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GNRH1 — PRKAA1
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Roland et al., Endocrinology 2011
(Prenatal Exposure Delayed Effects) :
To assess whether
AMPK activation
contributed to the metformin induced reduction in
GnRH neuron activity, the AMPK antagonist compound C was acutely applied to cells
Andrade et al., Mol Endocrinol 2013
:
Using LßT2 cells, we show that
GnRH rapidly ( 5 minutes )
triggers activating phosphorylation of
AMP activated protein kinase (AMPK) up to 5-fold ; this stimulation is enhanced by insulin through increased total AMPKa levels and activity ... Finally, in primary mouse pituitary cells,
GnRH also stimulates AMPK, and
AMPK inhibition
suppresses GnRH stimulated LHß transcription ... These studies indicate a novel
role for
AMPK in GnRH stimulated transcription in pituitary gonadotropes and a potential common mechanism for
GnRH and metabolic modulation of fertility