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Fig. 6. (A,B) Time course of the relative fluorescence intensities (unbroken line,
cytosol; broken line, nucleus) of the Ca2+ indicators in two single
HaCaT cells after stimulation with CRF (A, 10-7 M) and URC (B,
10-7 M). (C) Dose-dependent frequency of the oscillations in
HaCaT-cells after stimulation with URC (mean and s.d.). Number of cells
recorded (n) is shown in the respective columns. (D) Dose-dependent
numbers of HaCaT cells with oscillations after stimulation with URC
(percentage of total number of cells recorded). Number of cells recorded with
oscillations (n) is shown in the respective columns.