Monkeying around with HIV vaccines: using rhesus macaques to define 'gatekeepers' for clinical trials.

Monkeying around with HIV vaccines: using rhesus macaques to define 'gatekeepers' for clinical trials.
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DOI:
10.1038/nri2636
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发表时间:
2009-10
期刊:
Nature reviews. Immunology
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恒河猴是研究人类疾病和开发艾滋病毒和艾滋病疫苗的重要动物模型。在恒河猴临床前攻击研究中,使用由HIV和猿免疫缺陷病毒的部分组成的嵌合病毒,对HIV疫苗进行了基准测试。然而,在最近的临床试验中缺乏有效性,需要重新评估关于使用恒河猴产生的数据作为候选疫苗进入临床的“守门人”的预测价值的科学假设。在这种情况下,艾滋病毒疫苗学家达成了重要共识,即下一代艾滋病毒疫苗必须比使用经验证的检测方法产生的临床上不成功的疫苗在恒河猴中产生“更好”的免疫力。定义更好的免疫力是该系统中HIV疫苗开发的核心挑战,也是本次审查的重点。
Rhesus macaques are an important animal model for the study of human disease and the development of vaccines against HIV and AIDS. HIV vaccines have been benchmarked in rhesus macaque preclinical challenge studies using chimeric viruses made up of parts of HIV and simian immunodeficency viruses. However, the lack of efficacy in a recent clinical trial calls for a re-evaluation of the scientific assumptions regarding the predictive value of using data generated from rhesus macaques as a ‘gatekeeper’ for the advancement of candidate vaccines into the clinic. In this context, there is significant consensus among HIV vaccinologists that next-generation HIV vaccines must generate ‘better’ immunity in rhesus macaques than clinically unsuccessful vaccines generated using validated assays. Defining better immunity is the core challenge of HIV vaccine development in this system and is the focus of this Review.
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