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https://www.readbyqxmd.com/read/28550716/ex-vivo-measurement-of-scalp-follicular-infundibulum-delivery-of-zinc-pyrithione-and-climbazole-from-an-anti-dandruff-shampoo
#1
Guoqiang Chen, Chengdong Ji, Miao Miao, Kang Yang, Yajun Luo, Michael Hoptroff, Luisa Z Collins, Hans-Gerd Janssen
Efficient delivery of anti-dandruff (AD) actives into the scalp follicular infundibulum as well as onto the scalp surface is critical for the efficacy of AD shampoos. A method involving scalp cyanoacrylate (CA) biopsy sampling, a tailor made cutting device, ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) analysis, scanning electron microscopy (SEM) measurement and Raman imaging has been developed for the measurement of delivery of zinc pyrithione (ZPT) and climbazole (CBZ) from an AD shampoo into the scalp follicular infundibulum...
May 17, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28550677/mineral-profile-of-children-s-fast-food-menu-samples
#2
Maria Luisa Cervera, Miguel de la Guardia, Manuela Ruiz-de-Cenzano, Arancha Rochina-Marco, Óscar López-Salazar
Children's fast food menus, including hamburgers served with french fries, dessert, and a soft drink, were analyzed to obtain the mineral profile of trace elements. The developed analytical methodology involved sample digestion under pressure inside a microwave oven with a mixture of HNO₃ and H₂O₂ and inductively coupled plasma-optical emission spectrometry. The method was validated by carrying out the analysis of certified reference materials (NIST 1570a spinach leaves, NCS ZC73016 chicken, and NIST 1568a rice flour) and using recovery experiments...
May 26, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28550244/apoe-%C3%AE%C2%B54-modulation-of-training-outcomes-in-several-cognitive-domains-in-a-sample-of-cognitively-intact-older-adults
#3
Ramón López-Higes, Inmaculada C Rodríguez-Rojo, José M Prados, Pedro Montejo, David Del-Río, María Luisa Delgado-Losada, Mercedes Montenegro, David López-Sanz, Ana Barabash
BACKGROUND: Most research points to the ɛ4 allele of the apolipoprotein E (APOE) gene as the most recognizable genetic risk factor associated with Alzheimer's disease pathogenesis. It has been also suggested that the APOEɛ4 allele has a negative influence on cognitive functioning, which begins long before cognitive impairment becomes manifest. However, still, little is known about the APOEɛ4 interaction with cognitive intervention programs. OBJECTIVE: The main goal of this study was to explore whether there was a differential APOE genotype modulation effect after cognitive training in different domains, such as language comprehension, executive functions, and memory...
May 25, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28549586/critical-role-of-hla-dr%C3%AE-binding-peptides-peripheral-flanking-residues-in-fully-protective-malaria-vaccine-development
#4
César Reyes, Rocío Rojas-Luna, Jorge Aza-Conde, Luisa Tabares, Manuel A Patarroyo, Manuel E Patarroyo
A vaccine candidate component must fit perfectly into the antigen presenting HLA-DRβ* molecule's groove (or canonical nonapeptide) peptide binding region (PBR) during antigen presentation for proper presentation to the T-cell receptor (TCR), conforming a specific and stable macromolecular complex and induce an appropriate immune response. Antigen's peripheral flanking residues (PFR, positions (p) -p2 and p10) must thus establish strong interactions with the HLA-DRβ* - TCR complex. These amino acids (aa) have specific physico-chemical characteristics enabling differentiation between non-protective but antibody-inducer (NPAI), short-lived protection inducer (SLPI) and long-lasting protection inducer (LLPI) peptides when used as an antimalarial vaccine component...
May 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28549176/effect-of-temperature-on-the-survival-and-development-of-three-forensically-relevant-dermestes-species-coleoptera-dermestidae
#5
Daniel Martín-Vega, Luisa M Díaz-Aranda, Arturo Baz, Blanca Cifrián
La mayoría de las especies del género Dermestes (Coleoptera: Dermestidae) son carroñeras durante la fase larvaria y la fase adulta, con preferencia por la materia orgánica seca. Debido a esto, los derméstidos son indicadores potencialmente útiles en las investigaciones forenses que impliquen restos humanos momificados y/o esqueléticos. Lamentablemente, los datos de referencia sobre el desarrollo de la mayoría de las especies de Dermestes de relevancia forense son escasos. Este estudio analiza el efecto de cinco temperaturas constantes (15, 20, 25, 30 y 35 °C) sobre la supervivencia y la tasa de desarrollo de tres de los derméstidos de mayor relevancia forense: Dermestes frischii Kugelan, Dermestes maculatus De Geer y Dermestes undulatus Brahm...
