CDKN1B and neoplasm: In addition, we found that high levels of B56γ was detected in 16 (59%) of 27 and 7 (58%) of 12 specimens with high total p27 expression in non-tumor and tumor parts, respectively, but high levels of B56γ was only detected in 3 (14%) of the 21 and 9 (27%) of 33 specimens with low total p27 expression in non-tumor and tumor parts, respectively (Figure 8A and C upper panel), consistent with our previous finding that B56γ3 positively regulates p27 levels [15].