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https://www.readbyqxmd.com/read/28641354/-acute-liver-failure-acute-on-chronic-liver-failure-hepatorenal-syndrome-hepatopulmonary-syndrome-and-portopulmonary-hypertension-artificial-liver-support-on-the-icu
#1
Uwe Lodes, David Jacob, Frank Meyer
Background Acute hepatic dysfunction in the form of acute liver failure (ALF) or acute-on-chronic liver failure (ACLF) is a disease with a high risk of mortality and requires interdisciplinary intensive care. Aim This article explains the nomenclature, pathophysiology, prognosis and possible treatment options of ALF and ACLF, including the possibilities of extracorporeal liver support therapy at the point of liver transplantation (LTx). Method Narrative review with a selective literature review and representative case studies...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28641276/atherosclerosis-and-the-hydrogen-sulfide-signaling-pathway-therapeutic-approaches-to-disease-prevention
#2
Zhi-Jun Wang, Jian Wu, Wei Guo, Yi-Zhun Zhu
Hydrogen sulfide (H2S) is now admitted as a third gasotransmitter together with nitric oxide (NO) and carbon monoxide (CO), albeit it was originally considered as a foul and poisonous gas. Endogenous H2S production in mammalian cells is counting on the three enzymes acting on cysteine. Involvement of H2S in various physiological and pathological processes has been extensively studied in the last fifteen years. Mounting evidence suggests that H2S is able to protect against atherosclerosis development and progression...
June 23, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28640688/unintentional-poisoning-in-china-1990-to-2015-the-global-burden-of-disease-study-2015
#3
Yumeng Tang, Lan Zhang, Jingju Pan, Qingjun Zhang, Tianjing He, Zeni Wu, Jian Zhan, Qian Li
OBJECTIVES: To estimate the unintentional poisoning burden and risk factors in China from 1990 to 2015. METHODS: We extracted data from the Global Burden of Disease Study 2015 to compare mortality, prevalence, disability-adjusted life years (DALYs), years of life lost, years lived with a disability, and risk factors of unintentional poisoning in China. We determined the median of the percent change and 95% uncertainty interval for the period between 1990 and 2015...
June 22, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28636419/poison-or-prevention-understanding-the-linkages-between-vaccine-negative-individuals-knowledge-deficiency-motivations-and-active-communication-behaviors
#4
Arunima Krishna
The last few decades have seen growing concerns among parents regarding the safety of childhood vaccines, arguably leading to the rise of the anti-vaccine movement. This study is an effort to understand situational and cross-situational factors that influence individuals' negative attitudes toward vaccines, referred to as vaccine negativity. In doing so, this study elucidated how situational and cross-situational factors influence vaccine negativity. Specifically, this study tested how knowledge deficiency, or acceptance of scientifically inaccurate data about vaccines, and institutional trust influenced negative attitudes toward vaccines...
June 21, 2017: Health Communication
https://www.readbyqxmd.com/read/28635329/lead-induces-siberian-tiger-fibroblast-apoptosis-by-interfering-with-intracellular-homeostasis
#5
Zheng Liu, Hui Wang, Wenxiu Zhang, Ziao Yuan, Hongyi Yuan, Xueting Liu, Minghai Zhang, Xuesong Guo, Weijun Guan
Lead (Pb(2+)) is a poisonous heavy metal that causes many pathophysiological effects in living systems. Its toxicological effects are well known as it causes apoptosis of several cell types and tissues. This study aimed to determine the criteria required for early diagnosis of Pb(2+) poisoning in the Siberian tiger using a tiger population in China, to identify a safety Pb(2+) concentration threshold, and to provide suggestions for preventing Pb(2+) poisoning in Siberian tigers. We investigated the apoptotic effects of Pb(2+) (0, 32, 64, and 125 μM) for 12-48 h on Siberian tiger fibroblasts in vitro...
June 21, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28633062/blue-light-induced-reactive-oxygen-species-from-flavin-mononucleotide-and-flavin-adenine-dinucleotide-on-lethality-of-hela-cells
#6
Ming-Yeh Yang, Chih-Jui Chang, Liang-Yü Chen
Photodynamic therapy (PDT) is a safe and non-invasive treatment for cancers and microbial infections. Various photosensitizers and light sources have been developed for clinical cancer therapies. Flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD) are the cofactor of enzymes and are used as photosensitizers in this study. Targeting hypoxia and light-triggering reactive oxygen species (ROS) are experimental strategies for poisoning tumor cells in vitro. HeLa cells are committed to apoptosis when treated with FMN or FAD and exposed to visible blue light (the maximum emitted wavelength of blue light is 462nm)...
