Extending Combinatorial Regulatory Network Modeling to Include Activity Control and Decay Modulation

Bree Cummins, Marcio Gameiro, Tomas Gedeon, Shane Kepley, Konstantin Mischaikow, Lun Zhang

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Abstract

Understanding how the structure of within-system interactions affects the dynamics of the system is important in many areas of science. We extend a network dynamics modeling platform DSGRN, which combinatorializes both dynamics and parameter space to construct finite but accurate summaries of network dynamics, to new types of interactions. While the standard DSGRN assumes that each network edge controls the rate of abundance of the target node, the new edges may control either activity level or a decay rate of its target. While motivated by processes of post-transcriptional modification and ubiquitination in systems biology, our extension is applicable to the dynamics of any signed directed network.

Original languageEnglish
Pages (from-to)2096-2125
Number of pages30
JournalSIAM Journal on Applied Dynamical Systems
Volume21
Issue number3
Early online date11 Aug 2022
DOIs
Publication statusPublished - 2022

Bibliographical note

Funding Information:
∗Received by the editors November 2, 2021; accepted for publication (in revised form) by T. Wanner May 3, 2022; published electronically August 11, 2022. https://doi.org/10.1137/21M1456832 Funding: The work of the first and third authors was partially supported by NSF grant DMS-1839299, DARPA FA8750-17-C-0054, and NIH 5R01GM126555-01. The work of the second, fourth, fifth, and sixth authors was partially supported by NSF grant DMS-1839294 and HDR TRIPODS award CCF-1934924, DARPA contract HR0011-16-2-0033, and National Institutes of Health award R01 GM126555. The work of the third author was also partially supported by FAPESP grant 2019/06249-7 and by CNPq grant 309073/2019-7. The work of the fifth author was also supported by a grant from the Simons Foundation. †Department of Mathematical Sciences, Montana State University, Bozeman, MT 59717 USA (breschine. [email protected], [email protected]). ‡Department of Mathematics, Rutgers University, Piscataway, NJ 08854 USA, and Instituto de Ciências Matemáticas e de Computac¸ão, Universidade de São Paulo, São Carlos, São Paulo, Brazil (gameiro@math. rutgers.edu). §Department of Mathematics, VU Amsterdam, 1081 HV Amsterdam, The Netherlands ([email protected]). ¶Department of Mathematics, Rutgers University, Piscataway, NJ 08854 USA ([email protected], [email protected]).

Publisher Copyright:
© 2022 Society for Industrial and Applied Mathematics.

Funding

∗Received by the editors November 2, 2021; accepted for publication (in revised form) by T. Wanner May 3, 2022; published electronically August 11, 2022. https://doi.org/10.1137/21M1456832 Funding: The work of the first and third authors was partially supported by NSF grant DMS-1839299, DARPA FA8750-17-C-0054, and NIH 5R01GM126555-01. The work of the second, fourth, fifth, and sixth authors was partially supported by NSF grant DMS-1839294 and HDR TRIPODS award CCF-1934924, DARPA contract HR0011-16-2-0033, and National Institutes of Health award R01 GM126555. The work of the third author was also partially supported by FAPESP grant 2019/06249-7 and by CNPq grant 309073/2019-7. The work of the fifth author was also supported by a grant from the Simons Foundation. †Department of Mathematical Sciences, Montana State University, Bozeman, MT 59717 USA (breschine. [email protected], [email protected]). ‡Department of Mathematics, Rutgers University, Piscataway, NJ 08854 USA, and Instituto de Ciências Matemáticas e de Computac¸ão, Universidade de São Paulo, São Carlos, São Paulo, Brazil (gameiro@math. rutgers.edu). §Department of Mathematics, VU Amsterdam, 1081 HV Amsterdam, The Netherlands ([email protected]). ¶Department of Mathematics, Rutgers University, Piscataway, NJ 08854 USA ([email protected], [email protected]).

FundersFunder number
Simons Foundation
National Institutes of HealthCCF-1934924, DMS-1839294, HR0011-16-2-0033, R01 GM126555
Defense Advanced Research Projects AgencyFA8750-17-C-0054
Conselho Nacional de Desenvolvimento Científico e Tecnológico309073/2019-7
National Science FoundationDMS-1839299
Fundação de Amparo à Pesquisa do Estado de São Paulo2019/06249-7

    Keywords

    • gene regulation
    • mathematical biology
    • network dynamics

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