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https://www.readbyqxmd.com/read/29156592/activation-of-trek-1-but-not-trek-2-channel-by-mood-stabilizers
#1
Eun-Jin Kim, Dong Kun Lee, Seong-Geun Hong, Jaehee Han, Dawon Kang
Earlier studies have demonstrated that the tandem pore domain weak inward rectifying K⁺ channel (TWIK)-related K⁺ (TREK)-1 channel is inhibited by antidepressants and is associated with major depression. However, little is known about the effect of mood stabilizers that are commonly used for treatment of bipolar disorder on TREK channels, members of the two-pore domain K⁺ (K2P) channel family. This study sought to investigate the effect of mood stabilizers on TREK-1 and TREK-2 channels. HEK-293A cells were transfected with human TREK-1 or TREK-2 DNA...
November 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156239/examining-the-effects-of-alcohol-on-gabaa-receptor-mrna-expression-and-function-in-neural-cultures-generated-from-control-and-alcohol-dependent-donor-induced-pluripotent-stem-cells
#2
Richard Lieberman, Henry R Kranzler, Eric S Levine, Jonathan Covault
Factors influencing the development of alcohol-use disorder (AUD) are complex and heterogeneous. While animal models have been crucial to identifying actions of alcohol on neural cells, human-derived in vitro systems that reflect an individual's genetic background hold promise in furthering our understanding of the molecular and functional effects of alcohol exposure and the pathophysiology of AUD. In this report, we utilized induced pluripotent stem cell (iPSCs)-derived neural cell cultures obtained from healthy individuals (CTLs) and those with alcohol dependence (ADs) to 1) examine the effect of 21-day alcohol exposure on mRNA expression of three genes encoding GABAA receptor subunits (GABRA1, GABRG2, and GABRD) using quantitative PCR, and 2) examine the effect of acute and chronic alcohol exposure on GABA-evoked currents using whole-cell patch-clamp electrophysiology...
August 12, 2017: Alcohol
https://www.readbyqxmd.com/read/29156084/role-of-charge-and-hydrophobicity-in-liprotide-formation-a-molecular-dynamics-study-with-experimental-constraints
#3
Jannik Nedergaard Pedersen, Pim Wilhelmus Johannes Maria Frederix, Jan Skov Pedersen, Siewert Jan Marrink, Daniel Otzen
Bovine α-lactalbumin (aLA) and oleate (OA) form a complex that has been intensively studied for its tumoricidal activity. Small-angle X-ray scattering (SAXS) has revealed a lipid core surrounded by partially unfolded protein. We call this type of complex a liprotide. Little is known of the molecular interactions between OA and aLA and no technique has so far provided any high resolution structure of liprotides. Here, we used coarse grained (CG) molecular dynamics (MD) simulations, Isothermal titration calorimetry (ITC) and SAXS to investigate the interactions between aLA and OA during the process of liprotide formation...
November 20, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/29156017/early-and-late-outcomes-after-surgical-repair-of-congenital-supravalvular-aortic-stenosis-a-european-congenital-heart-surgeons-association-multicentric-study
#4
Massimo A Padalino, Anna Chiara Frigo, Marina Comisso, Martin Kostolny, Ikenna Omeje, Christian Schreiber, Jelena Pabst von Ohain, Julie Cleuziou, David J Barron, Bart Meyns, Viktor Hraska, Bohdan Maruszewski, Michal Kozlowski, Luca A Vricella, Narutoshi Hibino, Sarah Collica, Hakan Berggren, Mats Synnergren, Stojan Lazarov, David Kalfa, Emile Bacha, Christian Pizarro, Mark Hazekamp, Vlado Sojak, Jeffrey P Jacobs, Matej Nosal, Jose Fragata, Sertac Cicek, George E Sarris, Panayotis Zografos, Vladimiro L Vida, Giovanni Stellin
OBJECTIVES: Our goal was to evaluate the early and late results of the surgical management of congenital supravalvular aortic stenosis (SVAS). METHODS: We performed a retrospective, multicentre study using data from the European Congenital Heart Surgeons Association. Exclusion criteria were age >18 years, operation before 1990 and redo supravalvular aortic stenosis operations. Multivariate Cox regression analysis was performed to detect independent predictors of adverse events...
