Modulatory Action of Insulin-like Growth Factor I (IGF-I) on Cortical Activity : Entrainment of Metabolic and Brain Functions

Insulin-like growth factor I (IGF-I) is a neurotrophic factor that regulates neurogenesis, synaptogenesis, and neuronal survival. It also enhances neuronal activity and facilitates synaptic plasticity. Additionally, IGF-I plays a critical role in the regulation of metabolism in mammals. Emerging evi...

Descripción completa

Detalles Bibliográficos
Autores: García-Magro, Nuria, Mesa-Lombardo, Alberto, Nuñez, Ángel
Tipo de recurso: artículo
Fecha de publicación:2025
País:España
Institución:Universidad Francisco de Vitoria
Repositorio:DDFV. Repositorio Institucional de la Universidad Francisco de Vitoria
Idioma:inglés
OAI Identifier:oai:ddfv.ufv.es:10641/6789
Acceso en línea:https://hdl.handle.net/10641/6789
Access Level:acceso abierto
Palabra clave:IGF-I
cholinergic neurons
circadian rhythms
electrocorticogram
growth hormone
orexinergic neurons
synaptic plasticity
General Biochemistry, Genetics and Molecular Biology
Journal Article
Review
Yes
yes
Descripción
Sumario:Insulin-like growth factor I (IGF-I) is a neurotrophic factor that regulates neurogenesis, synaptogenesis, and neuronal survival. It also enhances neuronal activity and facilitates synaptic plasticity. Additionally, IGF-I plays a critical role in the regulation of metabolism in mammals. Emerging evidence indicates that IGF-I modulates sleep architecture. The circadian integration of metabolic and neuronal systems serves to optimize energy utilization across the light/dark cycle. Current data suggest that IGF-I may be a key mediator of this integration, promoting brain activity during wakefulness, a state that coincides with increased metabolic demand. In this review, we summarize recent findings on the interplay between metabolism, IGF-I, and brain activity.