PMID: 12770616May 29, 2003Paper

Effects of dopamine agonists bromocriptine, pergolide, cabergoline, and SKF-38393 on GDNF, NGF, and BDNF synthesis in cultured mouse astrocytes

Life Sciences
Kiyoe OhtaMitsuhiro Ohta

Abstract

We examined the stimulatory effects of the dopamine agonists bromocriptine, pergolide, cabergoline, and SKF-38393 on the synthesis and secretion of neurotrophic factors (nerve growth factor, NGF; brain-derived neurotrophic factor, BDNF; and glial cell line-derived neurotrophic factor, GDNF) in cultured mouse astrocytes, and clarified the role of dopamine D1 and D2 receptors in these effects. Bromocriptine, a D2 agonist, elevated NGF levels in the culture medium 6.8-fold vs. control, and significantly decreased GDNF and BDNF levels, at 24 h. Both pergolide, a D1/D2 agonist, and cabergoline, a D2/weak D1 agonist, rapidly elevated NGF and GDNF levels at 4-6 h, respectively to 21- and 1.5-fold, respectively, and 84- and 9-fold, respectively, of control levels at 24 h. SKF-38393, a D1 agonist, elevated NGF and GDNF levels to 20- and 2.8-fold of controls, respectively, at 24 h. Relative levels of NGF and GDNF mRNA detected by Northern blot analysis or semiquantitative reverse transcriptase-polymerase chain reaction confirmed that increases in levels of the 2 proteins in culture medium were due to overexpression as opposed to leakage from cells. Cabergoline rapidly increased GDNF mRNA expression at 4 h, producing a potent and long-las...Continue Reading

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Citations

Sep 3, 2004·Drugs·Monique P Curran, Caroline M Perry
Jan 13, 2009·Pharmacology & Therapeutics·Sebastien Carnicella, Dorit Ron
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Jul 22, 2018·Biochemical Pharmacology·Maria BoveLuigia Trabace
Aug 28, 2021·International Journal of Molecular Sciences·Masato Asanuma, Ikuko Miyazaki

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