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https://www.readbyqxmd.com/read/28935439/comparison-of-cannabinoids-with-known-analgesics-using-a-novel-high-throughput-zebrafish-larval-model-of-nociception
#1
L D Ellis, F Berrue, M Morash, J C Achenbach, J Hill, J J McDougall
It has been established that both adult and larval zebrafish are capable of showing nociceptive responses to noxious stimuli; however, the use of larvae to test novel analgesics has not been fully explored. Zebrafish larvae represent a low-cost, high-throughput alternative to traditional mammalian models for the assessment of product efficacy during the initial stages of drug development. In the current study, a novel model of nociception using zebrafish larvae is described. During the recovery from an acute exposure to low levels of acetic acid, larvae display innate changes in behaviour that may be indicative of nociception...
September 18, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28934782/the-dose-dependent-effects-of-ketoprofen-on-dynamic-pain-after-open-heart-surgery
#2
Vedat Eljezi, Claire Biboulet, Henri Boby, Pierre Schoeffler, Bruno Pereira, Christian Duale
BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs) can reduce postoperative pain, in both static (i.e., at rest) and dynamic contexts (e.g., during coughing or mobilization), and reduced doses could improve their efficacy/tolerance balance. OBJECTIVES: To test this hypothesis of efficacy after open heart surgery, in which NSAIDs are poorly used, particularly for safety concerns. STUDY DESIGN: Randomized, double-blind trial. SETTING: Single-center, French university hospital...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934748/severe-drug-induced-liver-injury-as-an-adverse-drug-event-of-antibiotics-a-case-report-and-review-of-the-literature
#3
Martin Munz, Hans Grummich, Josef Birkmann, Martin Wilhelm, Ulrike Holzgrabe, Fritz Sörgel
Drug-induced liver injury is one of the main reasons for acute liver failure. We report the case of a young patient who experienced a drug-induced liver injury resulting in life-threatening acute liver failure after treatment with different antibiotics (amoxicillin, ciprofloxacin, cefazolin, clindamycin) and acetaminophen, or a combination of these drugs. Moreover, we provide an overview of the hepatotoxic potential of these drugs.
September 22, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28933267/neonatal-plasticity-of-the-nociceptive-system-mechanisms-effects-and-treatment-of-repetitive-painful-procedures-during-nicu-admittance
#4
N J Van den Hoogen, J Patijn, D Tibboel, E A Joosten
INTRODUCTION: In Neonatal Intensive Care Unit (NICU), prematurely born infants undergo a range of skin breaking and painful procedures. At the same time, the spinal nociceptive system is in a sensitive developmental stage. Both neonatal repetitive painful procedures and their treatment can induce plasticity of the neonatal spinal nociceptive system, causing long-lasting alterations to pain processing and pain reactivity. METHODS: This review focuses on developmental processes related to the nociceptive network in the spinal dorsal horn and more specifically at mechanisms related to 1...
September 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28933266/intravenous-paracetamol-dosing-guidelines-for-pain-management-in-pre-term-neonates-using-the-paediatric-study-decision-tree
#5
P Mian, C A J Knibbe, E A M Calvier, D Tibboel, K Allegaert
BACKGROUND: Intravenous paracetamol (acetaminophen) has not been licensed for analgesia in preterm neonates or infants < 2 years, respectively, in Europe and the United States. A variety of dosing regimens is therefore used off-label. Because evidence supports the use of the same target mean steady state paracetamol concentration (Cssmean, 9-11 mg/L) for pain relief in neonates compared to older children and adults, dosing regimens based on this Cssmean were evaluated in a two-step approach...
