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https://www.readbyqxmd.com/read/28440304/the-natural-history-of-severe-acute-liver-injury
#1
David G Koch, J L Speiser, V Durkalski, R J Fontana, T Davern, B McGuire, R T Stravitz, A M Larson, I Liou, O Fix, M L Schilsky, T McCashland, J E Hay, N Murray, O S Shaikh, D Ganger, A Zaman, S B Han, R T Chung, R S Brown, S Munoz, K R Reddy, L Rossaro, R Satyanarayana, A J Hanje, J Olson, R M Subramanian, C Karvellas, B Hameed, A H Sherker, W M Lee, A Reuben
OBJECTIVES: Acute liver failure (ALF) is classically defined by coagulopathy and hepatic encephalopathy (HE); however, acute liver injury (ALI), i.e., severe acute hepatocyte necrosis without HE, has not been carefully defined nor studied. Our aim is to describe the clinical course of specifically defined ALI, including the risk and clinical predictors of poor outcomes, namely progression to ALF, the need for liver transplantation (LT) and death. METHODS: 386 subjects prospectively enrolled in the Acute Liver Failure Study Group registry between 1 September 2008 through 25 October 2013, met criteria for ALI: International Normalized Ratio (INR)≥2...
April 25, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28438567/a-systematic-evaluation-of-micrornas-in-regulating-human-hepatic-cyp2e1
#2
Yong Wang, Dianke Yu, William H Tolleson, Li-Rong Yu, Bridgett Green, Linjuan Zeng, Yinting Chen, Si Chen, Zhen Ren, Lei Guo, Weida Tong, Huaijin Guan, Baitang Ning
Cytochrome P450 2E1 (CYP2E1) is an important drug metabolizing enzyme for processing numerous xenobiotics in the liver, including acetaminophen and ethanol. Previous studies have shown that microRNAs (miRNAs) can suppress CYP2E1 expression by binding to the 3'-untranslated region (3'-UTR) of its transcript. However, a systematic analysis of CYP2E1 regulation by miRNAs has not been described. Here, we applied in silico, in vivo, and in vitro approaches to investigate miRNAs involved in the regulation of CYP2E1...
April 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28436611/co-ingestion-of-willow-bark-tea-and-acetaminophen-associated-with-fatal-infantile-fulminant-liver-failure
#3
Deepak Dinakaran, Erin Bristow, Hanan Armanious, Daniel Garros, Jason Yap, Michelle Noga, Consolato Sergi
No abstract text is available yet for this article.
April 24, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28435487/randomized-trial-of-adding-parenteral-acetaminophen-to-prochlorperazine-and-diphenhydramine-to-treat-headache-in-the-emergency-department
#4
Stefan H Meyering, Ryan W Stringer, Matthew K Hysell
INTRODUCTION: Headaches represent over three million emergency department (ED) visits per year, comprising 2.4% of all ED visits. There are many proposed methods and clinical guidelines of treating acute headache presentations. However, data on intravenous acetaminophen usage in these settings are lacking. In this study, we sought to determine the efficacy of intravenous (IV) acetaminophen as an adjunct to a standard therapy for the treatment of patients who present to the ED with a chief complaint of "headache...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28435131/repression-of-acetaminophen-induced-hepatotoxicity-by-a-combination-of-celastrol-and-brilliant-blue-g
#5
Heba A Abdelaziz, Mohamed E Shaker, Mohamed F Hamed, Nariman M Gameil
The sterile inflammatory response is an eminent contributor to acetaminophen (APAP)-hepatotoxicity in humans. Recent advances unraveled an axial role of the NLRP3-inflammasome in APAP-post injury inflammation. Nevertheless, the role of signaling events preceded the NLRP3-inflammasome activation, like the transcription factor NF-κB and the purinergic receptor P2×7, is still unclear and needs further elucidation. Here, we investigated the pharmacological inhibition of these upstream signaling molecules by celastrol and brilliant blue G (BBG) (separately or simultaneously) in APAP-hepatotoxicity in mice...
