Cited by 744Nerve injury and regenerationNeuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental Disorders

Postsynaptic BDNF‐TrkB signaling in synapse maturation, plasticity, and disease

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Yoshii, Akira, Constantine‐Paton, Martha·2010·Developmental Neurobiology

Abstract

Brain-derived neurotrophic factor (BDNF) is a prototypic neurotrophin that regulates diverse developmental events from the selection of neural progenitors to the terminal dendritic differentiation and connectivity of neurons. We focus here on activity-dependent synaptic regulation by BDNF and its receptor, full length TrkB. BDNF-TrkB signaling is involved in transcription, translation, and trafficking of proteins during various phases of synaptic development and has been implicated in several forms of synaptic plasticity. These functions are carried out by a combination of the three signaling cascades triggered when BDNF binds TrkB: The mitogen-activated protein kinase (MAPK), the phospholipase Cgamma (PLC PLCgamma), and the phosphatidylinositol 3-kinase (PI3K) pathways. MAPK and PI3K play crucial roles in both translation and/or trafficking of proteins induced by synaptic activity, whereas PLCgamma regulates intracellular Ca(2+) that can drive transcription via cyclic AMP and a protein kinase C. Conversely, the abnormal regulation of BDNF is implicated in various developmental and neurodegenerative diseases that perturb neural development and function. We will discuss the current state of understanding BDNF signaling in the context of synaptic development and plasticity with a focus on the postsynaptic cell and close with the evidence that basic mechanisms of BDNF function still need to be understood to effectively treat genetic disruptions of these pathways that cause devastating neurodevelopmental diseases.

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Crossref · 10.1002/dneu.20765

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  • Local consolidation is coupled to long-range stabilization through TrkB signaling endosomes that traffic to the soma and engage CREB and mTOR-dependent transcription.

    “Local consolidation is coupled to long-range stabilization through TrkB signaling endosomes that traffic to the soma and engage CREB and mTOR-dependent transcription [106,109,112].”

    From Synaptic Plasticity—Intrinsic Excitability and Antidepressant Discovery (2026) · cites this paper as [112]

    The Regulation of BDNF/TrkB Signaling Pathway section (page not provided) links TrkB signaling to CREB-mediated transcription and mTOR-dependent protein translation. The Synaptic Tagging section describes local BDNF stimulation affecting PSD-95 trafficking across dendrites, but our copy does not describe TrkB signaling endosomes traveling to the soma or engaging CREB and mTOR-dependent transcription there. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Upon BDNF-TrkB binding, the complex is internalized into the neuron and serves as a docking site for signaling cascades, protein phosphorylation cascades, and secondary signaling systems.

    “Upon binding, the BDNF-TrkB complex is then internalized into the neuron and serves as a docking site for numerous signaling cascades, protein phosphorylation cascades, and secondary signaling systems (Huang and Reichardt, 2003; Nykjaer et al., 2005; Yoshii and Constantine-Paton, 2010; for review of signaling pathways see Phillips et al., 2014).”

    From Exercise-Mediated Neurogenesis in the Hippocampus via BDNF (2018) · cites this paper as Yoshii and Constantine-Paton, 2010

    The Regulation of BDNF / TrkB Signaling Pathway section (page not supplied) says ligand binding phosphorylates intracellular TrkB domains and triggers MAPK, PI3K, and PLCγ cascades; its PLCγ subsection describes recruitment at a phosphorylated TrkB site. The passages do not establish that the BDNF–TrkB complex is internalized or that an internalized complex serves as the docking site. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Activity of receptor tyrosine kinases, metabotropic glutamic receptors and NMDA receptors leads to activation of PI3K/AKT and RAS/ERK signaling pathways, and thereby influences synaptic plasticity by mediating expression and trafficking of AMPA receptors in excitatory synapses and controlling LTD and LTP responses.

    “Activity of receptor tyrosine kinases, metabotropic glutamic receptors and NMDA receptors lead to the activation of PI3K/AKT and RAS/ERK signaling pathways [185, 189], and thereby influence synaptic plasticity by mediating expression and trafficking of AMPA receptors in excitatory synapses and controlling long-term depression (LTD) and long-term potentiation (LTP) responses [188–190].”
  • PI3K/AKT, RAS/ERK, WNT and β-catenin pathways control soma size, dendritic arborization, axon generation, spine development and synapse function.

    “These pathways control soma size, dendritic arborization, axon generation, spine development and synapse function [184–188].”
  • D1 receptor- and BDNF-mediated pathways interact in the activation of ERK1/2.

    “Experimental results suggest that D1 receptor- and BDNF-mediated pathways interact in the activation of extracellular-signal regulated kinase (ERK) 1/2 [mitogen activated kinase (MAPK)] activity [87].”

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Research works printed but not linked: 1

  1. Malenka RC Bear MF LTP and LTD: an embarrassment of riches Neuron 2004 44 5 21 15450156

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Authors
Yoshii, A., & Constantine‐Paton, M.
Affiliations
McGovern Institute for Brain Research (US)
Corresponding author
Constantine‐Paton, Martha
Venue
Developmental Neurobiology
Publisher
Wiley
Published
2010-02-22
Volume
70
Issue
5
Pages
304-322
ISSN
  • 1932-8451 (ISSN-L)
  • 1932-846X
OpenAlex
W1536780881
Cited by
744
References
125
Citations by year
2026: 46 · 2025: 33 · 2024: 36 · 2023: 39 · 2022: 59 · 2021: 46 · 2020: 60 · 2019: 64 · 2018: 55 · 2017: 50 · 2016: 50 · 2015: 41 · 2014: 38 · 2013: 47 · 2012: 38
FWCI
3.63
Type
journal article
Language
en
Open access
Locations
  • Developmental Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-sa)
  • PubMed Central
Funders
  • National Institutes of Health (5r01ey014074-21)
  • National Eye Institute (R01-EY014074, R01EY006039)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
brain-derived neurotrophic factor, TrkB receptor, postsynaptic signaling, synapse maturation, synaptic plasticity, MAPK signaling, PLCγ signaling, PI3K signaling, intracellular calcium, mRNA translation, protein trafficking, neurodevelopmental disorders, neurodegenerative diseases, neural development
MeSH terms
Animals, Developmental Disabilities, Humans, Models, Neurological, Nervous System Diseases, Neurons, Synapses, Brain-Derived Neurotrophic Factor, Receptor, trkB

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