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    • 2. 发明授权
    • Method for determining co-receptor selectivity of Human Immunodeficiency Virus-1
    • 测定人类免疫缺陷病毒-1的共受体选择性的方法
    • US07638319B2
    • 2009-12-29
    • US11369010
    • 2006-03-07
    • Timothy CardozoSusan Zolla-Pazner
    • Timothy CardozoSusan Zolla-Pazner
    • C12N7/00C12Q1/00
    • C12Q1/703G06F19/16
    • Newly discovered structural characteristic of the gp120 V3 loop have resulted in a “rule” or algorithm, that is used in a method for determining whether a subject is infected with HIV-1 virus that expresses selectivity for CXCR4 or CCR5 chemokine receptors. A positively charged surface patch defined by V3 loop residues 11 and 24 or 25 at the base of the β-strands in the V3 loop and the homologous β2-β3 chemokine hairpin is responsible for CXCR4 receptor selection. Thus a method for detecting the presence of HIV-1 virus that is selective for X4-co-receptors in a subject infected with HIV-1 or suspected of being infected, from the amino acid sequence of at least a part of the HIV-1 gp120 V3 region peptide that includes residues 11, 24 and 25, or from the nucleotide sequence of a nucleic acid encoding said V3 region peptide, is disclosed.
    • 新发现的gp120 V3环的结构特征已经导致了一种“规则”或算法,用于确定受试者是否感染HIV-1病毒的方法,该HIV-1病毒表达对CXCR4或CCR5趋化因子受体的选择性。 由V3环中的β链的碱基和同源的β2-β3趋化因子发夹的V3环残基11和24或25定义的带正电荷的表面贴片负责CXCR4受体选择。 因此,从HIV-1的至少一部分的氨基酸序列中检测HIV-1感染HIV或HIV或被怀疑被感染的受试者中对X4-共受体有选择性的HIV-1病毒的存在的方法 公开了包括残基11,24和25或来自编码所述V3区肽的核酸的核苷酸序列的gp120 V3区肽。
    • 5. 发明申请
    • INDUCTION OF BROADLY REACTIVE NEUTRALIZING ANTIBODIES BY FOCUSING THE IMMUNE RESPONSE ON V3 EPITOPES OF THE HIV-1 gp120 ENVELOPE
    • 通过对HIV-1 gp120环境V3病毒抗体的免疫反应诱导广泛的反应性中和抗体
    • US20080279879A1
    • 2008-11-13
    • US11942634
    • 2007-11-19
    • Susan Zolla-Pazner
    • Susan Zolla-Pazner
    • A61K39/21A61P31/18
    • A61K39/21A61K39/12A61K2039/53A61K2039/545A61K2039/55566A61K2039/575A61K2039/70C07K14/005C07K2319/00C12N2740/15022C12N2740/16122C12N2740/16134
    • Compositions, kits and methods for boosting, or for priming and boosting, high titer broadly neutralizing cross-clade antibody responses focused on single HIV-1 neutralizing epitopes are disclosed. gp120 DNA plasmids comprising HIV env genes are used to prime the antibody response. Primed subjects are immunized with recombinant fusion proteins that comprise a “carrier” protein fusion partner, preferably a truncated form of the MuLV gp70 Env protein, and a desired HIV neutralizing epitopes. Preferred epitopes are epitopes of V3 from one or more HIV clades. Immune sera from such immunized subjects neutralized primary isolates from virus strains heterologous to those from which the immunogens were constructed. Neutralizing activity was primarily due to V3-specific antibodies and cross-clade neutralizing Abs were present. This approach results in more potent and broader neutralizing antibody levels, a result of “immunofocusing” the humoral immune response on neutralizing epitopes such as V3.
    • 公开了用于增强或用于引发和增强高滴度广泛中和的交叉进化枝抗体反应的组合物,试剂盒和方法,其集中在单个HIV-1中和表位上。 使用包含HIV env基因的gp120 DNA质粒来引发抗体应答。 用包含“载体”蛋白质融合配偶体,优选截短形式的MuLV gp70Env蛋白质和所需的HIV中和表位的重组融合蛋白免疫引导的受试者。 优选的表位是来自一个或多个HIV进化枝的V3的表位。 来自这些免疫受试者的免疫血清将来自与构建免疫原的病毒株异源的病原菌中和的初级分离物中和。 中和活性主要是由于V3特异性抗体而存在交叉进化枝中和抗体。 这种方法导致更有效和更广泛的中和抗体水平,这是中和表位如V3的“免疫聚焦”体液免疫应答的结果。