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The present study investigated the phosphorylation pattern of mitogen-activated protein kinase (MAPK) in cumulus-oocyte complexes (COCs) during spontaneous and FSH/LH-induced in vitro maturation (IVM). Both isoforms of MAPK were unphosphorylated in oocytes recovered immediately after liberation from follicles and became phosphorylated following 25 h(More)
The overall objective was to elucidate the phosphorylation pattern and activity of the kinase p90rsk, a substrate of mitogen-activated protein kinase (MAPK), during in vitro and in vivo maturation of pig oocytes. Cumulus-oocyte complexes were collected from slaughtered pigs and matured in vitro (0, 22, 26, 30, 34, 46 h) with and without the MEK inhibitor(More)
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