4.6 Article

Neural-Network-Based Immune Optimization Regulation Using Adaptive Dynamic Programming

Journal

IEEE TRANSACTIONS ON CYBERNETICS
Volume 53, Issue 3, Pages 1944-1953

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2022.3179302

Keywords

Immune system; Tumors; Chemotherapy; Drugs; Mathematical models; Medical treatment; Regulation; Adaptive dynamic programming (ADP); chemotherapy and immunotherapy; neural networks; optimal regulation; tumor and immune cells

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This article investigates the optimal regulation scheme between tumor and immune cells using the adaptive dynamic programming approach. The study focuses on inhibiting tumor cell growth to an acceptable level of injury while maximizing the number of immune cells. The results show that the approach effectively weakens the negative effects of chemotherapy and immunotherapy, ensuring stable system states with the appropriate optimization control strategy.
This article investigates optimal regulation scheme between tumor and immune cells based on the adaptive dynamic programming (ADP) approach. The therapeutic goal is to inhibit the growth of tumor cells to allowable injury degree and maximize the number of immune cells in the meantime. The reliable controller is derived through the ADP approach to make the number of cells achieve the specific ideal states. First, the main objective is to weaken the negative effect caused by chemotherapy and immunotherapy, which means that the minimal dose of chemotherapeutic and immunotherapeutic drugs can be operational in the treatment process. Second, according to the nonlinear dynamical mathematical model of tumor cells, chemotherapy and immunotherapeutic drugs can act as powerful regulatory measures, which is a closed-loop control behavior. Finally, states of the system and critic weight errors are proved to be ultimately uniformly bounded with the appropriate optimization control strategy and the simulation results are shown to demonstrate the effectiveness of the cybernetics methodology.

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