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Therapeutic Recreation

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https://www.readbyqxmd.com/read/28735368/mdma-induced-indifference-to-negative-sounds-is-mediated-by-the-5-ht2a-receptor
#1
K P C Kuypers, R de la Torre, Farre, N Pizarro, L Xicota, J G Ramaekers
BACKGROUND: MDMA has been shown to induce feelings of sociability, a positive emotional bias and enhanced empathy. While previous research has used only visual emotional stimuli, communication entails more than that single dimension and it is known that auditory information is also crucial in this process. In addition, it is, however, unclear what the neurobiological mechanism underlying these MDMA effects on social behaviour is. Previously, studies have shown that MDMA-induced emotional excitability and positive mood are linked to the action on the serotonin (5-HT) 2A receptor...
July 22, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28734204/molecular-dynamics-of-conformation-specific-dopamine-transporter-inhibitor-complexes
#2
Bernandie Jean, Christopher K Surratt, Jeffry D Madura
The recreational psychostimulant cocaine inhibits dopamine reuptake from the synapse, resulting in excessive stimulation of postsynaptic dopamine receptors in brain areas associated with reward and addiction. Cocaine binds to and stabilizes the outward- (extracellular-) facing conformation of the dopamine transporter (DAT) protein, while the low abuse potential DAT inhibitor benztropine prefers the inward- (cytoplasmic-) facing conformation. A correlation has been previously postulated between psychostimulant abuse potential and preference for the outward-facing DAT conformation...
July 11, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28716314/safety-and-efficacy-of-ebselen-for-the-prevention-of-noise-induced-hearing-loss-a-randomised-double-blind-placebo-controlled-phase-2-trial
#3
Jonathan Kil, Edward Lobarinas, Christopher Spankovich, Scott K Griffiths, Patrick J Antonelli, Eric D Lynch, Colleen G Le Prell
BACKGROUND: Noise-induced hearing loss is a leading cause of occupational and recreational injury and disease, and a major determinant of age-related hearing loss. No therapeutic agent has been approved for the prevention or treatment of this disorder. In animal models, glutathione peroxidase 1 (GPx1) activity is reduced after acute noise exposure. Ebselen, a novel GPx1 mimic, has been shown to reduce both temporary and permanent noise-induced hearing loss in preclinical studies. We assessed the safety and efficacy of ebselen for the prevention of noise-induced hearing loss in young adults in a phase 2 clinical trial...
July 14, 2017: Lancet
https://www.readbyqxmd.com/read/28714408/biomaterials-and-supercritical-fluid-technologies-which-perspectives-to-fabricate-artificial-extracellular-matrix
#4
Della Porta Giovanna, E Reverchon, N Maffulli
The foundation of tissue engineering for either therapeutic or diagnostic applications is the ability to exploit living cells. Tissue engineering utilizes living cells as engineering materials implanted, seeded or bio-plotted into an artificial structure capable of supporting three-dimensional tissue formation. These structures, typically called scaffolds, are critical, both ex vivo and in vivo, to influence their own microenvironments. Scaffolds can serve the following purposes: allow cell attachment and migration, deliver and retain cells and biochemical factors, enable diffusion of vital cell nutrients or expressed products, exert certain mechanical and biological influences to modify the behaviour of the cell phase...
July 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28704769/characterizing-marijuana-concentrate-users-a-web-based-survey
#5
Raminta Daniulaityte, Francois R Lamy, Monica Barratt, Ramzi W Nahhas, Silvia S Martins, Edward W Boyer, Amit Sheth, Robert G Carlson
AIMS: The study seeks to characterize marijuana concentrate users, describe reasons and patterns of use, perceived risk, and identify predictors of daily/near daily use. METHODS: An anonymous web-based survey was conducted (April-June 2016) with 673 US-based cannabis users recruited via the Bluelight.org web-forum and included questions about marijuana concentrate use, other drugs, and socio-demographics. Multivariable logistic regression analyses were conducted to identify characteristics associated with greater odds of lifetime and daily use of marijuana concentrates...
