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Ethanol intake

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https://www.readbyqxmd.com/read/28072397/agrp-neuron-activity-is-required-for-alcohol-induced-overeating
#1
Sarah Cains, Craig Blomeley, Mihaly Kollo, Romeo Rácz, Denis Burdakov
Alcohol intake associates with overeating in humans. This overeating is a clinical concern, but its causes are puzzling, because alcohol (ethanol) is a calorie-dense nutrient, and calorie intake usually suppresses brain appetite signals. The biological factors necessary for ethanol-induced overeating remain unclear, and societal causes have been proposed. Here we show that core elements of the brain's feeding circuits-the hypothalamic Agrp neurons that are normally activated by starvation and evoke intense hunger-display electrical and biochemical hyperactivity on exposure to dietary doses of ethanol in brain slices...
January 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28057167/moderate-dose-regular-lifelong-alcohol-intake-changes-the-intestinal-flora-protects-against-aging-and-keeps-spatial-memory-in-the-senescence-accelerated-mouse-prone-8-samp8-model
#2
Chikako Shimizu, Yasuhiro Oki, Yutaka Mitani, Youichi Tsuchiya, Toshitaka Nabeshima
PURPOSE: Heavy and long-term alcohol consumption increase the risk of alcohol-related diseases. Epidemiological studies show moderate drinking reduces the risk of mortality, cardiovascular diseases, and brain infarction in the J-shaped or U-shaped curve effect. However, why moderate drinkers may be healthy and non-drinkers may be ill in diverse populations remains controversial. Herein, we examined the relationship between moderate/lifelong alcohol intake and aging, especially aging-related cognitive functions in senescence-accelerated mouse prone 8 (SAMP8) model...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28056375/evaluation-of-direct-and-indirect-ethanol-biomarkers-using-a-likelihood-ratio-approach-to-identify-chronic-alcohol-abusers-for-forensic-purposes
#3
Eugenio Alladio, Agnieszka Martyna, Alberto Salomone, Valentina Pirro, Marco Vincenti, Grzegorz Zadora
The detection of direct ethanol metabolites, such as ethyl glucuronide (EtG) and fatty acid ethyl esters (FAEEs), in scalp hair is considered the optimal strategy to effectively recognize chronic alcohol misuses by means of specific cut-offs suggested by the Society of Hair Testing. However, several factors (e.g. hair treatments) may alter the correlation between alcohol intake and biomarkers concentrations, possibly introducing bias in the interpretative process and conclusions. 125 subjects with various drinking habits were subjected to blood and hair sampling to determine indirect (e...
December 21, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28055129/long-term-ethanol-exposure-decreases-the-endotoxin-induced-hepatic-acute-phase-response-in-rats
#4
Emilie Glavind, Hendrik Vilstrup, Henning Grønbaek, Stephen Hamilton-Dutoit, Nils Erik Magnusson, Karen Louise Thomsen
BACKGROUND: Long-term excess alcohol intake predisposes to infectious diseases. The hepatic acute phase response is a component of the innate immune system and is part of the first line of defense against invading pathogens, which may be compromised by alcohol. We aimed to investigate whether an induced acute phase response is impaired in long-term ethanol-fed rats. METHODS: For six weeks, rats were either fed a Lieber-DeCarli ethanol-containing (36% as calories) liquid diet ad libitum or calorically pair-fed...
January 5, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28049208/the-pathogenesis-of-alcohol-induced-airflow-limitation-in-acetaldehyde-dehydrogenase-2-deficient-mice
#5
Terufumi Shimoda, Yasushi Obase, Hiroto Matsuse, Sadahiro Asai, Tomoaki Iwanaga
BACKGROUND: In Japanese patients, alcohol-induced asthma is attributed to elevated plasma concentrations of acetaldehyde following alcohol consumption because of an acetaldehyde dehydrogenase 2 gene (ALDH2) polymorphism. The resulting increase in plasma histamine concentrations seems to trigger the onset of asthma symptoms. However, the specific pathogenic mechanism underlying this response remains unclear. ALDH2-deficient mice were therefore generated to investigate the pathogenesis of alcohol-induced asthma...
