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https://www.readbyqxmd.com/read/29232759/involvement-of-cyp1b1-in-interferon-%C3%AE-induced-alterations-of-epithelial-barrier-integrity
#1
Mireille Alhouayek, Sandra Gouveia-Figueira, Marie-Louise Hammarström, Christopher J Fowler
BACKGROUND AND PURPOSE: CYP1B1 and CYP1A1 are important extra hepatic cytochromes, expressed in the colon and implicated in the metabolism of dietary constituents and exogenous compounds. CYP1B1 expression is increased by pro-inflammatory cytokines and it has been recently implicated in regulation of blood brain barrier function. We investigated its involvement in the increased permeability of the intestinal epithelial barrier observed in inflammatory conditions. EXPERIMENTAL APPROACH: (IFNγ, 10 ng...
December 12, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29232637/copper-ii-complexes-based-on-tripodal-pyrazolyl-amines-synthesis-structure-magnetic-properties-and-anticancer-activity
#2
Salah S Massoud, Febee R Louka, Gerard T Ducharme, Roland C Fischer, Franz A Mautner, Ján Vančo, Radovan Herchel, Zdeněk Dvořák, Zdeněk Trávníček
The Cu(II) complexes [Cu(bpdmpz)Cl]ClO4 (1), [Cu(bdmpzp)Cl]ClO4 (2-ClO4), [Cu(bdmpzp)Cl]PF6 (2-PF6) and [Cu(tdmpza)Cl]ClO4 (3), bpdmpzp=[bis[((2-pyridylmethyl)-di(3,5-dimethyl-1H-pyrazolyl)methyl)]amine, bdmpzp=[bis((di(3,5-dimethyl-1H-pyrazolyl)methyl)-(2-pyridylmethyl)]amine and tdmpza=tris[di(3,5-dimethyl-1H-pyrazolyl)-methyl)]amine were synthesized and characterized by elemental analysis, magnetic and conductivity measurements, electrospray-ionization mass spectrometry, infrared and electronic spectroscopy, and X-ray crystallography...
December 5, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29232407/temporal-changes-in-cardiac-oxidative-stress-inflammation-and-remodeling-induced-by-exercise-in-hypertension-role-for-local-angiotensin-ii-reduction
#3
Sebastião D Silva, Zaira P Jara, Roseli Peres, Larissa S Lima, Cristóforo Scavone, Augusto C Montezano, Rhian M Touyz, Dulce E Casarini, Lisete C Michelini
Exercise training reduces renin-angiotensin system (RAS) activation, decreases plasma and tissue oxidative stress and inflammation in hypertension. However, the temporal nature of these phenomena in response to exercise is unknown. We sought to determine in spontaneously hypertensive rats (SHR) and age-matched WKY controls the weekly effects of training on blood pressure (BP), plasma and left ventricle (LV) Ang II and Ang-(1-7) content (HPLC), LV oxidative stress (DHE staining), gene and protein expression (qPCR and WB) of pro-inflammatory cytokines, antioxidant enzymes and their consequence on hypertension-induced cardiac remodeling...
2017: PloS One
https://www.readbyqxmd.com/read/29232334/intravitreal-ziv-aflibercept-for-neovascular-age-related-macular-degeneration-52-week-results
#4
João R de Oliveira Dias, Gabriel Costa de Andrade, Vinicius F Kniggendorf, Eduardo A Novais, Vítor K L Takahashi, André Maia, Carsten Meyer, Sung E S Watanabe, Michel E Farah, Eduardo B Rodrigues
PURPOSE: To evaluate the 52-week safety and efficacy of intravitreal ziv-aflibercept in patients with neovascular age-related macular degeneration. METHODS: All patients received three monthly intravitreal injections of 0.05 mL of ziv-aflibercept (1.25 mg) followed by a pro re nata regimen. The best-corrected visual acuity and spectral domain optical coherence tomography were obtained at baseline and monthly. Full-field and multifocal electroretinograms were obtained at baseline and 4, 13, 26, and 52 weeks...
