DNA BASE MODIFICATIONS IN NEURAL PLASTICITY AND NEUROPSYCHIATRIC DISORDERS

University Of California-Irvine, Irvine CA

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Abstract

DESCRIPTION (provided by applicant): Although epigenetic regulation of gene expression has been shown to be associated with experience- dependent neural plasticity and memory formation, due to technical and conceptual limitations, the full repertoire of DNA base modifications and their role in neuropsychiatric disease remains equivocal. In this project, new technology will be developed to more precisely identify activity-dependent epigenetic mechanisms in neuronal populations selectively activated by learning and challenge current concepts related to the full repertoire of DNA base modifications and their role in regulating gene expression. Specifically, we will determine whether there is a causal relationship between various DNA base modifications and rapid behavioral adaptation, and we will advance the state of knowledge regarding the molecular mechanisms underlying the memory in a preclinical model of fear-related anxiety disorder.