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https://www.readbyqxmd.com/read/29778000/anxiety-moderates-the-effects-of-stressor-controllability-and-cognitive-reappraisal-on-distress-following-aversive-exposure-an-experimental-investigation
#1
Lillian Le, Michelle Moulds, Angela Nickerson
BACKGROUND AND OBJECTIVES: Emerging evidence suggests that the effectiveness of cognitive reappraisal (CR) depends on different factors, including the individual's psychological wellbeing (e.g., level of anxiety) and the context in which the strategy is used (e.g., stressor controllability). The present study aimed to investigate the emotional (negative affect) and physiological (skin conductance levels) effects of emotion regulation following exposure to controllable versus uncontrollable stress...
May 8, 2018: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/29777987/phthalocyanine-sulfonamide-conjugates-synthesis-and-photodynamic-inactivation-of-gram-negative-and-gram-positive-bacteria
#2
Raquel Nunes da Silva, Ângela Cunha, Augusto C Tomé
Phthalocyanines bearing four or eight sulfonamide units were synthesized and their efficiency in the photodynamic inactivation of Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria was evaluated. Conjugates with simpler sulfonamide units (N,N-diethylbenzenesulfonamide, N-isopropylbenzenesulfonamide and N-(4-methoxyphenyl)benzenesulfonamide) caused stronger inactivation than those with heterocyclic groups (N-(thiazol-2-yl)benzenesulfonamide) or long alkyl chains (N-dodecylbenzenesulfonamide) in both bacteria...
May 9, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29777855/polymer-lipid-hybrid-nanoparticles-as-enhanced-indomethacin-delivery-systems
#3
Annalisa Dalmoro, Sabrina Bochicchio, Shamil F Nasibullin, Paolo Bertoncin, Gaetano Lamberti, Anna Angela Barba, Rouslan I Moustafine
Non-steroidal anti-inflammatory drugs (NSAIDs), i.e. indomethacin used for rheumatoid arthritis and non-rheumatoid inflammatory diseases, are known for their injurious actions on the gastrointestinal (GI) tract. Mucosal damage can be avoided by using nanoscale systems composed by a combination of liposomes and biodegradable natural polymer, i.e. chitosan, for enhancing drug activity. Aim of this study was to prepare chitosan-lipid hybrid delivery systems for indomethacin dosage through a novel continuous method based on microfluidic principles...
May 16, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29777131/activity-of-acetyltransferase-toxins-involved-in-salmonella-persister-formation-during-macrophage-infection
#4
Julian A Rycroft, Bridget Gollan, Grzegorz J Grabe, Alexander Hall, Angela M Cheverton, Gerald Larrouy-Maumus, Stephen A Hare, Sophie Helaine
Non-typhoidal Salmonella strains are responsible for invasive infections associated with high mortality and recurrence in sub-Saharan Africa, and there is strong evidence for clonal relapse following antibiotic treatment. Persisters are non-growing bacteria that are thought to be responsible for the recalcitrance of many infections to antibiotics. Toxin-antitoxin systems are stress-responsive elements that are important for Salmonella persister formation, specifically during infection. Here, we report the analysis of persister formation of clinical invasive strains of Salmonella Typhimurium and Enteritidis in human primary macrophages...
May 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29777033/sequential-binding-of-ezrin-and-moesin-to-l-selectin-regulates-monocyte-protrusive-behaviour-during-transmigration
#5
Angela Rey-Gallardo, Hannah Tomlins, Justin Joachim, Izajur Rahman, Phoebe Kitscha, Karen Frudd, Maddy Parsons, Aleksandar Ivetic
Leukocyte transendothelial migration (TEM) is absolutely fundamental to the inflammatory response, involving initial pseudopod protrusion and subsequent polarised migration across inflamed endothelium. Ezrin/radixin/moesin (ERM) proteins are expressed in leukocytes and mediate cell shape change and polarity. The spatio-temporal organisation of ERM with their targets, and their individual contribution to protrusion during TEM, has never been explored. Here we show that blocking PIP2 binding reduces C-terminal phosphorylation of moesin during monocyte TEM, and that on/off cycling of ERM activity is essential for pseudopod protrusion into the subendothelial space...