April 20, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28435077/improving-blend-content-uniformity-via-dry-particle-coating-of-micronized-drug-powders
#6
Zhonghui Huang, Wannan Xiong, Kuriakose Kunnath, Sayani Bhaumik, Rajesh N Davé
Content uniformity of low dose blends with fine active pharmaceutical ingredients (API) is adversely impacted due to API agglomeration caused by high powder cohesion. Dry coating using high-intensity vibratory mixing is employed to reduce API cohesion and granular Bond number as well as agglomeration as predicted by contact models, hence improve blend content uniformity (CU). Micronized acetaminophen (mAPAP) (~10μm), a model API, was dry coated with nano-silica R972P (20nm), and mixed with Avicel 102. The amount of silica was varied from 0 to 2...
April 20, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28434728/short-communication-parameters-of-abomasal-emptying-and-glucose-insulin-dynamics-in-holstein-friesian-calves-at-2-ages-and-2-levels-of-milk-replacer-intake
#7
P Stahel, J A R MacPherson, H Berends, M A Steele, J P Cant
Elevated planes of nutrition in the preweaning period of dairy calf management can increase average daily gain, shorten age at puberty, and increase milk yield. In a previous study, 12 Holstein calves were fed 2 meals/d of 4 or 2 L milk replacer up to 7 wk of age. The objective of the current study was to estimate parameters of abomasal emptying and glucose-insulin dynamics in these calves by fitting a mechanistic model to postprandial appearances of plasma glucose, insulin, and the abomasal emptying marker acetaminophen measured at 4 and 7 wk of age...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434674/transcriptome-analysis-of-the-brain-of-the-sea-bream-sparus-aurata-after-exposure-to-human-pharmaceuticals-at-realistic-environmental-concentrations
#8
Miriam Hampel, Julian Blasco, Massimiliano Babbucci, Serena Ferraresso, Luca Bargelloni, Massimo Milan
Human pharmaceuticals such as Acetaminophen, Atenolol and Carbamazepine are pseudo persistent aquatic pollutants with yet unknown sub-lethal effects at environmentally relevant concentrations. Gilthead seabream (Sparus aurata) were exposed to Acetaminophen: 31.90 ± 11.07 μg L(-1); Atenolol: 0.95 ± 0.38 μg L(-1) and Carbamazepine: 6.95 ± 0.13 μg L(-1) in a 28 day flow through experiment to (1) determine whether exposure to low concentrations in the μg·L(-1) range of the pharmaceuticals alters the brain transcriptome and, (2) identify different expression profiles and treatment specific modes of action and pathways...
April 12, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28433767/temporal-dynamics-of-human-excreted-pollutants-in-wastewater-treatment-plant-influents-toward-a-better-knowledge-of-mass-load-fluctuations
#9
Thomas Thiebault, Laëtitia Fougère, Emilie Destandau, Maxime Réty, Jérémy Jacob
The occurrence of 25 drug target residues (illicit drugs or pharmaceutically active compounds) was investigated during 85 consecutive days in the influents of a wastewater treatment plant in the Region Centre-Val de Loire, France. This long tracking period allowed a better understanding of the patterns affecting the occurrence of this type of contaminants. Among them, 2 were never detected (i.e. heroin and amphetamine). Concerning illicit drugs two patterns were found. Cocaine and ecstasy median loads varied considerably between weekdays and weekend days (i...
April 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28432468/population-pharmacokinetics-of-intravenous-acetaminophen-in-japanese-patients-undergoing-elective-surgery
#10
Tsuyoshi Imaizumi, Shinju Obara, Midori Mogami, Yuzo Iseki, Makiko Hasegawa, Masahiro Murakawa
INTRODUCTION: Intravenous (i.v.) acetaminophen is administered during surgery for postoperative analgesia. However, little information is available on the pharmacokinetics of i.v. acetaminophen in Japanese patients undergoing surgery under general anesthesia. METHODS: The study was approved by the Institutional Review Board and registered at UMIN-CTR (UMIN000013418). Patients scheduled to undergo elective surgery under general anesthesia were enrolled after obtaining written informed consent...
