Mathematical and Numerical Modelling of Interference of Immune Cells in the Tumour Environment

Sweta Sinha, Paramjeet Singh, Mehmet Emir Koksal and Fahad Al Basir

Discrete Dynamics in Nature and Society, 2022, vol. 2022, 1-18

Abstract: In this article, the behaviour of tumour growth and its interaction with the immune system have been studied using a mathematical model in the form of partial differential equations. However, the development of tumours and how they interact with the immune system make up an extremely complex and little-understood system. A new mathematical model has been proposed to gain insight into the role of immune response in the tumour microenvironment when no treatment is applied. The resulting model is a set of partial differential equations made up of four variables: the population density of tumour cells, two different types of immune cells (CD4+ helper T cells and CD8+ cytotoxic T cells), and nutrition content. Such kinds of systems also occur frequently in science and engineering. The interaction of tumour and immune cells is exemplified by predator-prey models in ecology, in which tumour cells act as prey and immune cells act as predators. The tumour-immune cell interaction is expressed via Holling’s Type-III and Beddington-DeAngelis functional responses. The combination of finite volume and finite element method is used to approximate the system numerically because these approximations are more suitable for time-dependent systems having diffusion. Finally, numerical simulations show that the methods perform well and depict the behaviour of the model.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:9006678

DOI: 10.1155/2022/9006678

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