May 26, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28548670/oxocomplexes-of-u-vi-with-8-hydroxyquinoline-5-sulfonate-in-solution-structural-studies-and-photophysical-behaviour
#6
M Luísa Ramos, Licínia L G Justino, Rui Barata, Telma Costa, Bernardo A Nogueira, Rui Fausto, Hugh D Burrows
Multinuclear ((1)H and (13)C) NMR, and Raman spectroscopy, combined with DFT calculations, provide detailed information on the complexation between U(vi) oxoions and 8-hydroxyquinoline-5-sulfonate (8-HQS) in aqueous solution. Over the concentration region studied, U(vi) oxoions (uranyl ions) form one dominant complex with 8-HQS in water in the pH range 3-6, a mononuclear 1 : 2 (metal : ligand) complex, with the metal centre (UO2(2+)) coordinated to two 8-HQS ligands, together with one or more water molecules...
May 26, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28547007/rapid-self-healing-and-anion-selectivity-in-metallosupramolecular-gels-assisted-by-fluorine-fluorine-interactions
#7
Leticia Arnedo-Sánchez, Nonappa, Sandip Bhowmik, Sami Hietala, Rakesh Puttreddy, Manu Lahtinen, Luisa De Cola, Kari Rissanen
Simple ML2 [M = Fe(ii), Co(ii), Ni(ii)] complexes obtained from a perfluoroalkylamide derivative of 4-aminophenyl-2,2',6,2'-terpyridine spontaneously, yet anion selectively, self-assemble into gels, which manifest an unprecedented rapid gel strength recovery, viz. self-healing, and thermal rearrangement in aqueous dimethyl sulfoxide. The key factor for gelation and rheological properties emerges from the fluorine-fluorine interactions between the perfluorinated chains, as the corresponding hydrocarbon derivative did not form metallogels...
May 26, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28546570/corrigendum-nans-mediated-synthesis-of-sialic-acid-is-required-for-brain-and-skeletal-development
#8
Clara D M van Karnebeek, Luisa Bonafé, Xiao-Yan Wen, Maja Tarailo-Graovac, Sara Balzano, Beryl Royer-Bertrand, Angel Ashikov, Livia Garavelli, Isabella Mammi, Licia Turolla, Catherine Breen, Dian Donnai, Valerie Cormier, Delphine Heron, Gen Nishimura, Shinichi Uchikawa, Belinda Campos-Xavier, Antonio Rossi, Thierry Hennet, Koroboshka Brand-Arzamendi, Jacob Rozmus, Keith Harshman, Brian J Stevenson, Enrico Girardi, Giulio Superti-Furga, Tammie Dewan, Alissa Collingridge, Jessie Halparin, Colin J Ross, Margot I Van Allen, Andrea Rossi, Udo F Engelke, Leo A J Kluijtmans, Ed van der Heeft, Herma Renkema, Arjan de Brouwer, Karin Huijben, Fokje Zijlstra, Thorben Heisse, Thomas Boltje, Wyeth W Wasserman, Carlo Rivolta, Sheila Unger, Dirk J Lefeber, Ron A Wevers, Andrea Superti-Furga
No abstract text is available yet for this article.
May 26, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28546434/behavioral-deficits-following-withdrawal-from-chronic-ethanol-are-influenced-by-slo-channel-function-in-caenorhabditis-elegans
#9
Luisa L Scott, Scott J Davis, Rachel C Yen, Greg J Ordemann, Sarah K Nordquist, Deepthi Bannai, Jonathan T Pierce
Symptoms of withdrawal from chronic alcohol use are a driving force for relapse in alcohol dependence. Thus, uncovering molecular targets to lessen their severity is key to breaking the cycle of dependence. Using the nematode Caenorhabditis elegans, we tested whether one highly conserved ethanol target, the large-conductance, calcium-activated potassium channel (known as the BK channel or Slo1), modulates ethanol withdrawal. Consistent with a previous report, we found that C. elegans displays withdrawal-related behavioral impairments after cessation of chronic ethanol exposure...
May 25, 2017: Genetics
https://www.readbyqxmd.com/read/28545405/genetic-complexity-of-miscanthus-cell-wall-composition-and-biomass-quality-for-biofuels
#10
Tim van der Weijde, Claire L Alvim Kamei, Edouard I Severing, Andres F Torres, Leonardo D Gomez, Oene Dolstra, Chris A Maliepaard, Simon J McQueen-Mason, Richard G F Visser, Luisa M Trindade
BACKGROUND: Miscanthus sinensis is a high yielding perennial grass species with great potential as a bioenergy feedstock. One of the challenges that currently impedes commercial cellulosic biofuel production is the technical difficulty to efficiently convert lignocellulosic biomass into biofuel. The development of feedstocks with better biomass quality will improve conversion efficiency and the sustainability of the value-chain. Progress in the genetic improvement of biomass quality may be substantially expedited by the development of genetic markers associated to quality traits, which can be used in a marker-assisted selection program...
