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In order to investigate the anti-tumor angiogenesis activity with a recombinant Ag43/FGFR1 chimeric protein(AF)vaccine in a mouse H22 hepatoma model,tumor volume and survival rate of the mice were studied at a 3-day interval,Microvessel density(MVD)was detected by immunohistochemistry.The endothelial deposition of autoantibodies within tumor tissues was examined by immunofluorescent staining,and anti-FGFR1 antibody-producing B cells(APBCs)were tested by enzyme-linked immunospot(ELISPOT)assay.Compared with the three control groups,the tumor volume was significantly decreased and the survival time was significantly prolonged in AF-immunized group(P