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    • 8. 发明申请
    • Compositions and methods for the treatment and prophylaxis of multiple strains and subtypes of HIV-1
    • 用于治疗和预防HIV-1多重菌株和亚型的组合物和方法
    • US20090092626A1
    • 2009-04-09
    • US11891893
    • 2007-08-14
    • Gideon Goldstein
    • Gideon Goldstein
    • A61K39/00
    • A61K39/21A61K39/12A61K39/385A61K39/39A61K2039/54A61K2039/545A61K2039/55511A61K2039/6018C12N2740/16334
    • A self-adjuvanting immunogenic composition comprising multiple immunogens, each immunogen comprising a lipopeptide cap, a universal T helper sequence and an immunodominant HIV-1 Tat B cell epitope. The immunogen also comprises one or more linker sequences and/or polar charged amino acid sequences. The HIV-1 Tat B cell epitope of each immunogen has an amino acid sequence of V-D-P-Xaa7-L-Xaa9-P-W-Xaa12-Xaa13-Xaa14-Xaa15-Xaa16-amide SEQ ID NO: 1, in which the amino acid positions at Xaa7, Xaa9 and Xaa12 are selected from specific amino acid residues choices and in which the amino acid positions at Xaa13-Xaa16 may be absent or specific amino acid residue choices. The lipopeptide is a dipalmitoyl-S-glyceryl-cysteine or a tripalmitoyl-S-glyceryl cysteine or N-acetyl (dipalmitoyl-S-glyceryl cysteine), each with an optional neutral amino acid linker. Optional polar sequences of at least four charged polar amino acids enhance solubility of the immunogen and are located at the carboxy terminal end of the lipopeptide cap, optionally flanked by neutral linker amino acids, or elsewhere in the immunogen. In the composition, each immunogen differs from another immunogen by an amino acid variation at amino acid position Xaa7, Xaa9 or Xaa12 of the immunodominant HIV-1 Tat epitope. Such compositions can induce anti-HIV-1 Tat antibodies with geometric mean titers of greater than 1,000,000 on multiple HIV-1 Tat variants, when employed to immunize a subject, without any extrinsic adjuvant.
    • 包含多种免疫原的自佐剂免疫原性组合物,每种免疫原包含脂肽帽,通用T辅助序列和免疫显性HIV-1 TatB细胞表位。 免疫原还包含一个或多个接头序列和/或极性带电荷的氨基酸序列。 每种免疫原的HIV-1 Tat B细胞表位具有VDP-Xaa7-L-Xaa9-PW-Xaa12-Xaa13-Xaa14-Xaa15-Xaa16-酰胺SEQ ID NO:1的氨基酸序列,其中氨基酸位置 在Xaa7中,Xaa9和Xaa12选自特定的氨基酸残基选择,其中Xaa13-Xaa16的氨基酸位置可能不存在或特定的氨基酸残基选择。 脂肽是二棕榈酰基-S-甘油基半胱氨酸或三棕榈酰基-S-甘油基半胱氨酸或N-乙酰基(二棕榈酰基-S-甘油基半胱氨酸),每个具有任选的中性氨基酸接头。 至少四个带电荷的极性氨基酸的任选的极性序列增强了免疫原的溶解度,并且位于脂肽帽的羧基末端,任选侧接中性接头氨基酸或免疫原中的其他位置。 在组合物中,每个免疫原通过免疫显性HIV-1 Tat表位的氨基酸位置Xaa7,Xaa9或Xaa12处的氨基酸变化与另一种免疫原不同。 当用于免疫受试者时,这些组合物可以在多种HIV-1 Tat变体上诱导具有大于1,000,000的几何平均滴度的抗HIV-1 Tat抗体,而没有任何外源性佐剂。