CytoHybrid-OS is an open-source virtual tissue modeling framework that connects biological data to dynamic, interpretable simulation. The platform takes inputs such as single-cell RNA sequencing, spatial transcriptomics, proteomics, imaging, and perturbation data, then uses them to initialize virtual tissues containing immune and stromal cells with flexible internal gene-program states. Instead of treating cells as fixed labels, CytoHybrid-OS models functional identity as an emergent property shaped by inflammation, cytotoxicity, exhaustion, immune regulation, repair, fibrosis, matrix remodeling, local signals, and cell-cell communication.
The framework is designed to support counterfactual biological testing: researchers can simulate interventions, generate RNA-like and spatial readouts, compare mechanistic and AI/ML models, and evaluate whether predictions remain reliable after treatment changes the underlying biology. Its benchmark system compares pure machine learning, mechanistic models, hybrid mechanis