• MoraesBruno JoséBJCenter for Neuroscience and Cell Biology, University of Coimbra (CNC-UC), Coimbra, Portugal., Patrícia Coelho, Lígia Fão, FerreiraIldete LuísaILCenter for Neuroscience and Cell Biology, University of Coimbra (CNC-UC), Coimbra, Portugal; Institute for Interdisciplinary Research of the University of Coimbra (IIIUC), Coimbra, Portugal., and A Cristina Rego.
• Center for Neuroscience and Cell Biology, University of Coimbra (CNC-UC), Coimbra, Portugal.
• Neuroscience. 2021 Feb 1; 454: 116-139.

AbstractThe postsynaptic density (PSD) is a complex subcellular domain important for postsynaptic signaling, function, and plasticity. The PSD is present at excitatory synapses and specialized to allow for precise neuron-to-neuron transmission of information. The PSD is localized immediately underneath the postsynaptic membrane forming a major protein network that regulates postsynaptic signaling and synaptic plasticity. Glutamatergic synaptic dysfunction affecting PSD morphology and signaling events have been described in many neurodegenerative disorders, either sporadic or familial forms. Thus, in this review we describe the main protein players forming the PSD and their activity, as well as relevant modifications in key components of the postsynaptic architecture occurring in Huntington's, Parkinson's and Alzheimer's diseases.Copyright © 2019 IBRO. Published by Elsevier Ltd. All rights reserved.

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