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https://www.readbyqxmd.com/read/29348604/cromolyn-reduces-levels-of-the-alzheimer-s-disease-associated-amyloid-%C3%AE-protein-by-promoting-microglial-phagocytosis
#1
Can Zhang, Ana Griciuc, Eloise Hudry, Yu Wan, Luisa Quinti, Joseph Ward, Angela M Forte, Xunuo Shen, ChongZhao Ran, David R Elmaleh, Rudolph E Tanzi
Amyloid-beta protein (Aβ) deposition is a pathological hallmark of Alzheimer's disease (AD). Aβ deposition triggers both pro-neuroinflammatory microglial activation and neurofibrillary tangle formation. Cromolyn sodium is an asthma therapeutic agent previously shown to reduce Aβ levels in transgenic AD mouse brains after one-week of treatment. Here, we further explored these effects as well as the mechanism of action of cromolyn, alone, and in combination with ibuprofen in APPSwedish-expressing Tg2576 mice...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29338220/the-multiple-role-of-bromide-ion-in-ppcps-degradation-under-uv-chlorine-treatment
#2
Shuangshuang Cheng, Xinran Zhang, Xin Yang, Chii Shang, Weihua Song, Jingyun Fang, Yanheng Pan
This study investigated the role of bromide ions in the degradation of nine pharmaceuticals and personal care products (PPCPs) during the UV/chlorine treatment of simulated drinking water containing 2.5 mgC/L natural organic matter (NOM). The kinetics of contributions from UV irradiation and from oxidation by free chlorine, free bromine, hydroxyl radical and reactive halogen species were evaluated. The observed loss rate constants of PPCPs in the presence of 10 μM bromide were 1.6 to 23 times of those observed in the absence of bromide (except for iopromide and ibuprofen)...
January 16, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29332595/new-bis-pyrazolones-as-potential-leads-for-ros-inhibition-environment-friendly-green-synthesis-structural-characterization-and-in-vitro-studies
#3
Sahar Yousuf, Khalid Mohammed Khan, Uzma Salar, Almas Jabeen, Shakil Ahmed, Munira Taj Muhammad, Aisha Faheem, Shahnaz Perveen
BACKGROUND: Pyrazolones have identified as significant antioxidant agents and many marketed and clinically prescribed NSAIDs have pyrazolone ring as main scaffold. METHOD: Keeping in consideration the antioxidant potential of pyrazolone scaffold, new bis-pyrazolones 3-30 were synthesized by a green and enviroment friendly reaction route, in which two equivalents of 1-(4-chlorophenyl)-3-methyl-1H-pyrazol-5-ol were treated with one equivalent of benzaldehyde derivatives without any catalyst...
January 12, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29332199/analysis-of-the-data-on-pregnancy-and-lactation-provided-by-patient-information-leaflets-of-anti-rheumatic-drugs-in-argentina
#4
Miguel Ormaza Sabando, Maira Arias Saavedra, Gabriel Sequeira, Eduardo Kerzberg
To analyse the level of consistency and updating of the information on pregnancy and lactation provided by patient information leaflets (PILs) of the antirheumatic drugs approved in Argentina. Inconsistencies between the 2016 EULAR Task Force recommendations on the use of anti-rheumatic drugs during pregnancy and lactation and the information provided by PILs of the same drugs approved in Argentina were analysed along with inconsistencies within the PILs of different registered trademarks of these drugs. Eighty-eight PILs of 32 drugs were analysed...
January 13, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29329493/a-randomized-double-blind-controlled-trial-of-intravenous-meloxicam-in-the-treatment-of-pain-following-dental-impaction-surgery
#5
Steven E Christensen, Stephen A Cooper, Randall J Mack, Stewart W McCallum, Wei Du, Alex Freyer
This randomized, controlled phase 2 study was conducted to evaluate the analgesic efficacy, safety, and tolerability of single intravenous (IV) doses of 15 mg, 30 mg, and 60 mg meloxicam compared with oral ibuprofen 400 mg and placebo after dental impaction surgery. The primary efficacy end point was the sum of time-weighted pain intensity differences for 0-24 hours postdose. Among 230 evaluable subjects, meloxicam IV 60 mg produced the greatest reduction in pain, followed by the 30-mg and 15-mg doses. Statistically significant differences in summed pain intensity differences over 24 hours were demonstrated for each active-treatment group vs placebo (favoring active treatment) and for meloxicam IV 30 mg and 60 mg vs ibuprofen 400 mg (favoring meloxicam IV)...