April 21, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28432020/surface-modification-of-acetaminophen-particles-by-atomic-layer-deposition
#11
Tommi O Kääriäinen, Marianna Kemell, Marko Vehkamäki, Marja-Leena Kääriäinen, Alexandra Correia, Hélder A Santos, Luis M Bimbo, Jouni Hirvonen, Pekka Hoppu, Steven M George, David C Cameron, Mikko Ritala, Markku Leskelä
Active pharmaceutical ingredients (APIs) are predominantly organic solid powders. Due to their bulk properties many APIs require processing to improve pharmaceutical formulation and manufacturing in the preparation for various drug dosage forms. Improved powder flow and protection of the APIs are often anticipated characteristics in pharmaceutical manufacturing. In this work, we have modified acetaminophen particles with atomic layer deposition (ALD) by conformal nanometer scale coatings in a one-step coating process...
April 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28432019/feasibility-of-mini-tablets-as-a-flexible-drug-delivery-tool
#12
Biplob Mitra, Jessica Chang, Sy-Juen Wu, Chad N Wolfe, Robert L Ternik, Thomas Z Gunter, Michael C Victor
Mini-tablets have potential applications as a flexible drug delivery tool in addition to their generally perceived use as multi-particulates. That is, mini-tablets could provide flexibility in dose finding studies and/or allow for combination therapies in the clinic. Moreover, mini-tablets with well controlled quality attributes could be a prudent choice for administering solid dosage forms as a single unit or composite of multiple mini-tablets in patient populations with swallowing difficulties (e.g., pediatric and geriatric populations)...
April 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28431385/a-method-for-evaluating-the-pharmaceutical-deconjugation-potential-in-river-water-environments
#13
Takashi Azuma, Mao Ishida, Kanae Hisamatsu, Ayami Yunoki, Kana Otomo, Mari Kunitou, Mai Shimizu, Kaori Hosomaru, Shiori Mikata, Yoshiki Mino
A new enzymatic assay method that uses deconjugation enzymes was developed to evaluate the presence and extent of conjugated pharmaceuticals in the form of glucuronide conjugates or sulphate conjugates in river environments. First, acetaminophen glucuronide (Ace Glu) and acetaminophen sulphate (Ace Sul) were used as model conjugated pharmaceuticals to determine the appropriate combination of deconjugation enzymes and reaction conditions, including temperature, duration and pH. Next, we applied the defined method to 19 pharmaceuticals grouped into nine therapeutic classes that were chosen based on previously detected levels and frequencies in sewage and river water...
April 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28430785/medical-expulsive-therapy-for-ureter-stone-using-naftopidil-a-multicenter-randomized-double-blind-and-placebo-controlled-trial
#14
Sung Yong Cho, Woong Na, Sang Wook Lee, Min Chul Cho, Jong Jin Oh, Sangchul Lee, Juhyun Park, Soyeon Ahn, Chang Wook Jeong
OBJECTIVES: A prospective, multicenter, randomized, double-blind, placebo-controlled trial evaluated the effects of naftopidil 75 mg for medical expulsive therapy for a single ureter stone. MATERIALS AND METHODS: Patients diagnosed with a ureter stone were prescribed aceclofenac 100 mg or a combined medication of tramadol 37.5 mg and acetaminophen 325 mg. Patients then randomly received either naftopidil 75 mg or placebo. Primary endpoint was the stone passage rate at 14 days after medication...
2017: PloS One
https://www.readbyqxmd.com/read/28430162/ameliorative-effects-and-possible-molecular-mechanism-of-action-of-black-ginseng-panax-ginseng-on-acetaminophen-mediated-liver-injury
#15
Jun-Nan Hu, Zhi Liu, Zi Wang, Xin-Dian Li, Lian-Xue Zhang, Wei Li, Ying-Ping Wang
Background: Frequent overdosing of acetaminophen (APAP) has become the major cause of acute liver injury (ALI). The present study aimed to evaluate the potential hepatoprotective effects of black ginseng (BG) on APAP-induced mice liver injuries and the underlying mechanisms of action were further investigated for the first time. Methods: Mice were treated with BG (300, 600 mg/kg) by oral gavage once a day for seven days. On the 7th day, all mice were treated with 250 mg/kg APAP which caused severe liver injury after 24 h and hepatotoxicity was assessed...
