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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Behav Brain Res. 2010 Nov 9;217(2):354–362. doi: 10.1016/j.bbr.2010.11.005

Figure 4.

Figure 4

(A) Relative levels of tyrosine hydroxylase (TH) messenger ribonucleic acid (mRNA) in the rostral to caudal subregions of the ventral tegmental area (VTA) of sedentary rats housed with a locked wheel (Sedentary; n = 9) or rats allowed access to a running wheel for 6 weeks (Exercised; n=10). Values represent mean integrated density ± standard error of measurement. * p < .01 with respect to Sedentary. Representative autoradiographs showing in situ hybridization for TH mRNA in the VTA of sedentary (B) and exercised (C) rats.