Lipid peroxidation in the inner retina (i.e., GCL and IPL) of GPx4^+/− and GPx4^+/+ mice treated with vehicle or NMDA.

<p>(A) 4-HNE, as an indicator of lipid peroxidation, detected by immunohistochemistry using antibodies for 4-HNE. Scale bar, 30 μm. (B) Quantification of the fluorescent intensities of 4-HNE. Data are mean ± SEM (n = 9–10). *p < 0.05.