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Published on: September 20, 2024
Epigenetic Treatment of Neuropsychiatric Disorders: Autism and Schizophrenia
Walter H Moos1,2, Eleni Maneta3,4, Carl A Pinkert5,6
1Department of Pharmaceutical Chemistry, School of Pharmacy, University of California San Francisco, San Francisco, CA, USA.
Abstract:
Neuropsychiatric disorders are a heterogeneous group of conditions that often share underlying mitochondrial dysfunction and biological pathways implicated in their pathogenesis, progression, and treatment. To date, these disorders have proven notoriously resistant to molecular-targeted therapies, and clinical options are relegated to interventional types, which do not address the core symptoms of the disease. In this review, we discuss emerging epigenetic-driven approaches using novel acylcarnitine esters (carnitinoids) that act on master regulators of antioxidant and cytoprotective genes and mitophagic pathways. These carnitinoids are actively transported, mitochondria-localizing, biomimetic coenzyme A surrogates of short-chain fatty acids, which inhibit histone deacetylase and may reinvigorate synaptic plasticity and protect against neuronal damage. We outline these neuroprotective effects in the context of treatment of neuropsychiatric disorders such as autism spectrum disorder and schizophrenia.
Insights
Novel carnitine esters show promise for treating neuropsychiatric disorders by targeting mitochondrial dysfunction and epigenetic pathways. These compounds may offer a new therapeutic avenue by protecting neurons and improving synaptic plasticity.
Area of Science:
- Neuroscience
- Biochemistry
- Genetics
Background:
- Neuropsychiatric disorders share mitochondrial dysfunction and common biological pathways.
- Current treatments are largely interventional and do not address core disease symptoms.
- Molecular-targeted therapies have shown limited success.
Purpose of the Study:
- To review emerging epigenetic-driven therapeutic approaches for neuropsychiatric disorders.
- To explore the potential of novel acylcarnitine esters (carnitinoids) as a treatment strategy.
- To outline the neuroprotective effects of carnitinoids in conditions like autism spectrum disorder and schizophrenia.
Main Methods:
- Review of current literature on epigenetic modifications and mitochondrial function in neuropsychiatric disorders.
- Analysis of the mechanism of action of carnitinoids as biomimetic coenzyme A surrogates.
- Discussion of carnitinoid transport, localization, and effects on gene regulation and neuronal health.
Main Results:
- Carnitinoids act on master regulators of antioxidant and cytoprotective genes.
- These compounds inhibit histone deacetylase, potentially reinvigorating synaptic plasticity.
- Carnitinoids demonstrate potential for protecting against neuronal damage.
Conclusions:
- Epigenetic-driven approaches using carnitinoids represent a promising therapeutic strategy for neuropsychiatric disorders.
- Carnitinoids may address core symptoms by targeting underlying mitochondrial dysfunction.
- Further research into carnitinoids could lead to novel treatments for autism spectrum disorder and schizophrenia.
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