KDM2A and breast carcinoma: Figure 6B shows marked staining of HP1γ in both neoplastic and non-neoplastic areas. Staining of HP1γ was found in the nuclear regions of cells in both neoplastic and non-neoplastic areas. Staining indexes of HP1γ in 39 neoplastic areas were determined (Table 1). All specimens scored 6–8 on a scale of 8 on HP1γ staining (HP1γ score), and no specimen with HP1γ scored below 6. These results demonstrate that the expression of HP1γ in breast carcinomas was maintained during carcinogenesis, as well as that of KDM2A [20].