January 4, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28046181/increases-in-duodenal-glutamic-acid-supply-linearly-increase-small-intestinal-starch-digestion-but-not-nitrogen-balance-in-cattle
#6
E J Blom, D E Anderson, D W Brake
Small intestinal starch digestion (SISD) in cattle is often limited; however, greater postruminal flow of high-quality protein (e.g., casein) can increase SISD, and Glu can mimic responses to casein for SISD. We evaluated effects of increasing Glu flows to the duodenum on SISD and N retention in cattle. Cattle received (DM basis) continuous duodenal infusion of raw cornstarch (1.5 ± 0.08 kg/d) and 0, 30.9 ± 0.6, 62.4 ± 1.2, or 120.4 ± 3.4 g/d Glu or 387.9 ± 17.5 g/d casein. As expected, the positive control (i...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28032358/evaluation-of-the-brachial-artery-endothelial-function-in-chronic-alcohol-consumption-among-males-by-high-frequency-ultrasonography
#7
Runlan Luo, Jiaqi Shen, Qiao Zhou, Yue Liu, Guangsen Li
OBJECTIVE: There is evidence suggesting that different volumes of chronic alcohol consumption have different effects on the endothelium. Therefore, using high-frequency ultrasonography, we evaluate the effects of the different volume and duration of alcohol intake on brachial artery endothelial function in chronic drinkers. METHODS: Ninety-two male chronic episodic alcoholics were grouped by alcohol intake amount and duration: mild (group B, n=30); ≤90 mg ethanol daily, 3-5 days/wk for 5-8 years; moderate (group C, n=30); 90-150 mg ethanol daily, 3-5 days/wk for 9-20 years; and severe (group D, n=32); ≥150 mg ethanol daily, 6-7 days/wk for more than 10 years...
December 29, 2016: Echocardiography
https://www.readbyqxmd.com/read/28017600/ulk1-protects-against-ethanol-induced-neuronal-stress-and-cognition-related-behavioral-deficits
#8
Akiko Sumitomo, Keisho Ueta, Sayaka Mauchi, Kazuko Hirai, Kouta Horike, Takatoshi Hikida, Takeshi Sakurai, Akira Sawa, Toshifumi Tomoda
Alcoholism is a psychiatric condition that develops through neuroadaptations in response to neuronal stresses caused by chronic ethanol intake. Neurons can adapt to ethanol-induced metabolic changes by activating cellular protective mechanisms, including autophagy. Here we show that expression of Ulk1, a gene critical to the regulation of autophagy, was affected in the prefrontal cortex (PFC) of mice following chronic intermittent ethanol (CIE) exposure. Consequently, overall levels of Ulk1 activity in the PFC were downregulated, leading to accumulation of p62, a protein that serves as a target for autophagic degradation...
December 22, 2016: Neuroscience Research
https://www.readbyqxmd.com/read/28013091/effects-of-ly466195-a-selective-kainate-receptor-antagonist-on-ethanol-preference-and-drinking-in-rats
#9
Duncan Van Nest, Nicole S Hernandez, Henry R Kranzler, R Christopher Pierce, Heath D Schmidt
There is evidence that variation in the gene encoding a kainate receptor subunit contributes to alcohol dependence risk. Further, there is suggestive evidence that alcohol consumption is mediated, in part, by kainate receptors. In this study, we used a novel kainate receptor antagonist, LY466195, to examine the potential role of kainate receptors in alcohol drinking behavior using a rodent model of voluntary ethanol consumption. Male Sprague Dawley and Long Evans rats were given access to 20% ethanol using the intermittent two-bottle choice paradigm...
December 21, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28011342/understanding-and-predicting-the-impact-of-critical-dissolution-variables-for-nifedipine-immediate-release-capsules-by-multivariate-data-analysis
#10
A Mercuri, M Pagliari, F Baxevanis, R Fares, N Fotaki
In this study the selection of in vivo predictive in vitro dissolution experimental set-ups using a multivariate analysis approach, in line with the Quality by Design (QbD) principles, is explored. The dissolution variables selected using a design of experiments (DoE) were the dissolution apparatus [USP1 apparatus (basket) and USP2 apparatus (paddle)], the rotational speed of the basket/or paddle, the operator conditions (dissolution apparatus brand and operator), the volume, the pH, and the ethanol content of the dissolution medium...