January 12, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29327191/iron-impregnated-zeolite-catalyst-for-efficient-removal-of-micropollutants-at-very-low-concentration-from-meurthe-river
#6
Hawraa Ayoub, Thibault Roques-Carmes, Olivier Potier, Bachar Koubaissy, Steve Pontvianne, Audrey Lenouvel, Cédric Guignard, Emmanuel Mousset, Hélène Poirot, Joumana Toufaily, Tayssir Hamieh
In this paper, for the first time, faujasite Y zeolite impregnated with iron (III) was employed as a catalyst to remove a real cocktail of micropollutants inside real water samples from the Meurthe river by the means of the heterogeneous photo-Fenton process. The catalyst was prepared by the wet impregnation method using iron (III) nitrate nonahydrate as iron precursor. First, an optimization of the process parameters was conducted using phenol as model macro-pollutant. The hydrogen peroxide concentration, the light wavelength (UV and visible) and intensity, the iron loading immobilized, as well as the pH of the solution were investigated...
January 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29323795/a-pharmacokinetic-study-of-an-ibuprofen-topical-patch-in-healthy-male-and-female-adult-volunteers
#7
Fraser Lewis, Mark P Connolly, Aomesh Bhatt
The pharmacokinetics of a novel locally applied ibuprofen topical patch was evaluated. Healthy subjects (n = 28) were administered a 200-mg ibuprofen patch every 24 hours for 5 days, and steady-state pharmacokinetics was determined. The amount of ibuprofen remaining in the patch following each patch removal was also assessed. The maximum steady-state drug concentration and area under the concentration curve from time 0 on day 5 (t = 0) to the 24-hours sample on day 6 were 514 ng/mL (95% CI 439 to 603 ng/mL) and 9...
January 11, 2018: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29318292/synthesis-and-structure-activity-relationship-of-some-indole-derivatives-as-potential-anti-inflammatory-agents
#8
Samar S Fatahala, Mohammed A Khedr, Mossad S Mohamed
A series of fused pyrroles were synthesized and tested for their in vivo anti-inflammatory activity. Among 14 examined derivatives, 5 derivatives (1b-e, g and 5b), showed a promising anti-inflammatory activity equivalent to reference anti-inflammatory drugs (indomethacin and ibuprofen). A molecular docking study was conducted to interpret the biological activities of the tested compounds. The docking results were complementary with the phase of the biological survey and confirmed the biological effects.
December 2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/29313709/association-of-high-dose-ibuprofen-use-lung-function-decline-and-long-term-survival-in-children-with-cystic-fibrosis
#9
Michael W Konstan, Donald R VanDevanter, Gregory S Sawicki, David J Pasta, Aimee J Foreman, Evgueni A Neiman, Wayne J Morgan
RATIONALE: Cystic fibrosis (CF) deaths result primarily from lung function loss, so chronic respiratory therapies intended to preserve lung function are cornerstones of CF care. Although treatment-associated reduction in rate of lung function loss should ultimately improve CF survival, no such relationship has been described for any chronic CF therapy. In part, this is because the ages of most rapid lung function decline -- early adolescence -- precede the median age of CF deaths by more than a decade...
January 9, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29311296/ibuprofen-alters-human-testicular-physiology-to-produce-a-state-of-compensated-hypogonadism
#10
David Møbjerg Kristensen, Christèle Desdoits-Lethimonier, Abigail L Mackey, Marlene Danner Dalgaard, Federico De Masi, Cecilie Hurup Munkbøl, Bjarne Styrishave, Jean-Philippe Antignac, Bruno Le Bizec, Christian Platel, Anders Hay-Schmidt, Tina Kold Jensen, Laurianne Lesné, Séverine Mazaud-Guittot, Karsten Kristiansen, Søren Brunak, Michael Kjaer, Anders Juul, Bernard Jégou
Concern has been raised over increased male reproductive disorders in the Western world, and the disruption of male endocrinology has been suggested to play a central role. Several studies have shown that mild analgesics exposure during fetal life is associated with antiandrogenic effects and congenital malformations, but the effects on the adult man remain largely unknown. Through a clinical trial with young men exposed to ibuprofen, we show that the analgesic resulted in the clinical condition named "compensated hypogonadism," a condition prevalent among elderly men and associated with reproductive and physical disorders...
