表位
埃利斯波特
人类白细胞抗原
计算生物学
生物
抗原
人口
平移(音频)
表位定位
免疫系统
T细胞
免疫学
遗传学
医学
古生物学
缩放
环境卫生
镜头(地质)
作者
Paul Lehmann,Diana Roen,Alexander A. Lehmann
出处
期刊:Methods in molecular biology
日期:2023-01-01
卷期号:: 69-88
标识
DOI:10.1007/978-1-0716-3239-0_5
摘要
Recent systematic immune monitoring efforts suggest that, in humans, epitope recognition by T cells is far more complex than has been assumed based on minimalistic murine models. The increased complexity is due to the higher number of HLA loci in humans, the typical heterozygosity for these loci in the outbred population, and the high number of peptides that each HLA restriction element can bind with an affinity that suffices for antigen presentation. The sizable array of potential epitopes on any given antigen is due to each individual's unique HLA allele makeup. Of this individualized potential epitope space, chance events occurring in the course of the T cell response determine which epitopes induce dominant T cell expansions. Establishing the actually-engaged T cell repertoire in each human subject, including the individualized peptides targeted, therefore requires the systematic testing of all peptides that constitute the potential epitope space in that person. The goal of comprehensive, high-throughput epitope mapping can be readily established by the methods described in this chapter.
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