June 13, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28633003/assessment-of-selected-overdose-poisoning-indicators-in-health-care-administrative-data-in-4-states-2012
#7
Beth Hume, Barbara Gabella, Jeanne Hathaway, Scott Proescholdbell, Cristy Sneddon, Elizabeth Brutsch, Riley Hedin, Christopher J Drucker
OBJECTIVES: In 2012, a consensus document was developed on drug overdose poisoning definitions. We took the opportunity to apply these new definitions to health care administrative data in 4 states. Our objective was to calculate and compare drug (particularly opioid) poisoning rates in these 4 states for 4 selected Injury Surveillance Workgroup 7 (ISW7) drug poisoning indicators, using 2 ISW7 surveillance definitions, Option A and Option B. We also identified factors related to the health care administrative data used by each state that might contribute to poisoning rate variations...
January 1, 2017: Public Health Reports
https://www.readbyqxmd.com/read/28631612/wtf-genes-are-prolific-dual-poison-antidote-meiotic-drivers
#8
Nicole L Nuckolls, María Angélica Bravo Núñez, Michael T Eickbush, Janet M Young, Jeffrey J Lange, Jonathan S Yu, Gerald R Smith, Sue L Jaspersen, Harmit S Malik, Sarah E Zanders
Meiotic drivers are selfish genes that bias their transmission into gametes, defying Mendelian inheritance. Despite the significant impact of these genomic parasites on evolution and infertility, few meiotic drive loci have been identified or mechanistically characterized. Here, we demonstrate a complex landscape of meiotic drive genes on chromosome 3 of the fission yeasts Schizosaccharomyces kambucha and S. pombe. We identify S. kambucha wtf4 as one of these genes that acts to kill gametes (known as spores in yeast) that do not inherit the gene from heterozygotes...
June 20, 2017: ELife
https://www.readbyqxmd.com/read/28631611/the-gene-family-that-cheats-mendel
#9
J Dylan Shropshire, Antonis Rokas
Some alleles of the wtf gene family can increase their chances of spreading by using poisons to kill other alleles, and antidotes to save themselves.
June 20, 2017: ELife
https://www.readbyqxmd.com/read/28630774/lead-poisoning-can-be-easily-misdiagnosed-as-acute-porphyria-and-nonspecific-abdominal-pain
#10
Ming-Ta Tsai, Shi-Yu Huang, Shih-Yu Cheng
Lead poisoning (LP) is less commonly encountered in emergency departments (ED). However, lead exposure still occurs, and new sources of poisoning have emerged. LP often goes unrecognized due to a low index of suspicion and nonspecific symptoms. We present a case of a 48-year-old man who had recurring abdominal pain with anemia that was misdiagnosed. His condition was initially diagnosed as nonspecific abdominal pain and acute porphyria. Acute porphyria-like symptoms with a positive urine porphyrin test result led to the misdiagnosis; testing for heme precursors in urine is the key to the differential diagnosis between LP and acute porphyria...
2017: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/28630044/single-molecule-fret-analysis-discloses-the-dynamics-of-the-dna-topoisomerase-ii-top2-interaction-in-the-presence-of-top2-targeting-agents
#11
Wan-Chen Huang, Chun-Ying Lee, Tao-Shih Hsieh
Topoisomerases play crucial roles in DNA replication, transcription, and recombination. For instance, topoisomerase II (Top2) is critically important for resolving DNA tangles during cell division, and as such, it is a broad anticancer drug target. Top2 regulates DNA topology by transiently breaking one double stranded DNA molecule (cleavage), allowing a second double strand to pass through the opened DNA gate (opening), and then closing the gate by rejoining the broken ends. Drugs that modulate Top2 catalysis may therefore affect enzymatic activity at several different steps...
June 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28629719/alpha-ketoglutarate-nanoparticles-a-potentially-effective-treatment-for-cyanide-poisoning
#12
Shaheen Sultana, Sushma Talegaonkar, Dhruv Kumar Nishad, Gaurav Mittal, F J Ahmad, Aseem Bhatnagar
The purpose of this research work was to prepare nanosized formulation of alpha ketoglutarate as dry powder inhaler for cyanide poisoning. Nanosizing can be approached by solid phase and liquid phase method. The different conditions encountered in both these approaches can greatly affect the particle characteristics. In this study milling and precipitation technique were compared to study their effect on α-KG particles characteristics. Differences in choice of stabilizers were observed between the two processing techniques...
June 16, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28629212/a-study-of-the-modulating-action-of-quercetin-on-biochemical-and-histological-alterations-induced-by-lead-exposure-in-the-liver-and-kidney-of-rats
#13
Azza Sedky, Hany Elsawy
Lead is a highly toxic metal and a very potent poison. Lead poisoning is a serious condition but can be treated. Quercetin is a flavonoid with many beneficial uses. The aim of the present study was to investigate the possible modulating action of quercetin as a model of an antioxidant against the toxic effects of lead acetate on liver and kidneys of rats. Rats were randomly divided into four groups: (i) saline group (control); (ii) lead group received i.p. lead acetate (20 mg/kg b.w.); (iii) quercetin group received i...
