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https://www.readbyqxmd.com/read/28110353/a-role-for-sigma-receptors-in-stimulant-self-administration-and-addiction
#1
Jonathan L Katz, Takato Hiranita, Weimin C Hong, Martin O Job, Christopher R McCurdy
Sigma receptors (σRs) are structurally unique proteins that function intracellularly as chaperones. Historically, σRs have been implicated as modulators of psychomotor stimulant effects and have at times been proposed as potential avenues for modifying stimulant abuse. However, the influence of ligands for σRs on the effects of stimulants, such as cocaine or methamphetamine, in various preclinical procedures related to drug abuse has been varied. The present paper reviews the effects of σR agonists and antagonists in three particularly relevant procedures: stimulant discrimination, place conditioning, and self-administration...
January 22, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28110205/a-systematic-review-of-randomized-controlled-trials-of-interventions-designed-to-decrease-child-abuse-in-high-risk-families
#2
Elizabeth J Levey, Bizu Gelaye, Paul Bain, Marta B Rondon, Christina P C Borba, David C Henderson, Michelle A Williams
Child abuse is a global problem, and parents with histories of childhood abuse are at increased risk of abusing their offspring. The objective of this systematic review is to provide a clear overview of the existing literature of randomized controlled trials evaluating the effectiveness of interventions to prevent child abuse. PubMed, PsychINFO, Web of Science, Sociological Abstracts, and CINAHL were systematically searched and expanded by hand search. This review includes all randomized controlled trials (RCTs) of interventions designed to prevent abuse among mothers identified as high-risk...
January 19, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28110168/ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-uhplc-ms-ms-for-determination-of-ghb-precursors-and-metabolites-in-different-specimens-application-to-clinical-and-forensic-cases
#3
Francesco Paolo Busardò, Chrystalla Kyriakou, Emilia Marchei, Roberta Pacifici, Daniel Sejer Pedersen, Simona Pichini
Gamma-hydroxybutyric acid (GHB) acts as a precursor and metabolite of the inhibitory central nervous system (CNS) neurotransmitter gamma-aminobutyric acid (GABA). Sodium salt of GHB has been used as a medication for narcolepsy and alcohol withdrawal. Moreover, GHB and its precursor gamma-butyrolactone (GBL), are illegal recreational drugs of abuse. A procedure based on ultra-high-performance liquid chromatography tandem mass spectrometry has been developed and validated in plasma, urine, cerebrospinal fluid and hair for acute and chronic exposure to GHB and in seized preparations coming from black market...
January 9, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28110110/trauma-appraisals-emotion-regulation-difficulties-and-self-compassion-predict-posttraumatic-stress-symptoms-following-childhood-abuse
#4
M Rose Barlow, Rachel E Goldsmith Turow, James Gerhart
Experiencing traumatic events and abuse is unfortunately common in general, non-clinical samples. Recent research indicates that the ways in which individuals interpret traumatic experiences, as well as the ways that they manage challenging emotions in general, may statistically predict post-traumatic stress disorder (PTSD) symptoms to a greater extent than does trauma itself. Negative trauma appraisals, generalized emotion regulation (ER) difficulties, and low levels of self-compassion have each been shown to influence the connection between trauma exposure and subsequent PTSD symptoms...
January 18, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28110108/boys-are-not-exempt-sexual-exploitation-of-adolescents-in-sub-saharan-africa
#5
Jones K Adjei, Elizabeth M Saewyc
Research on youth sexual exploitation in Africa has largely neglected the experiences of exploited boys. To date, much of the research in sub-Saharan Africa continues to consider boys mainly as exploiters but not as exploited. Using the only publicly available population-based surveys from the National Survey of Adolescents, conducted in four sub-Saharan African countries - Burkina Faso, Ghana, Malawi, and Uganda-we assessed factors associated with transactional sexual behaviour among never-married adolescent boys and girls...
January 18, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28109727/socioeconomic-disparities-in-adolescent-substance-use-role-of-enjoyable-alternative-substance-free-activities
#6
Nafeesa Andrabi, Rubin Khoddam, Adam M Leventhal
OBJECTIVE: To examine whether reduced substance-free enjoyable activity (i.e., 'alternative reinforcers') is a mediating mechanism linking lower socioeconomic status and adolescent substance use risk. METHOD: High school students in Los Angeles, CA (N = 2,553, 2013-2014, M age baseline = 14.1) were administered three semiannual surveys. Socioeconomic status was measured by highest parental education reported at Wave 1 (the beginning of 9th grade). Three elements of alternative reinforcement at Wave 2 (six-month follow-up) were assessed as mediators: ratings of frequency of engagement, level of enjoyment, and frequency × enjoyment product scores of substance-free typically pleasant activities (like participation in sports teams or school clubs)...
