Vegvisir: Probabilistic Model (VAE) for Viral T-Cell Epitope Prediction
摘要
To create effective vaccines and diagnostic tools, as well as to study how viruses evolve and adapt to host immune responses, viral antigens must be identified. Here we introduce a novel probabilistic model (Vegvisir) for the prediction of viral T-cell epitopes based on the architecture of a Variational Autoencoder. In this work, we illustrate how the model learns meaningful sequence latent representations from which viral peptides can be classified according to their immunogenicity. We also explore how these representations provide insights into the biological properties of epitopes. Likewise, we show how this model outperforms the current state-of-the-art methods on a well-curated dataset. Finally, we perform different experiments to carefully stress-test and assess Vegvisir for biases to monitor its capability to generalize.