ArticleThe Journal of reproduction and development2020
Gpr120 mRNA expression in gonadotropes in the mouse pituitary gland is regulated by free fatty acids.
Article in The Journal of reproduction and development, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Agonism of FFA4/GPR120 activates tyrosine hydroxylase and confers neuroprotection from 6-OHDA-induced cytotoxicity in PC12 cells and in a rat 6-OHDA model of Parkinson's disease.Biochemical pharmacology · 2026Article
- Central administration of docosahexaenoic acid, eicosapentaenoic acid, or linoleic acid activates hypothalamic fatty acid sensing and is involved in reproductive regulation in spotted scat (Scatophagus argus).Fish physiology and biochemistry · 2025Article
- Potential Therapeutic Exploitation of G Protein-Coupled Receptor 120 (GPR120/FFAR4) Signaling in Obesity-Related Metabolic Disorders.International journal of molecular sciences · 2025Review
- Pituitary corticotroph identity and receptor-mediated signaling: a transcriptomics perspective.Current opinion in endocrine and metabolic research · 2022Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
GPR120 is a long-chain fatty acid (LCFA) receptor that is specifically expressed in gonadotropes in the anterior pituitary gland in mice. The aim of this study was to investigate whether GPR120 is activated by free fatty acids in the pituitary of mice and mouse immortalized gonadotrope LβT2 cells. First, the effects of palmitate on GPR120, gonadotropic hormone b-subunits, and GnRH-receptor expression in gonadotropes were investigated in vitro. We observed palmitate-induced an increase in Gpr120 mRNA expression and a decrease in follicle-stimulating hormone b-subunit (Fshb) expression in LβT2 cells. Furthermore, palmitate exposure caused the phosphorylation of ERK1/2 in LβT2 cells, but no significant changes were observed in the expression levels of luteinizing hormone b-subunit (Lhb) and gonadotropin releasing hormone-receptor (Gnrh-r) mRNA and number of GPR120 immunoreactive cells. Next, diurnal variation in Gpr120 mRNA expression in the male mouse pituitary gland was investigated using ad libitum and night-time restricted feeding (active phase from 1900 to 0700 h) treatments. In ad libitum feeding group mice, Gpr120 mRNA expression at 1700 h was transiently higher than that measured at other times, and the peak blood non-esterified fatty acid (NEFA) levels were observed from 1300 to 1500 h. These results were not observed in night-time-restricted feeding group mice. These results suggest that GPR120 is activated by LCFAs to regulate follicle stimulating hormone (FSH) synthesis in the mouse gonadotropes.
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