Expression of the long-chain fatty acid receptor GPR120 in the gonadotropes of the mouse anterior pituitary gland

G-protein-coupled receptor 120 (GPR120) has been known to be a receptor of long-chain fatty acids. Here, we investigated GPR120 expression in the mouse pituitary gland via real-time PCR, in situ hybridization, and immunohistochemistry. GPR120 mRNA was abundantly expressed in the pituitary gland of a...

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Veröffentlicht in:Histochemistry and cell biology 2015-01, Vol.143 (1), p.21-27
Hauptverfasser: Moriyama, Ryutaro, Deura, Chikaya, Imoto, Shingo, Nose, Kazuhiro, Fukushima, Nobuyuki
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container_end_page 27
container_issue 1
container_start_page 21
container_title Histochemistry and cell biology
container_volume 143
creator Moriyama, Ryutaro
Deura, Chikaya
Imoto, Shingo
Nose, Kazuhiro
Fukushima, Nobuyuki
description G-protein-coupled receptor 120 (GPR120) has been known to be a receptor of long-chain fatty acids. Here, we investigated GPR120 expression in the mouse pituitary gland via real-time PCR, in situ hybridization, and immunohistochemistry. GPR120 mRNA was abundantly expressed in the pituitary gland of ad-lib fed animals. In situ hybridization and immunohistochemistry revealed GPR120 expression in the gonadotropes of the anterior pituitary gland, but not in thyrotropes, somatotropes, lactotropes, corticotropes, melanotropes, and the posterior pituitary gland. Furthermore, 24 h of fasting induced an increase in GPR120 mRNA expression in the pituitary gland. These results demonstrate that GPR120 in mouse pituitary gonadotropes is upregulated by fasting and that it may play a role in controlling gonadotropin secretion.
doi_str_mv 10.1007/s00418-014-1257-3
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subjects Animals
Biochemistry
Biomedical and Life Sciences
Biomedicine
Cell Biology
Developmental Biology
Fatty acids
Gene expression
Gonadotrophs - cytology
Gonadotrophs - metabolism
Immunohistochemistry
In Situ Hybridization
Male
Mice
Mice, Inbred ICR
Neurons
Original Paper
Pituitary gland
Real-Time Polymerase Chain Reaction
Receptors, G-Protein-Coupled - biosynthesis
Receptors, G-Protein-Coupled - genetics
RNA, Messenger - biosynthesis
RNA, Messenger - genetics
title Expression of the long-chain fatty acid receptor GPR120 in the gonadotropes of the mouse anterior pituitary gland
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