Cyclic mRNA expression of thyrotropin subunits and deiodinases in red drum, Sciaenops ocellatus

Highlights • T4 circulates with a robust daily rhythm in red drum. • Pituitary TSH subunit gene expression cycles inversely to this T4 cycle. • Pituitary Dio3 , but not Dio2 , expression mirrors the TSH subunit cycle. • Dio3 may play a pivotal role in feedback regulation of TSH subunit expression....

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Bibliographic Details
Published in:General and comparative endocrinology 2013-12, Vol.194, p.248-256
Main Authors: Jones, R.A, Cohn, W.B, Miller, T.C, Jaques, J.T, MacKenzie, D.S
Format: Article
Language:English
Subjects:
Animals
Circadian
Deiodinase
Endocrinology & Metabolism
enzyme inactivation
Fish
gene expression
Iodide Peroxidase - genetics
Iodothyronine Deiodinase Type II
messenger RNA
Perciformes - metabolism
photophase
Phylogeny
Pituitary Gland - metabolism
quantitative polymerase chain reaction
RNA, Messenger - genetics
Sciaenops ocellatus
scotophase
secretion
thyroid function
thyroid gland
Thyroid hormone
Thyrotropin
Thyrotropin - genetics
thyroxine
Thyroxine - genetics
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Summary:Highlights • T4 circulates with a robust daily rhythm in red drum. • Pituitary TSH subunit gene expression cycles inversely to this T4 cycle. • Pituitary Dio3 , but not Dio2 , expression mirrors the TSH subunit cycle. • Dio3 may play a pivotal role in feedback regulation of TSH subunit expression.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2013.09.017