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https://www.readbyqxmd.com/read/28543874/ex-vivo-magnetic-resonance-imaging-using-hyaluronic-acid-fillers-differences-between-monophasic-and-biphasic-fillers
#1
M J Kim, W-J Moon, M S Hur, S H Han, Y W Lee, Y B Choe, K J Ahn
BACKGROUND/PURPOSE: Hyaluronic acid (HA) is an anionic, non-sulfated glycosaminoglycan distributed throughout the human skin and injectable HA fillers are the most commonly used in aesthetic field. This study aimed to determine if differences in physical characteristics of HA products (monophasic or biphasic fillers) affect the patterns of magnetic resonance imaging (MRI). METHODS: Twenty biphasic fillers and nine monophasic fillers were obtained from a commercial source, and examined with a 3...
May 25, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28541003/effect-of-early-plasma-exchange-on-survival-in-patients-with-severe-fever-with-thrombocytopenia-syndrome-a-multicenter-study
#2
Won Sup Oh, Jeong Rae Yoo, Ki Tae Kwon, Hye In Kim, Su Jin Lee, Jae Bum Jun, Seong Yeol Ryu, Hyun Ah Kim, Jian Hur, Yu Mi Wi, Min Hee Lim, Sang Taek Heo
Despite a high mortality rate, no specific treatment for severe fever with thrombocytopenia syndrome (SFTS) has been established. This study compared the clinical outcomes of SFTS patients treated with plasma exchange (PE group) with those who were not treated (non-PE group) at nine Korean hospitals between May 2013 and August 2015. A total of 53 SFTS patients were included: 24 (45.3%) PE cases and 29 (54.7%) non-PE cases. The overall in-hospital mortality rate was 32.1% (17/53). The in-hospital mortality rate of the PE group did not differ from that of the non-PE group (29...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28538365/cytoreductive-surgery-with-hyperthermic-intraperitoneal-chemotherapy-for-appendiceal-and-colorectal-cancer-with-peritoneal-carcinomatosis-clinical-outcomes-at-2-tertiary-referral-centers-in-korea
#3
Eun Jung Park, Seung Hyuk Baik, Hyuk Hur, Byung Soh Min, Jeonghyun Kang, Yun Dae Han, Min Soo Cho, Kang Young Lee, Nam Kyu Kim
Cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) is regarded as effective surgical treatments in patients with peritoneal metastasis. This study aimed to evaluate the clinical outcomes of CRS and HIPEC in patients with appendiceal or colorectal cancer with peritoneal carcinomatosis.A total of 66 patients who underwent CRS with HIPEC for appendiceal or colorectal cancer with peritoneal metastasis at 2 tertiary referral centers in Korea were evaluated between July 2014 and March 2016...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28535662/methylation-levels-of-line-1-as-a-useful-marker-for-venous-invasion-in-both-ffpe-and-frozen-tumor-tissues-of-gastric-cancer
#4
Jimin Min, Boram Choi, Tae-Su Han, Hyuk-Joon Lee, Seong-Ho Kong, Yun-Suhk Suh, Tae-Han Kim, Hwi-Nyeong Choe, Woo Ho Kim, Keun Hur, Han-Kwang Yang
Long interspersed nuclear element-1 (LINE-1) is a retrotransposon that contains a CpG island in its 5-untranslated region. The CpG island of LINE-1 is often heavily methylated in normal somatic cells, which is associated with poor prognosis in various cancers. DNA methylation can differ between formalin-fixed paraffin-embedded (FFPE) and frozen tissues. Therefore, this study aimed to compare the LINE-1 methylation status between the two tissue-storage conditions in gastric cancer (GC) clinical samples and to evaluate whether LINE-1 can be used as an independent prognostic marker for each tissue-storage type...
May 22, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28535341/fully-stretchable-optoelectronic-sensors-based-on-colloidal-quantum-dots-for-sensing-photoplethysmographic-signals
#5
Tae-Ho Kim, Chang-Seok Lee, Sangwon Kim, Jaehyun Hur, Sangmin Lee, Keun Wook Shin, Young-Zoon Yoon, Moon Kee Choi, Jiwoong Yang, Dae-Hyeong Kim, Taeghwan Hyeon, Seongjun Park, Sungwoo Hwang
Flexible and stretchable optoelectronic devices can be potentially applied in displays, biosensors, biomedicine, robotics, and energy generation. The use of nanomaterials with superior optical properties such as quantum dots (QDs) is important in the realization of wearable displays and biomedical devices, but specific structural design as well as selection of materials should preferentially accompany this technology to realize stretchable forms of these devices. Here, we report stretchable optoelectronic sensors manufactured using colloidal QDs and integrated with elastomeric substrates, whose optoelectronic properties are stable under various deformations...
