Fig. 4. Effect of acute and chronic immobilization stress on COX-2 protein expression in DRG. The protein expression was analyzed by Western blot. The number of animals in each group was 6. β-Actin (1:1000 dilution) was used as an internal loading control. Signals were quantified with the use of laser scanning densitometry and expressed as a percentage of the control. Values are mean±SEM (*p<0.05, **p<0.01; compared to Control group).
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