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. 2013 Jul 25;8(7):e69598. doi: 10.1371/journal.pone.0069598

Figure 6. Effect of CPA on Inline graphic dynamics.

Figure 6

(A) Fluorescence imaging of Inline graphic in ASMC of a mouse lung slice treated with agonist and CPA. Agonist removal leads to Inline graphic decrease. (B–D) Model simulations of the experiments shown in (A), assuming that (B) CPA quickly blocks the SERCA, (C) CPA slowly blocks the SERCA, (D) CPA partially blocks the SERCA but reaches maximum strength rather quickly. Black solid and dashed curves (left y-axis) represent respectively Inline graphic and Inline graphic; blue and red curves (right y-axis) show respectively the fraction of open SOCC and the fraction of operating SERCA (that is, Inline graphic, where Inline graphic is given by Eq. (0c)).