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Modulation of G protein α-subunit mRNA levels in discrete rat brain regions by cerebroventricular infusion of ginsenoside Rc and Rg1

Title
Modulation of G protein α-subunit mRNA levels in discrete rat brain regions by cerebroventricular infusion of ginsenoside Rc and Rg1
Authors
Nah S.-Y.Oh S.
Ewha Authors
오세관
SCOPUS Author ID
오세관scopus
Issue Date
2003
Journal Title
Neurochemical Research
ISSN
0364-3190JCR Link
Citation
vol. 28, no. 5, pp. 691 - 697
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We have investigated the effects of centrally administered ginsenoside Rc and Rg1 on the modulation of G protein expression in the central nervous system in rat brain. The effects of continuous infusion of ginsenosides on the modulation of G protein α-subunit mRNA were investigated by using in situ hybridization study. Rats were infused with ginsenoside Rc or Rg1 (10 μg/10 μl/h, i.c.v.) for 7 days, through preimplanted cannula by osmotic minipumps. The level of Gαs mRNA was not changed by the infusion of ginsenoside Rc or Rg1. The level of Gαi mRNA was significantly elevated in frontal cortex and hippocampus following treatment with ginsenoside Rc as well as ginsenoside Rg1. However, the level of Gαo mRNA was significantly decreased in part of the hippocampus and cerebellum after the animals had received ginsenoside Rg1 infusion. These results suggest that prolonged infusion of ginsenosides could differentially modulate the expression of G protein α-subunit mRNA in rat brain in a regionspecific manner.
DOI
10.1023/A:1022801515017
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의학전문대학원 > 의학과 > Journal papers
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