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https://www.readbyqxmd.com/read/29467649/tolerance-and-tachyphylaxis-to-head-twitches-induced-by-the-5-ht2a-agonist-25cn-nboh-in-mice
#1
Tobias Buchborn, Taylor Lyons, Thomas Knöpfel
The serotonin (5-HT) 2A receptor is the primary molecular target of serotonergic hallucinogens, which trigger large-scale perturbations of the cortex. Our understanding of how 5-HT2A activation may cause the effects of hallucinogens has been hampered by the receptor unselectivity of most of the drugs of this class. Here we used 25CN-NBOH (N-(2-hydroxybenzyl)-2,5-dimethoxy-4-cyanophenylethylamine), a newly developed selective 5-HT2A agonist, and tested it with regard to the head-twitch-response (HTR) model of 5-HT2A activity and effects on locomotion...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29464720/the-re-emergence-of-hallucinogenic-research
#2
Matthew J Begola, Jonathan S Dowben
Due to the intractability, at times, in the treatment of PTSD, clinicians and researchers continue to explore different options for treatment. This article discusses the renewed interest in hallucinogens for such treatment.
February 20, 2018: Perspectives in Psychiatric Care
https://www.readbyqxmd.com/read/29456355/role-of-yoga-in-management-of-substance-use-disorders-a-narrative-review
#3
REVIEW
Pooja Patnaik Kuppili, Arpit Parmar, Ankit Gupta, Yatan Pal Singh Balhara
Substance use disorders are comparable to chronic medical illnesses and have a chronic relapsing course. Despite being significant contributors to morbidity and mortality, limited treatment options exist. The current narrative review was aimed at providing an overview of yoga therapy in substance-use disorders and discuss the relevant methodological issues. Articles published in English language till May 2017 indexed with PubMed, PubMed central, and Google Scholar were searched using search terms "Yoga," "Substance use," "Drug dependence," "Nicotine," "Tobacco," "Alcohol," "Opioids," "Cannabis," "Cocaine," "Stimulants," "Sedative hypnotics," "Inhalants," and "Hallucinogens" for inclusion in the review...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29453006/illicit-and-prescription-drug-misuse-as-reported-to-the-maine-diversion-alert-program
#4
Brian J Piper, Michael J Suarez, John P Piserchio, Dipam T Shah, Olapeju M Simoyan, Kenneth L McCall, Clare E Desrosiers, Stephanie D Nichols
BACKGROUND: The opioid epidemic is rapidly evolving and new tools are needed to combat drug abuse. The Maine Diversion Alert Program (DAP) is an informational resource that facilitates communication about drug arrests between the criminal justice and healthcare fields. The objectives of this report were to: (1) describe the illegal and prescription pharmaceuticals reported to the DAP; (2) determine if the drugs implicated in arrests changed from the first to latter half of 2016; (3) identify the demographic and other characteristics of arrestees; and (4) outline the strengths and limitations of the DAP for other areas considering implementing similar programs...
February 6, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29403350/the-experience-elicited-by-hallucinogens-presents-the-highest-similarity-to-dreaming-within-a-large-database-of-psychoactive-substance-reports
#5
Camila Sanz, Enzo Tagliazucchi
Ever since the modern rediscovery of psychedelic substances by Western society, several authors have independently proposed that their effects bear a high resemblance to the dreams and dreamlike experiences occurring naturally during the sleep-wake cycle. Recent studies in humans have provided neurophysiological evidence supporting this hypothesis. However, a rigorous comparative analysis of the phenomenology ("what it feels like" to experience these states) is currently lacking. We investigated the semantic similarity between a large number of subjective reports of psychoactive substances and reports of high/low lucidity dreams, and found that the highest-ranking substance in terms of the similarity to high lucidity dreams was the serotonergic psychedelic lysergic acid diethylamide (LSD), whereas the highest-ranking in terms of the similarity to dreams of low lucidity were plants of the Datura genus, rich in deliriant tropane alkaloids...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29366418/ayahuasca-psychological-and-physiologic-effects-pharmacology-and-potential-uses-in-addiction-and-mental-illness
#6
Jonathan Hamill, Jaime Hallak, Serdar M Dursun, Glen Baker
Ayahuasca, a traditional Amazonian decoction with psychoactive properties, is made from bark of the Banisteriopsis caapi vine (contains beta-carboline alkaloids) and leaves of the Psychotria viridis bush (supply the hallucinogen N,N-dimethyltryptamine (DMT)). Originally used by indigenous shamans for the purposes of spirit communication, magical experiences, healing, and religious rituals, across several South American countries ayahuasca has been incorporated into folk medicine and spiritual healing, and several Brazilian churches use it routinely to foster spiritual experience...
