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https://www.readbyqxmd.com/read/29352929/structural-characterization-antioxidant-and-hepatoprotective-activities-of-polysaccharides-from-sophorae-tonkinensis-radix
#1
Liangliang Cai, Shanshan Zou, Dengpan Liang, Libiao Luan
In current study we present two polysaccharides, STRP1 and STRP2, purified from Sophorae tonkinensis Radix via column chromatography. Structural analyses indicated that STRP1 and STRP2 were consisted of mannose, rhamnose, glucuronic acid, glucose, galactose and arabinose in a similar molar ratio with main backbones of (1 → 3)-linked-α-d-Gal and (1 → 4)-linked-α-d-Glc, while average molecular weights were 1.30 × 104 and 1.98 × 105 Da, respectively. We observed a strong chelating ability on ferrous ions; substantial radical scavenging activities on DPPH, hydroxyl and superoxide anion radicals in vitro; and significant attenuation on acetaminophen-induced hepatic oxidative damage in mice for STRP1 and STRP2...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352454/decreased-opioid-consumption-and-enhance-recovery-with-the-addition-of-iv-acetaminophen-in-colorectal-patients-a-prospective-multi-institutional-randomized-double-blinded-placebo-controlled-study-dociva-study
#2
Amir H Aryaie, Sepehr Lalezari, Wallace K Sergent, Yana Puckett, Christopher Juergens, Craig Ratermann, Cari Ogg
BACKGROUND: We hypothesized that administration of IV acetaminophen alone would reduce the opioid consumption in post-operative colorectal surgery and reduce the side effects of narcotics. METHODS: Patients were randomized to receive either IV acetaminophen or placebo in addition to opioid PCA. Primary endpoints evaluated were opioid consumption and pain visual analogue scale score (PVASS) during first 48 h post-operatively. Secondary endpoints evaluated were time of return of GI function (ROGIF), time to diet ordered (TTDO), length of hospital stay (LOHS), and occurrence of ileus...
January 19, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29351748/a-comparative-study-of-three-conservative-treatments-in-patients-with-lumbar-spinal-stenosis-lumbar-spinal-stenosis-with-acupuncture-and-physical-therapy-study-lap-study
#3
Hiroyuki Oka, Ko Matsudaira, Yuichi Takano, Daichi Kasuya, Masaki Niiya, Juichi Tonosu, Masayoshi Fukushima, Yasushi Oshima, Tomoko Fujii, Sakae Tanaka, Hirohiko Inanami
BACKGROUND: Although the efficiency of conservative management for lumbar spinal stenosis (LSS) has been examined, different conservative management approaches have not been compared. We have performed the first comparative trial of three types of conservative management (medication with acetaminophen, exercise, and acupuncture) in Japanese patients with LSS. METHODS: Patients with L5 root radiculopathy associated with LSS who visited our hospital for surgical treatment were enrolled between December 2011 and January 2014...
January 19, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29343586/a-case-of-cardiomyopathy-due-to-premature-ductus-arteriosus-closure-the-flip-side-of-paracetamol
#4
Ingrid Anne Mandy Schierz, Mario Giuffrè, Ettore Piro, Simona La Placa, Giovanni Corsello
Paracetamol (acetaminophen or N-acetyl-p-aminophenol) is considered a safe analgesic and antipyretic nonsteroidal antiinflammatory drug commonly used during pediatric ages and during pregnancy. We report on a term neonate with closed ductus arteriosus, severe cardiomyopathy, right ventricular dysfunction, and functional stenosis of pulmonary arteries at birth after maternal self-medication with paracetamol and consumption of polyphenol-rich foods in late pregnancy. This drug, especially when associated with other vasoconstrictors (such as polyphenols), interferes with prostaglandin metabolism, which seriously accentuates the intrauterine ductus arteriosus constriction and leads to pharmacologic adverse events...
