发明申请
WO2009026723A1 ANTIGENIC COMPOSITIONS AND USE OF SAME IN THE TARGETED DELIVERY OF NUCLEIC ACIDS
审中-公开
基本信息:
- 专利标题: ANTIGENIC COMPOSITIONS AND USE OF SAME IN THE TARGETED DELIVERY OF NUCLEIC ACIDS
- 专利标题(中):抗原组合物及其在定向递送核酸中的用途
- 申请号:PCT/CA2008/001547 申请日:2008-08-29
- 公开(公告)号:WO2009026723A1 公开(公告)日:2009-03-05
- 发明人: RAJAN, George
- 申请人: VIREXX MEDICAL CORP. , HIRSCHE, Bruce , RAJAN, George
- 申请人地址: 8223 Roper Road Edmonton, Alberta T6E 6S4 CA
- 专利权人: VIREXX MEDICAL CORP.,HIRSCHE, Bruce,RAJAN, George
- 当前专利权人: VIREXX MEDICAL CORP.,HIRSCHE, Bruce,RAJAN, George
- 当前专利权人地址: 8223 Roper Road Edmonton, Alberta T6E 6S4 CA
- 代理机构: PARLEE MCLAWS LLP
- 优先权: US60/968,978 20070830
- 主分类号: C12N15/87
- IPC分类号: C12N15/87 ; A61K31/7088 ; A61K31/7105 ; A61K35/76 ; A61K39/00 ; A61K39/12 ; A61K39/385 ; A61K47/48 ; A61K48/00 ; A61P31/12 ; A61P35/00 ; A61P37/04 ; C07K14/02 ; C07K16/28 ; C07K19/00 ; C12N15/11 ; C12N15/85
摘要:
Methods and compositions are provided for delivery of therapeutic nucleic acids to a target cell. A chimeric antigen is provided to encapsulate, bind, or otherwise carry a nucleic acid molecule to a target cell where the chimeric antigen and nucleic acid are internalized by receptor-mediated endocytosis. The chimeric antigen has a nucleic acid interaction domain, a target binding domain, and an immune response domain that may include a target antigen. Targeting is generally provided by the specificity of the target binding domain for a particular target cell receptor, but may also be provided by inclusion of a targeting antigen within the immune response domain. The combined delivery of chimeric antigen and nucleic acid, which may be a siRNA, may be synergistic in certain applications, for example in breaking host tolerance to a virus or in providing immunostimulation.
摘要(中):
提供了将治疗性核酸递送至靶细胞的方法和组合物。 提供嵌合抗原来将核酸分子包封,结合或以其他方式携带到靶细胞,其中嵌合抗原和核酸通过受体介导的内吞作用而内化。 嵌合抗原具有核酸相互作用结构域,靶结合结构域和可包括靶抗原的免疫应答结构域。 靶向通常由特异性靶细胞受体的靶结合结构域的特异性提供,但也可以通过在免疫应答结构域内包含靶向抗原来提供。 嵌合抗原和核酸(其可以是siRNA)的组合递送在某些应用中可能是协同的,例如在破坏宿主对病毒的耐受性或提供免疫刺激方面。