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https://www.readbyqxmd.com/read/29778785/oral-ibuprofen-differentially-affects-plasma-and-sweat-lipid-mediator-profiles-in-healthy-adult-males
#1
Karan Agrawal, Rémy Bosviel, Brian D Piccolo, John W Newman
Sweat contains a variety of lipid mediators, but whether they originate from the plasma filtrate or from the cutaneous sweat glandular tissues themselves is unknown. To explore this knowledge gap, we collected plasma and sweat from healthy men (n = 9) immediately before and 0.5, 2 and 4 h after oral administration of 400 mg ibuprofen. Of the over 100 lipid mediators assayed by liquid chromatography-tandem mass spectrometry, ~45 were detected in both plasma and sweat, and 36 were common to both matrices...
May 17, 2018: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29778055/new-insights-into-the-effects-of-support-matrix-on-the-removal-of-organic-micro-pollutants-and-the-microbial-community-in-constructed-wetlands
#2
Liang Zhang, Tao Lyu, Carlos Andrés Ramírez Vargas, Carlos A Arias, Pedro N Carvalho, Hans Brix
Constructed wetlands (CWs) are an eco-friendly and cost-effective technology to remove organic micro-pollutants (OMPs) from wastewater. The support matrix is an important component in CWs as it has a primary role in the growth and development of plants and microbes. However, the roles of the support matrix in CWs in removing OMPs have not been systematically studied. Therefore, in this study, six common materials (sand, zeolite, blast iron slag, petcoke, polonite and crushed autoclaved aerated concrete (CAAC)) as support matrixes were firstly investigated by batch tests to explore their adsorption capacities to selected OMPs (ibuprofen, iohexol, tebuconazole and imazalil)...
May 16, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29776741/a-small-diversity-library-of-%C3%AE-methyl-amide-analogs-of-sulindac-for-probing-anticancer-structure-activity-relationships
#3
Bini Mathew, Timothy S Snowden, Michele C Connelly, R Kiplin Guy, Robert C Reynolds
Non-steroidal anti-inflammatory drugs (NSAIDs) have a variety of potential indications that include management of pain and inflammation as well as chemoprevention and/or treatment of cancer. Furthermore, a specific form of ibuprofen, dexibuprofen or the S-(+) form, shows interesting neurological activities and has been proposed for the treatment of Alzheimer's disease. In a continuation of our work probing the anticancer activity of small sulindac libraries, we have prepared and screened a small diversity library of α-methyl substituted sulindac amides in the profen class...
May 10, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29776428/evidence-of-the-impact-of-systemic-inflammation-on-neuroinflammation-from-a-non-bacterial-endotoxin-animal-model
#4
Chunxia Huang, Michael Garnet Irwin, Gordon Tin Chun Wong, Raymond Chuen Chung Chang
BACKGROUND: Systemic inflammation induces neuroinflammation and cellular changes such as tau phosphorylation to impair cognitive function, including learning and memory. This study uses a single model, laparotomy without any pathogen, to characterize these changes and their responses to anti-inflammatory treatment in the intermediate term. METHODS: In a two-part experiment, wild-type C57BL/6N mice (male, 3 month old, 25 ± 2 g) were subjected to sevoflurane anesthesia alone or to a laparotomy...
May 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29772761/high-concentrations-of-sodium-chloride-improve-microbicidal-activity-of-ibuprofen-against-common-cystic-fibrosis-pathogens
#5
Adrián J Muñoz, Roxana V Alasino, Ariel G Garro, Valeria Heredia, Néstor H García, David C Cremonezzi, Dante M Beltramo
Ibuprofen (IBU-H), a widely used anti-inflammatory, also shows a marked antimicrobial effect against several bacterial species, including those involved in cystic fibrosis such as Pseudomona aeruginosa , methicillin resistant Staphylococcus aureus and Burkholderia cepacia complex. Additionally, our results show significant synergy between water soluble Na-ibuprofen (IBU-Na) and ionic strength. Salt concentrations above 0.5 M modify the zeta potential promoting the action of Na-IBU; thus, with 1 M sodium chloride, IBU-Na is ten times more efficient than in the absence of ionic strength, and the minimum effective contact time is reduced from hours to minutes...
