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https://www.readbyqxmd.com/read/29352704/treatment-of-adult-chronic-indeterminate-chagas-disease-with-benznidazole-and-three-e1224-dosing-regimens-a-proof-of-concept-randomised-placebo-controlled-trial
#1
Faustino Torrico, Joaquim Gascon, Lourdes Ortiz, Cristina Alonso-Vega, María-Jesús Pinazo, Alejandro Schijman, Igor C Almeida, Fabiana Alves, Nathalie Strub-Wourgaft, Isabela Ribeiro
BACKGROUND: Chagas disease is a major neglected vector-borne disease. In this study, we investigated the safety and efficacy of three oral E1224 (a water-soluble ravuconazole prodrug) regimens and benznidazole versus placebo in adult chronic indeterminate Chagas disease. METHOD: In this proof-of-concept, double-blind, randomised phase 2 clinical trial, we recruited adults (18-50 years) with confirmed diagnosis of Trypanosoma cruzi infection from two outpatient units in Bolivia...
January 15, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29352253/tracking-the-evolution-of-transiently-transfected-individual-cells-in-a-microfluidic-platform
#2
Micaela Tamara Vitor, Sébastien Sart, Antoine Barizien, Lucimara Gaziola De La Torre, Charles N Baroud
Transient gene expression (TGE) technology enables the rapid production of large amount of recombinant proteins, without the need of fastidious screening of the producing cells required for stable transfection (ST). However, several barriers must be overcome before reaching the production yields using ST. For optimizing the production yields from suspended cells using TGE, a better understanding of the transfection conditions at the single cell level are required. In this study, a universal droplet microfluidic platform was used to assess the heterogeneities of CHO-S population transiently transfected with cationic liposomes (CL) (lipoplexes) complexed with GFP-coding plasmid DNA (pDNA)...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352074/aldosterone-sgk1-and-ion-channels-in-the-kidney
#3
REVIEW
William C Valinsky, Rhian M Touyz, Alvin Shrier
Hyperaldosteronism, a common cause of hypertension, is strongly connected to Na+, K+, and Mg2+ dysregulation. Owing to its steroidal structure, aldosterone is an active transcriptional modifier when bound to the mineralocorticoid receptor (MR) in cells expressing the enzyme 11β-hydroxysteroid dehydrogenase 2, such as those comprising the aldosterone-sensitive distal nephron (ASDN). One such up-regulated protein, the ubiquitous serum and glucocorticoid regulated kinase 1 (SGK1), has the capacity to modulate the surface expression and function of many classes of renal ion channels, including those that transport Na+ (ENaC), K+ (ROMK/BK), Ca2+ (TRPV4/5/6), Mg2+ (TRPM7/6), and Cl- (ClC-K, CFTR)...
January 31, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29351878/kinetic-studies-of-the-aop-radical-based-oxidative-and-reductive-destruction-of-pesticides-and-model-compounds-in-water
#4
Kristin K Clark, Stephen P Mezyk, Amberashley Abbott, James J Kiddle
Absolute second-order rate constants for hydroxyl radical (HO) reaction with four organophosphorus pesticides, malathion, parathion, fenthion and ethion, and a suite of model compounds of structure (EtO)2P(S)-X (where X = Cl, F, SH, SEt, OCH2CF3, OEt, NH2, and CH3) were measured using electron pulse radiolysis and transient absorption techniques. Specific values were determined for these four pesticides as k = (3.89 ± 0.28) x 109, (2.20 ± 0.15) x 109, (2.02 ± 0.15) x 109 and (2.93 ± 0...
December 30, 2017: Chemosphere
https://www.readbyqxmd.com/read/29351430/dynamic-changes-in-nitric-oxide-synthase-expression-are-involved-in-seawater-acclimation-of-rainbow-trout-oncorhynchus-mykiss
#5
Lucie Gerber, Frank B Jensen, Steffen S Madsen
Recent research has shown that nitric oxide (NO) produced by nitric oxide synthases (Nos) is an inhibitor of ion transporter activity and a modulator of epithelial ion transport in fish but little is known on changes in the Nos/NO system during osmotic stress. We hypothesized that the Nos/NO system responds to salinity changes as an integrated part of the acclimation process. Expression and localization of nos1/Nos1 and nos2/Nos2 were investigated in gill, kidney and intestine of FW- and SW-transferred trout using qPCR, Western blotting and immunohistochemistry, along with expressional changes of major ion transporters in the gill...
