Association prediction of CircRNAs and diseases using multi-homogeneous graphs and variational graph auto-encoder

As a non-coding RNA molecule with closed-loop structure, circular RNA (circRNA) is tissue-specific and cell-specific in expression pattern. It regulates disease development by modulating the expression of disease-related genes. Therefore, exploring the circRNA-disease relationship can reveal the mol...

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Vydané v:Computers in biology and medicine Ročník 151; číslo Pt A; s. 106289
Hlavní autori: Fu, Yao, Yang, Runtao, Zhang, Lina
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: United States Elsevier Ltd 01.12.2022
Elsevier Limited
Predmet:
Algorithms
Apoptosis
Area Under Curve
CircRNA-disease association
Circular RNA
Coders
Completeness
Cysts
Data processing
Datasets
Decoding
Disease
Dogs
Feature extraction
Female
Gene expression
Graph neural network
Graph neural networks
Humans
Internal Medicine
Labor, Obstetric
Machine learning
Molecular modelling
Molecular structure
National libraries
Neural networks
Other
Pathogenesis
Pregnancy
Proteins
Random forest
Ribonucleic acid
RNA
RNA, Circular - genetics
Semantics
Similarity
Subject heading schemes
Variational graph auto-encoder
Random forest
CircRNA-disease association
Variational graph auto-encoder
Graph neural network
ISSN:0010-4825, 1879-0534, 1879-0534
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Popis
Shrnutí:As a non-coding RNA molecule with closed-loop structure, circular RNA (circRNA) is tissue-specific and cell-specific in expression pattern. It regulates disease development by modulating the expression of disease-related genes. Therefore, exploring the circRNA-disease relationship can reveal the molecular mechanism of disease pathogenesis. Biological experiments for detecting circRNA-disease associations are time-consuming and laborious. Constrained by the sparsity of known circRNA-disease associations, existing algorithms cannot obtain relatively complete structural information to represent features accurately. To this end, this paper proposes a new predictor, VGAERF, combining Variational Graph Auto-Encoder (VGAE) and Random Forest (RF). Firstly, circRNA homogeneous graph structure and disease homogeneous graph structure are constructed by Gaussian interaction profile (GIP) kernel similarity, semantic similarity, and known circRNA-disease associations. VGAEs with the same structure are employed to extract the higher-order features by the encoding and decoding of input graph structures. To further increase the completeness of the network structure information, the deep features acquired from the two VGAEs are summed, and then train the RF with sparse data processing capability to perform the prediction task. On the independent test set, the Area Under ROC Curve (AUC), accuracy, and Area Under PR Curve (AUPR) of the proposed method reach up to 0.9803, 0.9345, and 0.9894, respectively. On the same dataset, the AUC, accuracy, and AUPR of VGAERF are 2.09%, 5.93%, and 1.86% higher than the best-performing method (AEDNN). It is anticipated that VGAERF will provide significant information to decipher the molecular mechanisms of circRNA-disease associations, and promote the diagnosis of circRNA-related diseases. •A novel computational method based on Graph Neural Networks to predict the circRNA-disease associations.•The circRNA-based homogeneous graph and disease-based homogeneous graph are constructed to obtain the relevant information.•Two Variational Graph Auto-Encoders are employed to extract the deep association features of circRNAs and diseases.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0010-4825
1879-0534
1879-0534
DOI:10.1016/j.compbiomed.2022.106289