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https://www.readbyqxmd.com/read/29667889/journal-club-the-warthin-tumor-score-a-simple-and-reliable-method-to-distinguish-warthin-tumors-from-pleomorphic-adenomas-and-carcinomas
#1
Chih-Wei Wang, Yueng-Hsiang Chu, Deng-Yiv Chiu, Nieh Shin, Hsian-He Hsu, Jih-Chin Lee, Chun-Jung Juan
OBJECTIVE: The objective of this article is to propose a Warthin tumor (WT) score to distinguish WTs from other parotid tumors. MATERIALS AND METHODS: The study included 78 patients with 92 histologically proven parotid tumors, including 42 WTs, 30 pleomorphic adenomas (PMAs), and 20 carcinomas. Echo-planar DW images were acquired. The WT score, which comprised the mean apparent diffusion coefficient (ADCM ) and the SD of the ADC (ADCSD ) of tumors, patient age, and patient sex, was used to predict WTs...
April 18, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29667882/new-doppler-imaging-technique-for-assessing-angiogenesis-in-breast-tumors-correlation-with-immunohistochemically-analyzed-microvessels-density
#2
Sewha Kim, Hye Jin Lee, Kyung Hee Ko, Ah Young Park, Jieun Koh, Hae Kyoung Jung
Background Microvessel density (MVD) is associated with grade and prognosis in breast tumors. However, conventional color Doppler flow (CDF) imaging has been limited to represent MVD of breast tumors. Purpose To evaluate whether a new Doppler imaging technique (AngioPLUS) can represent MVD of breast tumors. Material and Methods The institutional review board approved this retrospective study, and patients' informed consent was waived. CDF and AngioPLUS were available in pathologically confirmed 55 breast tumors of 53 women...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29667848/transarterial-embolization-for-postpartum-hemorrhage-lessons-learned
#3
Chen-Ju Fu, Wiwan Irama, Yon-Cheong Wong, Hsiao-Jung Tseng, Li-Jen Wang, Kee-Min Yeow, Cheng-Hsien Wu
Background Although transarterial embolization (TAE) can powerfully control postpartum hemorrhage (PPH), clinical failure of TAE is not uncommon. Purpose To discover whether any parameters could predict timely clinical failure of TAE, then whether a supplementary intervention could be promptly initiated. Material and Methods We retrospectively analyzed 118 TAE procedures in 113 patients with PPH performed at our institution between January 2012 and May 2015. The patients were divided into the following groups: clinically successful TAE and failed TAE...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29667831/a-rigorous-method-of-calculating-exfoliation-energies-from-first-principles
#4
Jong Hyun Jung, Cheol-Hwan Park, Jisoon Ihm
The exfoliation energy, the energy required to peel off an atomic layer from the surface of a bulk material, is of fundamental importance in the science and engineering of two-dimensional materials. Traditionally, the exfoliation energy of a material has been obtained from first-principles by calculating the difference in the ground-state energy between (i) a slab of N atomic layers ( N ≫ 1) and (ii) a slab of N - 1 atomic layers plus an atomic layer separated from the slab. In this paper, we prove that the exfoliation energy can be obtained exactly as the difference in the ground-state energy between a bulk material (per atomic layer) and a single isolated layer...
April 18, 2018: Nano Letters
https://www.readbyqxmd.com/read/29667742/genetic-association-and-expression-analyses-of-the-phosphatidylinositol-4-phosphate-5-kinase-pip5k1c-gene-in-alcohol-use-disorder-relevance-for-pain-signaling-and-alcohol-use
#5
Ji Soo Lee, Jill L Sorcher, Allison D Rosen, Ruslan Damadzic, Hui Sun, Melanie Schwandt, Markus Heilig, John Kelly, Kelsey L Mauro, Audrey Luo, Daniel Rosoff, Christine Muench, Jeesun Jung, Zachary A Kaminsky, Falk W Lohoff
BACKGROUND: The gene encoding Phosphatidylinositol-4-Phosphate 5-Kinase (PIP5K1C) has been recently implicated in pain regulation. Interestingly, a recent cross-tissue and cross-phenotypic epigenetic analysis identified the same gene in alcohol use disorder (AUD). Given the high comorbidity between AUD and chronic pain, we hypothesized that genetic variation in PIP5K1C might contribute to susceptibility to AUD. METHODS: We conducted a case-control association study of genetic variants in PIP5K1C...