December 20, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29351414/the-murine-choroid-plexus-epithelium-expresses-the-2cl-h-exchanger-clc-7-and-na-h-exchanger-nhe6-in-the-luminal-membrane-domain
#6
Helle H Damkier, Henriette L Christensen, Inga B Christensen, Qi Wu, Robert A Fenton, Jeppe Praetorius
The choroid plexus epithelium within the brain ventricles secretes the majority of the cerebrospinal fluid (CSF). The luminal Na+,K+-ATPase acts in concert with a host of other transport proteins to mediate efficient fluid secretion across the epithelium. The CSF contains little protein buffer, but the pH value seems nonetheless maintained within narrow limits, even when faced with acid/base challenges. The involvement of choroid plexus acid/base transporters in CSF pH regulation is highlighted by the expression of several acid/base transporters in the epithelium...
December 20, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29351391/the-bile-acids-deoxycholic-acid-and-ursodeoxycholic-acid-regulate-colonic-epithelial-wound-healing
#7
Magdalena S Mroz, Natalia K Lajczak, Bridie J Goggins, Simon Keely, Stephen Joseph Keely
The intestinal epithelium constitutes an innate barrier which, upon injury, undergoes self-repair processes known as restitution. Although, bile acids are known as important regulators of epithelial function in health and disease, their effects on wound healing processes are not yet clear. Here we set out to investigate the effects of the colonic bile acids, deoxycholic acid (DCA) and ursodeoxycholic acid (UDCA) on epithelial restitution. Wound healing in T84 cell monolayers grown on transparent, permeable, supports was assessed over 48 hrs {plus minus} bile acids...
January 11, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29351191/anionic-water-cluster-polymers-h%C3%A2-o-18-oh-%C3%A2-n2n-is-stabilized-by-bis-2-2-bipyridine-cupric-chloride-cu-bipy-%C3%A2-cl
#8
E Liu, Fangfang Jian
Anionic water clusters have long been studied to infer properties of the bulk hydrated electron. In particular, the question of whether the excess electron is on the surface of the cluster or in the interior of the clusters has been the subject of much speculation. The successes of solid-state physics are built on exploiting the regularity of atomic arrangements in crystal. Describing the crystalline order of solids is relatively straightforward. Here we report the crystal structure of an anionic water cluster polymer [(H₂O)18(OH)₂]n2n- moiety that is stabilized by bis(2,2'-bipyridine) cupric chloride [Cu(bipy)₂Cl]- host...
January 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29351038/early-reading-abilities-of-bilingual-children-with-nonsyndromic-orofacial-clefts
#9
Michelle Heng Yue Cheong, Selena Ee-Li Young, Dawn Patricia Chuan Yu Young, Mary Lay Choo Lee, Susan Jane Rickard Liow
OBJECTIVE: To investigate the early reading abilities, and related cognitive-linguistic processes, in bilingual children with nonsyndromic cleft lip and/or palate (CL/P), and to identify deficits that might be amenable to intervention. DESIGN AND PARTICIPANTS: Bilingual participants with CL/P aged 5 to 6 years who were English-dominant ( n=17) or Mandarin-dominant ( n=18) were recruited using consecutive sampling from a national cleft treatment center and matched pairwise to a sample of typically developing (TD) children on language dominance, age, and socioeconomic status...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29351031/strengths-and-difficulties-questionnaire-sdq-informant-agreement-between-children-born-with-cleft-lip-and-or-palate-and-their-parents
#10
Susanna Memmen Bjerke, Kristin Billaud Feragen, Svein Bergvik
OBJECTIVE: Informant discrepancies on psychological measures may affect the assessment, classification, and treatment of children's mental health. Concordance between different informants has been shown to be low to moderately correlated. The present study examined the agreement between children with cleft lip and/or palate (CL/P) and their parents. DESIGN: Cross-sectional data from 7 consecutive birth cohorts based on routine psychological assessments at age 10 with comparisons to national reference groups...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29351028/female-and-male-differences-in-academic-achievement-in-individuals-with-cleft-a-population-based-register-study
