A mathematical model of intrahost pneumococcal pneumonia infection dynamics in murine strains.

A mathematical model of intrahost pneumococcal pneumonia infection dynamics in murine strains.
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DOI:
10.1016/j.jtbi.2014.02.021
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发表时间:
2014-07-21
影响因子:
2
通讯作者:
Clermont, Gilles
Clermont, Gilles
中科院分区:
生物学4区
文献类型:
--
作者:
Mochan, Ericka;Swigon, David;Ermentrout, G. Bard;Lukens, Sarah;Clermont, Gilles

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The seriousness of pneumococcal pneumonia in mouse models has been shown to depend both on bacterial serotype and murine strain. We here present a simple ordinary differential equation model of the intrahost immune response to bacterial pneumonia that is capable of capturing diverse experimentally determined responses of various murine strains. We discuss the main causes of such differences while accounting for the uncertainty in the estimation of model parameters. We model the bacterial population in both the lungs and blood, the cellular death caused by the infection, and the activation and immigration of phagocytes to the infected tissue. The ensemble model suggests that inter-strain differences in response to streptococcus pneumonia inoculation reside in the strength of nonspecific immune response and the rate of extrapulmonary phagocytosis.
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