May 18, 2018: Journal of Cell Science
https://www.readbyqxmd.com/read/29776991/inversion-variants-in-human-and-primate-genomes
#6
Claudia Rita Catacchio, Flavia Angela Maria Maggiolini, Pietro D'Addabbo, Miriana Bitonto, Oronzo Capozzi, Martina Lepore Signorile, Mattia Miroballo, Nicoletta Archidiacono, Evan E Eichler, Mario Ventura, Francesca Antonacci
For many years, inversions have been proposed to be a direct driving force in speciation since they suppress recombination when heterozygous. Inversions are the most common large-scale differences among humans and great apes. Nevertheless, they represent large events easily distinguishable by classical cytogenetics, whose resolution, however, is limited. Here, we performed a genome-wide comparison between human, great ape, and macaque genomes using the net alignments for the most recent releases of genome assemblies...
May 18, 2018: Genome Research
https://www.readbyqxmd.com/read/29776969/identifying-genetic-players-in-cell-sheet-morphogenesis-using-a-drosophila-deficiency-screen-for-genes-on-chromosome-2r-involved-in-dorsal-closure
#7
Richard D Mortensen, Regan P Moore, Stephanie M Fogerson, Hellen Y Chiou, Chimdindu V Obinero, Neel K Prabhu, Angela H Wei, Janice M Crawford, Daniel P Kiehart
Cell sheet morphogenesis characterizes key developmental transitions and homeostasis, in vertebrates and throughout phylogeny, including gastrulation, neural tube formation and wound healing. Dorsal closure, a process during Drosophila embryogenesis, has emerged as a model for cell sheet morphogenesis. ∼140 genes are currently known to affect dorsal closure and new genes are identified each year. Many of these genes were identified in screens that resulted in arrested development. Dorsal closure is remarkably robust and many questions regarding the molecular mechanisms involved in this complex biological process remain...
May 18, 2018: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29776574/incidence-of-bleeding-in-patients-with-atrial-fibrillation-and-advanced-liver-fibrosis-on-treatment-with-vitamin-k-or-non-vitamin-k-antagonist-oral-anticoagulants
#8
Daniele Pastori, Gregory Y H Lip, Alessio Farcomeni, Francesco Del Sole, Angela Sciacqua, Francesco Perticone, Rossella Marcucci, Elisa Grifoni, Pasquale Pignatelli, Francesco Violi
OBJECTIVES: To investigate the incidence of bleeding events in atrial fibrillation (AF) patients treated with vitamin K (VKAs) or non-vitamin K antagonist oral anticoagulants (NOACs) screened for the presence of liver fibrosis (LF). BACKGROUND: Previous studies provided conflicting results on bleeding risk in AF patients with liver disease on VKAs, and no data on NOACs in this setting are available. METHODS: Post-hoc analysis of a prospective, observational multicentre study including 2330 AF outpatients treated with VKAs (n = 1297) or NOACs (n = 1033)...
August 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29776561/circulating-micrornas-as-emerging-cardiac-biomarkers-responsive-to-acute-exercise
#9
David de Gonzalo-Calvo, Alberto Dávalos, Manuel Fernández-Sanjurjo, Laura Amado-Rodríguez, Susana Díaz-Coto, Cristina Tomás-Zapico, Ana Montero, Ángela García-González, Vicenta Llorente-Cortés, Maria Eugenia Heras, Araceli Boraita Pérez, Ángel E Díaz-Martínez, Natalia Úbeda, Eduardo Iglesias-Gutiérrez
BACKGROUND: Circulating microRNAs (c-miRNAs) are mediators of intercellular communication with great potential as cardiac biomarkers. The analysis of c-miRNAs in response to physiological stress, such as exercise, would provide valuable information for clinical practice and a deeper understanding of the molecular response to physical activity. Here, we analysed for the first time the acute exercise response of c-miRNAs reported as biomarkers of cardiac disease in a well-characterized cohort of healthy active adults...
August 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29776517/fatally-injured-pedestrians-and-bicyclists-in-the-united-states-with-high-blood-alcohol-concentrations
#10
Angela H Eichelberger, Anne T McCartt, Jessica B Cicchino
INTRODUCTION: Little research has focused on the problem of alcohol impairment among pedestrians and bicyclists in the United States. The aim of the current study was to investigate the prevalence, trends, and characteristics of alcohol-impaired fatally injured pedestrians and bicyclists. METHOD: Data from the Fatality Analysis Reporting System (FARS) were analyzed for fatally injured passenger vehicle drivers, pedestrians, and bicyclists 16 and older during 1982-2014...
