Abstract
Antigen-presenting cells can elicit a CD4\(^+\) T cell response by displaying foreign peptides on the surface. Identifying such peptides requires robust prediction of the binding and presentation corresponding to peptides and major histocompatibility complexes class II (MHC-II) molecules. However, numerous experimental data suffer from inexact supervision, and the open conformation of MHC-II molecules leads to a complex peptide binding pattern. Though current prediction methods have significantly pushed the development of cancer vaccines and immunotherapies, an urgent desire for better approaches still exists. We practice the powerful multi-head self-attention technique for MHC-II-restricted peptidome deconvolution and antigen presentation prediction problems. According to binding motifs reflected by eluted ligands, the novel expert voting-based deconvolution strategy ensures a reliable MHC-II assignment. Driven by massive trusty annotated peptidome data, our method overwhelms the start-of-the-art MHC-II presentation prediction method, NetMHCIIpan4.0, on two independent single allelic datasets. All these results have demonstrated that our method can boost the performance of MHC-II presentation prediction and peptidome deconvolution.
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This work was supported in part by funding from the National Science Foundation of China(Grant No. 62173204).
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Deng, J., Liu, M. (2022). Deep Learning-Enhanced MHC-II Presentation Prediction and Peptidome Deconvolution. In: Bansal, M.S., Cai, Z., Mangul, S. (eds) Bioinformatics Research and Applications. ISBRA 2022. Lecture Notes in Computer Science(), vol 13760. Springer, Cham. https://doi.org/10.1007/978-3-031-23198-8_17
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DOI: https://doi.org/10.1007/978-3-031-23198-8_17
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