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- Title
Effects of Psychotropic Drugs on Ribosomal Genes and Protein Synthesis.
- Authors
Liu, Zoe S. J.; Truong, Trang T. T.; Bortolasci, Chiara C.; Spolding, Briana; Panizzutti, Bruna; Swinton, Courtney; Kim, Jee Hyun; Kidnapillai, Srisaiyini; Richardson, Mark F.; Gray, Laura; Dean, Olivia M.; McGee, Sean L.; Berk, Michael; Walder, Ken
- Abstract
Altered protein synthesis has been implicated in the pathophysiology of several neuropsychiatric disorders, particularly schizophrenia. Ribosomes are the machinery responsible for protein synthesis. However, there remains little information on whether current psychotropic drugs affect ribosomes and contribute to their therapeutic effects. We treated human neuronal-like (NT2-N) cells with amisulpride (10 µM), aripiprazole (0.1 µM), clozapine (10 µM), lamotrigine (50 µM), lithium (2.5 mM), quetiapine (50 µM), risperidone (0.1 µM), valproate (0.5 mM) or vehicle control for 24 h. Transcriptomic and gene set enrichment analysis (GSEA) identified that the ribosomal pathway was altered by these drugs. We found that three of the eight drugs tested significantly decreased ribosomal gene expression, whilst one increased it. Most changes were observed in the components of cytosolic ribosomes and not mitochondrial ribosomes. Protein synthesis assays revealed that aripiprazole, clozapine and lithium all decreased protein synthesis. Several currently prescribed psychotropic drugs seem to impact ribosomal gene expression and protein synthesis. This suggests the possibility of using protein synthesis inhibitors as novel therapeutic agents for neuropsychiatric disorders.
- Subjects
PSYCHOPHARMACOLOGY; PROTEIN synthesis; AMISULPRIDE; RIBOSOMAL proteins; PSYCHIATRIC drugs; RIBOSOMES; NEUROBEHAVIORAL disorders
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 13, p7180
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms23137180