January 24, 2018: Current Neuropharmacology
https://www.readbyqxmd.com/read/29364498/synthetic-cathinones-related-fatalities-an-update
#7
S Zaami, R Giorgetti, S Pichini, F Pantano, E Marinelli, F P Busardò
OBJECTIVE: Synthetic cathinones, more commonly known as "bath salts", are synthetic drugs chemically related to cathinone, a psychostimulant found in the khat plant. They are the first most consumed products among new psychoactive substances, which cause psychostimulant and hallucinogenic effects determining a number of fatalities worldwide.  In this paper, we have systematically reviewed cases of synthetic cathinones-related fatalities analytically confirmed, which have occurred in the last few years...
January 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29362872/zornia-latifolia-a-smart-drug-being-adulterated-by-stylosanthes-guianensis
#8
L Cornara, A P Fortuna-Perez, I Bruni, A Salis, G Damonte, B Borghesi, M Clericuzio
Dried herbal preparations, based on "Zornia latifolia," are commonly sold on web, mainly for their supposed hallucinogenic properties. In this work, we demonstrate that these commercial products contain a different Fabacea, i.e., Stylosanthes guianensis, a cheaper plant, widely cultivated in tropical regions as a fodder legume. We were provided with plant samples of true Zornia latifolia from Brazil, and carried out a thorough comparison of the two species. The assignment of commercial samples was performed by means of micro-morphological analysis, DNA barcoding, and partial phytochemical investigation...
January 23, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/29360862/independent-associations-and-effect-modification-between-lifetime-substance-use-and-recent-mood-disorder-diagnosis-with-household-food-insecurity
#9
Karen M Davison, Cliff Holloway, Lovedeep Gondara, Anne S Hatcher
Poor mental health and substance use are associated with food insecurity, however, their potential combined effects have not been studied. This study explored independent associations and effect modification between lifetime substance use and mood disorder in relation to food insecurity. Poisson regression analysis of data from British Columbia respondents (n = 13,450; 12 years+) in the 2007/08 Canadian Community Health Survey was conducted. Measures included The Household Food Security Survey Module (7.3% food insecure), recent diagnosis of a mood disorder (self-reported; 9...
2018: PloS One
https://www.readbyqxmd.com/read/29307491/structure-of-the-nanobody-stabilized-active-state-of-the-kappa-opioid-receptor
#10
Tao Che, Susruta Majumdar, Saheem A Zaidi, Pauline Ondachi, John D McCorvy, Sheng Wang, Philip D Mosier, Rajendra Uprety, Eyal Vardy, Brian E Krumm, Gye Won Han, Ming-Yue Lee, Els Pardon, Jan Steyaert, Xi-Ping Huang, Ryan T Strachan, Alexandra R Tribo, Gavril W Pasternak, F Ivy Carroll, Raymond C Stevens, Vadim Cherezov, Vsevolod Katritch, Daniel Wacker, Bryan L Roth
The κ-opioid receptor (KOP) mediates the actions of opioids with hallucinogenic, dysphoric, and analgesic activities. The design of KOP analgesics devoid of hallucinatory and dysphoric effects has been hindered by an incomplete structural and mechanistic understanding of KOP agonist actions. Here, we provide a crystal structure of human KOP in complex with the potent epoxymorphinan opioid agonist MP1104 and an active-state-stabilizing nanobody. Comparisons between inactive- and active-state opioid receptor structures reveal substantial conformational changes in the binding pocket and intracellular and extracellular regions...
