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Ethanol intake

Sunil Sirohi, Arriel Van Cleef, Jon F Davis
Binge eating and binge alcohol intake are behavioral manifestations of pathological feeding and alcohol use disorder (AUD), respectively. Binge-feeding and AUD have high comorbidity with other psychiatric disorders such as depression, which could have important implications for the management of these conditions. Importantly, these behaviors share many common features suggesting a singular etiology. However, the nature by which binge-feeding affects the development or maintenance of AUD is unclear. The present study examined the impact of a binge-feeding from a nutritionally complete high-fat diet (HFD) on initiation and maintenance of alcohol intake, anxiolytic behavior and central genetic changes in brain regions that control alcohol-reinforced behaviors...
October 17, 2016: Physiology & Behavior
Sebastião Barreto de Brito-Filho, Egberto Gaspar de Moura, Orlando José Dos Santos, Euler Nicolau Sauaia-Filho, Elias Amorim, Ewaldo Eder Carvalho Santana, Allan Kardec Dualibe Barros-Filho, Rennan Abud Pinheiro Santos
Background: The health benefits associated with moderate wine consumption, as with ethanol and phenolic compounds, include different mechanisms still little understandable. Aim: Evaluate glycemic and weight variations, and the deposit of triglycerides, cholesterol and liver glycogen with red wine consumption. Methods: 60 ApoE knockout mice were divided into three groups of 20: Wine Group (WG), Ethanol Group (EG) and Water Group (WAG). They received daily: WG 50 ml of wine and 50 ml water; EG 6 ml ethanol and WAG 94 ml of water...
July 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Taewoong Oh, Sakura Tanaka, Tatsuki Naka, Shoji Igawa
PURPOSE: This study was performed to assess the effects of high-intensity intermittent swimming training(HIT) on bone in ovariectomized rats. METHODS: Six-week-old female Sprague-Dawley rats were randomly assigned to either sham operation or bilateral ovariectomy. After surgery, they were divided into the following four groups: 1) sham-operated sedentary (S), 2) sham-operated exercise training (SE), 3) OVX sedentary (O), 4) OVX exercise training (OE) 5) OVX given 17β-estradiol (OE2) and 6) OVX exercise training and given 17β-estradiol (OEE)...
September 2016: Journal of Exercise Nutrition & Biochemistry
Humberto M Barbosa, Jailson N DO Nascimento, Thiago A S Araújo, Filipe S Duarte, Ulysses P Albuquerque, Jeymesson R C Vieira, Edson R B DE Santana, Ricardo Yara, Cláudia S A Lima, Dayane A Gomes, Eduardo C Lira
Spondias tuberosa Arruda, popularly named as umbu, is native from savanna-like vegetation and widely used for medicinal purposes, however, the toxicological profile is not available yet. This study evaluated the phytochemical profile and acute toxicity and citoxicity of Ethanolic Extract of Spondias tuberosa Arruda Bark (EEStb) in hematological, biochemical and histopathological parameters. Female Wistar rats were divided into: control (C) and animal treated single doses of 300mg/Kg (EEStb300) or 2.000mg/kg body weight (ESStb2...
October 10, 2016: Anais da Academia Brasileira de Ciências
Zuleen Delina Fasya Abdul Ghani, Juani Mazmin Husin, Ahmad Hazri Ab Rashid, Khozirah Shaari, Zamri Chik
Piper Betle L. (PB) belongs to the Piperaceae family. The presence of a fairly large quantity of diastase in the betel leaf is deemed to play an important role in starch digestion and calls for the study of weight loss activities and metabolite profile from PB leaf extracts using metabolomics approach to be performed. PB dried leaves were extracted with 70% ethanol and the extracts were subjected to five groups of rats fed with high fat (HF) and standard diet (SD). They were then fed with the extracts in two doses and compared with a negative control group given water only according to the study protocol...
October 7, 2016: Journal of Ethnopharmacology
J T Gass, J T McGonigal, L J Chandler
Alcoholism is a chronic relapsing disorder characterized by periods of heavy alcohol consumption and unsuccessful attempts at abstinence. Relapse is one of the most problematic aspects in the treatment of alcoholism and is triggered by ethanol-associated cues. Extinction-based cue exposure therapies have proven ineffective in the treatment of alcoholism. However, positive allosteric modulation of mGlu5 with CDPPB enhances the extinction learning of alcohol-seeking behavior. The current study investigated the impact of chronic alcohol exposure on the extinction of ethanol-seeking behavior...
October 7, 2016: Neuropharmacology
Emily L Newman, Georgia Gunner, Polly Huynh, Darrel Gachette, Stephen J Moss, Trevor G Smart, Uwe Rudolph, Joseph F DeBold, Klaus A Miczek
BACKGROUND: Alcohol use disorders are associated with single-nucleotide polymorphisms in GABRA2, the gene encoding the GABAA receptor α2-subunit in humans. Deficient GABAergic functioning is linked to impulse control disorders, intermittent explosive disorder, and to drug abuse and dependence, yet it remains unclear whether α2-containing GABAA receptor sensitivity to endogenous ligands is involved in excessive alcohol drinking. METHODS: Male wild-type (Wt) C57BL/6J and point-mutated mice rendered insensitive to GABAergic modulation by benzodiazepines (BZD; H101R), allopregnanolone (ALLO) or tetrahydrodeoxycorticosterone (THDOC; Q241M), or high concentrations of ethanol (EtOH) (S270H/L277A) at α2-containing GABAA receptors were assessed for their binge-like, moderate, or escalated chronic drinking using drinking in the dark, continuous access (CA) and intermittent access (IA) to alcohol protocols, respectively...
