Dietary antioxidants attenuate the endocrine stress response during long-duration flight of a migratory bird.
HPA axis
anthocyanin
antioxidants
corticosterone
exercise
flight
Journal
Proceedings. Biological sciences
ISSN: 1471-2954
Titre abrégé: Proc Biol Sci
Pays: England
ID NLM: 101245157
Informations de publication
Date de publication:
24 06 2020
24 06 2020
Historique:
entrez:
18
6
2020
pubmed:
18
6
2020
medline:
2
9
2020
Statut:
ppublish
Résumé
Glucocorticoids (GCs) are metabolic hormones that promote catabolic processes, which release stored energy and support high metabolic demands such as during prolonged flights of migrating birds. Dietary antioxidants (e.g. anthocyanins) support metabolism by quenching excess reactive oxygen species produced during aerobic metabolism and also by activating specific metabolic pathways. For example, similar to GCs' function, anthocyanins promote the release of stored energy, although the extent of complementarity between GCs and dietary antioxidants is not well known. If anthocyanins complement GCs functions, birds consuming anthocyanin-rich food can be expected to limit the secretion of GCs when coping with a metabolically challenging activity, avoiding the exposure to potential hormonal detrimental effects. We tested this hypothesis in European starlings (
Identifiants
pubmed: 32546088
doi: 10.1098/rspb.2020.0744
pmc: PMC7329026
doi:
Substances chimiques
Antioxidants
0
Banques de données
Dryad
['10.5061/dryad.j9kd51c8q']
figshare
['10.6084/m9.figshare.c.5004815']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
20200744Références
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