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Rachel L Gunn, Kyle R Gerst, Allison J Lake, Peter R Finn
Executive working memory capacity (eWMC) is central to adaptive decision-making. Research has revealed reduced eWMC and higher rates of impulsive decision making in individuals with alcohol use disorders (AUDs: DSM-IV Alcohol Dependence of Alcohol Abuse) and antisocial psychopathology (AP). Recent work has shown that placing a load on working memory (WM) further increases impulsive decision making on the delay discounting (DD) task in those with AUDs and AP. The current study examined the effects of an attention refocusing manipulation to offset the effects of this WM-load on DD rates in control subjects, those with AUDs without AP, and AUDs with AP (AUD-AP)...
February 2018: Alcohol
Jamila Newton, Shubhankar Suman, Luli R Akinfiresoye, Kamal Datta, David M Lovinger, Prosper N'Gouemo
We previously reported increased current density through P-type voltage-gated Ca2+ channels in inferior colliculus (IC) neurons during alcohol withdrawal. However, the molecular correlate of this increased P-type channel current is currently unknown. Here, we probe changes in mRNA and protein expression of the pore-forming CaV2.1-α1 (P/Q-type) subunits in IC neurons during the course of alcohol withdrawal-induced seizures (AWSs). Rats received three daily doses of ethanol or the vehicle every 8 h for 4 consecutive days...
February 2018: Alcohol
Ana Paula Drummond-Lage, Rodrigo Gomes de Freitas, Gabriel Cruz, Luigi Perillo, Marco Antonio Paiva, Alberto Julius Alves Wainstein
BACKGROUND: Policies that establish maximum blood alcohol concentrations (BACs) or breath alcohol concentration (BrACs) for drivers while driving can reduce traffic accidents by approximately 20%. In Brazil, the National Transit Council (CONTRAN) considers positive BAC and/or BrAC tests or signs of psychomotor capacity alterations as evaluated by a police authority to be an administrative infraction or even a crime. The observed clinical symptoms of alcohol intoxication based on a subject's appearance may not necessarily reflect the quantified BAC and/or BrAC...
February 2018: Alcohol
John B Whitfield, Steven Masson, Suthat Liangpunsakul, Jessica Hyman, Sebastian Mueller, Guruprasad Aithal, Florian Eyer, Dermot Gleeson, Andrew Thompson, Felix Stickel, Michael Soyka, Ann K Daly, Heather J Cordell, Tiebing Liang, Tatiana Foroud, Lawrence Lumeng, Munir Pirmohamed, Bertrand Nalpas, Camille Bence, Jean-Marc Jacquet, Alexandre Louvet, Romain Moirand, Pierre Nahon, Sylvie Naveau, Pascal Perney, Philippe Podevin, Paul S Haber, Helmut K Seitz, Christopher P Day, Philippe Mathurin, Timothy M Morgan, Devanshi Seth
Laboratory tests can play an important role in assessment of alcoholic patients, including for evaluation of liver damage and as markers of alcohol intake. Evidence on test performance should lead to better selection of appropriate tests and improved interpretation of results. We compared laboratory test results from 1578 patients between cases (with alcoholic cirrhosis; 753 men, 243 women) and controls (with equivalent lifetime alcohol intake but no liver disease; 439 men, 143 women). Comparisons were also made between 631 cases who had reportedly been abstinent from alcohol for over 60 days and 364 who had not...
February 2018: Alcohol
Kyle A Windisch, Cristine L Czachowski
Previous studies suggest that group II metabotropic glutamate receptors (mGluR2/3) are involved in regulating ethanol-seeking and consumption. The mGluR2/3 agonist LY379268 (LY37) and selective mGluR2 positive allosteric modulator biphenyl‑indanone A (BINA) were used to investigate the relative contribution of mGlu2 and mGlu3 receptors on ethanol- and sucrose-seeking and consumption. A microinjection study was then performed to examine the role of nucleus accumbens (NAc) core mGluR2/3 on ethanol-seeking. For the systemic experiments, separate groups of male Wistar rats [LY37 (0-2...
February 2018: Alcohol
Roy Otten, Carmen S van der Zwaluw, Rutger C Engels
Alcohol abuse often co-exists with a major depressive disorder. In order to understand the development of this comorbidity, it is important to concentrate on the preceding process. It has been suggested that the link between alcohol use and depressive symptoms is a result of an interaction with genetic factors. The aim of this study was to longitudinally examine the effect of the 5-HTTLPR genotype on the association between depressive symptoms and alcohol use in a Dutch community sample. Following a stepwise approach, bivariate correlations, longitudinal regression analyses, and latent growth curve analyses were separately conducted for 316 males and 321 females...
