From: Modeling lymphocyte homing and encounters in lymph nodes
PARAMETER | SYMBOL | MEANING | RANGE | VALUE (UNITS) | REF. |
---|---|---|---|---|---|
KNOWN VALUES | |||||
DupStepB | d B | B's duplication steps | N | 4 | [34] |
DupStepTH | d TH | TH's duplication steps | N | 4 | [34] |
VelocityB | v B | B cells' velocity | R | 6 μ m/min | |
VelocityTH | v TH | TH's velocity | R | 11 μ m/min | |
VelocityDC | v DC | DCs' velocity | R | 3 μ m/min | [25] |
DiffCoeff | D | chemokines' diffusion coeff. | R | 3·103 μ m2/min | |
HalfLife | λ | chemokines' half life | R | 3 hrs | |
NInitial [B] | B(0) | B's initials per μ l | N | 105 (cells/μ l) | |
NInitial [TH] | TH(0) | TH's initials per μ l | N | 2·105 (cells/μ l) | |
NInitial [DC] | DC(0) | DC's initials per μ l | N | 103 (cells/μ l) | |
NCELLS_B_ENTRY | f B | incoming flux of TH cells | N | 31 cells/min | [5] |
NCELLS_TH_ENTRY | f TH | incoming flux of TH cells | N | 190 cells/min | [5] |
ARBITRARY PARAMETERS | |||||
NBITSTR | l | bit-string length | N | 22 (*) | - |
pDCAg | p DC | DC affinity to Ag (prob) | [0, 1] | 0.04 | - |
nHEV | n HEV | numbers of HEV per μ l | N | 4 (μ l-1) | [30] |
pExit | p Exit | exit prob for cells | [0, 1] | 0.44 | - |
ChemQty | q | released chemokines qty | R | 108 mol (min src)-1 | [35] |
INITIAL CONDITIONS | |||||
microL | mL | volume | N | 10 (μ l) | - |
deltaT | Δt | time resolution | R | 30 (min) | - |
nSteps | T | time steps of the simulation | N | 500 (steps) | - |
AgInjFreq | f Ag | injection freq. of soluble Ags | N | 4 (day-1) | - |
AgInjQty | n Ag | soluble Ags per injection | N | 100 | - |