#11
Martin Persson, Magnus Becker, Amy L Conrad, Henry Svensson
OBJECTIVE: The focus of this study was to determine if there is any significant difference in academic achievement for girls and boys with a cleft compared to the general population of Swedish students at graduation from compulsory school. DESIGN: A retrospective population-based study using data obtained from the Swedish Medical Birth Register that was linked to the Swedish School-Grade Register. PARTICIPANTS: Two hundred seventy girls and 241 boys with cleft palate (CP), 222 girls and 429 boys with cleft lip (CL), and 299 girls and 531 boys with cleft lip and palate (CLP) were compared with the compulsory school population comprising 609,397 girls and 640,007 boys...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350740/full-dimensional-analytical-potential-energy-surface-describing-the-gas-phase-cl-c2h6-reaction-and-kinetics-study-of-rate-constants-and-kinetic-isotope-effects
#12
Cipriano Rangel, Joaquin Espinosa-Garcia
Within the Born-Oppenheimer approximation a full-dimensional analytical potential energy surface, PES-2017, was developed for the gas-phase hydrogen abstraction reaction between the chlorine atom and ethane, which is a nine body system. This surface presents a valence-bond/molecular mechanics functional form dependent on 60 parameters and is fitted to high-level ab initio calculations. This reaction presents little exothermicity, -2.30 kcal mol-1, with a low height barrier, 2.44 kcal mol-1, and intermediate complexes in the entrance and exit channels...
January 19, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29349110/data-on-assessment-of-groundwater-quality-for-drinking-and-irrigation-in-rural-area-sarpol-e-zahab-city-kermanshah-province-iran
#13
Hamed Soleimani, Abbas Abbasnia, Mahmood Yousefi, Ali Akbar Mohammadi, Fazlollah Changani Khorasgani
In present study 30 groundwater samples were collected from Sarpol-e Zahab area, Kermanshah province of Iran in order to assess the quality of groundwater in subjected area and determining its suitability for drinking and agricultural purposes. Also the variations in the quality levels of groundwater were compared over the years of 2015 and 2016. Statistical analyses including Spearman correlation coefficients and factor analysis display good correlation between physicochemical parameters (EC, TDS and TH) and Na+, Mg2+, Ca2+, Cl- and [Formula: see text] ionic constituents...
April 2018: Data in Brief
https://www.readbyqxmd.com/read/29348058/elemental-assessment-of-vegetation-via-portable-x-ray-fluorescence-pxrf-spectrometry
#14
Candice McGladdery, David C Weindorf, Somsubhra Chakraborty, Bin Li, Laura Paulette, Dorina Podar, Delaina Pearson, Nana Yaw O Kusi, Bogdan Duda
Elemental concentrations in vegetation are of critical importance, whether establishing plant essential element concentrations (toxicity vs. deficiency) or investigating deleterious elements (e.g., heavy metals) differentially extracted from the soil by plants. Traditionally, elemental analysis of vegetation has been facilitated by acid digestion followed by quantification via inductively coupled plasma (ICP) or atomic absorption (AA) spectroscopy. Previous studies have utilized portable X-ray fluorescence (PXRF) spectroscopy to quantify elements in soils, but few have evaluated the vegetation...
January 15, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29347562/rational-extended-thermodynamics-of-a-rarefied-polyatomic-gas-with-molecular-relaxation-processes
#15
Takashi Arima, Tommaso Ruggeri, Masaru Sugiyama
We present a more refined version of rational extended thermodynamics of rarefied polyatomic gases in which molecular rotational and vibrational relaxation processes are treated individually. In this case, we need a triple hierarchy of the moment system and the system of balance equations is closed via the maximum entropy principle. Three different types of the production terms in the system, which are suggested by a generalized BGK-type collision term in the Boltzmann equation, are adopted. In particular, the rational extended thermodynamic theory with seven independent fields (ET_{7}) is analyzed in detail...
