Abstract:
:The use of new psychoactive substances (NPSs) as a substitute for illegal drugs is increasing rapidly and is a serious threat to public health. 25C-NBF is a newly synthesized phenethylamine-type NPS that acts as a 5-hydroxyindoleacetic acid (5-HT) receptor agonist, but little is known about its pharmacological effects. Considering that NPSs have caused unexpected harmful effects leading to emergency and even death, scientific confirmation of the potential adverse effects of 25C-NBF is essential. In the present study, we investigated whether 25C-NBF has addictive and neurotoxic potential and causes neurochemical changes. In addictive potential assessments, high conditioned place preference (CPP) scores and stable self-administration (SA) were observed in the 25C-NBF groups (CPP [3 mg kg-1]; SA [0.01, 0.03, 0.1 mg kg-1]), suggesting the addictive liability of 25C-NBF. In neurotoxic potential assessments, 25C-NBF treatment (single super-high dose [1 × 15, 30, 40 mg kg-1]; repeated high dose [4 × 8, 15, 30 mg kg-1]) resulted in reduced motor activity (open field test), abnormal motor coordination (rota-rod test) and impaired recognition memory (novel object recognition test), suggesting that 25C-NBF is neurotoxic leading to motor impairment and memory deficits. Subsequently, immunohistochemistry showed that 25C-NBF treatment decreased tyrosine hydroxylase (TH) expression and increased ionized calcium-binding adapter molecule 1 (Iba-1) expression in the striatum. Taken together, our results clearly demonstrate the dangers of recreational use of 25C-NBF, and we suggest that people stop using 25C-NBF and other NPSs whose pharmacological effects are not precisely known.
journal_name
Arch Toxicoljournal_title
Archives of toxicologyauthors
Hur KH,Kim SE,Lee BR,Ko YH,Seo JY,Kim SK,Ma SX,Kim YJ,Jeong Y,Pham DT,Trinh QD,Shin EJ,Kim HC,Lee YS,Lee SY,Jang CGdoi
10.1007/s00204-020-02740-3subject
Has Abstractpub_date
2020-07-01 00:00:00pages
2505-2516issue
7eissn
0340-5761issn
1432-0738pii
10.1007/s00204-020-02740-3journal_volume
94pub_type
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