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Peptide encyclopedia/ Neuropeptide Y
Illustration for Neuropeptide Y

THE PEPSRADAR ENCYCLOPEDIA

Neuropeptide Y

Feeding-neuron circuitry

Research topics · Sources checked 2026-10-04

Read the studies ↓

Neuropeptide Y AT A GLANCE

The question behind the molecule.

Read findings and limitations ↓
1 selected publicationContext mattersThis is not an NPY administration trial in humans. It does not establish a weight-loss therapy or universal effects across NPY receptor pathways.

What is Neuropeptide Y?

Neuropeptide Y is an endogenous signaling peptide involved in feeding circuitry. The selected mouse study examined NPY-related neurons and feeding behavior rather than a clinical peptide treatment.

Biological role or research focus

Feeding-neuron circuitry.

This is not an NPY administration trial in humans. It does not establish a weight-loss therapy or universal effects across NPY receptor pathways.

Role reference: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

Names you may encounter

NPY

Search terms can include brands, combinations, or historical names. They are not automatic product equivalents.

Class / identity
Endogenous neuropeptide
Research focus
Feeding-neuron circuitry
Featured evidence
Animal neurocircuit study
Source check
October 4, 2026

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

Biology & proposed mechanism

Genetic and chemogenetic experiments probed the activity of a particular neuronal population. Circuit activation is different from administering an NPY product.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

Research context & identity

This is a neurobiology reference, with appetite-related outcomes retained in their experimental setting.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

What does the evidence show?

Selected published evidence, with the population, findings, and limits kept together. These original summaries draw on publication abstracts; they are not a systematic review.

Animal neurocircuit study · 2025

NPY-associated feeding circuits in mice

What did this publication test, and what did it find?

Population / model
Mice in genetic and chemogenetic feeding-circuit experiments.
Study design
Manipulation of PNOC/NPY-associated neuronal activity and expression, with feeding and weight-related measurements.
Main finding
The report linked NPY-associated expression and neuronal activation to increased feeding and weight gain in the tested models.
Limits & context
This is not an NPY administration trial in humans. It does not establish a weight-loss therapy or universal effects across NPY receptor pathways.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

Read the original paper for methods, adverse events, funding, and conflicts of interest. Publisher access may require a subscription.

Further reading · 4 additional publication links

Exact-name PubMed search checked 2026-10-04. These records have not been appraised. A name match can include related compounds, combinations, or other formulations; it does not establish safety or benefit.

Intermittent Fasting Targets Osteocyte Neuropeptide Y to Relieve Osteoarthritis. ↗
Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024 Sep · Journal Article, Research Support, Non-U.S. Gov't
Read available full text ↗

Neuropeptide Y. ↗
American journal of physiology. Regulatory, integrative and comparative physiology · 2002 Mar · Journal Article, Review

Neprilysin-dependent neuropeptide Y cleavage in the liver promotes fibrosis by blocking NPY-receptor 1. ↗
Cell reports · 2023 Feb 28 · Journal Article, Research Support, Non-U.S. Gov't
Read available full text ↗

Neuropeptide Y: An Anti-Aging Player? ↗
Trends in neurosciences · 2015 Nov · Journal Article, Research Support, Non-U.S. Gov't, Review

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Safety & precautions

Safety & what remains unknown

Complex neurocircuit responses cannot define the safety of an externally administered preparation.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

Evidence boundaries

This is not an NPY administration trial in humans. It does not establish a weight-loss therapy or universal effects across NPY receptor pathways.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

This is not a complete list of contraindications, interactions, or adverse effects. Medicine labels apply to specific products and indications; research-use listings are not interchangeable with approved medicines.

What are people discussing?

No editorial transcript note has been reviewed for this profile yet. Below are the matching video records available for exploration; title and caption matches are not verified claims.

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0 matching video records · 0 with captions indexed.

Across the full library, 30 caption files are indexed from 20,199 inventoried videos. Most transcripts remain unreviewed. Select a thumbnail or timestamp to watch inside PepsRadar. Thumbnail images load from YouTube.

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Sources & supplier listings

Listings are grouped by the vendor’s stated identity. Blends and modified derivatives are labeled separately. Inclusion is not a quality assessment or an endorsement.

No verified matching catalog listing yet

We have not added a supplier for this profile. Missing products and coded listings are not filled with guesses.

Catalog checked 2026-10-04. Seller listings retain their stated intended use. Shops covered: BioLongevity Labs, BioLongevity Supplements, American Peptides, PSPeptides. This is not a market-wide comparison. Affiliate participation does not determine evidence or editorial coverage.

Questions worth asking

  • Was the study testing NPY as a human weight-loss treatment?
  • What material, population, and route were actually studied?
  • This is not an NPY administration trial in humans. It does not establish a weight-loss therapy or universal effects across NPY receptor pathways.
  • What adverse effects, uncertainty, and conflicts of interest does the original source report?

Frequently asked questions

Was the study testing NPY as a human weight-loss treatment?

No. It examined mouse neuronal circuitry and reported feeding-promoting responses in its models.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

Does the publication verify a supplier’s product?

No. The tested material and a commercial listing need separate identity and batch checks. A research-use disclaimer does not establish clinical suitability.

Source: Hypothalamic PNOC/NPY neurons constitute mediators of leptin-controlled energy homeostasis. · 2025 ↗

References & editorial record

Source notes checked 2026-10-04. Original PepsRadar summaries. Not reviewed by a medical professional. Topic grouping is editorial navigation, not a treatment recommendation. Video notes specify which excerpts were reviewed; no full transcripts are published.

For research and education only. This page does not provide medical advice, diagnosis, or treatment. Research-only listings are not instructions for human use.

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