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Fröhlich, F. ; Kessler, T.* ; Weindl, D. ; Shadrin, A.* ; Schmiester, L. ; Hache, H.* ; Muradyan, A.* ; Schütte, M.* ; Lim, J.H.* ; Heinig, M. ; Theis, F.J. ; Lehrach, H.* ; Wierling, C.* ; Lange, B.* ; Hasenauer, J.

Efficient parameter estimation enables the prediction of drug response using a mechanistic pan-cancer pathway model.

Cell Syst. 7, 567-579 (2018)

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Mechanistic models are essential to deepen the understanding of complex diseases at the molecular level. Nowadays, high-throughput molecular and phenotypic characterizations are possible, but the integration of such data with prior knowledge on signaling pathways is limited by the availability of scalable computational methods. Here, we present a computational framework for the parameterization of large-scale mechanistic models and its application to the prediction of drug response of cancer cell lines from exome and transcriptome sequencing data. This framework is over 10 4 times faster than state-of-the-art methods, which enables modeling at previously infeasible scales. By applying the framework to a model describing major cancer-associated pathways (>1,200 species and >2,600 reactions), we could predict the effect of drug combinations from single drug data. This is the first integration of high-throughput datasets using large-scale mechanistic models. We anticipate this to be the starting point for development of more comprehensive models allowing a deeper mechanistic insight.

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