October 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29155949/pseudoaneurysm-rupture-after-acute-type-a-dissection-repair-possible-reaction-to-bioglue
#5
Toshiro Kobayashi, Hiroshi Kurazumi, Masafumi Sato, Hidenori Gohra
A 45-year-old man with acute Type A aortic dissection underwent the ascending aorta replacement with BioGlue (CryoLife Europa, Guildford, Surrey, UK) for anastomotic reinforcement. Postoperatively, he developed descending aortic dilation, a giant mediastinal cyst, Henoch-Schonlein purpura and an anastomotic-site pseudoaneurysm rupture. A BioGlue-induced inflammatory reaction was likely, according to a positive patch test (delayed allergic reaction).
October 9, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29155768/slice-patch-clamp-technique-for-analyzing-learning-induced-plasticity
#6
Hiroyuki Kida, Yuya Sakimoto, Dai Mitsushima
The slice patch clamp technique is a powerful tool for investigating learning-induced neural plasticity in specific brain regions. To analyze motor-learning induced plasticity, we trained rats using an accelerated rotor rod task. Rats performed the task 10 times at 30-s intervals for 1 or 2 days. Performance was significantly improved on the training days compared to the first trial. We then prepared acute brain slices of the primary motor cortex (M1) in untrained and trained rats. Current-clamp analysis showed dynamic changes in resting membrane potential, spike threshold, afterhyperpolarization, and membrane resistance in layer II/III pyramidal neurons...
November 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155557/wearable-nanoplasmonic-patch-detecting-sun-uv-exposure
#7
Jessica G Barajas-Carmona, Leydi Francisco-Aldana, Eden Morales-Narváez
Sun exposure is known to yield beneficial health outcomes, including synthesis of adequate levels of vitamin D, beneficial modulation of blood pressure and is a valuable factor in mental health care. However, the increasing incidence of sun/UV exposure-related illness, such as skin cancer, is seriously concerning public health authorities as well as the scientific community. Consequently, moderate sun/UV exposure is strongly recommended. A wearable nanoplasmonic patch whose original color changes upon sun exposure due to its UV-responsive capabilities that are visually detectable has been engineered...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29155332/unusual-features-of-the-large-linear-plasmid-psa3239-from-streptomyces-aureofaciens-ccm-3239
#8
Erik Mingyar, Renata Novakova, Renata Knirschova, Lubomira Feckova, Carmen Bekeova, Jan Kormanec
We previously identified the aur1 gene cluster, responsible for the production of the angucycline antibiotic auricin in Streptomyces aureofaciens CCM 3239. Pulse-field gel electrophoresis showed a single, 241kb linear plasmid, pSA3239, in this strain, and several approaches confirmed the presence of the aur1 cluster in this plasmid. We report here the nucleotide sequence of this 241,076-bp plasmid. pSA3239 contains an unprecedentedly small (13bp) telomeric sequence CCCGCGGAGCGGG, which is identical to the conserved Palindrome I sequence involved in the priming of end-patching replication...
November 16, 2017: Gene
https://www.readbyqxmd.com/read/29154057/far-infrared-ray-patches-relieve-pain-and-improve-skin-sensitivity-in-myofascial-pain-syndrome-a-double-blind-randomized-controlled-study
#9
Yen-Ting Lai, Hsiang-Lin Chan, Shu-Huan Lin, Chih-Ching Lin, Szu-Yuan Li, Chih-Kuang Liu, Hao-Wei Teng, Wen-Sheng Liu
OBJECTIVE: Myofascial pain syndrome (MPS) is a common disorder characterized by muscle pain if myofascial trigger points (MTrP) are stimulated. This study evaluated the effectiveness of far-infrared ray (FIR) patches in reducing the severity of pain in patients with MPS. METHODS: A double-blind, randomized controlled study involving 125 patients with MPS and 201 MTrPs located in the trapezius muscle. A FIR patch was applied to 98 MTrPs for 24h in the intervention group (61 patients) and a placebo patch was applied to 91 MTrPs in the control group (57 patients) at the end...
