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Open Access Research

Cancer dynamics for identical twin brothers

Ali Ghaffari1 and Mostafa Khazaee2*

Author Affiliations

1 Department of Mechanical Engineering, K.N. Toosi University of Technology, Pardis Street, Vanak Square, P.O. Box 19395-1999, Tehran, Iran

2 Mechanical Engineering Department, Iran University of Science and Technology, Narmak, Tehran, 16846, Iran

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Theoretical Biology and Medical Modelling 2012, 9:4  doi:10.1186/1742-4682-9-4

Published: 6 February 2012

Abstract

In this paper, a new mathematical model is developed to represent the interaction between healthy and cancer cells in the human body, focusing on the role of environmental factors and quality of life in the progression of cancer. We have investigated the dynamic effects of inputs on cancer growth, and provide an explanation of how cancer has variable behavior patterns throughout the lives of different patients. The behavior of the system with input and its trajectory patterns are investigated using trajectory patterns and stability analysis. The analysis suggests that a proper treatment method should change the dynamics of the cancer instead of only reducing the population of cancer cells and treatment burden.