Representative images of immunohistochemistry staining.

Eight weeks after the first passive immunization, mice were sacrificed and immunohistochemistry staining of VEGF, bFGF and CD34 (MVD) on the in situ HCC tissues were performed. (a–c) representative VEGF immunostaining images of LDA group, HDA group and control group, respectively (400×); (d–f) representative bFGF immunostaining images of LDA group, HDA group and control group, respectively (400×); (g–i) representative CD34 immunostaining images of LDA group, HDA group and control group, respectively (400×).