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https://www.readbyqxmd.com/read/28637198/multi-target-activity-of-hemidesmus-indicus-decoction-against-innovative-hiv-1-drug-targets-and-characterization-of-lupeol-mode-of-action
#1
Francesca Esposito, Manuela Mandrone, Claudia Del Vecchio, Ilaria Carli, Simona Distinto, Angela Corona, Mariacaterina Lianza, Dario Piano, Massimo Tacchini, Elias Maccioni, Filippo Cottiglia, Elisa Saccon, Ferruccio Poli, Cristina Parolin, Enzo Tramontano
Despite the availability of several anti-retrovirals there is still an urgent need for developing novel therapeutic strategies and finding new drugs against underexplored HIV-1 targets. Among them, there are the HIV-1 Reverse Transcriptase (RT)-associated Ribonuclease H (RNase H) function and the cellular α-glucosidase, involved in the control mechanisms of N-linked glycoproteins formation in the endoplasmic reticulum. It is known that many natural compounds, such as pentacyclic triterpenes, are a promising class of HIV-1 inhibitors...
June 20, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28637091/nurse-managers-determinants-and-behaviours-in-relation-to-patient-and-visitor-aggression-in-general-hospitals-a-qualitative-study
#2
Birgit Heckemann, Karin A Peter, Ruud Jg Halfens, Jos Mga Schols, Gerjo Kok, Sabine Hahn
AIM: 'To explore nurse managers' behaviours, attitudes, perceived social norms and behavioural control in the prevention and management of patient and visitor aggression in general hospitals. BACKGROUND: Patient and visitor aggression in general hospitals is a global problem that incurs substantial human suffering and organizational cost. Managers are key persons for creating low-aggression environments, yet their role and behaviour in reducing patient and visitor aggression remains unexplored...
June 21, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28636629/minimal-oscillating-subnetwork-in-the-huang-ferrell-model-of-the-mapk-cascade
#3
Otto Hadač, František Muzika, Vladislav Nevoral, Michal Přibyl, Igor Schreiber
Prompted by the recent growing evidence of oscillatory behavior involving MAPK cascades we present a systematic approach of analyzing models and elucidating the nature of biochemical oscillations based on reaction network theory. In particular, we formulate a minimal biochemically consistent mass action subnetwork of the Huang-Ferrell model of the MAPK signalling that provides an oscillatory response when a parameter controlling the activation of the top-tier kinase is varied. Such dynamics are either intertwined with or separated from the earlier found bistable/hysteretic behavior in this model...
2017: PloS One
https://www.readbyqxmd.com/read/28636510/the-balance-of-omega-3-polyunsaturated-fatty-acids-for-reducing-residual-risks-in-patients-with-coronary-artery-disease
#4
Yuji Nishizaki, Kazunori Shimada, Hiroyuki Daida
Residual risk, which cannot be prevented by statins alone, must be controlled for inhibiting the onset of coronary events. Omega-3 polyunsaturated fatty acids (PUFAs) play an important role in controlling residual risk. The Japan eicosapentaenoic acid (EPA) Lipid Intervention Study demonstrated the inhibitory effect of high-purity EPA preparations on the residual risk of cardiovascular events. Omega-3 PUFAs inhibit coronary artery disease (CAD) through various actions, including triglyceride-lowering action...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28636257/covalent-attachment-and-pro-pro-endopeptidase-ppep-1-mediated-release-of-clostridium-difficile-cell-surface-proteins-involved-in-adhesion
#5
REVIEW
Jeroen Corver, Valentina Cordo', Hans C van Leeuwen, Oleg I Klychnikov, Paul J Hensbergen
In the past decade, Clostridium difficile has emerged as an important gut pathogen. This anaerobic, Gram-positive bacterium is the main cause of infectious nosocomial diarrhea. Whereas much is known about the mechanism through which the C. difficile toxins cause diarrhea, relatively little is known about the dynamics of adhesion and motility, which is mediated by cell surface proteins. This review will discuss the recent advances in our understanding of the sortase-mediated covalent attachment of cell surface (adhesion) proteins to the peptidoglycan layer of C...