May 17, 2018: Pharmaceuticals
https://www.readbyqxmd.com/read/29772691/periodontal-tissues-maxillary-jaw-bone-and-tooth-regeneration-approaches-from-animal-models-analyses-to-clinical-applications
#6
REVIEW
Fareeha Batool, Marion Strub, Catherine Petit, Isaac Maximiliano Bugueno, Fabien Bornert, François Clauss, Olivier Huck, Sabine Kuchler-Bopp, Nadia Benkirane-Jessel
This review encompasses different pre-clinical bioengineering approaches for periodontal tissues, maxillary jaw bone, and the entire tooth. Moreover, it sheds light on their potential clinical therapeutic applications in the field of regenerative medicine. Herein, the electrospinning method for the synthesis of polycaprolactone (PCL) membranes, that are capable of mimicking the extracellular matrix (ECM), has been described. Furthermore, their functionalization with cyclosporine A (CsA), bone morphogenetic protein-2 (BMP-2), or anti-inflammatory drugs' nanoreservoirs has been demonstrated to induce a localized and targeted action of these molecules after implantation in the maxillary jaw bone...
May 16, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29772243/synthesis-pharmacological-evaluation-and-docking-studies-of-progesterone-and-testosterone-derivatives-as-anticancer-agents
#7
Muafia Jabeen, Muhammad Iqbal Choudhry, Ghulam Abbas Miana, Khondaker Miraz Rahman, Umer Rashid, Hidayat-Ullah Khan, Arshia, Abdul Sadiq
Steroidal hormones progesterone and testosterone play a vital role in breast and prostate cancers. In this research, we have synthesized and characterized a total of thirty-one (31) new nitrogenous derivatives of progesterone and testosterone. The synthesized derivatives (1-31) were screened for their anti-cancer potential against MCF-7 and PC-3 cell lines of breast using MTT assay. The compounds 1-31exhibited significant inhibitory potentials against MCF-7 and PC-3 cell lines. In MCF-7 assay, compound 17 displayed IC50 value of 04 ±0...
May 14, 2018: Steroids
https://www.readbyqxmd.com/read/29768834/clay-nanoarchitectures-as-photocatalysts-by-in-situ-assembly-of-zno-nanoparticles-and-clay-minerals
#8
M Akkari, P Aranda, A Ben Haj Amara, E Ruiz-Hitzky
ZnO-clay nanoarchitectures have been prepared by In Situ generation of ZnO nanoparticles from zinc acetylacetonate in isopropanol under reflux in the presence of organoclays. Two layered clays, a commercial Wyoming montmorillonite and a smectite from Gafsa (Tunisia), and a fibrous clay, sepiolite from Vallecas-Vicalvaro (Spain), modified with cetyltrimethylammonium ions were the organoclay substrates for assembling the formed nanoparticles. After a convenient thermal treatment, the organic matter is eliminated and the ZnO/clay nanoarchitectures consolidated...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29767913/development-of-coverage-and-its-evaluation-in-the-treatment-of-chronic-wounds
#9
Marcia Diana Umebayashi Zanoti, Helena Megumi Sonobe, Sidney José Lima Ribeiro, Ana Maria Minarelli Gaspar
OBJECTIVES: To describe the development of the bacterial cellulose coating with anti-inflammatory Ibuprofen (BC/Ibu) and to evaluate the cicatrization process with its use in patients with chronic wounds of venous and diabetic etiology. METHODS: Longitudinal descriptive study. The cellulose membrane, cultivated with bacteria Gluconacetobacter xylinus and with incorporation of Ibuprofen, was used in the treatment of patients with chronic wounds in public health services in a Brazilian municipality...
October 2017: Investigación y Educación en Enfermería
https://www.readbyqxmd.com/read/29766729/cardiovascular-risk-of-non-steroidal-anti-inflammatory-drugs
#10
Štefan Alušík, Zoltán Paluch
Non-steroidal anti-inflammatory drugs (NSAIDs) belong to the most widely used drugs. Results of recent large meta-analyses have shown that the cardiovascular risk of NSAIDs is more serious than originally believed and is not associated exclusively with coxibs; it is also increased when using so called traditional NSAIDs. Data obtained to date show the safest drugs of this class in terms of cardiovascular risk are naproxen and ibuprofen at low doses. The position of naproxen as the safest NSAID has been challenged by some more recent findings...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29766368/systemic-contact-dermatitis
#11
REVIEW
Marcella Aquino, Greg Rosner
Systemic contact dermatitis (SCD) traditionally refers to a skin condition where an individual who is cutaneously sensitized to an allergen will subsequently react to that same allergen or a cross reacting allergen via a different route. It occurs to allergens including metals, medications, and foods. The exact pathophysiology underlying this disease remains unknown, although it appears to be mediated by type 4 hypersensitivity reactions and possibly type 3 hypersensitivity reactions. The p-I concept (pharmacologic interaction with immunoreceptors) hypothesized that drugs are able to bind directly to a T cell receptor without first being presented by MHC (major histocompatibility complex) molecules and without prior metabolism, which would help explain why SCD can be seen on first exposure to medications...