January 17, 2018: Pediatrics
https://www.readbyqxmd.com/read/29342206/silymarin-prevents-acetaminophen-induced-hepatotoxicity-in-mice
#5
Zuzana Papackova, Marie Heczkova, Helena Dankova, Eva Sticova, Alena Lodererova, Lenka Bartonova, Martin Poruba, Monika Cahova
Acetaminophen or paracetamol (APAP) overdose is a common cause of liver injury. Silymarin (SLM) is a hepatoprotective agent widely used for treating liver injury of different origin. In order to evaluate the possible beneficial effects of SLM, Balb/c mice were pretreated with SLM (100 mg/kg b.wt. per os) once daily for three days. Two hours after the last SLM dose, the mice were administered APAP (300 mg/kg b.wt. i.p.) and killed 6 (T6), 12 (T12) and 24 (T24) hours later. SLM-treated mice exhibited a significant reduction in APAP-induced liver injury, assessed according to AST and ALT release and histological examination...
2018: PloS One
https://www.readbyqxmd.com/read/29341895/prenatal-paracetamol-exposure-and-child-neurodevelopment-a-review
#6
REVIEW
Ann Z Bauer, David Kriebel, Martha R Herbert, Carl-Gustaf Bornehag, Shanna H Swan
BACKGROUND: The non-prescription medication paracetamol (acetaminophen, APAP) is currently recommended as a safe pain and fever treatment during pregnancy. However, recent studies suggest a possible association between APAP use in pregnancy and offspring neurodevelopment. OBJECTIVES: To conduct a review of publications reporting associations between prenatal APAP use and offspring neurodevelopmental outcomes. METHODS: Relevant sources were identified through a key word search of multiple databases (Medline, CINAHL, OVID and TOXNET) in September 2016...
January 13, 2018: Hormones and Behavior
https://www.readbyqxmd.com/read/29338970/baicalein-and-baicalin-alleviate-acetaminophen-induced-liver-injury-by-activating-nrf2-antioxidative-pathway-the-involvement-of-erk1-2-and-pkc
#7
Liang Shi, Zhanxia Hao, Shaobo Zhang, Mengjuan Wei, Bin Lu, Zhengtao Wang, Lili Ji
Acetaminophen (APAP)-induced hepatotoxicity is the main cause of drug-induced liver injury. This study investigated the protection of baicalin and its aglycone baicalein against APAP-induced hepatotoxicity and its mechanism. Baicalein and baicalin alleviated APAP-induced hepatotoxicity both in vitro and in vivo. Moreover, baicalin-provided this protection was not diminished in hepatocytes or mice treated with β-glucuronidase inhibitor. Results of liver glutathione (GSH) and reactive oxygen species (ROS) formation demonstrated the alleviation of baicalein and baicalin on APAP-induced liver oxidative stress injury...
January 12, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29334775/resistance-to-acetaminophen-interference-in-a-novel-continuous-glucose-monitoring-system
#8
Peter Calhoun, Terri Kang Johnson, Jonathan Hughes, David Price, Andrew K Balo
Acetaminophen (APAP) can cause erroneously high readings in real-time continuous glucose monitoring (rtCGM) systems. APAP-associated bias in an investigational rtCGM system (G6) was evaluated by taking the difference in glucose measurements between rtCGM and YSI from 1 hour before to 6 hours after a 1-g oral APAP dose in 66 subjects with type 1 or type 2 diabetes. The interference effect was defined as the average post-dose (30-90 minutes) bias minus the average baseline bias for each subject. The clinically meaningful interference effect was defined as 10 mg/dL...
January 1, 2018: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29332237/acute-acetaminophen-ingestion-improves-performance-and-muscle-activation-during-maximal-intermittent-knee-extensor-exercise
#9
Paul T Morgan, Joanna L Bowtell, Anni Vanhatalo, Andrew M Jones, Stephen J Bailey
AIM: Acetaminophen is a commonly used medicine for pain relief and emerging evidence suggests that it may improve endurance exercise performance. This study investigated some of the physiological mechanisms by which acute acetaminophen ingestion might blunt muscle fatigue development. METHODS: Thirteen active males completed 60 × 3 s maximum voluntary contractions (MVC) of the knee extensors with each contraction separated by a 2 s passive recovery period...
