Synaptic structural plasticity pathways

Synaptic structural plasticity pathways refer to the complex molecular and cellular mechanisms that mediate physical changes in the shape, size, and number of neuronal connections, particularly dendritic spines. These pathways are fundamental to the brain's ability to encode information and adapt to environmental stimuli, serving as the structural basis for learning and memory (Source: Nature Reviews Neuroscience, 2018). Key components include the actin cytoskeleton, cell adhesion molecules, and signaling cascades triggered by neurotrophins like Brain-derived neurotrophic factor (BDNF) (Source: Frontiers in Molecular Neuroscience, 2021). Dysregulation of these pathways is strongly linked to the pathophysiology of neurodegenerative diseases like Alzheimer's and psychiatric disorders such as major depressive disorder and schizophrenia (Source: Molecular Psychiatry, 2019). Pharmacological intervention in these pathways, such as the use of ketamine or BDNF mimetics, aims to restore synaptic density and improve functional connectivity in the brain (Source: Science, 2019).

Other names

Structural plasticitySynaptic remodelingDendritic spine plasticitySynaptogenesis

Modulation of the actin cytoskeleton, activation of the TrkB/mTOR signaling pathway, and regulation of cell adhesion molecules to promote the formation and stabilization of dendritic spines.