Fig. 8. Examples of mineralocorticoid receptor (MR) immunohistochemistry of cultured neurons under the same conditions as used for electrophysiological recordings. Neurons isolated from normal dorsal root ganglia showed less MR expression in the nucleus compared with neurons isolated from inflamed dorsal root ganglias (postoperative day 1; Zym) or with neurons isolated from normal dorsal root ganglia and treated in vitro with 10 nM aldosterone (Aldo). Scale bar = 50 μm. Zym = zymosan.