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Alcohol detoxification

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https://www.readbyqxmd.com/read/28729482/brca1-and-brca2-tumor-suppressors-protect-against-endogenous-acetaldehyde-toxicity
#1
Eliana Mc Tacconi, Xianning Lai, Cecilia Folio, Manuela Porru, Gijs Zonderland, Sophie Badie, Johanna Michl, Irene Sechi, Mélanie Rogier, Verónica Matía García, Ankita Sati Batra, Oscar M Rueda, Peter Bouwman, Jos Jonkers, Anderson Ryan, Bernardo Reina-San-Martin, Joannie Hui, Nelson Tang, Alejandra Bruna, Annamaria Biroccio, Madalena Tarsounas
Maintenance of genome integrity requires the functional interplay between Fanconi anemia (FA) and homologous recombination (HR) repair pathways. Endogenous acetaldehyde, a product of cellular metabolism, is a potent source of DNA damage, particularly toxic to cells and mice lacking the FA protein FANCD2. Here, we investigate whether HR-compromised cells are sensitive to acetaldehyde, similarly to FANCD2-deficient cells. We demonstrate that inactivation of HR factors BRCA1, BRCA2, or RAD51 hypersensitizes cells to acetaldehyde treatment, in spite of the FA pathway being functional...
July 20, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28692121/molecular-analysis-of-the-gstt1-gene-polymorphism-in-patients-with-clinical-manifestation-of-atherosclerosis
#2
J V M Martins, D A Rodrigues, K S F Silva, I R Costa, M H Lagares, F L Campedelli, A M Barbosa, M P Morais, K K V O Moura
Atherosclerosis is a chronic inflammatory disease formed by the accumulation of lipids in the innermost layer and large-caliber artery (tunica intima). This accumulation, along with platelet factors, stimulates the proliferation of muscle cells in this region. Over than 400 genes may be related to the pathology since they regulate endothelial function, coagulation, inflammation, metabolism of amino acids, lipids, and carbohydrates. Glutathione S-transferases (GST) are enzymes that catalyze the polymorphic detoxification of metabolites produced by oxidative stress within the cells, which is induced by reactive oxygen species...
July 6, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28676908/clostridium-species-strain-boh3-tolerates-and-transforms-inhibitors-from-horticulture-waste-hydrolysates
#3
Yu Yan, Jianzhong He
Conversion of lignocellulosic hydrolysate to biofuels is impeded by the toxic effects of inhibitors that are generated during pretreatment and hydrolysis processes. Here we describe a wild-type Clostridium sp. strain BOH3 with high tolerance to the lignocellulose-derived inhibitors and its capability to transform these inhibitors. Strain BOH3 is capable of tolerating over 60 mM furfural, 60 mM hydroxymethylfurfural, and 6.6 mM vanillin, respectively, and is able to convert 53.74 ± 0.37 mM furfural into furfuryl alcohol within 90 h...
July 4, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28655819/functional-role-of-lanthanides-in-enzymatic-activity-and-transcriptional-regulation-of-pyrroloquinoline-quinone-dependent-alcohol-dehydrogenases-in-pseudomonas-putida-kt2440
#4
Matthias Wehrmann, Patrick Billard, Audrey Martin-Meriadec, Asfaw Zegeye, Janosch Klebensberger
The oxidation of alcohols and aldehydes is crucial for detoxification and efficient catabolism of various volatile organic compounds (VOCs). Thus, many Gram-negative bacteria have evolved periplasmic oxidation systems based on pyrroloquinoline quinone-dependent alcohol dehydrogenases (PQQ-ADHs) that are often functionally redundant. Here we report the first description and characterization of a lanthanide-dependent PQQ-ADH (PedH) in a nonmethylotrophic bacterium based on the use of purified enzymes from the soil-dwelling model organism Pseudomonas putida KT2440...
