Neuronal death was not observed in either WT or TRPM2-KO mice at day 28 after BCAS. A–D, Representative images of NeuN-positive neurons in CA1 (A), CA3 (B), DG (C), and cerebral cortex (D) at 28 d after BCAS. E–H, The number of NeuN-positive cells measured in each area. Values are mean ± SEM. n = 3–6.