Ventral hippocampal NPY interneurons regulate circadian feeding in mice - PubMed
9 hours ago
- #neuropeptide Y interneurons
- #ventral hippocampus
- #circadian feeding
- Ventral hippocampal NPY interneurons (NPY-INs) regulate circadian feeding in mice.
- NPY-INs exhibit diurnal activity fluctuations, disrupted under chronic circadian disruption.
- Feeding regulation involves NPY signaling during the light phase and GABA signaling during the dark phase.
- NPY-INs receive inputs from the medial preoptic area (MPOA) and project to the ventral subiculum (vSub).
- NPY1R and NPY2R signaling in the vSub mediates feeding behavior.
- Findings highlight vHPC NPY-INs as a critical hub linking circadian regulation and energy balance.