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Alcohol

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https://www.readbyqxmd.com/read/28262188/effects-of-the-serotonin-transporter-gene-sensitivity-of-response-to-alcohol-and-parental-monitoring-on-risk-for-problem-alcohol-use
#1
Lora M Cope, Emily C Munier, Elisa M Trucco, Jillian E Hardee, Margit Burmeister, Robert A Zucker, Mary M Heitzeg
The serotonin transporter-linked polymorphic region (5-HTTLPR) of the serotonin transporter gene (SLC6A4) has been previously associated with alcohol-related risk. Most findings point to short (S) allele carriers being at increased risk for negative alcohol outcomes relative to long allele homozygotes, although some work indicates a more complex relationship. The current prospective study aimed to clarify how and under what circumstances variations in 5-HTTLPR transmit risk for various alcohol-related outcomes...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28262187/an-investigation-into-the-effect-of-alcohol-consumption-on-health-status-and-health-care-utilization-in-ireland
#2
Gillian Ormond, Rosemary Murphy
This paper presents a study of the effect of alcohol consumption on individual health status and health care utilization in Ireland using the 2007 Slán National Health and Lifestyle Survey, while accounting for the endogenous relationship between alcohol and health. Drinkers are categorized as those who never drank, non-drinkers, moderate drinkers, or heavy drinkers, based on national recommended weekly drinking levels in Ireland. The drinking-status equation is estimated using an ordered probit model. Predicted values for the inverse mills ratio are generated, which are then included in the health and health-care utilization equations...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28262186/urine-methanol-concentration-and-alcohol-hangover-severity
#3
M Mackus, A J A E Van de Loo, G A H Korte-Bouws, R H P Van Neer, X Wang, T T Nguyen, K A Brookhuis, J Garssen, J C Verster
BACKGROUND: Congeners are substances, other than ethanol, that are produced during fermentation. Previous research found that the consumption of congener-rich drinks contributes to the severity of alcohol hangover. Methanol is such a congener that has been related to alcohol hangover. Therefore, the aim of this study was to examine the relationship between urine methanol concentration and alcohol hangover severity. METHODS: N = 36 healthy social drinkers (22 females, 14 males), aged 18-30 years old, participated in a naturalistic study, comprising a hangover day and a control day (no alcohol consumed the previous day)...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28262185/cognitive-sequelae-of-methanol-poisoning-involve-executive-dysfunction-and-memory-impairment-in-cross-sectional-and-long-term-perspective
#4
O Bezdicek, J Michalec, M Vaneckova, J Klempir, I Liskova, Z Seidl, B Janikova, M Miovsky, J Hubacek, P Diblik, P Kuthan, A Pilin, I Kurcova, Z Fenclova, V Petrik, T Navratil, D Pelclova, S Zakharov, E Ruzicka
Methanol poisoning leads to lesions in the basal ganglia and subcortical white matter, as well as to demyelination and atrophy of the optic nerve. However, information regarding cognitive deficits in a large methanol sample is lacking. The principal aim of the present study was to identify the cognitive sequelae of methanol poisoning and their morphological correlates. A sample of 50 patients (METH; age 48 ± 13 years), 3-8 months after methanol poisoning, and 57 control subjects (CS; age 49 ± 13 years) were administered a neuropsychological battery...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28262184/resting-state-synchrony-in-long-term-abstinent-alcoholics-effects-of-a-current-major-depressive-disorder-diagnosis
#5
George Fein, Jazmin Camchong, Valerie A Cardenas, Andy Stenger
Alcoholism is characterized by a lack of control over an impulsive and compulsive drive toward excessive alcohol consumption despite significant negative consequences; our previous work demonstrated that successful abstinence is characterized by decreased resting-state synchrony (RSS) as measured with functional magnetic resonance imaging (fMRI), within appetitive drive networks and increased RSS in emotion regulation and inhibitory executive control networks. Our hypothesis is that LTAA (Long-Term Abstinent Alcoholics) with a current major depressive disorder (MDD) drank primarily to deal with the negative affect associated with their MDD and not because of a heightened externalizing diathesis (including heightened appetitive drive), and consequently, in achieving and maintaining abstinence, such individuals would not exhibit the RSS adaptations characteristic of pure alcoholics...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28262183/seeking-mental-health-care-from-private-health-practitioners-among-individuals-with-alcohol-dependence-abuse-results-from-a-study-in-the-french-general-population
