Protein-based antigen presentation platforms for nanoparticle vaccines.

Protein-based antigen presentation platforms for nanoparticle vaccines.
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DOI:
10.1038/s41541-021-00330-7
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发表时间:
2021-05-13
期刊:
影响因子:
9.2
通讯作者:
Tolia NH
Tolia NH
中科院分区:
医学1区
文献类型:
--
作者:
Nguyen B;Tolia NH

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现代疫苗设计已经寻求最小化方法,转向从引起强烈中和免疫应答的病原体中分离抗原。这种方法创造了更安全的疫苗,但由于免疫原性差,可能会限制疫苗的效力。为了抗击COVID-19、疟疾和艾滋病等全球性疾病,显然迫切需要更有效的下一代疫苗。提高疫苗免疫原性的一种方法是使用在其表面上呈现抗原重复阵列的纳米颗粒平台。该技术已显示通过增加亲合力和颗粒大小来改善抗原呈递细胞摄取、淋巴结运输和B细胞活化。重点是设计,我们总结了天然平台,抗原附着方法,以及在产生自组装方面的进展,这些进展导致了新的工程平台。我们进一步研究了关键参数,这些参数将指导更有效平台的使用和开发。
Modern vaccine design has sought a minimalization approach, moving to the isolation of antigens from pathogens that invoke a strong neutralizing immune response. This approach has created safer vaccines but may limit vaccine efficacy due to poor immunogenicity. To combat global diseases such as COVID-19, malaria, and AIDS there is a clear urgency for more effective next-generation vaccines. One approach to improve the immunogenicity of vaccines is the use of nanoparticle platforms that present a repetitive array of antigen on its surface. This technology has been shown to improve antigen presenting cell uptake, lymph node trafficking, and B-cell activation through increased avidity and particle size. With a focus on design, we summarize natural platforms, methods of antigen attachment, and advancements in generating self-assembly that have led to new engineered platforms. We further examine critical parameters that will direct the usage and development of more effective platforms.
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