Histone Deacetylase Inhibitors as Cognitive Enhancers and Modifiers of
Mood and Behavior

Dilipkumar      Pal; Pooja      Sahu; Abhishek   K.   Mishra; Albert      Hagelgans; Olga      Sukocheva
doi:10.2174/1389450124666221207090108
Abstract

Background: Epigenetic regulation of gene signalling is one of the fundamental molecular mechanisms for the generation and maintenance of cellular memory. Histone acetylation is a common epigenetic mechanism associated with increased gene transcription in the central nervous system (CNS). Stimulation of gene transcription by histone acetylation is important for the development of CNS-based long-term memory. Histone acetylation is a target for cognitive enhancement via the application of histone deacetylase (HDAC) inhibitors. The promising potential of HDAC inhibitors has been observed in the treatment of several neurodevelopmental and neurodegenerative diseases.
Objective: This study assessed the current state of HDAC inhibition as an approach to cognitive enhancement and treatment of neurodegenerative diseases. Our analysis provides insights into the mechanism of action of HDAC inhibitors, associated epigenetic priming, and describes the therapeutic success and potential complications after unsupervised use of the inhibitors.
Results and Conclusion: Several chromatin-modifying enzymes play key roles in the regulation of cognitive processes. The importance of HDAC signaling in the brain is highlighted in this review. Recent advancements in the field of cognitive epigenetics are supported by the successful development of various HDAC inhibitors, demonstrating effective treatment of mood-associated disorders. The current review discusses the therapeutic potential of HDAC inhibition and observed complications after mood and cognitive enhancement therapies.
Keywords: Histone deacetylase, HDAC inhibitors, epigenetic modification, memory, small-molecule inhibitors, epigenetic priming.
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Graphical Abstract

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DOI https://dx.doi.org/10.2174/1389450124666221207090108	Print ISSN 1389-4501
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