Bioinspired vaccines to enhance MHC class-I antigen cross-presentation.

Bioinspired vaccines to enhance MHC class-I antigen cross-presentation.
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DOI:
10.1016/j.coi.2022.102215
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发表时间:
2022-08
影响因子:
7
通讯作者:
--
中科院分区:
医学2区
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--
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外源抗原在MHC-I类分子上的交叉提呈是产生CD8+T细胞反应的关键过程,因此在开发针对病毒、细胞内细菌和癌症的T细胞结合疫苗时也是一个重要的设计考虑因素。在这里,我们简要总结已知的交叉递呈途径,并强调如何设计合成疫苗来增强专业抗原递呈细胞(APC)对外源性多肽和蛋白质抗原的MHC-I递呈。特别是,我们总结了如何利用分子工程和纳米技术来增强抗原递送到淋巴结和交叉呈递树突状细胞,绕过外源抗原的内体运输以促进抗原递送到APC的胞浆,以及如何协调抗原递送和免疫刺激佐剂的协同作用,以增强抗原交叉递呈。
Cross-presentation of exogenous antigen on MHC class-I is a crucial process for generating a CD8+ T cell response, and is therefore an important design consideration in the development of T-cell-engaging vaccines against viruses, intracellular bacteria, and cancers. Here, we briefly summarize known cross-presentation pathways and highlight how synthetic vaccines can be engineered to enhance MHC-I presentation of exogenous peptide and protein antigens by professional antigen-presenting cells (APCs). In particular, we summarize how molecular engineering and nanotechnology are being harnessed to enhance antigen delivery to lymph nodes and to cross-presenting dendritic cells, to bypass endosomal trafficking of exogenous antigen to promote delivery of antigen to the cytosol of APCs, and to coordinate the delivery of antigen with immune-stimulating adjuvants that can act synergistically to augment antigen cross-presentation.
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