Research
Hormonal
Activation of AMPK by AICAR abolishes lipid-induced mTOR activation in vitro, confirming that AMPK activation is sufficient to reverse the negative effects of high lipid availability on insulin signaling.
AMPK activation, naturally triggered by exercise, directly inhibits the mTOR pathway which is overactivated by high fat intake. This suggests that boosting AMPK activity (via exercise) is a direct way to counteract the metabolic effects of a high-fat diet.
GoodSupportsHIGH confidence
AMPK activation with 1 mM AICAR abolished lipid-induced mTOR activation in vitro.
Why this rating
Clear in vitro evidence with specific chemical intervention.
Source
Lipid-induced mTOR activation in rat skeletal muscle reversed by exercise and 5′-aminoimidazole-4-carboxamide-1-β-d-ribofuranoside
Donato A. Rivas et al. · Journal of Endocrinology · 2009
DOI 10.1677/joe-09-0202
mechanism_only · n=24Cited 57×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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