Table I. Parameters varied for Latin hypercube sampling.
Parameter | Description1 | Default | Range | Distribution | Varied in focused analysis? |
---|---|---|---|---|---|
αBi | Intracellular Mtb growth rate (per 10 minutes) | 0.0015 | [0.0002, 0.002] | Uniform | No |
αBe | Extracellular Mtb growth rate (per 10 minutes) | 0.0007 | [0.00015, 0.015] | Log-Uniform | No |
pk | Probability of Mr killing bacteria | 0.0187 | [0.01, 0.1] | Uniform | No |
Tactm | Probability of Mi activation by Tγ | 0.03 | [0.0001, 0.1] | Log-Uniform | No |
Mrecr | Probability of macrophage recruitment | 0.04 | [0.01, 0.1] | Uniform | No |
Trecr | Probability of T cell recruitment | 0.09 | [0.01, 0.1] | Uniform | No |
Tmove | Prob of a T cell moving onto an occupied micro-compartment | 0.02 | [0.00001, 0.1] | Log-Uniform | No |
Trrecr | Proportion of Treg cells out of all T cells recruited | 0.1 | [0.01, 0.2] | Uniform | No |
λc | Chemokine diffusion rate (cm2 per 0.1 minutes) | 6.27×10−7 | [1,7]×10−7 | Uniform | No |
δc | Chemokine degradation rate (per 0.1 minutes) | 0.000916 | [0.0005, 0.0015] | Uniform | No |
rT | Combined TNF/chemokine threshold for T cell recruitment at a vascular source2 | 1,767 | [0.1,10]×l04 | Log-Uniform | No |
rM | Combined TNF/chemokine threshold for Mr recruitment at a vascular source2 | 6,507 | [0.1,10]×l04 | Log-Uniform | No |
sc5 | CCL5 production rate (molecules per 10 minutes) | 3.55×106 | [1,10]×106 | Uniform | No |
s5m | Macrophage CCL5 saturation threshold (molecules) | 5.79×106 | [1,100]×l06 | Log-Uniform | No |
τ5m | Macrophage CCL5 threshold (molecules) | 2×l04 | [1,100]×104 | Log-Uniform | No |
λTNF | TNF diffusion rate (cm2 per 0.1 minutes) | 6.56×10−7 | [1,7]×10−7 | Uniform | Yes |
δTNF | TNF degradation rate (per 0.1 minutes) | 0.0005 | [0.0001, 0.001] | Uniform | Yes |
sTNF | TNF production rate (molecules per 10 minutes) | 1.80×105 | [1,100]×l04 | Log-Uniform | Yes |
papopt | Probability of TNF-induced apopt per 10 minute interval | 0.04 | [0.001, 0.2] | Uniform | Yes |
τTNF3 | Macrophage TNF detection threshold (molecules) | 10×105 | [1,15]×105 | Uniform | Yes |
rMTNF | Effect of TNF on Mr recruitment2 | 676 | [10,1000] | Log-Uniform | Yes |
All probabilities are per 10 minute interval.
Non-dimensional; c.f. II.3.iv-v. of the Agent-Based Model Rules (Supplement 1).
τTNF was divided into separate thresholds for activation (τTNFact) and apoptosis (τTNFapopt) in the focused analysis.