Figure 6. Immunohistochemical localization of OGG1 and APE1. Sectioned equals 7 μm thickness. OGG1 and APE1 were localized by immunohistochemistry within LECs and superficial fiber cells. A: Immunohistochemical localization of OGG1 in 2 months old rat lens. B: Immunohistochemical localization of OGG1 in 26 months old rat lens. C: Immunohistochemical localization of APE1 in 2 months old lens. D: Immunohistochemical localization of APE1 in 26 months old lens.