MAP2K7 and cancer: System states are depicted in black bold capital font (Figure 2) and reflect the nonlinear dynamic behavior of (i) uninfected cancer cell density, C [cells/cm2], (ii) MEK-inhibition induced G1-phase arrest cell density, CG1 [cells/cm2], (iii) untreated and infected cell density, IC [cells/cm2], and (iv) MEK-inhibitor treated and infected cell density, ICT [cells/cm2], where P reflects the total cancer cell population [cells/cm2].