September 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28933094/-protective-effects-of-luteolin-against-acetaminophen-induced-damage-in-l02-liver-cells
#6
Lan-Zhi He, Ya-Kun Meng, Yan-Zhong Han, Zhen-Fang Zhang, Ping Yin, Xiu-Xiu Sang, Xiao-He Xiao, Zhao-Fang Bai
This paper was aimed to investigate the protective effects of luteolin (Lut) against acetaminophen(APAP)-induced damage in L02 liver cells. CCK-8 was used to detect the cell activation of L02 cells treated by different Lut. The concentration and time of APAP induced L02 cell damage was screened. The effect of Lut on APAP induced apoptosis of L02 cells was detected by cell morphological observation, CCK-8 assay and flow cytometry. The contents of MDA, GSH and SOD activity in cell supernatant were detected by colorimetric assay...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28932176/effect-of-udp-glucuronosyltransferase-ugt-1a-polymorphism-rs8330-and-rs10929303-on-glucuronidation-status-of-acetaminophen
#7
Huma Mehboob, Imtiaz Mahmood Tahir, Tahira Iqbal, Sadaf Saleem, Sofia Perveen, Aboubakker Farooqi
Interindividual variability in polymorphic uridine diphosphate-glucuronosyltransferase 1A1 (UGT1A1) ascribed to genetic diversity is associated with relative glucuronidation level among individuals. The present research was aimed to study the effect of 2 important single nucleotide polymorphisms (SNPs; rs8330 and rs10929303) of UGT1A1 gene on glucuronidation status of acetaminophen in healthy volunteers (n = 109). Among enrolled volunteers, 54.13% were male (n = 59) and 45.87% were female (n = 50). The in vivo activity of UGT1A1 was investigated by high-performance liquid chromatography-based analysis of glucuronidation status (ie, acetaminophen and acetaminophen glucuronide) in human volunteers after oral intake of a single dose (1000 mg) of acetaminophen...
July 2017: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/28931625/pml-is-a-ros-sensor-activating-p53-upon-oxidative-stress
#8
Michiko Niwa-Kawakita, Omar Ferhi, Hassane Soilihi, Morgane Le Bras, Valérie Lallemand-Breitenbach, Hugues de Thé
Promyelocytic leukemia (PML) nuclear bodies (NBs) recruit partner proteins, including p53 and its regulators, thereby controlling their abundance or function. Investigating arsenic sensitivity of acute promyelocytic leukemia, we proposed that PML oxidation promotes NB biogenesis. However, physiological links between PML and oxidative stress response in vivo remain unexplored. Here, we identify PML as a reactive oxygen species (ROS) sensor. Pml(-/-) cells accumulate ROS, whereas PML expression decreases ROS levels...
September 20, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28928980/common-yet-elusive-a-case-of-severe-anion-gap-acidosis
#9
Akanksha Agrawal, Marina Kishlyansky, Sylvia Biso, Soumya Patnaik, Chitra Punjabi
Acid-base disturbances are common occurrence in hospitalized patients with life threatening complications. 5-oxoproline has been increasingly recognized as cause of high anion gap metabolic acidosis (AGMA) in association with chronic acetaminophen use. However, laboratory workup for it are not widely available. We report case of 56-year-old female with severe AGMA not attributable to ketoacidosis, lactic acidosis or toxic ingestion. History was significant for chronic acetaminophen use, and laboratory workup negative for all frequent causes of AGMA...
September 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28926443/recovery-after-nulliparous-birth-a-detailed-analysis-of-pain-analgesia-and-recovery-of-function
#10
Ryu Komatsu, Brendan Carvalho, Pamela D Flood
BACKGROUND: The majority of parturients in the United States first return for evaluation by their obstetric practitioner 6 weeks after delivery. As such, there is little granular data on the pain experience, analgesic requirements, and functional recovery during the postpartum period. This prospective observational study was performed to evaluate these factors to provide expectations for patients. METHODS: A total of 213 nulliparous women were enrolled and assessed daily until they completed 3 outcomes: (1) pain resolution; (2) opioid cessation; and (3) self-assessed functional recovery from delivery...
