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https://www.readbyqxmd.com/read/29141279/efficacy-of-stiripentol-in-dravet-syndrome-with-or-without-scn1a-mutations
#1
Min Jung Cho, Soon Sung Kwon, Ara Ko, Seung Tae Lee, Young Mock Lee, Heung Dong Kim, Hee Jung Chung, Se Hee Kim, Joon Soo Lee, Dae Sung Kim, Hoon Chul Kang
BACKGROUND AND PURPOSE: The aim of this study was to determine the effectiveness of stiripentol (STP) add-on therapy to valproate and clobazam in patients with Dravet syndrome (DS) according to the presence of mutations in the sodium channel alpha-1 subunit gene (SCN1A). METHODS: We performed direct sequencing to analyze SCN1A mutations in 32 patients with clinically confirmed with DS, and classified them into mutation (pathogenic or likely pathogenic) and nonmutation groups based on American College of Medical Genetics and Genomics guidelines...
October 31, 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/29141151/light-responsive-nanoparticles-for-highly-efficient-cytoplasmic-delivery-of-anticancer-agents
#2
Yangyun Wang, Yibin Deng, Huanhuan Luo, Aijun Zhu, Hengte Ke, Hong Yang, Huabing Chen
Stimuli-responsive nanostructures have shown great promise for intracellular delivery of anticancer compounds. A critical challenge remains in the exploration of stimuli-responsive nanoparticles for fast cytoplasmic delivery. Herein, near-infrared (NIR) light-responsive nanoparticles were rationally designed to generate highly efficient cytoplasmic delivery of anticancer agents for synergistic thermo-chemotherapy. The drug-loaded polymeric nanoparticles of selenium-inserted copolymer (I/D-Se-NPs) were rapidly dissociated in several minutes through reactive oxygen species (ROS)-mediated selenium oxidation upon NIR light exposure, and this irreversible dissociation of I/D-Se-NPs upon such a short irradiation promoted continuous drug release...
November 15, 2017: ACS Nano
https://www.readbyqxmd.com/read/29141072/association-of-cetp-gene-variants-with-risk-for-vascular-and-nonvascular-diseases-among-chinese-adults
#3
Iona Y Millwood, Derrick A Bennett, Michael V Holmes, Ruth Boxall, Yu Guo, Zheng Bian, Ling Yang, Sam Sansome, Yiping Chen, Huaidong Du, Canqing Yu, Alex Hacker, Dermot F Reilly, Yunlong Tan, Michael R Hill, Junshi Chen, Richard Peto, Hongbing Shen, Rory Collins, Robert Clarke, Liming Li, Robin G Walters, Zhengming Chen
Importance: Increasing levels of high-density lipoprotein (HDL) cholesterol through pharmacologic inhibition of cholesteryl ester transfer protein (CETP) is a potentially important strategy for prevention and treatment of cardiovascular disease (CVD). Objective: To use genetic variants in the CETP gene to assess potential risks and benefits of lifelong lower CETP activity on CVD and other outcomes. Design, Setting, and Participants: This prospective biobank study included 151 217 individuals aged 30 to 79 years who were enrolled from 5 urban and 5 rural areas of China from June 25, 2004, through July 15, 2008...
November 15, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/29140772/role-of-patient-coping-strategies-in-understanding-the-effects-of-early-palliative-care-on-quality-of-life-and-mood
#4
Joseph A Greer, Jamie M Jacobs, Areej El-Jawahri, Ryan D Nipp, Emily R Gallagher, William F Pirl, Elyse R Park, Alona Muzikansky, Juliet C Jacobsen, Vicki A Jackson, Jennifer S Temel
Purpose The early integration of oncology and palliative care (EIPC) improves quality of life (QOL) and mood for patients with advanced cancer. However, the mechanisms by which EIPC benefits these outcomes remain unclear. We therefore examined whether EIPC improved patients' coping strategies and if changes in coping accounted for intervention effects on QOL and depressive symptoms. Patients and Methods For this secondary analysis of an EIPC trial, we examined data from 350 patients with newly diagnosed incurable lung or GI cancer...