April 18, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29667412/surface-instability-of-sn-based-hybrid-perovskite-thin-film-ch-3-nh-3-sni-3-the-origin-of-its-material-instability
#6
YoungMi Lee, Jinwoo Park, Byung Deok Yu, Suklyun Hong, Min-Cherl Jung, Masakazu Nakamura
To understand the instability of Sn-based perovskite, CH3 NH3 SnI3 , photoelectron spectroscopy with the synchrotron radiation and theoretical calculations such as density functional theory and ab-initio molecular dynamics were performed. From these experimental and theoretical works, we found the crucial changes of surface-chemical states, the broken chemical bondings in Sn-I, and the depletion of a CH3 -NH3 molecule in the surface region. The material instability origin of Sn-based perovskite can be explained by the chemical state instability in the surface...
April 18, 2018: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/29667110/gender-affects-prognosis-of-methicillin-resistant-staphylococcus-aureus-bacteremia-differently-depending-on-the-severity-of-underlying-disease
#7
Chang Kyung Kang, Yee Gyung Kwak, Youngmi Park, Kyoung-Ho Song, Eu Suk Kim, Sook-In Jung, Kyung-Hwa Park, Wan Beom Park, Nam Joong Kim, Young Keun Kim, Hee-Chang Jang, Shinwon Lee, Jae Hyun Jeon, Ki Tae Kwon, Chung-Jong Kim, Yeon-Sook Kim, Hong Bin Kim
We aimed to elucidate the potential impact of gender on prognosis of Staphylococcus aureus bacteremia (SAB). We analyzed SAB cases prospectively collected over an 8-year period at 11 hospitals in Korea. SAB-related mortality was pre-defined as a death within 30 days from the onset of SAB without other apparent cause of death. The effect of gender on SAB-related mortality was examined in the entire cohort and in subgroups stratified according to methicillin resistance and Charlson's comorbidity-weighted index (CCWI) score...
April 17, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29666577/the-study-of-evaluation-and-rehabilitation-of-patients-with-different-cognitive-impairment-phases-based-on-virtual-reality-and-eeg
#8
Dong Wen, Xifa Lan, Yanhong Zhou, Guolin Li, Sheng-Hsiou Hsu, Tzyy-Ping Jung
No abstract text is available yet for this article.
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29666521/effects-of-different-packaging-materials-and-methods-on-the-physical-biochemical-and-sensory-qualities-of-lettuce
#9
Jung-Soo Lee, Dulal Chandra
In order to maintain the qualities at postharvest stages, Korean red leaf lettuces ( Lactuca sativa L. cv. Tojong-mats) were packaged with different films or perforations such as perforated polypropylene with 1320 small-sized holes (PPP-1320-hole), perforated polypropylene with 4 large-sized holes (PPP-4-hole), non-perforated polypropylene (Non-PPP), non-perforated polypropylene with anti-fogging properties (Anti-Fog-PP) or without packaging (control) and stored at 10 °C up to 16 days. Minimum water loss was observed in both non-perforated films (< 3%) compared to 35% in control at the end of storage...
May 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29666403/intact-interleukin-10-receptor-signaling-protects-from-hippocampal-damage-elicited-by-experimental-neurotropic-virus-infection-of-sjl-mice
#10
Ann-Kathrin Uhde, Malgorzata Ciurkiewicz, Vanessa Herder, Muhammad Akram Khan, Niko Hensel, Peter Claus, Michael Beckstette, René Teich, Stefan Floess, Wolfgang Baumgärtner, Klaus Jung, Jochen Huehn, Andreas Beineke
Theiler's murine encephalomyelitis virus (TMEV) infection represents an experimental mouse model to study hippocampal damage induced by neurotropic viruses. IL-10 is a pleiotropic cytokine with profound anti-inflammatory properties, which critically controls immune homeostasis. In order to analyze IL-10R signaling following virus-induced polioencephalitis, SJL mice were intracerebrally infected with TMEV. RNA-based next generation sequencing revealed an up-regulation of Il10, Il10rα and further genes involved in IL-10 downstream signaling, including Jak1, Socs3 and Stat3 in the brain upon infection...
