Research Article

Oxidative Stress Delays Prometaphase/Metaphase of the First Cleavage in Mouse Zygotes via the MAD2L1-Mediated Spindle Assembly Checkpoint

Figure 2

γH2AX detection in mouse zygotes at 17 hpi. Nuclei were stained with DAPI (blue). γH2AX staining was detected in the nuclei of H2O2-treated embryos, but not in those of the control group.