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29298533/lysergic-acid-diethylamide-causes-photoreceptor-cell-damage-through-inducing-inflammatory-response-and-oxidative-stress
#11
Qi-Di Hu, Ling-Li Xu, Yan Gong, Guo-Hai Wu, Yu-Wen Wang, Shan-Jun Wu, Zhe Zhang, Wei Mao, Yu-Sheng Zhou, Qin-Bo Li, Jian-Shu Yuan
Lysergic acid diethylamide (LSD), a classical hallucinogen, was used as a popular and notorious substance of abuse in various parts of the world. Its abuse could result in long-lasting abnormalities in retina and little is known about the exact mechanism. This study was to investigate the effect of LSD on macrophage activation state at non-toxic concentration and its resultant toxicity to photoreceptor cells. Results showed that cytotoxicity was caused by LSD on 661W cells after co-culturing with RAW264.7 cells...
January 3, 2018: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/29224406/novel-psychotherapeutics-a-cautiously-optimistic-focus-on-hallucinogens
#12
Alexander M Sherwood, Thomas E Prisinzano
No abstract text is available yet for this article.
December 11, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29221792/the-serotonin-hallucinogen-5-meo-dmt-alters-cortico-thalamic-activity-in-freely-moving-mice-regionally-selective-involvement-of-5-ht1a-and-5-ht2a-receptors
#13
REVIEW
Maurizio S Riga, Laia Lladó-Pelfort, Francesc Artigas, Pau Celada
5-MeO-DMT is a natural hallucinogen acting as serotonin 5-HT1A/5-HT2A receptor agonist. Its ability to evoke hallucinations could be used to study the neurobiology of psychotic symptoms and to identify new treatment targets. Moreover, recent studies revealed the therapeutic potential of serotonin hallucinogens in treating mood and anxiety disorders. Our previous results in anesthetized animals show that 5-MeO-DMT alters cortical activity via 5-HT1A and 5-HT2A receptors. Here, we examined 5-MeO-DMT effects on oscillatory activity in prefrontal (PFC) and visual (V1) cortices, and in mediodorsal thalamus (MD) of freely-moving wild-type (WT) and 5-HT2A-R knockout (KO2A) mice...
December 5, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29216523/use-of-synthetic-stimulants-and-hallucinogens-in-a-cohort-of-electronic-dance-music-festival-attendees
#14
Amanda L A Mohr, Melissa Friscia, Jillian K Yeakel, Barry K Logan
Novel psychoactive substances (NPS), often characterized as unregulated psychoactive compounds designed to circumvent existing legislation, have become mainstream on the illicit drug market. Because of their physical and mind-altering properties, NPS may be deliberately or inadvertently ingested at electronic dance music (EDM) festivals to enhance the attendees' appreciation of the music and overall experience. Their widespread use at EDM festivals have been well documented and several adverse events and fatalities associated with NPS ingestion have been reported in the United States...