December 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/29153779/lambda-display-phage-as-a-mucosal-vaccine-delivery-vehicle-for-peptide-antigens
#10
Patricia González Cano, Lakshman N A Gamage, Kristen Marciniuk, Connie Hayes, Scott Napper, Sidney Hayes, Philip J Griebel
Bacteriophage are structurally stable in the gastro-intestinal tract and have favorable traits of safety, stability, ease of production, and immunogenicity. These attributes make them potential candidates as oral vaccine delivery vehicles but little is known about their capacity to induce mucosal immune responses in the small intestine. Whole body imaging of mice confirmed lambda bacteriophage (LP) were distributed throughout the gastro-intestinal tract 24 h after oral delivery. In newborn calves, targeted delivery of LP within the small intestine confirmed LP were immunogenic in a dose-dependent manner and were taken up by Peyer's patches...
November 16, 2017: Vaccine
https://www.readbyqxmd.com/read/29153725/differentiating-among-attempted-completed-and-multiple-nonfatal-strangulation-in-women-experiencing-intimate-partner-violence
#11
Jill Theresa Messing, Michelle Patch, Janet Sullivan Wilson, Gabor D Kelen, Jacquelyn Campbell
PURPOSE: Because identification of intimate partner violence (IPV) in health care settings is low and strangulation increases lethality risk among women experiencing IPV, we examined the prevalence and correlates of nonfatal strangulation among 1,008 women survivors of IPV. METHODS: Trained researchers conducted semistructured interviews with women survivors of IPV referred by police. Multinomial logistic regression examined differential correlates of attempted, completed, and multiple strangulation...
November 16, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/29153505/structural-basis-for-the-inhibitory-effects-of-ubistatins-in-the-ubiquitin-proteasome-pathway
#12
Mark A Nakasone, Timothy A Lewis, Olivier Walker, Anita Thakur, Wissam Mansour, Carlos A Castañeda, Jennifer L Goeckeler-Fried, Frank Parlati, Tsui-Fen Chou, Ortal Hayat, Daoning Zhang, Christina M Camara, Steven M Bonn, Urszula K Nowicka, Susan Krueger, Michael H Glickman, Jeffrey L Brodsky, Raymond J Deshaies, David Fushman
The discovery of ubistatins, small molecules that impair proteasomal degradation of proteins by directly binding to polyubiquitin, makes ubiquitin itself a potential therapeutic target. Although ubistatins have the potential for drug development and clinical applications, the lack of structural details of ubiquitin-ubistatin interactions has impeded their development. Here, we characterized a panel of new ubistatin derivatives using functional and binding assays. The structures of ubiquitin complexes with ubistatin B and hemi-ubistatin revealed direct interactions with ubiquitin's hydrophobic surface patch and the basic/polar residues surrounding it...
November 15, 2017: Structure
https://www.readbyqxmd.com/read/29153162/a-100-year-review-a-century-of-change-in-temperate-grazing-dairy-systems
#13
J R Roche, D P Berry, A M Bryant, C R Burke, S T Butler, P G Dillon, D J Donaghy, B Horan, K A Macdonald, K L Macmillan
From 1917 to 2017, dairy grazing systems have evolved from uncontrolled grazing of unimproved pastures by dual-purpose dairy-beef breeds to an intensive system with a high output per unit of land from a fit-for-purpose cow. The end of World War I signaled significant government investments in agricultural research institutes around the world, which coincided with technological breakthroughs in milk harvesting and a recognition that important traits in both plants and animals could be improved upon relatively rapidly through genetic selection...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29152910/treating-amblyopia-in-adults-with-prosthetic-occluding-contact-lenses
#14
Esperanza Garcia-Romo, Consuelo Perez-Rico, Isabel Roldán-Díaz, Juan Arévalo-Serrano, Román Blanco
PURPOSE: To investigate the feasibility, effectiveness and acceptability of using prosthetic occluding contact lenses (OCLs) to treat moderate amblyopia in adults and of the role of the multifocal visual evoked potential (mfVEP) as a predictor of postamblyopic therapy. METHODS: A comparative, prospective, interventional, case series pilot study with amblyopic adults (mean age: 40 years, range 20-50 years) allocated into two intervention groups: eye patching and OCL...
November 20, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29152493/a-pilot-study-evaluating-biomarker-development-for-drug-induced-chronic-eczematous-eruptions-of-aging-individuals
#15
Erika Mae Summers, Nicholas Ray Blickenstaff, Garrett Curtis Coman, Thomas Bernd Martins, Harry Raymond Hill, Richard Dennis Sontheimer
Background: Identifying the drug(s) responsible for drug-induced chronic eczematous eruptions of aging individuals (CEEA) is a clinical challenge in patients on multiple medications. Reliable in vitro testing methods and biomarkers are needed to identify the causative agent and allow simultaneous assessment of T-cell responses to multiple drugs being taken concurrently. This study examined the feasibility of using in vitro, drug-specific T cell activation responses as a biomarker for drug-induced CEEA...
