SOURCE-LINKED STUDY SUMMARY
The arcuate nucleus mediates GLP-1 receptor agonist liraglutide-dependent weight loss.
What was studied?
Abstract-based mechanistic experiments examined how peripheral liraglutide reaches and signals within appetite-regulating brain pathways; dose, exposure duration and a single overall comparator were not reported.
What changed?
Labeled liraglutide bound arcuate-nucleus neurons, required GLP-1 receptors for brain uptake, directly stimulated POMC/CART neurons and indirectly inhibited NPY/AgRP signaling.
Who was studied?
The work used rats, mice—including GLP-1-receptor knockout mice—and murine brain slices. The abstract does not state sample sizes.
Studied exposure
Not extracted or not reported in this source.
What remains uncertain?
This is nonhuman mechanistic evidence without reported sample sizes, dose or timeframe; it does not establish the neural mechanism or effectiveness in humans.
Review record & corrections
Summary prepared: . Source scope: abstract. This is an AI-assisted source summary, not an independent clinician sign-off.
No public field-by-field revision history is available for this card yet. The date above is the summary date, not proof that every field was updated then.
Inspect the source · Correction policyResearch findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.
Original publication ↗ · DOI: 10.1172/jci75276