October 2017: Anesthesiology
https://www.readbyqxmd.com/read/28924552/schisandra-sphenanthera-extract-wuzhi-tablet-protects-against-chronic-binge-and-acute-alcohol-induced-liver-injury-by-regulating-the-nrf2-are-pathway-in-mice
#11
Xuezhen Zeng, Xi Li, Chenshu Xu, Fulin Jiang, Yufei Mo, Xiaomei Fan, Yaoting Li, Yiming Jiang, Dongshun Li, Min Huang, Huichang Bi
Alcohol abuse leads to alcoholic liver disease and no effective therapy is currently available. Wuzhi Tablet (WZ), a preparation of extract from Schisandra sphenanthera that is a traditional hepato-protective herb, exerted a significant protective effect against acetaminophen-induced liver injury in our recent studies, but whether WZ can alleviate alcohol-induced toxicity remains unclear. This study aimed to investigate the contribution of WZ to alcohol-induced liver injury by using chronic-binge and acute models of alcohol feeding...
September 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28923768/applicability-of-low-melting-point-microcrystalline-wax-to-develop-temperature-sensitive-formulations
#12
Kohei Matsumoto, Shin-Ichiro Kimura, Yasunori Iwao, Shigeru Itai
Low-melting-point substances are widely used to develop temperature-sensitive formulations. In this study, we focused on microcrystalline wax (MCW) as a low-melting-point substance. We evaluated the drug release behavior of wax matrix (WM) particles using various MCW under various temperature conditions. WM particles containing acetaminophen were prepared using a spray congealing technique. In the dissolution test at 37°C, WM particles containing low-melting-point MCWs whose melting was starting at approx...
September 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28919358/perfused-human-hepatocyte-microtissues-identify-reactive-metabolite-forming-and-mitochondria-perturbing-hepatotoxins
#13
Cliff Rowe, Mohsen Shaeri, Emma Large, Terri Cornforth, Angela Robinson, Tomasz Kostrzewski, Rowena Sison-Young, Christopher Goldring, Kevin Park, David Hughes
Hepatotoxins cause liver damage via many mechanisms but the formation of reactive metabolites and/or damage to liver mitochondria are commonly implicated. We assess 3D human primary hepatocyte microtissues as a platform for hepatotoxicity studies with reactive metabolite-forming and mitochondria-perturbing compounds. We show that microtissues formed from cryopreserved human hepatocytes had bile canaliculi, transcribed mRNA from genes associated with xenobiotic metabolism and expressed functional cytochrome P450 enzymes...
September 15, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28919091/intravenous-acetaminophen-as-an-adjunct-to-multimodal-analgesia-after-total-knee-and-hip-arthroplasty-a-systematic-review-and-meta-analysis
#14
REVIEW
Liqing Yang, Shuai Du, Yuefeng Sun
BACKGROUND: This meta-analysis aimed to perform a meta-analysis to investigate the impact of additional intravenous acetaminophen for pain management after total joint arthroplasty (TJA). METHODS: We conducted electronic searches of Medline (1966-2017.07), PubMed (1966-2017.07), Embase (1980-2017.07), ScienceDirect (1985-2017.07) and the Cochrane Library. Randomized controlled trials (RCTs) and non-RCTs were included. The quality assessments were performed according to the Cochrane systematic review method...
September 14, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28918124/polyphenols-reported-to-shift-apap-induced-changes-in-mapk-signaling-and-toxicity-outcomes
#15
REVIEW
Ngoc Uy Nguyen, Brendan David Stamper
Due to its widespread availability, acetaminophen (APAP) is the leading cause for drug-induced liver injury in many countries including United States and United Kingdom. When used as recommended, APAP is relatively safe. However, in overdose cases, increased metabolism of APAP to N-acetyl-para-benzoquinoneimine (NAPQI), a reactive metabolite, leads to glutathione (GSH) depletion, oxidative stress, and cellular injury. Throughout this process, a variety of factors play important roles in propagating toxicity, including c-Jun N-terminal kinase (JNK), a member of the mitogen-activated protein kinase (MAPK) family...
