Fig. 7. Redox metabolism in the mouse zygote. Schematic representation of
the metabolic pathways producing NADH, NADPH and GSH functioning in the
cytosol and mitochondria of a mouse oocyte. See discussion for details. GSH,
reduced glutathione, GSSG, oxidised glutathione, GPx, glutathione peroxidase,
GR, glutathione reductase; H2O2, hydrogen peroxide;
O2·-, superoxide.