhibited yellowish discolorations, and had various hemorrhagic lesions. Tissue reactions associated with megaloschizonts specific for Leucocytozoon caulleryi were prominent upon microscopic examination of the liver without significant lipidosis...
October 17, 2016: Journal of Biomedical Research
Minwon Lee, Hoohee Nam, Sun-Gyu Lee, Ok Park, Youngmee Jee, Kidong Park
No abstract text is available yet for this article.
January 2016: Western Pacific Surveillance and Response Journal: WPSAR
Ha Young Park, Hyung Joo Oh, Ki-Hyun Kim, Tae-Ok Kim, Cheol-Kyu Park, Hong-Jun Shin, Jung-Hwan Lim, Yong-Soo Kwon, In-Jae Oh, Yu-Il Kim, Sung-Chul Lim, Young-Chul Kim, Yoo-Duk Choi
BACKGROUND: Epidermal growth factor receptor (EGFR) gene mutation is a reliable predictive factor for response to EGFR-tyrosine kinase inhibitors (TKIs). The quantified EGFR value may also predict response and survival within an EGFR mutated group. METHODS: We conducted a retrospective study of 836 lung cancer patients. The patient sample was divided into two groups based on the mean delta cycle threshold (∆Ct) value. EGFR mutation tests using peptide nucleic acid (PNA)-mediated clamping polymerase chain reaction (PCR) were performed...
September 1, 2016: Thoracic Cancer
Choung Ah Lee, Joon Pil Cho, Sang Cheon Choi, Hyuk Hoon Kim, Ju Ok Park
OBJECTIVE: Discharge against medical advice (DAMA) from the emergency department (ED) accounts for 0.1% to 2.7% of all ED discharges. DAMA carries a risk of increased mortality and readmissions. Our aim was to investigate the general characteristics of DAMA patients and the differences between them and non-DAMA patients. METHODS: We reviewed data collected by the National Emergency Medical Center between 2010 and 2011. Subjects were categorized into 2 groups, namely, the DAMA group and the non-DAMA group...
June 2016: Clin Exp Emerg Med
Min-Jun Park, Ji-Hye Song, Myung-Soo Shon, Hae Ok Kim, O Jun Kwon, Seong-Soo Roh, Choon Young Kim, Gyo-Nam Kim
Obesity is a major risk factor for various metabolic diseases such as cardiovascular disease, hypertension, and type 2 diabetes mellitus. In this study, we prepared ethanol extracts from Agastache rugosa (ARE), Chrysanthemum zawadskii (CZE), Mentha arvensis (MAE), Perilla frutescens (PFE), Leonurus sibiricus (LSE), Gardenia jasminoides (GJE), and Lycopus coreanus (LCE). The anti-oxidant and anti-adipogenic effects were evaluated. The IC50 values for ascorbic acid and LCE against 2,2-diphenyl-1-picrylhydrazyl radicals were 246...
September 2016: Preventive Nutrition and Food Science
Eun Young Han, Sang Hee Im, Bo Ryun Kim, Min Ji Seo, Myeong Ok Kim
OBJECTIVE: Brachial-ankle pulse wave velocity (baPWV) evaluates arterial stiffness and also predicts early outcome in stroke patients. The objectives of this study were to investigate arterial stiffness of subacute nonfunctional ambulatory stroke patients and to compare the effects of robot-assisted gait therapy (RAGT) combined with rehabilitation therapy (RT) on arterial stiffness and functional recovery with those of RT alone. METHOD: The RAGT group (N = 30) received 30 minutes of robot-assisted gait therapy and 30 minutes of conventional RT, and the control group (N = 26) received 60 minutes of RT, 5 times a week for 4 weeks...
October 2016: Medicine (Baltimore)
Chun Woo Lim, Min Hwan Park, Hyun Jeong Do, Jung-Sook Yeom, Ji Sook Park, Eun Sil Park, Ji Hyun Seo, Jung Je Park, Jae Young Lim, Chan Hoo Park, Hyang-Ok Woo, Hee-Shang Youn
PURPOSE: The management and clinical course in pediatric patients who had ingested foreign body were investigated retrospectively to evaluate the frequency and factor associated with successful removal of fishbone foreign body. METHODS: Based on the medical records of patients younger than 15 years old who visited emergency room because of foreign body ingestion from January 1999 to December 2012, the authors reviewed clinical characteristics including type of ingested foreign bodies, time to visits, managements and complications...
September 2016: Pediatric Gastroenterology, Hepatology & Nutrition
Hyunhoo Cho, Seong Ho Ok, Seong Chun Kwon, Soo Hee Lee, Jiseok Baik, Sebin Kang, Jiah Oh, Ju-Tae Sohn
BACKGROUND: The goal of this in vitro study was to investigate the effect of lipid emulsion on vasodilation caused by toxic doses of bupivacaine and mepivacaine during contraction induced by a protein kinase C (PKC) activator, phorbol 12,13-dibutyrate (PDBu), in an isolated endothelium-denuded rat aorta. METHODS: The effects of lipid emulsion on the dose-response curves induced by bupivacaine or mepivacaine in an isolated aorta precontracted with PDBu were assessed...
October 2016: Korean Journal of Pain
Mi Ok Lee, Hyun-Jun Jang, Deivendran Rengaraj, Seo-Yeong Yang, Jae Yong Han, Susan J Lamont, James E Womack
BACKGROUND: Host defence peptides are a diverse group of small, cationic peptides and are important elements of the first line of defense against pathogens in animals. Expression and functional analysis of host defense peptides has been evaluated in chicken but there are no direct, comprehensive comparisons with all gene family and individual genes. RESULTS: We examined the expression patterns of all known cathelicidins, β-defensins and NK-lysin in multiple selected tissues from chickens...
October 13, 2016: BMC Veterinary Research
Ja Hyun Lee, Hah Young Yoo, Xiaoguang Yang, Dong Sup Kim, Ju Hun Lee, Soo Kweon Lee, Sung Ok Han, Seung Wook Kim
In our previous study, glycerol was utilized as an additional carbon source for the production of cephalosporin C (CPC) by Acremonium chrysogenum M35. In this study, algal sugars extracted from the third generation biomass, were utilized in the CPC production for the first time. The CPC production improved about two-fold when using the algal sugars as the carbon source. The complex medium including algal sugars and glycerol was utilized, and 7.3 g l(-1) CPC production was achieved in a 250 mL shaking flask...
October 13, 2016: Letters in Applied Microbiology
Sang Soo Lee, Hyun Ju Min, Ja Yun Choi, Hyun Chin Cho, Jin Joo Kim, Jae Min Lee, Hong Jun Kim, Chang Yoon Ha, Hyun Jin Kim, Tae Hyo Kim, Jin Hyun Kim, Ok-Jae Lee
BACKGROUND: Although elevated levels of lactoferrin provide a biomarker for inflammatory bowel diseases and colorectal cancer, the clinical significance of these elevated levels in ascitic fluid of patients with ascites caused by liver cirrhosis is limited. The aims of our study were to investigate the usefulness of ascitic fluid lactoferrin levels for the diagnosis of spontaneous bacterial peritonitis (SBP) in patients with cirrhosis and to evaluate the association between lactoferrin levels and the development of hepatocellular carcinoma (HCC)...
October 13, 2016: BMC Gastroenterology
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