May 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28544282/timing-is-everything
#11
EDITORIAL
Maria-Luisa Alegre
No abstract text is available yet for this article.
June 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28544130/adaptation-of-a-scale-to-measure-coping-strategies-in-informal-primary-caregivers-a-case-of-validation-with-small-samples
#12
Francisco Javier Rosas-Santiago, María Luisa Marván Garduño, Roberto Lagunes-Córdoba
BACKGROUND: The recovery process of a psychiatric patient is related to his primary informal caregiver's style of coping with stress. There is insufficient literature on validations of instruments that measure coping styles in this population. OBJECTIVE: To adapt and validate a scale to measure coping strategies in primary informal caregivers. METHOD: The adapted scale was based on the Extreme Coping Scale of López-Vázquez and Marván. Items from that scale were adapted for application to informal caregivers...
May 25, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/28543872/pai-1-gain-of-function-genotype-factors-increasing-pai-1-levels-and-airway-obstruction-the-gala-ii-cohort
#13
Michael G Sherenian, Seong H Cho, Albert Levin, Jin-Young Min, Sam S Oh, Donglei Hu, Joshua Galanter, Saunak Sen, Scott Huntsman, Celeste Eng, Jose R Rodriguez-Santana, Denise Serebrisky, Pedro C Avila, Ravi Kalhan, Lewis J Smith, Luisa N Borrell, Max A Seibold, L Keoki Williams, Esteban G Burchard, Rajesh Kumar
BACKGROUND: PAI-1 gain of function variants promote airway fibrosis, and are associated with asthma and with worse lung function in subjects with asthma. OBJECTIVE: We sought to determine if the association of a gain-of-function polymorphism in Plasminogen Activator Inhibitor -1 (PAI-1) with airway obstruction is modified by asthma status, and whether any genotype effect persists after accounting for common exposures that increase PAI-1 level. METHODS: We studied 2070 Latino children (8-21y) with genotypic and pulmonary function data from the GALA II cohort...
May 24, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28543704/comparison-of-2-vs-3-dimensional-fracture-mapping-strategies-for-3-dimensional-computerized-tomography-reconstructions-of-scapula-neck-body-fractures
#14
Anthony J Dugarte, Luisa Tkany, Lisa K Schroder, Andreas Petersik, Peter A Cole
Fracture mapping has been used in the understanding of injury patterns in different bones. To our knowledge, there are no applications of this technique using three-dimensional (3D) morphologic fracture characteristics. Previously, scapula fractures were mapped by transferring information from 3D computed tomography to a two-dimensional (2D) template. Cole et al. determined that 3D Computerized Tomography (CT) scans were more reliable compared to plain radiographs in terms of scapular angulation, translation, and glenopolar angle measurements...
May 19, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28543170/specific-activation-of-cd4-cd8-double-negative-t-cells-by-t-cruzi-derived-glycolipids-induces-a-pro-inflammatory-profile-associated-with-cardiomyopathy-in-chagas-patients
#15
Lívia Silva Araújo Passos, Luísa Mourão Dias Magalhães, Rodrigo Pedro Soares, Alexandre F Marques, Maria do Carmo Pereira Nunes, Kenneth J Gollob, Walderez Ornelas Dutra
Cardiomyopathy is the most severe outcome of Chagas disease, causing over 12,000 deaths/year. Immune cells participate in cardiomyopathy development either by direct tissue destruction, or by driving inflammation. We have shown that CD4-CD8- (double negative - DN) T cells are major sources of inflammatory and anti-inflammatory cytokines, associated with the cardiac (CARD) and indeterminate (IND) forms of Chagas disease, respectively. Here, we sought to identify Trypanosoma cruzi derived components that lead to activation of DN T cells in Chagas patients...
May 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28542918/multisite-external-validation-of-a-risk-prediction-model-for-the-diagnosis-of-blood-stream-infections-in-febrile-pediatric-oncology-patients-without-severe-neutropenia
#16
Adam J Esbenshade, Zhiguo Zhao, Catherine Aftandilian, Raya Saab, Rachel L Wattier, Melissa Beauchemin, Tamara P Miller, Jennifer J Wilkes, Michael J Kelly, Alison Fernbach, Michael Jeng, Cindy L Schwartz, Christopher C Dvorak, Yu Shyr, Karl G M Moons, Maria-Luisa Sulis, Debra L Friedman
BACKGROUND: Pediatric oncology patients are at an increased risk of invasive bacterial infection due to immunosuppression. The risk of such infection in the absence of severe neutropenia (absolute neutrophil count ≥ 500/μL) is not well established and a validated prediction model for blood stream infection (BSI) risk offers clinical usefulness. METHODS: A 6-site retrospective external validation was conducted using a previously published risk prediction model for BSI in febrile pediatric oncology patients without severe neutropenia: the Esbenshade/Vanderbilt (EsVan) model...