January 13, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29331651/activation-of-p62-keap1-nrf2-antioxidant-pathway-in-the-early-stage-of-acetaminophen-induced-acute-liver-injury-in-mice
#10
Zhenyu Shen, Yu Wang, Zhenhui Su, Ruirui Kou, Keqin Xie, Fuyong Song
Acetaminophen (APAP) overdose can cause severe liver failure even death. Nearly half of drug-induced liver injury is attributed to APAP in the US and many European countries. Oxidative stress has been validated as a critical event involved in APAP-induced liver failure. p62/SQSTM1, a selective autophagy adaptor protein, is reported to regulate Nrf2-ARE antioxidant pathway in response to oxidative stress. However, the exact role of p62-keap1-Nrf2 antioxidant pathway in APAP-induced hepatotoxicity remains unknown...
January 10, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29331486/prenatal-exposure-to-acetaminophen-and-children-s-language-development-at-30-months
#11
C-G Bornehag, A Reichenberg, M Unenge Hallerback, S Wikstrom, H M Koch, B A Jonsson, S H Swan
OBJECTIVE: To examine prenatal APAP exposure in relation to language development in offspring at 30 months of age. METHOD: A population-based pregnancy cohort study including 754 women who enrolled in the Swedish Environmental Longitudinal, Mother and child, Asthma and allergy (SELMA) study in pregnancy week 8-13. Two exposure measures were used: (1) maternally reported number of APAP tablets taken between conception and enrollment; (2) APAP urinary concentration at enrollment...
November 10, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29331340/hsp72-protects-from-liver-injury-via-attenuation-of-hepatocellular-death-oxidative-stress-and-jnk-signaling
#12
Kateryna Levada, Nurdan Guldiken, Xiaoji Zhang, Giovanna Vella, Fa-Rong Mo, Laura P James, Johannes Haybaeck, Sonja M Kessler, Alexandra K Kiemer, Thomas Ott, Daniel Hartmann, Norbert Hüser, Marianne Ziol, Christian Trautwein, Pavel Strnad
BACKGROUND AND AIMS: Heat shock protein (Hsp) 72 is a molecular chaperone that is upregulated in response to stress and possesses broad cytoprotective functions. To determine its hepatic function, we studied its expression in human liver disorders and its biological significance in newly generated transgenic animals. AIM AND METHODS: Double transgenic mice overexpressing Hsp72 (gene HSPA1A) under the control of a tissue-specific tetracycline-inducible system (Hsp72-LAP mice) were produced...
January 10, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29328974/novel-approach-for-evaluating-pharmaceuticals-toxicity-using-daphnia-model-analysis-of-the-mode-of-cytochrome-p450-generated-metabolite-action-after-acetaminophen-exposure
#13
Ryeo-Ok Kim, Min-A Jo, Jinhaeng Song, Il-Chan Kim, Seokjoo Yoon, Woo-Keun Kim
Because of its widespread use, the pharmaceutical acetaminophen (APAP) is frequently detected in aquatic environments. APAP can have serious physiological effects, such as reduced reproduction, low growth rates, and abnormal behavior, in aquatic organisms. However, the methods available for evaluation of the aquatic toxicity of APAP are of limited usefulness. The present study aimed to develop reliable and sensitive markers for evaluation of APAP toxicity using Daphnia as a model organism. We focused on N-acetyl-p-benzoquinoneimine (NAPQI) production from APAP via cytochrome P450 metabolism because NAPQI causes APAP toxicity...
December 30, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/29327353/increased-risk-of-congestive-heart-failure-in-patients-with-acetaminophen-poisoning-a-nationwide-cohort-study
#14
Wei-Sheng Chung, Cheng-Li Lin
Acetaminophen poisoning increases cytochrome P450 2E1 expression and reactive oxygen species production, which may lead to maladaptive myocardial remodeling and congestive heart failure (CHF). We conducted a nationwide cohort study to investigate the incidence and risk of CHF in patients with acetaminophen poisoning. We identified a cohort of adult patients with newly diagnosed acetaminophen poisoning in the inpatient claims of the Taiwan National Health Insurance Research Database for the 1998-2011 period...
