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Pranab K Mukherjee, Frank Esper, Ken Buchheit, Karen Arters, Ina Adkins, Mahmoud A Ghannoum, Robert A Salata
BACKGROUND: Current prevention options for upper respiratory infections (URIs) are not optimal. We conducted a randomized, double-blinded, placebo-controlled pilot clinical trial to evaluate the safety and efficacy of ARMS-I™ (currently marketed as Halo™) in the prevention of URIs. METHODS: ARMS-I is patented novel formulation for the prevention and treatment of influenza, comprising a broad-spectrum antimicrobial agent (cetylpyridinium chloride, CPC) and components (glycerin and xanthan gum) that form a barrier on the host mucosa, thus preventing viral contact and invasion...
January 14, 2017: BMC Infectious Diseases
Ichrak Dridi, Wafa Ben-Cherif, Hassiba Chahdoura, Zohra Haouas, Mossadok Ben-Attia, Karim Aouam, Alain Reinberg, Naceur A Boughattas
This study investigates whether the toxicity in kidneys as well as oxidative stress varied according to the dosing time of an immunosuppressive agent "mycophenolate mofetil (MMF)" in Wistar Rat. 300mg/kg of MMF was injected by intraperitonal at four different circadian stages (1, 7, 13 and 19h after light onset, HALO). Rats were sacrificed after 3days, and the kidneys were removed for determination of oxidative stress and histological analysis. Biochemical variable (creatinine, urea) was performed. Statistical analysis showed that MMF administration at 7 HALO produced a renal toxicity assessed by the significant increase in both blood creatinine and urea and antioxidant activity assessed by malondialdehyde and protein carbonyl levels indicating an induction of lipid peroxidation in oxidative damage...
January 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Derek Yiren Ong, Ciputra Tejo, Kai Xu, Hajime Hirao, Shunsuke Chiba
A simple protocol for hydrodebromination and -deiodination of halo(hetero)arenes was enabled by sodium hydride (NaH) in the presence of lithium iodide (LiI). Mechanistic studies showed that an unusual concerted nucleophilic aromatic substitution operates in the present process.
January 10, 2017: Angewandte Chemie
P Stipanović, L Vranješ Markić, D Zarić, J Boronat
Weakly bound triatomic molecules consisting of two helium atoms and one alkali metal atom are studied by means of the diffusion Monte Carlo method. We determined the stability of (4)He2A, (4)He(3)HeA, and (3)He2A, where A is one of the alkali atoms Li, Na, K, Rb, or Cs. Some of the trimers with (3)He are predicted to be self-bound for the first time, but this is observed to be dependent on the He-A interaction potential model. In addition to the ground-state energy of the trimers, we determined their density, radial, and angular distributions...
January 7, 2017: Journal of Chemical Physics
Berna Solak, Bahar Sevimli Dikicier, Nur C Cosansu, Teoman Erdem
In patients with vitiligo, the clinical and laboratory features of the disease may vary according to time of onset. This is addressed in the literature by only a few studies with conflicting results. The aim of this study was to determine the demographic and clinical features of patients with non-segmental vitiligo and to establish the association between vitiligo and autoimmune diseases with a focus on time of disease onset. A total of 224 vitiligo patients for whom complete medical records were available were evaluated retrospectively...
January 4, 2017: International Journal of Dermatology
S Bajada, A Ved, A G Dudhniwala, S Ahuja
AIMS: Rates of mortality as high as 25% to 30% have been described following fractures of the odontoid in the elderly population. The aim of this study was to examine whether easily identifiable variables present on admission are associated with mortality. PATIENTS AND METHODS: A consecutive series of 83 elderly patients with a fracture of the odontoid following a low-impact injury was identified retrospectively. Data that were collected included demographics, past medical history and the results of blood tests on admission...
January 2017: Bone & Joint Journal
Rafael Nunes, Paulo Jorge Costa
The interaction of 2-halo-functionalized imidazolium derivatives (n-X+, X = Cl, Br, I) with chloride anion via ion-pair halogen bonds (n-X∙Cl) was studied by means of DFT and ab initio calculations. A method benchmark was performed on 2-bromo-1H-imidazol-3-ium in association with chloride (1-Br∙Cl), MP2 yielding the best results when compared with CCSD(T) calculations. The interaction energies in the gas-phase are high and, although the electrostatic interaction is strong owing to the ion-pair nature of the system, large X∙∙∙Cl- Wiberg Bond orders and contributions from charge transfer (nCl- --> σ* C-X) are obtained...