November 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29139561/the-novel-potent-and-highly-selective-5-ht4-receptor-agonist-yh12852-significantly-improves-both-upper-and-lower-gastrointestinal-motility
#5
Eun Jeong Jeong, Soo Yong Chung, Han Na Hong, Se-Woong Oh, Jae Young Sim
BACKGROUND AND PURPOSE: 5-HT4 receptor agonists have been shown to be effective to treat various gastrointestinal tract disorders. However, a lack of selectivity against off-targets has been a limiting factor. EXPERIMENTAL APPROACH: The binding affinity and selectivity of YH12852 for human 5-HT4(a) receptor in CHO-K1 cells were evaluated using radioligand binding assays, and agonistic activity was assessed using a beta-lactamase reporter system. Contractile activity and propulsive motility were measured in isolated guinea pig distal colon...
November 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29138789/preferential-s-se-occupation-in-an-anisotropic-res2-1-x-se2x-monolayer-alloy
#6
Wen Wen, Junhao Lin, Kazu Suenaga, Yuzheng Guo, Yiming Zhu, Hung-Pin Hsu, Liming Xie
Band structure engineering of two-dimensional (2D) metal dichalcogenides (TMDs) is crucial for their light-matter interaction and optoelectronic applications. Alloying of different metal or chalcogen elements with different stoichiometries in TMDs provides a versatile and efficient approach for modulating the electronic structure and properties of 2D materials. In 2D alloys, quantification of spatial distribution and local coordination of atoms facilitates the establishment of the structure-property relationship at the atomic scale...
November 15, 2017: Nanoscale
https://www.readbyqxmd.com/read/29138677/oxidative-stress-in-hemodialysis-patients-a-review-of-the-literature
#7
REVIEW
Vassilios Liakopoulos, Stefanos Roumeliotis, Xenia Gorny, Evangelia Dounousi, Peter R Mertens
Hemodialysis (HD) patients are at high risk for all-cause mortality and cardiovascular events. In addition to traditional risk factors, excessive oxidative stress (OS) and chronic inflammation emerge as novel and major contributors to accelerated atherosclerosis and elevated mortality. OS is defined as the imbalance between antioxidant defense mechanisms and oxidant products, the latter overwhelming the former. OS appears in early stages of chronic kidney disease (CKD), advances along with worsening of renal failure, and is further exacerbated by the HD process per se...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138485/evaluating-the-impact-of-domestication-and-captivity-on-the-horse-gut-microbiome
#8
Jessica L Metcalf, Se Jin Song, James T Morton, Sophie Weiss, Andaine Seguin-Orlando, Frédéric Joly, Claudia Feh, Pierre Taberlet, Eric Coissac, Amnon Amir, Eske Willerslev, Rob Knight, Valerie McKenzie, Ludovic Orlando
The mammal gut microbiome, which includes host microbes and their respective genes, is now recognized as an essential second genome that provides critical functions to the host. In humans, studies have revealed that lifestyle strongly influences the composition and diversity of the gastrointestinal microbiome. We hypothesized that these trends in humans may be paralleled in mammals subjected to anthropogenic forces such as domestication and captivity, in which diets and natural life histories are often greatly modified...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138430/extracellular-vesicles-derived-from-mscs-activates-dermal-papilla-cell-in-vitro-and-promotes-hair-follicle-conversion-from-telogen-to-anagen-in-mice
#9
Ramya Lakshmi Rajendran, Prakash Gangadaran, Soon Sun Bak, Ji Min Oh, Senthilkumar Kalimuthu, Ho Won Lee, Se Hwan Baek, Liya Zhu, Young Kwan Sung, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol Ahn
Hair loss is a common medical problem. In this study, we investigated the proliferation, migration, and growth factor expression of human dermal papilla (DP) cells in the presence or absence of treatment with mesenchymal stem cell extracellular vesicles (MSC-EVs). In addition, we tested the efficacy of MSC-EV treatment on hair growth in an animal model. MSC-EV treatment increased DP cell proliferation and migration, and elevated the levels of Bcl-2, phosphorylated Akt and ERK. In addition; DP cells treated with MSC-EVs displayed increased expression and secretion of VEGF and IGF-1...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138333/correction-for-yoon-et-al-p53-derived-host-restriction-of-hiv-1-replication-by-protein-kinase-r-mediated-tat-phosphorylation-and-inactivation
#10
Cheol-Hee Yoon, Sang-Yoon Kim, Se Eun Byeon, Yideul Jeong, Jinjoo Lee, Kwang Pyo Kim, Jinseu Park, Yong-Soo Bae
No abstract text is available yet for this article.