June 29, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28686543/a-physician-s-attempt-to-self-medicate-bipolar-depression-with-n-n-dimethyltryptamine-dmt
#6
Tanida Brown, Wanda Shao, Shehzad Ayub, David Chong, Christian Cornelius
N,N-dimethyltryptamine (DMT) is a psychoactive substance that has been gaining popularity in therapeutic and recreational use. This is a case of a physician who chronically took DMT augmented with phenelzine in an attempt to self-medicate refractory bipolar depression. His presentation of altered mental status, mania, and psychosis is examined in regards to his DMT use. This case discusses DMT, the possible uses of DMT, and the theorized mechanism of DMT in psychosis and treatment of depression, particularly involving its agonist activity at 5-HT1A, 5-HT2A, and 5-HT2C...
July 7, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28686088/changing-epidemiology-of-aa-amyloidosis-clinical-observations-over-25-years-at-a-single-national-referral-centre
#7
Thirusha Lane, Jennifer H Pinney, Janet A Gilbertson, David F Hutt, Dorota M Rowczenio, Shameem Mahmood, Sajitha Sachchithanantham, Marianna Fontana, Taryn Youngstein, Candida C Quarta, Ashutosh D Wechalekar, Julian D Gillmore, Philip N Hawkins, Helen J Lachmann
OBJECTIVE: Systemic AA amyloidosis is a serious complication of chronic inflammation; however, there are relatively few published data on its incidence. We investigated the changing epidemiology of AA amyloidosis over a 25-year period at a single national referral centre. METHODS: We conducted a retrospective study of all patients diagnosed with AA amyloidosis who had attended the centre between 1990 and 2014 inclusive. Six hundred and twenty-five patients were studied in three cohorts: C1: 1990-1997; C2: 1998-2006; C3: 2007-2014...
July 7, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28652086/commentary-navigating-the-complexities-of-marijuana
#8
Susan R B Weiss, Eric M Wargo
Science needs to drive our thinking as we navigate a new legislative environment in which many Americans have access to marijuana for therapeutic or recreational use. With the responsibility to fund, conduct, and make use of the research on marijuana, and understand the impacts of new policies, comes the obligation of not thinking in simplistic, black-and-white terms about this substance. The drug's unique harms include neurodevelopmental impacts that may be long lasting or permanent, yet some evidence suggests the drug may benefit people with certain medical conditions (e...
June 23, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28636769/is-cannabis-treatment-for-anxiety-mood-and-related-disorders-ready-for-prime-time
#9
REVIEW
Jasmine Turna, Beth Patterson, Michael Van Ameringen
Anxiety and related disorders are the most common mental conditions affecting the North American population. Despite their established efficacy, first-line antidepressant treatments are associated with significant side effects, leading many afflicted individuals to seek alternative treatments. Cannabis is commonly viewed as a natural alternative for a variety of medical and mental health conditions. Currently, anxiety ranks among the top five medical symptoms for which North Americans report using medical marijuana...
June 21, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28633777/shall-we-inject-superficial-or-deep-to-the-plantar-fascia-an-ultrasound-study-of-the-treatment-of-chronic-plantar-fasciitis
#10
Eda Gurcay, Murat Kara, Ozgur Zeliha Karaahmet, Ayşe Merve Ata, Şule Şahin Onat, Levent Özçakar
We compared the effectiveness of ultrasound (US)-guided corticosteroid, injected superficial or deep to the fascia, in patients with plantar fasciitis. Thirty patients (24 females [75%] and 6 males [25%]) with unilateral chronic plantar fasciitis were divided into 2 groups according to the corticosteroid injection site: superficial (n = 15) or deep (n = 15) to the plantar fascia. Patient heel pain was measured using a Likert pain scale and the Foot Ankle Outcome Scale (FAOS) for foot disability, evaluated at baseline and repeated in the first and sixth weeks...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28607542/interactions-of-cannabinoids-with-biochemical-substrates
#11
REVIEW
Brian F Thomas
Recent decades have seen much progress in the identification and characterization of cannabinoid receptors and the elucidation of the mechanisms by which derivatives of the Cannabis sativa plant bind to receptors and produce their physiological and psychological effects. The information generated in this process has enabled better understanding of the fundamental physiological and psychological processes controlled by the central and peripheral nervous systems and has fostered the development of natural and synthetic cannabinoids as therapeutic agents...
