This refers to the deliberate increase in the production and release of Brain-Derived Neurotrophic Factor (BDNF) within the central and peripheral nervous systems. BDNF is a critical protein for neurogenesis, neuronal survival, and synaptic plasticity, playing a key role in cognitive health. Enhancement strategies aim to optimize brain function and resilience against neurodegeneration. Sustained enhancement is correlated with improved mood and learning capacity.
Origin
The concept stems from the discovery of BDNF as a member of the neurotrophin family, proteins essential for the development and maintenance of the nervous system. ‘Expression enhancement’ is a modern clinical application derived from molecular biology, focusing on upregulating the gene transcription of this vital neuroprotein. The clinical relevance is tied directly to its powerful neuroprotective and mood-regulating properties. This focus shifts therapeutic strategy toward endogenous neuroplasticity.
Mechanism
Enhancement typically involves activating specific genetic pathways or utilizing exogenous factors that promote the transcription of the BDNF gene. Once synthesized, BDNF binds to the TrkB receptor on neurons, initiating intracellular signaling cascades like the MAPK and PI3K pathways. These pathways support neuronal differentiation, dendritic branching, and the strengthening of synaptic connections, thereby improving overall neural network function. This molecular action underlies improvements in memory and executive function.
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