June 21, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28636053/evidence-of-bad-recycling-practices-bfrs-in-children-s-toys-and-food-contact-articles
#6
A Guzzonato, F Puype, S J Harrad
Brominated flame retardants (BFRs) have been used intentionally in a wide range of plastics, but are now found in an even wider range of such materials (including children's toys and food contact articles) as a result of recycling practices that mix BFR-containing waste plastics with "virgin" materials. In this study Br was quantified in toy and food contact samples on the assumption that its concentration can be used as a metric for BFR contamination. Subsequently, compound specific determination of BFRs was performed to evaluate the validity of the aforementioned assumption, crucial to render rapid, inexpensive, in situ Br determination in non-laboratory environments (such as waste handling facilities) a viable option for sorting wastes according to their BFR content...
June 21, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28635651/effects-of-tetrodotoxin-in-mouse-models-of-visceral-pain
#7
Rafael González-Cano, Miguel Ángel Tejada, Antonia Artacho-Cordón, Francisco Rafael Nieto, José Manuel Entrena, John N Wood, Cruz Miguel Cendán
Visceral pain is very common and represents a major unmet clinical need for which current pharmacological treatments are often insufficient. Tetrodotoxin (TTX) is a potent neurotoxin that exerts analgesic actions in both humans and rodents under different somatic pain conditions, but its effect has been unexplored in visceral pain. Therefore, we tested the effects of systemic TTX in viscero-specific mouse models of chemical stimulation of the colon (intracolonic instillation of capsaicin and mustard oil) and intraperitoneal cyclophosphamide-induced cystitis...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28635540/reduced-serum-vgf-levels-were-reversed-by-antidepressant-treatment-in-depressed-patients
#8
Haitang Jiang, Suzhen Chen, Na Lu, Yingying Yue, Yingying Yin, Yuqun Zhang, Wenhao Jiang, Jinfeng Liang, Yonggui Yuan
OBJECTIVES: VGF, a non-acronymic neuropeptide, is important in the pathogenesis of major depressive disorder (MDD) and in the functioning and efficacy of some antidepressant drugs. In this study we assessed whether serum VGF levels change in MDD patients and if antidepressant treatments can restore these changes. METHODS: We measured serum VGF concentrations using sandwich ELISA in drug-free MDD patients before treatment began (n = 26) and at 8 weeks after antidepressant treatment (n = 26) with escitalopram and duloxetine, two common antidepressants...
September 22, 2016: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28635364/the-impact-of-motivational-interviewing-on-behavior-stages-of-nulliparous-pregnant-women-preparing-for-childbirth-a-randomized-clinical-trial
#9
Masoumeh Rasouli, Seyed Abbas Mousavi, Ahmad Khosravi, Afsaneh Keramat, Ensieh Fooladi, Giti Atashsokhan
OBJECTIVE: To examine the effectiveness of motivational interviewing (MI) on the stages of behavior change among nulliparous pregnant women who were preparing for childbirth. METHODS: In this randomized clinical trial, 234 pregnant women were studied in two intervention groups (MI and lecture), and one control group at three stages. In weeks 16-19 of pregnancy, two counseling sessions were held for the MI group, and one lecturing session was held for the lecture group...
June 21, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635348/hope-coping-skills-and-the-prefrontal-cortex-in-alcohol-use-disorder-recovery
#10
Spencer D Bradshaw, Sterling T Shumway, Cynthia M Dsauza, Neli Morris, Nicholas D Hayes
BACKGROUND: Alcohol use disorders adversely affect individual and societal health. These disorders are a chronic brain disease, and protective factors against relapse should be studied. Prefrontal cortex (PFC) dysfunction is evident in alcohol use disorders, and research that explores recovery of the PFC in alcohol use disorders is needed, specifically in regard to how psychological and behavioral factors can augment medicalized treatments and protect against relapse. For example, hope or a belief that recovery is possible is an important cognitive construct-thought to precede behavioral action-that has been associated with relapse...