February 2018: Alcohol
Bruce H Mandt, Colin Larson, Tina Fay, Pequita Bludeau, Richard M Allen, Richard A Deitrich, Richard A Radcliffe
Individuals with a low initial response to alcohol (i.e., ethanol) are at greater risk of developing alcohol abuse or dependence later in life. Similar to humans, individual differences in ethanol sensitivity also can be seen in rats, and several laboratories have used these individual differences to generate selectively bred rats that differ in acute ethanol sensitivity. We have worked with two sets of such rats (Inbred High or Low Alcohol Sensitivity strains, IHAS or ILAS, respectively; Inbred Alcohol Tolerant or Non-Tolerant strains, IAT and IANT, respectively) and have confirmed previously mapped quantitative trait loci (QTL) for these acute differences with the use of recombinant congenic lines; however, the relationship between acute sensitivity and ethanol drinking in these rats has yet to be determined...
February 2018: Alcohol
Richard Lieberman, Henry R Kranzler, Eric S Levine, Jonathan Covault
Factors influencing the development of alcohol-use disorder (AUD) are complex and heterogeneous. While animal models have been crucial to identifying actions of alcohol on neural cells, human-derived in vitro systems that reflect an individual's genetic background hold promise in furthering our understanding of the molecular and functional effects of alcohol exposure and the pathophysiology of AUD. In this report, we utilized induced pluripotent stem cell (iPSCs)-derived neural cell cultures obtained from healthy individuals (CTLs) and those with alcohol dependence (ADs) to 1) examine the effect of 21-day alcohol exposure on mRNA expression of three genes encoding GABAA receptor subunits (GABRA1, GABRG2, and GABRD) using quantitative PCR, and 2) examine the effect of acute and chronic alcohol exposure on GABA-evoked currents using whole-cell patch-clamp electrophysiology...
February 2018: Alcohol
Lisbeth A Boule, Cynthia Ju, Marisela Agudelo, Tiyash Parira, Abigail Cannon, Booker Davis, Jonathan Eby, Gail Cresci, Derrick R Samuelson, Pradeep Shukla, Waddah A Alrefai, Suhas Sureshchandra, Subhash C Pandey, Bernd Schnabl, Brenda J Curtis, Todd A Wyatt, Mashkoor A Choudhry, Elizabeth J Kovacs
On November 18, 2016 the 21st annual Alcohol and Immunology Research Interest Group (AIRIG) meeting was held at the Center for Translational Research and Education at Loyola University Chicago's Health Sciences Campus in Maywood, IL. The 2016 meeting focused broadly on alcohol and inflammation, epigenetics, and the microbiome. The four plenary sessions of the meeting were Alcohol, Inflammation, and Immunity; Alcohol and Epigenetics; Alcohol, Transcriptional Regulation, and Epigenetics; and Alcohol, Intestinal Mucosa, and the Gut Microbiome...
February 2018: Alcohol
Roland C Merchant, Justin Romanoff, Zihao Zhang, Tao Liu, Janette R Baird
Most previous brief intervention (BI) studies have focused on alcohol or drug use, instead of both substances. Our primary aim was to determine if an alcohol- and drug-use BI reduced alcohol use and increased alcohol treatment services utilization among adult emergency department (ED) patients who drink alcohol and require an intervention for their drug use. Our secondary aims were to assess when the greatest relative reductions in alcohol use occurred, and which patients (stratified by need for an alcohol use intervention) reduced their alcohol use the most...
December 2017: Alcohol
Emine B Yalcin, Tory McLean, Ming Tong, Suzanne M de la Monte
Chronic ethanol exposure causes white matter (WM) atrophy and degeneration with major impairments in the structural integrity of myelin. Since myelin is composed of oligodendrocyte lipid-rich membranes, understanding the consequences and reversibility of alcohol-related oligodendrocyte dysfunction in relation to myelin structure could provide new insights into the pathogenesis of WM degeneration and potential strategies for treatment. Adult male Long Evans rats were pair-fed with isocaloric liquid diets containing 0% or 26% ethanol (caloric) for 3 or 8 weeks...
December 2017: Alcohol
Jeffrey R Wozniak, Anna Y Klintsova, Derek A Hamilton, Sandra M Mooney
The 2017 Fetal Alcohol Spectrum Disorders Study Group (FASDSG) meeting was titled "Prenatal alcohol exposure in the context of multiple factors affecting brain development." The theme was reflected in the interactions between members of the Teratology Society and the FASDSG this year. The first keynote speaker, Elaine Faustman, Ph.D., was a liaison between the societies and spoke about systems biology and the multiple genetic and environmental influences on development. The second keynote speaker, Rebecca Knickmeyer, Ph...
November 1, 2017: Alcohol
Isaac A Adedara, Babajide O Ajayi, Ifeoluwa O Awogbindin, Ebenezer O Farombi
Available epidemiological reports have indicated an increase in the incidence of ulcerative colitis, as well as alcohol consumption, globally. The present study investigated the possible interactive effects of ethanol consumption on ulcerative colitis and its associated testicular dysfunction using six groups of 12 pubertal mice each. Group I (Control) mice received drinking water alone. Group II mice received ethanol alone at 5 g/kg body weight. Group III mice received 2.5% dextran sulphate sodium (DSS) in drinking water followed by normal drinking water...
