Biomarker discovery with quantum neural networks: a case-study in CTLA4-activation pathways
Abstract
Background Biomarker discovery is a challenging task due to the massive search space. Quantum computing and quantum Artificial Intelligence (quantum AI) can be used to address the computational problem of biomarker discovery from genetic data. Method We propose a Quantum Neural Networks architecture to discover genetic biomarkers for input activation pathways. The Maximum Relevance-Minimum Redundancy criteria score biomarker candidate sets. Our proposed model is economical since the neural solution can be delivered on constrained hardware. Results We demonstrate the proof of concept on four activation pathways associated with CTLA4 , including (1) CTLA4 -activation stand-alone, (2) CTLA4-CD8A-CD8B co-activation, (3) CTLA4-CD2 co-activation, and (4) CTLA4-CD2-CD48-CD53-CD58-CD84 co-activation. Conclusion The model indicates new genetic biomarkers associated with the mutational activation of CLTA4 -associated pathways, including 20 genes: CLIC4 , CPE , ETS2 , FAM107A , GPR116 , HYOU1 , LCN2 , MACF1 , MT1G , NAPA , NDUFS5 , PAK1 , PFN1 , PGAP3 , PPM1G , PSMD8 , RNF213 , SLC25A3 , UBA1 , and WLS . We open source the implementation at: https://github.com/namnguyen0510/Biomarker-Discovery-with-Quantum-Neural-Networks .
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