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. 2016 Oct 12;6:35201. doi: 10.1038/srep35201

Figure 2.

Figure 2

(a) The steady-state relative concentrations of mRNA (m) and protein (p) as a function of V. (b) The normalised outward conductance Inline graphic resulting from the values of p as a function of V. (c) The cell potential V obtained by solving the bioelectrical equation of Fig. 1 as a function of the equilibrium potential Ein parametrically in the outward to inward conductance ratio Inline graphic. The cases of positive (continuous curves) and negative (dashed curves) regulation are considered. For particular values of Ein and Inline graphic, the cell potential enters into a bistability region where three (polarised, unstable, and depolarised) values for V are possible. The vertical arrows show these potentials for the reference case Inline graphic considered here.