Nutrient-sensing AgRP neurons relay control of liver autophagy during energy deprivation.
AgRP neurons
CRH neurons
HPA axis
NPY1R
autophagy
corticosterone
hypothalamus
liver metabolism
non-cell autonomous
short-term fasting
Journal
Cell metabolism
ISSN: 1932-7420
Titre abrégé: Cell Metab
Pays: United States
ID NLM: 101233170
Informations de publication
Date de publication:
02 05 2023
02 05 2023
Historique:
received:
23
01
2023
revised:
01
03
2023
accepted:
27
03
2023
medline:
5
5
2023
pubmed:
20
4
2023
entrez:
19
04
2023
Statut:
ppublish
Résumé
Autophagy represents a key regulator of aging and metabolism in sensing energy deprivation. We find that fasting in mice activates autophagy in the liver paralleled by activation of hypothalamic AgRP neurons. Optogenetic and chemogenetic activation of AgRP neurons induces autophagy, alters phosphorylation of autophagy regulators, and promotes ketogenesis. AgRP neuron-dependent induction of liver autophagy relies on NPY release in the paraventricular nucleus of the hypothalamus (PVH) via presynaptic inhibition of NPY1R-expressing neurons to activate PVH
Identifiants
pubmed: 37075752
pii: S1550-4131(23)00124-9
doi: 10.1016/j.cmet.2023.03.019
pmc: PMC10173804
pii:
doi:
Substances chimiques
Agouti-Related Protein
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
786-806.e13Commentaires et corrections
Type : CommentIn
Informations de copyright
Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests The authors declare no competing interests.
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