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https://www.readbyqxmd.com/read/28346743/fabrication-of-a-mechanically-anisotropic-poly-glycerol-sebacate-membrane-for-tissue-engineering
#1
Chi-Nung Hsu, Pei-Yuan Lee, Ho-Yi Tuan-Mu, Chen-Yu Li, Jin-Jia Hu
Poly(glycerol sebacate) (PGS) has been used successfully as a scaffolding material for soft tissue engineering. PGS scaffolds, however, are usually mechanically isotropic, which may restrict their use in tissue repairs as many soft tissues in the body have anisotropic mechanical behaviors. Although various methods have been used to fabricate anisotropic scaffolds, it remains challenging to make anisotropic scaffolds from thermoset PGS. Here a new, simple method to fabricate an anisotropic PGS membrane which can then be used to construct thicker three-dimensional anisotropic scaffolds was developed...
March 27, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28346242/genetic-variation-in-gabr%C3%AE-1-and-the-risk-for-developing-alcohol-dependence
#2
William A McCabe, Michael J Way, Kush Ruparelia, Susanne Knapp, M Adam Ali, Quentin M Anstee, Howard C Thomas, Andrew McQuillin, Marsha Y Morgan
Associations between the γ-aminobutyric acid type-A receptors (GABAA) and alcohol dependence risk have been reported, although the receptor subunit driving the association is unclear. Recent work in mice has highlighted a possible role for variants in the Gabr β1 subunit (Gabrβ1) in alcohol dependence risk, although this gene does not contain any common nonsynonymous variants in humans. However, the GABAA receptor is a heteropentamer so multiple potential variants within the gene complex could generate the alcohol dependence phenotype...
March 24, 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28346058/promising-pharmacogenetic-targets-for-treating-alcohol-use-disorder-evidence-from-preclinical-models
#3
Jennifer A Rinker, Patrick J Mulholland
Inherited genetic variants contribute to risk factors for developing an alcohol use disorder, and polymorphisms may inform precision medicine strategies for treating alcohol addiction. Targeting genetic mutations linked to alcohol phenotypes has provided promising initial evidence for reducing relapse rates in alcoholics. Although successful in some studies, there are conflicting findings and the reports of adverse effects may ultimately limit their clinical utility, suggesting that novel pharmacogenetic targets are necessary to advance precision medicine approaches...
March 27, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28346056/alcohol-and-drug-use-and-aberrant-drug-related-behavior-among-patients-on-chronic-opioid-therapy
#4
Cynthia I Campbell, Andrea H Kline-Simon, Michael Von Korff, Kathleen W Saunders, Constance Weisner
OBJECTIVE: To better identify individuals on chronic opioid therapy (COT) at high risk for aberrant-drug related behavior (ADRB). We examine whether patients with low level alcohol and drug use have similar characteristics to those with alcohol and drug disorders. We then examined the relationship of alcohol and drug use to ADRBs among COT patients. METHODS: The sample was 972 randomly selected COT patients (age 21-80 years old) from a large health system in Northern California, USA, and interviewed in 2009...
March 27, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28345440/the-economic-burden-of-opioid-abuse-updated-findings
#5
Noam Y Kirson, Lauren M Scarpati, Caroline J Enloe, Aliya P Dincer, Howard G Birnbaum, Tracy J Mayne
BACKGROUND: Opioid pain relievers can be highly effective in providing relief for patients suffering from pain. At the same time, prescription opioid abuse, dependence, overdose, and poisoning (hereinafter "abuse") have become a national public health concern. Opioid abuse is also costly: previous estimates of the annual excess costs of opioid abuse to payers range from approximately $10,000 to $20,000 per patient. OBJECTIVES: To (a) provide a comprehensive, current estimate of the economic burden of opioid abuse to commercial payers and (b) explore the drivers of these excess costs of abuse...