April 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29666378/author-correction-understanding-the-functional-role-of-genistein-in-the-bone-differentiation-in-mouse-osteoblastic-cell-line-mc3t3-e1-by-rna-seq-analysis
#11
Myungsuk Kim, Jisun Lim, Jung-Hee Lee, Kyung-Mi Lee, Suji Kim, Kye Won Park, Chu Won Nho, Yoon Shin Cho
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29665996/analysis-of-atxn2-trinucleotide-repeats-in-korean-patients-with-amyotrophic-lateral-sclerosis
#12
Young-Eun Kim, Ki-Wook Oh, Min-Young Noh, Jinseok Park, Hee-Jung Kim, Jong Eun Park, Chang-Seok Ki, Seung Hyun Kim
ATXN2 intermediate-length trinucleotide repeat expansions have been reported as a risk factor for amyotrophic lateral sclerosis (ALS) in various ethnicities. We tried to confirm this finding in Korean patients with ALS by screening ATXN2 cytosine-adenine-guanine nucleotide sequences (CAG) repeat lengths in 464 unrelated ALS patients and 703 controls. The most common and the highest CAG repeat lengths in the controls were 22 and 28, respectively, whereas those in ALS patients were 22 and 33, respectively. The frequency of CAG repeat lengths of 30 or more was significantly different between the 2 groups after Bonferroni correction (1...
March 23, 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29665796/case-report-detection-of-the-identical-virus-in-a-patient-presenting-with-severe-fever-with-thrombocytopenia-syndrome-encephalopathy-and-the-tick-that-bit-her
#13
Uh Jin Kim, Dong-Min Kim, Seong Eun Kim, Seung Ji Kang, Hee-Chang Jang, Kyung-Hwa Park, Sook In Jung
BACKGROUND: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging tick-borne disease. Haemophysalis longicornis ticks have been considered the vector of severe fever with thrombocytopenia syndrome virus (SFTSV). However, clear data on the transmission of SFTS from ticks to humans are limited. CASE PRESENTATION: We report an 84-year-old woman who presented with fever and altered mentality, which was confirmed as SFTS with encephalopathy by reverse-transcription polymerase chain reaction in blood and cerebrospinal fluid...
April 17, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29665673/cooperative-instruction-of-signaling-and-metabolic-pathways-on-the-epigenetic-landscape
#14
Jung-Ae Kim
Cells cope with diverse intrinsic and extrinsic stimuli in order to make adaptations for survival. The epigenetic landscape plays a crucial role in cellular adaptation, as it integrates the information generated from stimuli. Signaling pathways induced by stimuli communicate with chromatin to change the epigenetic landscape through regulation of epigenetic modifiers. Metabolic dynamics altered by these stimuli also affect the activity of epigenetic modifiers. Here, I review the current understanding of epigenetic regulation via signaling and metabolic pathways...
April 11, 2018: Molecules and Cells
https://www.readbyqxmd.com/read/29665659/suppressive-effect-of-4-hydroxy-2-4-hydroxyphenethyl-isoindoline-1-3-dione-on-ovalbumin-induced-allergic-asthma
#15
Jin Huang, Mingzhi Su, Bo-Kyung Lee, Mee-Jeong Kim, Jee H Jung, Dong-Soon Im
4-Hydroxy-2-(4-hydroxyphenethyl)isoindoline-1,3-dione (PD1) is a synthetic phthalimide derivative of a marine compound. PD1 has peroxisome proliferator-activated receptor (PPAR) γ agonistic and anti-inflammatory effects. This study aimed to investigate the effect of PD1 on allergic asthma using rat basophilic leukemia (RBL)-2H3 mast cells and an ovalbumin (OVA)-induced asthma mouse model. In vitro , PD1 suppressed β-hexosaminidase activity in RBL-2H3 cells. In the OVA-induced allergic asthma mouse model, increased inflammatory cells and elevated Th2 and Th1 cytokine levels were observed in bronchoalveolar lavage fluid (BALF) and lung tissue...
April 18, 2018: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29665658/effect-of-the-anti-il-17-antibody-on-allergic-inflammation-in-an-obesity-related-asthma-model
#16
Lin Liang, Jung Hur, Ji Young Kang, Chin Kook Rhee, Young Kyoon Kim, Sook Young Lee
Background/Aims: The co-occurrence of obesity aggravates asthma symptoms. Diet-induced obesity increases helper T cell (TH) 17 cell differentiation in adipose tissue and the spleen. The 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitor pravastatin can potentially be used to treat asthma in obese patients by inhibiting interleukin 17 (IL-17) expression. This study investigated the combined effects of pravastatin and anti-IL-17 antibody treatment on allergic inflammation in a mouse model of obesity-related asthma...