May 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28527389/dynamics-of-dissolved-organic-matter-in-riverine-sediments-affected-by-weir-impoundments-production-benthic-flux-and-environmental-implications
#6
Meilian Chen, Sung-Han Kim, Heon-Jae Jung, Jung-Ho Hyun, Jung Hyun Choi, Hyo-Jin Lee, In-Ae Huh, Jin Hur
In order to understand the characteristics and dynamics of dissolved organic matter (DOM) in the sediment of rivers affected by impoundments, we examined the vertical profiles and the benthic fluxes of DOM in four different core sediments located at upstream sites of weirs in major rivers of South Korea. In three out of four sites, exponential accumulation of dissolved organic carbon (DOC) with depth was observed with the signature of seasonal variability. Except for the site displaying a below-detection limit of Fe(II), the general accumulation trends of DOC with depth was concurrent with the increases of Fe(II) and NH4(+) and the decrease of PO4(3-), signifying a close linkage of the DOM dynamics with anaerobic respiration via iron reduction, an important early diagenesis pathway...
May 12, 2017: Water Research
https://www.readbyqxmd.com/read/28526888/brain-structural-networks-associated-with-intelligence-and-visuomotor-ability
#7
Youngwoo Bryan Yoon, Won-Gyo Shin, Tae Young Lee, Ji-Won Hur, Kang Ik K Cho, William Seunghyun Sohn, Seung-Goo Kim, Kwang-Hyuk Lee, Jun Soo Kwon
Increasing evidence indicates that multiple structures in the brain are associated with intelligence and cognitive function at the network level. The association between the grey matter (GM) structural network and intelligence and cognition is not well understood. We applied a multivariate approach to identify the pattern of GM and link the structural network to intelligence and cognitive functions. Structural magnetic resonance imaging was acquired from 92 healthy individuals. Source-based morphometry analysis was applied to the imaging data to extract GM structural covariance...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525399/allergen-immunotherapy-for-the-treatment-of-respiratory-allergies-in-the-elderly
#8
Gyu-Young Hur, Ji-Ho Lee, Hae-Sim Park
PURPOSE OF REVIEW: Respiratory allergies, including asthma and allergic rhinitis can also occur in the elderly. Allergen immunotherapy for allergic diseases is the only disease-modifying treatment for patients with allergies available thus far. Here, we review current evidence supporting the use of allergen immunotherapy in the elderly and discuss its efficacy and utility for the treatment of respiratory allergic diseases in this setting. RECENT FINDINGS: Subcutaneous and/or sublingual immunotherapy are effective therapeutic options in not only young but also older patients...
May 17, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28522256/sporadic-early-onset-diffuse-gastric-cancers-have-high-frequency-of-somatic-cdh1-alterations-but-low-frequency-of-somatic-rhoa-mutations-compared-with-late-onset-cancers
#9
Soo Young Cho, Jun Won Park, Yang Liu, Young Soo Park, Ju Hee Kim, Hanna Yang, Hyejin Um, Woo Ri Ko, Byung Il Lee, Sun Young Kwon, Seung Wan Ryu, Chae Hwa Kwon, Do Youn Park, Jae-Hyuk Lee, Sang Il Lee, Kyu Sang Song, Hoon Hur, Sang-Uk Han, Heekyung Chang, Su-Jin Kim, Byung-Sik Kim, Jeong-Hwan Yook, Moon-Won Yoo, Beom-Su Kim, In-Seob Lee, Myeong-Cherl Kook, Nina Thiessen, An He, Chip Stewart, Andrew Dunford, Jaegil Kim, Juliann Shih, Gordon Saksena, Andrew D Cherniack, Steven Schumacher, Amaro-Taylor Weiner, Mara Rosenberg, Gad Getz, Eun Gyeong Yang, Min Hee Ryu, Adam J Bass, Hark Kyun Kim
BACKGROUND & AIMS: Early-onset gastric cancer, which develops in younger patients than most gastric cancers, is usually detected at advanced stages, has diffuse histologic features, and occurs more frequently in women. We investigated somatic genomic alterations associated with the unique characteristics of sporadic diffuse gastric cancers (DGCs) from younger patients. METHODS: We conducted whole exome and RNA sequence analyses of 80 resected DGC samples from patients 45 years old or younger in Korea...
