Figure 4.

Cell death events in the unlaid Xenopus eggs. The features of classical apoptosis, such as cytochrome c release and caspase activation monitored over 72 hours after hormonal stimulation, are presented in panels (a) and (b). The dynamics of ADP/ATP ratio, intracellular pH and egg diameter are shown in (c), (d) and (e), respectively. In all panels, “O” refers to the oocytes isolated from the ovaries of ovulating animals. Bars in panel (d) represent the range of pH readings taken by two persons in double-blind trials and data in panel (d) are means
    +
SD obtained by measurement of five to seven eggs.

Iguchi et al. BMC Cell Biology 2013 14:11   doi:10.1186/1471-2121-14-11
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