December 20, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27998921/the-performance-of-alcohol-markers-including-ethyl-glucuronide-and-ethyl-sulphate-to-detect-alcohol-use-in-clients-in-a-community-alcohol-treatment-programme
#11
Jane M Armer, Lihini Gunawardana, Rebecca L Allcock
AIMS: The ethanol metabolites ethyl glucuronide (EtG) and ethyl sulphate (EtS) are detectable for longer in urine than breath ethanol or urine ethanol after alcohol intake. This study compared the performance of breath ethanol, urine ethanol, urine EtG and EtS to detect alcohol consumption in clients in community alcohol treatment. METHODS: Clients attending the community alcohol treatment programme were asked to provide an alcohol diary, breathalyser test and urine for ethanol, EtG and EtS measurement (n = 42)...
January 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/27998722/intermittent-access-to-a-nutritionally-complete-high-fat-diet-attenuates-alcohol-drinking-in-rats
#12
Sunil Sirohi, Arriel Van Cleef, Jon F Davis
Binge eating disorder and alcohol use disorder (AUD) frequently co-occur in the presence of other psychiatric conditions. Data suggest that binge eating engages similar behavioral and neurochemical processes common to AUD, which might contribute to the etiology or maintenance of alcoholism. However, it is unclear how binge feeding behavior and alcohol intake interact to promote initiation or maintenance of AUD. We investigated the impact of binge-like feeding on alcohol intake and anxiety-like behavior in male Long Evans rats...
December 18, 2016: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/27993695/effects-of-orally-administered-augmentin-on-glutamate-transporter-1-cystine-glutamate-exchanger-expression-and-ethanol-intake-in-alcohol-preferring-rats
#13
Alqassem Y Hakami, Fahad S Alshehri, Yusuf S Althobaiti, Youssef Sari
Alcohol dependence is associated with deficits in glutamate uptake and impairment of glutamate homeostasis in different brain reward regions. Glutamate transporter subtype 1 (GLT-1), cystine-glutamate exchanger (xCT) and glutamate/aspartate transporter (GLAST) are one of the key players in regulating extracellular glutamate concentration in the brain. Parenteral treatment with ceftriaxone, β-lactam antibiotic, has been reported to attenuate ethanol consumption and reinstatement to cocaine-seeking behavior, in part, by restoring the expression of GLT-1 and xCT in mesocorticolimbic brain regions in rats...
December 16, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27992939/antiobesity-and-lipid-lowering-effects-of-orthosiphon-stamineus-in-high-fat-diet-induced-obese-mice
#14
Atefehalsadat Seyedan, Mohammed Abdullah Alshawsh, Mustafa Ahmed Alshagga, Zahurin Mohamed
The present study investigated the antiobesity and lipid lowering effects of an ethanolic extract of leaves obtained from Orthosiphon stamineus (200 and 400 mg/kg) and its major compound (rosmarinic acid, 10 mg/kg) in obese mice (C57BL/6) induced by a high-fat diet. Continuous supplementation with O. stamineus extract (200 and 400 mg/kg) for 8 weeks significantly decreased body weight gain (p < 0.05). However, supplementation with rosmarinic acid, a constituent in the extract, produced only a slight reduction in body weight gain compared to the high-fat diet control group...
December 19, 2016: Planta Medica
https://www.readbyqxmd.com/read/27987315/partial-protection-by-dietary-antioxidants-against-ethanol-induced-osteopenia-and-changes-in-bone-morphology-in-female-mice
#15
Alexander W Alund, Kelly E Mercer, Casey F Pulliam, Larry J Suva, Jin-Ran Chen, Thomas M Badger, Martin J J Ronis
BACKGROUND: Chronic alcohol consumption leads to increased fracture risk and an elevated risk of osteoporosis by decreasing bone accrual through increasing osteoclast activity and decreasing osteoblast activity. We have shown that this mechanism involves the generation of reactive oxygen species (ROS) produced by NADPH oxidases. It was hypothesized that different dietary antioxidants, N-acetyl cysteine (NAC; 1.2 mg/kg/d), and α-tocopherol (Vit.E; 60 mg/kg/d) would be able to attenuate the NADPH oxidase-mediated ROS effects on bone due to chronic alcohol intake...
