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Synaptic localization of cytochromes P450 (17α), P450arom, P450 (c21), and P450 (11β1) in the hippocampus. Immunoelectron microscopic analysis of the distribution of P450 (17α) (A), P450arom (B), P450 (c21) (C), and P450 (11β1) (D) within synapses, in the hippocampal CA1 region. Gold particles (indicated by arrow heads) are observed in the presynaptic region (Pre), and the postsynaptic region (Post). Scale bar: 200 nm. Modified from Hojo et al. (2004), Higo et al. (2011).