2017: Substance Abuse: Research and Treatment
https://www.readbyqxmd.com/read/28599208/occurrence-of-pharmaceutical-recreational-and-psychotropic-drug-residues-in-surface-water-on-the-northern-antarctic-peninsula-region
#12
Silvia González-Alonso, Luis Moreno Merino, Sara Esteban, Miren López de Alda, Damià Barceló, Juan José Durán, Jerónimo López-Martínez, Jaume Aceña, Sandra Pérez, Nicola Mastroianni, Adrián Silva, Myriam Catalá, Yolanda Valcárcel
Human presence in the Antarctic is increasing due to research activities and the rise in tourism. These activities contribute a number of potentially hazardous substances. The aim of this study is to conduct the first characterisation of the pharmaceuticals and recreational drugs present in the northern Antarctic Peninsula region, and to assess the potential environmental risk they pose to the environment. The study consisted of a single sampling of ten water samples from different sources, including streams, ponds, glacier drains, and a wastewater discharge into the sea...
June 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28599081/mechanisms-of-exercise-induced-bronchoconstriction-in-athletes-current-perspectives-and-future-challenges
#13
REVIEW
M Couto, M Kurowski, A Moreira, D M A Bullens, K-H Carlsen, L Delgado, M L Kowalski, S F Seys
The evidence of exercise-induced bronchoconstriction (EIB) without asthma (EIBwA ) occurring in athletes led to speculate about different endotypes inducing respiratory symptoms within athletes. Classical postulated mechanisms for bronchial obstruction in this population include the osmotic and the thermal hypotheses. More recently, the presence of epithelial injury and inflammation in the airways of athletes was demonstrated. In addition, neuronal activation has been suggested as a potential modulator of bronchoconstriction...
June 9, 2017: Allergy
https://www.readbyqxmd.com/read/28583339/off-label-use-of-phosphodiesterase-type-5-inhibitor-erectile-dysfunction-medication-to-enhance-sex-among-gay-and-bisexual-men-in-australia-results-from-the-flux-study
#14
Mohamed A Hammoud, Fengyi Jin, Toby Lea, Lisa Maher, Jeffrey Grierson, Garrett Prestage
BACKGROUND: Gay and bisexual men (GBM) use oral erectile dysfunction medications (EDMs) often with little evidence of medical indication necessitating their use. AIM: To investigate the prevalence, contexts, and motivations for oral EDM use and its relation to sexual risk behavior. METHODS: A total of 2,250 Australian GBM completed an online survey of licit and illicit drug use and their associated behaviors. Multivariate logistic regression analysis identified factors associated with use of EDMs in the previous 6 months and, for those who had used EDMs, factors associated with use on a weekly basis...
June 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28558467/alginate-microcapsules-incorporating-hyaluronic-acid-recreate-closer-in-vivo-environment-for-mesenchymal-stem-cells
#15
Alberto Cañibano-Hernández, Laura Saenz Del Burgo, Albert Espona-Noguera, Gorka Orive, Rosa M Hernández, Jesús Ciriza, Jose Luis Pedraz
The potential clinical application of alginate cell microencapsulation has advanced enormously during the past decade. However, the 3D environment created by alginate beads does not mimic the natural extracellular matrix surrounding cells in vivo, responsible of cell survival and functionality. As one of the most frequent macromolecules present in the extracellular matrix is hyaluronic acid, we have formed hybrid beads with alginate and hyaluronic acid recreating a closer in vivo cell environment. Our results show that 1% alginate-0...