April 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28344494/prophylactic-and-curative-anti-ulcerogenic-activity-and-the-possible-mechanisms-of-action-of-some-desert-plants
#6
Reham M El-Meligy, Amani S Awaad, Gamal A Soliman, Sanaa A Kenawy, Saleh I Alqasoumi
The present study aimed to evaluate the anti-ulcerogenic activities and the possible mechanisms of action of seven desert plants from different families. Conyza dioscoridis (L.) Desf. (Asteraceae), Euphorbia hirta L. (Euphorpiaceae), Origanum syriacum L., Salvia lanigera L. (Lamiaceae), Sisymbrium irio L., Solanum nigrum Linn. (Solanaceae) and Solenostemma arghel (Del.) Hayne. (Asclepiadaceae), were tested using prophylactic and curative models of absolute ethanol-induced ulcer, at three doses (125, 250 & 500 mg/kg) of each extract...
March 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28344322/astragaloside-iv-attenuates-free-fatty-acid-induced-er-stress-and-lipid-accumulation-in-hepatocytes-via-ampk-activation
#7
Bing Zhou, Dan-Li Zhou, Xiao-Hong Wei, Rong-Yu Zhong, Jie Xu, Liao Sun
Although the pathogenesis of non-alcoholic fatty liver disease (NAFLD) is not completely understood, the increased influx of free fatty acids (FFAs) into the liver and the FFA-induced hepatic endoplasmic reticulum (ER) stress are two crucial pathogenic processes in the initiation and development of NAFLD. In this study we investigated the effects of astragaloside IV (AS-IV), a bioactive compound purified from Astragali Radix, on FFA-induced lipid accumulation in hepatocytes and elucidated the underlying mechanisms...
March 27, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28343423/management-of-precipitated-opiate-withdrawal-syndrome-induced-by-nalmefene-mistakenly-prescribed-in-opiate-dependent-patients-a-review-for-clinicians
#8
Nicolas Franchitto, Benedicte Jullian, Juliette Salles, Fanny Pelissier, Benjamin Rolland
Nalmefene, a long-acting µ-opioid antagonist approved to treat alcohol use disorder, is occasionally mistakenly prescribed to opiate-dependent or opioid-treated patients. We review recent literature on drug-drug interactions between nalmefene and opioids that lead to precipitated opioid withdrawal, and focus on its management and planning for care at discharge. Areas covered: This article provides a brief and comprehensive review of management of precipitated opioid withdrawal syndrome when nalmefene is associated with an opioid, whether misused or legally prescribed...
March 27, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28343281/using-patterns-of-genetic-association-to-elucidate-shared-genetic-etiologies-across-psychiatric-disorders
#9
Seung Bin Cho, Fazil Aliev, Shaunna L Clark, Amy E Adkins, Howard J Edenberg, Kathleen K Bucholz, Bernice Porjesz, Danielle M Dick
Twin studies indicate that latent genetic factors overlap across comorbid psychiatric disorders. In this study, we used a novel approach to elucidate shared genetic factors across psychiatric outcomes by clustering single nucleotide polymorphisms based on their genome-wide association patterns. We applied latent profile analysis (LPA) to p-values resulting from genome-wide association studies across three phenotypes: symptom counts of alcohol dependence (AD), antisocial personality disorder (ASP), and major depression (MD), using the European-American case-control genome-wide association study subsample of the collaborative study on the genetics of alcoholism (N = 1399)...
March 25, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28342849/comparative-effects-of-etoh-consumption-and-thiamine-deficiency-on-cognitive-impairment-oxidative-damage-and-%C3%AE-amyloid-peptide-overproduction-in-the-brain
#10
Yu-Shi Gong, Kun Hu, Lu-Qi Yang, Juan Guo, Yong-Qing Gao, Feng-Lin Song, Fang-Li Hou, Cui-Yi Liang
The effects of chronic EtOH consumption, associated or not with thiamine deficiency (TD), on cognitive impairment, oxidative damage, and β-amyloid (Aβ) peptide accumulation in the brain were investigated in male C57BL/6 mice. We established an alcoholic mouse model by feeding an EtOH liquid diet, a TD mouse model by feeding a thiamine-depleted liquid diet, and an EtOH treatment associated with TD mouse model by feeding a thiamine-depleted EtOH liquid diet for 7 weeks. The learning and memory functions of the mice were detected through the Y-maze test...