May 15, 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29763781/inhibition-of-vegf-gene-expression-in-osteoblast-cells-by-different-nsaids
#12
Francisco Javier Manzano-Moreno, Victor Javier Costela-Ruiz, Lucía Melguizo-Rodríguez, Rebeca Illescas-Montes, Olga García-Martínez, Concepción Ruiz, Javier Ramos-Torrecillas
OBJECTIVE: To determine the effect of different nonsteroidal anti-inflammatory drugs (NSAIDs) on vascular endothelial growth factor (VEGF) gene expression in two osteoblast cell populations. DESIGN: Osteoblasts obtained by primary culture (HOp) and human osteosarcoma cell line MG63 (MG-63), which were treated with 10 μM doses of acetaminophen, indomethacin, ketoprofen, diclofenac, ibuprofen, ketorolac, naproxen or piroxicam. At 24 h of treatment, their gene expression of VEGF was evaluated by real-time polymerase chain reaction (RT-PCR) and compared with the expression in untreated cells (control group)...
May 9, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29763655/no-evidence-of-adverse-pregnancy-outcome-after-exposure-to-ibuprofen-in-the-1st-trimester-evaluation-of-the-national-embryotox-cohort
#13
Katarina Dathe, Anne-Katrin Fietz, Lucas William Pritchard, Stephanie Padberg, Stefanie Hultzsch, Katja Meixner, Reinhard Meister, Christof Schaefer
Ibuprofen is an analgesic frequently used in the 1st and 2nd trimester of pregnancy. Most relevant studies deal with NSAID as a group and do not specifically focus on ibuprofen. In this study, 1117 women exposed to ibuprofen in the 1st trimester were compared to 2229 non-exposed women. Data were retrieved from the German Embryotox database. No significantly increased risk of major birth defects (4.8% vs. 4.1%; OR adjusted 1.11, 95% CI 0.75-1.64) or a distinct pattern of birth defects were found. The cumulative incidences of spontaneous abortions were similar across cohorts (15...
May 12, 2018: Reproductive Toxicology
https://www.readbyqxmd.com/read/29763434/ibuprofen-versus-pivmecillinam-for-uncomplicated-urinary-tract-infection-in-women-a-double-blind-randomized-non-inferiority-trial
#14
Ingvild Vik, Marianne Bollestad, Nils Grude, Anders Bærheim, Eivind Damsgaard, Thomas Neumark, Lars Bjerrum, Gloria Cordoba, Inge Christoffer Olsen, Morten Lindbæk
BACKGROUND: Although uncomplicated urinary tract infections (UTIs) are often self-limiting, most patients will be prescribed antibiotic treatment. We assessed whether treatment with ibuprofen was non-inferior to pivmecillinam in achieving symptomatic resolution by day 4, with a non-inferiority margin of 10%. METHODS AND FINDINGS: This was a randomized, controlled, double-blind non-inferiority trial. We recruited patients from 16 sites in a general practice setting in Norway, Sweden, and Denmark...
May 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29763267/top-20-research-studies-of-2017-for-primary-care-physicians
#15
Mark H Ebell, Roland Grad
Based on systematic surveillance of more than 110 medical journals, 247 studies met criteria as POEMs (patient-oriented evidence that matters) in 2017. Members of the Canadian Medical Association identified 20 of these POEMs as most relevant to practice. This article reviews the clinical questions and bottom-line answers from these studies. Blood pressure should be measured after a period of rest, using a bare arm, and orthostatic blood pressure is more predictive when measured after one minute of standing rather than three minutes...
