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Soon Jun Hong, Han Saem Jeong, Jeong Cheon Ahn, Dong-Hun Cha, Kyung Heon Won, Weon Kim, Sang Kyoon Cho, Seok-Yeon Kim, Byung-Su Yoo, Ki Chul Sung, Seung-Woon Rha, Joon-Han Shin, Kyoo Rok Han, Wook Sung Chung, Min Su Hyon, Han Cheol Lee, Jang-Ho Bae, Moo-Yong Rhee, Jun Kwan, Dong Woon Jeon, Ki Dong Yoo, Hyo-Soo Kim
PURPOSE: Combination therapy with ezetimibe and statins is recommended in cases of statin intolerance or insufficiency. The objective of this study was to compare the efficacy and safety of combination therapy with ezetimibe and rosuvastatin versus those of rosuvastatin monotherapy in patients with hypercholesterolemia. METHODS: I-ROSETTE (Ildong ROSuvastatin & ezETimibe for hypercholesTElolemia) was an 8-week, double-blind, multicenter, Phase III randomized controlled trial conducted at 20 hospitals in the Republic of Korea...
February 2, 2018: Clinical Therapeutics
Soon Jun Hong, Han Saem Jeong
No abstract text is available yet for this article.
August 2017: Atherosclerosis
Yeon-Ju Lee, Saem Han, Su Hyun Kim, Hyi-Seung Lee, Hee Jae Shin, Jong Seok Lee, Jihoon Lee
Three new sulfated steroidal glycosides ( 3 - 5 ), along with known cholesterol derivatives ( 1 , 2 ), were isolated from the visceral extract of the cone snail Conus pulicarius . The structure of each new compound was elucidated by nuclear magnetic resonance spectroscopy and high-resolution mass spectrometry. The three new compounds exhibited significant in vitro cytotoxicity (GI50 values down to 0.49 μM) against the K562 human leukemia cell line.
December 4, 2017: Marine Drugs
Seul Gi Lee, Jin Soo Kim, Han-Saem Lee, Yu-Mi Lim, Jai-Hyun So, Dongyup Hahn, Yu Shin Ha, Ju-Ock Nam
Orostachys japonicus A. Berger (), known as Wa-song in Korea, has been reported to exert various biological effects, such as anti-tumor, anti-oxidant, and anti-febrile effects. However, the anti-angiogenic effects of O. japonicus extracts remain to be investigated. In the present study, we demonstrated the anti-angiogenic effects of bioconverted O. japonicus extract (BOE) in Ms-1 mouse endothelial cells and compared them with the bioactivities of O. japonicus extract (OE). BOE, but not OE, were found to exert anti-angiogenic effects, including inhibition of cell migration, cell adhesion, tube formation of Ms-1 cells, and blood vessel formation of matrigel plug assay in vivo...
December 5, 2017: International Journal of Molecular Sciences
Han-Saem Lee, Eun-Ju Yang, Taeho Lee, Kyung-Sik Song
Enzyme fermentation is a type of food processing technique generally used to improve the biological activities of food and herbal medicines. In this study, the Syzygium aromaticum (clove) extract was fermented using laccase derived from Trametes versicolor (LTV). The fermented clove extract showed greater neuroprotective effects against glutamate toxicity on HT22 than the non-fermented extract did. HPLC analysis revealed that eugenol (1) and dehydrodieugenol (2) contents had decreased and increased, respectively, after fermentation...
November 25, 2017: Journal of Microbiology and Biotechnology
Jung Yeon Heo, Joon Young Song, Ji Yun Noh, Min Joo Choi, Jin Gu Yoon, Saem Na Lee, Hee Jin Cheong, Woo Joo Kim
Influenza virus is a common pathogen implicated in respiratory tract infections, annually affecting up to 20% of the general population, and pneumonia is a leading cause of death after influenza infection. Post-influenza pneumonia is especially common in the elderly and chronically ill patients. The risk of post-influenza pneumonia is significantly increased according to the number of concurrent comorbidities. Vaccination is the primary measure used to abate influenza epidemics and associated complications...