January 3, 2017: Chemistry, An Asian Journal
J Saini, S St James, E Traneus, T Wong, R Stewart, C Bloch
PURPOSE: Compare proton pencil beam scanning dose measurements to GATE/GEANT4 (GMC) and RayStation™ Monte Carlo (RMC) simulations. METHODS: Proton pencil beam models of the IBA gantry at the Seattle Proton Therapy Center were developed in the GMC code system and a research build of the RMC. For RMC, a preliminary beam model that does not account for upstream halo was used. Depth dose and lateral profiles are compared for the RMC, GMC and a RayStation™ pencil beam dose (RPB) model for three spread out Bragg peaks (SOBPs) in homogenous water phantom...
June 2016: Medical Physics
S Hirayama, R Fujimoto
PURPOSE: The purpose was to demonstrate a developed acceleration technique of dose optimization and to investigate its applicability to the optimization process in a treatment planning system (TPS) for proton therapy. METHODS: In the developed technique, the dose matrix is divided into two parts, main and halo, based on beam sizes. The boundary of the two parts is varied depending on the beam energy and water equivalent depth by utilizing the beam size as a singular threshold parameter...
June 2016: Medical Physics
Zhongheng Zhang, Sven Van Poucke
Citations for randomized controlled trials (RCT) are important for the dissemination of study results. However, predictors of citations for RCTs have not been investigated. The study aimed to investigate the predictors of citations for RCTs in sepsis literature. RCTs that investigated the efficacy of treatment strategies on clinical outcomes in sepsis patients were included, and publication dates were restricted to the period from 2000 to 2016. Risk of bias was assessed using the Cochrane handbook for systematic reviews and interventions...
2017: PloS One
Kátia Andrea de Menezes Torres, Sônia Maria Rolim Rosa Lima, Suely Mitoi Ykko Ueda
Objectives To evaluate the antifungal susceptibility profile of the aqueous extract of the bark of Schinus terebinthifolius Raddi against the strains of the genus Candida. Methods By using the disk diffusion method, 50 samples of the genus Candida (Candida albicans; Candida krusei; Candida glabrata; and Candida tropicalis), isolated from patients receiving treatment at Hospital Santa Casa de Misericórdia de São Paulo, and 1 American Type Culture Collection (ATCC) sample of each species were tested against: the isolated aqueous extract of the bark of Schinus terebinthifolius Raddi, isolated nystatin, and the association of nystatin and the aqueous extract of Schinus terebinthifolius Raddi...
December 30, 2016: Revista Brasileira de Ginecologia e Obstetrícia
M A Nayel, O G Shaker, A N Hosni, H N Hosni, S E Khalifa, A F Shazly
OBJECTIVES: In Northern Africa, the region Egypt belongs to, about 10.7% of women are estimated to harbour cervical human papillomavirus (HPV) infection and 78.4% of invasive cancers are attributed to HPVs 16 or 18. We aimed at comparing HPV detection by ISH-PCR tissue with other conventional available cheaper techniques, finding which of them can be relied upon in a developing country like Egypt for HPV detection. METHODS: Sixty patients were included. For them colposcopy, PAP smear, histopathology and detection of HPV using ISH PCR tissue and PCR swab were achieved...
December 2016: Malaysian Journal of Pathology
Srishti Chawla, Debasree Kundu, Anmoldeep Randhawa, Alok K Mondal
The highly conserved family of Phosphoprotein phosphatases (PPP) regulates several major physiological processes in yeast. However, very little is known about the PPP orthologs from the yeast species inhabiting extreme environmental niches. In the present study we have identified DhSIT4, a member of PPP6 class of serine threonine phosphatases from the halotolerant yeast Debaryomyces hansenii. Deletion of DhSIT4 in D. hansenii was not lethal but the mutant exhibited reduced growth due to its effect on the cell cycle...
