Irisin-A Pancreatic Islet Hormone.
blood flow
irisin
pancreatic islets
vascular
Journal
Biomedicines
ISSN: 2227-9059
Titre abrégé: Biomedicines
Pays: Switzerland
ID NLM: 101691304
Informations de publication
Date de publication:
25 Jan 2022
25 Jan 2022
Historique:
received:
27
11
2021
revised:
17
01
2022
accepted:
19
01
2022
entrez:
25
2
2022
pubmed:
26
2
2022
medline:
26
2
2022
Statut:
epublish
Résumé
Irisin is a myokine involved in glucose homeostasis. It is primarily expressed in skeletal muscle, but also in the pancreas. This study aimed to elucidate its presence and role in the islets of Langerhans-i.e., its effect on insulin and glucagon secretion as well as on blood flow in the pancreas. The precursor of irisin, fibronectin type III domain-containing protein 5 (FNDC5), was identified in rat and human islets by both qPCR and immunohistochemistry. Both α- and β-cells stained positive for FNDC5. In human islets, we found that irisin was secreted in a glucose-dependent manner. Neither irisin nor an irisin-neutralizing antibody affected insulin or glucagon secretion from human or rat islets in vitro. The insulin and glucagon content in islets was not altered by irisin. The intravenous infusion of irisin in
Identifiants
pubmed: 35203466
pii: biomedicines10020258
doi: 10.3390/biomedicines10020258
pmc: PMC8869325
pii:
doi:
Types de publication
Journal Article
Langues
eng
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