TABLE IV.
Symbol | Parameter | Value | |
---|---|---|---|
Birth/death | |||
µE | Turnover time of epithelial cells | 12hrs [40] | |
µT | Time a T cell remains active | 5days [47] | |
µM0 | Time a macrophage remains active | 75 days | |
µd | Time a dendritic cell remains active | 1 day [43] | |
µdL | Time a sDC remains active | 1 day [43] | |
µce | Probability that pEcell is killed by Inflammatory factors |
||
pT | Average number of daughter cells produced by a proliferating T cell |
500 [49] | |
pTr | Average number of daughter cells produced by a proliferating nTreg |
0 | |
Migration | |||
∈r | Average number of monocytes recruited by a single eDC, Ml, or pEcell |
10 | |
∈t | Average number of resting T cells recruited by a single eDC, Ml, or pEcell |
10 | |
βP | Probability that bacteria will enter the lumen upon contact with a pEcell |
1 | |
Contact/interactions | |||
αT | Probability of memory T cell stimulation | 1 | |
αTr | Probability of memory nTreg stimulation | 1 | |
νT | fraction of active T cells that become memory T cells |
0.1 [50] | |
ν 12 | Probability that M1 switches to M 2 | ||
ν21 | Probability that M2 switches to M1 | ||
a 1 | co-efficient of ν 12 for activators | 1 | |
i 1 | co-efficient of ν 12 for inhibitors | 1 | |
Y 1 | exponent of ν 12 | 4 | |
a 2 | co-efficient of ν 21 for activators | 1 | |
i 2 | co-efficient of ν 21 for inhibitors | 4 | |
y 2 | exponent of ν 21 | ||
υνBM | probability that microfloral bacteria induces inflammatory phenotype in macrophages |
0 | |
νBD | probability that microfloral bacteria induces inflammatory phenotype in dendritic cells |
0 | |
νBs | probability that microfloral bacteria induces inflammatory phenotype in ‘sampling’ dendritic cells |
0 | |
νEC | Probability that EC transitions to pEcell
upon contact with inflammatory factors |
0.05 | |
νEB | Probability that EC is damaged by microbial toxins |
1 [51] |