Data-driven Discovery of Digital Twins in Biomedical Research

• URL: http://arxiv.org/abs/2508.21484v2
• Date: Mon, 01 Sep 2025 17:06:38 GMT
• Title: Data-driven Discovery of Digital Twins in Biomedical Research
• Authors: Clémence Métayer, Annabelle Ballesta, Julien Martinelli,
• Abstract summary: We review methodologies for automatically inferring digital twins from biological time series.<n>We evaluate algorithms according to eight biological and methodological challenges.<n>We highlight the emerging role of deep learning and large language models, which enable innovative prior knowledge integration.
• Score: 1.1852406625172218
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent technological advances have expanded the availability of high-throughput biological datasets, enabling the reliable design of digital twins of biomedical systems or patients. Such computational tools represent key reaction networks driving perturbation or drug response and can guide drug discovery and personalized therapeutics. Yet, their development still relies on laborious data integration by the human modeler, so that automated approaches are critically needed. The success of data-driven system discovery in Physics, rooted in clean datasets and well-defined governing laws, has fueled interest in applying similar techniques in Biology, which presents unique challenges. Here, we reviewed methodologies for automatically inferring digital twins from biological time series, which mostly involve symbolic or sparse regression. We evaluate algorithms according to eight biological and methodological challenges, associated to noisy/incomplete data, multiple conditions, prior knowledge integration, latent variables, high dimensionality, unobserved variable derivatives, candidate library design, and uncertainty quantification. Upon these criteria, sparse regression generally outperformed symbolic regression, particularly when using Bayesian frameworks. We further highlight the emerging role of deep learning and large language models, which enable innovative prior knowledge integration, though the reliability and consistency of such approaches must be improved. While no single method addresses all challenges, we argue that progress in learning digital twins will come from hybrid and modular frameworks combining chemical reaction network-based mechanistic grounding, Bayesian uncertainty quantification, and the generative and knowledge integration capacities of deep learning. To support their development, we further propose a benchmarking framework to evaluate methods across all challenges.

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