Cited by 263Nerve injury and regenerationNeurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology Research

Neurotrophin signalling: novel insights into mechanisms and pathophysiology

Open access
Mitre, Mariela, Mariga, Abigail, Chao, Moses V.·2017·Clinical Science

Abstract

Neurotrophins, such as brain-derived neurotrophic factor (BDNF), are prominent regulators of neuronal survival, growth and differentiation during development. While trophic factors are viewed as well-understood but not innovative molecules, there are many lines of evidence indicating that BDNF plays an important role in the pathophysiology of many neurodegenerative disorders, depression, anxiety and other psychiatric disorders. In particular, lower levels of BDNF are associated with the aetiology of Alzheimer's and Huntington's diseases. A major challenge is to explain how neurotrophins are able to induce plasticity, improve learning and memory and prevent age-dependent cognitive decline through receptor signalling. This article will review the mechanism of action of neurotrophins and how BDNF/tropomyosin receptor kinase B (TrkB) receptor signaling can dictate trophic responses and change brain plasticity through activity-dependent stimulation. Alternative approaches for modulating BDNF/TrkB signalling to deliver relevant clinical outcomes in neurodegenerative and neuropsychiatric disorders will also be described.

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  • Activation of these multiple signaling cascades results in neuronal remodeling and adaptive circuitry functioning that counters inflammation-mediated neurotoxicity.

    “The activation of these multiple signaling cascades results in neuronal remodeling and adaptive circuitry functioning countering inflammation mediated neurotoxicity (184).”

    From Chronic stress, neuroinflammation, and depression: an overview of pathophysiological mechanisms and emerging anti-inflammatories (2023) · cites this paper as [184]

    The BDNF and TrkB Receptor Signalling section describes multiple signalling pathways, and the Concluding Remarks describe BDNF-supported synaptogenesis and neuronal branching. The disease-pathophysiology section says trophic factors may ameliorate deficits involving inflammation, but the paper does not establish that activation of these cascades produces adaptive circuitry that counters inflammation-mediated neurotoxicity; it says the link between specific cascades and circuit-level changes needs further study. Page numbers are unavailable in our copy. (LLM, conf=0.85)

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Authors
Mitre, M., Mariga, A., & Chao, M. V.
Affiliations
New York University (US)
Corresponding author
Mitre, Mariela
Venue
Clinical Science
Published
2016-12-01
Volume
131
Issue
1
Pages
13-23
ISSN
  • 0143-5221 (ISSN-L)
  • 1470-8736
OpenAlex
W2557883205
Cited by
263
References
128
Citations by year
2026: 13 · 2025: 19 · 2024: 22 · 2023: 29 · 2022: 28 · 2021: 40 · 2020: 39 · 2019: 28 · 2018: 23 · 2017: 22
FWCI
2.67
Type
journal article
Language
en
Open access
Locations
  • Clinical Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (R56AG025970, R01AG025970)
  • National Institute of Neurological Disorders and Stroke (R01NS021072, R56NS021072, T32NS086750)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
neurotrophins, brain-derived neurotrophic factor, TrkB receptor, neurotrophin signaling, neuronal survival, neuroplasticity, learning and memory, cognitive decline, Alzheimer's disease, Huntington's disease, depression, anxiety, neurodegenerative diseases, neuropsychiatric disorders
MeSH terms
Animals, Brain, Humans, Nerve Growth Factors, Signal Transduction, Receptors, Nerve Growth Factor, Neurodegenerative Diseases

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