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A–D. VRK1-stained tumor tissues were assigned a score of 0 (A, negative staining), 1 (B, < 5% staining), 2 (C, < 25% staining) or 3 (D, 25–50% staining). E. Levels of VRK1 were compared between non-tumor and HCC tissue using immunohistochemistry. Representative images of VRK1-stained tissues were obtained at a magnification of 200x. Scale bar indicates 50 μm.
