Meiotic arrest maintained by cAMP during the initiation of maturation enhances meiotic potential and developmental competence and reduces polyspermy of IVM/IVF porcine oocytes

Abstract excerpt

We investigated effects of invasive adenylate cyclase (iAC), 3-isobutyl-1-methylxanthine (IBMX) and dibutyryl cyclic AMP (dbcAMP) on porcine oocyte in vitro maturation (IVM), in vitro fertilisation (IVF) and subsequent embryonic development. Porcine oocytes were collected in Hepes-buffered NCSU-37 supplemented with or without 0.1 microg/ml iAC and 0.5 mM IBMX. IVM was performed in a modified NCSU-37 supplemented...

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