June 27, 2017: MBio
https://www.readbyqxmd.com/read/28642875/rapid-elimination-of-blood-alcohol-using-erythrocytes-mathematical-modeling-and-in-vitro-study
#5
Yuliya G Alexandrovich, Elena A Kosenko, Elena I Sinauridze, Sergey I Obydennyi, Igor I Kireev, Fazoil I Ataullakhanov, Yuriy G Kaminsky
Erythrocytes (RBCs) loaded with alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALD) can metabolize plasma ethanol and acetaldehyde but with low efficiency. We investigated the rate-limiting factors in ethanol oxidation by these enzymes loaded into RBCs. Mathematical modeling and in vitro experiments on human RBCs loaded simultaneously with ADH and ALD (by hypoosmotic dialysis) were performed. The simulation showed that the rate of nicotinamide-adenine dinucleotide (NAD(+)) generation in RBC glycolysis, but not the activities of the loaded enzymes, is the rate-limiting step in external ethanol oxidation...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28639210/-oxytocin-and-the-mechanisms-of-alcohol-dependence
#6
REVIEW
Till Faehrmann, Gerald Zernig, Sergei Mechtcheriakov
One of the crucial purposes of treating alcohol-dependent patients is to enhance their ability to stay abstinent after detoxification therapy. Anxiety and stress vulnerability are the main factors provoking alcohol craving and relapse. In the first months of abstinence, alcohol-dependent patients frequently show sleep disturbances, irritability and depression, indicating chronic activation of stress pathways. In addition, the loss of confidence in interpersonal interactions results in social withdrawal and reduced willingness to participate in therapeutic programs...
June 21, 2017: Neuropsychiatrie: Klinik, Diagnostik, Therapie und Rehabilitation
https://www.readbyqxmd.com/read/28621706/nada-ear-acupuncture-an-adjunctive-therapy-to-improve-and-maintain-positive-outcomes-in-substance-abuse-treatment
#7
Kenneth Carter, Michelle Olshan-Perlmutter, Jonathan Marx, Janet F Martini, Simon B Cairns
The National Acupuncture Detoxification Association protocol (NADA) is an adjunctive therapy using 1 to 5 invariant ear acupuncture/acupressure points. This is a randomized prospective study to determine if NADA plus traditional treatment enhance outcomes: quality of life, depression, anxiety and abstinence from substance abuse. There were 100 patients enrolled in the Keystone Substance Abuse Services-Winthrop University Department of Sociology and Anthropology NADA study. All patients completed Generalized Anxiety Disorder scale (GAD-7), Patient Health Questionnaire (PHQ-9), Quality of Life Enjoyment and Satisfaction Questionnaire (Q-LES) prior to starting the program and at program completion...
June 16, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28609721/broken-lives-fights-fractures-and-motor-vehicle-accidents-among-heroin-users-entering-detoxification
#8
Michael D Stein, Bradley J Anderson, Genie L Bailey
BACKGROUND: The lives of persons who use illicit substances are filled with physical adversities and negative outcomes. OBJECTIVES: The purpose of this study was to determine: 1) the frequency of substance-related fights, fractures, and driving accidents in the past year among heroin users entering an inpatient detoxification program, and 2) to determine demographic and recent substance use factors associated with the most common of these physical traumas. METHODS: Between May 2015 and December 2015, we surveyed 433 persons entering a short-term inpatient detoxification program that reported heroin use in the last month and recorded their experiences of physical traumas in the last year...
June 6, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28554151/executive-functions-in-alcohol-dependence-a-theoretically-grounded-and-integrative-exploration
#9
Mélanie Brion, Fabien D'Hondt, Anne-Lise Pitel, Benoît Lecomte, Marc Ferauge, Philippe de Timary, Pierre Maurage
BACKGROUND: Alcohol-dependence is related to large-scale cognitive impairments, particularly for executive functions (EF). These deficits persist even after long-term abstinence and have a major impact on patients' everyday life and relapse risk. Earlier studies, based on multi-determined tasks, mostly focused on inhibition and did not offer a theoretically-grounded and exhaustive view of the differential deficit across EF. The present paper proposes a model-based exploration of EF in alcohol-dependent individuals (ALC), to precisely compare the specific deficit related to each executive subcomponent...
May 19, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28539714/evaluation-of-herb-drug-interactions-of-hovenia-dulcis-fruit-extracts
#10
Jong Suk Park, Shaheed Ur Rehman, In Sook Kim, Min Sun Choi, Chun-Soo Na, Hye Hyun Yoo
BACKGROUND: Hovenia dulcis (Rhamnaceae) fruits are popularly used as herbal medicines or dietary supplements in Asian countries due to functions such as liver protection and detoxification from alcohol poisoning. Accordingly, it is very likely for dietary supplemental products, including H. dulcis fruit extracts, to be taken with prescription drugs. OBJECTIVE: In this study, possible food-drug interactions involving H. dulcis fruit extracts were evaluated based on the inhibition of cytochrome P450 (CYP) enzyme activity...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28529367/serum-nucb2-nesfatin-1-levels-in-different-stages-of-alcohol-dependence-is-there-a-relationship-with-craving
#11
Gokhan Umut, Cuneyt Evren, Alparslan Cansiz, Mustafa Akkus, Nesrin Karamustafalioglu
INTRODUCTION: In the literature, the relationship between appetite regulating peptides and alcohol craving is on the debate. AIM: This study aims to investigate serum level of NUCB2/nesfatin-1, which is discovered as appetite-related neuropeptide, in patients with alcohol dependence who were in craving and abstaining phase and to compare with healthy controls. SETTINGS AND DESIGN: Research, Treatment, and Training Center for Alcohol and Substance Dependence, (AMATEM) Bakirkoy Training and Research Hospital for Psychiatry Neurology and Neurosurgery, Istanbul, case-control and prospective study design were used...
