POLR2B and neoplasm: It is interesting to note that POLR2B was up-regulated in both cell lines, but not in the tumor (x(T) = 1.15; x(Φ) = 74.40; x(Θ) = 80.06), while TAF6 was down-regulated in both cell lines, but not in the tumor (x(T) = −1.02; x(Φ) = −1.91; x(Θ) = −3.24).