March 22, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28342226/psychopathology-and-personality-traits-associated-with-driving-while-intoxicated-in-beijing-china-implications-for-interventions
#11
Rong-Jiang Zhao, Wei Sun, Li-Li Zhang, Yan-Ping Bao, Liang Huang, Ping Dong, Shuang-Jiang Zhou, Zhi-Qing Wang, Thomas R Kosten, Hong-Qiang Sun
BACKGROUND AND OBJECTIVES: Driving while intoxicated (DWI) represents an area of grave concern in China, yet little research has focused on it or on the personality traits and psychiatric disorders among these drivers. METHODS: We enrolled 325 of 382 residents charged with DWI in a compulsory detention center in Beijing, China. And 351 male drivers who had never had any alcohol arrests as control participants. All were screened for Axis I disorders using the Chinese version of the Structured Clinical Interview for the Diagnostic Statistical Manual of Mental Disorders IV-TR (SCID), the Minnesota Multiphasic Personality Inventory (MMPI-2), and the Sixteen Personality Factor Questionnaire (16PF)...
March 24, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28342089/voluntary-induction-and-maintenance-of-alcohol-dependence-in-rats-using-alcohol-vapor-self-administration
#12
Giordano de Guglielmo, Marsida Kallupi, Maury D Cole, Olivier George
RATIONALE: A major issue in the addiction field is the limited number of animal models of the voluntary induction and maintenance of alcohol dependence in outbred rats. OBJECTIVES: To address this issue, we developed a novel apparatus that vaporizes alcohol for 2-10 min after an active nosepoke response. METHODS: Male Wistar rats were allowed to self-administer alcohol vapor for 8 h/day every other day for 24 sessions (escalated) or eight sessions (non-escalated)...
March 24, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28342004/modulatory-effects-of-terminalia-arjuna-against-domoic-acid-induced-toxicity-in-caco-2-cell-line
#13
E M Ramya, G Phani Kumar, T Anand, K R Anilakumar
Domoic acid is a potent marine algal toxin produced by diatomic genus of Pseudo-nitzschia causing amnesic shell fish poisoning. Domoic acid toxicosis mainly involves excitotoxic effects coupled with oxidative stress. The present study was aimed to evaluate the protective effects of hydro-alcoholic extract of Terminalia arjuna (TA) against domoic acid induced toxic effects in Caco-2 cell line. It was observed that the toxicity induced by domoic acid in Caco-2 cells was mediated by oxidative insult leading to morphological changes, DNA damage and apoptosis...
March 24, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28341597/effect-of-isopropyl-myristate-on-transdermal-permeation-of-testosterone-from-carbopol-gel
#14
Ahmed S Zidan, Nahid Kamal, Alaadin Alayoubi, Mark Seggel, Sarah Ibrahim, Ziyaur Rahman, Celia Cruz, Muhammad Ashraf
The objective of the current study was to investigate the effect of isopropyl myristate (IPM) on the in vitro permeation of Testosterone through human cadaver skin from carbopol- gels. Six Testosterone gel formulations were prepared employing different IPM contents of 0, 0.4, 0.7, 1, 2 and 3%. The gels were characterized for drug permeation, matrix morphology, pH, kinetics of ethanol evaporation and viscosity. Mass balance studies were performed to estimate testosterone distribution among the compartments of diffusion cells...
