Atlas One · Host Biology · Scale 03 — Molecular

Neuropeptide Y

Neuropeptide Y (NPY); 36-aa pancreatic polypeptide family member; most abundant neuropeptide in the CNS. Orexigenic via Y1R/Y5R on PVN; anxiolytic via Y1R on amygdala; vasoconstrictor co-released with NE from sympathetic terminals; stress-resilience peptide.

Also known as: NPY, neuropeptide Y, Y1R, Y2R, Y5R, AgRP, ARC NPY neurons, pancreatic polypeptide family

Scale 03 — MolecularScale
draftStatus
2026-06-08Last Reviewed
This is an auto-generated stub page built from atlas entry frontmatter. A richer hand-crafted page is planned. See the atlas source for the full entry including detailed body sections.
npy

Neuropeptide Y

Neuropeptide Y (NPY); 36-aa pancreatic polypeptide family member; most abundant neuropeptide in the CNS. Orexigenic via Y1R/Y5R on PVN; anxiolytic via Y1R on amygdala; vasoconstrictor co-released with NE from sympathetic terminals; stress-resilience peptide.