eISSN: 2720-5371
ISSN: 1230-2813
Advances in Psychiatry and Neurology/Postępy Psychiatrii i Neurologii
Bieżący numer Archiwum Artykuły zaakceptowane O czasopiśmie Rada naukowa Bazy indeksacyjne Prenumerata Kontakt Zasady publikacji prac Opłaty publikacyjne Standardy etyczne i procedury
Panel Redakcyjny
Zgłaszanie i recenzowanie prac online
SCImago Journal & Country Rank
2/2022
vol. 31
 
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Artykuł przeglądowy

Molecular mechanisms of antipsychotics – their influence on intracellular signaling pathways, and epigenetic and post-transcription processes

Paulina Rok-Bujko
1

  1. Second Department of Psychiatry, Department of Neuroses, Personality Disorders and Eating Disorders, Institute of Psychiatry and Neurology, Warsaw, Poland
Adv Psychiatry Neurol 2022; 31 (2): 74-84
Data publikacji online: 2022/07/20
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Purpose
The purpose of this paper is to describe some aspects of the intra-cellular mechanism of action of neuroleptics, drugs widely used in psychiatry in treatment of psychotic and affective disorders. The ability of neuroleptics to influence and modify the metabolic, energetic and structural processes of neurons, as well as their apoptosis, probably influence their therapeutic potential. The direct and indirect mechanisms of antipsychotics are discussed on the basis of epigenetic, intra-cellular and post-transcription processes.

Views
Antipsychotic drugs facilitate chromatin remodeling, decreasing or increasing histone acetylation, and affect DNA methyla­tion differently. Antipsychotics modulate the intracellular signaling cascades like the cyclic adenosine monophosphate (cAMP), AKT/glycogen synthase kinase-3 (GSK-3) pathway and mitogen-activated protein kinase (MAPK) in a variety of ways that contribute to their different clinical and side-effect profiles. Among the cellular processes involved in the activity of antipsychotics are energy and metabolism, protein synthesis and processing, cytoskeleton functions like microtubule dynamics, dendritic branching, and spine dynamics, as well as cell adhesion and synaptic activity. Finally, antipsychotics have the ability to modulate the expression of a large number of miRNAs, which is related to oxidative stress and metabolism.

Conclusions
Despite the efficacy of antipsychotics in treating schizophrenia and bipolar disorders over the last several decades, their molecular mechanisms of action turn out to be very complex and have not yet been fully elucidated. Recent thinking about a more personalized and endophenotype-specific diagnosing and treatment requires a more advanced genomic and proteomic approach and seems to be the next step in the treatment of mental disorders.

słowa kluczowe:

antipsychotics, epigenetic, molecular, intra-cellular signalling, post-transcription

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