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Published on: June 20, 2025
Systematic Analysis of Quantitative Logic Model Ensembles Predicts Drug Combination Effects on Cell Signaling
M K Morris1, D C Clarke1, L C Osimiri1
1Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Abstract:
A major challenge in developing anticancer therapies is determining the efficacies of drugs and their combinations in physiologically relevant microenvironments. We describe here our application of "constrained fuzzy logic" (CFL) ensemble modeling of the intracellular signaling network for predicting inhibitor treatments that reduce the phospho-levels of key transcription factors downstream of growth factors and inflammatory cytokines representative of hepatocellular carcinoma (HCC) microenvironments. We observed that the CFL models successfully predicted the effects of several kinase inhibitor combinations. Furthermore, the ensemble predictions revealed ambiguous predictions that could be traced to a specific structural feature of these models, which we resolved with dedicated experiments, finding that IL-1α activates downstream signals through TAK1 and not MEKK1 in HepG2 cells. We conclude that CFL-Q2LM (Querying Quantitative Logic Models) is a promising approach for predicting effective anticancer drug combinations in cancer-relevant microenvironments.
Insights
Constrained fuzzy logic (CFL) modeling accurately predicts anticancer drug combinations in hepatocellular carcinoma (HCC) microenvironments. This approach helps identify effective treatments by analyzing intracellular signaling networks and resolving ambiguities in predictions.
Area of Science:
- Computational biology
- Systems biology
- Pharmacology
Background:
- Developing effective anticancer therapies requires understanding drug efficacy in complex tumor microenvironments.
- Hepatocellular carcinoma (HCC) presents unique challenges due to its intricate signaling networks.
Purpose of the Study:
- To apply constrained fuzzy logic (CFL) ensemble modeling for predicting anticancer drug efficacy in HCC microenvironments.
- To identify kinase inhibitor combinations that reduce key transcription factor phosphorylation.
Main Methods:
- Utilized "constrained fuzzy logic" (CFL) ensemble modeling of intracellular signaling networks.
- Modeled signaling pathways relevant to hepatocellular carcinoma (HCC) microenvironments.
- Investigated inhibitor treatments targeting key transcription factors downstream of growth factors and inflammatory cytokines.
Main Results:
- CFL models successfully predicted the effects of multiple kinase inhibitor combinations.
- Ensemble predictions revealed ambiguities that led to dedicated experiments.
- Experiments resolved ambiguities, identifying IL-1α's signaling pathway through TAK1 in HepG2 cells.
Conclusions:
- Constrained fuzzy logic ensemble modeling (CFL-Q2LM) is a promising method for predicting effective anticancer drug combinations.
- This approach is valuable for cancer-relevant microenvironments.
- The study refined understanding of IL-1α signaling in HCC cells.
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