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Journal Articles Stochastic Processes and their Applications Year : 2023

Spread of parasites affecting death and division rates in a cell population

Abstract

We introduce a general class of branching Markov processes for the modelling of a parasite infection in a cell population. Each cell contains a quantity of parasites which evolves as a diffusion with positive jumps. The drift, diffusive function and positive jump rate of this quantity of parasites depend on its current value. The division rate of the cells also depends on the quantity of parasites they contain. At division, a cell gives birth to two daughter cells and shares its parasites between them. Cells may also die, at a rate which may depend on the quantity of parasites they contain. We study the long-time behaviour of the parasite infection.
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Dates and versions

hal-03854347 , version 1 (15-11-2022)
hal-03854347 , version 2 (24-03-2023)
hal-03854347 , version 3 (30-08-2023)

Licence

Attribution - NonCommercial - NoDerivatives

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Aline Marguet, Charline Smadi. Spread of parasites affecting death and division rates in a cell population. Stochastic Processes and their Applications, 2023, 168, pp.1-31. ⟨10.1016/j.spa.2023.104262⟩. ⟨hal-03854347v3⟩
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