January 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28525555/a-randomized-placebo-controlled-study-of-high-dose-baclofen-in-alcohol-dependent-patients-the-alpadir-study
#12
Michel Reynaud, Henri-Jean Aubin, Francoise Trinquet, Benjamin Zakine, Corinne Dano, Maurice Dematteis, Benoit Trojak, Francois Paille, Michel Detilleux
Aims: Alcohol dependence is a major public health issue with a need for new pharmacological treatments. The ALPADIR study assessed the efficacy and safety of baclofen at the target dose of 180 mg/day for the maintenance of abstinence and the reduction in alcohol consumption in alcohol-dependent patients. Methods: Three hundred and twenty adult patients (158 baclofen and 162 placebo) were randomized after alcohol detoxification. After a 7-week titration, the maintenance dose was provided for 17 weeks, then progressively decreased over 2 weeks before stopping...
July 1, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28499448/comparison-of-demographic-characteristics-and-psychiatric-comorbidity-among-methamphetamine-heroin-and-methamphetamine-heroin-co-dependent-males-in-hunan-china
#13
Huixi Dong, Mei Yang, Liang Liu, Chenxi Zhang, Mengqi Liu, Yidong Shen, Huanzhong Liu, Wei Hao
BACKGROUND: There is little research of psychiatric comorbidity differences among people with different types of drug dependence in Chinese population. We explored demographic and comorbid psychiatric differences among methamphetamine- dependent males (MDs), heroin-dependent males (HDs) and methamphetamine and heroin co-dependent males (M/HDs) in Hunan province, China. METHODS: A cross-sectional, structured and clinical interview method was used to examine differences in DSM-IV-TR Axis I Disorders among 346 MDs, 698 HDs and 247 M/HDs from three compulsory rehabilitation centers and two voluntary rehabilitation centers in Hunan...
May 12, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28485899/determinants-of-blood-brain-derived-neurotrophic-factor-blood-levels-in-patients-with-alcohol-use-disorder
#14
Philippe Nubukpo, Nicolas Ramoz, Murielle Girard, Dominique Malauzat, Philip Gorwood
BACKGROUND: Blood brain-derived neurotrophic factor (BDNF) levels are influenced by both addiction and mood disorders, as well as somatic conditions, gender, and genetic polymorphisms, leading to widely varying results. Depressive symptoms and episodes are frequently observed in patients with alcohol use disorder, and vary widely over time, making it a challenge to determine which aspects are specifically involved in variations of serum BDNF levels in this population. METHODS: We assessed 227 patients with alcohol dependence involved in a detoxification program, at baseline and after a follow-up of 6 months, for the Alcohol Use Disorders Identification Test score, the length of alcohol dependence, and the number of past detoxification programs...
May 9, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28467181/pre-clinical-and-clinical-investigations-of-metabolic-zonation-in-liver-diseases-the-potential-of-microphysiology-systems
#15
Alejandro Soto-Gutierrez, Albert Gough, Lawrence A Vernetti, D L Taylor, Satdarshan P Monga
The establishment of metabolic zonation within a hepatic lobule ascribes specific functions to hepatocytes based on unique, location-dependent gene expression patterns. Recently, there have been significant developments in the field of metabolic liver zonation. A little over a decade ago, the role of β-catenin signaling was identified as a key regulator of gene expression and function in pericentral hepatocytes. Since then, additional molecules have been identified that regulate the pattern of Wnt/β-catenin signaling within a lobule and determine gene expression and function in other hepatic zones...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28447103/comparison-of-clinical-outcomes-following-head-and-neck-surgery-among-patients-who-contract-to-abstain-from-alcohol-vs-patients-who-abuse-alcohol
#16
Azeem S Kaka, Songzhu Zhao, Enver Ozer, Amit Agrawal, Stephen Kang, James Rocco, Ricardo Carrau, Theodoros Teknos, John D Clapp, Harrison Weed, Matthew O Old
Importance: Alcohol abuse is highly prevalent in the population of patients with head and neck cancer, and active abuse at the time of surgery results in poor postoperative outcomes. Objective: To determine the association of alcohol abstinence with postoperative outcome in alcohol misusers undergoing major surgical procedures of the head and neck. Design, Setting, and Participants: As a case-control study, from July 2013 to August 2015, outcomes were collected in patients at an academic tertiary referral center requiring free flap reconstruction who had undergone an abstinence contract (n = 15) and compared with those who were abusers of alcohol prior to the inception of the protocol (n = 30)...
