<p>Experiments were performed in the same way as described in the legend for <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0124129#pone.0124129.g003" target="_blank">Fig 3</a>. nNOS was stained. The photo of the negative control (Negative Cont) is also shown in which the incubation with primary antibody against nNOS was omitted. Scale bar = 40 μmeter.</p