December 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29137841/using-ecological-momentary-assessment-to-assess-the-temporal-relationship-between-sleep-quality-and-cravings-in-individuals-recovering-from-substance-use-disorders
#11
Lindsey K Freeman, Nisha C Gottfredson
INTRODUCTION: The causal direction of the relationship between sleep disturbance and drug cravings is unknown. Based on resource depletion literature, we hypothesized that sleep difficulties lead to cravings. We tested whether sleep quality predicts craving at the within- or between-person level, with perceived willpower as a multilevel mediator. METHODS: We used ecological momentary assessments (EMA) to compare two models of temporal precedence. Participants in addiction treatment (N=122) were sent four surveys each day for three weeks...
November 11, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29137813/reasons-for-seagrass-optimism-local-ecological-knowledge-confirms-presence-of-dugongs
#12
Leanne C Cullen-Unsworth, Benjamin L Jones, Rachel Seary, Rhian Newman, Richard K F Unsworth
Dugongs (Dugong dugon) depend on seagrass meadows for food. As such seagrass and dugong conservation should go hand in hand. Assessing dugong populations is notoriously challenging. In the most resource dependent communities Local Ecological Knowledge (LEK) is generally high and can provide an alternative to the use of expensive ecological surveys to understand dugong populations and support associated resource management decisions. Residents of the Wakatobi National Park (WNP), SE Sulawesi, Indonesia are highly dependent on marine resources for livelihoods and correspondingly LEK is high...
November 11, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29137611/diagnostic-validity-and-triage-concordance-of-a-physiotherapist-compared-to-physicians-diagnoses-for-common-knee-disorders
#13
S Décary, M Fallaha, B Pelletier, P Frémont, J Martel-Pelletier, J-P Pelletier, D E Feldman, M-P Sylvestre, P-A Vendittoli, F Desmeules
BACKGROUND: Emergence of more autonomous roles for physiotherapists warrants more evidence regarding their diagnostic capabilities. Therefore, we aimed to evaluate diagnostic and surgical triage concordance between a physiotherapist and expert physicians and to assess the diagnostic validity of the physiotherapist's musculoskeletal examination (ME) without imaging. METHODS: This is a prospective diagnostic study where 179 consecutive participants consulting for any knee complaint were independently diagnosed and triaged by two evaluators: a physiotherapist and one expert physician (orthopaedic surgeons or sport medicine physicians)...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29137280/ppar%C3%AE-sumoylation-mediated-lipid-accumulation-in-lung-cancer
#14
Ai N H Phan, Vu T A Vo, Tuyen N M Hua, Min-Kyu Kim, Se-Young Jo, Jong-Whan Choi, Hyun-Won Kim, Jaekyoung Son, Young-Ah Suh, Yangsik Jeong
Metabolic reprogramming as a crucial emerging hallmark of cancer is critical for tumor cells to maintain cellular bioenergetics, biosynthesis and reduction/oxidation (REDOX) balance. Peroxisome proliferator-activated receptor gamma (PPARγ) is a nuclear hormone receptor regulating transcription of diverse gene sets involved in inflammation, metabolism, and suppressing tumor growth. Thiazolidinediones (TZDs), as selective PPARγ ligands, are insulin-sensitizing drugs widely prescribed for type 2 diabetic patients in the clinic...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137271/environmental-conditions-differentially-affect-neurobehavioral-outcomes-in-a-mouse-model-of-sepsis-associated-encephalopathy
#15
Mu-Huo Ji, Hui Tang, Dan Luo, Li-Li Qiu, Min Jia, Hong-Mei Yuan, Shan-Wu Feng, Jian-Jun Yang
Brain dysfunction remains a common complication after sepsis development and is an independent risk factor for a poorer prognosis and an increased mortality. Here we tested the hypothesis that the behavioral outcomes after lipopolysaccharides (LPS) administration are exacerbated by an impoverished environment (IE) and alleviated by an enriched environment (EE), respectively. Mice were randomly allocated in a standard environment (SE), an EE, or an IE for 4 weeks after LPS or normal saline (NS) administration...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137202/differential-gene-expression-analysis-of-bovine-macrophages-after-exposure-to-the-penicillium-mycotoxins-citrinin-and-or-ochratoxin-a
#16
Kristen M Brennan, Se-Young Oh, Alexandros Yiannikouris, Daniel E Graugnard, Niel A Karrow
Mycotoxins produced by fungal species commonly contaminate livestock feedstuffs, jeopardizing their health and diminishing production. Citrinin (CIT) and ochratoxin A (OTA) are mycotoxins produced by Penicillium spp. and commonly co-occur. Both CIT and OTA can modulate immune response by inhibiting cell proliferation and differentiation, altering cell metabolism, and triggering programmed cell death. The objective of this study was to determine the effects of sublethal exposure (i.e., the concentration that inhibited cell proliferation by 25% (IC25)) to CIT, OTA or CIT + OTA on the bovine macrophage transcriptome...