May 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29761808/diversion-of-a-thioglycoligase-for-the-synthesis-of-1-o-acyl-arabinofuranoses
#16
Quentin Pavic, Sylvain Tranchimand, Loïc Lemiègre, Laurent Legentil
An arabinofuranosylhydrolase from the GH51 family was transformed into an acyl transferase by mutation of the catalytic acid/base amino acid. The resulting enzyme was able to transfer carboxylic acid onto the anomeric position of arabinose with complete chemo- and stereoselectivity. A wide range of acyl α-l-arabinofuranoses was obtained with yields ranging from 25 to 83%. Using this method, ibuprofen and N-Boc phenylalanine were successfully transformed into their corresponding acyl conjugates, expanding the scope of the reaction to drugs and amino acids...
May 15, 2018: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29759249/in-line-carbon-nanofiber-reinforced-hollow-fiber-mediated-liquid-phase-microextraction-using-a-3d-printed-extraction-platform-as-a-front-end-to-liquid-chromatography-for-automatic-sample-preparation-and-analysis-a-proof-of-concept-study
#17
Chanatda Worawit, David J Cocovi-Solberg, Pakorn Varanusupakul, Manuel Miró
A novel concept for automation of nanostructured hollow-fiber supported microextraction, combining the principles of liquid-phase microextraction (LPME) and sorbent microextraction synergically, using mesofluidic platforms is proposed herein for the first time, and demonstrated with the determination of acidic drugs (namely, ketoprofen, ibuprofen, diclofenac and naproxen) in urine as a proof-of-concept applicability. Dispersed carbon nanofibers (CNF) are immobilized in the pores of a single-stranded polypropylene hollow fiber (CNF@HF) membrane, which is thereafter accommodated in a stereolithographic 3D-printed extraction chamber without glued components for ease of assembly...
August 1, 2018: Talanta
https://www.readbyqxmd.com/read/29758872/enhanced-photoelectrochemical-degradation-of-ibuprofen-and-generation-of-hydrogen-via-bioi-deposited-tio-2-nanotube-arrays
#18
Hanlin Chen, Yen-Ping Peng, Ting-Yu Chen, Ku-Fan Chen, Ken-Lin Chang, Zhi Dang, Gui-Ning Lu, Hongping He
This study employed BiOI-deposited TiO2 nanotube arrays (BiOI-TNTAs) electrode in a photoelectrochemical (PEC) system to oxidize Ibuprofen and generate hydrogen in the anodic and cathodic chamber, respectively. FESEM results revealed the diameter of TiO2 nanotubes was 90-110nm. According to the XRD analysis, the BiOI-TNTAs were dominated by the anatase phase and tetragonal structure of BiOI. XPS results confirmed the coexistence of BiOI in the BiOI-TNTAs associated with Bi (33.76%) and I (8.81%). UV-vis absorption spectra illustrated BiOI-TNTAs exhibit strong absorptions in the visible light region...
August 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29757613/confocal-raman-microscopy-for-in-situ-measurement-of-phospholipid-water-partitioning-into-model-phospholipid-bilayers-within-individual-chromatographic-particles
#19
Jay P Kitt, David A Bryce, Shelley D Minteer, Joel M Harris
The phospholipid-water partition coefficient is a commonly measured parameter that correlates with drug efficacy, small-molecule toxicity, and accumulation of molecules in biological systems in the environment. Despite the utility of this parameter, methods for measuring phospholipid-water partition coefficients are limited. This is due to the difficulty of making quantitative measurements in vesicle membranes or supported phospholipid bilayers, both of which are small-volume phases that challenge the sensitivity of many analytical techniques...
May 14, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29757169/comparison-of-the-degradation-of-molecular-and-ionic-ibuprofen-in-a-uv-h-2-o-2-system
#20
Rongkui Su, Liyuan Chai, Chongjian Tang, Bo Li, Zhihui Yang
The advanced oxidation technologies based on • OH can effectively degrade the pharmaceutical and personal care products under operating conditions of normal temperature and pressure. In this study, direct photolysis of ibuprofen (IBU) is slow due to the relatively low molar extinction coefficient and quantum yield. Compared to direct photolysis, the degradation kinetics of IBU was significantly enhanced in the UV/H2 O2 system, mainly by • OH radical mediated oxidation. In the UV/H2 O2 system, the degradation rate of ionic IBU was slightly faster than that of the molecular form...
May 2018: Water Science and Technology: a Journal of the International Association on Water Pollution Research
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