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https://www.readbyqxmd.com/read/27910985/uvb-radiation-vitamin-d-and-multiple-sclerosis
#1
H F DeLuca, L Plum
Acheson et al. (1960) observed an inverse relationship between sunlight exposure and the incidence of Multiple Sclerosis (MS). This led to the suggestion that increased levels of vitamin D caused by sunlight in some way suppresses MS. Further, super physiological doses of the metabolically active metabolite of vitamin D, i.e. 1α,25 dihydroxy vitamin D suppresses the animal model of MS i.e. experimental autoimmune encephalomyelitis (EAE). However, this response was accompanied by hypercalcemia. Hypercalcemia itself can suppress EAE...
December 2, 2016: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/27883996/phototherapy-with-narrow-band-uvb-in-adult-guttate-psoriasis-results-and-patient-assessment
#2
Montserrat Fernández-Guarino, Sonsoles Aboín-González, Diana Velázquez, Lucia Barchino, Natividad Cano, Pablo Lázaro
BACKGROUND: Acute guttate psoriasis (AGP) is a distinctive clinical entity with good response to treatment with narrow-band ultraviolet B (NB-UVB). OBJECTIVE: To investigate the results of NB-UVB phototherapy in adult patients with adult guttate psoriasis. MATERIAL AND METHODS: We carried out a prospective, open, and observational study. Patients over 18 years with more than 5% of body surface area affected were included. The PASI was assessed prior to and after treatment...
November 25, 2016: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/27876960/characterization-and-control-of-symbiotic-bacillus-cereus-isolated-from-the-mid-gut-of-anopheles-subpictus-grassi
#3
Priyanka Mukhopadhyay, Soumendranath Chatterjee
An investigation was done to find out the role of gut bacterium on the larval development and survival of Anopheles subpictus, the vector responsible for the transmission of malaria. An. subpictus mosquitoes breed exclusively in stagnant water, including shrimp/fish ponds with high nutrient level. One bacterial strain (CX2) was isolated from the midgut of late third instar of mosquito larvae. The bacterial isolate was sensitive to recommended doses of tetracyclin (30 µg/disc), doxycycline (30 µg/disc), kanamycin (30 µg/disc), gentamycin (10 µg/disc), streptomycin (10 µg/disc), vancomycin (30 µg/disc), ofloxacin (5 µg/disc), levofloxacin (5 µg/disc), gatifloxacin (10 µg/disc), but resistant to ampicillin (10 µg/disc)...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27810336/clinical-scale-expansion-of-cd34-cord-blood-cells-amplifies-committed-progenitors-and-rapid-scid-repopulation-cells
#4
Alba Casamayor-Genescà, Arnau Pla, Irene Oliver-Vila, Noèlia Pujals-Fonts, Sílvia Marín-Gallén, Marta Caminal, Irma Pujol-Autonell, Jorge Carrascal, Marta Vives-Pi, Joan Garcia, Joaquim Vives
Umbilical cord blood (UCB) transplantation is associated with long periods of aplastic anaemia. This undesirable situation is due to the low cell dose available per unit of UCB and the immaturity of its progenitors. To overcome this, we present a cell culture strategy aimed at the expansion of the CD34(+) population and the generation of granulocyte lineage-committed progenitors. Two culture products were produced after either 6 or 14days of in vitro expansion, and their characteristics compared to non-expanded UCB CD34(+) controls in terms of phenotype, colony-forming activity and multilineage repopulation potential in NOD-scid IL2Rγ(null) mice...
October 31, 2016: New Biotechnology
https://www.readbyqxmd.com/read/27809827/acute-exacerbation-of-ipf-has-systemic-consequences-with-multiple-organ-injury-with-sra-and-tnf-%C3%AE-cells-in-the-systemic-circulation-playing-central-roles-in-multiple-organ-injury
#5
Iwao Emura, Hiroyuki Usuda
BACKGROUND: The pathophysiologic mechanisms underlying acute exacerbation of idiopathic pulmonary fibrosis (IPF) are not fully understood. Few studies have examined autopsy findings in patients who have died from an acute exacerbation of IPF. The pathologic findings in systemic organs have not been described. METHODS: We retrospectively reviewed the autopsy findings in 12 patients who had died from an acute exacerbation of IPF and two of connective tissue disease- associated interstitial lung disease between 2005 and 2015...
