PEDEvidence@pedevidence

SOURCE-LINKED STUDY SUMMARY

The arcuate nucleus mediates GLP-1 receptor agonist liraglutide-dependent weight loss.

The Journal of clinical investigation ·

Animal

Abstract summarizedQuality not appraised
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.
Who / model studied
The work used rats, mice—including GLP-1-receptor knockout mice—and murine brain slices. The abstract does not state sample sizes.
Studied dose & schedule
Dose and schedule have not yet been extracted for this summary.
What the study found
Labeled liraglutide bound arcuate-nucleus neurons, required GLP-1 receptors for brain uptake, directly stimulated POMC/CART neurons and indirectly inhibited NPY/AgRP signaling.
Limitations & context
This is nonhuman mechanistic evidence without reported sample sizes, dose or timeframe; it does not establish the neural mechanism or effectiveness in humans.

Read summary source ↗ · Prepared 9/23/2026 · AI-assisted, source-based summary

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.

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Research 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

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