November 14, 2017: Human Vaccines & Immunotherapeutics
Adree Khondker, Richard J Alsop, Alexander Dhaliwal, Sokunthearath Saem, Jose M Moran-Mirabal, Maikel C Rheinstädter
Polymyxin B (PmB) is a "last-line" antibiotic scarcely used due to its nephrotoxicity. However, the molecular basis for antibiotic nephrotoxicity is not clearly understood. We prepared kidney membrane analogs of detergent-susceptible membranes, depleted of cholesterol, and cholesterol enriched, resistant membranes. In both analogs, PmB led to membrane damage. By combining x-ray diffraction, molecular dynamics simulations, and electrochemistry, we present evidence for two populations of PmB molecules: peptides that lie flat on the membranes, and an inserted state...
November 7, 2017: Biophysical Journal
Christian E Galarza, Victor H Lachos, Dipankar Bandyopadhyay
This paper develops a likelihood-based approach to analyze quantile regression (QR) models for continuous longitudinal data via the asymmetric Laplace distribution (ALD). Compared to the conventional mean regression approach, QR can characterize the entire conditional distribution of the outcome variable and is more robust to the presence of outliers and misspecification of the error distribution. Exploiting the nice hierarchical representation of the ALD, our classical approach follows a Stochastic Approximation of the EM (SAEM) algorithm in deriving exact maximum likelihood estimates of the fixed-effects and variance components...
2017: Statistics and its Interface
Min Joo Choi, Joon Young Song, Ji Yun Noh, Jin Gu Yoon, Saem Na Lee, Jung Yeon Heo, Jae Won Yoon, Yu Mi Jo, Hee Jin Cheong, Woo Joo Kim
Pneumonia is a leading cause of hospitalization and mortality worldwide. Despite recognition of the importance of community-acquired pneumonia (CAP) in adults, limited epidemiologic information is available in South Korea. This study aimed to evaluate the disease burden of hospitalized CAP in adults aged ≥19 years and its epidemiologic trend using Health Insurance and Review Assessment (HIRA) data.This is a retrospective study using the HIRA database from year 2009 to 2013. We estimated the incidence rate and direct medical cost of hospitalized CAP in adults aged ≥19 years in South Korea...
November 2017: Medicine (Baltimore)
Elizabeth A Samuels, Dowin Boatright, Leon D Sanchez, Sheryl L Heron, Aisha T Liferidge, Taneisha Wilson, Ava Pierce, Alden Landry, Lisa Moreno-Walton, Jeffrey Druck, Joel Moll, Bernard L Lopez
No abstract text is available yet for this article.
December 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
Erin Dehon, Sarah A Sterling, Nicole Weiss
No abstract text is available yet for this article.
December 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
Soon Jun Hong, Han Saem Jeong, Seung Hwan Han, Ki Yuk Chang, Bum Kee Hong, Bong Ki Lee, Shung Chull Chae, Woo Shik Kim, Chang Gyu Park, Jung Ho Heo, Seung Uk Lee, Young Dae Kim, Kee Sik Kim, Jung Hyun Choi, Hyun Jae Kang, Jae Joong Kim, Seok Min Kang, Young Jin Choi, Joon Han Shin, Kook Jin Chun, Dong Gu Shin, Seong Hoon Park, Jun Kwan, Yu Jeong Choi, Myung Ho Jeong, Jei Keon Chae, Dong Woon Kim, Jung Rae Cho, Kyoo Rok Han, Kyung Heon Won, Sang Ho Park, Sang Kon Lee, Sang Hoon Kim, Jina Jung, Cheol Ho Kim
PURPOSE: The goal of this study was to compare the efficacy and safety of fixed-dose combinations of amlodipine/losartan potassium/chlorthalidone (A/L/C) and A/L in Korean patients with stage 2 hypertension inadequately controlled by A/L. METHODS: This study was an 8-week, randomized double-blind, multicenter, phase III clinical trial. Three hundred forty volunteer patients with stage 2 hypertension were randomized to receive A/L/C or A/L. The primary end point was a change in sitting systolic blood pressure (SitSBP) after 8 weeks of treatment...
