Abstract:
:The dorsomedial hypothalamic nucleus harbors leptin sensitive neurons and is intrinsically connected to hypothalamic nuclei involved in feeding behavior. However, it also receives ascending input from the visceroceptive neurons of the brainstem. We have identified a unique glucagon-like-peptide-2 containing neuronal pathway connecting the nucleus of the solitary tract with the dorsomedial hypothalamic nucleus. A glucagon-like-peptide-2 fiber plexus targets neurons expressing its receptor within the dorsomedial hypothalamic nucleus. Pharmacological and behavioral studies confirmed that glucagon-like-peptide-2 signaling is a specific transmitter inhibiting rodent feeding behavior and with potential long-term effects on body weight homeostasis. The glucagon-like-peptide-1 receptor antagonist, Exendin (9-39) is also a functional antagonist of centrally applied glucagon-like-peptide-2.
journal_name
Nat Medjournal_title
Nature medicineauthors
Tang-Christensen M,Larsen PJ,Thulesen J,Rømer J,Vrang Ndoi
10.1038/77535keywords:
subject
Has Abstractpub_date
2000-07-01 00:00:00pages
802-7issue
7eissn
1078-8956issn
1546-170Xjournal_volume
6pub_type
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