May 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28520513/rectal-mucinous-adenocarcinoma-mr-imaging-assessment-of-response-to-concurrent-chemotherapy-and-radiation-therapy-a-hypothesis-generating-study
#10
Seung Hyun Park, Joon Seok Lim, Jinae Lee, Ha Yan Kim, Woong Sub Koom, Hyuk Hur, Mi-Suk Park, Myeong-Jin Kim, Honsoul Kim
Purpose To develop a system for assessment of tumor regression grade (TRG) with magnetic resonance (MR) imaging that is applicable to rectal mucinous adenocarcinoma (RMAC) and to obtain a preliminary evaluation of the association of MR imaging assessment of TRG with response to preoperative concurrent chemotherapy and radiation therapy (CCRT). Materials and Methods This retrospective study was approved by the institutional review board, and informed consent was waived. Pre- and post-CCRT MR images of 59 patients with RMAC (median age, 59 years; range, 29-80 years; 42 men [median age, 59 years; range, 36-80 years] and 17 women [median age, 57 years; range, 29-79 years]) who underwent CCRT and subsequent elective resection from July 2005 to June 2015 were analyzed...
May 18, 2017: Radiology
https://www.readbyqxmd.com/read/28514127/-is-it-possible-to-reduce-the-incidence-of-congenital-anomalies-analysis-of-adverse-obstetrics-clinical-events
#11
Eduardo Schejter, Dorith Ben-Hur, Arik Broda, Orly Manor, Iris Levy, Yossi Tal
No abstract text is available yet for this article.
July 2016: Harefuah
https://www.readbyqxmd.com/read/28507502/node-identification-using-inter-regional-correlation-analysis-for-mapping-detailed-connections-in-resting-state-networks
#12
William S Sohn, Tae Young Lee, Kwangsun Yoo, Minah Kim, Je-Yeon Yun, Ji-Won Hur, Youngwoo Bryan Yoon, Sang Won Seo, Duk L Na, Yong Jeong, Jun Soo Kwon
Brain function is often characterized by the connections and interactions between highly interconnected brain regions. Pathological disruptions in these networks often result in brain dysfunction, which manifests as brain disease. Typical analysis investigates disruptions in network connectivity based correlations between large brain regions. To obtain a more detailed description of disruptions in network connectivity, we propose a new method where functional nodes are identified in each region based on their maximum connectivity to another brain region in a given network...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28502973/the-job-competency-of-radiological-technologists-in-korea-based-on-specialists-opinion-and-questionnaire-survey
#13
Chang-Seon Lim, Yang-Sub Lee, Yong-Dae Lee, Hyun-Soo Kim, Gye-Hwan Jin, Seong-Youl Choi, Yera Hur
Purpose: Although there are over 40,000 licensed radiological technologists (RTs) in Korea, job competency standards have yet to be defined. This study aims to clarify the job competency of Korean RTs. Methods: A task force team of 11 professional RTs were recruited in order to analyze the job competency of domestic and international RTs. A draft for the job competency of Korean RTs was prepared. A survey was then conducted sampling RTs and the attitudes of their competencies were recorded from May 21 to July 30, 2016...
May 11, 2017: Journal of Educational Evaluation for Health Professions
https://www.readbyqxmd.com/read/28501005/hur-promotes-breast-cancer-cell-proliferation-and-survival-via-binding-to-cdk3-mrna
#14
Zonglin Zhang, Aimei Huang, Aihong Zhang, Chenxia Zhou
HuR, a ubiquitously expressed RNA-binding protein, stabilizes mRNA and regulates its translation. HuR expression was increased at all stages of breast cancer and correlated with poor clinical outcome. However, the detailed mechanisms remain unclear. Here we reported that overexpression of HuR increased CDK3 mRNA stability and thus its protein expression in MDA-MB-231 and MCF-7 cells. Mechanistically, CDK3 mRNA was identified as a target of HuR via bioinformatics and RNA binding protein immunoprecipitation (RIP) assays...
May 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28499016/minimally-invasive-transforaminal-lumbar-interbody-fusion-using-banana-shaped-and-straight-cages-radiological-and-clinical-results-from-a-prospective-randomized-clinical-trial
#15
Won-Suh Choi, Jin-Sung Kim, Jung-Woo Hur, Ji-Hoon Seong
BACKGROUND: In minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF), cage type and position play important roles in fusion achievement and sagittal alignment correction. However, no prospective randomized comparison of the results using different types of cage has been reported to date. OBJECTIVE: To compare the radiological and clinical outcomes of unilateral MIS-TLIF using 2 types of cage. METHODS: All candidates for single-level MIS-TLIF were randomized into banana-shaped cage and straight-cage groups...