September 26, 2016: Alcoholism, Clinical and Experimental Research
Christoph Heier, Hao Xie, Robert Zimmermann
Ethanol is a widely used psychoactive drug whose chronic abuse is associated with organ dysfunction and disease. Although the prevalent metabolic fate of ethanol in the human body is oxidation a smaller fraction undergoes nonoxidative metabolism yielding ethyl glucuronide, ethyl sulfate, phosphatidylethanol and fatty acid ethyl esters. Nonoxidative ethanol metabolites persist in tissues and body fluids for much longer than ethanol itself and represent biomarkers for the assessment of ethanol intake in clinical and forensic settings...
October 6, 2016: IUBMB Life
Akiko Matsumoto, David C Thompson, Ying Chen, Kyoko Kitagawa, Vasilis Vasiliou
Because serum transaminases elevate alcohol dose dependently as a consequence of liver injury, they serve as useful biological markers of excessive drinking. However, these markers are inadequate in individuals with a defective allele of the aldehyde dehydrogenase 2 gene, ALDH2*2, because they show a different correlation with the amount of ethanol. For example, the serum alanine aminotransferase (ALT) level could become even lower than the baseline after alcohol intake in ALDH2*2 carriers. In fact, multiple studies suggest that ALDH2*2 is a hepato-protective factor in healthy individuals...
October 6, 2016: Environmental Health and Preventive Medicine
Jules B Panksepp, Eduardo D Rodriguez, Andrey E Ryabinin
With its ease of availability during adolescence, sweetened ethanol ('alcopops') is consumed within many contexts. We asked here whether genetically based differences in social motivation are associated with how the adolescent social environment impacts voluntary ethanol intake. Mice with previously described differences in sociability (BALB/cJ, C57BL/6J, FVB/NJ and MSM/MsJ strains) were weaned into isolation or same-sex pairs (postnatal day 21), and then given continuous access to two fluids on postnatal days 34-45: One containing water and the other containing a ascending series of saccharin-sweetened ethanol (3-to-6-to-10%)...
October 5, 2016: Genes, Brain, and Behavior
Stefania Castello, Genesis D'Aloisio, Carlos Arias, Juan Carlos Molina
Drugs of abuse, as cocaine or amphetamine, induce locomotor sensitization during infancy and adulthood of the rat. This effect during the preweanling period is observed only after a short interval of time between training and testing. We recently reported short-term locomotor sensitization induced by ethanol in pups chronically exposed to the drug during the second postnatal week of life. The present series of experiments was designed to explore the persistence of the sensitization effect across the preweanling period...
September 30, 2016: Pharmacology, Biochemistry, and Behavior
Phanthira Simapivapan, Anna Boltong, Allison Hodge
BACKGROUND: The association between alcohol intake and breast cancer recurrence or development of second primary breast cancer in the survivor population is unclear. The aim of this systematic review was to evaluate the existing evidence to assess the extent to which alcohol consumption is associated with breast cancer recurrence and second primary breast cancer. METHODS: Six databases (Cochrane Library, EMBASE, MEDLINE, PubMed, Scopus and Web of Science) were searched using the following search phrase: (breast cancer OR breast adenocarcinoma OR breast neoplasm OR breast tumour) AND (alcohol(∗) OR alcohol intake OR alcohol consumption OR ethanol) AND (recurrence OR second primary)...
September 20, 2016: Cancer Treatment Reviews
Omkar L Patkar, Arnauld Belmer, Josephine R Tarren, Joan Y Holgate, Selena E Bartlett
BACKGROUND: Our laboratory has previously shown that the smoking-cessation agent varenicline, an agonist/partial agonist of α4β2*, α3β4*, α3β2*, α6β2* (* indicates the possibility of additional subunits) and α7 subunits of nicotinic acetylcholine receptors (nAChRs), reduces ethanol consumption in rats only after long-term exposure (12 weeks). As compounds having partial agonistic activity on α3β4* nAChRs were shown to decrease ethanol consumption in rodents, we assessed here the involvement of the β4 subunit in the effect of varenicline in the reduction of short- and long-term binge-like ethanol drinking in mice...