May 23, 2017: Cancer
https://www.readbyqxmd.com/read/28542565/promiscuous-signaling-by-a-regulatory-system-unique-to-the-pandemic-pmen1-pneumococcal-lineage
#17
Anagha Kadam, Rory A Eutsey, Jason Rosch, Xinyu Miao, Mark Longwell, Wenjie Xu, Carol A Woolford, Todd Hillman, Anfal Shakir Motib, Hasan Yesilkaya, Aaron P Mitchell, N Luisa Hiller
Streptococcus pneumoniae (pneumococcus) is a leading cause of death and disease in children and elderly. Genetic variability among isolates from this species is high. These differences, often the product of gene loss or gene acquisition via horizontal gene transfer, can endow strains with new molecular pathways, diverse phenotypes, and ecological advantages. PMEN1 is a widespread and multidrug-resistant pneumococcal lineage. Using comparative genomics we have determined that a regulator-peptide signal transduction system, TprA2/PhrA2, was acquired by a PMEN1 ancestor and is encoded by the vast majority of strains in this lineage...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28541777/multidimensional-determinants-of-the-caregiving-burden-among-chinese-male-caregivers-of-older-family-members-in-hong-kong
#18
Xue Bai, Chang Liu, Luisa Baladon, Maria Rubio-Valera
OBJECTIVES: The objective of this study was to examine multidimensional determinants of the caregiving burden among Chinese male caregivers of older family members in Hong Kong. Based on a modified stress process model, this study explored how background and contextual factors (demographic characteristics and mental health status of caregivers, caregiving-related factors, and support and services), primary stressors (degree of care dependency and special care needs), and secondary stressors (self-efficacy and gender role conflict) might affect the caregiving burden among male caregivers...
May 25, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28541707/identification-of-a-potent-selective-and-efficacious-phosphatidylinositol-3-kinase-%C3%AE-pi3k%C3%AE-inhibitor-for-the-treatment-of-immunological-disorders
#19
Qingjie Liu, Qing Shi, David Marcoux, Douglas G Batt, Lyndon Cornelius, Lan-Ying Qin, Zheming Ruan, James Neels, Myra Beaudoin Bertrand, Anurag S Srivastava, Ling Li, Robert Joseph Cherney, Hua Gong, Scott H Watterson, Carolyn Weigelt, Kathleen M Gillooly, Kim W McIntyre, Jenny H Xie, Mary T Obermeier, Aberra Fura, Bogdan Sleczka, Kevin Stefanski, R Marcus Fancher, Shweta Padmanabhan, Thatipamula Rp, Ipsit Kundu, Kallem Rajareddy, Rodney Smith, James K Hennan, Dezhi Xing, Jingsong Fan, Paul C Levesque, Qian Ruan, Sidney Pitt, Rosemary Zhang, Donna Pedicord, Jie Pan, Melissa Yarde, Hao Lu, Jonathan Lippy, Christine Goldstine, Stacey Skala, Richard A Rampulla, Arvind Mathur, Anuradha Gupta, Pirama Nayagam Arunachalam, John S Sack, Jodi K Muckelbauer, Mary Ellen Cvijic, Luisa M Salter-Cid, Rajeev S Bhide, Michael A Poss, John Hynes, Percy H Carter, John E Macor, Stefan Ruepp, Gary L Schieven, Joseph A Tino
PI3Kδ plays an important role controlling immune cell function and has therefore been identified as a potential target for the treatment of immunological disorders. This article highlights our work towards the identification of a potent, selective, and efficacious PI3Kδ inhibitor. Through careful SAR, the successful replacement of a polar pyrazole group by a simple chloro or trifluoromethyl group led to improved Caco-2 permeability, reduced Caco-2 efflux, reduced hERG PC activity, and increased selectivity profile while maintaining potency in the CD69 hWB assay...
May 25, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28541193/analysis-of-energy-based-metrics-for-laparoscopic-skills-assessment
#20
Behnaz Poursartip, Marie-Eve LeBel, Rajni Patel, Michael Naish, Ana Luisa Trejos
OBJECTIVE: The complexity of Minimally Invasive Surgery (MIS) requires that trainees practice MIS skills in numerous training sessions. The goal of these training sessions is to learn how to move the instruments smoothly without damaging the surrounding tissue and achieving operative tasks with accuracy. In order to enhance the efficiency of these training sessions, the proficiency of the trainees should be assessed using an objective assessment method. Several performance metrics have been proposed and analyzed for MIS tasks...
May 19, 2017: IEEE Transactions on Bio-medical Engineering
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