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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: J Neurochem. 2009 May 3;110(1):363–377. doi: 10.1111/j.1471-4159.2009.06140.x

Fig. 2.

Fig. 2

ERK2 phosphorylation, like AMPAR surface expression, is increased in the NAc of sensitized rats (SENS) on WD7 and WD21 compared with non-sensitized (NON) and saline (SAL) rats. (a–c) PhosphoERK2 normalized to total ERK2 protein (pERK2/ERK2). (d–f) pERK2 normalized to total protein in the lane (pERK2/total protein). (g–i) Total ERK2 levels normalized to total protein in the lane (ERK2/total protein). WD 1: SAL (n = 12), SENS (n = 7), NON (n = 9); WD 7: SAL (n = 16), SENS (n = 12), NON (n = 16); WD 21: SAL (n = 17), SENS (n = 10), NON (n = 12). Data (mean + SEM) are normalized to SAL controls.*p < 0.05, **p < 0.01, significantly different from SAL group.