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    • 6. 发明授权
    • Enhancement of B cell activation and immunoglobulin secretion by co-stimulation of receptors for antigen and EBV Gp350/220
    • 通过共刺激抗原和EBV Gp350 / 220的受体增强B细胞活化和免疫球蛋白分泌
    • US06432679B1
    • 2002-08-13
    • US09328599
    • 1999-06-10
    • James J. MondAndrew Lees
    • James J. MondAndrew Lees
    • C12P2104
    • A61K39/39A61K39/12A61K39/245A61K39/385A61K2039/51A61K2039/53A61K2039/55516A61K2039/6056A61K2039/6075C07K14/005C07K2319/00C12N2710/16222C12N2710/16234C12N2760/18534
    • The present invention provides vaccine adjuvants comprising the Epstein Barr Virus glycoprotein 350/220 or naturally occurring variants thereof, a fusion protein comprising EBV Gp350/220 sequence which binds to the CR2 receptor, or a synthetically-derived fragment of Gp350/220 which retains the ability to bind to the CR2 receptor. The present invention further provides immunostimulatory compositions comprising an EBV Gp350/220 adjuvant sequence that binds the CR2 complex and at least one antigen of interest other than Gp350/220. Co-administration of the adjuvant with an antigen of interest, other than an antigen comprising EBV 350/220 sequence, enhances the immunogenicitiy of the antigen. In a preferred embodiment, the adjuvant is directly or indirectly covalently bound to an antigen of interest to form an immunogenic composition. In a most preferred embodiment of the composition, antibodies are elicited against at least one Gp350/220 epitope and against at least one epitope of the antigen.
    • 本发明提供包含爱泼斯坦巴尔病毒糖蛋白350/220或其天然存在的变体的疫苗佐剂,包含与CR2受体结合的EBV Gp350 / 220序列的融合蛋白,或Gp350 / 220的合成衍生片段,其保留 与CR2受体结合的能力。 本发明进一步提供免疫刺激组合物,其包含结合CR2复合物和至少一种感兴趣的除Gp350 / 220之外的至少一种目的抗原的EBV Gp350 / 220佐剂序列。 佐剂与感兴趣的抗原(包括EBV 350/220序列的抗原)共同给药增强了抗原的免疫原性。 在优选的实施方案中,所述佐剂直接或间接共价结合于感兴趣的抗原以形成免疫原性组合物。 在组合物的最优选的实施方案中,针对至少一种Gp350 / 220表位并针对抗原的至少一个表位引发抗体。