Immunohistochemical analysis of paraffin-embedded OVCAR8 cell pellets treated with Human Tumor Necrosis Factor-α (hTNF-α) #8902 (left) or treated with SignalSilence<sup>®</sup> NF-κB p65 siRNA I #6261 (right), using NF-κB p65 (L8F6) Mouse mAb.