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| Ishigame, T; Takabatake, N; Iseki, H; Ota, N; Koyama, A; Igarashi, I; Nishikawa, Y; Ikehara, Y; Kojima, N; Yokoyama, N; 五十嵐, 郁男; 西川, 義文; 横山, 直明. |
| Oligomannose-coated liposome (OML)-based vaccines have been reported to induce Th1-based immunity against entrapped antigens in immunized animals and to show protective effects against several protozoal diseases. In the present study, we produced a recombinant Babesia rodhaini ribosomal phosphoprotein P0 (rBrP0) that showed immunological cross reactivity with another rodent Babesia parasite, B. microti. We evaluated the efficacy of vaccination with OML-entrapped rBrP0 on B. rodhaini and B. microti infections in mice. Prior immunization with the OML-based rBrP0 vaccine, or with a Freund’s adjuvant-based rBrP0 vaccine, failed to demonstrate any protective effect against lethal infection with B. rodhaini, but the OML-based vaccine did induce protective... |
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Palavras-chave: Oligomannose-coated liposomes (OML); Vaccine; Babesiosis; Babesia rodhaini; Babesia microti; P0. |
| Ano: 2009 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2383 |
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| Khukhuu, A; Sivakumar, T; Alhassan, A; Ota, N; Yokoyama, N; Igarashi, I; 横山, 直明; 五十嵐, 郁男. |
| Recently, Babesia bovis genome project identified a novel gene, which is homologous to the gene encoding sporozoite P36 antigen in Plasmodium parasites. In the present study, we isolated the P36 homologous gene from the genomic DNA of B. bovis and designated it as the BvP36 gene. The sequence of the BvP36 gene was identical to that reported previously. This gene was expressed in an Escherichia coli system to produce a recombinant protein (rBvP36). The rBvP36 protein was produced as a highly soluble form in E. coli and was detected by western blot analyses of sera collected from cattle experimentally infected with B. bovis and B. bigemina merozoites. In indirect immunofluorescence tests, sera collected from mice immunized with rBvP36 showed strong reactions... |
| Ano: 2009 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2385 |
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