June 2018: Journal of Safety Research
https://www.readbyqxmd.com/read/29776400/associations-of-training-to-assist-a-suicidal-person-with-subsequent-quality-of-support-results-from-a-national-survey-of-the-australian-public
#11
Anthony F Jorm, Angela Nicholas, Jane Pirkis, Alyssia Rossetto, Nicola J Reavley
BACKGROUND: When a person is in severe distress, people in their social network can potentially take action to reduce the person's suicide risk. The present study used data from a community survey to examine whether people who had received training in how to assist a person at risk of suicide had higher quality intentions and actions to provide support. METHODS: A national telephone survey was carried out with 3002 Australian adults on attitudes and intentions toward helping someone in severe distress or at risk of suicide as well as actions taken...
May 18, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29775766/miyazaki-syndrome-due-to-ventriculoperitoneal-shunt-treatment-a-case-report
#12
Anita Kovács, Tamás Németh, Angéla Csomor, Tímea Novák, Ferenc Kövér, Erika Vörös
The signs and pathomechanism of Miyazaki syndrome is presented through the case of a young female patient. The patient underwent placement of a ventriculoperitoneal (VP) shunt with a pressure-adjustable valve for communicating hydrocephalus years before presenting to our department with the complaints of constant headache and unsteady gait. On the basis of the clinical picture and her history, plain and contrast-enhanced cranial and whole spine magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) examinations were performed, with the scans revealing signs indicative of cerebrospinal fluid (CSF) hypotension typical of Miyazaki syndrome...
May 15, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29775742/ryanodine-receptor-ca-2-release-channel-post-translational-modification-central-player-in-cardiac-and-skeletal-muscle-disease
#13
Amanda Denniss, Angela F Dulhunty, Nicole A Beard
Calcium release from internal stores is a quintessential event in excitation-contraction coupling in cardiac and skeletal muscle. The ryanodine receptor Ca2+ release channel is embedded in the internal sarcoplasmic reticulum Ca2+ store, which releases Ca2+ into the cytoplasm, enabling contraction. Ryanodine receptors form the hub of a macromolecular complex extending from the extracellular space to the sarcoplasmic reticulum lumen. Ryanodine receptor activity is influenced by the integrated effects of associated co-proteins, ions, and post-translational phosphor and redox modifications...
May 15, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29774830/frequent-implication-of-multistress-tolerant-campylobacter-jejuni-in-human-infections
#14
Euna Oh, Linda Chui, Junghee Bae, Vincent Li, Angela Ma, Steven K Mutschall, Eduardo N Taboada, Lynn M McMullen, Byeonghwa Jeon
Campylobacter jejuni, a major cause of bacterial foodborne illnesses, is considered highly susceptible to environmental stresses. In this study, we extensively investigated the stress tolerance of 121 clinical strains of C. jejuni against 5 stress conditions (aerobic stress, disinfectant exposure, freeze-thaw, heat treatment, and osmotic stress) that this pathogenic bacterium might encounter during foodborne transmission to humans. In contrast to our current perception about high stress sensitivity of C. jejuni, a number of clinical strains of C...
June 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29774531/ertapenem-a-potent-treatment-for-clinical-and-quality-of-life-improvement-in-patients-with-hidradenitis-suppurativa
#15
Taylor L Braunberger, Nathan T Nartker, Cynthia L Nicholson, Amanda F Nahhas, Angela Parks-Miller, Zachary Hanna, Rachna Jayaprakash, Mayur S Ramesh, Pranita V Rambhatla, Iltefat H Hamzavi
BACKGROUND: A paucity of knowledge exists regarding the use of ertapenem in hidradenitis suppurativa. Our retrospective chart review and telephone interview aims to investigate the utility of intravenous ertapenem in severe, refractory hidradenitis suppurativa. METHODS: This retrospective chart review and telephone interview included patients with severe, refractory hidradenitis suppurativa treated with intravenous ertapenem between March 2013 and December 2016...