#6
Aymery Constant, William Sherlaw, Viviane Kovess-Masfety
INTRODUCTION: Better knowledge of the factors that have an impact on pathways to mental health care may contribute greatly to organizing optimum health-care delivery. However, surveillance systems concerning alcohol problems in the French general population are suboptimal. The objectives of this study were to investigate: 1) the prevalence of mental health-care seeking in individuals with alcohol abuse/dependence in France, 2) which category of medical practitioner was consulted, and 3) psychological and socio-environmental factors associated with mental health-care seeking...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28187948/alcohol-drinking-during-adolescence-increases-consumptive-responses-to-alcohol-in-adulthood-in-wistar-rats
#7
Leslie R Amodeo, Diana Kneiber, Derek N Wills, Cindy L Ehlers
Binge drinking and the onset of alcohol-use disorders usually peak during the transition between late adolescence and early adulthood, and early adolescent onset of alcohol consumption has been demonstrated to increase the risk for alcohol dependence in adulthood. In the present study, we describe an animal model of early adolescent alcohol consumption where animals drink unsweetened and unflavored ethanol in high concentrations (20%). Using this model, we investigated the influence of drinking on alcohol-related appetitive behavior and alcohol consumption levels in early adulthood...
March 2017: Alcohol
https://www.readbyqxmd.com/read/28109345/reduced-ethanol-drinking-following-selective-cortical-interneuron-deletion-of-the-glun2b-nmda-receptors-subunit
#8
Anna K Radke, Nicholas J Jury, Eric Delpire, Kazu Nakazawa, Andrew Holmes
N-Methyl-d-aspartate receptors (NMDAR) are involved in the regulation of alcohol drinking, but the contribution of NMDAR subunits located on specific neuronal populations remains incompletely understood. The current study examined the role of GluN2B-containing NMDARs expressed on cortical principal neurons and cortical interneurons in mouse ethanol drinking. Consumption of escalating concentrations of ethanol was measured in mice with GluN2B gene deletion in either cortical principal neurons (GluN2B(CxNULL)) or interneurons (GluN2B(InterNULL)), using a two-bottle choice paradigm...
February 2017: Alcohol
https://www.readbyqxmd.com/read/28109344/initial-subjective-reward-to-alcohol-in-sprague-dawley-rats
#9
Todd B Nentwig, Kevin P Myers, Judith E Grisel
Initial subjective response to the rewarding properties of alcohol predicts voluntary consumption and the risk for alcohol use disorders. We assessed the initial subjective reward to alcohol in rats using a single exposure conditioned place preference (SE-CPP) paradigm. Sprague-Dawley rats demonstrate preference for a context paired with a single systemic injection of ethanol (1.0 g/kg, delivered intraperitoneally). However, expression of SE-CPP in males depended on pairing ethanol with the first exposure of two (ethanol; saline) to the conditioning apparatus and procedures, while conditioning day did not appreciably affect SE-CPP in females, consistent with the view that females experience heightened addiction vulnerability...
February 2017: Alcohol
https://www.readbyqxmd.com/read/28109343/involvement-of-wnt-pathway-in-ethanol-induced-inhibition-of-mouse-embryonic-stem-cell-differentiation
#10
Qian Wang, Jing-Wen Song, Yang Liu, Xian-Xian Zhao
Ethanol has been reported to have toxicity on embryonic stem cells (ESCs). The present study aims to address the teratogenic effects of ethanol on the growth and cardiac differentiation of ESCs. Mouse embryonic stem D3 cells were employed. 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) and lactate dehydrogenase (LDH) assays were used to determine cytotoxicity. Quantitative real time polymerase chain reaction (qRT-PCR) and Western blotting were used to analyze the expressions of cardiac differentiation-related and Wnt signaling factors...
