Table 2.
Model parameters.
| Parameter | Description | Values | Units h = hours, c = cell | Reference |
|---|---|---|---|---|
| aH | Birth rate of CD4 T | 10−4 | ch−1 | [10] |
| μ H | Death rate of CD4 T | 0.005 | h−1 | [10] |
| r H | Max proliferation of CD4 T | 1 | c−1h−1 | [10] |
| K H | Carrying capacity of CD4 T | 1 | c | [10] |
| a C | Birth rate of CD8 T | 10−4 | c−1h−1 | [10] |
| μ C | Death rate of CD8 T | 0.005 | h−1 | [10] |
| r C | Max proliferation of CD8 T | 4∗10−7 | c−1h−1 | [10] |
| K C | Carrying capacity of CD8T | 1 | c | [10] |
| r T | Tumor growth rate | 0.002 | h−1 | Ad hoc value |
| a T | Maximum efficiency of cytotoxic cells | 0.1136 | h−1 | Ad hoc value |
| τ | DC arriving time delay at lymph nodes | 232 | h | Ad hoc value |
| K T | Tumor carrying capacity | 1012 | c | [6] |
| μ D | Rate death of DCs | 0.009625 | h−1 | [7] |
| r I | IL-2 production by CD4 T | 10−2 | c−1h−1 | [10] |
| μ IC | IL-2 uptake by CD8 T | 10−7 | c−1h−1 | [10] |
| μ I | IL-2 degradation rate | 10−2 | h−1 | [10] |
| e T | Michaelis constant | 50 | c−1 | [6] |
| a Tβ | Michaelis constant | 0.69 | none | [6] |
| e Tβ | Michaelis constant | 104 | pg | [6] |
| r Tβ | Production rate of TGF-β | 5.57 × 10−6 | pg(ch)−1 | [6] |
| μ β | Degradation rate of TGF-β | 6.93 | h−1 | [6] |
| a γC | Release rate per single CTL | 1.02∗10−4 | pg · c−1 · ml−1 · h−1 | [6] |
| μ γ | Degradation of Fγ | 0.102 | h−1 | [6] |
| g Ml | Receptor production | 1.44 | rec · c−1 · h−1 | [6] |
| a Mlγ | Maximal effect of IFN-c | 2.89 | rec · c−1 · h−1 | [6] |
| e Mlγ | Michaelis parameter | 3.38∗105 | pg | [6] |
| μ Ml | Degradation of MI | 0.0144 | h−1 | [6] |
| e f | Active DC percentage | 0.05 | c | [8] |