ArticleJournal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban2010
Anti-tumor angiogenesis with a recombinant ag43/FGFR1 chimeric protein as a model antigen.
Article in Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
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<0.05). The number of APBCs in AF-immunized mice (129.6+/-10.9) was more than in controls [6.2+/-1.1 (FGFR1), 6.0+/-1.2 (Ag43) and 5.2+/-1.4 (NS), P<0.01]. Moreover, the endothelial deposition of autoantibodies was found in tumor tissues from AF-immunized mice, but not in control groups. MVD in AF-immunized group was significantly lower than in FGFR1-immunized group, Ag43-immunized group and NS group (10.3+/-3.1 vs 39.4+/-8.6 vs 42.3+/-9.8 and 43.6+/-10.6, P<0.01). These findings demonstrated that the AF protein vaccine effectively inhibited tumor angiogenesis and growth via production of autoantibodies against self-FGFR1.
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