Multi-Scale, Multi-Class Agent-Based Models of Biological Systems
PublicBiological systems comprise diverse collections of cellular and non-cellular components with intricate relationships and dynamic interactions. To gain system-level understanding, we must be able to accurately model these systems, both experimentally and computationally. Agent-based models (ABMs) in particular are a uniquely intuitive, modular, and flexible framework capable of supporting multi-scale, multi-class models that capture the complexity of these biological systems. In this work, I develop and apply a unique multi-scale, multi-class ABM for gaining intuition about complex biological systems. First, I review the use of multi-scale and multi-class computational models for studying biological systems, highlighting current use cases of the ABM framework in systems medicine at both the cell-scale and the people-scale. Then, I introduce my custom ABM framework designed with a focus on extensibility and modularity. I apply a tissue cell implementation of the framework in case studies on intracellular module complexity, growth context, cell competition, and intracellular and intercellular heterogeneity. Next, I extend the framework with additional environmental components to explore the relationship between microenvironment structure, function, and emergent behavior. Finally, I conclude by discussing applications of the ABM, the utility of interactive data visualization, and the importance of an interdisciplinary approach in advancing biology.
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- http://dissertations.umi.com/northwestern:15106
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Yu_northwestern_0163D_15106.pdf | 2021-01-21 | Public |
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