Slow Ca²⁺ oscillations in striatal cells.

<p>A, Fluorescence image of a striatal slice from a GFAP-GFP mouse. This image is an artificially colored merged fluorescence image of Fura-2 LR (red) and GFP (green). Cells 1–3 are putative-neurons because they are GFP-negative, and cells 4–6 are astrocytes because they are GFP-positive. Scale bar, 100 µm. B, Time courses of the slow Ca²⁺ oscillations. Cell numbers correspond to the region numbers in A. Scale bar, 200 s, ΔR = 0.02. C, Comparison of the transient rate of the slow Ca²⁺ oscillations between putative-neurons and astrocytes. The number of cells recorded is 200 putative-neurons and 78 astrocytes. N. S.: no significant difference.