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Inducing neutralizing antibodies to HIV by inhibiting SIAE

Inducing neutralizing antibodies to HIV by inhibiting SIAE
通过抑制 SIAE 诱导 HIV 中和抗体
批准号:
7989356
负责人:
SHIV Subramaniam PILLAI
金额:
$63.74万
依托单位国家:
美国
项目类别:
财政年份:
2010
资助国家:
美国
项目状态:
已结题
起止时间:
2010-06-15 至 2014-05-31

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中文摘要
翻译
描述(由申请人提供): 摘要:唾液酸乙酰酯酶维持外周B细胞耐受性,阻止自身抗原较弱的B细胞活化。这种酶在小鼠和人类的B细胞中都有相关性。抑制这种酯酶可能允许激活在HIV gp120上看到保守但弱表位的B细胞。SIAE基因将在人源化的小鼠身上被敲除。SIAE基因敲除人源化小鼠和SIAE突变常规小鼠都将用gp140三聚体免疫,试图询问抑制SIAE是否有利于产生针对HIV的中和抗体。提出了一种新的HIV疫苗接种策略,该策略可能允许诱导保护性中和抗体。
英文摘要
DESCRIPTION (provided by applicant): Abstract: The enzyme Sialic acid acetylesterase maintains peripheral B cell tolerance and prevents the activation of B cells that see self antigens weakly. This enzyme is of relevance in both murine and human B cells. Inhibiting this esterase may permit the activation of B cells that see conserved but weak epitopes on HIV gp120. The SIAE gene will be knocked down in humanized mice. Both SIAE knockdown humanized mice and Siae mutant conventional mice will be immunized with gp140 trimers in an attempt to ask if inhibition of SIAE favors the generation of neutralizing antibodies against HIV. A novel strategy for HIV vaccination is proposed, that may permit the induction of protective neutralizing antibodies.
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Training Program in Immunological Tolerance and Autoimmunity
  • 批准号:
    9102896
  • 项目类别:
  • 资助金额:
    $18.74万
  • 财政年份:
    2015
  • 负责人:
    SHIV Subramaniam PILLAI
  • 依托单位:
Training Program in Immunological Tolerance and Autoimmunity
  • 批准号:
    9264976
  • 项目类别:
  • 资助金额:
    $18.95万
  • 财政年份:
    2015
  • 负责人:
    SHIV Subramaniam PILLAI
  • 依托单位:
Training Program in Immunological Tolerance and Autoimmunity
  • 批准号:
    8933644
  • 项目类别:
  • 资助金额:
    $18.55万
  • 财政年份:
    2015
  • 负责人:
    SHIV Subramaniam PILLAI
  • 依托单位:
An Autoimmune center of excellence for the study of IgG4-related disease
  • 批准号:
    8680709
  • 项目类别:
  • 资助金额:
    $71.29万
  • 财政年份:
    2014
  • 负责人:
    SHIV Subramaniam PILLAI
  • 依托单位:
海外基金