March 1, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28635328/dietary-implications-for-patients-receiving-long-term-oral-anticoagulation-therapy-for-treatment-and-prevention-of-thromboembolic-disease
#11
Emmanouela Kampouraki, Farhad Kamali
The effectiveness of oral anticoagulation therapy with warfarin (a vitamin K antagonist) in the treatment of thromboembolic disease, including stroke prophylaxis in patients with atrial fibrillation is well recognised. However, warfarin has a narrow therapeutic window and an unpredictable anticoagulation response, which make it difficult to achieve and maintain optimal anticoagulation. Various dietary factors, including sudden changes in eating patterns, can significantly alter anticoagulation control, thereby potentially exposing patients to the risk of bleeding or thromboembolic complications...
June 21, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28635081/understanding-and-improving-photo-control-of-ion-channels-in-nociceptors-with-azobenzene-photoswitches
#12
Alexandre Mourot, Christian Herold, Michael A Kienzler, Richard H Kramer
BACKGROUND AND PURPOSE: We previously developed a photoisomerizable local anaesthetic, named QAQ, to gain rapid, optical control over pain signaling without involving genetic modification. In darkness or in green light, trans-QAQ blocks voltage-gated K(+) and Na(+) channels and silences action potentials in pain-sensing neurons. Upon photoisomerization to cis with near UV light, QAQ blockade is rapidly relieved and neuronal activity is restored. However, the molecular mechanism of cis and trans QAQ blockade is not known...
June 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28634589/hla-class-ia-and-ib-polyreactive-anti-hla-e-igg2a-monoclonal-antibodies-tfl-006-and-tfl-007-suppress-anti-hla-igg-production-by-cd19-b-cells-and-proliferation-of-cd4-t-cells-while-upregulating-tregs
#13
REVIEW
Mepur H Ravindranath
The anti-HLA-E IgG2a mAbs, TFL-006 and TFL-007, reacted with all HLA-I antigens, similar to the therapeutic preparations of IVIg. Indeed, IVIg lost its HLA reactivity, when its HLA-E reactivity was adsorbed out. US-FDA approved IVIg to reduce antibodies in autoimmune diseases. But the mechanism underlying IVIg-mediated antibody reduction could not be ascertained due to the presence of other polyclonal antibodies. In spite of it, the cost prohibitive high or low IVIg is administered to patients waiting for donor organ and for allograft recipients for lowering antiallograft antibodies...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28634570/to-use-or-not-to-use-metformin-in-cerebral-ischemia-a-review-of-the-application-of-metformin-in-stroke-rodents
#14
REVIEW
Isaac Arbeláez-Quintero, Mauricio Palacios
Ischemic strokes are major causes of death and disability. Searching for potential therapeutic strategies to prevent and treat stroke is necessary, given the increase in overall life expectancy. Epidemiological reports indicate that metformin is an oral antidiabetic medication that can reduce the incidence of ischemic events in patients with diabetes mellitus. Its mechanism of action has not been elucidated, but metformin pleiotropic effects involve actions in addition to glycemic control. AMPK activation has been described as one of the pharmacological mechanisms that explain the action of metformin and that lead to neuroprotective effects...