December 11, 2017: Retina
https://www.readbyqxmd.com/read/29232316/prime-a-novel-low-mass-high-repetition-approach-to-improve-function-in-older-adults
#5
Jason D Allen, Mitch D VanBruggen, Neil M Johannsen, Jennifer L Robbins, Daniel P Credeur, Carl F Pieper, Richard Sloane, Conrad P Earnest, Timothy S Church, Eric Ravussin, William E Kraus, Michael A Welsch
INTRODUCTION: The ability to maintain functional independence in a rapidly aging population results in an increased life expectancy without corresponding increases in health care costs. The accelerated decline in VO2peak after the age of 65 is primarily due to peripheral tissue changes rather than centrally mediated factors. The purpose of this study was to determine if the PRIME (Peripheral Remodeling through Intermittent Muscular Exercise) approach, consisting of a low mass, high repetition/duration skeletal muscle focused training regimen would provide superior functional benefits in participants above 70 years old and at risk for losing functional independence...
December 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29232315/beneficial-effects-of-exercise-pretreatment-in-a-sporadic-alzheimer-s-rat-model
#6
Chongyun Wu, Luodan Yang, Donovan Tucker, Yan Dong, Ling Zhu, Rui Duan, Timon Cheng-Yi Liu, Quanguang Zhang
PURPOSE: This study aimed to examine the effects of swimming exercise pretreatment on a streptozotocin (STZ)-induced sporadic Alzheimer's disease rat model and provide an initial understanding of related molecular mechanisms. METHODS: Male 2.5-month-old Sprague-Dawley rats were divided into the following 4 groups: a) control, b) swim + vehicle, c) STZ without swim, and d) swim + STZ. The Barnes Maze task and Novel Object Recognition test were used to measure hippocampus-dependent spatial learning and working memory, respectively...
December 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29232311/lithium-colchicine-a-potential-strategy-to-reduce-pro-inflammatory-effects-of-lithium-treatment
#7
John J Mooney, Roscoe O Brady
PURPOSE: Rosenblat and McIntyre (Acta Psychiatr Scand. 2015;132: 180-191) propose that immune disorders are important mediators between bipolar disorders and medical comorbidities. Rosenblat et al (Bipolar Disord. 2016;18:89-101) present a meta-analysis showing that adjunctive anti-inflammatory agents could evoke moderate antidepressant responses in bipolar disorders. We propose using the anti-inflammatory drug colchicine to improve the long-term safety and efficacy of lithium treatment for bipolar disorders...
December 11, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29232190/the-effects-of-curcuma-longa-and-curcumin-on-reproductive-systems
#8
R Mohebbati, A Anaeigoudari, M R Khazdair
OBJECTIVE: Curcuma longa (C. longa) was used in some countries such as China and India for various medicinal purposes. Curcumin, the active component of C. longa, is commonly used as a coloring agent in foods, drugs, and cosmetics. C. longa and curcumin have been known to act as antioxidant, anti-inflammatory, anti-mutagen, and anti-carcinogenic agents. Th e attempt of the present review was to give an effort on a detailed literature survey concentrated on the protective effects of C...
October 26, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/29232153/respiratory-responses-to-ozone-exposure-the-multicenter-ozone-study-in-older-subjects-moses
#9
Mehrdad Arjomandi, John R Balmes, Mark W Frampton, Philip Bromberg, Paul Stark, Neil E Alexis, David Q Rich, Maria Costantini, Danielle Hollenbeck-Pringle, Nicholas Dagincourt, Milan J Hazucha
RATIONALE: Acute respiratory effects of low-level ozone exposure are not well defined in older adults. OBJECTIVE: The Multicenter Ozone Study in oldEr Subjects (MOSES), although primarily focused on acute cardiovascular effects, provided an opportunity to assess respiratory responses to low concentrations of ozone in older healthy adults. METHODS: We performed a randomized crossover, controlled exposure study of 87 healthy adults (59.9±4...
December 12, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29232007/increased-oxidative-protection-by-high-active-vitamin-e-content-and-partial-radiation-crosslinking-of-uhmwpe
#10
Jia-Zhuang Xu, Keith K Wannomae, Orhun K Muratoglu, Ebru Oral
Vitamin E stabilization successfully improved long-term oxidation resistance of wear-resistant ultra-high-molecular-weight polyethylene (UHMWPE) used for joint implants. Stabilization can be achieved by blending an antioxidant into the UHMWPE resin powder before consolidation and irradiation. Balancing the wear resistance and vitamin E content in the blend is the current challenge with this approach, because vitamin E hinders crosslinking of UHMWPE during irradiation, which decreases wear resistance. The vitamin E concentration in the blend is generally limited to less than 0...