January 8, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29311081/antimicrobial-activity-of-ibuprofen-against-cystic-fibrosis-associated-gram-negative-pathogens
#11
Parth N Shah, Kimberly R Marshall-Batty, Justin A Smolen, Jasur A Tagaev, Qingquan Chen, Christopher A Rodesney, Henry H Le, Vernita D Gordon, David E Greenberg, Carolyn L Cannon
Clinical trials have demonstrated the benefits of ibuprofen therapy in cystic fibrosis (CF) patients, an effect that is currently attributed to ibuprofen's anti-inflammatory properties. Yet, a few previous reports demonstrate an antimicrobial activity of ibuprofen as well, although none investigate its direct effects on the pathogens found in the CF lung, which is the focus of this work. Determination of ibuprofen's in vitro antimicrobial activity against Pseudomonas aeruginosa and Burkholderia spp. strains through measurements of endpoint colony-forming units (CFU) and growth kinetics showed that ibuprofen reduces the growth rate and bacterial burden of tested strains in a dose-dependent fashion...
January 8, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29310491/influence-of-processing-methods-on-physico-mechanical-properties-of-ibuprofen-hpc-ssl-formulation
#12
Kaushalendra Chaturvedi, Bhavin Y Gajera, Ting Xu, Harsh Shah, Rutesh H Dave
The objective of the present study was to investigate the influence of processing methods on the physical and mechanical properties of formulations containing Ibuprofen and HPC-SSL. The powder blends, containing Ibuprofen and HPC-SSL in ratio of 9:0.5, were processed using melt granulation (MG) by hot melt extrusion (HME) and wet granulation (WG) by high shear mixer. Formulated granules and powder blends were compressed into round flat faced tablets using Riva Piccola tablet press. Differential scanning calorimetry (DSC) and X-ray powder diffraction (XRPD) studies proved that granulation process did not significantly alter the crystallinity of Ibuprofen, however particle density and flow properties were significantly improved...
January 9, 2018: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/29310282/use-of-polymer-inclusion-membranes-pims-as-support-for-electromembrane-extraction-of-non-steroidal-anti-inflammatory-drugs-and-highly-polar-acidic-drugs
#13
Román-Hidalgo Cristina, Martín-Valero María Jesús, Fernández-Torres Rut, Bello-López Miguel Ángel
The use of polymer inclusion membranes (PIMs) as support of 1-octanol liquid membrane in electromembrane extraction (EME) procedure is proposed. Synthesis of PIMs were optimized to a composition of 29% (w/w) of cellulose triacetate as base polymer and 71% (w/w) of Aliquat®336 as cationic carrier. Flat PIMs of 25µm thickness and 6mm diameter were used. EME protocol was implemented for the simultaneous extraction of four non-steroidal anti-inflammatory drugs (NSAIDs) (salicylic acid, ketoprofen, naproxen and ibuprofen) and four highly polar acidic drugs (anthranilic acid, nicotinic acid, amoxicillin and hippuric acid)...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29310071/non-targeted-investigation-of-benthic-invertebrates-chironomus-riparius-exposed-to-wastewater-treatment-plant-effluents-using-nanoliquid-chromatography-coupled-to-high-resolution-mass-spectrometry
#14
Alexandra Berlioz-Barbier, Audrey Buleté, Aurélie Fildier, Jeanne Garric, Emmanuelle Vulliet
Nanoliquid chromatography (nanoLC) was coupled to high-resolution mass spectrometry (HRMS) to perform a non-targeted investigation on benthic invertebrates, Chironomus riparius exposed to wastewater treatment plant (WWTP) effluents. Insect larvae represent a complex and low-weight matrix that required the use of a miniaturized Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) method of extraction followed by nanoLC-HRMS to perform the analysis. The optimization of this coupling in terms of separation conditions including trapping step, detection conditions and data treatment provided reproducible fingerprints on insect larvae exposed to WWTP effluents with both in situ and ex-situ approaches...
January 2, 2018: Chemosphere
https://www.readbyqxmd.com/read/29309155/mutual-impact-of-phase-separation-crystallization-and-water-sorption-in-amorphous-solid-dispersions
#15
Christian Luebbert, Maximilian Wessner, Gabriele Sadowski
The molecular integration of poorly-water-soluble active pharmaceutical ingredients (APIs) in a suitable polymeric matrix is a possible approach to enhance the dissolution behavior and solubility of these APIs. Like all newly-developed pharmaceutical formulations, these formulations (often denoted as amorphous solid dispersions (ASDs)) need to undergo storage stability tests at defined relative humidity (RH) and temperature conditions. In a previous work (Int. J. Pharm. 532 (2017) 635-646), it was shown that thermodynamic modeling can be successfully used to predict the long-term stability of ASDs against API crystallization and moisture-induced amorphous-amorphous phase separation (MIAPS)...
