Characterization, tissue distribution and regulation by fasting of the agouti family of peptides in the sea bass ( Dicentrarchus labrax )

Highlights • Sea bass has orthologhe genes for ASIP1, ASIP2, AGRP1 and AGRP2. • All four melanocortin antagonist are expressed in the brain. • Hypothalamic AGRP1 and AGRP2 are up- and down-regulated by fasting, respectively. • Fasting had no effect on hypothalamic ASIP1 expression. • Hypothalamic AS...

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Bibliographic Details
Published in:General and comparative endocrinology 2014-09, Vol.205, p.251-259
Main Authors: Agulleiro, Maria Josep, Cortés, Raúl, Leal, Esther, Ríos, Diana, Sánchez, Elisa, Cerdá-Reverter, José Miguel
Format: Article
Language:English
Subjects:
Agouti-related protein
Agouti-Related Protein - chemistry
Agouti-Related Protein - genetics
Agouti-Related Protein - metabolism
Agouti-signaling protein
Amino Acid Sequence
Animals
Base Sequence
Bass - genetics
Bass - metabolism
Brain - cytology
Brain - metabolism
Endocrinology & Metabolism
Fasting - physiology
Fish
Food intake
Gene Expression Profiling
Gene Expression Regulation
Melanocortin
Molecular Sequence Data
Peptides - chemistry
Peptides - genetics
Peptides - metabolism
Phylogeny
Pigmentation
Real-Time Polymerase Chain Reaction
RNA, Messenger - metabolism
Sequence Alignment
Tissue Distribution
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Summary:Highlights • Sea bass has orthologhe genes for ASIP1, ASIP2, AGRP1 and AGRP2. • All four melanocortin antagonist are expressed in the brain. • Hypothalamic AGRP1 and AGRP2 are up- and down-regulated by fasting, respectively. • Fasting had no effect on hypothalamic ASIP1 expression. • Hypothalamic ASIP2 expression is up-regulated by short term fasting.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2014.02.009