December 24, 2016: Gene
Feng-Yang Zheng, Qing Lu, Bei-Jian Huang, Han-Sheng Xia, Li-Xia Yan, Xi Wang, Wei Yuan, Wen-Ping Wang
OBJECTIVES: To investigate the correlation between the imaging features obtained by an automated breast volume scanner (ABVS) and molecular subtypes of breast cancer. METHODS: We examined 303 malignant breast tumours by ABVS for specific imaging features and by immunohistochemical analysis to determine the molecular subtype. ABVS imaging features, including retraction phenomenon, shape, margins, echogenicity, post-acoustic features, echogenic halo, and calcifications were analysed by univariate and multivariate logistic regression analyses to determine the significant predictive factors of the molecular subtypes...
January 2017: European Journal of Radiology
Angelo Calci, Petr Navrátil, Robert Roth, Jérémy Dohet-Eraly, Sofia Quaglioni, Guillaume Hupin
The weakly bound exotic ^{11}Be nucleus, famous for its ground-state parity inversion and distinct n+^{10}Be halo structure, is investigated from first principles using chiral two- and three-nucleon forces. An explicit treatment of continuum effects is found to be indispensable. We study the sensitivity of the ^{11}Be spectrum to the details of the three-nucleon force and demonstrate that only certain chiral interactions are capable of reproducing the parity inversion. With such interactions, the extremely large E1 transition between the bound states is reproduced...
December 9, 2016: Physical Review Letters
Anna Daria, Alessio Colombo, Gemma Llovera, Heike Hampel, Michael Willem, Arthur Liesz, Christian Haass, Sabina Tahirovic
Alzheimer's disease (AD) is characterized by deposition of amyloid plaques, neurofibrillary tangles, and neuroinflammation. In order to study microglial contribution to amyloid plaque phagocytosis, we developed a novel ex vivo model by co-culturing organotypic brain slices from up to 20-month-old, amyloid-bearing AD mouse model (APPPS1) and young, neonatal wild-type (WT) mice. Surprisingly, co-culturing resulted in proliferation, recruitment, and clustering of old microglial cells around amyloid plaques and clearance of the plaque halo...
December 21, 2016: EMBO Journal
Ivana Cavello, Agustín Albanesi, Dante Fratebianchi, Gabriela Garmedia, Silvana Vero, Sebastián Cavalitto
One hundred and three yeasts isolated from soil samples from King George Island and Tierra del Fuego province were screened in relation with their capability to produce pectinolytic enzymes. Although all the yeasts showed well-developed colonies at 20 °C, only eight showed a clear halo around the colony, indicative of pectin degradation. A secondary screening demonstrated that only four yeasts were capable to produce pectinases at low temperatures (8 °C). It could be seen that the selected yeasts were able to grow and produce high levels of polygalacturonase activity when submerged fermentations were performed using pectin-containing fruit wastes as substrates...
December 21, 2016: Extremophiles: Life Under Extreme Conditions
Jelena Lovrić, Johan Dunevall, Anna Larsson, Lin Ren, Shalini Andersson, Anders Meibom, Per Malmberg, Michael E Kurczy, Andrew G Ewing
We report an approach to spatially resolve the content across nanometer neuroendocrine vesicles in nerve-like cells by correlating super high-resolution mass spectrometry imaging, NanoSIMS, with transmission electron microscopy (TEM). Furthermore, intracellular electrochemical cytometry at nanotip electrodes is used to count the number of molecules in individual vesicles to compare to imaged amounts in vesicles. Correlation between the NanoSIMS and TEM provides nanometer resolution of the inner structure of these organelles...
December 27, 2016: ACS Nano
Frédéric Beugnet, Lénaïg Halos, Wilfried Lebon, Julian Liebenberg
This study was conducted to assess the prevention of egg laying and the inhibition of the emergence of the cat flea (Ctenocephalides felis) resulting from the application of a combination of fipronil and permethrin (Frontline Tri-Act(®)/Frontect(®), Merial) on dogs. Sixteen healthy dogs were included after pre-treatment live flea counts and randomly allocated to two groups. Eight dogs served as untreated controls and 8 dogs were treated on Day 0 and Day 30 with topical application of fipronil/permethrin at the minimum dose of 6...
2016: Parasite: Journal de la Société Française de Parasitologie
Fabio Torregrossa, Giovanni Grasso
No abstract text is available yet for this article.
October 27, 2016: World Neurosurgery
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