November 3, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27805442/comparison-of-paravertebral-blockade-techniques-with-and-without-ultrasound-guidance-in-calves
#6
Michela Re, Javier Blanco-Murcia, Alejandra Villaescusa, Ignacio De Gaspar, Ignacio A Gómez de Segura
OBJECTIVE To compare the effectiveness of an ultrasound-guided paravertebral nerve blockade technique (UGPNB) with distal and proximal paravertebral nerve blockade techniques without ultrasound guidance (DPNB and PPNB, respectively) in calves. ANIMALS 4 calf cadavers and 7 healthy calves. PROCEDURES A suitable acoustic window was identified to facilitate access to the T13, L1, and L2 spinal nerves in cadavers and live calves. In cadavers, nerves were injected with dye under ultrasound guidance. In calves, the UGPNB, DPNB, and PPNB were performed in random order at 10-day intervals by injection of an anesthetic solution containing 2% lidocaine hydrochloride...
November 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27802825/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-3-brainstem-involvement-frequency-presentation-and-outcome
#7
Sven Jarius, Ingo Kleiter, Klemens Ruprecht, Nasrin Asgari, Kalliopi Pitarokoili, Nadja Borisow, Martin W Hümmert, Corinna Trebst, Florence Pache, Alexander Winkelmann, Lena-Alexandra Beume, Marius Ringelstein, Oliver Stich, Orhan Aktas, Mirjam Korporal-Kuhnke, Alexander Schwarz, Carsten Lukas, Jürgen Haas, Kai Fechner, Mathias Buttmann, Judith Bellmann-Strobl, Hanna Zimmermann, Alexander U Brandt, Diego Franciotta, Kathrin Schanda, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: Myelin oligodendrocyte glycoprotein antibodies (MOG-IgG) are present in a subset of aquaporin-4 (AQP4)-IgG-negative patients with optic neuritis (ON) and/or myelitis. Little is known so far about brainstem involvement in MOG-IgG-positive patients. OBJECTIVE: To investigate the frequency, clinical and paraclinical features, course, outcome, and prognostic implications of brainstem involvement in MOG-IgG-positive ON and/or myelitis. METHODS: Retrospective case study...
November 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27798221/optimization-of-the-strength-of-the-efavirenz-lamivudine-abacavir-fixed-dose-combination-for-paediatric-patients
#8
Naïm Bouazza, Tim R Cressey, Frantz Foissac, Andrzej Bienczak, Paolo Denti, Helen McIlleron, David Burger, Martina Penazzato, Marc Lallemant, Edmund V Capparelli, Jean-Marc Treluyer, Saïk Urien
BACKGROUND: Child-friendly, low-cost, solid, oral fixed-dose combinations (FDCs) of efavirenz with lamivudine and abacavir are urgently needed to improve clinical management and drug adherence for children. METHODS: Data were pooled from several clinical trials and therapeutic drug monitoring datasets from different countries. The number of children/observations was 505/3667 for efavirenz. Population pharmacokinetic analyses were performed using a non-linear mixed-effects approach...
October 24, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27793206/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-2-epidemiology-clinical-presentation-radiological-and-laboratory-features-treatment-responses-and-long-term-outcome
#9
Sven Jarius, Klemens Ruprecht, Ingo Kleiter, Nadja Borisow, Nasrin Asgari, Kalliopi Pitarokoili, Florence Pache, Oliver Stich, Lena-Alexandra Beume, Martin W Hümmert, Marius Ringelstein, Corinna Trebst, Alexander Winkelmann, Alexander Schwarz, Mathias Buttmann, Hanna Zimmermann, Joseph Kuchling, Diego Franciotta, Marco Capobianco, Eberhard Siebert, Carsten Lukas, Mirjam Korporal-Kuhnke, Jürgen Haas, Kai Fechner, Alexander U Brandt, Kathrin Schanda, Orhan Aktas, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: A subset of patients with neuromyelitis optica spectrum disorders (NMOSD) has been shown to be seropositive for myelin oligodendrocyte glycoprotein antibodies (MOG-IgG). OBJECTIVE: To describe the epidemiological, clinical, radiological, cerebrospinal fluid (CSF), and electrophysiological features of a large cohort of MOG-IgG-positive patients with optic neuritis (ON) and/or myelitis (n = 50) as well as attack and long-term treatment outcomes. METHODS: Retrospective multicenter study...
