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The Oral Vaccination of HBV by Cherry Tomatillo transformed with HBsAg
Author(s): GAO Yi, MA Ying, LI Mei, CHENG Tong, LI Shaowei, ZHANG Jun, XIA Ningshao
Pages: 31-
35
Year: 2003
Issue:
1
Journal: CHINESE JOURNAL OF VIROLOGY
Keyword: 墨西哥酸浆; 遗传转化; 口服疫苗; 乙型肝炎病表表面抗原(HBsAg);
Abstract: 以墨西哥酸浆子叶作为外植体,与农杆菌EHA105(含质粒p1301HBs)共培养3天,通过延迟筛选的方法用潮霉素加压直接诱导成芽,抗性芽经诱导生根获得转化植株.经PCR、Southern点杂交等分子检测,证实目的基因已整合到墨西哥酸浆基因组中.ELISA检测证实了在墨西哥酸浆中表达的HBsAg具有较好的活性.初步比较了目的基因在转化植株、不同器官的表达水平差异.取注射初免1次但抗体水平明显下降的Babl/c小鼠,口服饲喂加强免疫,有明显的特异性抗体回升反应.表明转基因墨西哥酸浆疫苗作为口服加强免疫具有重要的理论和实用价值.
Citations
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