February 2017: Alcohol
https://www.readbyqxmd.com/read/28109342/developmental-lead-exposure-induces-opposite-effects-on-ethanol-intake-and-locomotion-in-response-to-central-vs-systemic-cyanamide-administration
#11
Mara Soledad Mattalloni, Romina Deza-Ponzio, Paula Alejandra Albrecht, Liliana Marina Cancela, Miriam Beatriz Virgolini
Lead (Pb) is a developmental neurotoxicant that elicits differential responses to drugs of abuse. Particularly, ethanol consumption has been demonstrated to be increased as a consequence of environmental Pb exposure, with catalase (CAT) and brain acetaldehyde (ACD, the first metabolite of ethanol) playing a role. The present study sought to interfere with ethanol metabolism by inhibiting ALDH2 (mitochondrial aldehyde dehydrogenase) activity in both liver and brain from control and Pb-exposed rats as a strategy to accumulate ACD, a substance that plays a major role in the drug's reinforcing and/or aversive effects...
February 2017: Alcohol
https://www.readbyqxmd.com/read/28027852/analyses-of-differentially-expressed-genes-after-exposure-to-acute-stress-acute-ethanol-or-a-combination-of-both-in-mice
#12
Jessica A Baker, Jingxin Li, Diana Zhou, Ming Yang, Melloni N Cook, Byron C Jones, Megan K Mulligan, Kristin M Hamre, Lu Lu
Alcohol abuse is a complex disorder, which is confounded by other factors, including stress. In the present study, we examined gene expression in the hippocampus of BXD recombinant inbred mice after exposure to ethanol (NOE), stress (RSS), and the combination of both (RSE). Mice were given an intraperitoneal (i.p.) injection of 1.8 g/kg ethanol or saline, and subsets of both groups were exposed to acute restraint stress for 15 min or controls. Gene expression in the hippocampus was examined using microarray analysis...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27989609/limbic-circuitry-activation-in-ethanol-withdrawal-is-regulated-by-a-chromosome-1-locus
#13
Kari J Buck, Gang Chen, Laura B Kozell
Physiological dependence and associated withdrawal episodes are thought to constitute a motivational force sustaining alcohol use/abuse and contributing to relapse in alcoholics. Although no animal model exactly duplicates alcoholism, models for specific factors, including the withdrawal syndrome, are useful for identifying potential genetic and neural determinants of liability in humans. We previously identified highly significant quantitative trait loci (QTLs) with large effects on predisposition to withdrawal after chronic and acute alcohol exposure in mice and mapped these loci to the same region of chromosome 1 (Alcdp1 and Alcw1, respectively)...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27912921/preface-to-a-special-issue-on-genetic-models-of-alcoholism-and-alcohol-stress-interactions
#14
EDITORIAL
Robert W Williams, Andrew Holmes
No abstract text is available yet for this article.
