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. 2016 Jul 29;15(18):2454–2463. doi: 10.1080/15384101.2016.1201255

Figure 1.

Figure 1.

Aneuploidy is increased and has no effect on GVBD and PBE in aged oocytes. (A) Numbers analyzed are indicated above the bars. The data were analyzed using a chi-square test. The experiments were repeated more than 3 times. ** P < 0.01. (B) Kinetics of germinal vesicle breakdown (GVBD). GV-stage oocytes were isolated in M2 medium containing dbcAMP, which inhibits GVBD, and were released into inhibitor-free medium (at time = 0). The number of oocytes examined is indicated (n). (C) Kinetics of polar body extrusion (PBE). Oocytes that had undergone GVBD within 1.5 h after release into dbcAMP-free M16 medium were selected (at time = 0). The number of oocytes examined is indicated (n).