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Ampk Regulation Of Mouse Oocyte Meiotic Resumption In Vitro, Jing Chen, Emma R. Hudson, Maggie M. Chi, Aimee S. Chang, Kelle H. Moley, D. Grahame Hardie, Stephen M. Downs
Ampk Regulation Of Mouse Oocyte Meiotic Resumption In Vitro, Jing Chen, Emma R. Hudson, Maggie M. Chi, Aimee S. Chang, Kelle H. Moley, D. Grahame Hardie, Stephen M. Downs
Biological Sciences Faculty Research and Publications
We have previously shown that the adenosine analog 5-aminoimidazole-4-carboxamide-1-β-d-ribofuranoside (AICAR), an activator of AMP-activated protein kinase (AMPK), stimulates an increase in AMPK activity and induces meiotic resumption in mouse oocytes [Downs, S.M., Hudson, E.R., Hardie, D.G., 2002. A potential role for AMP-activated protein kinase in meiotic induction in mouse oocytes. Dev. Biol, 245, 200–212]. The present study was carried out to better define a causative role for AMPK in oocyte meiotic maturation. When microinjected with a constitutively active AMPK, about 20% of mouse oocytes maintained in meiotic arrest with dibutyryl cAMP (dbcAMP) were stimulated to undergo germinal vesicle breakdown (GVB), …