April 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28429935/saponins-ginsenosides-from-the-leaves-of-panax-quinquefolius-ameliorated-acetaminophen-induced-hepatotoxicity-in-mice
#16
Xing-Yue Xu, Jun-Nan Hu, Zhi Liu, Rui Zhang, Yu-Fang He, Wei Hou, Zhi-Qing Wang, Ge Yang, Wei Li
Acetaminophen (APAP) overdose is one of the most common inducements of drug-induced liver injury (DILI) in the world. The main purpose of this paper was to investigate the liver protection activity of saponins (ginsenosides) from the leaves of Panax quinquefolius (PQS) against APAP-induced hepatotoxicity, and the involved mechanisms were demonstrated for the first time. Mice were pretreated with PQS (150 and 300 mg/kg) by oral gavage for 7 days before being treated with 250 mg/kg APAP. Severe liver injury was exerted at 24 h post-APAP, and hepatotoxicity was assessed...
April 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28428777/lactobacillus-fermentum-postbiotic-induced-autophagy-as-potential-approach-for-treatment-of-acetaminophen-hepatotoxicity
#17
Miroslav Dinić, Jovanka Lukić, Jelena Djokić, Marina Milenković, Ivana Strahinić, Nataša Golić, Jelena Begović
The aim of this study was to investigate the potential of postbiotics originated from Lactobacillus fermentum BGHV110 strain (HV110) to counteract acetaminophen (APAP)-induced hepatotoxicity in HepG2 cells. This strain was selected according to its autophagy inducing potential, based on previous studies reporting protective role of autophagy in APAP caused cellular damage. Cell viability was assessed using MTT and LDH assays, while autophagy was monitored by qPCR analysis of BECN1, Atg5, p62/SQSTM1, and PINK1 mRNA expression and by Western blot analysis of p62/SQSTM1 and lipidated LC3 accumulation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28428763/adhd-lifestyles-and-comorbidities-a-call-for-an-holistic-perspective-from-medical-to-societal-intervening-factors
#18
REVIEW
Simon Weissenberger, Radek Ptacek, Martina Klicperova-Baker, Andreja Erman, Katerina Schonova, Jiri Raboch, Michal Goetz
The review examines Attention Deficit Hyperactivity Disorder (ADHD in its Child and Adult form) and its various presentations (Hyperactive Impulsive, Inattentive, and Combined) with a particular focus on environmental (incl. social factors), lifestyles and comorbidities. It is argued that ADHD is best understood in a holistic and interactive context and a vast empirical literature is presented to illustrate the point: Environmental factors include stress in general as well as exposure to toxins (phthalates, bisphenol A)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28422529/implant-compositions-for-the-unidirectional-delivery-of-drugs-to-the-brain
#19
Michael McGinity, John Floyd, James McGinity, Feng Zhang
The overall objective of this study was to design and characterize the properties of a bioadhesive trilayer sustained-release implant device for the unidirectional local delivery of anticancer compounds to the brain following the removal of glioblastoma multiforme tumors. Using acetaminophen as a model drug compound, we compressed trilayer wafers that contained (a) a bioadhesive layer, (b) a drug layer that contained a lipid and a pore-forming hydrophilic polymer, and (c) a third layer comprising a lipid substance...
April 19, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28421843/reply-to-limitations-of-the-evidence-supporting-use-of-undetectable-acetaminophen-levels-obtained-4%C3%A2-hours-post-ingestion-to-rule-out-toxicity
#20
Mark C Yarema, Marco L A Sivilotti, Alberto Nettel-Aguirre, Barry H Rumack
No abstract text is available yet for this article.
June 2017: Clinical Toxicology
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