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    • 1. 发明申请
    • VACCINE COMPOSITIONS AND METHODS OF USE THEREOF
    • 疫苗组合物及其使用方法
    • WO2010115046A2
    • 2010-10-07
    • PCT/US2010029694
    • 2010-04-01
    • UNIV MIAMIDAFTARIAN PIROUZ MOHAMMADSERAFINI PAOLOLEMMON VANCE PAULLI WEIKAIFER ANGELBLOMBERG BONNIE BETHPEREZ VICTOR L
    • DAFTARIAN PIROUZ MOHAMMADSERAFINI PAOLOLEMMON VANCE PAULLI WEIKAIFER ANGELBLOMBERG BONNIE BETHPEREZ VICTOR L
    • A61K39/145
    • A61K39/0011A61K39/12A61K39/145A61K2039/53A61K2039/55516A61K2039/55555A61K2039/645C08G83/006C12N2760/16022C12N2760/16034G01N2333/70539
    • Nanoparticle -based vaccines, compositions, kits and methods are used for the effective delivery of one or more antigens in vivo for vaccination and antibody (e.g., monoclonal antibody) production, and for the effective delivery of peptides, proteins, siRNA, RNA or DNA to PAPCs or MHC class II positive cells (e.g. tumor cells). Antigens may be, for example, DNA that results in expression of the gene of interest and induction of a robust and specific immune response to the expressed protein in a subject (e.g., mammal). Antigens may also be immunogenic peptides or polypeptides that are processed and presented. In one embodiment, a nanoparticle -based method to deliver antigens in vivo as described herein includes injection of a vaccine composed of a DNA encoding at least one antigen, or at least one antigenic peptide or polypeptide conjugated to a charged dendrimer (e.g., PADRE-derivatized dendrimer) that is also conjugated to a T helper epitope (e.g., PADRE). Negatively-charged plasmids bind naturally to a positively-charged PADRE-dendrimer, while peptide or polypeptide antigens can be chemically linked to the PADRE-dendrimer if they are not negatively-charged. Alternatively, negatively-charged dendrimers may be used. The compositions, kits, vaccines and methods described herein have both prophylactic and treatment applications, i.e., can be used as a prophylactic to prevent onset of a disease or condition in a subject, as well as to treat a subject having a disease or condition. A vaccine as described herein can be used to mount an immune response against any infectious pathogen or cancer.
    • 基于纳米颗粒的疫苗,组合物,试剂盒和方法用于体内有效递送一种或多种抗原用于疫苗接种和抗体(例如单克隆抗体)生产以及有效递送肽,蛋白质,siRNA,RNA或DNA 到PAPC或MHC II类阳性细胞(例如肿瘤细胞)。 例如,抗原可以是导致感兴趣基因表达并诱导受试者(例如哺乳动物)中所表达的蛋白质的强烈和特异性免疫应答的DNA。 抗原也可以是经过处理和呈递的免疫原性肽或多肽。 在一个实施方案中,如本文所述的体内递送抗原的基于纳米粒子的方法包括注射由编码至少一种抗原的DNA组成的疫苗或缀合至带电荷的树状聚体的至少一种抗原性肽或多肽(例如PADRE- 衍生的树枝状聚合物),其也与T辅助表位(例如,PADRE)缀合。 带负电荷的质粒自然结合带正电荷的PADRE-树状聚体,而肽或多肽抗原可以化学连接至PADRE-树状聚合物(如果它们不带负电荷的话)。 或者,可以使用带负电的树枝状聚合物。 本文所述的组合物,试剂盒,疫苗和方法具有预防和治疗应用,即可用作预防以预防对象中疾病或病症的发作,以及治疗患有疾病或病症的对象。 如本文所述的疫苗可用于产生针对任何感染性病原体或癌症的免疫应答。