2017: Stroke Research and Treatment
https://www.readbyqxmd.com/read/28634479/whole-blood-profiling-of-bacillus-calmette-gu%C3%A3-rin-induced-trained-innate-immunity-in-infants-identifies-epidermal-growth-factor-il-6-platelet-derived-growth-factor-ab-bb-and-natural-killer-cell-activation
#15
Steven G Smith, Johanneke Kleinnijenhuis, Mihai G Netea, Hazel M Dockrell
Vaccination of infants with bacillus Calmette-Guérin (BCG) activates both the innate and adaptive arms of the immune response. The antimycobacterial effects of these responses most likely account for the ability of BCG to protect against childhood forms of tuberculosis (TB). There is also evidence for a heterologous protective effect of BCG vaccination against TB-unrelated mortality in low birth weight infants. A possible mechanism of action of this effect, the induction of trained innate immunity, has been demonstrated when cells from BCG-vaccinated adults are restimulated in vitro with non-related microbial stimuli...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28634478/transcriptional-and-antagonistic-responses-of-biocontrol-strain-lysobacter-enzymogenes-oh11-to-the-plant-pathogenic-oomycete-pythium-aphanidermatum
#16
Yangyang Zhao, Guoliang Qian, Yuan Chen, Liangcheng Du, Fengquan Liu
Lysobacter enzymogenes is a ubiquitous, beneficial, plant-associated bacterium emerging as a novel biological control agent. It has the potential to become a new source of antimicrobial secondary metabolites such as the Heat-Stable Antifungal Factor (HSAF), which is a broad-spectrum antimycotic with a novel mode of action. However, very little information about how L. enzymogenes detects and responds to fungi or oomycetes has been reported. An in vitro confrontation bioassay between the pathogenic oomycete Pythium aphanidermatum and the biocontrol bacterial strain L...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28634447/the-moving-rubber-hand-illusion-reveals-that-explicit-sense-of-agency-for-tapping-movements-is-preserved-in-functional-movement-disorders
#17
Angela Marotta, Federica Bombieri, Massimiliano Zampini, Federico Schena, Carlo Dallocchio, Mirta Fiorio, Michele Tinazzi
Functional movement disorders (FMD) are characterized by motor symptoms (e.g., tremor, gait disorder, and dystonia) that are not compatible with movement abnormalities related to a known organic cause. One key clinical feature of FMD is that motor symptoms are similar to voluntary movements but are subjectively experienced as involuntary by patients. This gap might be related to abnormal self-recognition of bodily action, which involves two main components: sense of agency and sense of body ownership. The aim of this study was to systematically investigate whether this function is altered in FMD, specifically focusing on the subjective feeling of agency, body ownership, and their interaction during normal voluntary movements...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28633498/thymol-as-natural-antioxidant-additive-for-poultry-feed-oxidative-stability-improvement
#18
A Luna, R C Lema-Alba, J S Dambolena, J A Zygadlo, M C Labaque, R H Marin
Antioxidant are regularly included in poultry feed as protection from deterioration during storage. Recently the interest for the use of natural phytochemicals in animal diets has been increased. Thymol (THY) has been proven to be an effective antioxidant for extending broiler meat quality during storage with similar action to the widely used butylated hydroxytoluene (BHT). This study evaluates whether THY can also have a protective effect on the feed mash by assessing its antioxidant potential and related changes in fatty acid (FA) balance...
June 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28633389/multiple-soluble-tgf-%C3%AE-receptors-in-addition-to-soluble-endoglin-are-elevated-in-preeclamptic-serum-and-they-synergistically-inhibit-tgf-%C3%AE-signalling
#19
Yao Wang, Qi Chen, Min Zhao, Kelly Walton, Craig Harrison, Guiying Nie
Context: Preeclampsia (PE) can be classified into early-onset (<34wk of gestation) and late-onset (>34wk) subtypes. Soluble endoglin, an auxiliary receptor for TGF-β ligands, is increased in PE circulation and believed to inhibit TGF-β action by sequestering the ligands. However, soluble endoglin, with a low affinity to TGF-β ligands, is demonstrated to have little effect by itself on TGF-β action. Objectives: We examined whether multiple soluble TGF-β receptors are elevated in PE circulation and whether they synergistically block TGF-β signalling...
June 14, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28633052/disinfection-efficiencies-of-sage-and-spearmint-essential-oils-against-planktonic-and-biofilm-staphylococcus-aureus-cells-in-comparison-with-sodium-hypochlorite
#20
Dimitrios Vetas, Eleni Dimitropoulou, Gregoria Mitropoulou, Yiannis Kourkoutas, Efstathios Giaouris
Staphylococcus aureus causes human infections and foodborne intoxications. This study explored the potential antibacterial actions of sage and spearmint essential oils (EOs) against both its planktonic and biofilm cells, in comparison with sodium hypochlorite (NaOCl), a commonly applied chemical sanitizer. Initially, the minimum inhibitory and bactericidal concentrations (MICs, MBCs) of each plant mixture were determined against planktonic cultures, following growth at 30°C for 24h. Stationary phase planktonic bacteria were then individually exposed for 6min to either each EO (applied at 1-2×MBC; 2...
June 8, 2017: International Journal of Food Microbiology
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