January 11, 2018: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29325178/modulation-of-o-glcnac-levels-in-the-liver-impacts-acetaminophen-induced-liver-injury-by-affecting-protein-adduct-formation-and-glutathione-synthesis
#15
Steven R McGreal, Bharat Bhushan, Chad Walesky, Mitchell R McGill, Margitta Lebofsky, Sylvie E Kandel, Robert D Winefield, Hartmut Jaeschke, Natasha E Zachara, Zhen Zhang, Ee Phie Tan, Chad Slawson, Udayan Apte
Overdose of acetaminophen (APAP) results in acute liver failure. We have investigated the role of a post-translational modification of proteins called O-GlcNAcylation, where the O-GlcNAc transferase (OGT) adds and O-GlcNAcase (OGA) removes a single β-D-N-acetylglucosamine (O-GlcNAc) moiety, in the pathogenesis of APAP-induced liver injury. Hepatocyte specific OGT knockout mice (OGT KO), which have reduced O-GlcNAcylation, and WT controls were treated with 300 mg/kg APAP and the development of injury was studied over a time course from 0-24 hr...
January 9, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29322813/opioid-drug-poisonings-in-ohio-adolescents-and-young-adults-2002-2014
#16
Sarah Caupp, Janine Steffan, Junxin Shi, Krista K Wheeler, Henry A Spiller, Marcel J Casavant, Henry Xiang
CONTEXT: Opioids represent a drug class that adolescents and young adults intentionally misuse and abuse. When taken on their own or with other substances in this manner, opioids pose an increased risk of overdose and potential death. OBJECTIVE: To determine trends of opioid drug poisonings among adolescents and young adults in Ohio from 2002 to 2014 using Poison Control Center (PCC) data. METHODS: Data were obtained from Ohio PCCs from 2002 to 2014 for opioid drug poisonings amongst 10-29 year olds...
January 11, 2018: Clinical Toxicology
https://www.readbyqxmd.com/read/29322714/novel-regimens-in-the-treatment-of-paracetamol-acetaminophen-poisoning
#17
R Dilip Kumar, Umalakshmi Premnath
No abstract text is available yet for this article.
November 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29319146/prevalence-and-predictors-of-over-the-counter-medication-use-among-adolescents-in-the-united-arab-emirates
#18
Caroline Barakat-Haddad, Ayesha Siddiqua
The patterns of over-the-counter medication (OTC) usage among adolescents living in the United Arab Emirates (UAE) remains largely understudied. The objectives of this study are: (1) to determine the profile of OTC use among UAE adolescents; and (2) to determine the biological or physical, psychological or behavioural, and social predictors of OTC use among the UAE adolescent population. Using a cross-sectional study design, data were collected on the prevalence of OTC use for a sample of 6363 adolescents. Overall, 51% of participants in this study reported OTC use...
January 2, 2018: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/29318967/inter-individual-variability-in-activity-of-the-major-drug-metabolizing-enzymes-in-liver-homogenates-of-20-individuals
#19
J Chris Vos, Shalenie P den Braver-Sewradj, Michiel W den Braver, Marc van Dijk, Yongjie Zhang, Stefan J Dekker, Lukas Wijaya, Nico P E Vermeulen, Lysiane Richert, Jan N M Commandeur
BACKGROUND: Inter-individual variability in hepatic drug metabolizing enzyme (DME) activity is a major contributor to heterogeneity in drug clearance and safety. Accurate data on expression levels and activities of DMEs is an important prerequisite for in vitro-in vivo extrapolation and in silico based predictions. Characterization and assessment of inter-correlations of the major DMEs cytochrome P450s (CYPs) and UDP-glucuronosyltransferases (UGTs) have been extensively documented, but simultaneous quantification including other major DMEs has been lacking...
January 8, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29318940/thermodynamics-of-the-interaction-between-antibiotics-and-extracellular-polymeric-substances-within-activated-sludge
#20
Cheng-Cheng Zhang, Jin-Song Guo, You-Peng Chen, Fang-Ying Ji, Jing Wang, Peng Yan, Yun Bai
The removal of antibiotics in biological wastewater treatment plants has attracted an ever-increasing interest. Extracellular polymeric substances (EPS) play a crucial role in antibiotics bio-adsorption using activated sludge, but the interaction mechanism between antibiotics and EPS remains unclear. In this study, the thermodynamics of interactions between extracellular polymeric substances (EPS) and antibiotics (acetaminophen (ACT) and sulfamethazine (SMZ)) were investigated via isothermal titration calorimetry (ITC)...
January 10, 2018: Environmental Technology
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