May 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28497926/plasma-lte4-pgf2%C3%AE-ratio-and-blood-eosinophil-count-are-increased-in-elderly-asthmatics-with-previous-asthma-exacerbation
#16
Ga Young Ban, Young Min Ye, Sang Ha Kim, Gyu Young Hur, Joo Hee Kim, Jae Jung Shim, Kumsun Cho, Joo Youn Cho, Hae Sim Park
The tools for asthma control assessment recommended by the current guideline are cognitive function- and effort-dependent, which is substantially impaired in the elderly. The aim of this study is to investigate objective assessment tools of asthma control status and previous asthma exacerbation (AE) in elderly subjects. Asthmatics aged >60 years who were treated with step 2 or 3 by the Global Initiative for Asthma (GINA) guideline were enrolled. During the 12-week study period, the subjects used either 400 μg of budesonide plus 10 mg of montelukast or 800 μg of inhaled budesonide...
July 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28494401/using-two-dimensional-correlation-size-exclusion-chromatography-2d-cosec-to-explore-the-size-dependent-heterogeneity-of-humic-substances-for-copper-binding
#17
Yun-Kyung Lee, Jin Hur
Knowledge of the heterogeneous distribution of humic substances (HS) reactivities along a continuum of molecular weight (MW) is crucial for the systems where the HS MW is subject to change. In this study, two dimensional correlation spectroscopy combined with size exclusion chromatography (2D-CoSEC) was first utilized to obtain a continuous and heterogeneous presence of copper binding characteristics within bulk HS with respect to MW. HS solutions with varying copper concentrations were directly injected into a size exclusion chromatography (SEC) system with Tris-HCl buffer as a mobile phase...
May 8, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28493484/cytoplasmic-overexpression-of-rna-binding-protein-hur-is-a-marker-of-poor-prognosis-in-meningioma-and-hur-knockdown-decreases-meningioma-cell-growth-and-resistance-to-hypoxia
#18
Guillaume Gauchotte, Sébastien Hergalant, Charlène Vigouroux, Jean-Matthieu Casse, Rémi Houlgatte, Tony Kaoma, Déborah Helle, Lydia Brochin, Fabien Rech, Matthieu Peyre, François Labrousse, Laurent Vallar, Jean-Louis Gueant, Jean-Michel Vignaud, Shyue-Fang Battaglia-Hsu
HuR regulates cytoplasmic mRNA stability and translatability, and the HuR expression level has been shown to correlate with poor disease outcome in several cancer types; however, the prognostic value and potential pro-oncogenic properties of HuR in meningioma remain unclear. Thus, in the present study we analyzed 85 meningioma tissue samples to establish the relationship between HuR expression, tumor-cell proliferation, and/or patient survival. In addition, we examined the anti-proliferative effects of HuR knockdown in two meningioma cell lines (IOMM-Lee and Ben-Men1), and conducted transcriptome-wide analyses (IOMM-Lee cells) to elucidate the molecular consequences of HuR knockdown...
May 11, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28492937/association-between-medication-use-for-attention-deficit-hyperactivity-disorder-and-risk-of-motor-vehicle-crashes
#19
Zheng Chang, Patrick D Quinn, Kwan Hur, Robert D Gibbons, Arvid Sjolander, Henrik Larsson, Brian M D'Onofrio
Importance: Motor vehicle crashes (MVCs) are a major public health problem. Research has demonstrated that individuals with attention-deficit/hyperactivity disorder (ADHD) are more likely to experience MVCs, but the effect of ADHD medication treatment on the risk of MVCs remains unclear. Objective: To explore associations between ADHD medication use and risk of MVCs in a large cohort of patients with ADHD. Design, Setting, and Participants: For this study, a US national cohort of patients with ADHD (n = 2 319 450) was identified from commercial health insurance claims between January 1, 2005, and December 31, 2014, and followed up for emergency department visits for MVCs...
May 10, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28487080/astrocytic-expression-of-the-rna-regulator-hur-accentuates-spinal-cord-injury-in-the-acute-phase
#20
Thaddaeus Kwan, Candace L Floyd, Jason Patel, Amanda Mohaimany-Aponte, Peter H King
We recently showed that the RNA regulator, HuR, is translocated to the cytoplasm in astrocytes in the acute phase of spinal cord injury (SCI), consistent with its activation. HuR positively modulates expression of many pro-inflammatory factors, including IL-1β, TNF-α, and MMP-12, which are present at high levels in the early phase of SCI and exacerbate tissue damage. Knockdown of HuR in astrocytes blunts expression of these factors in an in vitro stretch injury model of CNS trauma. In this report, we further investigate the impact of HuR in early SCI using a mouse model in which human HuR is transgenically expressed in astrocytes...
May 6, 2017: Neuroscience Letters
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