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. 2019 Mar 27;12(3):227–254. doi: 10.1007/s12195-019-00569-0

Table 1.

Model parameters (dimensional) in the model (2) with relevant reference values.

Parameters Description Dimensional value
Reference variables
 T Time 104 s
 L Length 10-2 m
 u Velocity 10-6 m/s
 D Diffusion 10-8 m2/s
 ρc Tumor cell density 100 kg/m3
 ρw Fluid density 1000 kg/m3
 ρ ECM density 1 kg/m3
 G MDE 10-4 kg/m3
 C CCL21 10-4 kg/m3
 P Pressure 104 Pa
Diffusion coefficients
 DG MDE 8×10-12 m2/s
 DC CCL21 3.5×10-14 m2/s
Parameters of Λ
 ξ1 Parameter characterizing Λ (dependence on C) 4×104 m3/kg
 Λ0,Λ1 Parameter characterizing Λ 0, 37500 Pa
Production/decay rates
 λ11 Proliferation of tumor cells 1.875×10-5 1/s
 λ12 Decay of tumor cells 2.5×10-5 1/s
 λ13 Decay of tumor cells 1.25×10-5 1/s
 λ21 Degradation of ECM 10 m3/kg s
 λ22 Release/reconstruction of ECM 1.25×10-3 1/s
 λ23 Release/reconstruction of ECM 0 1/s
 λ24 Release/reconstruction of ECM 1.25×10-3 1/s
 λ31 Natural decay of MDE 2.5×10-3 1/s
 λ32 Production by cells of MDE 2×10-2 kg/m3s
 λ33 Logistic term constant MDE 2×10-2 1/s
 νG Related to logisitic function 1
 λ41 Proteolytically freed CCL21 3.2×10-3 m3/kg s
 λ42 Logistic term constant CCL21 1.44×10-4 m3/kg s
 λ43 Logistic term constant CCL21 3.2×10-3 m3/kg s
 λ44 Cell consumption CCL21 1×10-9 kg/m3s
 νC Related to logistic function 0.2