January 12, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28109691/erectile-dysfunction-in-male-adults-with-atopic-dermatitis-and-psoriasis
#7
Alexander Egeberg, Peter R Hansen, Gunnar H Gislason, Lone Skov, Jacob P Thyssen
INTRODUCTION: Patients with psoriasis have increased risk of cardiovascular disease, but data on atopic dermatitis (AD) are less clear-cut. However, it is well-established that erectile dysfunction (ED) can serve as a risk marker for coronary disease. AIM: To investigate the incidence, prevalence, and risk of ED in men with psoriasis and AD. METHODS: The sample included all Danish men at least 30 years old. In patients with AD and psoriasis, we determined disease severity based on use of systemic therapy...
January 18, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28109625/toxicological-findings-in-driver-and-motorcyclist-fatalities-in-scotland-2012-2015
#8
Hilary J Hamnett, Martha Ilett, Fauzia Izzati, Shannah S Smith, Kirsty H Watson
Fatal motor vehicle crashes (MVCs) continue to be a common occurrence worldwide. This paper presents a retrospective analysis of the toxicological investigation of drivers and motorcyclists fatally injured in MVCs in Scotland from 2012 to 2015. One hundred and eighteen cases with full toxicological analysis, i.e., alcohol, drugs of abuse and prescription drugs, were examined. Of those 118 MVC cases, 74 (63%) were car drivers, 32 (27%) were motorcyclists and the remaining were drivers of other vehicles such as large goods vehicles...
January 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28109449/the-role-of-sleep-on-the-pathway-to-substance-abuse-in-teens
#9
EDITORIAL
Deirdre A Conroy
No abstract text is available yet for this article.
February 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28109342/developmental-lead-exposure-induces-opposite-effects-on-ethanol-intake-and-locomotion-in-response-to-central-vs-systemic-cyanamide-administration
#10
Mara Soledad Mattalloni, Romina Deza-Ponzio, Paula Alejandra Albrecht, Liliana Marina Cancela, Miriam Beatriz Virgolini
Lead (Pb) is a developmental neurotoxicant that elicits differential responses to drugs of abuse. Particularly, ethanol consumption has been demonstrated to be increased as a consequence of environmental Pb exposure, with catalase (CAT) and brain acetaldehyde (ACD, the first metabolite of ethanol) playing a role. The present study sought to interfere with ethanol metabolism by inhibiting ALDH2 (mitochondrial aldehyde dehydrogenase) activity in both liver and brain from control and Pb-exposed rats as a strategy to accumulate ACD, a substance that plays a major role in the drug's reinforcing and/or aversive effects...
February 2017: Alcohol
https://www.readbyqxmd.com/read/28108706/film-shows-how-professionals-can-help-spot-signs-of-domestic-abuse
#11
(no author information available yet)
No abstract text is available yet for this article.
January 21, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28108253/dcc-haploinsufficiency-regulates-dopamine-receptor-expression-across-postnatal-lifespan
#12
Matthew Pokinko, Alanna Grant, Florence Shahabi, Yvan Dumont, Colleen Manitt, Cecilia Flores
Adolescence is a period during which the medial prefrontal cortex (mPFC) undergoes significant remodeling. The netrin-1 receptor, DCC, controls the extent and organization of mPFC dopamine connectivity during adolescence and in turn directs mPFC functional and structural maturation. Dcc haploinsufficiency leads to increased mPFC dopamine input, which causes improved cognitive processing and resilience to behavioral effects of stimulant drugs of abuse. Here we examine the effects of Dcc haploinsufficiency on the dynamic expression of dopamine receptors in forebrain targets of C57BL6 mice...
January 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28108189/the-longitudinal-impact-of-an-internet-safety-decision-aid-for-abused-women
#13
Nancy E Glass, Nancy A Perrin, Ginger C Hanson, Tina L Bloom, Jill T Messing, Amber S Clough, Jacquelyn C Campbell, Andrea C Gielen, James Case, Karen B Eden
INTRODUCTION: Women experiencing intimate partner violence (IPV) navigate complex, dangerous decisions. Tailored safety information and safety planning, typically provided by domestic violence service providers, can prevent repeat IPV exposure and associated adverse health outcomes; however, few abused women access these services. The Internet represents a potentially innovative way to connect abused women with tailored safety planning resources and information. The purpose of this study was to compare safety and mental health outcomes at baseline, 6 months, and 12 months among abused women randomized to: (1) a tailored, Internet-based safety decision aid; or (2) control website (typical safety information available online)...