December 12, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29231906/simulation-of-cellular-energy-restriction-in-quiescence-eriq-a-theoretical-model-for-aging
#11
David Alfego, Andres Kriete
Cellular responses to energy stress involve activation of pro-survival signaling nodes, compensation in regulatory pathways and adaptations in organelle function. Specifically, energy restriction in quiescent cells (ERiQ) through energetic perturbations causes adaptive changes in response to reduced ATP, NAD+ and NADP levels in a regulatory network spanned by AKT, NF-κB, p53 and mTOR. Based on the experimental ERiQ platform, we have constructed a minimalistic theoretical model consisting of feedback motifs that enable investigation of stress-signaling pathways...
December 12, 2017: Biology
https://www.readbyqxmd.com/read/29231845/maillard-proteomics-opening-new-pages
#12
REVIEW
Alena Soboleva, Rico Schmidt, Maria Vikhnina, Tatiana Grishina, Andrej Frolov
Protein glycation is a ubiquitous non-enzymatic post-translational modification, formed by reaction of protein amino and guanidino groups with carbonyl compounds, presumably reducing sugars and α-dicarbonyls. Resulting advanced glycation end products (AGEs) represent a highly heterogeneous group of compounds, deleterious in mammals due to their pro-inflammatory effect, and impact in pathogenesis of diabetes mellitus, Alzheimer's disease and ageing. The body of information on the mechanisms and pathways of AGE formation, acquired during the last decades, clearly indicates a certain site-specificity of glycation...
December 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29231815/endothelial-cells-express-nkg2d-ligands-and-desensitize-anti-tumor-nk-responses
#13
Thornton W Thompson, Alexander Byungsuk Kim, Po-Yi Jonathan Li, Jiaxi Wang, Benjamin T Jackson, Kristen Ting Hui Huang, Lily Zhang, David H Raulet
Natural Killer (NK) cells confer protection from tumors and infections by releasing cytotoxic granules and pro-inflammatory cytokines upon recognition of diseased cells. The responsiveness of NK cells to acute stimulation is dynamically tuned by steady-state receptor-ligand interactions of an NK cell with its cellular environment. Here we demonstrate that in healthy WT mice the NK activating receptor NKG2D is engaged in vivo by one of its ligands, RAE-1ε, which is expressed constitutively by lymph node endothelial cells and highly induced on tumor-associated endothelium...
December 12, 2017: ELife
https://www.readbyqxmd.com/read/29231138/cholinesterase-inhibitor-6-chlorotacrine-in-vivo-toxicological-profile-and-behavioural-effects
#14
Jan Misik, Eugenie Nepovimova, Jaroslav Pejchal, Jiri Kassa, Jan Korabecny, Ondrej Soukup
BACKGROUND: 6-chlorotacrine is a cholinesterase inhibitor showing good inhibitory potential, even better than parent compound tacrine, in vitro. Despite tacrine scaffold is broadly used for design and synthesis of novel compounds with anti-Alzheimer's potential, no in vivo effects have been investigated so far. Thus, basic toxicological and behavioural evaluation has been carried out throughout this study. METHODS: Maximum tolerated dose (MTD) and median lethal dose (LD50) were assessed in BALB/c mice and Wistar rats...
December 11, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/29231073/pelargonium-sidoides-preparation-eps-7630-in-copd-health-related-quality-of-life-and-other-patient-reported-outcomes-in-adults-receiving-add-on-therapy
#15
Heinrich Matthys, Petra Funk
OBJECTIVE: Patient-reported outcomes (PRO) such as health-related quality of life (HRQL) belong to the most important criteria for the evaluation of medical therapies in clinical trials or practice-based benefit assessments. We therefore revisited results of an earlier published clinical trial investigating the effects of the herbal drug preparation from the roots of Pelargonium sidoides EPs 7630, administered as add-on therapy in patients suffering from chronic obstructive pulmonary disease (COPD), with respect to HRQL and other PRO...