September 13, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28917742/analysis-of-glutathione-in-the-presence-of-acetaminophen-and-tyrosine-via-an-amplified-electrode-with-mgo-swcnts-as-a-sensor-in-the-hemolyzed-erythrocyte
#16
Fahimeh Tahernejad-Javazmi, Mehdi Shabani-Nooshabadi, Hassan Karimi-Maleh
In this study, we investigated the effect of adding MgO/SWCNTs and 2-Chloro-N'-[1-(2,5-dihydroxyphenyl) methylidene]aniline (2-CDHPMA) to a carbon paste matrix, which could act as a voltammetric sensor for the analysis of glutathione. The electrocatalytic interaction between 2-CDHPMA and glutathione was used as a factor for the analysis of this biological compound in real samples. In addition, the presence of MgO/SWCNTs can help in increasing the sensitivity of the fabricated sensor and for obtaining a low limit of detection in the analysis of glutathione...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28915908/advances-in-paediatrics-in-2016-current-practices-and-challenges-in-allergy-autoimmune-diseases-cardiology-endocrinology-gastroenterology-infectious-diseases-neonatology-nephrology-neurology-nutrition-pulmonology
#17
REVIEW
Carlo Caffarelli, Francesca Santamaria, Dora Di Mauro, Carla Mastrorilli, Silvia Montella, Sergio Bernasconi
This review reports main progresses in various pediatric issues published in Italian Journal of Pediatrics and in international journals in 2016. New insights in clinical features or complications of several disorders may be useful for our better understanding. They comprise severe asthma, changing features of lupus erythematosus from birth to adolescence, celiac disease, functional gastrointestinal disorders, Moebius syndrome, recurrent pneumonia. Risk factors for congenital heart defects, Kawasaki disease have been widely investigated...
September 16, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28899847/enhancing-seasonal-influenza-surveillance-topic-analysis-of-widely-used-medicinal-drugs-using-twitter-data
#18
Ireneus Kagashe, Zhijun Yan, Imran Suheryani
BACKGROUND: Uptake of medicinal drugs (preventive or treatment) is among the approaches used to control disease outbreaks, and therefore, it is of vital importance to be aware of the counts or frequencies of most commonly used drugs and trending topics about these drugs from consumers for successful implementation of control measures. Traditional survey methods would have accomplished this study, but they are too costly in terms of resources needed, and they are subject to social desirability bias for topics discovery...
September 12, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28899809/estimation-of-drug-particle-size-in-intact-tablets-by-two-dimensional-x-ray-diffractometry
#19
Seema Thakral, Naveen K Thakral, Raj Suryanarayanan
The average grain size of a crystalline material can be determined from the γ-profile of Debye rings in two-dimensional X-ray diffraction (2D XRD) frames. Our objectives were to: (i) validate the method for organic powders and use it to determine the grain size in intact tablets, and (ii) demonstrate the pharmaceutical application of this technique by determining the grain size of the active pharmaceutical ingredient (API) in marketed formulations. Six sieve fractions of sucrose were prepared and the particle size distribution was confirmed by laser diffraction...
September 9, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28899510/screening-of-hepatoprotective-compounds-from-licorice-against-carbon-tetrachloride-and-acetaminophen-induced-hepg2-cells-injury
#20
Yi Kuang, Yan Lin, Kai Li, Wei Song, Shuai Ji, Xue Qiao, Qingying Zhang, Min Ye
BACKGROUND: Licorice and its constituents, especially licorice flavonoids have been reported to possess significant hepatoprotective activities. However, previous studies mainly focus on the extract and major compounds, and few reports are available on other licorice compounds. PURPOSE: This work aims to evaluate the in vitro hepatoprotective activities of licorice compounds and screen active compounds, and to establish the structure-activity relationship. METHODS: A compound library consisting of 180 compounds from three medicinal licorice species, Glycyrrhiza uralensis, G...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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