January 8, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29308684/increase-of-reactive-oxygen-species-in-different-tissues-during-lipopolysaccharide-induced-fever-and-antipyresis-an-electron-paramagnetic-resonance-study
#16
Bruna R B Gomes, Marina Firmino, Jardeson S Jorge, Maria L O Ferreira, Thays M Rodovalho, Simone N Weis, Gloria E P Souza, Paulo C Morais, Marcelo V Sousa, Paulo E N Souza, Fabiane H Veiga-Souza
Fever is a regulated increase in body temperature and a component of the acute-phase response, triggered mainly after the invasion of pathogens in the body. Reactive oxygen species (ROS) are generated during the physiological and pathological processes, and can act as both signaling molecules as well as promoters of oxidative stress. Male Wistar rats, pretreated with oral doses of acetaminophen, celecoxib, dipyrone, or ibuprofen 30 min before an intravenous lipopolysaccharide (LPS) or sterile saline injection, showed a reduced febrile response in all animals tested...
January 8, 2018: Free Radical Research
https://www.readbyqxmd.com/read/29308522/-short-term-effect-of-ibuprofen-on-clinical-indexes-and-cytokines-in-the-gingival-crevicular-fluid-of-patients-with-severe-chronic-periodontitis
#17
Xiao-Na Sun, Ai-Mei Song, Pi-Shan Yang
PURPOSE: To explore the short-term effects of ibuprofen on clinical indexes and cytokines in the gingival crevicular fluid of patients with severe chronic periodontitis. METHODS: Twenty subjects with severe chronic periodontitis but otherwise healthy participated in the study and they were divided into two groups randomly. The patients in the experimental group took ibuprofen 300mg, bid for 5 days after scaling and root planing (SRP), while patients in the control group only underwent SRP...
October 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29307562/anti-inflammatory-drug-use-and-progressive-supranuclear-palsy
#18
Connie Marras, Christopher R Cunningham, Jiayi Hou, James Proudfoot, David G Standaert, Jorge Juncos, David Riley, Stephen G Reich, Deborah Hall, Benzi Kluger, Yvette Bordelon, David R Shprecher, Irene Litvan
BACKGROUND: Anti-inflammatory drug use, particularly ibuprofen, has been associated with a lower risk of Parkinson's disease. Microglial activation and inflammatory cytokine expression have been shown to be pathological features of progressive supranuclear palsy. We examined the association between NSAID use and risk of PSP, disease severity and age at onset. METHODS: The ENGENE-PSP multicenter case-control study recruited incident PSP cases who met the NINDS-PSP Society diagnostic criteria and age-, sex- and race-matched controls primarily from the same geographical areas...
December 6, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29305984/3d-printed-tablets-with-internal-scaffold-structure-using-ethyl-cellulose-to-achieve-sustained-ibuprofen-release
#19
Yan Yang, Huihui Wang, Haichao Li, Zhimin Ou, Gensheng Yang
The object of this study is to prepare and evaluate tablets with predesigned internal scaffold structure using 3D printing to achieve sustained drug release. Model drug (ibuprofen) and sustained release material (ethyl cellulose), together with other excipients, were firstly mixed and extruded into filaments by hot melt extrusion. Then these obtained filaments were printed into tablets by fused deposition modeling. The tablets printability and drug release behavior were influenced by drug content, release modifiers, printing parameters and modeling...
January 3, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29302650/enhanced-dissolution-of-ibuprofen-using-ionic-liquids-as-catanionic-hydrotropes
#20
T E Sintra, K Shimizu, S P M Ventura, S Shimizu, J N Canongia Lopes, J A P Coutinho
The therapeutic effectiveness of a drug largely depends on its bioavailability, and thus ultimately on its aqueous solubility. Hydrotropes are compounds able to enhance the solubility of hydrophobic substances in aqueous media and therefore are extensively used in the formulation of drugs and personal care products. Recently, some ionic liquids were shown to display a strong ability to enhance the solubility of biomolecules through hydrotropy. In this work, the impact of the ionic liquid chemical structures and their concentration on the solubility of ibuprofen was evaluated and compared with the performance of conventional hydrotropes...
January 5, 2018: Physical Chemistry Chemical Physics: PCCP
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