November 13, 2017: Toxins
https://www.readbyqxmd.com/read/29137112/elucidating-direct-photolysis-mechanisms-of-different-dissociation-species-of-norfloxacin-in-water-and-mg-2-effects-by-quantum-chemical-calculations
#17
Se Wang, Zhuang Wang
The study of pollution due to combined antibiotics and metals is urgently needed. Photochemical processes are an important transformation pathway for antibiotics in the environment. The mechanisms underlying the effects of metal-ion complexation on the aquatic photochemical transformation of antibiotics in different dissociation forms are crucial problems in science, and beg solutions. Herein, we investigated the mechanisms of direct photolysis of norfloxacin (NOR) in different dissociation forms in water and metal ion Mg(2+) effects using quantum chemical calculations...
November 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29137085/current-trends-of-practical-issues-concerning-micropapillary-thyroid-carcinoma-the-korean-society-of-thyroid-head-and-neck-surgery
#18
Yoon Se Lee, Byung-Joo Lee, Hyun Joon Hong, Kang-Dae Lee
Although several thyroid associations have published various guidelines, controversies especially in cases of micropapillary thyroid cancer (MPTC) still exist. This survey was designed to collect information about diagnostic tests and treatments performed on patients with MPTC and help identify current trends in thyroid surgery.We developed questionnaires about the management methods for MPTC, which were used to identify factors related to indications of fine needle aspiration (FNA), type of surgery, and central lymph node dissection (CLND)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136898/aerosol-dilution-as-a-simple-strategy-for-analysis-of-complex-samples-by-icp-ms
#19
Ariane I Barros, Fernanda C Pinheiro, Clarice D B Amaral, Rodolfo Lorençatto, Joaquim A Nóbrega
This study investigated the capability of High Matrix Introduction (HMI) strategy for analysis of dialysis solution and urine samples using inductively coupled plasma mass spectrometry. The use of HMI enables the direct introduction of urine samples and dialysis solutions 2-fold diluted with 0.14molL(-1) HNO3. Bismuth, Ge, Ir, Li, Pt, Rh, Sc and Tl were evaluated as internal standards for Al, Ag, As, Be, Cd, Cr, Pb, Sb, Se, Tl, and Hg determination in dialysis solution and As, Cd, Hg and Pb determination in urine samples...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136888/urinary-metal-and-metalloid-biomarker-study-of-henoch-schonlein-purpura-nephritis-using-inductively-coupled-plasma-orthogonal-acceleration-time-of-flight-mass-spectrometry
#20
Zhifen Deng, Zhicong Yang, Xue Ma, Xiaoli Tian, Liangliang Bi, Bin Guo, Wei Wen, Huayun Han, Yanjie Huang, Shusheng Zhang
To obtain a better understanding as to whether concentration alterations of metals and metalloids in urine were related to Henoch-Schonlein purpura nephritis (HSPN), the profiles of as many as 29 elements in urine were compared among three groups, the Henoch-Schonlein purpura (HSP), HSPN and a healthy control group. To this end, a reliable method has been developed for the simultaneous quantification of multiple elements including Li, Be, B, Al, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Mo, Cd, Sn, Sb, Cs, Ba, Tl, Pb and Bi in urine using inductively coupled plasma orthogonal acceleration time-of-flight mass spectrometry (ICP-oa-TOF-MS)...
February 1, 2018: Talanta
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