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Figure 1


Fig. 1. Comparison of 1 µmol l–1 dopamine (DA)-induced effects in duct cells of the two types of preparation: lobes and isolated ducts. Changes in intracellular pH (pHi) in duct cells as measured with BCECF in lobes (A) and isolated ducts (B). Simultaneous measurement of [Ca2+]i and [Na+]i changes in duct cells of lobes (C) and isolated ducts (D). The SBFI ratio (solid line) indicates changes in [Na+]i, whereas the Fluo-3 fluorescence (dashed line) indicates changes in [Ca2+]i (a.u., arbitrary units). These original recordings are representative of at least five independent experiments.