April 19, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29665427/end-tidal-co-2-guided-automated-robot-cpr-system-in-the-pig-preliminary-communication
#17
Gil Joon Suh, Jaeheung Park, Jung Chan Lee, Sang Hoon Na, Woon Yong Kwon, Kyung Su Kim, Taegyun Kim, Yoon Sun Jung, Jung-In Ko, So Mi Shin, Kyoung Min You
BACKGROUND: Our aim was to compare the efficacy of the end-tidal CO2 -guided automated robot CPR (robot CPR) system with manual CPR and mechanical device CPR. METHODS: We developed the algorithm of the robot CPR system which automatically finds the optimal compression position under the guidance of end-tidal CO2 feedback in swine models of cardiac arrest. Then, 18 pigs after 11 minutes of cardiac arrest were randomly assigned to one of three groups, robot CPR, LUCAS CPR, and manual CPR groups (n = 6 each group)...
April 14, 2018: Resuscitation
https://www.readbyqxmd.com/read/29665355/combination-therapy-with-polydeoxyribonucleotide-and-proton-pump-inhibitor-enhances-therapeutic-effectiveness-for-gastric-ulcer-in-rats
#18
Il-Gyu Ko, Sung-Eun Kim, Jun-Jang Jin, Lakkyong Hwang, Eun-Sang Ji, Chang-Ju Kim, Jin-Hee Han, In Taik Hong, Min Seop Kwak, Jin Young Yoon, Hyun Phil Shin, Jung Won Jeon
AIMS: The main action of proton pump inhibitors (PPIs) is to inhibit gastric acid secretion, and PPIs are widely used to treat gastric ulcer (GU). However, if the action of promoting gastric mucosal regeneration is added, the effectiveness of GU treatment can be enhanced. Thus, in order to improve the therapeutic effect on GU, we tried to develop combination therapy promoting regeneration in injured tissue besides suppressing gastric acid secretion. MAIN METHODS: Polydeoxyribonucleotide (PDRN) was selected to evaluate tissue regeneration, and pantoprazole was chosen as one of the PPIs...
April 14, 2018: Life Sciences
https://www.readbyqxmd.com/read/29665257/scaling-effect-on-silicon-nitride-memristor-with-highly-doped-si-substrate
#19
Sungjun Kim, Sunghun Jung, Min-Hwi Kim, Ying-Chen Chen, Yao-Feng Chang, Kyung-Chang Ryoo, Seongjae Cho, Jong-Ho Lee, Byung-Gook Park
A feasible approach is reported to reduce the switching current and increase the nonlinearity in a complementary metal-oxide-semiconductor (CMOS)-compatible Ti/SiNx /p+ -Si memristor by simply reducing the cell size down to sub-100 nm. Even though the switching voltages gradually increase with decreasing device size, the reset current is reduced because of the reduced current overshoot effect. The scaled devices (sub-100 nm) exhibit gradual reset switching driven by the electric field, whereas that of the large devices (≥1 µm) is driven by Joule heating...
April 17, 2018: Small
https://www.readbyqxmd.com/read/29665153/in-situ-self-assembling-micellar-depots-that-can-actively-trap-and-passively-release-no-with-long-lasting-activity-to-reverse-osteoporosis
#20
Yu-Jung Lin, Chun-Chieh Chen, Nai-Wen Chi, Trang Nguyen, Hung-Yun Lu, Dang Nguyen, Po-Liang Lai, Hsing-Wen Sung
Treatment with exogenous nitric oxide (NO) donors is regarded as being effective against osteoporosis. However, NO has a short half-life, limiting its clinical usefulness. To overcome this limitation, an injectable microparticle (MP) system is developed that consists of phase-change materials capric acid (CA) and octadecane, and encapsulates a NO donor. The therapeutic efficacy of the MPs is evaluated in ovariectomized (OVX) rats with osteoporosis. Upon subcutaneous administration, the MPs undergo a phase transition, leaching out the NO donor and generating NO bubbles that are instantly covered by a layer of tightly packed CA surfactant molecules, forming micellar depots...
April 17, 2018: Advanced Materials
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