October 28, 2016: Neuroscience Letters
Rachel Golan, Ilan Shelef, Elad Shemesh, Yaakov Henkin, Dan Schwarzfuchs, Yftach Gepner, Ilana Harman-Boehm, Shula Witkow, Michael Friger, Yoash Chassidim, Idit F Liberty, Benjamin Sarusi, Dana Serfaty, Nitzan Bril, Michal Rein, Noa Cohen, Sivan Ben-Avraham, Uta Ceglarek, Michael Stumvoll, Matthias Blüher, Joachim Thiery, Meir J Stampfer, Assaf Rudich, Iris Shai
OBJECTIVE: To generate evidence-based conclusions about the effect of wine consumption on weight gain and abdominal fat accumulation and distribution in patients with type 2 diabetes. DESIGN: In the 2-year randomized controlled CASCADE (CArdiovaSCulAr Diabetes & Ethanol) trial, patients following a Mediterranean diet were randomly assigned to drink 150 ml of mineral water, white wine or red wine with dinner for 2 years. Visceral adiposity and abdominal fat distribution were measured in a subgroup of sixty-five participants, using abdominal MRI...
October 3, 2016: Public Health Nutrition
B Lebkowska-Wieruszewska, G Barsotti, A Lisowski, A Gazzano, H Owen, M Giorgi
AIMS: To assess the effect of food intake on the pharmacokinetics of grapiprant administered orally at 2 mg/kg, and to estimate its oral bioavailability in dogs. METHODS: Eight healthy female Labrador Retriever dogs, aged 4-10 years were used. In the initial trial two dogs were administered a 0.5 mg/kg I/V bolus of grapiprant dissolved in ethanol. In the second trial, six dogs were assigned to two treatment groups, using a randomised cross-over design, and received 2 mg/kg of grapiprant orally, as pure powder, after fasting for 12 hours or after being fed...
October 2, 2016: New Zealand Veterinary Journal
Ashlee Van't Veer, Karen L Smith, Bruce M Cohen, William A Carlezon, Anita J Bechtholt
INTRODUCTION: Studies in laboratory animals and humans indicate that endogenous opioids play an important role in regulating the rewarding value of various drugs, including ethanol (EtOH). Indeed, opioid antagonists are currently a front-line treatment for alcoholism in humans. Although roles for mu- and delta-opioid receptors have been characterized, the contribution of kappa-opioid receptors (KORs) is less clear. There is evidence that changes in KOR system function can decrease or increase EtOH drinking, depending on test conditions...
September 2016: Brain and Behavior
Shashank Tandon, Kristen A Keefe, Sharif A Taha
Ethanol, like other drugs of abuse, has both rewarding and aversive properties. Previous work suggests that sensitivity to ethanol's aversive effects negatively modulates voluntary alcohol intake and thus may be important in vulnerability to developing alcohol use disorders. We previously found that rats with lesions of the lateral habenula (LHb), which is implicated in aversion-mediated learning, show accelerated escalation of voluntary ethanol consumption. To understand neural encoding in the LHb contributing to ethanol-induced aversion, we recorded neural firing in the LHb of freely behaving, water-deprived rats before and after an ethanol-induced (1...
September 28, 2016: Journal of Physiology
Simonetta Lambiase, Angelo Groppi, Denise Gemmellaro, Luca Morini
Ethyl glucuronide (EtG) and ethyl sulfate (EtS) are specific and sensitive biomarkers for the diagnosis of acute or chronic alcohol abuse. Due to postmortem alcohol production in biological tissues, they have recently been evaluated as potential biomarkers of ethanol ingestion. This in vitro study aimed to evaluate all developmental stages of the fly Calliphora vicina L. (Calliphoridae). Different pig substrates were used during the in vitro experiments to rear C. vicina Experiments were performed to: (i) assess the presence of EtG and EtS in larvae, pupae and insects; (ii) study variability due to the substrates characteristics; (iii) evaluate the possibility of false positives due to external alcohol contamination; and (iv) estimate the potential metabolism of ethanol by the insects...
September 27, 2016: Journal of Analytical Toxicology
Cristiana Catena, GianLuca Colussi, Nicolas D Verheyen, Marileda Novello, Valentina Fagotto, Giorgio Soardo, Leonardo A Sechi
Ethanol consumption is associated with left ventricular dysfunction in heavy ethanol drinkers. The effect of moderate ethanol intake on left ventricular function in hypertension, however, is unknown. We investigated the relationship between ethanol consumption and cardiac changes in nonalcoholic hypertensive patients. In 335 patients with primary hypertension, we assessed daily ethanol consumption by questionnaires that combined evaluation of recent and lifetime ethanol exposure and examined cardiac structure and function by echocardiography...
November 2016: Hypertension
Annelieke C Kruithof, Shikiko Watanabe, Pierre Am Peeters, Marieke L de Kam, Rob Gja Zuiker, Jasper Stevens, Joop Ma van Gerven, Armel Stockis
This double-blind, randomized, three-way crossover study explored the potential pharmacokinetic and pharmacodynamic interactions between ethanol and brivaracetam in 18 healthy males, as required for the development of CNS-active drugs. Subjects received (A) ethanol+brivaracetam, (B) ethanol placebo+brivaracetam and (C) ethanol+brivaracetam placebo. Ethanol was infused as a 5.5-hour intravenous clamp with the first 0.5-hour as loading phase to a target level of 0.6 g/L, and brivaracetam was orally administered as a single 200 mg dose...
September 20, 2016: Journal of Psychopharmacology
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