October 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29152414/vegetation-structure-of-plantain-based-agrosystems-determines-numerical-dominance-in-community-of-ground-dwelling-ants
#16
Anicet Gbéblonoudo Dassou, Philippe Tixier, Sylvain Dépigny, Dominique Carval
In tropics, ants can represent an important part of animal biomass and are known to be involved in ecosystem services, such as pest regulation. Understanding the mechanisms underlying the structuring of local ant communities is therefore important in agroecology. In the humid tropics of Africa, plantains are cropped in association with many other annual and perennial crops. Such agrosystems differ greatly in vegetation diversity and structure and are well-suited for studying how habitat-related factors affect the ant community...
2017: PeerJ
https://www.readbyqxmd.com/read/29152169/land-use-types-influenced-avian-assemblage-structure-in-a-forest-agriculture-landscape-in-ghana
#17
Justus Precious Deikumah, Richard Kwafo, Vida Asieduwaa Konadu
The conservation of biodiversity within tropical forest regions does not lie only in the maintenance of natural forest areas, but on conservation strategies directed toward agricultural land types within which they are embedded. This study investigated variations in bird assemblages of different functional groups of forest-dependent birds in three agricultural land types, relative to distance from the interior of 34 tropical forest patches of varying sizes. Point counts were used to sample birds at each study site visited...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29151703/3d-printed-fistula-stent-designed-for-management-of-enterocutaneous-fistula-an-advanced-strategy
#18
Jin-Jian Huang, Jian-An Ren, Ge-Fei Wang, Zong-An Li, Xiu-Wen Wu, Hua-Jian Ren, Song Liu
Enterocutaneous fistulas (ECFs) are great challenges during the open abdomen. The loss of digestive juice, water-electrolyte imbalance and malnutrition are intractable issues during management of ECF. Techniques such as "fistula patch" and vacuum-assisted closure therapy have been applied to prevent contamination of open abdominal wounds by intestinal fistula drainage. However, failures are encountered due to high-output fistula and anatomical complexity. Here, we report 3D-printed patient-personalized fistula stent for ECF treatment based on 3D reconstruction of the fistula image...
November 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29151633/the-genus-elaphomyces-ascomycota-eurotiales-a-ribosomal-dna-based-phylogeny-and-revised-systematics-of-european-deer-truffles
#19
A Paz, J-M Bellanger, C Lavoise, A Molia, M Ławrynowicz, E Larsson, I O Ibarguren, M Jeppson, T Læssøe, M Sauve, F Richard, P-A Moreau
Elaphomyces ('deer truffles') is one of the most important ectomycorrhizal fungal genera in temperate and subarctic forest ecosystems, but also one of the least documented in public databases. The current systematics are mainly based on macromorphology, and is not significantly different from that proposed by Vittadini (1831). Within the 49 species recognised worldwide, 23 were originally described from Europe and 17 of these were described before the 20th century. Moreover, very recent phylogenetic treatments of the genus are mainly based on a few extra-European species and most common European species are still poorly documented...
June 2017: Persoonia
https://www.readbyqxmd.com/read/29151286/-experimental-study-of-glioma-stem-cell-mediated-immune-tolerance-in-tumor-microenvironment
#20
T Xie, J W Ma, B Liu, J Dong, Q Huang
Objective: To investigate the tumor microenvironment of immune tolerance induced by glioma stem cells (GSC). Methods: Human GSC SU3 cells transfected with red fluorescent protein (SU3-RFP) gene were implanted into the brain, subcutis (armpit and foot), liver and abdominal cavity of transgenic green fluorescence protein (GFP) nude mice to establish RFP(+) /GFP(+) dual fluorescence solid tumor model. The re-cultured cells derived from implanted tumor tissues, SU3-RFP cells co-cultured with peritoneal fluid of transgenic GFP nude mice and malignant ascites of tumor-bearing mice were observed by fluorescence microscopy and real-time video image tracing to analyze the microenvironment of immune tolerance mediated by RFP(+) /GFP(+) implanted tumor...
November 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
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