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The severity of dependence on alcohol and the efficacy of diverse types of treatments for alcoholism have been the subject of various researches. This study focused on the types of beverages preferentially consumed by alcohol-dependent outpatients and their effects on the severity of dependence and therapeutic outcomes. Our sample comprised 153 patients, 18–60 years of age, with an International Classification...
This article highlights the research presented at the Alcohol and Trauma Satellite Symposium at the 30th Annual Meeting of the Shock Society. The satellite meeting was held on June 8 and 9 in Baltimore, MD. Its purpose was to discuss recent findings in the areas of alcohol and injury, including the effect of alcohol use on patients in the trauma unit of hospitals. The meeting consisted of three sessions,...
Chronic ethanol intoxication induces oxidative stress participating in the development of many diseases. Nutrition and the interaction of food nutrients with ethanol metabolism may modulate alcohol toxicity. One such compound is l-carnitine (l-3-hydroxy-4-N,N,N-trimethylaminobutyrate), which also reveals antioxidant abilities. The present study has been designed to investigate the effect of l-carnitine...
Fetal alcohol spectrum disorder (FASD) is caused by prenatal exposure to alcohol and associated with hypoplasia and impaired neuronal migration in the cerebellum. Neuronal survival and motility are stimulated by insulin and insulin-like growth factor (IGF), whose signaling pathways are major targets of ethanol neurotoxicity. To better understand the mechanisms of ethanol-impaired neuronal migration...
There is strong evidence that sympathovagal balance plays an important role in the progression of cardiac dysfunction in non-alcoholics. The purpose of this investigation was to determine whether a pattern of continuous ethanol intake and withdrawal modulates the cardiac sympathovagal balance and left ventricular (LV) systolic function in rats. Male Wistar rats were treated with a continuous ethanol...
Alcohol has been suggested to be a risk factor for opioid-dependent patients in methadone maintenance treatment (MMT). Literature shows that MMT has limited effects on alcohol use. Nevertheless, a decrease in alcohol use was detected in the Swiss heroin-assisted treatment (HAT) study. In this article, we carry out an in-depth analysis of the German HAT trial with the aim of determining whether alcohol...
Nitric oxide (NO) produced by neuronal nitric oxide synthase (nNOS) has a role in synaptic plasticity, and evidence suggests its role in a range of effects produced by alcohol in the central nervous system. The aim of the current study was to investigate the role of the nNOS gene in the development of ethanol-induced conditioned place preference (CPP) in mice. The CPP paradigm is designed to investigate...
Chronic alcoholics are predisposed to the development of a systemic inflammatory response syndrome, which is usually triggered in the gut. This study aimed to investigate in rats the role of intestinal epithelial inflammatory responsiveness in the susceptibility of alcoholics to excessive inflammation. Thirty Wistar rats were randomly divided into three groups: 10 rats killed immediately after acclimation...
The present study tested the hypotheses that vulnerability to ethanol depends upon (1) population-based characteristics of the neuronal progenitors and (2) the maturation of that population by examining the effects of prenatal exposure to ethanol on brainstem nuclei derived from different rhombomeres and from the alar and basal plates. Macaca nemestrina received an ethanol-containing solution 1 day...
Brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) are thought to be related to neuroprotection in cell culture and animal studies. Our aim was to verify the changes in human plasma BDNF and NGF concentrations induced by chronic alcohol use. Forty-one male patients with alcohol dependence were sampled the next morning of admission and compared with 41 healthy male subjects. Plasma...
Teenagers are more likely than adults to engage in binge drinking and could be more vulnerable to long-term brain changes following alcohol abuse. We investigated the possibility of excessive adolescent drinking in a rodent model in which beer (4.44% ethanol vol/vol) is presented to adult and adolescent male Wistar rats. Experiment 1 tracked ad libitum beer and water consumption in group-housed rats...
Cloninger's type II is a severe, early-onset, male-limited, and genetically influenced, impulsive form of alcoholism. Significant association has been reported between the A1 allele of the D2 dopamine receptor (DRD2) gene, substance misuse and personality traits of impulsivity and novelty seeking. We assessed the association between the TaqI A DRD2 gene polymorphism with Cloninger's typology and family...
Hepato-subcellular effect of angiotensin II (Ang II) and ethanol on the p42/44 mitogen-activated protein kinase (MAPK) and MAPK kinase (MEK 1/2) was investigated in the nucleus of rat hepatocytes. Hepatocytes were treated with ethanol (100mM) for 24h and stimulated with Ang II (100nM, 5min). The levels of p42/44 MAPK and MEK 1/2 were monitored in the nuclear fraction using antibodies. Ang II itself...
The annual meeting of the Fetal Alcohol Spectrum Disorders Study Group (FASDSG) was held on June 28, 2008 in Washington DC, as a satellite to the Research Society on Alcoholism meeting. The FASDSG membership includes clinical, basic, and social scientists who meet to discuss recent advances and issues in FASD research. The main theme of the meeting was “Factors that Influence Brain and Behavioral...
Glutamate receptors are important target molecules of the acute effect of ethanol. We studied ethanol sensitivity of homomeric GluR-D receptors expressed in human embryonic kidney 293 cells and examined whether recently discovered transmembrane α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor regulatory proteins (TARPs) affect ethanol sensitivity. Coexpression of the TARPs, stargazin,...
It has been difficult to find conditioned preference for tactile cues paired with ethanol intoxication in rats. Toward understanding the ontogeny of ethanol reinforcement, we aimed at establishing a simple and reliable procedure for (1) assessing primary appetitive conditioning to ethanol in infant rats and (2) discerning the role the opioid system plays in ethanol-mediated conditioning at this age...
Ninety-four consecutive responders to treatment alcoholics, 39 with and 55 without psychiatric comorbidity, were compared, regarding affective temperaments, according to the formulation of Akiskal and Mallya, with 50 healthy volunteers displaying the same social characteristics and belonging to the same environment. No differences were observed between alcoholics and controls on the hyperthymic scale...
Work from our laboratory has shown that orexin (ORX; or hypocretin) neurons in the lateral hypothalamus are involved in preference for morphine, cocaine, and food. Other groups have demonstrated a connection between the ORX system and ethanol-related behaviors. Here, we extended those results to investigate, in outbred Sprague–Dawley rats, the relationship between ethanol preference and the ORX system...
Recent findings suggest that the ability of ethanol (EtOH) to increase the levels of neurosteroids with potent γ-aminobutyric acid (GABA)ergic properties can influence measures of EtOH sensitivity. Earlier studies determined that removal of the adrenals and gonads diminished the steroidogenic effect of EtOH and significantly increased acute EtOH withdrawal severity in two inbred mouse strains that...
Alcoholism is a pervasive social problem, and thus understanding factors that regulate alcohol (ethanol) reward is important for designing effective therapies. One putative regulatory system includes the kappa opioid receptor (KOR) and its endogenous ligand, dynorphin. Previously, we demonstrated that acute ethanol increased preprodynorphin expression via brain-derived neurotrophic factor (BDNF) in...
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