April 26, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28441648/the-epigenetic-regulation-of-gata4-dependent-brain-natriuretic-peptide-expression-during-alcohol-withdrawal
#17
Alexander Glahn, Mathias Rhein, Annemarie Heberlein, Marc Muschler, Johannes Kornhuber, Helge Frieling, Stefan Bleich, Thomas Hillemacher
OBJECTIVE: Natriuretic peptides participate in the collection of metabolic effects during alcohol withdrawal. Having witnessed modulation of other natriuretic peptides in alcohol-dependent patients during alcohol withdrawal, we were interested in the relation of brain natriuretic peptide (BNP) methylation with protein expression and craving in this longitudinal study. METHODS: Ninety-nine male patients were compared to 101 healthy controls concerning epigenetic regulation and protein expression during detoxification treatment...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28431562/effects-of-the-common-polymorphism-in-the-human-aldehyde-dehydrogenase-2-aldh2-gene-on-the-lung
#18
Aoi Kuroda, Ahmed E Hegab, Gao Jingtao, Shuji Yamashita, Nobuyuki Hizawa, Tohru Sakamoto, Hideyasu Yamada, Satoshi Suzuki, Makoto Ishii, Ho Namkoong, Takanori Asakura, Mari Ozaki, Hiroyuki Yasuda, Junko Hamamoto, Shizuko Kagawa, Kenzo Soejima, Tomoko Betsuyaku
BACKGROUND: Aldehyde dehydrogenases (ALDHs) play a major role in detoxification of aldehydes. High expression of ALDHs is a marker for stem cells of many organs including the lungs. A common polymorphism in ALDH2 gene (ALDH2*2) results in inactivation of the enzyme and is associated with alcohol flushing syndrome and increased risk for cardiovascular and Alzheimer's diseases and some cancers. The effect of this ALDH2 polymorphism on the lung and its stem cells has not been thoroughly examined...
April 21, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28430929/promoter-polymorphism-rs886205-genotype-interacts-with-dna-methylation-of-the-aldh2-regulatory-region-in-alcohol-dependence
#19
Hansi Pathak, Helge Frieling, Stefan Bleich, Alexander Glahn, Annemarie Heberlein, Mani Haschemi Nassab, Thomas Hillemacher, Alexandra Burkert, Mathias Rhein
Aims: Aldehyde dehydrogenase 2 (ALDH2) protects cells from ethanol toxicity by metabolizing acetaldehyde. We studied the single nucleotide polymorphism (SNP) rs886205s located between a negative and a positive regulating promoter element in the ALDH2 gene. The negative regulatory region was already associated with differential DNA methylation in the two allele variations of rs886205 SNP. Another CpG island, in the positive regulatory region of the ALDH2 promoter, extends through the SNP rs886205 and a nuclear receptor response element...
May 1, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28421616/the-validity-of-the-montgomery-asberg-depression-rating-scale-in-an-inpatient-sample-with-alcohol-dependence
#20
Breanne Hobden, Melanie L Schwandt, Mariko Carey, Mary R Lee, Mehdi Farokhnia, Sofia Bouhlal, Christopher Oldmeadow, Lorenzo Leggio
BACKGROUND: The Montgomery-Asberg Depression Rating Scale (MADRS) is commonly used to examine depressive symptoms in clinical settings, including facilities treating patients for alcohol addiction. No studies have examined the validity of the MADRS compared to an established clinical diagnostic tool of depression in this population. This study aimed to examine the following: (i) the validity of the MADRS compared to a clinical diagnosis of a depressive disorder (using the Structured Clinical Interview for DSM-IV-TR [SCID-IV-TR]) in patients seeking treatment for alcohol dependence (AD); (ii) whether the validity of the MADRS differs by type of SCID-IV-TR-based diagnosis of depression; and (iii) which items contribute to the optimal predictive model of the MADRS compared to a SCID-IV-TR diagnosis of a depressive disorder...
April 19, 2017: Alcoholism, Clinical and Experimental Research
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