3. In vitro maturation of oocytes

HL Hwa-Yeon Lee
HB Hyo-Kyung Bae
BJ Bae-Dong Jung
SL Seunghyung Lee
CP Choon-Keun Park
BY Boo-Keun Yang
HC Hee-Tae Cheong
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Porcine cumulus-oocyte complexes (COCs) were collected from the follicles (3-6 mm diameter) and cultured in 500 μL droplets of in vitro maturation (IVM) medium overlaid with paraffin oil at 39℃, 5% CO2 in air for 42-44 h. The IVM medium was Tissue Culture Medium 199 (TCM199; Gibco) supplemented with 0.1% polyvinyl alcohol (PVA), 3.05 mM D-glucose, 0.91 mM Na-pyruvate, 75 μg/mL penicillin G, 50 μg/mL streptomycin, 0.57 mM cysteine, 10 ng/mL epidermal growth factor, 0.5 μg/mL luteinizing hormone, and 0.5 μg/mL follicle stimulating hormone.

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