February 2017: Alcohol
https://www.readbyqxmd.com/read/27908524/genetic-correlation-between-alcohol-preference-and-conditioned-fear-exploring-a-functional-relationship
#15
Julia A Chester, Marcus M Weera
Post-traumatic stress disorder (PTSD) and alcohol-use disorders have a high rate of co-occurrence, possibly because they are regulated by common genes. In support of this idea, mice selectively bred for high (HAP) alcohol preference show greater fear potentiated startle (FPS), a model for fear-related disorders such as PTSD, compared to mice selectively bred for low (LAP) alcohol preference. This positive genetic correlation between alcohol preference and FPS behavior suggests that the two traits may be functionally related...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27894806/genetic-divergence-in-the-transcriptional-engram-of-chronic-alcohol-abuse-a-laser-capture-rna-seq-study-of-the-mouse-mesocorticolimbic-system
#16
Megan K Mulligan, Khyobeni Mozhui, Ashutosh K Pandey, Maren L Smith, Suzhen Gong, Jesse Ingels, Michael F Miles, Marcelo F Lopez, Lu Lu, Robert W Williams
Genetic factors that influence the transition from initial drinking to dependence remain enigmatic. Recent studies have leveraged chronic intermittent ethanol (CIE) paradigms to measure changes in brain gene expression in a single strain at 0, 8, 72 h, and even 7 days following CIE. We extend these findings using LCM RNA-seq to profile expression in 11 brain regions in two inbred strains - C57BL/6J (B6) and DBA/2J (D2) - 72 h following multiple cycles of ethanol self-administration and CIE. Linear models identified differential expression based on treatment, region, strain, or interactions with treatment...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27884493/initial-genetic-dissection-of-serum-neuroactive-steroids-following-chronic-intermittent-ethanol-across-bxd-mouse-strains
#17
Patrizia Porcu, Todd K O'Buckley, Marcelo F Lopez, Howard C Becker, Michael F Miles, Robert W Williams, A Leslie Morrow
Neuroactive steroids modulate alcohol's impact on brain function and behavior. Ethanol exposure alters neuroactive steroid levels in rats, humans, and some mouse strains. We conducted an exploratory analysis of the neuroactive steroids (3α,5α)-3-hydroxypregnan-20-one (3α,5α-THP), (3α,5α)-3,21-dihydroxypregnan-20-one (3α,5α-THDOC), and pregnenolone across 126-158 individuals and 19 fully inbred strains belonging to the BXD family, which were subjected to air exposure, or chronic intermittent ethanol (CIE) exposure...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27838001/the-allostatic-impact-of-chronic-ethanol-on-gene-expression-a-genetic-analysis-of-chronic-intermittent-ethanol-treatment-in-the-bxd-cohort
#18
Andrew D van der Vaart, Jennifer T Wolstenholme, Maren L Smith, Guy M Harris, Marcelo F Lopez, Aaron R Wolen, Howard C Becker, Robert W Williams, Michael F Miles
The transition from acute to chronic ethanol exposure leads to lasting behavioral and physiological changes such as increased consumption, dependence, and withdrawal. Changes in brain gene expression are hypothesized to underlie these adaptive responses to ethanol. Previous studies on acute ethanol identified genetic variation in brain gene expression networks and behavioral responses to ethanol across the BXD panel of recombinant inbred mice. In this work, we have performed the first joint genetic and genomic analysis of transcriptome shifts in response to chronic intermittent ethanol (CIE) by vapor chamber exposure in a BXD cohort...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27814928/mouse-strain-differences-in-punished-ethanol-self-administration
#19
Lindsay R Halladay, Adrina Kocharian, Andrew Holmes
Determining the neural factors contributing to compulsive behaviors such as alcohol-use disorders (AUDs) has become a significant focus of current preclinical research. Comparison of phenotypic differences across genetically distinct mouse strains provides one approach to identify molecular and genetic factors contributing to compulsive-like behaviors. Here we examine a rodent assay for punished ethanol self-administration in four widely used inbred strains known to differ on ethanol-related behaviors: C57BL/6J (B6), DBA/2J (D2), 129S1/SvImJ (S1), and BALB/cJ (BALB)...
February 2017: Alcohol
https://www.readbyqxmd.com/read/27793543/variable-effects-of-chronic-intermittent-ethanol-exposure-on-ethanol-drinking-in-a-genetically-diverse-mouse-cohort
#20
Marcelo F Lopez, Michael F Miles, Robert W Williams, Howard C Becker
The BXD family of mice were generated by crossing and inbreeding ethanol-preferring C57BL/6J and ethanol-avoiding DBA/2J strains that differ greatly in genome sequence and other behaviors. This study evaluated variations in the level of voluntary ethanol intake in a cohort of 42 BXD strains and both progenitor strains using a model of alcohol dependence and relapse drinking. A total of 119 BXDs (85 males, 34 females) (n ∼ 4 per genotype; 1/genotype/sex/group) were evaluated along with males from both progenitor strains (n = 14-15/genotype)...
February 2017: Alcohol
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