January 17, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28108082/analysis-of-drugs-of-abuse-in-human-plasma-using-microextraction-by-packed-sorbents-and-ultra-high-performance-liquid-chromatography
#14
P Fernández, M González, M Regenjo, A M Ares, A M Fernández, R A Lorenzo, A M Carro
A miniaturized and simple method based on digitally programmed microextraction by packed sorbent (eVol(®)-MEPS) coupled to ultra-performance liquid chromatography (UPLC) has been developed for quantitative determination of three synthetic cathinones and seven conventional drugs of abuse and metabolites. The influence of several extraction parameters, such as washing and elution solvents were tested. In addition important variables affecting MEPS performance, namely sample volume, sorbent drying time, washing solvent volume, elution volume, number of extraction cycles, sorbent phase and pH, were evaluated using an asymmetrical screening design...
January 16, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28107794/a-study-on-the-gc-ms-analysis-of-bioactive-components-and-pancreato-protective-effect-of-methanolic-extract-of-brassica-oleracea-l-var-botrytis
#15
Sadanandan Rajapriya, Arumugam Geetha, Kavasseri Ganesan Kripa
The ever-increasing problem of pancreatitis due to alcohol abuse demands evaluation of novel drugs of plant origin. This study explores the therapeutic effects of the methanolic extract of Brassica oleraceae (MEBO) on ethanol and cerulein induced pancreatitis in rats. The MEBO was subjected to GC-MS and HPLC analysis. Male albino Wistar rats were divided into various groups, fed with alcohol (36% of total calories for 5 weeks) and cerulein (20 μg/kg b.wt i.p, weekly thrice for last three weeks) with or without MEBO (40 mg/kg b...
January 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28107783/lorcaserin-suppresses-oxycodone-self-administration-and-relapse-vulnerability-in-rats
#16
Harshini Neelakantan, Erica D Holliday, Robert G Fox, Sonja J Stutz, Sandra D Comer, Margaret Haney, Noelle C Anastasio, Frederick Gerard Moeller, Kathryn A Cunningham
Opioid use disorder (OUD) is a major public health problem. High relapse rates and poor treatment retention continue to pose major challenges in OUD treatment. Of the abused opioids, oxycodone is well described to maintain self-administration and evoke the durable conditioned responses ("cue reactivity") that result from pairing of opioid-related stimuli (e.g., paraphernalia) with repeated abuse. Serotonin (5-HT) neurotransmission, particularly through the 5-HT2C receptor (5-HT2CR), regulates psychostimulant reward and cue reactivity, and in the present experiments, we investigated the hypothesis that the selective 5-HT2CR agonist lorcaserin, which is FDA-approved for the treatment of obesity, will suppress oxycodone self-administration and oxycodone-associated cue reactivity in rats...
January 20, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28107693/attrition-among-iranian-nursing-students-a-qualitative-study
#17
Mansoureh Ashghali Farahani, Fatemeh Ghaffari, Fatemeh Oskouie, Mansoureh Zagheri Tafreshi
Attrition is a major challenge facing nursing students that results in substantial costs on the education, health, and treatment systems across countries and can have an unwanted effect on the quality and quantity of health services provided as well as on the health of citizens. This descriptive study investigated nursing students' perceptions toward factors influencing attrition. We conducted a qualitative study using a content analysis approach. Nineteen students enrolled in nursing bachelor program were recruited using purposive and snowball sampling...
January 6, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#18
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107388/factors-moderating-the-relationship-between-childhood-trauma-and-premorbid-adjustment-in-first-episode-schizophrenia
#19
S Kilian, J K Burns, S Seedat, L Asmal, B Chiliza, S Du Plessis, M R Olivier, M Kidd, R Emsley
Childhood trauma is a recognised risk factor for schizophrenia. It has been proposed that childhood trauma interferes with normal neurodevelopment, thereby establishing a biological vulnerability to schizophrenia. Poor premorbid adjustment is frequently a precursor to schizophrenia, and may be a manifestation of neurodevelopmental compromise. We investigated the relationship between childhood trauma and premorbid adjustment in 77 patients with first-episode schizophrenia spectrum disorders. We also investigated possible mediating roles for other selected risk factors in the relationship...
2017: PloS One
https://www.readbyqxmd.com/read/28107371/sexual-reproductive-health-needs-and-rights-of-young-people-in-slum-areas-of-kampala-uganda-a-cross-sectional-study
#20
Andre M N Renzaho, Joseph K Kamara, Nichole Georgeou, Gilbert Kamanga
BACKGROUND: Young people in Uganda face various sexual and reproductive health risks, especially those living in urban slums. The aim of this study was to examine factors associated with comprehensive categories of sexual and reproductive health, including sexual behaviours; sexual education and access to contraceptive services; family planning; prevention of STDs; sexual consent as a right; gender based violence; as well as HIV testing, counselling, disclosure and support. METHODS: The study was cross-sectional in design and was carried out in July 2014 in Makindye and Nakawa Divisions of Kampala City, Uganda...
2017: PloS One
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