Fig. 2. Pharmacological inhibition of proteasomal degradation favors sRB formation. N[µ
CH1] cells were cultured for 24 hours with or without 1 mM sodium butyrate (NaBut). Aliquots of cells treated with NaBut were exposed to MG132 for the last 2 hours in culture. The histogram depicts the percentage of cells containing µ
CH1 sRB structures and represents the average of two independent experiments.