December 12, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29230881/variance-component-analysis-to-assess-protein-quantification-in-biomarker-discovery-application-to-maldi-tof-mass-spectrometry
#16
Catherine Mercier, Amna Klich, Caroline Truntzer, Vincent Picaud, Jean-François Giovannelli, Patrick Ducoroy, Pierre Grangeat, Delphine Maucort-Boulch, Pascal Roy
Controlling the technological variability on an analytical chain is critical for biomarker discovery. The sources of technological variability should be modeled, which calls for specific experimental design, signal processing, and statistical analysis. Furthermore, with unbalanced data, the various components of variability cannot be estimated with the sequential or adjusted sums of squares of usual software programs. We propose a novel approach to variance component analysis with application to the matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) technology and use this approach for protein quantification by a classical signal processing algorithm and two more recent ones (BHI-PRO 1 and 2)...
December 12, 2017: Biometrical Journal. Biometrische Zeitschrift
https://www.readbyqxmd.com/read/29230844/cyclophilin-d-promotes-tubular-cell-damage-and-the-development-of-interstitial-fibrosis-in-the-obstructed-kidney
#17
Weiping Hou, Khai G Leong, Elyce Ozols, Greg H Tesch, David J Nikolic-Paterson, Frank Y Ma
Cyclophilin D (CypD) is an important component in mitochondrial-dependent tubular cell death in acute kidney injury. However, it is not known whether CypD contributes to tubular cell damage in chronic interstitial fibrosis. We investigated this question in the unilateral ureter obstruction (UUO) model of renal interstitial fibrosis. Groups of CypD-/- and wild type (WT) mice were killed 7 or 12 days after UUO surgery. The significant tubular cell apoptosis seen in WT UUO was significantly reduced in CypD-/- UUO based on TUNEL and cleaved caspase 3 staining...
December 12, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29230798/botulinum-toxin-type-a-therapy-for-cervical-dystonia
#18
REVIEW
Mafalda Castelão, Raquel E Marques, Gonçalo S Duarte, Filipe B Rodrigues, Joaquim Ferreira, Cristina Sampaio, Austen P Moore, João Costa
BACKGROUND: This is an update of a Cochrane Review first published in 2005. Cervical dystonia is the most common form of focal dystonia and is a highly disabling movement disorder characterised by involuntary, usually painful, head posturing. Currently, botulinum toxin type A (BtA) is considered the first line therapy for this condition. OBJECTIVES: To compare the efficacy, safety, and tolerability of botulinum toxin type A (BtA) versus placebo in people with cervical dystonia...
December 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29230608/combinatorial-therapy-with-two-pro-coagulants-and-one-osmotic-agent-reduces-the-extent-of-the-lesion-in-the-acute-phase-of-spinal-cord-injury-in-the-rat
#19
Mathieu Boutonnet, Elisabeth Laemmel, Eric Vicaut, Jacques Duranteau, Marc Soubeyrand
BACKGROUND: Spinal cord injury (SCI) is a complex disease that leads to a motor, sensitive, and vegetative impairment. So far, single therapies are ineffective for treating SCI in humans and a multifactorial therapeutic approach may be required. The aim of this work was to assess the effect of a triple therapy (TT) associating two pro-coagulant therapies (tranexamic acid and fibrinogen) with an anti-edema therapy (hypertonic saline solution), on the extent of the lesion 24 h post-injury...
December 11, 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/29230430/triethylene-glycol-dimethacrylate-adjuvant-properties-and-effect-on-cytokine-production
#20
Sara Alizadehgharib, Anna-Karin Östberg, Ulf Dahlgren
Objective: Leakage of monomers from dental fillings due to incomplete curing is very common. The objective of the present study was to examine the cytokine profile in cells exposed to triethyleneglycol dimethacrylate (TEGDMA) and the adjuvant properties of TEGDMA. Materials and methods: Human peripheral blood mononuclear cells were exposed to TEGDMA (500 and 1000 μM) for 24 h in vitro. Bio-Plex Pro™ assays were used for analysis and detection of cytokines. In vivo, BALB/c mice were immunized subcutaneously in the base of the tail with TEGDMA in combination with ovalbumin (OVA)...
2018: Acta Biomaterialia Odontologica Scandinavica
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