Figure 4. Protein expression analysis of TPX2 in the HPA database. (A) TPX2 was detected in nucleoplasm, cytokinetic bridge and mitotic spindle. (B) Immunofluorescence staining of the subcellular localization of TPX2 in RH-30 and U-2 OS tumor cells. (C) Representative immunohistochemical staining of TPX2 in normal and tumor tissues of different cancer types.