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SETD1A Mediated H3K4 Methylation and Its Role in Neurodevelopmental and Neuropsychiatric Disorders

Journal

FRONTIERS IN MOLECULAR NEUROSCIENCE
Volume 14, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fnmol.2021.772000

Keywords

SETD1A; neurodevelopmental disorders (NDD); psychiatric disorders; chromatin modification; histone methlyation; schizophrenia

Categories

Funding

  1. ERA-NET NEURON-102 SYNSCHIZ-NWO (Nederlandse Organisatie voor Wetenschappelijk Onderzoek)
  2. Hersenstichting [013-17-003 4538]

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Posttranslational modification of histones and related gene regulation play a crucial role in neurological disorders, with SETD1A influencing gene expression through H3K4 methylation. Variants in SETD1A have been linked to developmental delay, intellectual disability, and schizophrenia. Mouse models of SETD1A dysfunction mimic key behavioral features associated with these disorders, indicating disrupted synaptic and neuronal network function.
Posttranslational modification of histones and related gene regulation are shown to be affected in an increasing number of neurological disorders. SETD1A is a chromatin remodeler that influences gene expression through the modulation of mono- di- and trimethylation marks on Histone-H3-Lysine-4 (H3K4me1/2/3). H3K4 methylation is predominantly described to result in transcriptional activation, with its mono- di- and trimethylated forms differentially enriched at promoters or enhancers. Recently, dominant mostly de novo variants in SETD1A have clinically been linked to developmental delay, intellectual disability (DD/ID), and schizophrenia (SCZ). Affected individuals often display both developmental and neuropsychiatric abnormalities. The primary diagnoses are mainly dependent on the age at which the individual is assessed. Investigations in mouse models of SETD1A dysfunction have been able to recapitulate key behavioral features associated with ID and SCZ. Furthermore, functional investigations suggest disrupted synaptic and neuronal network function in these mouse models. In this review, we provide an overview of pre-clinical studies on the role of SETD1A in neuronal development. A better understanding of the pathobiology underlying these disorders may provide novel opportunities for therapeutic intervention. As such, we will discuss possible strategies to move forward in elucidating the genotype-phenotype correlation in SETD1A associated disorders.

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