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Recombinant HIV-1 Pr55gag virus-like particles: potent stimulators of innate and acquired immune responses.

机译:重组HIV-1 Pr55gag病毒样颗粒:先天和后天免疫应答的有效刺激剂。

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摘要

Several previous reports have clearly demonstrated the strong effectiveness of human immunodeficiency virus (HIV) Gag polyprotein-based virus-like particles (VLP) to stimulate humoral and cellular immune responses in complete absence of additional adjuvants. Yet, the mechanisms underlying the strong immunogenicity of these particulate antigens are still not very clear. However, current reports strongly indicate that these VLP act as "danger signals" to trigger the innate immune system and possess potent adjuvant activity to enhance the immunogenicity of per se only weakly immunogenic peptides and proteins. Here, we review the current understanding of how various particle-associated substances and other impurities may contribute to the observed immune-activating properties of these complex immunogens.
机译:先前的一些报道清楚地表明,在完全没有其他佐剂的情况下,人类免疫缺陷病毒(HIV)Gag多蛋白基病毒样颗粒(VLP)可以刺激体液和细胞免疫反应。然而,这些微粒抗原的强免疫原性的潜在机制仍然不是很清楚。但是,目前的报道强烈表明这些VLP充当触发先天免疫系统的“危险信号”,并具有强大的佐剂活性,可增强仅具有弱免疫原性的肽和蛋白质本身的免疫原性。在此,我们回顾了当前对各种颗粒相关物质和其他杂质如何有助于这些复合免疫原的免疫激活特性的理解。

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