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Hinokinin Decreases Methamphetamine-Induced Hyperlocomotion via the Regulatory Effects on Dopamine Levels.

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College of Pharmacy, Chungbuk National University, 194-31 Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea.

The global abuse of stimulant methamphetamine (METH) imposes a significant social burden. Despite this, effective therapeutic interventions for mitigating the harmful effects associated with METH-induced central nervous system (CNS) stimulation remain elusive. (hinoki), containing hinokinin as its active constituent, has been identified to exhibit CNS depressant properties.

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Psychotropic stimulants like methamphetamine (METH) have an impact on the physiology, behavior, and psychology of human beings and can damage the reproductive and neuroendocrine systems in them. These deleterious impacts include a temporary drop in the relative weight of the testis along with adverse effects on spermatogenesis. Sambucus nigra, also known as elderberry (EB) or sweet elder, is a source of bioactive compounds that has drawn growing attention for its potential beneficial impact in preventing and treating several diseases.

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A systematic review of participant diversity in psychedelic-assisted psychotherapy trials.

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University of California San Francisco, Department of Psychiatry and Behavioral Sciences, 675 18th Ave. San Francisco, CA 94121, USA; San Francisco Veteran's Affairs Medical Center, 4150 Clement St. San Francisco, CA 94121, USA.

A lack of diverse and representative participant samples in mental health intervention research perpetuates mental health disparities. This issue has become a salient concern in studies of psychedelic-assisted psychotherapy (PAT), which is emerging as a promising mental health intervention. This systematic review evaluates the reporting, representation, and analysis of participant sociodemographic characteristics in randomized controlled trials (RCTs) of PAT.

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Polymer-based vaccines for substance use disorders: Targeting ketamine and methamphetamine with protein-free hyperbranched polyethyleneimine carriers.

Eur J Med Chem

January 2025

Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China. Electronic address:

Substance use disorders (SUDs) present a critical global health challenge, as current treatment options often prove insufficient, particularly for substances like ketamine and methamphetamine. In this study, we developed a novel immunotherapeutic strategy utilizing protein-free, polymer-based vaccines, with hyperbranched polyethylenimine (Hb-PEI) as a carrier to enhance immune specificity and remove the production of non-specific antibodies. Haptens for ketamine and methamphetamine were covalently conjugated to the Hb-PEI carrier, along with the Toll-like receptor (TLR) 7/8 agonist 1V209, to stimulate targeted humoral immune responses.

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Background: Despite increasing fatal stimulant poisoning in the United States, little is understood about the mechanism of death. The psychological autopsy (PA) has long been used to distinguish the manner of death in equivocal cases, including opioid overdose, but has not been used to explicitly explore stimulant mortality.

Objective: We aimed to develop and implement a large PA study to identify antecedents of fatal stimulant poisoning, seeking to maximize data gathering and ethical interactions during the collateral interviews.

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