November 2017: Alcohol
Victor Jimenez, Ryan Moreno, Emily Kaufman, Heidie Hornstra, Erik Settles, Bart J Currie, Paul Keim, Fernando P Monroy
Alcohol consumption has diverse and well-documented effects on the human immune system and its ability to defend against infective agents. One example is melioidosis, a disease caused by infection with Burkholderia pseudomallei, which is of public health importance in Southeast Asia and Northern Australia, with an expanding global distribution. While B. pseudomallei infections can occur in healthy humans, binge alcohol use is progressively being recognized as a major risk factor. Although binge alcohol consumption has been considered as a risk factor for the development of melioidosis, no experimental studies have investigated the outcomes of alcohol exposure on Burkholderia spp...
November 2017: Alcohol
Ewa Gibula-Bruzda, Marta Marszalek-Grabska, Kinga Gawel, Roza Trzcinska, Jerzy Silberring, Jolanta H Kotlinska
Kissorphin (KSO) is a new peptide derived from kisspeptin-10. This peptide possesses neuropeptide FF (NPFF)-like biological activity in vitro; NPFF, in many cases, inhibits opioid and ethanol effects in rodents. Therefore, the current study explored the influence of KSO on acute ethanol- and morphine-induced hyperactivity, and on the development and expression of locomotor sensitization induced by these drugs. In the present study, sensitization to locomotor effects was induced by repeated exposure to ethanol (2...
November 2017: Alcohol
Anna R Reynolds, Meredith A Saunders, Jennifer N Berry, Lynda J Sharrett-Field, Sydney Winchester, Mark A Prendergast
Chronic, intermittent ethanol (CIE) exposure is known to produce neuroadaptive alterations in excitatory neurotransmission that contribute to the development of dependence. Although activation of protein kinases (e.g., cyclic AMP [cAMP]-dependent protein kinase) is implicated in the synaptic trafficking of these receptors following CIE exposure, the functional consequences of these effects are yet to be fully understood. The present study sought to delineate the influence of protein kinase in regulating cytotoxicity following CIE exposure, as well as to examine the relative roles of ethanol exposure and ethanol withdrawal (EWD) in promoting these effects...
November 2017: Alcohol
Kairi Kõlves, Brian M Draper, John Snowdon, Diego De Leo
INTRODUCTION: People who die by suicide have a higher risk of an alcohol-use disorder (AUD) at the time of death. The present study aims to compare 1) suicide cases with and without AUD, and 2) suicide and sudden-death controls with AUD. METHODS: The psychological autopsy method was utilized to investigate suicide and sudden death in Australia (QLD and NSW). Initial information was gathered from coroners' offices. Potential informants were approached and semi-structured interviews were conducted...
November 2017: Alcohol
Yao-Chien Wang, Kai-Wei Yang, Tien-Ying Peter Lee, Cheng-Li Lin, Geng-Wang Liaw, Dong-Zong Hung, Chia-Hung Kao, Wei-Kung Chen, Tse-Yen Yang
We designed a population-based retrospective cohort study to investigate the association between the event of alcohol intoxication and the risk of pyogenic liver abscess. The present study enrolled 245,076 patients with a history of alcohol intoxication from 2000 to 2010 and matched each of them with four comparison patients, with similar mean age and sex ratios. We determined the cumulative incidences and adjusted hazard ratios (aHRs) of liver abscess. A significant association was observed between alcohol intoxication and liver abscess...
November 2017: Alcohol
M Alejandra Infante, Eileen M Moore, Amanda Bischoff-Grethe, Susan F Tapert, Sarah N Mattson, Edward P Riley
Individuals prenatally exposed to alcohol often have impaired spatial working memory (SWM). This study examines functional connections of frontal and parietal regions that support SWM in children with and without prenatal alcohol exposure. Children ages 10 to 16 with histories of heavy prenatal alcohol exposure (AE group; n = 18) and controls (CON group; n = 19) underwent functional magnetic resonance imaging (fMRI) while performing a SWM task. Whole brain task-related functional connectivity of bilateral dorsolateral prefrontal cortex (DLPFC) and posterior parietal cortex (PPC) seed regions were estimated for each participant using a psychophysiological interaction approach...
November 2017: Alcohol
Shogo Kasuda, Risa Kudo, Katsuya Yuui, Yoshihiko Sakurai, Katsuhiko Hatake
Acute ethanol intoxication impairs immunological reactions and increases the risk of sepsis; however, the underlying mechanism remains unclear. Pentraxin (PTX) 3 is a humoral pattern recognition receptor whose levels rapidly increase in response to inflammation. PTX3 production is triggered by tumor necrosis factor (TNF)-α and is mediated by c-Jun N-terminal kinase (JNK). As PTX3 exerts protective effects against sepsis as well as acute lung injury, we investigated whether acute ethanol exposure exacerbates sepsis by altering PTX3 expression...
November 2017: Alcohol
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