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Published on: February 25, 2020
A mathematical model for the immunosenescence
F Luciani1, G Turchetti, C Franceschi
1Dipartimento di Fisica, Università di Bologna, Via Irnerio 46, 40126 Bologna.
Abstract:
We propose a model for the dynamics of the immune system by considering the subpopulations of virgin and memory T lymphocytes on a time scale corresponding to the human life span. In the deterministic balance equation we introduce a fluctuating term in order to take into account the chronic antigenic stress. Starting from the hypothesis that the depletion of virgin cells with cytotoxic properties (CD8+) is a mortality marker, the model provides survival curves quite similar to the demographic curves.
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