September 27, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27784313/an-optimised-age-based-dosing-regimen-for-single-low-dose-primaquine-for-blocking-malaria-transmission-in-cambodia
#10
Rithea Leang, Naw Htee Khu, Mavuto Mukaka, Mark Debackere, Rupam Tripura, Soy Ty Kheang, Say Chy, Neeraj Kak, Philippe Buchy, Arnaud Tarantola, Didier Menard, Arantxa Roca-Felterer, Rick M Fairhurst, Sim Kheng, Sinoun Muth, Song Ngak, Arjen M Dondorp, Nicholas J White, Walter Robert John Taylor
BACKGROUND: In 2012, the World Health Organization recommended the addition of single low-dose primaquine (SLDPQ, 0.25 mg base/kg body weight) to artemisinin combination therapies to block the transmission of Plasmodium falciparum without testing for glucose-6-phosphate dehydrogenase deficiency. The targeted group was non-pregnant patients aged ≥ 1 year (later changed to ≥ 6 months) with acute uncomplicated falciparum malaria, primarily in countries with artemisinin-resistant P...
October 27, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27771803/efficacy-against-nematode-infections-and-safety-of-afoxolaner-plus-milbemycin-oxime-chewable-tablets-in-domestic-dogs-under-field-conditions-in-europe
#11
Steffen Rehbein, Martin Knaus, Yasmina Mallouk, Tatjana Breiltgens, Emanuele Brianti, Balázs Capári, Filipe Dantas-Torres, Michel Gau, Anja Joachim, Karl-Heinz Kaulfuß, Zvezdelina Kirkova, Joerg Lechner, Andrei D Mihalca, Rosamaria Mirabito, Saulius Petkevičius, Dhimitër Rapti, Enstela Shukullari, Michel Sedeilhan, Doris Dollhofer, Katrin Kley, Wilfried Lebon, Martin Visser, Philippe Jeannin
Afoxolaner (AFX) plus milbemycin oxime (MO) combination chewable tablets (NexGard Spectra®, Merial) were evaluated for safety and efficacy against naturally acquired nematode infections in domestic dogs in a multi-centre, positive control, blinded field study using a randomized block design based on the order of presentation for allocation. In total, 408 dogs confirmed positive for naturally acquired infections of intestinal nematodes by pre-treatment faecal examination were studied in ten countries in Europe (Albania, Austria, Bulgaria, France, Germany, Hungary, Italy, Lithuania, Romania and Slovakia)...
October 22, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27760505/pilot-randomized-controlled-trial-to-assess-a-physical-therapy-program-on-upper-extremity-function-to-counteract-inactivity-in-chronic-stroke
#12
M Luz Sánchez-Sánchez, Maria-Arántzazu Ruescas-Nicolau, José-Antonio Pérez-Miralles, Elena Marqués-Sulé, Gemma-Victoria Espí-López
BACKGROUND: In chronic stroke, feasible physical therapy (PT) programs are needed to promote function throughout life. OBJECTIVE: This randomized controlled pilot trial investigated the feasibility and effect of a PT program composed of strengthening exercises with elastic bands and bimanual functional training, with clearly defined doses based on the rate of perceived exertion (Borg scale), to counteract inactivity in chronic stroke. METHODS: Fifteen subjects > 6 month post-stroke were randomized to three-month of UE function training (UE group), or to lower extremity function training (LE group)...
October 19, 2016: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/27758108/temperature-dependent-border-trap-response-produced-by-a-defective-interfacial-oxide-layer-in-al2o3-ingaas-gate-stacks
#13
Kechao Tang, Andrew C Meng, Ravi Droopad, Paul C McIntyre
Intentional oxidation of an As2-decapped (100) In0.57Ga0.43As substrate by additional H2O dosing during initial Al2O3 gate dielectric atomic layer deposition (ALD) increases the interface trap density (Dit), lowers the band edge photoluminescence (PL) intensity, and generates Ga-oxide detected by x-ray photoelectron spectroscopy (XPS). Aberration-corrected high resolution transmission electron microscopy (TEM) reveals formation of an amorphous interfacial layer which is distinct from the Al2O3 dielectric and which is not present without the additional H2O dosing...
October 19, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27756907/label-free-rapid-and-quantitative-phenotyping-of-stress-response-in-e-coli-via-ramanome
#14
Lin Teng, Xian Wang, Xiaojun Wang, Honglei Gou, Lihui Ren, Tingting Wang, Yun Wang, Yuetong Ji, Wei E Huang, Jian Xu
Rapid profiling of stress-response at single-cell resolution yet in a label-free, non-disruptive and mechanism-specific manner can lead to many new applications. We propose a single-cell-level biochemical fingerprinting approach named "ramanome", which is the collection of Single-cell Raman Spectra (SCRS) from a number of cells randomly selected from an isogenic population at a given time and condition, to rapidly and quantitatively detect and characterize stress responses of cellular population. SCRS of Escherichia coli cells are sensitive to both exposure time (eight time points) and dosage (six doses) of ethanol, with detection time as early as 5 min and discrimination rate of either factor over 80%...
