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Addiction: all studies

Page 84 of 857: studies 831 to 840 of 8,563, newest first. Back to the addiction overview

Research

Striatal Iron Deposition in Recreational MDMA (Ecstasy) Users.

Biological Psychiatry: Cognitive Neuroscience and Neuroimaging September 2023 Rebecca C Coray, Jatta Berberat, Josua Zimmermann et al.

The common club drug MDMA (also known as ecstasy) enhances mood, sensory perception, energy, sociability, and euphoria. While MDMA has been shown to produce neurotoxicity in animal models, research on its potential neurotoxic effects in humans is inconclusive and has focused primarily on the serotonin system. We investigated 34 regular, largely pure MDMA users for signs of premature...

Psychedelic Therapy—A New Paradigm of Care for Mental Health

JAMA August 31, 2023 Rachel Yehuda, Amy Lehrner 33 citations

An increasing number of clinicians and researchers have become interested in the potential of psychedelic drugs for the treatment of mental health disorders, including depression, anxiety, posttraumatic stress disorder, eating disorders, and addictions.1,2

Pharmacology and Therapeutic Effects of Psilocybin

Highlights in Science, Engineering and Technology August 29, 2023 Xuehan Du 1 citation

Psilocybin, a psychoactive alkaloid with hallucinogenic properties, exists in a variety of hallucinogenic mushrooms. As a study tool to imitate psychosis, psilocybin has aroused a lot of interest in the biological community due to its various possible therapeutic benefits. It is also a very popular and widely misused natural hallucinogens with distinct metabolism pathways and toxicity. In this...

Chronic Δ9-tetrahydrocannabinol treatment has dose-dependent effects on open field exploratory behavior and [3H] SR141716A receptor binding in the rat brain.

Life Sciences August 15, 2023 Lily Freeman-Striegel, John Hamilton, Renuka Kannappan et al.

Acute and chronic Δ9-THC exposure paradigms affect the body differently. More must be known about the impact of chronic Δ9-THC on cannabinoid-1 (CB1R) and mu-opioid (MOR) receptor levels in the brain. The present study examined chronic Δ9-THC's effects on CB1R and MOR levels and locomotor activity. Adolescent Sprague-Dawley rats were given daily intraperitoneal injections of Δ9-THC [0.75mg/kg...

The use of psilocybin in the treatment of psychiatric disorders – review

Journal of Education, Health and Sport August 15, 2023 Justyna Woźniak, Rafał Bogacz, Magdalena Gaik et al.

Introduction: The word “psychedelic” derives from the Greek language and can be loosely translated as “mind manifesting” which is to convey that these substances allow the mind to unleash its hidden potential. Psilocybin is considered to be a “classic psychedelic” and is most commonly found in the form of so-called “magic mushrooms”. Due to its unique properties psilocybin has been used during...

Factors influencing the effects of the mindfulness-based interventions of patients with substance abuse: A qualitative systematic review and meta-synthesis.

Heliyon August 9, 2023 Ko-Shih Chang, Li-Hung Lee, Shu-Ling Chen et al.

Objective: This article aims to provide the experiences of mindfulness treatments from the perspectives of patients with a history of substance abuse. Data source: Peer-reviewed articles on 5 databases, namely, PubMed, PsychINFO, Medline, CINAHL and the Cochrane Library, between the year of 2000 and 2023. Study inclusion and exclusion criteria: Studies were included if they were published in...

Designer Drug, 25D-NBOMe, Has Reinforcing and Rewarding Effects through Change of a Dopaminergic Neurochemical System.

ACS Chemical Neuroscience August 2, 2023 Jae-Gyeong Lee, Kwang-Hyun Hur, Su-Bin Hwang et al.

2-(2,5-Dimethoxy-4-methylphenyl)-N-(2-methoxybenzyl)_ethanamine (25D-NBOMe), an analogue of the 2C family, is a newly synthesized psychoactive substance. It acts as an agonist at the 5-HT2A receptor and has a similar mechanism to that of NBOMe compounds. However, the pharmacological mechanism for its rewarding and reinforcing effects has not been revealed. In the present study, intravenous...

Behavioral metabolomics: how behavioral data can guide metabolomics research on neuropsychiatric disorders.

Metabolomics : Official journal of the Metabolomic Society August 2, 2023 Ross Van de Wetering, Jan A Vorster, Sophie Geyrhofer et al. 4 citations

Metabolomics produces vast quantities of data but determining which metabolites are the most relevant to the disease or disorder of interest can be challenging. This study sought to demonstrate how behavioral models of psychiatric disorders can be combined with metabolomics research to overcome this limitation. We designed a preclinical, untargeted metabolomics procedure, that focuses on the...

Δ9 -Tetrahydrocannabinol self-administration induces cell type-specific adaptations in the nucleus accumbens core.

Addiction Biology August 2023 Constanza Garcia-Keller, Madeline Hohmeister, Kailyn Seidling et al.

Drugs of abuse induce cell type-specific adaptations in D1- and D2-medium spiny neurons (MSNs) in the nucleus accumbens core (NAcore) that can bias signalling towards D1-MSNs and enhance relapse vulnerability. Whether Δ9 -tetrahydrocannabinol (THC) use initiates similar neuroadaptations is unknown. D1- and D2-Cre transgenic rats were transfected with Cre-dependent reporters and trained to...

The current state of ayahuasca research in animal models: A systematic review.

Progress in Neuro-Psychopharmacology and Biological Psychiatry July 13, 2023 Dimitri Daldegan-Bueno, Natalia Maria Simionato, Vanessa Manchim Favaro et al. 18 citations

The psychedelic brew ayahuasca is increasingly being investigated for its therapeutic potential. Animal models are essential to investigate the pharmacological effects of ayahuasca since they can control important factors influencing it, such as the set and setting. Review and summarise data available on ayahuasca research using animal models. We systematically searched five databases (PubMed,...