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Experience-Induced Remodeling of the Hippocampal Post-synaptic Proteome and Phosphoproteome

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  • Author(s): Heo, Seok; Kang, Taewook; Bygrave, Alexei M.; Larsen, Martin R.; Huganir, Richard L.
  • Source:
    Heo, S, Kang, T, Bygrave, A M, Larsen, M R & Huganir, R L 2023, 'Experience-Induced Remodeling of the Hippocampal Post-synaptic Proteome and Phosphoproteome', Molecular and Cellular Proteomics, vol. 22, no. 11, 100661. https://doi.org/10.1016/j.mcpro.2023.100661
  • Document Type:
    article in journal/newspaper
  • Language:
    English
  • Additional Information
    • Publication Date:
      2023
    • Collection:
      University of Southern Denmark: Research Output / Syddansk Universitet
    • Abstract:
      The postsynaptic density (PSD) of excitatory synapses contains a highly organized protein network with thousands of proteins and is a key node in the regulation of synaptic plasticity. To gain new mechanistic insight into experience-induced changes in the PSD, we examined the global dynamics of the hippocampal PSD proteome and phosphoproteome in mice following four different types of experience. Mice were trained using an inhibitory avoidance (IA) task and hippocampal PSD fractions were isolated from individual mice to investigate molecular mechanisms underlying experience-dependent remodeling of synapses. We developed a new strategy to identify and quantify the relatively low level of site-specific phosphorylation of PSD proteome from the hippocampus, by using a modified iTRAQ-based TiSH protocol. In the PSD, we identified 3938 proteins and 2761 phosphoproteins in the sequential strategy covering a total of 4968 unique protein groups (at least two peptides including a unique peptide). On the phosphoproteins, we identified a total of 6188 unambiguous phosphosites (75%
    • File Description:
      application/pdf
    • ISSN:
      1535-9476
      1535-9484
    • Relation:
      info:eu-repo/semantics/altIdentifier/pmid/37806341; info:eu-repo/semantics/altIdentifier/pissn/1535-9476; info:eu-repo/semantics/altIdentifier/eissn/1535-9484
    • Accession Number:
      10.1016/j.mcpro.2023.100661
    • Online Access:
      https://portal.findresearcher.sdu.dk/da/publications/c31f0faa-6842-40bd-acf4-5cfe525caef3
      https://doi.org/10.1016/j.mcpro.2023.100661
      https://findresearcher.sdu.dk/ws/files/250855790/1-s2.0-S153594762300172X-main.pdf
    • Rights:
      info:eu-repo/semantics/openAccess ; http://creativecommons.org/licenses/by/4.0/
    • Accession Number:
      edsbas.50546611