September 19, 2017: Clinical Therapeutics
Jaewan Choi, Junki Kwon, Joong Won Shin, Jiyun Lee, Saem Lee, Michael S Kook
OBJECTIVE: The study aimed to evaluate the quantitative characteristics of the macular vessel density (VD) and foveal avascular zone (FAZ) in glaucoma using optical coherence tomography angiography (OCT-A). DESIGN: Cross-sectional, age- and sex-matched case-control study. METHODS: Fifty-two eyes of 52 patients with primary open angle glaucoma and 52 eyes from 52 healthy participants were recruited retrospectively. OCT-A was performed on a 3 x 3-mm macular region centered on the fovea...
2017: PloS One
Jae-Hui Nam, Han-Saem Kim, Young Jun Choi, Ho Joo Jung, Won-Serk Kim
[This corrects the article on p. 446 in vol. 29, PMID: 28761293.].
October 2017: Annals of Dermatology
(no author information available yet)
No abstract text is available yet for this article.
September 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
Han Saem Jeong, Soon Jun Hong, Sang-A Cho, Jong-Ho Kim, Jae Young Cho, Seung Hun Lee, Hyung Joon Joo, Jae Hyoung Park, Cheol Woong Yu, Do-Sun Lim
OBJECTIVES: This study compared adenosine-associated pleiotropic effects of the 2 P2Y12 receptor antagonists on vascular function, systemic inflammation, and circulating endothelial progenitor cells (EPCs). BACKGROUND: Both ticagrelor and prasugrel have potent antiplatelet effects. However, only ticagrelor inhibits cellular uptake of adenosine. METHODS: Using a randomized, crossover design with 10-week follow-up ticagrelor or prasugrel was administered to type 2 diabetic patients with non-ST-segment elevation acute coronary syndrome requiring stent implantation...
August 28, 2017: JACC. Cardiovascular Interventions
Han-Saem Park, Eunyong Seo, Juchan Yang, Yeongdae Lee, Byeong-Su Kim, Hyun-Kon Song
Ruthenium oxide (RuO2) is the best oxygen evolution reaction (OER) electrocatalyst. Herein, we demonstrated that RuO2 can be also efficiently used as an oxygen reduction reaction (ORR) electrocatalyst, thereby serving as a bifunctional material for rechargeable Zn-air batteries. We found two forms of RuO2 (i.e. hydrous and anhydrous, respectively h-RuO2 and ah-RuO2) to show different ORR and OER electrocatalytic characteristics. Thus, h-RuO2 required large ORR overpotentials, although it completed the ORR via a 4e process...
August 2, 2017: Scientific Reports
Jae-Hui Nam, Han-Saem Kim, Young Jun Choi, Ho Joo Jung, Won-Serk Kim
BACKGROUND: Nevus of Ota (NO) is a relatively common pigmentary disorder in Asians. Tanino's classification is an old but tacit consensus to delineate the disease. Various treatment options have been presented. However, a few studies have been conducted on available laser options and current treatment strategies or the classification of NO. OBJECTIVE: To investigate current laser options and their effectiveness for the treatment of NO, contributing factors to clinical outcomes, and verification of classification...
August 2017: Annals of Dermatology
Jae-Hui Nam, Han-Saem Kim, Ga-Young Lee, Won-Serk Kim
BACKGROUND: Low fluence 1,064 nm Q-switched (QS) Neodymium:Yttrium-Aluminum-Garnet (Nd:YAG) laser treatment, also known as laser toning, is widely used for pigmentary disorders. There has been no reliable evaluation of the effect of low fluence 1,064 nm QS Nd:YAG laser for senile lentigo. OBJECTIVE: To investigate the beneficial effect of low fluence 1,064 nm QS Nd:YAG laser in the treatment of senile lentigo on the face. METHODS: A retrospective review was conducted on patients treated only with repetitive low fluence 1,064 nm QS Nd:YAG laser...
August 2017: Annals of Dermatology
Han Saem Jeong, Jae Hyun Jung, Gwan Gyu Song, Sung Jae Choi, Soon Jun Hong
BACKGROUND: Symptomatic or significant vascular lesions of Takayasu arteritis (TA) need interventions. Although percutaneous transluminal angioplasty with balloon is a less invasive and safe method, stent implantation in TA can be an alternative option. However, superiority between balloon angioplasty and stenting in TA is not conclusive. METHODS: A meta-analysis comparing balloon angioplasty and stenting outcomes was performed using the MEDLINE and EMBASE databases...
July 2017: Medicine (Baltimore)
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