October 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27741301/advanced-synthesis-of-conductive-polyaniline-using-laccase-as-biocatalyst
#15
Felipe de Salas, Isabel Pardo, Horacio J Salavagione, Pablo Aza, Eleni Amougi, Jesper Vind, Angel T Martínez, Susana Camarero
Polyaniline is a conductive polymer with distinctive optical and electrical properties. Its enzymatic synthesis is an environmentally friendly alternative to the use of harsh oxidants and extremely acidic conditions. 7D5L, a high-redox potential laccase developed in our lab, is the biocatalyst of choice for the synthesis of green polyaniline (emeraldine salt) due to its superior ability to oxidize aniline and kinetic stability at the required polymerization conditions (pH 3 and presence of anionic surfactants) as compared with other fungal laccases...
2016: PloS One
https://www.readbyqxmd.com/read/27740947/ruby-based-inorganic-scintillation-detectors-for-192-ir-brachytherapy
#16
Gustavo Kertzscher, Sam Beddar
We tested the potential of ruby inorganic scintillation detectors (ISDs) for use in brachytherapy and investigated various unwanted luminescence properties that may compromise their accuracy. The ISDs were composed of a ruby crystal coupled to a poly(methyl methacrylate) fiber-optic cable and a charge-coupled device camera. The ISD also included a long-pass filter that was sandwiched between the ruby crystal and the fiber-optic cable. The long-pass filter prevented the Cerenkov and fluorescence background light (stem signal) induced in the fiber-optic cable from striking the ruby crystal, which generates unwanted photoluminescence rather than the desired radioluminescence...
November 7, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27740543/an-assessment-of-the-use-of-native-and-denatured-forms-of-okra-seed-proteins-as-coagulants-in-drinking-water-treatment
#17
Alfred Ndahi Jones, John Bridgeman
The effects of temperature, storage time and water pH on the coagulation performance of okra seed protein in water treatment were assessed. In a jar test experiment, okra salt extract achieved a notable improvement in treatment efficiency with storage time and showed good performance in quality after thermal treatment at 60, 97 and 140 °C temperatures for 6, 4 and 2 hours, respectively. The performance improvement of more than 8% is considered to be due to the denaturation and subsequent removal of coagulation-hindering proteins in okra seed...
October 2016: Journal of Water and Health
https://www.readbyqxmd.com/read/27739091/effects-of-age-and-acute-moderate-alcohol-administration-on-neurophysiology-during-simulated-driving
#18
Ben Lewis, Jeff Boissoneault, Ian Frazier, Sara Jo Nixon
BACKGROUND: Driver age and blood alcohol concentration are both important factors in predicting driving risk; however, little is known regarding the joint import of these factors on neural activity following socially relevant alcohol doses. We examined age and alcohol effects on brain oscillations during simulated driving, focusing on 2 region-specific frequency bands implicated in task performance and attention: parietal alpha power (PAP; 8 to 12 Hz) and frontal theta power (FTP; 4 to 7 Hz)...
December 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27736933/bacterial-heat-shock-protein-groel-hsp64-exerts-immunoregulatory-effects-on-t-cells-by-utilizing-apoptosis
#19
Ayten Nalbant, Melis Kant
Aggregatibacter actinomycetemcomitans (Aa) expresses a 64-kDa GroEL protein belonging to the heat shock family of proteins. This protein has been shown to influence human host cells, but the apoptotic capacity of the GroEL protein regarding T cells is not yet known. The purpose of this study was to investigate the ability of A. actinomycetemcomitans GroEL (AaGroEL) protein to induce human peripheral blood T-cell apoptosis. Endogenous, purified AaGroEL protein was used as an antigen. In AaGroEL-treated T cells, the data indicated that phosphatidylserine exposure, an early apoptotic event, was dose- and time-dependent...
2016: PloS One
https://www.readbyqxmd.com/read/27731942/noise-induced-dna-damage-within-the-auditory-nerve
#20
O'neil W Guthrie
An understanding of the molecular pathology that underlies noise induced neurotoxicity is a prerequisite to the design of targeted therapies. The objective of the current experiment was to determine whether or not DNA damage is part of the pathophysiologic sequela of noise induced neurotoxicity. The experiment consisted of 41 hooded Long-Evans rats (2 month old males) that were randomized into control and noise exposed groups. Both the control and the noise group followed the same time schedule and therefore started and ended the experiment together...
October 12, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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