March 21, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28341227/corrigendum-to-design-and-methods-of-a-double-blind-randomized-placebo-controlled-trial-of-extended-release-naltrexone-for-alcohol-dependent-and-hazardous-drinking-prisoners-with-hiv-who-are-transitioning-to-the-community-contemp-clin-trials-2014-209-218
#15
https://www.readbyqxmd.com/read/28340948/application-of-ultrasound-aided-method-for-the-synthesis-of-cds-incorporated-three-dimensional-tio2-photocatalysts-with-enhanced-performance
#16
Joon Yeob Lee, Wan-Kuen Jo
In this study, an ultrasound-aided hydrothermal-impregnation method was used to synthesize three-dimensional (3D) urchin-like CdS-TiO2 nanostructures (UCTs) with variable CdS content. The photocatalytic efficiencies (for degrading limonene and toluene vapor) of UCTs synthesized using the ultrasound-aided process were greater than those of UCTs fabricated without ultrasound treatment. In addition, the photocatalytic efficiencies of ultrasound-treated UCTs were greater than those of zero-dimensional ultrasound-treated CdS-TiO2 particles, which, in turn, were greater than those of untreated 3D TiO2...
March 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28340418/enantioselective-reductive-transformation-of-climbazole-a-concept-towards-quantitative-biodegradation-assessment-in-anaerobic-biological-treatment-processes
#17
Monica Brienza, Serge Chiron
An efficient chiral method-based using liquid chromatography-high resolution-mass spectrometry analytical method has been validated for the determination of climbazole (CBZ) enantiomers in wastewater and sludge with quantification limits below the 1 ng/L and 2 ng/g range, respectively. On the basis of this newly developed analytical method, the stereochemistry of CBZ was investigated over time in sludge biotic and sterile batch experiments under anoxic dark and light conditions and during wastewater biological treatment by subsurface flow constructed wetlands...
March 21, 2017: Water Research
https://www.readbyqxmd.com/read/28340213/effects-of-alcohol-dependence-severity-on-neural-correlates-of-delay-discounting
#18
Aaron C Lim, Anita Cservenka, Lara A Ray
Aims: The current study examines the relationship between alcohol dependence severity and delay discounting neural activation. Methods: Participants (N = 17; 6 female) completed measures of alcohol use and severity and a functional magnetic resonance imaging version of a delay discounting task. Results: Alcohol dependence severity was negatively associated with activation in superior frontal gyrus during impulsive relative to delayed decisions, and positively associated with activation in paracingulate gyrus and frontal pole in delayed relative to impulsive decisions...
March 18, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28340031/one-year-clinical-correlates-of-etg-positive-urine-screening-in-alcohol-dependent-patients-a-survival-analysis
#19
Pablo Barrio, Silvia Mondon, Lídia Teixidor, Lluisa Ortega, Eduard Vieta, Antoni Gual
Aims: Little evidence exists supporting the efficacy of regular alcohol urine screening (RAUS) in the management of alcohol dependence, despite recent improvements in urine biomarkers. In this study, we aimed at investigating 1 year, differential clinical correlates between a positive and a negative baseline urine ethyl glucuronide (EtG) screening. Methods: Alcohol-dependent outpatients participating in a previous cross-sectional study where EtG and ethanol diagnostic performances were compared in a double blind design were included...
March 10, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28339869/alcohol-induces-cellular-senescence-and-impairs-osteogenic-potential-in-bone-marrow-derived-mesenchymal-stem-cells
#20
Xi Chen, Mao Li, Jinku Yan, Tao Liu, Guoqing Pan, Huilin Yang, Ming Pei, Fan He
Aims: Chronic and excessive alcohol consumption is a high-risk factor for osteoporosis. Bone marrow-derived mesenchymal stem cells (BM-MSCs) play an important role in bone formation; however, they are vulnerable to ethanol (EtOH). The purpose of this research was to investigate whether EtOH could induce premature senescence in BM-MSCs and subsequently impair their osteogenic potential. Methods: Human BM-MSCs were exposed to EtOH ranging from 10 to 250 mM. Senescence-associated β-galactosidase (SA-β-gal) activity, cell cycle distribution, cell proliferation and reactive oxygen species (ROS) were evaluated...
February 25, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
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