| Simulator: amici 0.11.25 | |
| CPU cores: 1 | |
| RAM: 8 GB | |
| Max time: 20 m |
| Submitted: 2023-05-26 07:35:52 PM | |
| Updated: 2023-05-26 07:36:47 PM | |
Status: Succeeded |
This a model from the article:
Theoretical and experimental evidence for hysteresis in cell proliferation.
Bai S, Goodrich D, Thron CD, Tecarro E, Obeyesekere M. Cell Cycle.
2003 Jan-Feb;2(1):46-52. 12695688
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Abstract:
We propose a mathematical model for the regulation of the G1-phase of the mammalian cell cycle taking into account interactions of cyclin D/cdk4, cyclin E/cdk2, Rb and E2F. Mathematical analysis of this model predicts that a change in the proliferative status in response to a change in concentrations of serum growth factors will exhibit the property of hysteresis: the concentration of growth factors required to induce proliferation is higher than the concentration required to maintain proliferation. We experimentally confirmed this prediction in mouse embryonic fibroblasts in vitro. In agreement with the mathematical model, this indicates that changes in proliferative mode caused by small changes in concentrations of growth factors are not easily reversible. Based on this study, we discuss the importance of proliferation hysteresis for cell cycle regulation.
Variable added: assignment rule for denoting phosphorylated Rb (Rb_phosphorylated i.e(RT-RS-R)) created.
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To cite BioModels Database, please use: Li C, Donizelli M, Rodriguez N, Dharuri H, Endler L, Chelliah V, Li L, He E, Henry A, Stefan MI, Snoep JL, Hucka M, Le Novère N, Laibe C (2010) BioModels Database: An enhanced, curated and annotated resource for published quantitative kinetic models. BMC Syst Biol., 4:92.
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