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MncR: Late Integration Machine Learning Model for Classification of ncRNA Classes Using Sequence and Structural Encoding
- Non-coding RNA (ncRNA) classes take over important housekeeping and regulatory functions and are quite heterogeneous in terms of length, sequence conservation and secondary structure. High-throughput sequencing reveals that the expressed novel ncRNAs and their classification are important to understand cell regulation and identify potential diagnostic and therapeutic biomarkers. To improve the classification of ncRNAs, we investigated different approaches of utilizing primary sequences and secondary structures as well as the late integration of both using machine learning models, including different neural network architectures. As input, we used the newest version of RNAcentral, focusing on six ncRNA classes, including lncRNA, rRNA, tRNA, miRNA, snRNA and snoRNA. The late integration of graph-encoded structural features and primary sequences in our MncR classifier achieved an overall accuracy of >97%, which could not be increased by more fine-grained subclassification. In comparison to the actual best-performing tool ncRDense, we had a minimal increase of 0.5% in all four overlapping ncRNA classes on a similar test set of sequences. In summary, MncR is not only more accurate than current ncRNA prediction tools but also allows the prediction of long ncRNA classes (lncRNAs, certain rRNAs) up to 12.000 nts and is trained on a more diverse ncRNA dataset retrieved from RNAcentral.
Author: | Heiko Dunkel, Henning Wehrmann, Lars R. Jensen, Andreas W. Kuss, Stefan Simm |
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URN: | urn:nbn:de:gbv:9-opus-86440 |
DOI: | https://doi.org/10.3390/ijms24108884 |
ISSN: | 1422-0067 |
Parent Title (English): | International Journal of Molecular Sciences |
Publisher: | MDPI |
Place of publication: | Basel |
Document Type: | Article |
Language: | English |
Date of first Publication: | 2023/05/17 |
Release Date: | 2024/01/29 |
Tag: | convolutional neural networks; deep learning; machine learning; ncRNA; transcriptomics |
Volume: | 24 |
Issue: | 10 |
Article Number: | 8884 |
Page Number: | 22 |
Faculties: | Universitätsmedizin / Institut für Biometrie und Medizinische Informatik |
Collections: | Artikel aus DFG-gefördertem Publikationsfonds |
Licence (German): | Creative Commons - Namensnennung |