May 17, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29774510/recruiting-filipino-immigrants-in-a-randomized-controlled-trial-promoting-enrollment-in-an-evidence-based-parenting-intervention
#16
Joyce R Javier, Angela Reyes, Dean M Coffey, Sheree M Schrager, Allan Samson, Lawrence Palinkas, Michele D Kipke, Jeanne Miranda
Filipinos, the second largest Asian subgroup in the U.S., experience significant youth behavioral health disparities but remain under-represented in health research. We describe lessons learned from using the Matching Model of Recruitment to recruit 215 Filipinos to participate in a large, randomized controlled trial of a culturally tailored video aimed at increasing enrollment in the Incredible Years® Parent Program. We recruited participants from schools, churches, clinics, community events, and other community-based locations...
May 17, 2018: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/29774469/higher-serum-levels-of-uric-acid-are-associated-with-a-reduced-insulin-clearance-in-non-diabetic-individuals
#17
Teresa Vanessa Fiorentino, Franz Sesti, Elena Succurro, Elisabetta Pedace, Francesco Andreozzi, Angela Sciacqua, Marta Letizia Hribal, Francesco Perticone, Giorgio Sesti
AIMS: Decreased insulin clearance has been reported to be associated with insulin resistance-related disorders and incident type 2 diabetes. The aim of this study was to evaluate whether higher levels of uric acid (UA), a known risk factor of type 2 diabetes, are associated with a reduced insulin clearance. METHODS: 440 non-diabetic individuals were stratified in tertiles according to serum UA levels. Insulin clearance and skeletal muscle insulin sensitivity were assessed by euglycemic hyperinsulinemic clamp...
May 17, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29774337/fermentation-alters-the-bioaccessible-phenolic-compounds-and-increases-the-alpha-glucosidase-inhibitory-effects-of-aronia-juice-in-a-dairy-matrix-following-in-vitro-digestion
#18
Xue Du, Angela D Myracle
The prevalence of diabetes reached 415 million worldwide in 2015. Polyphenol-rich food intake can benefit the glycemic control for individuals with diabetes. Fermentation may increase the bioavailability of polyphenols, which is generally low. Aronia (Aronia melanocarpa) is a polyphenol-rich berry that is native to North America. Proanthocyanins and anthocyanins are the major phenolic compounds in aronia. In this study, aronia kefir was made by fermenting cow's milk with added aronia juice. The changes in bioaccessible polyphenols of aronia kefir during digestion were assessed using an in vitro model...
May 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29774124/long-term-exposure-to-carcinoma-associated-fibroblasts-makes-breast-cancer-cells-addictive-to-integrin-%C3%AE-1
#19
Angela Dittmer, Jürgen Dittmer
We studied the long-term effect of stromal factors on the development of fulvestrant-resistance (FR) and fulvestrant-induced dormancy (D). Sublines established from stroma-treated FR-cells (C-FR cells) and D-cells (C-D cells) show permanently high expression of integrin β1 as well as Bcl-3 and P-STAT3 (C-FR) or IGF1R (C-D). Yet, cells fail to withstand fulvestrant better and do not migrate or grow faster than control cells. Instead, C-D cells rely on stromal factors to perform as well as control cells. In addition, C-FR cells adapted to integrin β1 for growth in 3D cultures...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773832/distinct-epigenetic-landscapes-underlie-the-pathobiology-of-pancreatic-cancer-subtypes
#20
Gwen Lomberk, Yuna Blum, Rémy Nicolle, Asha Nair, Krutika Satish Gaonkar, Laetitia Marisa, Angela Mathison, Zhifu Sun, Huihuang Yan, Nabila Elarouci, Lucile Armenoult, Mira Ayadi, Tamas Ordog, Jeong-Heon Lee, Gavin Oliver, Eric Klee, Vincent Moutardier, Odile Gayet, Benjamin Bian, Pauline Duconseil, Marine Gilabert, Martin Bigonnet, Stephane Garcia, Olivier Turrini, Jean-Robert Delpero, Marc Giovannini, Philippe Grandval, Mohamed Gasmi, Veronique Secq, Aurélien De Reyniès, Nelson Dusetti, Juan Iovanna, Raul Urrutia
Recent studies have offered ample insight into genome-wide expression patterns to define pancreatic ductal adenocarcinoma (PDAC) subtypes, although there remains a lack of knowledge regarding the underlying epigenomics of PDAC. Here we perform multi-parametric integrative analyses of chromatin immunoprecipitation-sequencing (ChIP-seq) on multiple histone modifications, RNA-sequencing (RNA-seq), and DNA methylation to define epigenomic landscapes for PDAC subtypes, which can predict their relative aggressiveness and survival...
May 17, 2018: Nature Communications
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