January 2018: Forensic Science International
https://www.readbyqxmd.com/read/29209235/the-endless-trip-among-the-nps-users-psychopathology-and-psychopharmacology-in-the-hallucinogen-persisting-perception-disorder-a-systematic-review
#15
REVIEW
Laura Orsolini, Gabriele Duccio Papanti, Domenico De Berardis, Amira Guirguis, John Martin Corkery, Fabrizio Schifano
Hallucinogen-persisting perception disorder (HPPD) is a syndrome characterized by prolonged or reoccurring perceptual symptoms, reminiscent of acute hallucinogen effects. HPPD was associated with a broader range of LSD (lysergic acid diethylamide)-like substances, cannabis, methylenedioxymethamphetamine (MDMA), psilocybin, mescaline, and psychostimulants. The recent emergence of novel psychoactive substances (NPS) posed a critical concern regarding the new onset of psychiatric symptoms/syndromes, including cases of HPPD...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29199899/alcohol-and-drug-use-pain-and-psychiatric-symptoms-among-adults-seeking-outpatient-psychiatric-treatment-latent-class-patterns-and-relationship-to-health-status
#16
Danielle E Ramo, Amber L Bahorik, Kevin L Delucchi, Cynthia I Campbell, Derek D Satre
BACKGROUND: Substance use, psychiatric problems, and pain frequently co-occur, yet clinical profiles of treatment-seeking patients are poorly understood. To inform service and treatment planning, substance use and symptom patterns were examined in an outpatient psychiatry clinic, along with the relationship of these patterns to demographic characteristics and physical health. METHODS: Patients (N = 405; age M = 38; 69% White; 60% female) presenting for intake in a psychiatry outpatient clinic completed a computerized assessment of psychiatric problems, drinking, and drug use...
December 4, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/29189143/retrospective-demonstration-of-25i-nbome-acute-poisoning-using-hair-analysis
#17
Alice Ameline, Audrey Farrugia, Jean-Sebastien Raul, Pascal Kintz
BACKGROUND: The abuse of new psychoactive substances or NPS has been dramatically increasing all around the world since the late 2000s and has become a serious public health problem. NPS are a challenge for the worldwide forensic community due to the difficulties to accurately document the cases. The N-benzylmethoxy (NBOMe) group is a new class of hallucinogenic designer drugs and has gained importance in the recent years. 25I-NBOMe (2-(4-iodo-2,5-dimethoxyphenyl)-N-[(2-methoxyphenyl)methyl]ethanamine) is an analog of the 2C series of psychedelic phenethylamine drugs that contain an N-methoxybenzyl substituent, which significantly affects their pharmacological activities...
November 29, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29180224/a-regulatory-perspective-on-the-evaluation-of-hallucinogen-drugs-for-human-use
#18
REVIEW
Silvia N Calderon, Joshua Hunt, Michael Klein
In recent years, there is renewed interest in the study of various hallucinogens for their potential therapeutic effects. In the United States of America (USA), the abuse potential assessment of a drug is carried out as part of the general safety and efficacy evaluation of a drug. Additionally, the abuse potential assessment is taken under consideration in determining if a drug needs to be subject to controls to minimize the abuse of the drug once on the market. This assessment is conducted for all new drugs with central nervous system (CNS) activity, that are chemically or pharmacologically similar to other drugs with known abuse potential, or drugs that produce psychoactive effects predictive of abuse, such as euphoria and hallucinations...
November 24, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29162429/studies-with-psychedelic-drugs-in-human-volunteers
#19
REVIEW
Edward M Sellers, Myroslava K Romach, Deborah B Leiderman
Scientific curiosity and fascination have played a key role in human research with psychedelics along with the hope that perceptual alterations and heightened insight could benefit well-being and play a role in the treatment of various neuropsychiatric disorders. These motivations need to be tempered by a realistic assessment of the hurdles to be cleared for therapeutic use. Development of a psychedelic drug for treatment of a serious psychiatric disorder presents substantial although not insurmountable challenges...
November 21, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29147729/regulation-of-human-research-with-lsd-in-the-united-states-1949-1987
#20
REVIEW
Katherine R Bonson
Human research with hallucinogens such as lysergic acid diethylamide (LSD) has been ongoing in the USA since 1949. During the 1960s, LSD was investigated for a variety of psychiatric indications, including the following: as an aid in treatment of schizophrenia; as a means of creating a "model psychosis"; as a direct antidepressant; and as an adjunct to psychotherapy. Studies with all drugs, including LSD, have always been conducted under federal regulatory controls, including the 1938 Food Drug and Cosmetic Act (FDCA; which ensured the safety of drugs) and the 1962 Kefauver-Harris Amendments to the FDCA (which described appropriate scientific methodology and ensured drug efficacy)...
November 17, 2017: Psychopharmacology
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