A deep learning approach for classification of alternative splicing events
Alternative splicing (AS) is the process of combining different parts of the pre-mRNA to produce diverse transcripts and eventually different protein products from a single gene. In computational biology field, researchers try to understand AS behavior and regulation using computational models known as “Splicing Codes”. The final goal of these algorithms is to make an in-silico prediction of AS outcome from genomic sequence. Here, we develop a deep learning approach, called Deep Splicing Code (DSC), for categorizing the well-studied classes of AS namely alternatively skipped exons, alternative 5’ss, alternative 3’ss, and constitutively spliced exons based only on the sequence of the exon junctions. The proposed approach significantly improves the prediction and the obtained results reveal that constitutive exons have distinguishable local characteristics from alternatively spliced exons. Using the motif visualization technique, we show that the trained models learned to search for competitive alternative splice sites as well as motifs of important splicing factors with high precision. Thus, the proposed approach greatly expands the opportunities to improve alternative splicing modeling.
Deep Splicing Code: The Web ToolVisit the tool website for generating predictions, the full dataset and more : https://home.jbnu.ac.kr/NSCL/dsc.htm
Louadi Z, Oubounyt M, Tayara H, Chong KT. Deep Splicing Code: Classifying Alternative Splicing Events Using Deep Learning. Genes. 2019; 10(8):587. DOI: https://doi.org/10.3390/genes10080587
Zakaria Louadi: louadi@wzw.tum.de
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