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Foxo1

Meaning

Foxo1, or Forkhead box O1, is a transcription factor protein that plays a critical role in regulating numerous cellular processes, including metabolism, cell cycle progression, apoptosis, and oxidative stress resistance. As a key mediator in the insulin and growth factor signaling pathways, Foxo1 acts as a metabolic switch, linking nutrient availability to gene expression. Its activity is particularly relevant in endocrinology for its influence on glucose homeostasis and cellular longevity, impacting insulin sensitivity.