June 6, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28540034/ayahuasca-dimethyltryptamine-and-psychosis-a-systematic-review-of-human-studies
#16
REVIEW
Rafael G Dos Santos, José Carlos Bouso, Jaime E C Hallak
Ayahuasca is a hallucinogen brew traditionally used for ritual and therapeutic purposes in Northwestern Amazon. It is rich in the tryptamine hallucinogens dimethyltryptamine (DMT), which acts as a serotonin 5-HT2A agonist. This mechanism of action is similar to other compounds such as lysergic acid diethylamide (LSD) and psilocybin. The controlled use of LSD and psilocybin in experimental settings is associated with a low incidence of psychotic episodes, and population studies corroborate these findings. Both the controlled use of DMT in experimental settings and the use of ayahuasca in experimental and ritual settings are not usually associated with psychotic episodes, but little is known regarding ayahuasca or DMT use outside these controlled contexts...
April 2017: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/28538551/principles-of-breast-re-reduction-a-reappraisal
#17
Raakhi M Mistry, Susan E MacLennan, Elizabeth J Hall-Findlay
BACKGROUND: This article examines outcomes following breast re-reduction surgery using a random pattern blood supply to the nipple and vertical scar reduction. METHODS: A retrospective review was conducted of patients who underwent bilateral breast re-reduction surgery performed by a single surgeon over a 12-year period. Patient demographics, surgical technique, and outcomes were analyzed. RESULTS: Ninety patients underwent breast re-reduction surgery...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28533043/-dementia-and-non-pharmacological-therapy-the-effectiveness-of-play
#18
Cédric Gueyraud, Marie Anaut, Stéphane Sanchez, Philippe Denormandie, Anthony Bathsavanis, Pierre Krolak-Salmon
A study was carried out to look into the effectiveness of play and the ways it can be used in the treatment of Alzheimer's disease. An intervention founded on the principal of a recreational setting, taking into account the choice of objects, the layout of the space and the role of the professional, could present itself as a form of therapeutic mediation adapted to this pathology. This study shows that play helps to reduce the behavioural problems of residents with Alzheimer's disease, and boosted their wellbeing and quality of life...
May 2017: Soins. Gérontologie
https://www.readbyqxmd.com/read/28507726/adapting-tissue-engineered-in-vitro-cns-models-for-high-throughput-study-of-neurodegeneration
#19
Caitriona O'Rourke, Charlotte Lee-Reeves, Rosemary Al Drake, Grant Ww Cameron, A Jane Loughlin, James B Phillips
Neurodegenerative conditions remain difficult to treat, with the continuing failure to see therapeutic research successfully advance to clinical trials. One of the obstacles that must be overcome is to develop enhanced models of disease. Tissue engineering techniques enable us to create organised artificial central nervous system tissue that has the potential to improve the drug development process. This study presents a replicable model of neurodegenerative pathology through the use of engineered neural tissue co-cultures that can incorporate cells from various sources and allow degeneration and protection of neurons to be observed easily and measured, following exposure to neurotoxic compounds - okadaic acid and 1-methyl-4-phenylpyridinium...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28477247/why-psychiatry-needs-3-4-methylenedioxymethamphetamine-a-child-psychiatrist-s-perspective
#20
REVIEW
Ben Sessa
Since the late 1980s the psychoactive drug 3,4-methylenedioxymethamphetamine (MDMA) has had a well-known history as the recreationally used drug ecstasy. What is less well known by the public is that MDMA started its life as a therapeutic agent and that in recent years an increasing amount of clinical research has been undertaken to revisit the drug's medical potential. MDMA has unique pharmacological properties that translate well to its proposed agent to assist trauma-focused psychotherapy. Psychological trauma-especially that which arises early in life from child abuse-underpins many chronic adult mental disorders, including addictions...
July 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
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