A, examples of SUZ12 IHC staining in normal human ovarian surface epithelium, fallopian tube epithelium and human EOC (shown is an example of high-grade serous histosubtype EOC specimen). Bar = 100 μm. B, representative images from consecutive, serial sections of the same EOC specimen depicting the positive correlation between expression of SUZ12 and expression of EZH2 and Ki67, a cell proliferation marker. Bar = 100 μm. C, A higher SUZ12 expression correlates with a shorter overall survival in EOC patients. The univariate overall survival curve (Kaplan-Meier method) for EOC patients with high (n = 22) or low (n = 28) SUZ12 expression based on median levels of mRNA expression determined by qRT-PCR in a cohort of 50 EOC patients (p = 0.0078). The p value was calculated based on Log-rank (Mantel-Cox) test using GraphPad Prism version 5.0 software.