Highly Accurate Disease Diagnosis and Highly Reproducible Biomarker Identification with PathFormer

• URL: http://arxiv.org/abs/2402.07268v1
• Date: Sun, 11 Feb 2024 18:23:54 GMT
• Title: Highly Accurate Disease Diagnosis and Highly Reproducible Biomarker Identification with PathFormer
• Authors: Zehao Dong, Qihang Zhao, Philip R.O. Payne, Michael A Province, Carlos Cruchaga, Muhan Zhang, Tianyu Zhao, Yixin Chen, Fuhai Li
• Abstract summary: Graph neural networks (GNNs) have been the dominant deep learning model for analyzing graph-structured data. The root of the challenges is the unique graph structure of biological signaling pathways. We present a novel GNN model architecture, named PathFormer, which integrates signaling network, priori knowledge and omics data to rank biomarkers and predict disease diagnosis.
• Score: 32.26944736442376
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Biomarker identification is critical for precise disease diagnosis and understanding disease pathogenesis in omics data analysis, like using fold change and regression analysis. Graph neural networks (GNNs) have been the dominant deep learning model for analyzing graph-structured data. However, we found two major limitations of existing GNNs in omics data analysis, i.e., limited-prediction (diagnosis) accuracy and limited-reproducible biomarker identification capacity across multiple datasets. The root of the challenges is the unique graph structure of biological signaling pathways, which consists of a large number of targets and intensive and complex signaling interactions among these targets. To resolve these two challenges, in this study, we presented a novel GNN model architecture, named PathFormer, which systematically integrate signaling network, priori knowledge and omics data to rank biomarkers and predict disease diagnosis. In the comparison results, PathFormer outperformed existing GNN models significantly in terms of highly accurate prediction capability ( 30% accuracy improvement in disease diagnosis compared with existing GNN models) and high reproducibility of biomarker ranking across different datasets. The improvement was confirmed using two independent Alzheimer's Disease (AD) and cancer transcriptomic datasets. The PathFormer model can be directly applied to other omics data analysis studies.

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