Ranges for Host-specific PRCC | ||||
---|---|---|---|---|
Parameter | Unit* | Baseline Value | Min | Max |
Bacterial carrying capacity of each grid compartment | Bacteria | 115 | ||
Intracellular bacterial growth rate | h−1 | 0.027 | ||
Extracellular bacterial growth rate | h−1 | 0.015 | ||
Rate of death of bacteria trapped in caseated compartments | h−1 | 5.1 | ||
Number of host cell deaths causing caseation | 9 | 7 | 11 | |
Time to heal caseation | Days | 10 | 8 | 12 |
TNF threshold for causing apoptosis | Molecules | 1150 | 920 | 1380 |
Rate of TNF induced apoptosis | s−1 | 1.7×10-6 | 1.3×10-6 | 2.04×10-6 |
Minimum chemokine concentration allowing chemotaxis | Molecules | 0.47 | 0.4 | 0.6 |
Maximum chemokine concentration allowing chemotaxis | Molecules | 480 | 380 | 570 |
Initial macrophage density | Fraction of grid comp. | 0.04 | 0.03 | 0.05 |
Time steps before a resting macrophage can move | Timesteps | 3 | 2.4 | 3.6 |
Time steps before an activated macrophage can move | Timesteps | 19 | 15 | 23 |
Time steps before an infected macrophage can move | Timesteps | 170 | 135 | 200 |
TNF threshold for activating NFkB | Molecules | 75 | 60 | 90 |
Rate of TNF induced NFkB activation | s−1 | 1.06×10-5 | 8.5×10-6 | 1.3×10-5 |
Number of bacteria resting macrophage can phagocytose | Bacteria | 1 | ||
Probability of resting macrophage killing bacteria | 0.12 | 0.1 | 0.15 | |
Adjustment for killing probability of resting macrophages with NFkB activated | 0.2 | 0.15 | 0.25 | |
Number of extracellular bacteria that can activate NFkB | Bacteria | 250 | 200 | 300 |
Threshold for intracellular bacteria causing chronically infected macrophages | Bacteria | 12 | 10 | 15 |
Threshold for intracellular bacteria causing macrophage to burst | Bacteria | 23 | 18 | 30 |
Number of bacteria activated macrophage can phagocytose | Bacteria | 5 | 4 | 6 |
Probability of an activated macrophage healing a caseated compartment in its Moore neighborhood | 0.0055 | 0.0044 | 0.0066 | |
Probability of a T-cell moving to the same compartment as a macrophage | 0.046 | 0.035 | 0.055 | |
IFN γ-producing T-cell probability of inducing Fas/FasL mediated apoptosis | 0.035 | 0.03 | 0.04 | |
IFN γ-producing T-cell probability of producing TNF | 0.045 | 0.04 | 0.05 | |
IFN γ-producing T-cell probability of producing IFN | 0.35 | 0.3 | 0.45 | |
Cytotoxic T-cell probability of killing a macrophage | 0.009 | 0.007 | 0.010 | |
Cytotoxic T-cell probability of killing a macrophage and all of its intracellular bacteria | 0.7 | 0.6 | 0.9 | |
Cytotoxic T-cell probability of producing TNF | 0.05 | 0.04 | 0.06 | |
Regulatory T-cell probability of deactivating activated macrophage | 0.008 | 0.006 | 0.01 | |
Time before maximum recruitment rates are reached | Timesteps | 980 | 790 | 1180 |
Macrophage maximal recruitment probability | 0.32 | 0.25 | 0.4 | |
Macrophage chemokine recruitment threshold | Molecules | 0.86 | 0.7 | 1 |
Macrophage TNF recruitment threshold | Molecules | 0.011 | 0.009 | 0.015 |
Macrophage half sat for TNF recruitment | Molecules | 1.6 | 1.3 | 2 |
Macrophage half sat for chemokine recruitment | Molecules | 2.2 | 1.8 | 2.6 |
IFN γ-producing T-cell maximal recruitment probability | 0.15 | 0.12 | 0.18 | |
IFN γ-producing T-cell chemokine recruitment threshold | Molecules | 0.07 | 0.06 | 0.09 |
IFN γ-producing T-cell TNF recruitment threshold | Molecules | 1.3 | 1 | 1.6 |
IFN γ-producing T-cell half sat for TNF recruitment | Molecules | 1.3 | 1 | 1.6 |
IFN γ-producing T-cell half sat for chemokine recruitment | Molecules | 2 | 1.5 | 2.5 |
Cytotoxic T-cell maximal recruitment probability | 0.12 | 0.1 | 0.15 | |
Cytotoxic T-cell chemokine recruitment threshold | Molecules | 4.5 | 3.6 | 5.4 |
Cytotoxic T-cell TNF recruitment threshold | Molecules | 1.3 | 1 | 1.5 |
Cytotoxic T-cell half sat for TNF recruitment | Molecules | 1.2 | 1 | 1.5 |
Cytotoxic T-cell half sat for chemokine recruitment | Molecules | 9 | 7 | 10 |
Regulatory T-cell maximal recruitment probability | 0.03 | 0.02 | 0.04 | |
Regulatory T-cell chemokine recruitment threshold | Molecules | 2 | 1.5 | 2.5 |
Regulatory T-cell TNF recruitment threshold | Molecules | 1.7 | 1.3 | 2 |
Regulatory T-cell half sat for TNF recruitment | Molecules | 2.2 | 1.8 | 2.7 |
Regulatory T-cell half sat for chemokine recruitment | Molecules | 1.5 | 1.2 | 1.8 |
Conversion factor: 10 min/timestep.