From: Cumulus expansion, nuclear maturation and connexin 43, cyclooxygenase-2 and FSH receptor mRNA expression in equine cumulus-oocyte complexes cultured in vitro in the presence of FSH and precursors for hyaluronic acid synthesis
Maturation medium
Nuclear maturation rate % (n° of oocytes)
Cumulus expansion rate % (n° of oocytes)
Control
70% (21) a
42% (21) a
Control + 1 μg/ml eFSH
62% (21) a
48% (21) a
Control without BSA with 20% FCS
74% (27) a
83% (29) b