January 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27986929/genetic-and-pharmacologic-manipulation-of-tlr4-has-minimal-impact-on-ethanol-consumption-in-rodents
#16
R Adron Harris, Michal Bajo, Richard L Bell, Yuri A Blednov, Florence P Varodayan, Jay Truitt, Giordano de Guglielmo, Amy W Lasek, Marian L Logrip, Leandro F Vendruscolo, Amanda J Roberts, Edward Roberts, Olivier George, Jody Mayfield, Timothy R Billiar, David J Hackam, R Dayne Mayfield, George F Koob, Marisa Roberto, Gregg E Homanics
: Toll-like receptor 4 (TLR4) is a critical component of innate immune signaling and has been implicated in alcohol responses in preclinical and clinical models. Members of the Integrative Neuroscience Initiative on Alcoholism (INIA-Neuroimmune) consortium tested the hypothesis that TLR4 mediates excessive ethanol drinking using i) Tlr4 knockout (KO) rats, ii) selective knockdown of Tlr4 mRNA in mouse nucleus accumbens (NAc), and iii) injection of the TLR4 antagonist (+)-naloxone in mice...
December 16, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27957462/a-stochastic-model-for-the-ethanol-pharmacokinetics
#17
Mazyar Ghadirinejad, Emine Atasoylu, Gökhan Izbirak, Matina Gha-Semi
BACKGROUND: The aim of this study was to propose a new stochastic model to study the time course of ethanol elimination in human bodies. METHODS: The times and amount of alcohol ingested are assumed to be random in controllable intervals. Constant elimination rate follows zero order kinetics and is replaced by first order kinetics when the effects of alcohol increase due to alcohol ingestion. Simulation studies of three different models were made to compare the statistical characteristics of the ethanol effects obtained using analytical expressions...
September 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27956119/long-term-effects-of-repeated-maternal-separation-and-ethanol-intake-on-hpa-axis-responsiveness-in-adult-rats
#18
María Mercedes Odeon, Laura Yamauchi, Mauricio Grosman, Gabriela Beatriz Acosta
It has been shown that early life manipulations produce behavioral, neural, and hormonal effects. The long term consequences of repeated maternal separation (RMS) plus cold stress and ethanol intake were evaluated during adolescence and adult rats on hypothalamic-pituitary-adrenal (HPA) axis in male adult Wistar rats. RMS+ cold stress was applied from postnatal day (PD) 2 in which the pups were separated from their mothers and exposed to cold stress (4°C) 1h per day for 20 days; controls remained with their mothers...
December 9, 2016: Brain Research
https://www.readbyqxmd.com/read/27943267/lifetime-alcohol-intake-is-associated-with-an-increased-risk-of-kras-and-braf-kras-but-not-braf-colorectal-cancer
#19
Harindra Jayasekara, Robert J MacInnis, Elizabeth J Williamson, Allison M Hodge, Mark Clendenning, Christophe Rosty, Rhiannon Walters, Robin Room, Melissa C Southey, Mark A Jenkins, Roger L Milne, John L Hopper, Graham G Giles, Daniel D Buchanan, Dallas R English
Ethanol in alcoholic beverages is a causative agent for colorectal cancer. Colorectal cancer is a biologically heterogeneous disease, and molecular subtypes defined by the presence of somatic mutations in BRAF and KRAS are known to exist. We examined associations between lifetime alcohol intake and molecular and anatomic subtypes of colorectal cancer. We calculated usual alcohol intake for 10-year periods from age 20 using recalled frequency and quantity of beverage-specific consumption for 38,149 participants aged 40-69 years from the Melbourne Collaborative Cohort Study...
December 10, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27942667/the-biphasic-dose-effect-of-lychee-litchi-chinensis-sonn-pulp-phenolic-extract-on-alcoholic-liver-disease-in-mice
#20
Juan Xiao, Ruifen Zhang, Fei Huang, Lei Liu, Yuanyuan Deng, Zhencheng Wei, Yan Zhang, Dong Liu, Mingwei Zhang
Lychee (Litchi chinensis Sonn.), a subtropical fruit grown widely in Southeast Asia, has been used as a traditional Chinese medicine for liver protection. Our previous study showed that phenolics from lychee pulp had hepatoprotective activity against restraint stress-induced liver injury. The present study investigated the protective effects of lychee pulp phenolic extract (LPPE) on ethanol-induced liver injury and the mechanism responsible for these effects. Mice were divided into four groups and subjected to either a control liquid diet (control group, CON), a 4% (w/v) ethanol-containing liquid diet (ethanol group, EtOH), a 4% (w/v) ethanol-containing liquid diet supplemented with 0...
December 12, 2016: Food & Function
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