October 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346503/p53%C3%AE-a-new-prognostic-marker-for-patients-with-clear-cell-renal-cell-carcinoma-from-5-3-years-of-median-followup
#16
Haiyang Zhang, Yong Zhao, Peng Sun, Miaoqing Zhao, Zhenhui Su, Xunbo Jin, Wei Song
We previously reported six different p53 isoforms in renal cell carcinoma (RCC). In the present study, influences of p53β on recurrence-free survival (RFS) and overall survival (OS) were evaluated. Patients diagnosed with RCC in our center were into this study. mRNA expressions of p53 isoforms (p53α, p53β, p53γ) in tumors were determined by RT-PCR and real-time PCR. Functional yeast-based assay was performed to analyze p53 mutational status. p53β transfected 786-O and CAKi-1 cells were cultured to examine expressions of B-cell lymphoma 2-associated X protein (bax) and caspase-3, and ratios of apoptosis...
January 15, 2018: Carcinogenesis
https://www.readbyqxmd.com/read/29345800/haplotype-based-genotyping-by-sequencing-in-oat-genome-research
#17
Wubishet A Bekele, Charlene P Wight, Shiaoman Chao, Catherine J Howarth, Nicholas A Tinker
In a de-novo genotyping-by-sequencing (GBS) analysis of short, 64-base tag-level haplotypes in 4657 accessions of cultivated oat, we discovered 164741 tag-level (TL) genetic variants containing 241224 SNPs. From this, the marker-density of an oat consensus map was increased by the addition of more than 70000 loci. The mapped TL genotypes of a 635-line diversity panel were used to infer chromosome-level (CL) haplotype maps. These maps revealed differences in the number and size of haplotype blocks, as well as differences in haplotype diversity between chromosomes and subsets of the diversity panel...
January 18, 2018: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/29345266/efficient-interfacial-charge-transfer-through-plasmon-sensitized-ag-bi2o3-hierarchical-photoanodes-for-photoelectrocatalytic-degradation-of-chlorinated-phenols
#18
Neerugatti KrishnaRao Eswar, Sangeeta Adhikari, Praveen C Ramamurthy, Giridhar Madras
The present work demonstrates an extremely proficient and robust study of efficient interfacial charge transfer through plasmonic Ag decorated Bi2O3 hierarchical photoanodes for the photoelectrochemical treatment of chlorinated phenols. Unique 2D flake-like Bi2O3 hierarchical nanostructures were grown onto a fluorine-doped tin oxide (FTO) substrate by a simple chemical bath deposition method using triethanolamine as complexing agent. The formation of Bi2O3 on FTO was governed by the decomposition of a nucleated bismuth-hydroxyl complex (Bi2O1-x(OH)x) and modification to the electrode was carried out by the deposition of Ag via a chemical reduction method using hydrazine hydrate...
January 18, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29345220/tissue-impression-smears-as-a-supplementary-diagnostic-method-for-histopathology-in-cutaneous-leishmaniasis-in-sri-lanka
#19
Nuwani H Manamperi, M Vipula C de Silva, Nishantha Pathirana, Wimal Abeyewickreme, Nadira D Karunaweera
Cutaneous leishmaniasis (CL) is diagnosed mainly by light microscopy of smears made using lesion material. Histopathology is usually done in atypical presentations or when lesion smears are negative. Tissue impression smears (TIS) made from skin biopsy specimens were compared with histopathology for the diagnosis of CL. Out of the 111 patients included, 83 (74.8%) were positive by either methods. The TIS was positive in 70.3% whereas histopathology was positive in 56.8% of patients. Tissue impression smears can be used as a supplementary diagnostic test that gives sensitive and rapid results when tissue biopsies are used as the source of lesion material for diagnosis of CL...
January 15, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29344775/new-saliva-secretion-model-based-on-the-expression-of-na-k-pump-and-k-channels-in-the-apical-membrane-of-parotid-acinar-cells
#20
János Almássy, Elias Siguenza, Marianna Skaliczki, Klara Matesz, James Sneyd, David I Yule, Péter P Nánási
The plasma membrane of parotid acinar cells is functionally divided into apical and basolateral regions. According to the current model, fluid secretion is driven by transepithelial ion gradient, which facilitates water movement by osmosis into the acinar lumen from the interstitium. The osmotic gradient is created by the apical Cl- efflux and the subsequent paracellular Na+ transport. In this model, the Na+-K+ pump is located exclusively in the basolateral membrane and has essential role in salivary secretion, since the driving force for Cl- transport via basolateral Na+-K+-2Cl- cotransport is generated by the Na+-K+ pump...
January 17, 2018: Pflügers Archiv: European Journal of Physiology
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