June 30, 2017: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/28628870/affective-disorders-and-completed-suicide-by-self-poisoning-trend-of-using-antidepressants-as-a-method-of-self-poisoning
#14
Sanna Löfman, Helinä Hakko, Arja Mainio, Pirkko Riipinen
The aim of this research was to study the role and trend of antidepressant use as a method of suicide in completed self-poisoning suicides in patients with affective disorders during a 23-year follow up period. The data consisted of 483 completed self-poisoning suicides from 1988 to 2011 in the province of Oulu in Northern Finland (286 men and 197 women). Of the self-poisoning victims, 26.9% (n=130) had hospital-treated unipolar depression and 3.1% (n=15) hospital-treated bipolar disorder. Further, 53.8% (n=70) of those with unipolar depression and 53...
May 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28628139/-effect-of-particulate-air-pollution-on-hospital-admissions-for-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-in-beijing
#15
Y Cao, H Liu, J Zhang, K W Huang, H Y Zhao, Y Yang, S Y Zhan
OBJECTIVE: To assess the association between particulate air pollution and hospital admissions for acute exacerbation of chronic obstructive pulmonary disease (AECOPD) in Beijing, and to evaluate the differences of association among different subgroups. METHODS: Hospital admissions to intertiary hospitals for AECOPD from January 1, 2014, through December 31, 2015 were obtained from the electronic hospitalization summary reports (HSRs).We obtained the data on air pollution during the study period from the national air pollution monitoring system...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28627763/suspected-methadone-toxicity-from-hospital-to-autopsy-bed
#16
Jaber Gharehdaghi, Asieh Takalloo-Bakhtiari, Hossein Hassanian-Moghaddam, Nasim Zamani, Mohammad-Javad Hedayatshode
High mortality rates have been reported for methadone in both adults and children. We aimed to determine the pattern of toxicity, possible underlying diseases and treatment challenges in patients referred to our center with early diagnosis of methadone toxicity and who later died. Medical files of all methadone-poisoned patients who had been admitted to a referral center of toxicology between March 2011 and March 2016, died during the hospital stay and sent for autopsy to Legal Medicine Organization were retrospectively evaluated...
June 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28627340/-experimental-study-on-formation-of-neutrophil-extracellular-traps-in-human-peripheral-blood-induced-by-paraquat-in-vitro
#17
Wei Jin, Jian Lu, Hui Xie, Yiqun Jiang, Xiaoxiao Meng, Yong Zhu, Ruilan Wang
OBJECTIVE: To explore whether paraquat (PQ) can induce the formation of neutrophil extracellular traps (NETs) in human peripheral blood. METHODS: Neutrophils were isolated from healthy human peripheral blood, and the cells were identified by hematoxylin-eosin (HE) strain. The cells were treated with different concentrations of PQ [0 (as control), 200, 400, 600, 800, 1 000 and 1 200 μmol/L], and the cell viability was measured by cell proliferation and CCK-8 cytotoxicity detection kit, and the median lethal concentration of PQ was selected...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627339/-evaluation-of-adsorption-effect-of-activated-charcoal-on-oral-paraquat-poisoning-an-experimental-study-on-large-animal
#18
Baisheng Sun, Yuezhong He, Yuhao Pei, Cong Zhang, Xigang Zhang, Zhan Yang
OBJECTIVE: To study the adsorption effect of activated charcoal suspension on paraquat (PQ) in gastrointestinal tract of beagles exposed to PQ. METHODS: Twenty healthy male beagles were randomly divided into experimental group and control group, with 6 beagles in each group. 20% PQ solution (a dose of 30 mg/kg) was prescribed through stomach for beagles in both groups. After exposure to PQ for 30 minutes, the beagles in experimental group were given activated charcoal suspension (1...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627336/-chinese-expert-consensus-on-the-medical-measures-for-inhalation-injury-due-to-the-poisoning-smoke-grenade-explosion-in-2017
#19
Division Of Poisoning And Treatment Chinese Society Of Toxicology, Qingyi Meng, Zewu Qiu
No abstract text is available yet for this article.
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28624886/pharmacokinetic-modelling-of-modified-acetylcysteine-infusion-regimens-used-in-the-treatment-of-paracetamol-poisoning
#20
Anselm Wong, Cornelia Landersdorfer, Andis Graudins
PURPOSE: Paracetamol overdose is common and is treated with acetylcysteine to prevent the development of hepatotoxicity. N-acetyl-p-benzoquinone imine (NAPQI) is the toxic metabolite of paracetamol overdose. We aimed to assess the expected acetylcysteine concentration time profiles following delivery of modified acetylcysteine regimens proposed for those at high and low risk of hepatotoxicity. In addition, we will determine acetylcysteine concentrations post-cessation of abbreviated infusions...
June 17, 2017: European Journal of Clinical Pharmacology
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