0 -> x_PCC
x_PCC -> 0
0 -> y_PSC
y_PSC -> 0
0 -> z_Effector_Cells
z_Effector_Cells -> 0
0 -> z_Effector_Cells
0 -> w_TPC
w_TPC -> 0
0 -> w_TPC
0 -> v_TSC
v_TSC -> 0
R_siRNA -> 0
0 -> R_siRNA