<p>(A) Representative western blot of GSTA1 (∼25 KDa) and GST Pi (∼26 KDa) protein levels in GSTA1-JNK complexes. Cells were transiently transfected with GSTA1 siRNA and non-specific (NS) siRNA for 72 h and treated with 10 mM NaB. GSTA1-JNK complexes were then pulled-down from cell lysates using c-Jun fusion beads. (B) Representative western blot of phosphorylated JNK (∼54 KDa and 46 KDa) and phosphorylated p38 (∼43 KDa) protein expression in preconfluent Caco-2 cells with the treatment of 10 mM NaB. β-actin (∼42 KDa) was used as a protein loading control.</p
