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- W4384662035 abstract "Abstract Epitope vaccines are a promising approach for precision treatment of pathogens, cancer, autoimmune diseases, and allergies. Effectively designing such vaccines requires accurate proteasomal cleavage prediction to ensure that the epitopes included in the vaccine trigger an immune response. The performance of proteasomal cleavage predictors has been steadily improving over the past decades owing to increasing data availability and methodological advances. In this review, we summarize the current proteasomal cleavage prediction landscape and, in light of recent progress in the field of deep learning, develop and compare a wide range of recent architectures and techniques, including long short-term memory (LSTM), transformers, and convolutional neural networks (CNN), as well as four different denoising techniques. All opensource cleavage predictors re-trained on our dataset performed within two AUC percentage points. Our comprehensive deep learning architecture benchmark improved performance by 0.4 AUC percentage points, while closed-source predictors performed considerably worse. We found that a wide range of architectures and training regimes all result in very similar performance, suggesting that the specific modeling approach employed has a limited impact on predictive performance compared to the specifics of the dataset employed. We speculate that the noise and implicit nature of data acquisition techniques used for training proteasomal cleavage prediction models and the complexity of biological processes of the antigen processing pathway are the major limiting factors. While biological complexity can be tackled by more data and, to a lesser extent, better models, noise and randomness inherently limit the maximum achievable predictive performance. Key points We benchmark a wide range of neural architectures and learning methods for proteasomal cleavage prediction. Predictors re-trained on our dataset performed similarly and better than closed source, pretrained predictors. We show clear performance plateaus with little variation among methods. We argue that collecting more data or using different learning methods is unlikely to yield significant performance gains." @default.
- W4384662035 created "2023-07-20" @default.
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- W4384662035 date "2023-07-18" @default.
- W4384662035 modified "2023-09-27" @default.
- W4384662035 title "Proteasomal cleavage prediction: state-of-the-art and future directions" @default.
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- W4384662035 doi "https://doi.org/10.1101/2023.07.17.549305" @default.
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